Dry, water-dispersible pigment compositions

Details Dry, water-dispersible pigment compositions Dry, water-dispersible pigment compositions

1977-05-25

1978-11-28

Dean, R.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308M, 106309, 260 4251, 260 4255, 260 4256, 260 4257, 260 296RW, 260 174ST, C04B 3140

Patent

active

041274229

ABSTRACT:
Dry pigment compositions which are easily dispersed in aqueous systems are described. The compositions contain 55 to 80% of a pigment and 45 to 20% of a nonionic material comprising, by weight of the pigment, 15 to 45% of a nonionic dispersing agent and 10 to about 67% of a water-dispersible, at least partially hydrolyzed polymer of vinyl acetate or a polymer of an N-vinyl pyrrolidone.

REFERENCES:
patent: 2907670 (1959-10-01), Katz et al.
patent: 3067053 (1962-12-01), Tarantino
patent: 3088837 (1963-05-01), Prescott et al.
patent: 3092600 (1963-06-01), Ozawa et al.
patent: 3104068 (1963-09-01), Castelli et al.
patent: 3652313 (1972-03-01), Nagata et al.
patent: 3904562 (1975-09-01), Hopfenberg et al.
patent: 3905937 (1975-09-01), Khanna

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