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不同改性尼龙短纤维增强天然橡胶复合材料的性能 被引量:1

Influence of Different Modified Nylon Short Fiber on Properties of Rubber Composites
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摘要 用偶联剂KH550、KH560、KH570、NXT和H3PO_4刻蚀对尼龙短纤维进行表面改性,将改性后的尼龙短纤维与天然橡胶制成母炼胶,然后用母炼胶制备尼龙短纤维-天然橡胶复合材料。通过力学性能测试以及RPA检测等手段,分析不同偶联剂和H3PO_4刻蚀改性尼龙短纤维对复合材料综合性能的影响,发现用偶联剂KH570处理尼龙短纤维是改善复合材料综合性能较好的方法。在偶联剂KH570处理的尼龙短纤维基础之上添加不同相溶剂制备复合材料,通过力学性能测试分析不同相溶剂对综合性能的影响,并用扫描电镜(SEM)对复合材料断口形貌进行观察和分析,发现添加进口相溶剂能有效提高偶联剂KH570处理的尼龙短纤维在天然橡胶中的分散性,同时也能减少复合材料表面的孔洞即提高了尼龙短纤维与天然橡胶之间的界面粘结力。 The surface modification of nylon short fiber with coupling agent KH550,KH560,KH570,NXT and H3PO4etching will be changed after the nylon short fiber and made of natural rubber masterbatch,m asterbatch and preparation of nylon short fiber rubber composites.The mechanical properties testing and RPA testing methods,analysis of different coupling agents and H3PO4modified nylon short fiber etching effect on the properties of the composite material with coupling agent KH570nylon short fiber m ethod is to improve the com prehensive pro p eZ esof the com posite are better.The com posites were prepared by adding different solvents on the basis of the nylonshort fiber treated with coupling agent KH570,and the effects of different solvents on the properties of the composites were analyzed by means of m echanical properies test.By scanning electron microscope(SEM)observation and analysis of fracture morphology,found that adding imported solvent can improve the dispersibility in rubber nylon short fiber KH570coupling agent,but also can reduce the poresurace of composite materal that improves the interacial adhesion between nylon short fiber and natural rubber.
作者 孙云波 鲁学峰 廖丹萍 张毅 郝智 Sun Yunbo;Lu Xuefeng;Liao Danping;Zhang Yi;Hao Zhi(College of Materials Science and Metallurgy Engineering,Guizliou University ,Guiyang 550025, P. R.China;Guizhou Key Laboratory of Rubber Structure and Properties,Guiyang 550025,P.R.China)
出处 《科学技术与工程》 北大核心 2017年第33期236-241,共6页 Science Technology and Engineering
基金 贵大(国)创字2016(014) 黔科合LH字[2014]7608资助
关键词 尼龙短纤维 天然橡胶 表面改性 粘结力 nylon fiber natural rubber surace modification adhesion force
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