发明授权
- 专利标题： Hydrofluorocarbon blown foam and method for preparation thereof
- 专利标题（中）： 氢氟烃吹泡沫及其制备方法
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申请号： US10350846申请日： 2003-01-24
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公开(公告)号： US07288211B2公开(公告)日： 2007-10-30
- 发明人: Mary Charlotte Bogdan , Leslie Bruce Bement , Barbara Ruth Decaire , Dennis Paul Konopa , Harold John Kieta , Rajiv Ratna Singh
- 申请人： Mary Charlotte Bogdan , Leslie Bruce Bement , Barbara Ruth Decaire , Dennis Paul Konopa , Harold John Kieta , Rajiv Ratna Singh
- 申请人地址： US NJ Morristown
- 专利权人： Honeywell International Inc.
- 当前专利权人： Honeywell International Inc.
- 当前专利权人地址： US NJ Morristown
- 代理商 Colleen D. Szuch
- 主分类号： C08J9/12
- IPC分类号： C08J9/12
摘要：
The invention relates to the addition of α-methyl styrene, isobutanol and/or isopropanol to reduce vapor pressure, improve k-factor, enhance the solubility of the blowing agent in the premix and/or improve the processing characteristics of polyurethane and polyisocyanurate closed-cell foams prepared with a blowing agent comprising a hydrofluorocarbon selected from the group consisting of 1,1,1,3,3-pentafluoropropane, 1,1,1,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, and mixtures thereof.
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