Thermally stimulated shrinkage forces in oriented polymers: 1. Temperature dependence |
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| Authors: | T Pakula M Trznadel |
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| Affiliation: | Centre of Molecular and Macromolecular Studies, Polish Academy of Science, Lód?, Poland |
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| Abstract: | Temperature dependences of shrinkage forces appearing in oriented polymer samples when heated at constant length were recorded for polycarbonate, polyethylene terephthalate, polyethylene and polypropylene. The influence of various processing conditions on thermally stimulated shrinkage forces is demonstrated. A four-state model is proposed which qualitatively describes the temperature dependences of shrinkage forces in amorphous polymers. |
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| Keywords: | thermal shrinkage shrinkage forces orientation model amorphous polymers |
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