USE OF UREA ANDOR BIURET GROUPS CONTAINING POLYIS

专利名称：USE OF UREA AND/OR BIURET GROUPS

CONTAINING POLYISOCYANATES ASISOCYANATE COMPONENT IN THEPREPARATION OF PLASTICS BY THEREACTION INJECTION MOLDING PROCESS

发明人：RASSHOFER, WERNER, DR.,PAUL, REINER,

DR.,SEEL, KLAUS, DR.,WEBER, CHRISTIAN, DR.

申请号：EP86105862.6申请日：19860428公开号：EP0204141B1公开日：19900919

摘要：a process for the production of urea and \\/ or biuretgruppen broken

polyisocyanat preparations with an nco content of from 0.7 to 45 wt. -% by application oforganic polyisocyanaten with mixtures of (a) organic compounds of the

molekulargewichtsbereichs 500 to 20.000 with at least two opposite isocyanatgruppenreactive groups and (b) organic compounds of the molekulargewichtsbereichs 60 to 499with at least two opposite isocyanatgruppen reactive groups with a

\äquivalentverh\ältnisses of isocyanatgruppen g soec isocyanatgruppenreactive groups of 2: 1 to 100: 1where as the components (a) and \\/ or (b) at leastpartially amine groups (compounds are used, the thus obtained polyisocyanatpreparations and their use in the manufacture of plastics by the isocyanate -polyadditionsverfahren particularly in the production of the form plastics and a densityof 0.8 to 1.4 g \\/ cm3 after reaktionsspritzgu\ßtechnik.

申请人：BAYER AG,BAYER AG

地址：D-5090 LEVERKUSEN 1 BAYERWERK,D-5090 LEVERKUSEN 1 BAYERWERK

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