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首页> 外文期刊>Journal of Applied Polymer Science >Alkali Treatment of Jute Fibers:Relationship Between Structure and Mechancal Properties
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Alkali Treatment of Jute Fibers:Relationship Between Structure and Mechancal Properties

机译：黄麻纤维的碱处理：结构与力学性能之间的关系

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摘要

The mechanical properties of tossa jute fibers were improved by using NaOH treatment process to improve the mechanical properties of composites materials.Shrinkage of fibers during this process has significant effects to the fiber structure,as well as to the mechanical fiber properties,such as tensile strength and modulus.Isometric NaOH-treated jute yarns (20 min at 20degC in 25% NaOH solution) lead to an increase in yarn tensile strength and modulus of approx 120% and 150%,respectively.These changes in mechanical properties are affected by modifying the fiber structure,basi-cally via the crystallinity ratio,degree of polymerization,and orientation (Hermans factor).Structure-property relationships,developed for cellulosic man-made fibers,were used with a high correlation factor to describe the behavior of the jute fiber yarns.
机译：NaOH处理工艺改善了复合材料的力学性能，改善了粗麻纤维的力学性能。在此过程中，纤维的收缩对纤维结构以及机械性能如拉伸强度有重要影响。等量的NaOH处理过的黄麻纱线（在25％NaOH溶液中于20°C在20°C下20分钟）分别使纱线的抗张强度和模量增加了约120％和150％。纤维的结构，基本通过结晶度比，聚合度和取向（Hermans因子）。针对纤维素人造纤维开发的结构-特性关系与高相关因子用于描述黄麻纤维的性能纱线。

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