Powdery coating composition

Details Powdery coating composition Powdery coating composition

1978-02-24

1980-01-22

Lieberman, Allan

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

Synthetic resins

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

525 58, 525157, 525163, C08L 2508, C08L 6126, C08L 6128, C08L 6700

Patent

active

041850459

ABSTRACT:
A powdery coating composition comprising (1) 10 to 40% by weight of a solid cross-linking agent having a softening point of 50.degree. to 120.degree. C. and prepared by heating 40 to 75% by weight of an acrylic resin having free hydroxyl groups and 60 to 25% by weight of an alkoxyaminotriazine at 50.degree. to 120.degree. C., and (2) 90 to 60% by weight of a base resin having a softening point of 60.degree. to 130.degree. C. and an acid value of up to 30 and containing 0.4 to 2.0 moles of free hydroxyl groups per kilogram of the resin, the alkoxyaminotriazine having 0 to 1 non-methylolated NH bond per triazine ring, at least 80% of the methylol groups of the alkoxyaminotriazine having been etherified with an aliphatic or alicyclic alcohol or ethylene glycol monoalkyl ether.

REFERENCES:
patent: 3790513 (1974-02-01), Victorius
patent: 3846368 (1974-11-01), Pettit, Jr.
patent: 3887637 (1975-06-01), Waitkus
patent: 3887642 (1975-06-01), van der Missen
patent: 3919350 (1975-11-01), Iwasawa et al.
patent: 3919352 (1975-11-01), Iwasawa et al.
patent: 4027066 (1977-05-01), Victorius

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