Tape joint cement composition

Details Tape joint cement composition Tape joint cement composition

1984-12-24

1985-12-10

Morris, Theodore

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106197, 524 44, 536 90, C08L 302

Patent

active

045580790

ABSTRACT:
Tape joint cement compositions suitable for use with wallboard are disclosed wherein at least one hydroxypropylhydroxyethylcellulose having specified substitution levels is employed as the water retention aid and thickener. Blends of hydroxypropylhydroxyethylcellulose with (a) at least one cellulose ether, such as, hydroxyethylcellulose, hydroxypropylcellulose, methylcellulose, methylhydroxyethylcellulose, and methylhydroxypropylcellulose or (b) a hydroxyalkylguar, such as hydroxypropylguar and hydroxyethylguar are also disclosed.

REFERENCES:
patent: 3296247 (1967-01-01), Klug
patent: 3835074 (1974-09-01), Desmarais
patent: 3873518 (1975-03-01), Strange et al.
patent: 3891453 (1975-06-01), Williams
patent: 3891582 (1975-06-01), Desmarais
patent: 3900434 (1975-08-01), Bruschtein
patent: 3907725 (1975-09-01), Forte
patent: 3998769 (1976-12-01), Lane
patent: 4415683 (1983-11-01), Kernstock

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