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发明名称
制造PIPA-多元醇之方法PROCESS FOR MAKING A PIPA-POLYOL
摘要
本发明系关于一种用以制备含有分散型式之粒状物质之多元醇之方法,其系藉由使一种MDI–基底性多元异氰酸盐与一种当量至多为400之多元醇反应,该反应可于当量为500或以上之多元醇中进行,其中该当量为500或以上之多元醇系为一种氧乙烯含量占总氧次烃基团重量之15–49%之聚氧乙烯聚氧丙烯多元醇,其中有20–80%之氧乙烯基团系位于聚合物链之终端。
申请公布号
TW200424224
申请公布日期
2004.11.16
申请号
TW093109812
申请日期
2004.04.08
申请人
亨兹曼国际公司
发明人
盖伯尔 爱伯 福黑斯特;杰明 余
分类号
C08G18/00
主分类号
C08G18/00
代理机构
代理人
陈长文
主权项
地址
美国
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