β晶型成核剂增韧改性聚丙烯研究  

STUDY ON POLYPROPYLENE TOUGHENED BY β CRYSTALLINE FORM NUCLEATION AGENT

作　　者：窦强[1] 钱云鹏 文斌 吴琦 刘辉 王斌[2] 任巨光 吉良英 

机构地区：[1]南京化工大学高分子系,210009 [2]独山子石化公司研究院,833600 [3]江苏省塑料工业总公司,南京210008 [4]长江石油化工有限公司,太仓414004

出　　处：《现代塑料加工应用》2000年第6期11-13,共3页Modern Plastics Processing and Applications

摘　　要：研究了自制的 β晶型成核剂用量对聚丙烯力学性能的影响 ,并对 β晶型聚丙烯进行了广角X射线衍射分析。结果表明 :添加 0 5%的 β晶型成核剂 ,使一般聚丙烯的晶型发生了转变 ,拉伸强度、弯曲强度、弯曲模量有所下降 ,悬臂梁缺口冲击强度提高 4倍以上 ,断裂伸长率提高 ,适合于制造各种聚丙烯增韧制品。The influences of the amounts of β crystalline form nucleation agent on the mechanical properties of polypropylene had been studied ,and the β crystalline form polypropylene samples were analyzed by X-ray diffraction. The results showed that the crystalline form of polypropylene was transformed and the Izod notched impact strength was increased by more than four times due to adding appropriate amounts of β crystalline form nucleation agent.

关 键 词：聚丙烯 成核剂 增韧 Β晶型 力学性能 改性 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]