成核效应对聚乙烯性能影响的研究进展  

Research Progress of Nucleation Effect on the Properties of Polyethylene

作　　者：叶纯麟 肖明威 郭宁 杨天慧 Ye Chunlin;Xiao Mingwei;Guo Ning;Yang Tianhui(Shanghai Research Institute of Chemical Industry Co.,Ltd.,Shanghai 200062,China;State Key Laboratory of Polyolefins and Catalysis,Shanghai 200062,China;Shanghai Key Laboratory of Catalysis Technology for Polyolefins,Shanghai 200062,China)

机构地区：[1]上海化工研究院有限公司,上海200062 [2]聚烯烃催化技术与高性能材料国家重点实验室,上海200062 [3]上海市聚烯烃催化技术重点实验室,上海200062

出　　处：《上海塑料》2020年第1期1-8,共8页Shanghai Plastics

基　　金：国家自然科学基金(U1663222);聚烯烃催化技术与高性能材料国家重点实验室项目(20190101)。

摘　　要：分析了在聚乙烯制品制备过程中,成核效应对制品结晶形态及制品性能的影响。结果表明:在特定加工条件下,特殊结构的聚乙烯通过成核结晶过程,使制品的拉伸屈服强度提升至常规聚乙烯制品的500%以上,这对聚乙烯产品性能的进一步提升及聚乙烯新产品开发有着重要意义。The effects of nucleation effect on crystallization morphology and properties of polyethylene products were analyzed.The results show that under specific processing conditions,the tensile yield strength of polyethylene products with special structure was increased to more than 500%of that of conventional polyethylene products through nucleation and crystallization process,which is of great significance to the further improvement of the properties of polyethylene products and the development of new polyethylene products.

关 键 词：成核剂 聚乙烯 结晶 力学性能 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]