Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Patent
1993-03-03
1994-08-09
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
106698, 106701, 106778, 106DIG2, 252378P, 524650, C04B 1100, C04B 2814
Patent
active
053363183
ABSTRACT:
A clay-free, asbestos-free and glass microbubble-free, drying type Joint compound containing an in-situ or associative thickener as a substitute for asbestos and any clay substitute therefor. In particular, these drying type joint compounds contain no attapulgus clay thereby improving viscosity stability, crack resistance and shrinkage. The lightweight joint compounds contain treated expanded perlite, treated to render it water-insensitive. The preferred in-situ thickeners are acidic acrylate copolymers. It has been found that the in-situ thickeners should be used in combination with the normal cellulosic thickeners used in joint compounds Instead of as replacements therefor. The joint compounds contain the usual fillers and latex emulsion binders, with at least about 50% by weight of the drying type joint compound being a filler selected from the group consisting of calcium carbonate and calcium sulfate dihydrate.
REFERENCES:
patent: Re29753 (1978-09-01), Williams
patent: 3297601 (1967-01-01), Maynard et al.
patent: 3386223 (1968-06-01), Wegwerth
patent: 3713868 (1973-01-01), Gordon et al.
patent: 3867335 (1975-02-01), Reed et al.
patent: 3869415 (1975-03-01), Williams
patent: 3891453 (1975-06-01), Williams
patent: 3907725 (1975-09-01), Forte et al.
patent: 3947398 (1976-03-01), Williams
patent: 4126599 (1978-11-01), Sugahara et al.
patent: 4238239 (1980-12-01), Brown
patent: 4286995 (1981-09-01), Smith et al.
patent: 4294622 (1981-10-01), Brown
patent: 4370167 (1983-01-01), Mudd
patent: 4413026 (1983-11-01), Sherno
patent: 4454267 (1984-06-01), Williams
patent: 4600761 (1986-07-01), Ruffner et al.
patent: 4616074 (1986-10-01), Ruffner
patent: 4746365 (1988-05-01), Babcock et al.
patent: 4824879 (1989-04-01), Montgomery et al.
patent: 4849018 (1989-07-01), Babcock et al.
patent: 4944804 (1990-07-01), Schilling
Alco Chemical Corp.-"ALCOGUM L-15"; May 19, 1987.
Alco Chemical Corp.-"ALCOGUM L-35"; May 19, 1987.
Alco Chemical Corp.-"ALCOGUM SL-65"; Jan. 20, 1988.
Alco Chemical Corp.-"Alcogum SL-Series Thickeners in Ready Mix Joint Cement"; Mar. 28, 1989.
Alco Chemical Corp.-"ALCOGUM L Thickeners"; Aug. 5, 1993.
Alco Chemical Corp.-"ALCOGUM L-11"; May 19, 1987.
Attard Peter M.
Espinoza Therese A.
Bell Mark L.
Lorenzen John M.
Marcheschi Michael
Robinson Robert H.
United States Gypsum Company
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