聚丙烯长丝/芳纶包缠纱捻度的优化

纺织学报 ›› 2014, Vol. 35 ›› Issue (6): 40-0.

聚丙烯长丝/芳纶包缠纱捻度的优化

钟智丽^1，2,王玉新^1，2

1. 天津工业大学纺织学部
2. 天津工业大学先进纺织复合材料教育部重点实验室

收稿日期:2013-07-10 修回日期:2014-02-13 出版日期:2014-06-15 发布日期:2014-06-09
基金资助:
国家高技术研究发展计划资助项目

Twist optimization of polypropylene filament /aramid wrapped yarn

Received:2013-07-10 Revised:2014-02-13 Online:2014-06-15 Published:2014-06-09

摘要/Abstract

摘要： 利用平行纺纱技术，通过合理配置ON-SC1000型花式捻线机的空心锭转速及卷绕速度，成功研制出5中不同捻度的聚丙烯长丝/芳纶包缠纱。选取了影响包缠纱综合性能的7项指标进行测试，包括其断裂伸长CV值、断裂强力CV 值、粗节、纱结、细节、条干均匀度、耐磨性，将它们依次定义为X1、X2、X3、X4、X5、X6、X7。采用主成份分析法，对包缠纱综合性能进行分析，计算得出五种捻度的包缠纱综合得分依次为0.067、-0.818、-0.751、-1.019、1.476。结果表明：五种纱线的捻度由优到劣依次为320T/m、250T/m、300T/m、200T/m、350T/m；在250-320T/m的范围内，纱线外观优良，有利于充分发挥两种长丝的优良特性。为正确设计聚丙烯长丝/芳纶包缠纱的捻度提供了很好的指导作用。

关键词: 聚丙烯长丝, 芳纶, 包缠纱, 捻度, 纱线性能, 主成分分析

Abstract: Five kinds of polypropylene filament/aramid wrapped yarns with different twist were produced successfully with the parallel spinning method by adjusting winding speed and spindle speed of ON-SC1000 fancy twisting machine. Seven indexes were Selected to analyze the comprehensive performance of the wrapped yarn, including the breaking elongation CV、the breaking strength CV, slug, knot, snicks ,evenness, abrasion performance which were defined as X1、X2、X3、X4、X5、X6、X7 in turn. It was calculated that the five kinds of wrapping yarn got the comprehensive score of 0.067, -0.818, -0.751, -0.818, 1.476 with the principal component analysis method. Experiments demonstrated that the rank of yarns with different twist is 320T/m、250T/m、300T/m、200T/m、350T/m successively; When the twist rang from 250 T/m to 320T/m，the wrapped Yarns get excellent comprehensive performance which is benefit to give full play to the excellent characteristics of the two kinds of fiber. The analysis results provide much practical guidance for designing the twist of Polypropylene filament /aramid wrapped yarn correctly.

Key words: ploypropylene filament, aramid, wrapped yarn, twist, yarn prality, principal component analysis

中图分类号:

TS104.1

钟智丽王玉新. 聚丙烯长丝/芳纶包缠纱捻度的优化[J]. 纺织学报, 2014, 35(6): 40-0.

Xin YuWANG. Twist optimization of polypropylene filament /aramid wrapped yarn[J]. JOURNAL OF TEXTILE RESEARCH, 2014, 35(6): 40-0.

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