C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4004
C09D 5/02 (2006.01) C09D 125/04 (2006.01) C09D 125/14 (2006.01) C09D 133/02 (2006.01) C09D 139/00 (2006.01)
Patent
CA 1288537
ABSTRACT Aqueous polymer emulsions suitable for preparation of high wet adhesion latex paints comprise an emulsified film-forming copolymer of a first, hard monomer such as styrene, a second, soft monomer such as butyl acrylate, a wet adhesion monomer and an acidic copolymerizable dry-adhesion promoter, the copolymer having a minimum film forming temperature of about 25°C. The emulsions are prepared by free radical polymerizations, in latex, by procedures specially adapted to avoid mutual neutralization of the monomers prior to polymerization.
530200
Finkelstein Armand Fruhling
Hamill Ivan
Kadikar Anilkumar J.
Ici Canada Inc.
Marks & Clerk
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