发明名称 |
PROCESS FOR THE PREPARATION OF POLYOL MIXTURES |
摘要 |
The invention relates to a process for the preparation of polyol mixtures comprising polyether carbonate polyol and polyol containing urethane groups, characterized in that (i) in a first step one or more alkylene oxides and carbon dioxide are added on to one or more H-functional starter substances in the presence of at least one DMC catalyst ("copolymerization"), and (ii) in a second step at least one amino-functional substance is added to the crude mixture formed in step (i), and a process for the preparation of polyurethane from these mixtures.
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申请公布号 |
US2013150526(A1) |
申请公布日期 |
2013.06.13 |
申请号 |
US201113808470 |
申请日期 |
2011.07.04 |
申请人 |
WAMPRECHT CHRISTIAN;GUERTLER CHRISTOPH;BAYER INTELLECTUAL PROPERTY GMBH |
发明人 |
WAMPRECHT CHRISTIAN;GUERTLER CHRISTOPH |
分类号 |
C08G64/42;C08G18/46;C08L69/00;C08L75/12 |
主分类号 |
C08G64/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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