| 发明名称 |
Activated isocyanate prepolymers and a process for the production of elastomeric polyurethane resins |
| 摘要 |
This invention relates to isocyanate prepolymers activated with alkyl ureas and to a two-stage process for the production of polyurethane elastomers based on 1,5-naphthylene diisocyanate, using alkyl ureas as activators.
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| 申请公布号 |
US4330656(A) |
申请公布日期 |
1982.05.18 |
| 申请号 |
US19790081982 |
申请日期 |
1979.10.04 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
GROEGLER, GERHARD;KALLERT, WILHELM |
| 分类号 |
C08G18/00;C08G18/16;C08G18/18;C08G18/76;C08G18/78;C08K5/21;(IPC1-7):C08G18/32 |
主分类号 |
C08G18/00 |
| 代理机构 |
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