Method for dispersing pigment and water-based pigment dispersion

Details Method for dispersing pigment and water-based pigment dispersion Method for dispersing pigment and water-based pigment dispersion

1995-10-24

1997-06-03

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

260DIG38, 106 3128, 106 3177, 524 88, 524190, 524556, C08K 516, C08K 53467

Patent

active

056355521

ABSTRACT:
A method is disclosed for dispersing a pigment to obtain a pigment dispersion. The method involves dispersing 100 parts by weight of a pigment, 0.1 to 30 parts by weight of a specific pigment dispersing agent and 5 to 300 parts by weight of a water-based resin in 100 to 2,000 parts by weight of an aqueous medium having a water-soluble organic solvent concentration of 4 to 15% by weight. Pigments are obtained which are suitable for the production of water-based coating compositions or water-based inks excellent in fluidity, storage stability, gloss of a coating, sharpness and tinting strength.

REFERENCES:
patent: 5420187 (1995-05-01), Endo et al.

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