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Google Keyword Rankings for : explain why thermoplastics flow at higher temperatures
1
Thermoplastics vs. Thermosetting Polymers - Matmatch
https://matmatch.com/learn/material/thermoplastics-vs-thermosetting-polymers
A thermoplastic is a resin that is solid at room temperature but becomes plastic and soft upon heating, flowing due to crystal melting or by virtue of ...
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https://matmatch.com/learn/material/thermoplastics-vs-thermosetting-polymers
A thermoplastic is a resin that is solid at room temperature but becomes plastic and soft upon heating, flowing due to crystal melting or by virtue of ...
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2
Thermoplastics - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/chemical-engineering/thermoplastics
Thermoplastic matrices are defined by their ability to soften, melt when heated and reform. They are processed through heating and melting in virgin and ...
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https://www.sciencedirect.com/topics/chemical-engineering/thermoplastics
Thermoplastic matrices are defined by their ability to soften, melt when heated and reform. They are processed through heating and melting in virgin and ...
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3
Melt Processing of Thermoplastics - AZoM
https://www.azom.com/article.aspx?ArticleID=17480
The processing temperatures used for thermoplastics are often limited to moderately low values because of the thermal stability issues.
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https://www.azom.com/article.aspx?ArticleID=17480
The processing temperatures used for thermoplastics are often limited to moderately low values because of the thermal stability issues.
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4
The Melt State The concept of melting temperature ... - TutorBin
https://tutorbin.com/questions-and-answers/the-melt-state-the-concept-of-melting-temperature-for-thermoplastic-po
In the melt state, most thermoplastics are quite viscous (even more viscous than heavy molasses). As a consequence, these molding processes typically require ...
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https://tutorbin.com/questions-and-answers/the-melt-state-the-concept-of-melting-temperature-for-thermoplastic-po
In the melt state, most thermoplastics are quite viscous (even more viscous than heavy molasses). As a consequence, these molding processes typically require ...
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5
Melt-Flow Behaviours of Thermoplastic Materials under Fire ...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5458815/
Thermoplastic polymers often will soften and flow when they are heated to temperatures exceeding their glass transition temperature, ...
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5458815/
Thermoplastic polymers often will soften and flow when they are heated to temperatures exceeding their glass transition temperature, ...
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6
Thermoplastics for AM: Semi-Crystalline vs Amorphous - Aniwaa
https://www.aniwaa.com/insight/am-materials/am-thermoplastics-semi-crystalline-vs-amorphous/
Unlike thermosets, thermoplastics won't change their chemical composition as temperatures vary; they only change how their particles flow and ...
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https://www.aniwaa.com/insight/am-materials/am-thermoplastics-semi-crystalline-vs-amorphous/
Unlike thermosets, thermoplastics won't change their chemical composition as temperatures vary; they only change how their particles flow and ...
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7
Understanding Rheology of Thermoplastic Polymers
https://www.tainstruments.com/pdf/literature/AAN013_V_1_U_Thermoplast.pdf
extrusion and injection molding typically involve high shear rates, finished part quality is ... polymers' flow behavior at temperatures above the glass.
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https://www.tainstruments.com/pdf/literature/AAN013_V_1_U_Thermoplast.pdf
extrusion and injection molding typically involve high shear rates, finished part quality is ... polymers' flow behavior at temperatures above the glass.
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8
Structure of Thermoset Plastics vs Thermoplastics
https://www.mnrubber.com/tools-resources/design-guide/plastic-thermoplastic-elastomer-materials/thermoset-plastics-vs-thermoplastics/
Generally require higher temperatures to flow well when compared to Amorphous. Reinforcement with fibers increases the load-bearing capabilities ...
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https://www.mnrubber.com/tools-resources/design-guide/plastic-thermoplastic-elastomer-materials/thermoset-plastics-vs-thermoplastics/
Generally require higher temperatures to flow well when compared to Amorphous. Reinforcement with fibers increases the load-bearing capabilities ...
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9
What's the Difference Between Thermoplastics and Thermosets?
https://www.cdiproducts.com/blog/whats-the-difference-between-thermoplastics-and-thermosets
Since thermoplastics maintain their physical and chemical properties at higher temperatures, they also offer enhanced mechanical properties and ...
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https://www.cdiproducts.com/blog/whats-the-difference-between-thermoplastics-and-thermosets
Since thermoplastics maintain their physical and chemical properties at higher temperatures, they also offer enhanced mechanical properties and ...
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10
High-Temperature Properties and Applications of Polymeric
https://pubs.acs.org/doi/pdf/10.1021/bk-1995-0603.ch001
Heat transfer within a thermally decomposing polymer also occurs by convection or flow of decomposition gases within the material. Though radiant heat transfer ...
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https://pubs.acs.org/doi/pdf/10.1021/bk-1995-0603.ch001
Heat transfer within a thermally decomposing polymer also occurs by convection or flow of decomposition gases within the material. Though radiant heat transfer ...
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11
The importance of temperature control when working with ...
https://ipeweb.com/thermoplastic-extrusion/the-importance-of-temperature-control-when-working-with-thermoplastics/
Thermoplastic materials can withstand very high temperatures so the heat required for melt processing must be even higher. Unlike thermosets, ...
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https://ipeweb.com/thermoplastic-extrusion/the-importance-of-temperature-control-when-working-with-thermoplastics/
Thermoplastic materials can withstand very high temperatures so the heat required for melt processing must be even higher. Unlike thermosets, ...
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12
Glass Transition - Polymer Science Learning Center
https://pslc.ws/macrog/tg.htm
The temperature rising stops because melting requires energy. All the energy you add to a crystalline polymer at its melting point goes into melting, and none ...
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https://pslc.ws/macrog/tg.htm
The temperature rising stops because melting requires energy. All the energy you add to a crystalline polymer at its melting point goes into melting, and none ...
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13
Glass Transition Temperature (Tg) of Plastics - Omnexus
https://omnexus.specialchem.com/polymer-properties/properties/glass-transition-temperature
It is also defined as a temperature at which amorphous polymer takes on characteristic glassy-state properties like brittleness, stiffness and rigidity (upon ...
