Powder paint and a polyester resin for powder paint

Details Powder paint and a polyester resin for powder paint Powder paint and a polyester resin for powder paint

C - Chemistry, Metallurgy

08

L

400/5708

C08L 67/02 (2006.01) C08G 63/123 (2006.01) C08G 63/20 (2006.01) C08L 63/00 (2006.01) C09D 167/00 (2006.01)

Patent

CA 2012659

The invention relates to a powder paint, comprising a polyepoxy compound, a polyester resin and customary additives, the polyester resin having an acid number ranging from 15 through 70 and a hydroxyl number of 10 or below and being substantially based on units of dicaboxylic acids, glycols and monomers of functionality three of higher, as dicarboxylic acids use is being made of at least 75 mole % of isophthalic acid and at least 5 mole % of 1,4-cyclohexane dicarboxylic acid, as the glycols use is being made of at least 50 mole % of branched aliphatic glycols with 5-11 carbon atoms, which may optionally comprise an ester group, and at most 50 mole % of aliphatic glycol with 2-6 carbon atoms, and wherein the monomers have a functionality three or higher in an amount of at most 8 mole % of dicarboxylic acids plus glycols.

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