Process for the production of readily dispersible pigment prepar

Details Process for the production of readily dispersible pigment prepar Process for the production of readily dispersible pigment prepar

1979-02-23

1980-10-14

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106304, 106308F, 106308N, 106308M, C09C 126, C09C 304

Patent

active

042279364

ABSTRACT:
A process for the production of readily dispersible pigment preparations with a pigment content of more than 65% is disclosed. An aqueous suspension containing 25% to 50% by weight of a pigment is made and kneaded with heating to 60.degree.-70.degree. C. Following addition of a cation-active substance and an oleate, a binder dissolved in an organic solvent is added and a phase inversion takes place whereby water is separated out. After decantation, the organic mass of pigment is kneaded and dried.

REFERENCES:
patent: 3372878 (1968-03-01), Verdier
patent: 3954495 (1976-05-01), Osswald et al.
patent: 4013481 (1977-03-01), Molls et al.
patent: 4015999 (1977-04-01), Robertson et al.
patent: 4036652 (1977-07-01), Rothmayer
patent: 4113508 (1978-09-01), Einerhand et al.
patent: 4127421 (1978-11-01), Ferrill

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