CPC B01D 71/68 (2013.01) [B01D 61/145 (2013.01); B01D 69/02 (2013.01); B01D 71/82 (2013.01); B01D 2325/14 (2013.01)] | 20 Claims |
1. A method comprising:
(a) sulfonating a first poly(aryl ether) to provide a sulfonated poly(aryl ether);
(b) combining the sulfonated poly(aryl ether) and a second poly(aryl ether) to provide a casting solution; and
(c) casting the solution to provide a filtration membrane,
wherein the sulfonated poly(aryl ether) is not isolated prior to casting the membrane.
|