微发泡聚丙烯共混改性研究进展  

Research progress on blending modification of micro-foamed PP

作　　者：唐婧[1] 程鹏飞[1] 慕雪梅[1] 李广全[1] Tang Jing;Cheng Pengfei;Mu Xuemei;Li Guangquan(Lanzhou Petrochemical Research Center,Petrochemical Research Institute,PetroChina Company Limited,Lanzhou 730060,China)

机构地区：[1]中国石油天然气股份有限公司石油化工研究院兰州化工研究中心,甘肃兰州730060

出　　处：《合成树脂及塑料》2024年第4期61-66,72,共7页China Synthetic Resin and Plastics

摘　　要：综述了微发泡聚丙烯(PP)制备中常用的化学发泡剂和物理发泡剂,以及近几年有关微发泡PP共混改性用无机填料和有机填料对其发泡性能和力学性能的影响。经共混改性的微发泡PP泡孔直径为1~100μm,泡孔密度达1×10^(10)个/cm^(3)。分析了微发泡PP的发展现状及应用前景,以进一步促进新产品开发。The commonly used chemical foaming agents and physical foaming agents for micro-foamed polypropylene(PP)production are introduced.The effects of fillers for PP blending modification on its foaming properties and mechanical properties are reviewed,including inorganic fillers and organic fillers.The cell size of the modified PP material can reach 1 to 100μm,the cell density can reach 1×10^(10) cell/cm^(3).The research status and application prospects of micro-foamed PP are analyzed to further promote the development of new products.

关 键 词：微发泡聚丙烯 发泡剂 共混改性 无机填料 有机填料 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]