发明名称 |
OLIGOMERS AND HOMOPOLYMERS OF META- OR PARA-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYLISOCYANATE |
摘要 |
<p>Aromatic solvent-soluble linear oligomers or homopolymers of meta- or para-isopropenyl- alpha , alpha -dimethylbenzylisocyanate characterized by high isocyanate content are disclosed. Such oligomers or homopolymers are made by catalytic solution polymerization of the monomer in methylene chloride and/or toluene solution at a temperature of from about -80 DEG C. to about -25 DEG C., followed by low-temperature neutralization of the polymerization catalyst.</p> |
申请公布号 |
EP0130313(B1) |
申请公布日期 |
1989.11.02 |
申请号 |
EP19840105176 |
申请日期 |
1984.05.08 |
申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
SCHAEFER, FREDERIC CHARLES |
分类号 |
C08F246/00;C08F2/04;C08F2/06;C08F8/00;C08F12/00;C08F112/14;C08G18/00;C08G18/72;C09D175/00 |
主分类号 |
C08F246/00 |
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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