发明授权
US5773550A Polyaddition product containing isocyanurate groups and uretdione
groups, and a process for preparing same
失效
含有异氰脲酸酯基团和脲二酮基团的加成产物及其制备方法
- 专利标题： Polyaddition product containing isocyanurate groups and uretdione groups, and a process for preparing same
- 专利标题（中）： 含有异氰脲酸酯基团和脲二酮基团的加成产物及其制备方法
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申请号： US799878申请日： 1997-02-14
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公开(公告)号： US5773550A公开(公告)日： 1998-06-30
- 发明人: Elmar Wolf
- 申请人： Elmar Wolf
- 申请人地址： DEX Marl
- 专利权人： Huels Aktiengesellschaft
- 当前专利权人： Huels Aktiengesellschaft
- 当前专利权人地址： DEX Marl
- 优先权： DEX19606030.3 19960219
- 主分类号： C08G18/32
- IPC分类号： C08G18/32 ; C08G18/78 ; C08G18/79 ; C08G18/12
摘要：
Isocyanurate- and uretdione-group-containing polyaddition product of an isophorone diisocyanate comprising the reaction product of: i) an isophorone diisocyanate which contains isocyanurate groups and uretdione groups; and ii) a diol component selected from the group consisting of a diol, a disecondary diamine, a linear hydroxyl-containing polyester and a mixture thereof, wherein said isophorone diisocyanate comprises not more than 2% by weight of free isophorone diisocyanate and .gtoreq.5 wt. % of isophorone diisocyanate isocyanurate, wherein said isophorone diisocyanate is reacted with said diol component in an NCO/OH ratio of 1:0.5-1:0.95 and/or an NCO/NH ratio of 0.5:1 0.95:1.