Asymmetric polymer membrane and preparation thereof

Details Asymmetric polymer membrane and preparation thereof Asymmetric polymer membrane and preparation thereof

C - Chemistry, Metallurgy

08

J

C08J 3/28 (2006.01) B01D 67/00 (2006.01) B01D 69/02 (2006.01) C08F 290/14 (2006.01)

Patent

CA 2053743

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 oxygen to nitrogen of 0.9-1.1, and communicating pores.

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