发明授权
- 专利标题： Preparation process of polyimide
- 专利标题（中）： 聚酰亚胺的制备方法
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申请号： US612461申请日： 1990-11-14
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公开(公告)号： US5210174A公开(公告)日： 1993-05-11
- 发明人: Shoji Tamai , Hideaki Oikawa , Masahiro Ohta , Akihiro Yamaguchi
- 申请人： Shoji Tamai , Hideaki Oikawa , Masahiro Ohta , Akihiro Yamaguchi
- 申请人地址： JPX Tokyo
- 专利权人： Mitsui Toatsu Chemicals, Inc.
- 当前专利权人： Mitsui Toatsu Chemicals, Inc.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-301868 19891122
- 主分类号： C08G73/10
- IPC分类号： C08G73/10
摘要：
In a process for the preparation of polyimide by reacting a diamine compound with tetracarboxylic dianhydride in a phenol based solvent, an improved process for reacting the diamine compound with tetracarboxylic dianhydride in a solution by forming separate solutions of the tetracarboxylic dianhydride and the diamine compound and mixing the solutions and/or by dissolving tetracarboxylic dianhydride in the phenol-based solvent containing an organic base.
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