| 发明名称 |
Process for the preparation of rigid polyurethane foam |
| 摘要 |
In a process for the preparation of rigid polyurethane foam from a polyol and a polyisocyanate, it is possible to prepare rigid polyurethane foam by using an aqueous polymer emulsion comprising a polymer of ethylenically unsaturated monomers whereby the amount of chlorofluorocarbon used can be decreased or eliminated.
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| 申请公布号 |
US5668187(A) |
申请公布日期 |
1997.09.16 |
| 申请号 |
US19960646432 |
申请日期 |
1996.05.07 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC.;NIPPON NYUKAZAI CO. LTD. |
发明人 |
ASAKO, SHINICHI;UCHIDA, HAJIME |
| 分类号 |
C08G18/40;C08J9/00;(IPC1-7):C08G18/30 |
主分类号 |
C08G18/40 |
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