发明授权
- 专利标题： Membranes comprising microporous structure
- 专利标题（中）： 包含微孔结构的膜
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申请号： US700791申请日： 1985-02-11
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公开(公告)号： US4595707A公开(公告)日： 1986-06-17
- 发明人: Kathleen M. McCreedy , Edward J. Kramer , Lu H. Tung
- 申请人： Kathleen M. McCreedy , Edward J. Kramer , Lu H. Tung
- 申请人地址： MI Midland
- 专利权人： The Dow Chemical Company
- 当前专利权人： The Dow Chemical Company
- 当前专利权人地址： MI Midland
- 主分类号： B01D67/00
- IPC分类号： B01D67/00 ; C08J7/16 ; C08G18/14
摘要：
Membrane compositions useful in filtration and distillation applications are prepared by providing a glassy polymer composition (e.g., polystyrene) optionally having an amount of crosslinking and crazing the polymer composition in the presence of a monomer (e.g., methyl methacrylate) which can graft to said polymer composition. The membrane compositions so prepared comprise a microporous structure wherein the micropores can contain polymeric material. Alternatively, the surface region of the membrane composition and/or the surface region of the micropores has a polymeric material grafted thereto.
公开/授权文献
- US4023522A Attenuation spot filters and manufacturing process 公开/授权日：1977-05-17
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