基于聚离子液体的常压阴离子可染聚丙烯纤维制备及其性能

doi:10.13475/j.fzxb.20210404505

纺织学报 ›› 2022, Vol. 43 ›› Issue (07): 17-21.doi: 10.13475/j.fzxb.20210404505

基于聚离子液体的常压阴离子可染聚丙烯纤维制备及其性能

梁姣姣¹^,², 汪菁晶¹^,², 夏于旻¹^,²^,³^,⁴(), 朱新远³, 闫冰⁴, 孙利明⁴, 王燕萍¹^,², 何勇⁵, 王依民¹^,²

1.东华大学产业用纺织品教育部工程研究中心, 上海 201620
2.东华大学材料科学与工程学院, 上海 201620
3.上海交通大学化学化工学院, 上海 200240
4.浙江鸿基石化股份有限公司, 浙江嘉兴 314200
5.东华大学纺织科技创新中心, 上海 201620

收稿日期:2021-04-16 修回日期:2021-11-16 出版日期:2022-07-15 发布日期:2022-07-29
通讯作者: 夏于旻
作者简介:梁姣姣(1995—),女,硕士。主要研究方向为聚丙烯染色性能的改性。
基金资助:
中央高校基本科研业务费专项资金项目(2232021G-06)

Preparation and properties of normal pressure-anionic dyeable polypropylene fiber based on polyionic liquid

LIANG Jiaojiao¹^,², WANG Jingjing¹^,², XIA Yumin¹^,²^,³^,⁴(), ZHU Xinyuan³, YAN Bing⁴, SUN Liming⁴, WANG Yanping¹^,², HE Yong⁵, WANG Yimin¹^,²

1. Engineering Research Center of Technical Textile, Ministry of Education, Donghua University, Shanghai 201620, China
2. College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
3. School of Chemistry and Chemical Engineering, Shanghai Jiaotong University, Shanghai 200240, China
4. Zhejiang Hongji Petrochemical Co., Ltd., Jiaxing, Zhejiang 314200, China
5. Innovation Center for Textile Science and Technology, Donghua University, Shanghai 201620, China

Received:2021-04-16 Revised:2021-11-16 Published:2022-07-15 Online:2022-07-29
Contact: XIA Yumin

摘要/Abstract

摘要：

为改善聚丙烯纤维的染色性能,使其达到阴离子染料可染的效果,设计合成了一种主链是阳离子型的聚离子液体,对其与聚丙烯共混体系的相容性进行研究;将共混体系通过熔融纺丝得到阴离子可染聚丙烯纤维,借助纱线强伸度仪研究了纤维的力学性能,并通过染色实验对纤维的染色性能进行分析。结果表明:聚丙烯与聚离子液体共混体系具有良好相容性,聚离子液体的加入使聚丙烯的结晶度和取向度降低,从而使得其改性聚丙烯纤维更有利于与染料结合;改性聚丙烯纤维的上染率达到17.0%,染色深度值达到5.450 3,且改性纤维的断裂强度为4.4 cN/dtex,符合纺织加工的要求。

关键词: 聚丙烯纤维, 聚离子液体, 相容性, 共混纺丝, 常压阴离子可染

Abstract:

In order to prepare anionic dyeable polypropylene fiber, a type of cationic polyionic liquid was designed and synthesized, and its compatibility with the polypropylene blend system was studied. The blended system was spun into yarns by melt spinning method, and its mechanical properties and dyeing properties were investigated. Results show that the blending system of polypropylene and polyionic liquid has good compatibility. The addition of polyionic liquid reduces the degree of crystallinity and orientation of polypropylene, which makes the modified polypropylene fiber more favorable to combine with the dye. Dyeing experiment on the modified fiber showed that the dyeing rate and the dyeing depth of the fiber reaches 17.0% and 5.450 3 respectively. The breaking strength of the modified fiber is 4.4 cN/dtex, which meets the requirements for textile processing.

Key words: polypropylene fiber, polyionic liquid, compatibility, blending spinning, normal pressure-anionic dyeablility

中图分类号:

TQ342

梁姣姣, 汪菁晶, 夏于旻, 朱新远, 闫冰, 孙利明, 王燕萍, 何勇, 王依民. 基于聚离子液体的常压阴离子可染聚丙烯纤维制备及其性能[J]. 纺织学报, 2022, 43(07): 17-21.

LIANG Jiaojiao, WANG Jingjing, XIA Yumin, ZHU Xinyuan, YAN Bing, SUN Liming, WANG Yanping, HE Yong, WANG Yimin. Preparation and properties of normal pressure-anionic dyeable polypropylene fiber based on polyionic liquid[J]. Journal of Textile Research, 2022, 43(07): 17-21.

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纤维类型	断裂强度/(cN·dtex^-1)	断裂伸长率/%
PP纤维	5.1	24.0
改性纤维1	5.1	16.9
改性纤维2	4.4	19.3

纤维类型	结晶度	取向度
PP纤维	49.5	91.9
改性纤维1	48.1	91.5
改性纤维2	47.5	91.3

纤维类别	K/S值	L值	C值
改性纤维1	4.000 7	30.95	22.22
改性纤维2	5.450 3	43.13	24.25

基于聚离子液体的常压阴离子可染聚丙烯纤维制备及其性能

Preparation and properties of normal pressure-anionic dyeable polypropylene fiber based on polyionic liquid

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