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https://omnexus.specialchem.com/polymer-properties/properties/glass-transition-temperature
It is also defined as a temperature at which amorphous polymer takes on characteristic glassy-state properties like brittleness, stiffness and rigidity (upon ...
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14
Materials and their Flow Properties - Dynisco
https://www.dynisco.com/userfiles/files/Materials_and_Flow_Properties.pdf
temperature and is distinguished from a rubber/elastomer by having a higher stiffness/modulus and a lack of reversible elasticity. A thermoplastic is a ...
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https://www.dynisco.com/userfiles/files/Materials_and_Flow_Properties.pdf
temperature and is distinguished from a rubber/elastomer by having a higher stiffness/modulus and a lack of reversible elasticity. A thermoplastic is a ...
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15
Thermal phase transitions of polymers - A102
https://compositeskn.org/KPC/A102
When temperature is raised, they physically transition from solid-like glassy-to-rubbery, and in the case of thermoplastics from rubbery-to- ...
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https://compositeskn.org/KPC/A102
When temperature is raised, they physically transition from solid-like glassy-to-rubbery, and in the case of thermoplastics from rubbery-to- ...
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16
Physical, Thermal, and Mechanical Properties of Polymers
https://onlinelibrary.wiley.com/doi/pdf/10.1002/9781118950623.app1
(DP)-n in a polymer molecule is defined as the number of repeating units in the polymer ... of the chain, leading to higher glass transition temperature.
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https://onlinelibrary.wiley.com/doi/pdf/10.1002/9781118950623.app1
(DP)-n in a polymer molecule is defined as the number of repeating units in the polymer ... of the chain, leading to higher glass transition temperature.
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17
Performance of High Temperature Plastics
http://www.appstate.edu/~clementsjs/polymerproperties/plastics_high_temp
The physical 'softening point' of a plastic is defined largely by the type of plastic being used. For amorphous polymers (such as Ultem®, PMMA or PS) the ...
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http://www.appstate.edu/~clementsjs/polymerproperties/plastics_high_temp
The physical 'softening point' of a plastic is defined largely by the type of plastic being used. For amorphous polymers (such as Ultem®, PMMA or PS) the ...
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18
Aspects of the Fire Behavior of Thermoplastic Materials
https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916721
one needs to describe the polymer flow is its melt viscosity. The problem is still complex. At these high temperatures the polymer is degrading and.
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https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916721
one needs to describe the polymer flow is its melt viscosity. The problem is still complex. At these high temperatures the polymer is degrading and.
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19
Thermoplastics & Thermosets: Why They Work Together
https://www.simtec-silicone.com/blogs/thermoplastics-and-thermosetting-plastics-why-they-work-together/
Thermoplastic Materials Properties. Thermoplastic begins in pellet form, which becomes pliable when processed with heat above its melting point. As the heat ...
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https://www.simtec-silicone.com/blogs/thermoplastics-and-thermosetting-plastics-why-they-work-together/
Thermoplastic Materials Properties. Thermoplastic begins in pellet form, which becomes pliable when processed with heat above its melting point. As the heat ...
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20
CH 7 Flashcards - Quizlet
https://quizlet.com/110594509/ch-7-flash-cards/
o A plasticizer may be added to a polymer in order to induce higher flexibility and softness. It does this by reducing the glass transition temperature of the ...
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https://quizlet.com/110594509/ch-7-flash-cards/
o A plasticizer may be added to a polymer in order to induce higher flexibility and softness. It does this by reducing the glass transition temperature of the ...
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21
Viscosity Model for Thermoplastic - Moldex3D Help
http://support.moldex3d.com/r16/en/standardinjectionmolding_material_materialmodels_viscositymodelforthermoplastic.html
With a given chemical structure and formulation, viscosity of thermoplastics depends on temperature, shear rate and pressure. To understand the viscosity nature ...
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http://support.moldex3d.com/r16/en/standardinjectionmolding_material_materialmodels_viscositymodelforthermoplastic.html
With a given chemical structure and formulation, viscosity of thermoplastics depends on temperature, shear rate and pressure. To understand the viscosity nature ...
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22
Glass Transition Temperature (Tg) of Polymers - Protolabs
https://www.protolabs.com/resources/design-tips/glass-transition-temperature-of-polymers/
They typically have better dimensional stability and are less likely to warp during the molding process. They're generally resistant to hot water and steam ( ...
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https://www.protolabs.com/resources/design-tips/glass-transition-temperature-of-polymers/
They typically have better dimensional stability and are less likely to warp during the molding process. They're generally resistant to hot water and steam ( ...
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23
How Do Polymers Actually Behave At High Temperatures?
https://www.plunkettassociates.co.uk/faqs/additive-manufacturing/how-do-polymers-actually-behave-at-high-temperatures.php
Melt temperature is fairly self evident, the temperature at which a thermoplastic changes from a solid to a liquid state. In all case, thermosetting plastics ...
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https://www.plunkettassociates.co.uk/faqs/additive-manufacturing/how-do-polymers-actually-behave-at-high-temperatures.php
Melt temperature is fairly self evident, the temperature at which a thermoplastic changes from a solid to a liquid state. In all case, thermosetting plastics ...
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24
Injection Molding: Thermoplastics vs. Thermosetting Plastics
https://www.upminc.com/thermoset-vs-thermoplastic/
Once thermoset plastics have been hardened, they become more resistant to high temperatures than thermoplastics. They cannot be melted down again to form a ...
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https://www.upminc.com/thermoset-vs-thermoplastic/
Once thermoset plastics have been hardened, they become more resistant to high temperatures than thermoplastics. They cannot be melted down again to form a ...
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25
Stress-Strain Behavior of Polymers - polymerdatabase.com
https://polymerdatabase.com/polymer%20physics/Stress-Strain%20Behavior.html
When the temperature exceeds the glass transition temperature, the plastic material abruptly changes its mechanical behavior. In this region, the ultimate ...
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https://polymerdatabase.com/polymer%20physics/Stress-Strain%20Behavior.html
When the temperature exceeds the glass transition temperature, the plastic material abruptly changes its mechanical behavior. In this region, the ultimate ...
