发明授权
US5001210A Method for producing polyurethanes from poly-(hydroxyalkyl urethanes)
失效
聚(羟基烷基氨基甲酸酯)生产聚氨酯的方法
- 专利标题: Method for producing polyurethanes from poly-(hydroxyalkyl urethanes)
- 专利标题(中): 聚(羟基烷基氨基甲酸酯)生产聚氨酯的方法
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申请号: US416798申请日: 1989-10-03
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公开(公告)号: US5001210A公开(公告)日: 1991-03-19
- 发明人: Arthur J. Coury , Christopher M. Hobot
- 申请人: Arthur J. Coury , Christopher M. Hobot
- 申请人地址: MN Minneapolis
- 专利权人: Medtronic, Inc.
- 当前专利权人: Medtronic, Inc.
- 当前专利权人地址: MN Minneapolis
- 主分类号: C08G18/38
- IPC分类号: C08G18/38 ; C08G18/50 ; C08G18/61 ; C08G71/04
摘要:
By reacting polyamines with cyclic carbonates, di-poly-(hydroxyalkyl urethanes) are produced. These diols and polyols are particularly useful for the synthesis of polyurethanes by reaction with diisocyanates or polyisocyanates.
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