Aqueous dispersions, a process for their preparation and...

Details Aqueous dispersions, a process for their preparation and... Aqueous dispersions, a process for their preparation and...

C - Chemistry, Metallurgy

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C08L 93/04 (2006.01) D21H 17/14 (2006.01) D21H 17/17 (2006.01) D21H 17/62 (2006.01) D21H 17/66 (2006.01) D21H 21/16 (2006.01)

Patent

CA 1284004

Abstract Aqueous dispersions of rosin and synthetic sizing agent wherein the particles in the dispersed phase contain a mixture of rosin and the synthetic sizing agent and wherein the dispersions contain a polyaluminum compound. The dispersions are prepared by homogenization of a homo- genous mixture of rosin material and the synthetic sizing agent and the polyaluminum compound can either be present at the production or be added to an aqueous dispersion of mixed particles. The dispersions are used as sizing agents at the production of paper, paper board, board and similar products.

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