发明授权
- 专利标题: Process for producing highly water-absortive polymers
- 专利标题(中): 生产高水不溶性聚合物的方法
-
申请号: US824870申请日: 1992-01-22
-
公开(公告)号: US5185413A公开(公告)日: 1993-02-09
- 发明人: Kenji Yoshinaga , Toshiko Nakamura , Kiichi Itoh
- 申请人: Kenji Yoshinaga , Toshiko Nakamura , Kiichi Itoh
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Petrochemical Company Limited
- 当前专利权人: Mitsubishi Petrochemical Company Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-121685 19890516
- 主分类号: A61L15/60
- IPC分类号: A61L15/60 ; C08F2/00 ; C08F20/04
摘要:
There is provided a process for producing a substantially water-insoluble, highly water-absorptive polymer which comprises subjecting an aqueous solution of a monomer comprising as a main component acrylic acid and/or its alkali metal salt to polymerization in the presence of a hypophosphorous acid compound.
公开/授权文献
信息查询
IPC分类: