新材料与新技术

硅烷交联UHMWPE纤维的在线制备及抗蠕变性能研究

  • 陶德昌 ,
  • 文鑫 ,
  • 严坤 ,
  • 杨晨光 ,
  • 王雯雯 ,
  • 王栋
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  • 1.武汉纺织大学纺织纤维及制品教育部重点实验室,武汉 430200;
    2.东华大学纺织科技创新中心,上海 200051
陶德昌(1998-),男,硕士研究生,研究方向为纤维材料改性,E-mail:Wtu_TDC1112@163.com。
杨晨光(1988-),男,副教授,研究方向为高性能纤维及功能化、电磁屏蔽高分子复合材料、高分子辐射改性及功能化领域,E-mail:cgyang@wtu.edu.cn。

收稿日期: 2024-05-20

  修回日期: 2024-11-28

  网络出版日期: 2025-05-21

基金资助

国家自然科学基金青年项目(12205225);国家自然科学基金面上项目(52373063);国家自然科学基金联合项目(U20A20257)

On-line preparation and creep resistance of silane crosslinked UHMWPE fibers

  • Tao Dechang ,
  • Wen Xin ,
  • Yan Kun ,
  • Yang Chengguang ,
  • Wang Wenwen ,
  • Wang Dong
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  • 1. Key Laboratory of Textile Fiber and Products,Ministry of Education,Wuhan Textile University,Wuhan 430200;
    2. Donghua University Textile Science and Technology Innovation Center,Shanghai 200051

Received date: 2024-05-20

  Revised date: 2024-11-28

  Online published: 2025-05-21

摘要

通过凝胶纺丝工艺制备硅烷偶联剂KH-590交联的超高分子量聚乙烯(UHMWPE)复合纤维,研究了UHMWPE纤维改性前后的结晶行为、力学性能、抗蠕变性能和微观形貌的变化,系统探究了硅烷偶联剂对复合纤维抗蠕变性能的作用关系。结果表明:当KH-590含量为2%时,UHMWPE纤维的凝胶率基本达到饱和。KH-590交联后样品的抗蠕变性能显著提高,当KH-590含量为2%时,UHMWPE的抗蠕变性能最佳。随着分子量的增加以及偶联剂含量的增加,UHMWPE纤维的结晶度、热稳定性能、凝胶含量均得到显著增强。这为UHMWPE纤维的抗蠕变性能改性方法提供了一定的实验依据,有望为制备高抗蠕变UHMWPE复合纤维提供参考。

本文引用格式

陶德昌 , 文鑫 , 严坤 , 杨晨光 , 王雯雯 , 王栋 . 硅烷交联UHMWPE纤维的在线制备及抗蠕变性能研究[J]. 化工新型材料, 2025 , 53(5) : 83 -89 . DOI: 10.19817/j.cnki.issn1006-3536.2025.05.044

Abstract

Silane coupling agent KH-590 crosslinked ultrahigh molecular weight polyethylene (UHMWPE) composite fibers were prepared by gel spinning process,then the changes in crystalline behavior,mechanical properties,creep resistance,and microstructure of ultra-high molecular weight polyethylene (UHMWPE) fibers before and after modification were investigated,and the relationship between the silane coupling agent and the creep resistance of the composite fibers was systematically explored.The results indicated that when the KH-590 content was 2%,the gel content of UHMWPE fibers reached a basic saturation.After crosslinking with KH-590,the creep resistance of the samples was significantly improved,with the optimal creep resistance of UHMWPE observed at a KH-590 content of 2%.With the increases of molecular weight and coupling agent content,the crystallinity,thermal stability,and gel content of UHMWPE fibers were significantly enhanced.This study provides an experimental basis for the modification method of the creep resistance of UHMWPE fibers,which is expected to provide a reference for the preparation of high creep-resistant UHMWPE composite fibers.

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