发明名称 |
PROCESS FOR PRODUCING FOAMS |
摘要 |
HOE 89/F 386K of the disclosure Process for producing foams The invention relates to a process for producing foams based on polyisocyanates by reacting polyisocyanates, compounds having at least two hydrogen atoms reactive towards isocyanate groups, blowing agents and, if appropriate, further additives. In this process, a blowing agent is used which is composed to the extent of at least 10 mol % of one or more fluorinated ethers of the formula I CaHbFc - O - CdHeFf where a = 1-6 d = 1-2 b = 1-12 e = 0-5 c = 1-12 f = 0-5. |
申请公布号 |
CA2031681(A1) |
申请公布日期 |
1991.06.08 |
申请号 |
CA19902031681 |
申请日期 |
1990.12.06 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
BEHME, KLAUS-JURGEN;DEGER, HANS-MATTHIAS |
分类号 |
C08G18/00;C08J9/14;C08K5/06;C08L75/04 |
主分类号 |
C08G18/00 |
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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