Polymer composition

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 2/26 (2006.01) C08F 212/08 (2006.01) C09D 5/03 (2006.01) D21H 19/58 (2006.01)

Patent

CA 2744373

The present invention provides a dry coating binder comprising a polymer which comprises at least 80% by weight of main monomers. The main monomers are selected from C-1-C20-alkyl (meth)acrylates, C-1-C20-hydroxy alkyl (meth)acrylates, vinyl esters of carboxylic acids comprising up to 20 carbon atoms, vinyl aromatics having up to 20 carbon atoms, ethylenically un-saturated nitriles, vinyl ethers of alcohols comprising 1 to 10 carbon atoms, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds or mixtures of these monomers, and that the particle size of the binder is between 200-400 nm. Fur-ther, the present invention relates to the use of said dry coating binder. Another aspect of the invention is a dry coating composi-tion.

La présente invention porte sur un liant de couchage à sec comprenant un polymère qui contient au moins 80 % en poids de monomères principaux. Les monomères principaux sont choisis parmi les (méth)acrylates d'alkyle en C1-C20, les (méth)acrylates d'hydroxyalkyle en C1-C20, les esters vinyliques d'acides carboxyliques comprenant jusqu'à 20 atomes de carbone, les aromatiques vinyliques comportant jusqu'à 20 atomes de carbone, les nitriles à insaturation éthylénique, les éthers de vinyle et d'alcools comprenant 1 à 10 atomes de carbone, les hydrocarbures aliphatiques comportant de 2 à 8 atomes de carbone et une ou deux doubles liaisons ou les mélanges de ces monomères et la taille des particules du liant est comprise entre 200 et 400 nm. En outre, la présente invention porte sur l'utilisation dudit liant de revêtement à sec. Un autre aspect de l'invention porte sur une composition de couchage à sec.

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