发明名称 |
Preparation of composite polymers containing active hydrogen atoms |
摘要 |
Composite polymers, especially composite polyols containing active hydrogen atoms can be prepared by polymerizing one or more olefinically unsaturated compounds in the presence of a liquid polymer containing active hydrogen atoms and a modified initiator; the modification comprising the reaction between a liquid polymer containing one or more groups which can react with isocyanato groups and a compound containing two or more isocyanato groups which has been partially converted by reacting it with an organic hydroperoxide or a free-radical initiator also containing additional active hydrogen atoms. The composite polymers exhibit a stable dispersed polymer phase and can be suitably applied as starting materials for polyurethane foams.
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申请公布号 |
US4396749(A) |
申请公布日期 |
1983.08.02 |
申请号 |
US19820355083 |
申请日期 |
1982.03.05 |
申请人 |
SHELL OIL COMPANY |
发明人 |
VAN BALLEGOOIJEN, HENDRIK;CHADWICK, JOHN C. |
分类号 |
C08F2/00;C08F283/00;C08G18/63;(IPC1-7):C08L25/00 |
主分类号 |
C08F2/00 |
代理机构 |
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代理人 |
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地址 |
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