Sulfonated polysulfone composite semipermeable membranes and...

Details Sulfonated polysulfone composite semipermeable membranes and... Sulfonated polysulfone composite semipermeable membranes and...

C - Chemistry, Metallurgy

08

J

117/88.5

C08J 5/22 (2006.01) B01D 67/00 (2006.01) B01D 69/12 (2006.01) B01D 71/68 (2006.01) B32B 27/04 (2006.01) C08G 65/48 (2006.01) C08G 75/23 (2006.01)

Patent

CA 1263572

ABSTRACT OF THE DISCLOSURE A sulfonated polysulfone composite semipermeable membrane comprising a support membrane having laminated thereon in unity a semipermeable membrane composed of a sulfonated polysulfone formed by sulfonating a polysulfone composed of a recurring unit shown by formula (A) (A) Image wherein n is an integer of 1 or more and process for producing the same.

483835

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