Polysulphone/polyether block copolycondensates

Details Polysulphone/polyether block copolycondensates Polysulphone/polyether block copolycondensates

C - Chemistry, Metallurgy

08

G

C08G 75/23 (2006.01) C08G 65/42 (2006.01)

Patent

CA 2175029

The invention relates to polysulphone/polyether block copolycondensates having the recurring structural unit as in formula (I) -(-O-E-O-Ar1-SO2-Ar2-)-W- (I) wherein E is a divalent diphenolate radical and W is a polyether, polythioether or polyacetal possessing at least two hydroxyl groups and having an average molecular weight (?n) of from 400 to 30,000 and wherein the proportion of the radical W in the total polymer amounts to 5 to 99 wt.%, the preparation and use thereof for the production of moulded shapes, for example, membranes or catheter tubes.

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