【作者】 王永常； 范宏； 董凯； 毛咏甬；

【Author】 WANG Yong-chang~1,FAN Hong~2,MAO Yong-yong~1,DONG Kai~1 (1.Zhejiang Institute of Energy and Nuclear technology application,Hangzhou 310012,China; 2.State Key Laboratory of Chemical Engineering Polymer Reaction Engineering Branch, Zhejiang University,Hangzhou 310027,China)

【机构】 浙江省能源与核技术应用研究院； 浙江大学化学工程联合国家重点实验室；

【摘要】 采用熔融共混法制备了聚丙烯/蒙脱土预辐射复合材料,通过X射线衍射和透射电子显微镜对复合材料中蒙脱土的分散状态进行了表征,在空气氛围下利用电子束辐照对复合材料进行辐照交联,研究了交联剂在辐照中起的作用和蒙脱土对辐照交联的影响,结果表明,没有加入交联剂的聚丙烯不能交联,在聚丙烯中加入了蒙脱土以后,在一定的辐照剂量下可以促进聚丙烯的交联,含有蒙脱土的聚丙烯交联体系力学性能得到大幅度提高。更多还原

【Abstract】 Polypropylene/ montmorillonite composite was prepared via melt compounding process.The dispersion of montmorillonite in the composite was analized by XRD(X Ray Deffraction) and TEM(Transmission Electron Microscope). Electronic radiation was applied to the composite in air.The effects of cross-linking agent and montmorillnite on polypropylene cross-linking was studied.The results indicated that cross-linking did not take place in absence of cross-linking agent,while in presence of both cross-linking agent and montmorillonite polypropylene cross-lining occurred in certain radiation dose range.The cross-linked polypropylene/momtmorillnite composite exhibited improved mechanical properties.更多还原