Joint compound and method of making same

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

C04B 24/26 (2006.01) C04B 14/10 (2006.01) C04B 14/20 (2006.01) C04B 14/28 (2006.01) C04B 22/14 (2006.01) C04B 24/38 (2006.01) C04B 26/04 (2006.01) C04B 28/10 (2006.01) C04B 28/14 (2006.01)

Patent

CA 2407607

A joint compound includes water, calcium carbonate, and a water-soluble polymeric set retarder formed from a monomer having two or more carboxyl groups. The joint compound is useful in various applications and in a hybrid joint compound made with a calcium sulfate hemihydrate setting-type joint compound.

L'invention concerne un composé de liaison comprenant de l'eau, du carbonate de calcium et un retardateur de prise polymère hydrosoluble formé à partir d'un monomère possédant au moins deux groupes carboxyles. Ce composé s'utilise dans de nombreuses applications ainsi que dans un composé de liaison hybride obtenu avec un composé de liaison à prise, à base de sulfate de calcium hémihydraté.

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