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26
Two-step heat fusion kinetics and mechanical performance of ...
https://www.nature.com/articles/s41598-022-09573-3
Thermoplastic polymers and composites are ubiquitous in the industry for their reshaping and fusing capabilities at elevated temperatures.
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https://www.nature.com/articles/s41598-022-09573-3
Thermoplastic polymers and composites are ubiquitous in the industry for their reshaping and fusing capabilities at elevated temperatures.
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27
Benefits of Long Fiber Reinforced Thermoplastic Composites
https://www.plasticomp.com/long-fiber-benefits/
Stiffness gains through fiber reinforcement also translate into increased performance at elevated temperatures. Heat deflection temperatures (HDT), ...
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https://www.plasticomp.com/long-fiber-benefits/
Stiffness gains through fiber reinforcement also translate into increased performance at elevated temperatures. Heat deflection temperatures (HDT), ...
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28
Investigation of Polymers with Differential Scanning ...
https://polymerscience.physik.hu-berlin.de/docs/manuals/DSC.pdf
Figure 1: Example plot of heat flow versus temperature for a material that does ... The heat capacity Cp of polymers is usually higher ... The Tm is defined.
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https://polymerscience.physik.hu-berlin.de/docs/manuals/DSC.pdf
Figure 1: Example plot of heat flow versus temperature for a material that does ... The heat capacity Cp of polymers is usually higher ... The Tm is defined.
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29
The fundamentals of shrinkage in thermoplastics
https://solutions.covestro.com/-/media/covestro/solution-center/whitepapers/the-fundamentals-of-shrinkage-in-thermoplastics.pdf
end of the flow path ... This makes it possible to explain the dependence of shrink- ... surface temperatures), the higher the degree of crystalliza-.
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https://solutions.covestro.com/-/media/covestro/solution-center/whitepapers/the-fundamentals-of-shrinkage-in-thermoplastics.pdf
end of the flow path ... This makes it possible to explain the dependence of shrink- ... surface temperatures), the higher the degree of crystalliza-.
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30
The effect of thermoplastic melt flow behaviour on the ... - HSE
https://www.hse.gov.uk/research/misc/sherratsum.pdf
smaller volatile species. Due to the structural difference, this occurs at higher temperatures for thermosets than thermoplastics. The actual combustion of.
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https://www.hse.gov.uk/research/misc/sherratsum.pdf
smaller volatile species. Due to the structural difference, this occurs at higher temperatures for thermosets than thermoplastics. The actual combustion of.
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31
TRACE: Tennessee Research and Creative Exchange
https://trace.tennessee.edu/cgi/viewcontent.cgi?article=6775&context=utk_graddiss
Melt Processability and Post-Processing Treatment of High. Temperature Semi-Crystalline Thermoplastics for Extrusion. Deposition Additive Manufacturing.
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https://trace.tennessee.edu/cgi/viewcontent.cgi?article=6775&context=utk_graddiss
Melt Processability and Post-Processing Treatment of High. Temperature Semi-Crystalline Thermoplastics for Extrusion. Deposition Additive Manufacturing.
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32
Thermoplastic Polymers - Definition, Properties, Applications ...
https://byjus.com/chemistry/thermoplastic-polymers/
With regard to behaviour at elevated temperatures, polymers are classified as either thermoplastics or thermosetting. Thermoplastic polymers have linear and ...
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https://byjus.com/chemistry/thermoplastic-polymers/
With regard to behaviour at elevated temperatures, polymers are classified as either thermoplastics or thermosetting. Thermoplastic polymers have linear and ...
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33
High Temperature Thermoplastics | RTP Company
https://www.rtpcompany.com/wp-content/uploads/RTP-Company_High-Temperature-Thermoplastics.pdf
temperatures. RTP Company uses high temperature resins as a basis for a broad range of thermoplastic compounds that are formulated with even more benefits, ...
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https://www.rtpcompany.com/wp-content/uploads/RTP-Company_High-Temperature-Thermoplastics.pdf
temperatures. RTP Company uses high temperature resins as a basis for a broad range of thermoplastic compounds that are formulated with even more benefits, ...
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34
Rheological evaluation of high temperature polymers to ...
https://www.osti.gov/servlets/purl/1474687
is forced through an orifice at a given flow rate. ... of depositing thermoplastics at temperatures of up to 500 °C. BAAM uses a single screw extruder.
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https://www.osti.gov/servlets/purl/1474687
is forced through an orifice at a given flow rate. ... of depositing thermoplastics at temperatures of up to 500 °C. BAAM uses a single screw extruder.
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35
Why are mechanical and flow properties of polymers ... - Quora
https://www.quora.com/Why-are-mechanical-and-flow-properties-of-polymers-usually-temperature-dependent-and-strain-rate-dependent
Generally, ductility of polymers goes UP with higher temp, goes DOWN with lower temps, and for those materials that have a Tg or glass temp, once cold enough, ...
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https://www.quora.com/Why-are-mechanical-and-flow-properties-of-polymers-usually-temperature-dependent-and-strain-rate-dependent
Generally, ductility of polymers goes UP with higher temp, goes DOWN with lower temps, and for those materials that have a Tg or glass temp, once cold enough, ...
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36
Amorphous vs. Semi-Crystalline Polymers
https://advanced-emc.com/amorphous-vs-semi-crystalline-polymers/
Amorphous polymers have a molecular structure that is randomly ordered, which causes them to have a range of temperatures over which they melt.
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https://advanced-emc.com/amorphous-vs-semi-crystalline-polymers/
Amorphous polymers have a molecular structure that is randomly ordered, which causes them to have a range of temperatures over which they melt.
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37
Investigation of the flow characteristics of PET at different ...
https://assets.thermofisher.com/TFS-Assets/MSD/Application-Notes/LR06-investigation-flow-characteristics-pet-different-temperatures.pdf
This means that the viscosity is independent of temperature fluctuations at higher shear rates. Summary. Recapitulating we can say that the flow characteristics.
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https://assets.thermofisher.com/TFS-Assets/MSD/Application-Notes/LR06-investigation-flow-characteristics-pet-different-temperatures.pdf
This means that the viscosity is independent of temperature fluctuations at higher shear rates. Summary. Recapitulating we can say that the flow characteristics.
