Mechanical Properties and Interfacial Interaction of Modified Calcium Sulfate Whisker]Poly(Vinyl Chloride)Composites

查看全文 作　　者：Wenjin [1,2]Yuan;Jiayang [1,2]Cui;Shiai [1,2]Xu

机构地区：[1]The Chemical Engineering College of Qinghai University, Xining 810016, China;[2]Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

出　　处：《Journal of Materials Science & Technology》索引2016年第32卷第12期,共9页

基　　金：financially supported by the National Natural Science Foundation of China(U 1507123);the Foundation from Qinghai Science and Technology Department(2014-HZ-817);Kunlun Scholar Award Program of Qinghai Province 摘　　要：Calcium sulfate whiskers(CSWs) modified with glutaraldehyde-crosslinked poly(vinyl alcohol)(PVA) or traditional surface modifiers,including silane coupling agent,titanate coupling agent and stearic acid,were used to strengthen poly(vinyl chloride)(PVC),and the morphologies,mechanical and heat resistant properties of the resulting composites were compared.The results clearly show that glutaraldehyde cross-linked PVA modified CSW/PVC composite(c PVA@CSW/PVC) has the strongest interfacial interaction,good and stable mechanical and heat resistant properties.Nielsen's modified Kerner's equation for Young's modulus is better than other models examined for the CSW/PVC composites.The half debonding angle θ of c PVA@CSW/PVC composite is lower than that of other composites except silane coupling agent modified CSW/PVC composites,indicating a very strong interfacial adhesion between c PVA@CSW and PVC.In general,cross-linked PVA is effective and environmentally friendly in modifying inorganic fillers. 关键词：PVC复合材料界面相互作用表面改性剂硫酸钙晶须聚氯乙烯力学性能交联聚乙烯醇 Nielsen

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Mechanical Properties and Interfacial Interaction of Modified Calcium Sulfate Whisker]Poly(Vinyl Chloride)Composites

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