发明授权
- 专利标题： Preparation of polyisocyanate polyaddition products
- 专利标题（中）： 多异氰酸酯加成产物的制备
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申请号： US09305946申请日： 1999-05-06
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公开(公告)号： US06329440B2公开(公告)日： 2001-12-11
- 发明人: Dietrich Scherzer , Ulrich Treuling , Martin Kreyenschmidt , Anton Kappes , Klaus Pittrich
- 申请人： Dietrich Scherzer , Ulrich Treuling , Martin Kreyenschmidt , Anton Kappes , Klaus Pittrich
- 优先权： DE19820917 19980509; DE19851880 19981110
- 主分类号： C08L7500
- IPC分类号： C08L7500
摘要：
In a process for preparing polyisocyanate polyaddition products by reacting isocyanates with compounds which are reactive toward isocyanates, in the presence or absence of blowing agents, catalysts, auxiliaries and/or additives, the reaction is carried out in the presence of (i) particles which have a size of
公开/授权文献
- US20010003122A1 PREPARATION OF POLYISOCYANATE POLYADDITION PRODUCTS 公开/授权日：2001-06-07
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