Deinking agent

Details Deinking agent Deinking agent

C - Chemistry, Metallurgy

07

C

C07C 69/58 (2006.01) C07C 69/33 (2006.01) C07H 13/06 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2047183

ABSTRACT OF THE DISCLOSURE A deinking agent comprising an ester mixture as the active ingredient, wherein the ester mixture is obtained by adding ethylene oxide and propylene oxide to a mixture obtained by reacting a natural fat or a reaction product, obtained by preliminarily reacting a natural fat with glycerol, with a tetra- to dodecahydric alcohol in such a manner as to give a molar ratio of the alcohol to the glycerol in the natural fat of from 0.02/1 to 1/1. By using the deinking agent of the present invention, a deinked pulp contaminated with little unliberated ink can be obtained without any foaming troubles or dulling. - 51 -

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