热塑性聚硅氧烷-聚脲嵌段共聚物的研究进展  

Research Progress on Thermoplastic Polysiloxane-polyurea Segmented Copolymers

作　　者：张京哲 张之达[1] 张玉晗 房立营 张洁[1] 

机构地区：[1]山东大学化学与化工学院特种功能聚集体材料教育部重点实验室,济南250100

出　　处：《有机硅材料》2015年第5期411-414,共4页Silicone Material

摘　　要：综述了近年来通过聚硅氧烷与聚脲的嵌段共聚合成热塑性弹性体的相关研究进展,介绍了二元和三元嵌段共聚弹性体的合成方法,讨论了影响弹性体性能的主要因素——氢键、软链段、硬链段、扩链剂以及溶剂,总结了弹性体新合成方法和在性能提高上取得的突破,并对该领域的研究做出了展望。The research progress on the segmented thermoplastic copolymers synthesized by polysiloxanepolyurea in recent years was reviewed. The paper introduced different synthesis methods of binary and ternary segmented copolymers and discussed the factors which influenced the elastomers on hydrogen bonding,soft and hard segment,chain extender and solvents. Then it summarized some new synthesis methods and breakthrough on elastomer＇s performance as well as the prospect in the fields.

关 键 词：聚硅氧烷 聚脲 嵌段共聚 热塑性 弹性体 氨丙基封端聚二甲基硅氧烷 异氰酸酯 

分 类 号：TQ334[化学工程—橡胶工业]