Polyether siloxane graft polymers

Details Polyether siloxane graft polymers Polyether siloxane graft polymers

C - Chemistry, Metallurgy

08

F

400/2009

C08F 287/00 (2006.01) C08F 283/06 (2006.01) C08F 283/12 (2006.01) C09D 7/06 (2006.01)

Patent

CA 1280836

23189-6646 Polyether siloxane graft polymers A B S T R A C T Novel graft copolymer comprising a) 0.1 to 99.9% by weight of polyalkylene oxide-organo- polysiloxane block and/or comb polymer units and b) 99.1 to 0.1% by weight of units of polymerized per- fluoroalkyl substituted allyl compounds, which graft polymers contain structural elements corresponding to the following general formula: Image wherein X denotes a hydrogen atom or a methyl group, Y and Z denote, independently of one another, a hydro- gen atom or an alkyl group containing 1 to 18 carbon atoms Q denotes a divalent alkylene group with 1 to 12 carbon atoms or other divalent radicals, Rf denotes a perfluorinated aliphatic, optionally branched group with 1 to 20 carbon atoms and the group may contain at most one hydrogen or chlorine atom on two carbon atoms in addition to the fluorine atoms, RSi denotes a polyalkylene oxide-organopolysiloxane block and/or comb polymer residue and Rpo denotes a polyalkylene oxide chain of the poly- alkylene oxide-organopolysiloxane block and/or comb polymer, and in the graft polymers, more than 50% by weight of perfluoroalkyl substituted allyl monomers have been added in monomolecular form

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