Aqueous dispersions of graft polymers or copolymers, a process f

Details Aqueous dispersions of graft polymers or copolymers, a process f Aqueous dispersions of graft polymers or copolymers, a process f

1985-02-19

1987-01-13

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525455, C08F 220, C08F28300, C08L 5108

Patent

active

046365451

ABSTRACT:
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.

REFERENCES:
patent: 3068187 (1962-12-01), Bolstad et al.
patent: 3403122 (1968-09-01), Sherman et al.
patent: 3684758 (1972-08-01), Honig et al.
patent: 3684759 (1972-08-01), Reiff et al.
patent: 3705164 (1972-12-01), Honig et al.
patent: 4269748 (1981-05-01), Nachtkamp et al.
patent: 4373043 (1983-02-01), Yagi
patent: 4373053 (1983-02-01), Sato

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