Heat-resistant coating powder

Details Heat-resistant coating powder Heat-resistant coating powder

1994-05-10

1995-06-06

Marquis, Melvyn I.

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

Synthetic resins

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

525100, 524506, 428447, 428523, C08F 842

Patent

active

054223962

ABSTRACT:
A heat-resistant coating powder is comprised of A) between about 20 and about 83 wt % based on resin content of A) plus B) of a silicone resin having organic moieties selected from aryl and C.sub.1 -C.sub.4 alkyl, a degree of substitution of about 1.5 or less, and an --OH content of between about 2.5 and about 7.5 wt. %, B) between about 17 wt % and about 80 wt % based on resin content of A) plus B) of an acrylic resin having an acid number of between about 20 and about 100 and a hydroxyl number of about 5 or below, and C) an acid-reactive cross-linking agent(s) at a stoichiometry of between about 70 and about 110% of the acid functionality of said acrylic resin B).

REFERENCES:
patent: 4968751 (1990-11-01), Miles et al.

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