Method of applying powder coatings of unsaturated branched hydro

Details Method of applying powder coatings of unsaturated branched hydro Method of applying powder coatings of unsaturated branched hydro

1976-01-20

1978-09-12

Beck, Shrive P.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

427 27, 428480, 428481, 528273, 528304, 528309, B05D 302

Patent

active

041138988

ABSTRACT:
An unsaturated, branched hydroxyester resin produced by the esterification of a saturated or unsaturated aliphatic or aromatic dicarboxylic acid with a mixture comprising about 75 - 97 mole percent of a bivalent alcohol and about 25 - 3 mole percent of a multifunctional alcohol having at least three hydroxy groups, said hydroxyester resin having a hydroxyl number of about 30 - 110, is employed in the production of quick hardening powder enamels capable of forming plastic coatings.

REFERENCES:
patent: 2936296 (1960-05-01), Precopio et al.
patent: 3055867 (1962-09-01), Le Brac et al.
patent: 3205192 (1965-09-01), Denson
patent: 3340083 (1967-09-01), Robitschek
patent: 3340136 (1967-09-01), Burns et al.
Berger et al, Am. Paint J. 46 (24), 74-84 (1962).
Boeing, "Unsaturated Polyesters," Elsevier, New York, 1964, pp. 6, 100-102.

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