发明授权
US4960849A Polyurethane from a copolyether of tetrahydrofuran and 3-alkyl
tetrahydrofuran
失效
来自四氢呋喃和3-烷基四氢呋喃的共聚醚的聚氨酯
- 专利标题： Polyurethane from a copolyether of tetrahydrofuran and 3-alkyl tetrahydrofuran
- 专利标题（中）： 来自四氢呋喃和3-烷基四氢呋喃的共聚醚的聚氨酯
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申请号： US172574申请日： 1988-03-24
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公开(公告)号： US4960849A公开(公告)日： 1990-10-02
- 发明人: Kazuaki Okabe , Hideyuki Ishii , Haruo Watanabe , Shuichi Takeuchi
- 申请人： Kazuaki Okabe , Hideyuki Ishii , Haruo Watanabe , Shuichi Takeuchi
- 申请人地址： JPX Tokyo
- 专利权人： Hodogaya Chemical Co., Ltd.
- 当前专利权人： Hodogaya Chemical Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX62-68764 19870325
- 主分类号： C08G18/48
- IPC分类号： C08G18/48
摘要：
A polyurethane resin composition without handling trouble is obtained by a combination of a copolyether polyol obtained by copolymerization of tetrahydrofuran and a 3-alkyl tetrahydrofuran at a mixing molar ratio of 85/15-20/80, a polyisocyanate compound and an active hydrogen atom-containing compound. The 3-alkyl tetrahydrofuran is preferably 3-methyl tetrahydrofuran.
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