氯丁橡胶/有机粘土纳米复合材料的拉伸诱导结晶行为研究  

Strain-induced Crystallization Behavior of Chloroprene Rubber/Organic Clay Nanocomposites

作　　者：梁玉蓉 谭英杰 张剑平 张涛 王林艳 LIANG Yurong;TAN Yingjie;ZHANG Jianping;ZHANG Tao;WANG Linyan(Taiyuan Institute of Technology,Taiyuan 030008,China)

机构地区：[1]太原工业学院材料工程系,山西太原030008

出　　处：《橡胶工业》2018年第12期1325-1330,共6页China Rubber Industry

基　　金：国家自然科学基金资助项目(51573124)

摘　　要：通过熔体插层法制备氯丁橡胶(CR)/有机粘土纳米复合材料(CRCNs),研究有机粘土用量对CRCNs拉伸诱导结晶行为的影响。结果表明:随着应变增大,CRCNs的应力增大,当应变达到一定值时,应力迅速增大,诱导结晶集中产生;随着有机粘土用量增大,CRCNs发生拉伸诱导结晶行为的应变增大;当有机粘土用量为5份时,CRCNs的拉伸性能较好,CRCNs中橡胶分子链成功插层进入有机粘土片层,有效扩大了有机粘土层间距,有机粘土与橡胶基体界面作用较强,在橡胶基体中的分散较均匀。The chloroprene rubber/organic clay nanocomposites(CRCNs)were prepared by melt intercalation method,and the effect of the amount of organic clay on the strain-induced crystallization behavior of CRCNs was investigated.The results showed that,with the increase of strain,the stress of CRCNs increased,and when the strain reached a certain value,the induced crystallization occurred and the stress increased rapidly.With the increase of the amount of organic clay,the strain level of CRCNs initiating strain-induced crystallization behavior increased.When the amount of organic clay was 5 phr,the tensile properties of CRCNs were good,the rubber molecular chains in CRCNs were successfully intercalated into the organic clay layers,which effectively enlarged the spacing of organic clay layers,the interfacial interaction between organic clay and rubber matrix was strong,and the dispersion of organic clay in rubber matrix was quite uniform.

关 键 词：氯丁橡胶 有机粘土 纳米复合材料 拉伸诱导结晶 

分 类 号：TQ333.5[化学工程—橡胶工业] TQ330.383