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1. 发明申请

US20070142608A1 Process for the preparation of polyaddition compounds 审中-公开
标题翻译：制备加聚化合物的方法
公开(公告)号：US20070142608A1
公开(公告)日：2007-06-21
申请号：US11638626
申请日：2006-12-13
申请人： Hans Laas , Bernd Sojka , Michael Grahl , Josef Sanders , Wolfgang Fischer , Reinhard Halpaap
发明人： Hans Laas , Bernd Sojka , Michael Grahl , Josef Sanders , Wolfgang Fischer , Reinhard Halpaap
IPC分类号： C08G18/00
CPC分类号： C08G18/798 , C08G18/0895 , C08G18/12 , C08G18/227 , C08G18/2825 , C08G18/4277 , C08G18/664 , C08G2150/20 , C08G18/42
摘要： The present invention relates to a novel process for the preparation of polyaddition products, to the products obtainable by this process and to their use as starting components in the production of polyurethane plastics. The process includes the reaction of A) polyisocyanates with uretdione groups having a mean isocyanate functionality of at least 2.0, optionally with the concomitant use of B) other diisocyanates and/or polyisocyanates, different from A, in an amount of up to 70 wt. %, based on the total weight of components A) and B), with C) polyols in the molecular weight range 62-2000 having a mean functionality of at least 2.0, or mixtures of polyols and optionally D) other isocyanate-reactive monofunctional compounds in an amount of up to 40 wt. %, based on the total weight of components C) and D). An equivalent ratio of isocyanate groups to isocyanate-reactive groups of 1.8:1 to 0.6:1 is maintained in the reactants, and the reaction is carried out in the presence of at least one bismuth-containing catalyst.
摘要翻译：本发明涉及一种制备加聚产物的新方法，可通过该方法获得的产品及其作为聚氨酯塑料生产中起始组分的用途。该方法包括A）多异氰酸酯与平均异氰酸酯官能度至少为2.0的脲二酮基团的反应，任选地伴随使用B）与A不同的其它二异氰酸酯和/或多异氰酸酯，其量高达70wt。基于组分A）和B）的总重量，C）分子量范围为62-2000的平均官能度至少为2.0的多元醇，或多元醇和任选的D）混合物的其它异氰酸酯反应性单官能化合物其量可高达40wt。％，基于组分C）和D）的总重量。在反应物中保持异氰酸酯基与异氰酸酯反应性基团的当量比为1.8:1至0.6:1，反应在至少一种含铋催化剂存在下进行。

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