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38
Scientific Principles:Polymers
http://matse1.matse.illinois.edu/polymers/prin.html
Amorphous polymers do not have a definable Tm due to their randomness. At low temperatures, below their glass transition temperature (Tg), the segments are ...
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http://matse1.matse.illinois.edu/polymers/prin.html
Amorphous polymers do not have a definable Tm due to their randomness. At low temperatures, below their glass transition temperature (Tg), the segments are ...
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39
What information does the Tg (glass transition temperature ...
http://www.mereco.com/resources/ask-the-doctor/what-information-does-the-tg-glass-transition-temperature-tell-about-a-poly
› resources › ask-the-doctor
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http://www.mereco.com/resources/ask-the-doctor/what-information-does-the-tg-glass-transition-temperature-tell-about-a-poly
› resources › ask-the-doctor
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40
The Difference Between Amorphous & Semi-crystalline ...
https://blog.impactplastics.co/blog/the-difference-between-amorphous-semi-crystalline-polymers
A result, this highly organized molecular structure results in a defined melting point. These polymers are anisotropic in flow, so they exhibit ...
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https://blog.impactplastics.co/blog/the-difference-between-amorphous-semi-crystalline-polymers
A result, this highly organized molecular structure results in a defined melting point. These polymers are anisotropic in flow, so they exhibit ...
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41
Polypropylene Processing Guide - INEOS Group
https://www.ineos.com/globalassets/ineos-group/businesses/ineos-olefins-and-polymers-usa/products/technical-information--patents/ineos_polypropylene_processing_guide.pdf
the most satisfactory thermoplastic resins for a ... thermoplastics industry to describe resin flow. ... high melt temperature requirements.
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https://www.ineos.com/globalassets/ineos-group/businesses/ineos-olefins-and-polymers-usa/products/technical-information--patents/ineos_polypropylene_processing_guide.pdf
the most satisfactory thermoplastic resins for a ... thermoplastics industry to describe resin flow. ... high melt temperature requirements.
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42
Interpreting DSC curves Part 1: Dynamic measurements
https://www.eng.uc.edu/~beaucag/Classes/Characterization/DSCParts/Artifacts%20in%20DSC%20Usercom_11.pdf
Analogous to the behavior of partially crystalline polymers, the glass transition temperature is shifted to somewhat higher temperatures and the glass ...
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https://www.eng.uc.edu/~beaucag/Classes/Characterization/DSCParts/Artifacts%20in%20DSC%20Usercom_11.pdf
Analogous to the behavior of partially crystalline polymers, the glass transition temperature is shifted to somewhat higher temperatures and the glass ...
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43
Thermoplastics - Polymers
https://polymers.com.au/thermoplastics/
Amorphous high temperature resins have a randomly ordered molecular structure which does not have a sharp melt point; instead amorphous materials soften ...
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https://polymers.com.au/thermoplastics/
Amorphous high temperature resins have a randomly ordered molecular structure which does not have a sharp melt point; instead amorphous materials soften ...
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44
5 Important Reasons Why You Should be Mindful of Glass ...
https://blog.resindesigns.com/5-important-reasons-why-you-should-be-mindful-of-glass-transitions-temperatures-in-selecting-an-epoxy-adhesive
At higher temperatures, the mobility of the molecules increases and they are able to move more freely. This results in a loss of rigidity and ...
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https://blog.resindesigns.com/5-important-reasons-why-you-should-be-mindful-of-glass-transitions-temperatures-in-selecting-an-epoxy-adhesive
At higher temperatures, the mobility of the molecules increases and they are able to move more freely. This results in a loss of rigidity and ...
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45
Dynamic Mechanical Analysis Basics: Part 2 Thermoplastic ...
https://resources.perkinelmer.com/lab-solutions/resources/docs/app_thermaldynmechanalybasicspart2.pdf
in explaining DMA responses, is ... pressed, to a higher temperature, ... flows. This is the melting tempera- ture, Tm. For a cured thermoset,.
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https://resources.perkinelmer.com/lab-solutions/resources/docs/app_thermaldynmechanalybasicspart2.pdf
in explaining DMA responses, is ... pressed, to a higher temperature, ... flows. This is the melting tempera- ture, Tm. For a cured thermoset,.
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46
Basic Heat Transfer and Some Applications in Polymer ...
http://www.polydynamics.com/heat_transfer_revised.pdf
So, the intuitive concept of temperature is really defined by the heat exchange from one body to another. Heat is a form of energy that flows from one body to ...
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http://www.polydynamics.com/heat_transfer_revised.pdf
So, the intuitive concept of temperature is really defined by the heat exchange from one body to another. Heat is a form of energy that flows from one body to ...
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47
Thermoplastic Elastomer (TPE) FAQs - Avient
https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/tpe-faqs
Most thermoplastics are soluble in specific solvents and can burn to some degree. Softening/melt temperatures vary with polymer type and grade. Because of the ...
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https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/tpe-faqs
Most thermoplastics are soluble in specific solvents and can burn to some degree. Softening/melt temperatures vary with polymer type and grade. Because of the ...
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48
Plastics That Conduct Heat
https://www.ptonline.com/articles/plastics-that-conduct-heat
Whereas unfilled thermoplastics have a thermal conductivity of around 0.2 W/mK (Watts/meter-°Kelvin), most thermally conductive plastic ...
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https://www.ptonline.com/articles/plastics-that-conduct-heat
Whereas unfilled thermoplastics have a thermal conductivity of around 0.2 W/mK (Watts/meter-°Kelvin), most thermally conductive plastic ...
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49
Test The Viscosity Of Thermoplastics-Melt Flow Index tester
https://www.prestogroup.com/blog/melt-volume-flow-rate-essential-to-test-the-viscosity-of-thermoplastics/
The MFI of the resins explains the viscosity or flow rate of plastics at a particular temperature and load. The polymer will simple molecular structures ...
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https://www.prestogroup.com/blog/melt-volume-flow-rate-essential-to-test-the-viscosity-of-thermoplastics/
The MFI of the resins explains the viscosity or flow rate of plastics at a particular temperature and load. The polymer will simple molecular structures ...
