发明名称 |
PROCESS FOR THE PRODUCTION OF POLYISOCYANATES CONTAINING ISOCYANURATE GROUPS AND THE USE THEREOF AS AN ISOCYANATE COMPONENT IN POLYISOCYANATE POLYADDITION PRODUCTS |
摘要 |
<p>A PROCESS FOR THE PRODUCTION OF POLYISOCYANATES CONTAINING ISOCYANURATE GROUPS AND THE USE THEREOF AS AN ISOCYANATE COMPONENT IN POLYISOCYANATE POLYADDITION PRODUCTS The present invention is directed to a process for the production of polyisocyanates containing isocyanurate groups by trimerizing a mixture of aliphatic-cycloaliphatic diisocyanates having a sterically unhindered isocyanate group bound to a primary aliphatic carbon atom and a sterically hindered isocyanate group bound to a tertiary carbon atom which forms a part of a cycloaliphatic ring system and 1,6-diisocyanatohexane. The present invention is also directed to the polyisocyanates containing isocyanurate groups produced according to this process and to their use, optionally in blocked form, as an isocyanate component in the production of polyisocyanate polyaddition products, preferably polyurethane lacquers. Mo-2867</p> |
申请公布号 |
CA1274238(A) |
申请公布日期 |
1990.09.18 |
申请号 |
CA19860522504 |
申请日期 |
1986.11.07 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HALPAAP, REINHARD;PEDAIN, JOSEF;KREUDER, HANS-JOACHIM;KLEIN, GERHARD;ARLT, DIETER |
分类号 |
C08G18/00;C08G18/02;C08G18/06;C08G18/79;C08G63/52;(IPC1-7):C07D251/34 |
主分类号 |
C08G18/00 |
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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