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首页> 外文期刊>The Journal of the Textile Institute >Effects of drawing process on crimp formation-ability of side-by-side bicomponent filament yarns produced from recycled, fiber-grade and bottle-grade PET
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Effects of drawing process on crimp formation-ability of side-by-side bicomponent filament yarns produced from recycled, fiber-grade and bottle-grade PET

机译：拉伸过程对再循环，纤维级和瓶级宠物制备的反侧双组分长丝纱线卷曲形成能力的影响

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摘要

In this study, side-by-side bicomponent filaments from recycled poly(ethylene) terephthalate (R-PET) from post-consumer bottles, fiber-grade PET (FG-PET) and bottle-grade PET (BG-PET) successfully were extruded. The bicomponent fibers in the forms of FG/R, BG/R and FG/BG were produced in a spinning machine and drawn by a thermal drawing process to improve their mechanical properties using draw ratios between '2.5 and 2.8'. The effects of conditions on the fiber structure, physical properties and crimp formation of resultant fibers were evaluated. The birefringence, shrinkage and mechanical properties, such as tensile strength and tensile modulus, increased and elongation at break decreased for the drawn fibers, and this was attributed to the fiber orientation. Distinct crimp formation was observed from drawn bicomponent fibers after thermal treatment. There were significant birefringence and shrinkage difference between two components in drawn bicomponent fibers caused to severe crimp formation.
机译：在本研究中，来自消费后瓶子，纤维级PET（FG-PET）和瓶级PET（BG-PET）的再生聚（乙烯）对苯二甲酸酯（R-PET）的并排双组分长丝挤压。在纺纱机中生产FG / R，BG / R和FG / BG中的双组分纤维，并通过热拉伸过程绘制，以使用'2.5和2.8'之间的拉伸比来改善其机械性能。评估条件对纤维结构，物理性质和卷曲形成所得纤维的影响。对于拉伸纤维，双折射，收缩和机械性能，例如拉伸强度和拉伸模量，增加和伸长率下降，并且这归因于纤维取向。热处理后从拉伸的双组分纤维中观察到不同的卷曲形成。引起严重卷曲形成引起的两种组分之间存在显着的双折射和收缩差异。

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