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50
Chapter 15 Characteristics, Applications, and Processing of ...
https://fac.ksu.edu.sa/sites/default/files/ch15.pdf
The final two high-temperature regions are rubbery flow and viscous flow. Upon ... For thermoplastic polymers, both ductile and brittle modes are possible, ...
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https://fac.ksu.edu.sa/sites/default/files/ch15.pdf
The final two high-temperature regions are rubbery flow and viscous flow. Upon ... For thermoplastic polymers, both ductile and brittle modes are possible, ...
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51
Melt Flow Rates of Thermoplastics by Extrusion Plastometer1
https://apandales4.files.wordpress.com/2014/02/d1238-370238-1.pdf
prescribed conditions of temperature, load, and piston position ... on samples having melt flow rates greater than 75 g/10 min.
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https://apandales4.files.wordpress.com/2014/02/d1238-370238-1.pdf
prescribed conditions of temperature, load, and piston position ... on samples having melt flow rates greater than 75 g/10 min.
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52
Effect of Degradation During Processing on the Melt Viscosity ...
https://www.cenam.mx/simposio2008/sm_2008/memorias/S3/SM2008-S3C2-1134.pdf
The rheological properties of a thermoplastic polyurethane (TPU) were studied at small and large ... also prone to dissociate at elevated temperatures.
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https://www.cenam.mx/simposio2008/sm_2008/memorias/S3/SM2008-S3C2-1134.pdf
The rheological properties of a thermoplastic polyurethane (TPU) were studied at small and large ... also prone to dissociate at elevated temperatures.
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53
High-temperature materials - Encyclopedia Britannica
https://www.britannica.com/technology/materials-science/High-temperature-materials
› materials-science › High-t...
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https://www.britannica.com/technology/materials-science/High-temperature-materials
› materials-science › High-t...
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54
Everything You Need To Know About Polypropylene (PP) Plastic
https://www.creativemechanisms.com/blog/all-about-polypropylene-pp-plastic
Polypropylene (PP) is a thermoplastic “addition polymer” used for ... at higher temperatures (a potential issue during injection molding).
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https://www.creativemechanisms.com/blog/all-about-polypropylene-pp-plastic
Polypropylene (PP) is a thermoplastic “addition polymer” used for ... at higher temperatures (a potential issue during injection molding).
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55
ISO 306, ASTM D1525, ISO 75, ASTM D648:HDT and Vicat
https://www.zwickroell.com/industries/plastics/thermoplastics-and-thermosetting-molding-materials/determination-of-hdt-vst/
Thermoplastics, in particular, increasingly lose their stiffness and hardness at higher temperatures. This behavior is measured by a constant load applied to a ...
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https://www.zwickroell.com/industries/plastics/thermoplastics-and-thermosetting-molding-materials/determination-of-hdt-vst/
Thermoplastics, in particular, increasingly lose their stiffness and hardness at higher temperatures. This behavior is measured by a constant load applied to a ...
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56
What do we mean by the heat resistance of thermoplastics?
https://interplasinsights.com/blogs/materials-blog/what-do-we-mean-by-the-heat-resistance-of-thermoplastics/
When processors are tempted to push processing temperatures five degrees beyond the recommended limits, in order to reduce melt viscosity and ...
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https://interplasinsights.com/blogs/materials-blog/what-do-we-mean-by-the-heat-resistance-of-thermoplastics/
When processors are tempted to push processing temperatures five degrees beyond the recommended limits, in order to reduce melt viscosity and ...
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57
Polymer manufacturing processes - a 4000+ words ...
https://www.hardiepolymers.com/knowledge/polymer-manufacturing-processes/
The energy required to raise unit mass of polymer from room temperature to processing temperature is defined as the enthalpy. Semi-crystalline thermoplastics ...
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https://www.hardiepolymers.com/knowledge/polymer-manufacturing-processes/
The energy required to raise unit mass of polymer from room temperature to processing temperature is defined as the enthalpy. Semi-crystalline thermoplastics ...
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58
Fusion Bonding/Welding of Thermoplastic Composites
https://journals.sagepub.com/doi/pdf/10.1177/0892705704045187
having high fiber volume fraction (>50%) and high processing temperature. (>350 C). The following sections explain three classes of fusion- ...
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https://journals.sagepub.com/doi/pdf/10.1177/0892705704045187
having high fiber volume fraction (>50%) and high processing temperature. (>350 C). The following sections explain three classes of fusion- ...
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59
The role of lignin in wood working processes using elevated ...
https://link.springer.com/article/10.1007/s00107-020-01637-3
By increasing the temperature, the internal energy is increased, the individual parts and segments of the molecules can move, and deform, but ...
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https://link.springer.com/article/10.1007/s00107-020-01637-3
By increasing the temperature, the internal energy is increased, the individual parts and segments of the molecules can move, and deform, but ...
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60
Amorphous vs crystalline polymers | Essentra Components UK
https://www.essentracomponents.com/en-gb/news/manufacturing/injection-moulding/the-difference-between-amorphous-and-semi-crystalline-plastics
Semi-crystalline polymers' sharp melting point makes them difficult to thermoform. These materials are anisotropic in flow, so they shrink more ...
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https://www.essentracomponents.com/en-gb/news/manufacturing/injection-moulding/the-difference-between-amorphous-and-semi-crystalline-plastics
Semi-crystalline polymers' sharp melting point makes them difficult to thermoform. These materials are anisotropic in flow, so they shrink more ...
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61
Development, Characterization, and Application of Novel High ...
https://pubs.rsc.org/en/content/chapterhtml/2019/bk9781788014175-00001?isbn=978-1-78801-417-5
This understanding is then expanded to enable the emulsification of thermoplastics and thermosetting materials at elevated temperatures. Specific case studies ...
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https://pubs.rsc.org/en/content/chapterhtml/2019/bk9781788014175-00001?isbn=978-1-78801-417-5
This understanding is then expanded to enable the emulsification of thermoplastics and thermosetting materials at elevated temperatures. Specific case studies ...
