Patent ID: 9139686
Filing Date: 2015-09-22
Classification: B01D,C08G,C08L

Abstract:
1. A polymer composition comprising a) an oligourethane or polyurethane of formula I wherein k and n are each independently a number of from 1 to 100, m is a number of from 1 to 100, (X) is a block of formula (II), and (Y) is a block of formula (III), wherein (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligosiloxane or polysiloxane comprising alkanol end groups, and optionally further comprising an aliphatic ether moiety, and (C) is an aromatic oligosulfone or polysulfone block; or a mixture of oligourethanes or polyurethanes thereof; and b) at least one further organic polymer selected from the group consisting of polyvinyl pyrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polysulfones, polyethersulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes, and polytetrafluorethylenes, copolymers thereof, and mixtures thereof.