| 发明名称 |
Closed-cell polyurethane foam compositions. |
| 摘要 |
<p>A process is disclosed comprising mixing selected shrinkage-minimizing halocarbons with selected two-carbon hydrogen-containing halocarbons, HCFC-123, HCFC-123a and HCFC-141b, and using this mixture as a blowing agent to produce minimal shrinkage closed-cell polyurethane foams.</p> |
| 申请公布号 |
EP0330988(A2) |
申请公布日期 |
1989.09.06 |
| 申请号 |
EP19890103075 |
申请日期 |
1989.02.22 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
BARTLETT, PHILIP LEE;CREAZZO, JOSEPH ANTHONY |
| 分类号 |
C08J9/04;C08J9/14 |
主分类号 |
C08J9/04 |
| 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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