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62
Radel® PPSU, Udel® PSU, Veradel® PESU & Acudel ...
https://www.solvay.com/sites/g/files/srpend221/files/2018-07/Sulfones-Processing-Guide_EN.pdf
Solvay offers the industry's broadest range of high- performance sulfone polymers . These high-temperature amorphous thermoplastics are inherently ...
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https://www.solvay.com/sites/g/files/srpend221/files/2018-07/Sulfones-Processing-Guide_EN.pdf
Solvay offers the industry's broadest range of high- performance sulfone polymers . These high-temperature amorphous thermoplastics are inherently ...
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63
The Importance of Temperature Control in Plastic Injection ...
https://www.process-heating.com/articles/90598-the-importance-of-temperature-control-in-plastic-injection-molding
Thermoplastics are substances that become plastic when heat is applied to them, harden upon cooling and can be subjected to the heating-molding- ...
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https://www.process-heating.com/articles/90598-the-importance-of-temperature-control-in-plastic-injection-molding
Thermoplastics are substances that become plastic when heat is applied to them, harden upon cooling and can be subjected to the heating-molding- ...
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64
Chapter 8 Polymers Part 1 - Quia
https://www.quia.com/jg/1961566list.html
cannot tolerate repeated heating cycles as thermoplastics can. When initially heated, they soften and flow for molding, but the elevated temperatures also ...
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https://www.quia.com/jg/1961566list.html
cannot tolerate repeated heating cycles as thermoplastics can. When initially heated, they soften and flow for molding, but the elevated temperatures also ...
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65
Use of Melt Flow Rate Test in Reliability Study of ... - NREL
https://www.nrel.gov/docs/fy12osti/52586.pdf
Use of thermoplastic materials as encapsulants in photovoltaic (PV) modules presents a potential concern in terms of high temperature creep, which should be ...
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https://www.nrel.gov/docs/fy12osti/52586.pdf
Use of thermoplastic materials as encapsulants in photovoltaic (PV) modules presents a potential concern in terms of high temperature creep, which should be ...
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66
The Most Misunderstood Problem In Medical Injection Molding
https://www.meddeviceonline.com/doc/the-most-misunderstood-problem-in-medical-injection-molding-and-how-to-solve-it-0001
Shear heating occurs as plastic (both thermoplastics and thermosets) flows through a mold's runner system. As the different layers of plastic ...
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https://www.meddeviceonline.com/doc/the-most-misunderstood-problem-in-medical-injection-molding-and-how-to-solve-it-0001
Shear heating occurs as plastic (both thermoplastics and thermosets) flows through a mold's runner system. As the different layers of plastic ...
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67
Ultra High-Performance Plastic Materials: Solutions for Your ...
https://drakeplastics.com/high-performance-plastic-materials
The high-performance thermoplastic withstands temperature extremes better than most engineering thermoplastics. It retains its rigidity at temperature extremes ...
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https://drakeplastics.com/high-performance-plastic-materials
The high-performance thermoplastic withstands temperature extremes better than most engineering thermoplastics. It retains its rigidity at temperature extremes ...
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68
Thermoplastic Elastomers - IntechOpen
https://cdn.intechopen.com/pdfs/34065/InTech-Thermoplastic_elastomers.pdf
glass transition temperature many polymers become elastomers. At high extensions and when under strain for longer times viscous flow occurs, ...
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https://cdn.intechopen.com/pdfs/34065/InTech-Thermoplastic_elastomers.pdf
glass transition temperature many polymers become elastomers. At high extensions and when under strain for longer times viscous flow occurs, ...
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69
Compression Molding 101 - Macrodyne
https://macrodynepress.com/compression-molding-101/
Thermoplastic resins: polypropylene, nylon, UHMWPE, HDPE, and high ... temperature and pressure, material composition will impact the flow of the material.
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https://macrodynepress.com/compression-molding-101/
Thermoplastic resins: polypropylene, nylon, UHMWPE, HDPE, and high ... temperature and pressure, material composition will impact the flow of the material.
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70
MELT FLOW INDEX (MFI) - BIT Mesra
https://www.bitmesra.ac.in/UploadedDocuments/admince/files/PSE_Module%203.pdf
The melt flow index (MFI) is a measure of the ease of flow of the melt of a thermoplastic polymer. It is defined as the mass of polymer, in grams, ...
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https://www.bitmesra.ac.in/UploadedDocuments/admince/files/PSE_Module%203.pdf
The melt flow index (MFI) is a measure of the ease of flow of the melt of a thermoplastic polymer. It is defined as the mass of polymer, in grams, ...
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71
SYSTEMS ENGINEERING DATA FOR THERMOPLASTIC ...
http://www.corr-tech.com/EG-section2.pdf
Thermoplastic pipe is not subject to erosion caused by high velocities and turbulent flow, and in this respect is superior to metal piping systems, particularly.
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http://www.corr-tech.com/EG-section2.pdf
Thermoplastic pipe is not subject to erosion caused by high velocities and turbulent flow, and in this respect is superior to metal piping systems, particularly.
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72
What is Melt Flow Index? - Knowledgebase - Industrial Physics
https://industrialphysics.com/knowledgebase/articles/what-is-mfi-or-mfr-and-why-is-it-important/
The Melt Flow Index (MFI) or Melt Flow Rate (MFR) is a measure of the ease of flow of the melt of a thermoplastic polymer. Find out more.
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https://industrialphysics.com/knowledgebase/articles/what-is-mfi-or-mfr-and-why-is-it-important/
The Melt Flow Index (MFI) or Melt Flow Rate (MFR) is a measure of the ease of flow of the melt of a thermoplastic polymer. Find out more.
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73
Glossary of Injection Molding Terms - PTI Engineered Plastics
https://teampti.com/glossary-of-terms/
THERMAL STRESS CRACKING (TSC) – Crazing and cracking of some thermoplastic resins which results from over-exposure to elevated temperatures. THERMOPLASTIC – (a.) ...
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https://teampti.com/glossary-of-terms/
THERMAL STRESS CRACKING (TSC) – Crazing and cracking of some thermoplastic resins which results from over-exposure to elevated temperatures. THERMOPLASTIC – (a.) ...
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74
Thermoplastic Materials - A Deep Analysis | 2022 Kruger
https://kruger.industries/thermoplastic/
Polymer crystallinity gives higher melting temperatures, higher shrinkage, and increased rigidity. To develop a combination of properties from ...
