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基于时间/温度叠加原理的聚对苯二甲酸乙二酯(PEF)和聚对苯二甲酸乙二酯(PET)单轴拉伸力学行为的比较分析。

Comparative Analysis of the Mechanical Behaviour of PEF and PET Uniaxial Stretching Based on the Time/Temperature Superposition Principle.

作者信息

Forestier Emilie, Combeaud Christelle, Guigo Nathanael, Corvec Guillaume, Pradille Christophe, Sbirrazzuoli Nicolas, Billon Noelle

机构信息

MINES Paris Tech, PSL Research University, CNRS, Centre de Mise en Forme des Matériaux (CEMEF), UMR 7635, CEDEX, 06904 Sophia Antipolis, France.

Institut de Chimie de Nice (ICN), Université Cote d'Azur, CNRS, UMR7272, CEDEX 2, 06108 Nice, France.

出版信息

Polymers (Basel). 2021 Sep 27;13(19):3295. doi: 10.3390/polym13193295.

DOI:10.3390/polym13193295
PMID:34641111
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8512310/
Abstract

Poly(ethylene 2,5-furandicarboxylate), PEF and poly(ethylene terephthalate), PET, are two polyesters with close chemical structures. It leads to similar thermal, mechanical and barrier properties. In order to optimize their stretching, a strategy based on the time/temperature principle is used. The building of master curves, in the linear visco-elastic domain, allows the identification of the experimental conditions for which the two materials are in the same physical state. The initial physical state of the materials is important as, to fit with the industrial constrains, the polymers must reach high level of deformation, and develop strain induced crystallization (SIC). In this paper, the screening of the forming range is described, as well as the mechanical response depending on the stretching settings. Moreover, the same mechanical response can exist for PEF and PET if the same gap from the α-relaxation exists.

摘要

聚(2,5-呋喃二甲酸乙二酯)(PEF)和聚对苯二甲酸乙二酯(PET)是两种化学结构相近的聚酯。这导致它们具有相似的热性能、机械性能和阻隔性能。为了优化它们的拉伸过程,采用了一种基于时间/温度原理的策略。在线性粘弹性区域构建主曲线,能够确定两种材料处于相同物理状态的实验条件。材料的初始物理状态很重要,因为为了符合工业要求,聚合物必须达到高水平的变形,并产生应变诱导结晶(SIC)。本文描述了成型范围的筛选以及取决于拉伸设置的机械响应。此外,如果与α松弛的差距相同,PEF和PET可能会有相同的机械响应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/d388bea5f111/polymers-13-03295-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/816141c71dfe/polymers-13-03295-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/0596bbbb8ec9/polymers-13-03295-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/301d08e7df8a/polymers-13-03295-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/78fbdcec14b8/polymers-13-03295-g006.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/bdda2b94fbc9/polymers-13-03295-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/fc1d65fde9c9/polymers-13-03295-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/27d559f86742/polymers-13-03295-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/d388bea5f111/polymers-13-03295-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/816141c71dfe/polymers-13-03295-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/59e881fdbbde/polymers-13-03295-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/564570edaa93/polymers-13-03295-g003.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/301d08e7df8a/polymers-13-03295-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/78fbdcec14b8/polymers-13-03295-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/abee2410dd02/polymers-13-03295-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/bdda2b94fbc9/polymers-13-03295-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/fc1d65fde9c9/polymers-13-03295-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/27d559f86742/polymers-13-03295-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01d1/8512310/d388bea5f111/polymers-13-03295-g011.jpg

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