发明名称 |
Catalysts and methods for forming isocyanurate products, compositions of said products, and urethane prepolymers and polyurethanes formed from said products. |
摘要 |
<p>Potassium salt of 2-pyrrolidinone is used as a catalyst to cyclotrimerize an organic diisocyanate, yielding a mixture of monomeric cyclotrimerized product (isocyanurate) and oligomers thereof, soluble in common organic solvents and vinyl monomers. The catalyst can be used to make one-shot isocyanurate-crosslinked polyurethanes. Prepolymers and moisture-curing coating compositions can also be prepared.</p> |
申请公布号 |
EP0033581(A1) |
申请公布日期 |
1981.08.12 |
申请号 |
EP19810300060 |
申请日期 |
1981.01.07 |
申请人 |
UNIROYAL LTD. |
发明人 |
MISHRA, ANUPAMA |
分类号 |
C07D251/34;C08G18/00;C08G18/22;C08G18/63;C08G18/79;C09D175/00;(IPC1-7):08G18/79;08G73/06;09D3/72;05D1/00;08G18/22;07D251/34 |
主分类号 |
C07D251/34 |
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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