纺织学报 ›› 2019, Vol. 40 ›› Issue (07): 103-107.doi: 10.13475/j.fzxb.20180506605

• 染整与化学品 • 上一篇    下一篇

低温等离子体在涤纶表面改性中的应用

张欢1, 闫俊1(), 王晓武1, 焦安东1, 李红1, 郑来久1, 何婷婷2   

  1. 1. 大连工业大学 纺织与材料工程学院, 辽宁 大连 116034
    2. 国家知识产权局专利局专利审查协作北京中心, 北京 100160
  • 收稿日期:2018-05-28 修回日期:2019-04-17 出版日期:2019-07-15 发布日期:2019-07-25
  • 通讯作者: 闫俊
  • 作者简介:张欢(1996-),男,硕士生。主要研究方向为等离子体改性技术。
  • 基金资助:
    辽宁省博士科研启动基金项目(201601270);辽宁省科技厅科学事业公益研究基金项目(20170052)

Application of low temperature plasma in surface modification of polyester fiber

ZHANG Huan1, YAN Jun1(), WANG Xiaowu1, JIAO Andong1, LI Hong1, ZHENG Laijiu1, HE Tingting2   

  1. 1. School of Textile and Material Engineering, Dalian Polytechnic University, Dalian, Liaoning 116034, China
    2. Patent Examination Cooperation(Beijing) Center of the Patent Office, China National Intellectual Property Administration, Beijing 100160, China
  • Received:2018-05-28 Revised:2019-04-17 Online:2019-07-15 Published:2019-07-25
  • Contact: YAN Jun

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摘要：

针对涤纶亲水性能差的问题,采用低温等离子体对涤纶织物进行表面改性处理,探究在气压为300 Pa,功率为5.5 W时介质阻挡放电等离子体对涤纶织物性能的影响。测定处理后织物的动摩擦因数、强力、亲水性等性能以及放置过程中的性能变化,并对涤纶的微观形态以及表面化学成分进行表征,分析涤纶的等离子体改性机制。结果表明:等离子体对涤纶表面刻蚀,在纤维表面产生裂痕和空洞,增大了纤维的表面积;动摩擦因数随着等离子体处理时间的延长而增大,强力随处理时间的延长而降低,最高降低了25%;处理后织物的毛细效应提高了75%,对水的接触角降低了33.3%,涤纶表面羟基增多,有效改善涤纶的吸湿性与亲水性;等离子体处理涤纶具有一定的时效性。

关键词: 等离子体, 涤纶织物, 介质阻挡放电, 亲水性, 摩擦因数

Abstract:

In view of the problem of poor hydrophilicity of polyester, the surface modification of polyester fabric was carried out by low temperature plasma. The influence of dielectric barrier discharge plasma on the performance of polyester fabric was investigated under the pressure of 300 Pa and power of 5.5 W. The dynamic friction coefficient, strength, hydrophilicity and other properties of the treated fabric were measured, and the microscopic morphology and surface chemical composition of the polyester fiber were characterized. The mechanism of plasma-modified polyester was proposed. The results show that the plasma etches the polyester surface to generate cracks and voids on the surface of the fiber, which increases the surface area of the polyester fiber. The dynamic friction coefficient increases with the increase of plasma treatment time, and the strength decreases by up to 25% with the increase of treatment time. The capillary effect of the treated fabric is increased by 75%, the contact angle to water is reduced by 33.3%, and the surface hydroxyl of the polyester is increased, which effectively improves the hygroscopicity and hydrophilicity of the polyester. The plasma treated polyester has certain timeliness.

Key words: plasma, polyester fabric, dielectric barrier discharge, hydrophilicity, friction coefficient

中图分类号: 

  • TS156

图1

等离子体处理时间对纤维动摩擦因数的影响"

图2

等离子体处理时间对织物毛效的影响"

图3

等离子体处理时间对织物接触角的影响"

表1

等离子体处理时间对织物断裂强力的影响"

处理时间/s 断裂强力/N 强度降低率/%
0 783 0
15 613 21.7
30 595 24.0
60 586 25.1
120 493 37.0

图4

等离子体处理前后涤纶的红外光谱图"

图5

等离子体处理前后涤纶的SEM照片"

图6

等离子体处理涤纶原理"

图7

等离子体处理后放置时间与接触角关系"

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