摘要
为改善UHMWPE纤维与树脂基体之间的界面黏接性能,采用PEW-g-MAH/St对UHMWPE纤维进行上浆改性处理,并进行纤维拔出试验,测试纤维的红外光谱和表面形态,同时对纤维的拔出过程进行有限元分析。结果表明:功能涂层能够显著提高纤维与基体之间界面层抵抗损伤和耐冲击的能力;改性纤维的拔出强度可达到1.341 MPa,比未处理纤维提升了58.70%;改性纤维表面至少引入了两种不同种类的极性基团,这对改善UHMWPE纤维与树脂基体的界面性能有积极的帮助作用。
In order to improve the interfacial adhesion performance between UHMWPE fiber and resin matrix,the UHMWPE fiber was modified by PEW-g-MAH/St,and the single fiber pull-out test was carried out.The infrared spectrum and surface morphology of the fiber were tested,and the fiber pull-out process was analyzed by finite element method.The results show that the functional coating can significantly improve the resistance to damage and impact of the interface layer between the fiber and the matrix.The pull-out strength of the modified fiber can reach 1.341 MPa,which is 58.70%higher than that of the untreated fiber.At least two different kinds of polar groups are introduced onto the fiber’s surface,which has a positive effect on improving the interface performance between UHMWPE fiber and resin matrix.
作者
田永龙
郭腊梅
Tian Yonglong;Guo Lamei(College of Textiles,Donghua University,Shanghai 201620,China;Engineering Research Center of Technical Textile,Ministry of Education,Donghua University,Shanghai 201620,China)
出处
《针织工业》
北大核心
2021年第2期27-30,共4页
Knitting Industries
基金
中央高校基本科研业务费专项资金(102552016011)
作者简介
田永龙(1988-),男,博士生。主要从事超高分子量聚乙烯纤维表面涂层改性方面的研究;通讯作者:郭腊梅(1962-),女,教授,博士。E-mail:dhlmguo@163.com。
