摘要
为提高芳纶与环氧树脂间的界面结合力,本文开发了一种新型水溶性上浆剂,该上浆剂具有环保,不改变原有工艺等特点。该上浆剂能在芳纶表面通过自组装形成一层单分子层,该单分子层可以参与环氧树脂的固化,增大复合材料层间剪切强度,上浆后界面剪切强度提高23.81%,该方法可以在不损伤芳纶本身性能前提下提高与环氧树脂间的界面剪切强度,并且可以修复纤维表面的缺陷。
A novel water-soluble sizing agent was designed for surface modification of aramid fiber. The synthesized sizing agent is environment-friendly,and the original modification process could be maintained with the new sizing agent. The sizing agent can repair defects and damages on the surface of aramid fiber to a certain extent,which could increase the mechanical properties of fiber reinforced composites. The sizing agent can self-assemble into a monomolecular layer on the aramid fiber surface,which can participate in the curing of epoxy to increase the interfacial shear strength（IFSS） of composites. The interfacial shear strength has a 23. 81% increase after sizing. This method could improve the shear strength of the interface between aramid fiber and epoxy resin without damaging aramid fiber,and repair the defects on the fiber surface.
作者
黄振振
耿志
虢忠仁
朱波
HUANG Zhenzhen;GENG Zhi;GUO Zhongren;ZHU Bo(State Key Lab for Modification of Chemical Fibers and Polymer Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China;Institute 53 of China Ordnance Industry Group,Ji＇nan 250031,China)
出处
《材料开发与应用》
CAS
2018年第3期33-38,共6页
Development and Application of Materials
基金
航空科学基金(201552M2)
关键词
上浆剂
芳纶
表面改性
sizing agent
aramid fiber
surface modification
