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首页> 外文会议>International Conference of the Polymer Processing Society >Structure-Property Relationship for Poly(ethylene terephthalate) Fibers Prepared through Continuous Drawing in Ethanol
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Structure-Property Relationship for Poly(ethylene terephthalate) Fibers Prepared through Continuous Drawing in Ethanol

机译：聚（乙烯对苯二甲酸乙二醇酯）纤维的结构性质关系通过乙醇连续拉伸制备的纤维

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In our previous study, we discussed necking behavior of poly(ethylene terephthalate) (PET) undrawn filament for various drawing conditions under continuous drawing process using ethanol. We confirmed that multiple necks occurred in the continuous drawing process and the stability of the process was improved by installing a pin in the draw line. To improve efficiency and productivity of the process, detailed analysis of the continuous drawing process was conducted. We measured the variation of natural draw ratio (NDR) under various drawing speeds. Structure - properties relationship of the fibers drawn to the NDR were analyzed. Appearance of the endothermic peak in the DSC curve was considered to be due to the vaporization of ethanol with subsequent confirmation of the presence of ethanol in the filaments. The ethanol-induced crystallization at room temperature was also confirmed from the crystalline reflections in the 2-D WAXD patterns.
机译：在我们以前的研究中，我们讨论了使用乙醇的连续拉伸过程下的各种拉伸条件的聚（乙烯对苯二甲酸乙二醇酸酯）（PET）未提出的细丝的颈缩行为。我们证实，通过在拉线中安装销来改善，在连续拉伸过程中发生多个颈部，并改善了该过程的稳定性。为提高该过程的效率和生产力，进行了对连续拉伸过程的详细分析。我们在各种拉伸速度下测量了自然拉伸比（NDR）的变化。分析了对NDR吸收的纤维的结构性关系。 DSC曲线中的吸热峰的外观被认为是由于乙醇的蒸发，随后确认长丝中的乙醇存在。还从2-D蜡状图案中的晶体反射中确认乙醇诱导的结晶。

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