Process for preparing a pigment for a coated paper

Details Process for preparing a pigment for a coated paper Process for preparing a pigment for a coated paper

1997-10-14

1999-05-18

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106419, 106426, 106427, 106431, 423518, 423556, C09C1/02

Patent

active

059047615

ABSTRACT:
The present invention provides a method for preparing a needle-shaped pigment with a particle size of 0.3.+-.0.1 .mu.m, which has uniform particle distribution, higher thixotropy, an excellent gloss, and good absorption of printing ink, by continuous addition of aluminum sulfate solution and zinc sulfate solution to a milk of lime.

REFERENCES:
patent: 3347624 (1967-10-01), Taylor
patent: 4120697 (1978-10-01), King
patent: 4157379 (1979-06-01), Arika et al.

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