Aqueous composition for antimigration and antiozone protection o

Coating processes – With post-treatment of coating or coating material – Heating or drying

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524494, 524557, 524563, 524515, 524522, 524539, 524831, 524833, 523220, 523221, B05D 300, C08K 336, C08L 2514, C08L 3906

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058915257

ABSTRACT:
Aqueous composition intended to form an antimigration and antiozone protective coating on the external surface of a tire, comprising an aqueous emulsion of at least: (a) a polymer called constituent I, said constituent I being a homopolymer or copolymer based on at least one monomer chosen from the group of acrylic, methacrylic and vinyl esters and having a glass transition temperature below 0.degree. C.; and (b) a constituent II chosen from the group consisting of a hydrophilic silica and a homopolymer or copolymer based on at least one monomer chosen from the group of acrylic, methacrylic and vinyl monomers, said homopolymer or copolymer having a glass transition temperature above 25.degree. C.

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