Pigment concentrates

Details Pigment concentrates Pigment concentrates

1978-06-05

1979-09-18

McCarthy, Helen

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106288B, 106308Q, 106288Q, 106308N, 260 37N, 260 37EP, 260 38, 260 39R, 260 39P, 260 40R, 260 4221, 260 4222, 260 4224, 260 4256, 260 4257, C08K 904, C09B 6700

Patent

active

041681800

ABSTRACT:
Pigment concentrates which are particularly suitable as colorants for thermosetting powder coating resins are described. The concentrates contain by weight about 35 to about 60% of organic pigments and about 30 to about 65% of certain low molecular weight, friable polymers of styrene and/or alkyl substituted styrenes or about 45 to about 90% of inorganic pigments and about 5 to about 55% of the friable polymer. A dispersing agent is optional and, if present, the weight ratio of polymer to dispersing agent is at least 1.

REFERENCES:
patent: 3413249 (1968-11-01), Luftglass et al.
patent: 3462390 (1969-08-01), Dunn
patent: 3639331 (1972-02-01), Hattori et al.
patent: 3755244 (1973-08-01), Hart
patent: 3763085 (1973-10-01), McFadgen
patent: 3830765 (1974-08-01), Fejer
patent: 4048272 (1977-09-01), Spicuzza
patent: 4055439 (1977-10-01), Babler et al.
patent: 4093584 (1978-06-01), Zwahlen et al.
patent: 4127421 (1978-11-01), Ferrill

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