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https://kruger.industries/thermoplastic/
Polymer crystallinity gives higher melting temperatures, higher shrinkage, and increased rigidity. To develop a combination of properties from ...
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75
Difference Between Thermoplastic and Thermosetting Plastic
https://pediaa.com/difference-between-thermoplastic-and-thermosetting-plastic/
Unlike thermoplastic, thermosetting plastic can withstand high temperatures without losing its rigidity. Therefore, thermosetting materials ...
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https://pediaa.com/difference-between-thermoplastic-and-thermosetting-plastic/
Unlike thermoplastic, thermosetting plastic can withstand high temperatures without losing its rigidity. Therefore, thermosetting materials ...
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76
Effects of strain rate and temperature on the mechanical ...
https://hal.archives-ouvertes.fr/hal-02545697/document
on thermoplastics and other polymers has shown that both the loading modulus and peak flow stress decrease with increasing temperature.23 ...
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https://hal.archives-ouvertes.fr/hal-02545697/document
on thermoplastics and other polymers has shown that both the loading modulus and peak flow stress decrease with increasing temperature.23 ...
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77
Chapter 3 - Material Properties - Plastics Pipe Institute
https://plasticpipe.org/common/Uploaded%20files/1-PPI/Manuals-Design%20Guides/Handbook%20of%20PE%20Pipe/SECOND_EDITION_HANDBOOK_OF_PE_PIPE_2008/Chapter_3__-_Material_Properties/Chapter%203%20-%20Material%20Properties.pdf
properties exhibit a greater sensitivity to temperature and certain ... for Flow Rates of Thermoplastics by Extrusion Plastometer(2), is the industry ...
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https://plasticpipe.org/common/Uploaded%20files/1-PPI/Manuals-Design%20Guides/Handbook%20of%20PE%20Pipe/SECOND_EDITION_HANDBOOK_OF_PE_PIPE_2008/Chapter_3__-_Material_Properties/Chapter%203%20-%20Material%20Properties.pdf
properties exhibit a greater sensitivity to temperature and certain ... for Flow Rates of Thermoplastics by Extrusion Plastometer(2), is the industry ...
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78
Temperature control in plastic injection moulds - REGLOPLAS
https://www.regloplas.com/en/technologies/mould-temperature-control/temperature-control-in-plastic-injection-moulds/
When manufacturing injection-moulded parts from plastics, the mould temperature has a decisive influence on the quality of the parts and the cycle time.
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https://www.regloplas.com/en/technologies/mould-temperature-control/temperature-control-in-plastic-injection-moulds/
When manufacturing injection-moulded parts from plastics, the mould temperature has a decisive influence on the quality of the parts and the cycle time.
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79
High Temperature Thermoplastics - ThoughtCo
https://www.thoughtco.com/high-temperature-thermoplastics-820349
High-temperature thermoplastics are known to retain their physical properties at higher temperatures and exhibit thermal stability even in the ...
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https://www.thoughtco.com/high-temperature-thermoplastics-820349
High-temperature thermoplastics are known to retain their physical properties at higher temperatures and exhibit thermal stability even in the ...
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80
Lab and evaluation methods of polymer properties - MST.edu
https://web.mst.edu/~weim/EORData/polymer_evaluation.html
Darcy's law describes the flow of fluid through porous media as ... such as the salinity, temperature, concentration, molecular weight, and shear rate.
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https://web.mst.edu/~weim/EORData/polymer_evaluation.html
Darcy's law describes the flow of fluid through porous media as ... such as the salinity, temperature, concentration, molecular weight, and shear rate.
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81
Processing and characterization of polyethylene-based ...
https://www.tandfonline.com/doi/full/10.1179/2055035915Y.0000000002
Thermoplastic matrix polymer composites have gained commercial success in the ... to a temperature at which it can flow and then it is forced into a cold, ...
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https://www.tandfonline.com/doi/full/10.1179/2055035915Y.0000000002
Thermoplastic matrix polymer composites have gained commercial success in the ... to a temperature at which it can flow and then it is forced into a cold, ...
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82
Does the temperature affect the young modulus of the ...
https://www.researchgate.net/post/Does_the_temperature_affect_the_young_modulus_of_the_polymeric_material_Please_suggest_the_reasons
Weak points of every polymeric material are the secondary bonds between molecules of your polymer. With increasing temperatures, the molecules have more kinetic ...
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https://www.researchgate.net/post/Does_the_temperature_affect_the_young_modulus_of_the_polymeric_material_Please_suggest_the_reasons
Weak points of every polymeric material are the secondary bonds between molecules of your polymer. With increasing temperatures, the molecules have more kinetic ...
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83
High Temperature Rheology Characterisation Service
https://www.rheologylab.com/support/high-temperature-rheology-characterisation-service/
Many materials which are typically very tough or rigid at room temperature can undergo softening or melting as temperatures are increased. In the world of ...
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https://www.rheologylab.com/support/high-temperature-rheology-characterisation-service/
Many materials which are typically very tough or rigid at room temperature can undergo softening or melting as temperatures are increased. In the world of ...
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84
Thermal Analysis of Polymers Selected Applications
https://www.mse.ucr.edu/media/586/download
The chapters covering the analysis of thermoplastics, thermosets and elastomers were previously published in ... transition shifts to higher temperature at.
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https://www.mse.ucr.edu/media/586/download
The chapters covering the analysis of thermoplastics, thermosets and elastomers were previously published in ... transition shifts to higher temperature at.
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85
Welding of Plastics: Fundamentals and New Developments
https://www.abe.iastate.edu/files/2011/11/David-Grewells-Welding-Review.pdf
If the squeeze flow rate is high, molecular alignment ... a simple form, the center bar is heated to a temperature defined as hm, and the two outer bars are ...
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https://www.abe.iastate.edu/files/2011/11/David-Grewells-Welding-Review.pdf
If the squeeze flow rate is high, molecular alignment ... a simple form, the center bar is heated to a temperature defined as hm, and the two outer bars are ...
