发明名称 |
Process for preparing low-density flexible polyurethane foams, and the polyurethane foams obtained. |
摘要 |
<p>A process for preparing low-density flexible polyurethane foams obtained, in the absence of expanding agents of chlorofluoroalkane type, by the polycondensation of an organic polyisocyanate with at least one polyol of equivalent weight exceeding 50 and functionality equal to or greater than 2, in the presence of an expanding system comprising water and dimethyl carbonate (DMC).</p> |
申请公布号 |
EP0582328(A1) |
申请公布日期 |
1994.02.09 |
申请号 |
EP19930202042 |
申请日期 |
1993.07.10 |
申请人 |
ENICHEM S.P.A. |
发明人 |
STEFANI, DARIO;SAM, FELIX OKON;LUNARDON, GIANFLAVIO |
分类号 |
C08J9/08;(IPC1-7):C08J9/08;C08K5/10 |
主分类号 |
C08J9/08 |
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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