Pre-blend composition, and method of making joint compound...

Details Pre-blend composition, and method of making joint compound... Pre-blend composition, and method of making joint compound...

C - Chemistry, Metallurgy

04

B

C04B 24/38 (2006.01) C04B 22/14 (2006.01) C04B 40/00 (2006.01)

Patent

CA 2447324

A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.

L'invention concerne une composition de prémélange permettant la préparation d'une pâte à joints. Cette composition comprend de l'eau, un épaississant à base d'éther de cellulose et une quantité égale ou inférieure à environ 19% en poids d'un sel sélectionné dans le groupe constitué par le carbonate de potassium, le sulfate de potassium, l'acétate de sodium et des mélanges de ces derniers. Cette composition est sensiblement exempte d'alumine.

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