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86
Explaining Melt Flow Index
https://routsis.blog/2009/12/explaining_melt_flow_index/
The melt flow index only tests the material at one shear stress, and temperature. In general, a higher melt flow index indicates a lower ...
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https://routsis.blog/2009/12/explaining_melt_flow_index/
The melt flow index only tests the material at one shear stress, and temperature. In general, a higher melt flow index indicates a lower ...
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87
Viscosity Measurement by using Melt flow Index for ...
http://repository.sustech.edu/bitstream/handle/123456789/9099/Viscosity%20Measurement%20by%20using%20...pdf?isAllowed=y&sequence=1
chemical reaction, usually requiring high temperatures. UN vulcanized natural rubber (polyisoprene) is a thermoplastic and in hot weather.
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http://repository.sustech.edu/bitstream/handle/123456789/9099/Viscosity%20Measurement%20by%20using%20...pdf?isAllowed=y&sequence=1
chemical reaction, usually requiring high temperatures. UN vulcanized natural rubber (polyisoprene) is a thermoplastic and in hot weather.
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88
What is cold flow? | Cold Flow Definition - Label Planet
https://www.labelplanet.co.uk/glossary/cold-flow/
This means that cold flow can occur at relatively low temperatures; for example, some plastics and metals (with low melting temperatures) will begin to flow at ...
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https://www.labelplanet.co.uk/glossary/cold-flow/
This means that cold flow can occur at relatively low temperatures; for example, some plastics and metals (with low melting temperatures) will begin to flow at ...
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89
Melt Flow Rate | MFR - Jordi Labs
https://jordilabs.com/lab-testing/technique/physical-testing/melt-flow-rate/
MFR is obtained under standard conditions of temperature and applied load, defined for each type of material. MFR is a measure of the ability of the material's ...
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https://jordilabs.com/lab-testing/technique/physical-testing/melt-flow-rate/
MFR is obtained under standard conditions of temperature and applied load, defined for each type of material. MFR is a measure of the ability of the material's ...
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90
Polypropylene (PP)
https://www.bpf.co.uk/plastipedia/polymers/PP.aspx
The absence of any real need for high molecular weight, from the mechanical properties view point, leads to low melt viscosity (easy flow). The pseudoplastic ...
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https://www.bpf.co.uk/plastipedia/polymers/PP.aspx
The absence of any real need for high molecular weight, from the mechanical properties view point, leads to low melt viscosity (easy flow). The pseudoplastic ...
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91
Characteristics of Polymers - Employees Csbsju
https://employees.csbsju.edu/cschaller/Advanced/Polymers/CPdsc.html
At the glass transition temperature, the physical nature of the material changes subtly. It goes from being a rubbery, flexible material at higher temperature, ...
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https://employees.csbsju.edu/cschaller/Advanced/Polymers/CPdsc.html
At the glass transition temperature, the physical nature of the material changes subtly. It goes from being a rubbery, flexible material at higher temperature, ...
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92
The Need for Temperature Control in Plastic Injection Molding
https://www.process-cooling.com/articles/89826-the-need-for-temperature-control-in-plastic-injection-molding
If the temperature is too low, the components may not mix properly. Alternately, when the temperature is too high, the mixture might become ...
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https://www.process-cooling.com/articles/89826-the-need-for-temperature-control-in-plastic-injection-molding
If the temperature is too low, the components may not mix properly. Alternately, when the temperature is too high, the mixture might become ...
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93
Polymer Properties - Stress-Strain, Viscosity, Melt Index
https://thermoformingdivision.com/resources/thermoforming-101/polymers_properties/
Polymer density decreases and its reciprocal, “specific volume,” increases with increasing temperature. In the vicinity of the glass transition temperature, the ...
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https://thermoformingdivision.com/resources/thermoforming-101/polymers_properties/
Polymer density decreases and its reciprocal, “specific volume,” increases with increasing temperature. In the vicinity of the glass transition temperature, the ...
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94
PVC Properties - Vinidex Pty Ltd
https://www.vinidex.com.au/technical-resources/material-properties/pvc-properties/
Pressure Ratings at Elevated Temperatures ... The mechanical properties of PVC are referenced at 20°C. Thermoplastics generally decrease in strength and increase ...
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https://www.vinidex.com.au/technical-resources/material-properties/pvc-properties/
Pressure Ratings at Elevated Temperatures ... The mechanical properties of PVC are referenced at 20°C. Thermoplastics generally decrease in strength and increase ...
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95
Specific volume of polymers : influence of the ... - Pure
https://pure.tue.nl/ws/files/2094968/200512425.pdf
at relatively high temperatures. This is subject to future investigation. The influence of shear flow on the evolution of the specific ...
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https://pure.tue.nl/ws/files/2094968/200512425.pdf
at relatively high temperatures. This is subject to future investigation. The influence of shear flow on the evolution of the specific ...
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96
Materials Links & Resources: Plastics - ESM Intranet Site
https://sites.esm.psu.edu/courses/emch213d/links/materials/plastics.php
Plastics are organic materials made from large molecules that are ... casting or by plastic flow at elevated temperature they will no longer remelt or flow ...
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https://sites.esm.psu.edu/courses/emch213d/links/materials/plastics.php
Plastics are organic materials made from large molecules that are ... casting or by plastic flow at elevated temperature they will no longer remelt or flow ...
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97
Coefficient of Linear Thermal Expansion on Polymers Explained
https://passive-components.eu/coefficient-of-linear-thermal-expansion-on-polymers-explained/
Under the effects of increasing temperature any material will expand. This can lead to significant changes in dimensions, to part war-page or to internal ...
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https://passive-components.eu/coefficient-of-linear-thermal-expansion-on-polymers-explained/
Under the effects of increasing temperature any material will expand. This can lead to significant changes in dimensions, to part war-page or to internal ...
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98
Thermoset - Rebling Power Connectors
https://rebling.com/products/custom-molding/thermoset
When designing a new part, design engineers should consider switching to modern high temperature thermoplastics such as PPS, PEEK, or PEI which have much lower ...
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https://rebling.com/products/custom-molding/thermoset
When designing a new part, design engineers should consider switching to modern high temperature thermoplastics such as PPS, PEEK, or PEI which have much lower ...
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