发明授权
- 专利标题: Process for the preparation of polyether-ester polyols
- 专利标题(中): 制备聚酯 - 酯多元醇的方法
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申请号: US426306申请日: 1982-09-29
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公开(公告)号: US4535178A公开(公告)日: 1985-08-13
- 发明人: Curtis J. Reichel
- 申请人: Curtis J. Reichel
- 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: C07C67/08
- IPC分类号: C07C67/08
摘要:
Polyether-ester polyols are prepared by reacting a polyether polyol, tetrahydrophthalic anhydride and an alkylene oxide in the presence of a catalyst selected from the group consisting of calcium naphthenate and cobalt naphthenate. These polyols may be used in preparing polyurethane products.
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