| abstract |
There is disclosed a copolymer suitable for hydrophilically modifying the surface of a porous fluoropolymer support, for example, a copolymer of formula (I) or (II) Here, Rf, Rh, Ra, Y, m and n are as described in the present specification. Also disclosed are methods of making the copolymers, hydrophilic modification of the porous fluoropolymer support, hydrophilic fluoropolymer porous membranes made from the polymers, and filtration of the fluid through the porous membranes. |