发明授权
- 专利标题： Semipermeable membranes prepared from polymers containing pendent sulfone groups
- 专利标题（中）： 半透膜由含有侧枝基团的聚合物制备
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申请号： US357366申请日： 1982-03-12
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公开(公告)号： US4427419A公开(公告)日： 1984-01-24
- 发明人: George S. Li
- 申请人： George S. Li
- 申请人地址： OH Cleveland
- 专利权人： The Standard Oil Company
- 当前专利权人： The Standard Oil Company
- 当前专利权人地址： OH Cleveland
- 主分类号： B01D53/22
- IPC分类号： B01D53/22 ; B01D71/50 ; B01D71/52 ; B01D71/66 ; B01D71/82 ; C07C7/144
摘要：
Semipermeable membranes useful for separating gaseous mixtures of carbon dioxide and methane into enriched fractions of each are prepared from at least one polymer containing a preponderance of arylene units, such as polyxylene oxide, the arylene units containing pendent sulfone groups substituted with an aromatic group, such as phenyl.
公开/授权文献
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