Pastelike pigment formulations and preparation and use thereof

Details Pastelike pigment formulations and preparation and use thereof Pastelike pigment formulations and preparation and use thereof

1989-06-22

1991-07-09

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Natural resin or derivative containing

106 22, 106 23, 106408, 106493, 106 32, 106311, 106499, 106504, C08K 509, C08K 510, C08K 500, C09D 1106, C09D 1108, C09D 1110, C09D 1100

Patent

active

050302833

ABSTRACT:
The invention relates to readily storable flushed pastes of pigments of the arylparaosanilinesulfonic acid series, consisting essentially of (a) up to 50% by weight of the pigment, in a binder combination of (b) natural resin esters based on unmodified or modified natural resins with monohydric or polyhydric C.sub.1 -C.sub.20 -alcohols, and (c) long-oily alkyd resins having an oil content of 60% to 90% by weight dissolved in high-boiling mineral oil. These formulations are prepared from aqueous presscakes of pigment (a) by flushing in the presence of the solution of a mixture of at least one natural resin ester (b) and at least one alkyd resin (c) in mineral oil (d) with elimination of water. The novel pigment formulations are used for producing printing inks for letterpress and offset printing.

REFERENCES:
patent: 3635745 (1972-01-01), Rentel et al.
patent: 3880788 (1975-04-01), Rudolphy
patent: 3950288 (1976-04-01), Herbst et al.
patent: 4197378 (1980-04-01), Rudolphy et al.
patent: 4234466 (1980-11-01), Takahashi et al.
patent: 4506059 (1985-03-01), Hultzsch et al.
patent: 4533723 (1985-08-01), Weitemeyer
patent: 4773937 (1988-09-01), Schneider et al.
Payne, H. F., "Organic Coating Technology", vol. I, 1954, pp. 156 & 283, copied att'cd.
H. D. Zettler, Chem. Abs. 109:24287u (1988).

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