Drywall coating composition

Details Drywall coating composition Drywall coating composition

1988-01-22

1989-04-11

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 43, 524427, 524444, 524445, 524447, 524450, C08L 128, C08K 326

Patent

active

048207543

ABSTRACT:
The unequal porosity and different textures of a drywall reinforced with joint tape and joint compound are concealed by a paint made from a low cost, easily dispersible powder in which the pigment volume concentration is about 70% to about 75%. A vinyl acetate/ethylene copolymer serves as the principle binder and a water soluble cellulose ether thickens the water dispersion of kaolin, attapulgus clay, mica, sodium potassium aluminum silicate and calcium carbonate.

REFERENCES:
patent: Re29753 (1978-09-01), Williams
patent: 3793269 (1974-02-01), Bruschtein et al.
patent: 3835074 (1974-09-01), Desmarais
patent: 3844990 (1974-10-01), Lindemann et al.
patent: 3891582 (1975-06-01), Desmarais
patent: 3900434 (1975-08-01), Bruschtein et al.
patent: 4039492 (1977-08-01), Hamilton
patent: 4454267 (1984-06-01), Williams
patent: 4558079 (1985-12-01), Desmarais
Sweet's Catalog, 9P, "Skim Coating in Drywall Finishing", United States Gypsum Company 1985.
Sweet's Catalog, 9, "Recommended Specifications for the Application and Finishing of Gypsu Board", pp. 14-15, Gypsum Association, 1985.
"Bermocell in Latex Paints", Brochure, Berol Kemi AB; 1983.
Minex Extender Pigment Brochure; No Pagination, Indusmin, Ltd., undated.
Airflex RP-245 Leaflet, Air Products and Chemicals, Inc.; 1984.

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