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

1992-07-07

1994-07-05

Short, Patricia A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525448, 525934, C08L 6702

Patent

active

053268326

ABSTRACT:
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 dicarboxylic acids, glycols and monomers of functionality three or higher, wherein the dicarboxylic acids are comprised of at least 15 mole % of isophthalic acid and at least 5 mole % of 1,4-cyclohexane dicarboxylic acid and wherein the glycols are comprised 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.

REFERENCES:
patent: 1100204 (1981-01-01), Weemes et al.
patent: 4085159 (1978-04-01), Marsiat
patent: 4288569 (1981-09-01), Rottmaier et al.

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