Paint composition

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 143/04 (2006.01) C08G 18/40 (2006.01) C08G 18/61 (2006.01) C08G 18/62 (2006.01)

Patent

CA 2140634

Paint positions containing (A) a vinyl type copolymer obtained by polymerizing (i) specific silicone type vinyl monomers 1-50 % by weight, (ii) vinyl monomers containing hydroxyl groups 5-60 % by weight, and (iii) other vinyl monomers 5-80 % by weight, (B) specific hydroxyl-group-containing silicone type compounds, and (C) a hardening agent that allows reaction with hydroxyl groups. Paint films can be formed which have excellent water-repellence and oil-repellence, and in which there is no lowering of water-repellence or oil-repellence when they are exposed for long periods in natural environments.

Compositions de peinture comprenant (A) un copolymère de type vinylique obtenu par polymérisation (i) 1 à 50 % en poids de monomères vinyliques de type silicone spécifiques, (ii) 5 à 60 % en poids de monomères vinyliques contenant des groupes hydroxyle, et (iii) 5 à 80 % en poids d'autres monomères vinyliques (B) des composés de type silicone contenant des groupes hydoxyle spécifiques et (C) un agent de durcissement permettant une réaction avec des groupes hydroxyle. On peut former des feuils de peinture présentant une excellente imperméabilité à l'eau et à l'huile, cette imperméabilité ne s'altérant pas lorsque l'on expose lesdits feuils à des environnements naturels pendant des durées prolongées.

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