Graft copolymers containing perfluoroalkyl groups

Details Graft copolymers containing perfluoroalkyl groups Graft copolymers containing perfluoroalkyl groups

C - Chemistry, Metallurgy

08

L

400/3012, 400/50

C08L 75/04 (2006.01) C08F 283/00 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/36 (2006.01) C08L 27/12 (2006.01) C08L 51/08 (2006.01) D06M 15/256 (2006.01) D06M 15/564 (2006.01) D06M 15/576 (2006.01)

Patent

CA 2040687

GRAFT COPOLYMERS CONTAINING PERFLUOROALKYL GROUPS Abstract Aqueous dispersions of copolymers and/or graft copolymers composed of ethylenically unsaturated perfluoroalkyl monomers and perfluoroalkyl-free ethylenically unsatura- ted monomers can be prepared by polymerisation in the presence of aqueous, emulsifier-free polyurethane disper- sions as the graft base based on compounds containing perfluoroalkyl groups and active hydrogen atoms and com- pounds containing ionic and/or nonionic hydrophilic groups and active hydrogen atoms and polyisocyanates and ran be used for the oil-repellent and water-repellent finishing of textiles, carpets, leather and paper.

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