D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
117/195, 400/301
D06M 15/564 (2006.01) C08F 283/00 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/66 (2006.01) D06M 15/576 (2006.01)
Patent
CA 1228442
AQUEOUS DISPERSIONS OF GRAFT POLYMERS OR COPOLYMERS, A PROCESS FOR THEIR PRODUCTION AND THEIR USE AS HYDROPHOBIZING AND OLEOPHOBIZING AGENTS FOR TEXTILES ABSTRACT OF THE INVENTION The present invention relates to aqueous dispersions of graft polymers or graft copolymers containing as the graft base an aqueous polyurethane dispersion optionally containing block polyisocyanates in dispersed form as crosslinker and, as the graft covering, a polymer or a copolymer of ethylenically unsaturated monomers, characterized in that the graft covering is a polymer of ethylenically unsaturated perfluoroalkyl monomers having a molecular weight above 367 or a copolymer of perfluoroalkyl monomers such as these with comonomers free from perfluoroalkyl groups. The present invention also relates to a process for producing these dispersions and to their use as hydrophobizing and oleophobizing agents for textiles.
474570
Konig Joachim
Nachtkamp Klaus
Suling Carlhans
Aktiengesellschaft Bayer
Marcoux & Sher Swabey Mitchell Houle
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