发明授权
US4284728A HR foams made with reactive polyol compositions having improved stability
失效
用反应性多元醇组合物制成的具有改善的稳定性的HR泡沫
- 专利标题： HR foams made with reactive polyol compositions having improved stability
- 专利标题（中）： 用反应性多元醇组合物制成的具有改善的稳定性的HR泡沫
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申请号： US146954申请日： 1980-05-05
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公开(公告)号： US4284728A公开(公告)日： 1981-08-18
- 发明人: John G. Demou , Edward R. Pray , Robert L. McBrayer
- 申请人： John G. Demou , Edward R. Pray , Robert L. McBrayer
- 申请人地址： MI Wyandotte
- 专利权人： BASF Wyandotte Corporation
- 当前专利权人： BASF Wyandotte Corporation
- 当前专利权人地址： MI Wyandotte
- 主分类号： C08G18/08
- IPC分类号： C08G18/08 ; C08G18/32 ; C08G18/14
摘要：
HR or high resiliency polyurethane foams having improved processing stability are prepared from reactive urethane formation promoting active hydrogen-containing compositions which have been pre-treated with carbon dioxide or a weak acid. The pre-treated active hydrogen-containing composition is, then, reacted with an organic polyisocyante to form the foams hereof.
公开/授权文献
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