发明名称 Polyether polyols with increased functionality
摘要 This invention relates to a process for the preparation an epoxide-reactive compound having a functionality of at least 3, a molecular weight of from about 250 to about 1,900, and an OH number of from about 85 to about 1,400. This process comprises reacting (a) an organic compound which is free of ether groups, having a molecular weight of from about 60 to about 600, and containing from about 2 to about 8 reactive sites; with (b) cyanuric chloride; optionally, in the presence of (c) one or more catalysts; wherein the functionality of the resultant epoxide-reactive compound equals three times the functionality of (a) said organic compound minus three. This invention also relates to further reacting the epoxide-reactive compound produced by the above process with an alkylene oxide, optionally in the presence of a catalyst to form a polyether polyol having a functionality of at least about 3, a molecular weight of from about 300 to about 18,000, and an OH number of from about 10 to about 565.
申请公布号 US6599952(B2) 申请公布日期 2003.07.29
申请号 US20010017045 申请日期 2001.12.13
申请人 BAYER CORPORATION 发明人 ADKINS RICK L.;PARSONS HAROLD R.
分类号 C08G18/50;C08G59/32;(IPC1-7):C08G18/08;C07C43/00 主分类号 C08G18/50
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