Gypsum based wallboard taping composition

Details Gypsum based wallboard taping composition Gypsum based wallboard taping composition

1991-05-03

1993-08-31

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106783, C09D 534, C09D 706

Patent

active

052405001

ABSTRACT:
A joint compound for use with an apparatus for taping joints between pieces of wallboard comprises 35-60% by weight of a gypsum base plaster; from about 30-70% by weight of an alcohol-water mixture; 10-25% by weight of polyvinyl acetate; and optionally from about 0-5% by weight of polyvinyl alcohol. The alcohol-water mixture comprises from about 0-30% by weight of water.

REFERENCES:
patent: 4196028 (1990-04-01), Mills
patent: 4287103 (1981-09-01), Francis et al.
patent: 5013389 (1991-05-01), Retti
patent: 5079042 (1992-01-01), Frings
Sax et al. "Hawley's Condensed Chemical Dictionary" p. 1234.

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