Coating powders for producing heat-resistant coatings

Details Coating powders for producing heat-resistant coatings Coating powders for producing heat-resistant coatings

1995-09-21

1996-10-08

Sweet, Mark D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524425, 524444, 524449, 524450, 524588, 524604, 524904, 525446, C08K 330, C08F 2000

Patent

active

055632009

ABSTRACT:
A coating powder composition for providing a smooth, heat-resistant coating contains A) between about 60 and about 95 parts by weight or a polyester resin which has either hydroxyl functionality of 2 or greater or carboxylic acid functionality of 2 or greater, B) between about 5 and about 40 parts by weight of a curative for the polyester resin A), A) and B), in total, being 100 parts resin, C) between about 50 and about 150 parts per hundred resin by weight (phr) silicone resin, D) between about 20 and about 100 phr of a filler selected from calcium silicate, silica, magnesium aluminum silicate, calcium carbonate, barium sulfate, and mixtures thereof, E) between about 1 and about 10 phr silicone rubber, and F), up to about 50 phr mica.

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patent: 5082891 (1992-01-01), Morita et al.
patent: 5227435 (1993-07-01), Kang et al.
patent: 5391594 (1995-02-01), Romenesko et al.
patent: 5422396 (1995-06-01), Daly et al.
Brown, Lawrence H. "Silicones In Protective Coatings," in Treatise on Coatings, vol. 1, Part III, Film-Forming Compositions, pp. 513-563, 1972. (no mo.).
Wacker Silicone, Silicon-Intermediate Silicone Silicone Intermediate SY-430, one page. (no mo/y).

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