发明名称 ASYMMETRIC POLYMER MEMBRANE AND PREPARATION THEREOF
摘要 The present invention is directed to an asymmetric polymer membrane characterized by being formed by irradiating a monomer and/or an oligomer polymerizable with an energy ray and having a pore diameter distribution in the thickness direction of the membrane, a ratio of a permeability flux of oxyge n to nitrogen of 0.9-1.1, and communicating pores.
申请公布号 CA2053743(A1) 申请公布日期 1992.04.19
申请号 CA19912053743 申请日期 1991.10.18
申请人 ZHANG, HUSHENG;ANAZAWA, TAKANORI;SAKAI, KAZUNARI 发明人 ZHANG, HUSHENG;ANAZAWA, TAKANORI;SAKAI, KAZUNARI
分类号 B01D67/00;B01D69/02;C08F290/14;(IPC1-7):C08J3/28 主分类号 B01D67/00
代理机构 代理人
主权项
地址