发明名称 |
PROCESS FOR CONVERTING ISOCYANATE GROUP TO CARBODIIMIDE GROUP |
摘要 |
A process for the conversion of isocyanate groups to carbodiimide groups which comprises contacting the compound containing the isocyanate groups with a cyclic phosphorus compound which catalyses said conversion in the presence of a nitrogeneous base and the use of the products thereof in the manufacture of isocyanate-based polymers. |
申请公布号 |
JPS5340739(A) |
申请公布日期 |
1978.04.13 |
申请号 |
JP19770114497 |
申请日期 |
1977.09.22 |
申请人 |
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发明人 |
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分类号 |
C07B61/00;B01J31/00;C07C67/00;C07C241/00;C07C265/00;C07C265/14;C07C267/00;C07D229/00;C08G18/02;C08G18/78;C08G18/79 |
主分类号 |
C07B61/00 |
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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