Clay and mica replacement with CMC in joint compound

Details Clay and mica replacement with CMC in joint compound Clay and mica replacement with CMC in joint compound

1990-04-13

1995-01-17

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C09D10128

Patent

active

053822870

ABSTRACT:
Sodium carboxymethylcellulose (CMC) with a D.S. between 0.35 and 0.75 and D.P. between 200 and 4000 serves as a swelling agent and can replace clay and/or mica in a joint compound formulation when used in an amount of 0.01 to 0.5% by weight.

REFERENCES:
patent: 3014808 (1961-12-01), Nyberg
patent: 3891582 (1975-06-01), Desmarais
patent: 3891582 (1975-06-01), Desmarais
patent: 4558079 (1985-12-01), Desmarais
patent: 4558079 (1985-12-01), Desmarais
patent: 4614545 (1986-09-01), Hess

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