首页> 外国专利> Α-ALKOXYSILANE-TERMINATED PREPOLYMER FOR FAST-CURING SPRAY FOAMS WITH IMPROVED PROPELLANT GAS SOLUBILITY

Α-ALKOXYSILANE-TERMINATED PREPOLYMER FOR FAST-CURING SPRAY FOAMS WITH IMPROVED PROPELLANT GAS SOLUBILITY

机译:改进的推进剂气体溶解度的α-烷氧基硅烷封端的预聚物,用于快速固化的喷涂泡沫

摘要

The present invention relates to an α-alkoxysilane-terminated prepolymer preparable by reaction of at least one polyether polyol, of a polyisocyanate and of an α-alkoxysilane having at least one isocyanate-reactive group, said polyether polyol having a weight average of 500 to 7000 g/mol and having ethylene oxide and propylene oxide units, the proportion of ethylene oxide units being up to 50% by weight based on the polyether polyol. The invention further provides a process for preparing an inventive α-alkoxysilane-terminated prepolymer, a composition, a multicomponent system and a spray can comprising an inventive α-alkoxysilane-terminated prepolymer, and also a moulding obtainable by polymerization from an inventive α-alkoxysilane-terminated prepolymer.
机译:本发明涉及一种α-烷氧基硅烷封端的预聚物,它可以通过至少一种聚醚多元醇,多异氰酸酯和具有至少一个异氰酸酯反应性基团的α-烷氧基硅烷的反应而制备,所述聚醚多元醇的重均值为500-500。 7000g / mol并具有环氧乙烷和环氧丙烷单元,基于聚醚多元醇,环氧乙烷单元的比例最高为50重量%。本发明进一步提供了制备本发明的α-烷氧基硅烷封端的预聚物的方法,组合物,多组分体系和包含本发明的α-烷氧基硅烷封端的预聚物的喷雾罐,以及可通过聚合反应从本发明的α-烷氧基硅烷获得的模制品。封端的预聚物。

著录项

  • 公开/公告号WO2013045422A1

    专利类型

  • 公开/公告日2013-04-04

    原文格式PDF

  • 申请/专利权人 BAYER INTELLECTUAL PROPERTY GMBH;

    申请/专利号WO2012EP68833

  • 发明设计人 SCHOENBERGER JAN;

    申请日2012-09-25

  • 分类号C08G18/10;C08G18/48;C08J9/14;A61L15/26;A61L15/42;

  • 国家 WO

  • 入库时间 2022-08-21 16:34:03

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