发明名称 |
Method for producing prepolymers containing isocyanate groups and urethane groups |
摘要 |
The invention relates to a method for producing prepolymers containing isocyanate groups and urethane groups. The inventive method comprises the following steps a) at least one polyisocyanate having a stoichiometric deficit of at least one t compound is reacted with at least two hydrogen atoms reacting with isocyanate groups, and b) the reaction product from step a) is distilled by means of a molecular evaporator.
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申请公布号 |
US2005020798(A1) |
申请公布日期 |
2005.01.27 |
申请号 |
US20040496746 |
申请日期 |
2004.05.26 |
申请人 |
BARTZ THOMAS;SCHMIDT HANS ULRICH;TIETZE KATRIN;OCHSE MICHAEL;THIELE KAI;MURRAT IMBRIDT |
发明人 |
BARTZ THOMAS;SCHMIDT HANS ULRICH;TIETZE KATRIN;OCHSE MICHAEL;THIELE KAI;MURRAT IMBRIDT |
分类号 |
C09K3/10;C08G18/10;C09D175/04;C09J175/04;(IPC1-7):C08G18/00;C08G18/30;C08G18/38;C08G18/48;C08G18/52 |
主分类号 |
C09K3/10 |
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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