Aqueous dispersions, a process for their preparation and the use

Details Aqueous dispersions, a process for their preparation and the use Aqueous dispersions, a process for their preparation and the use

1987-12-24

1989-03-28

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Natural resin or derivative containing

1621641, 428498, 4285375, C08J 302, B32B 906

Patent

active

048160733

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 homogenous 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.

REFERENCES:
patent: 4147682 (1979-04-01), Yada et al.
patent: 4743303 (1988-05-01), Helmer et al.

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