Pigment preparation, a process for its preparation and its use

Details Pigment preparation, a process for its preparation and its use Pigment preparation, a process for its preparation and its use

1991-11-12

1993-04-06

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 20R, 106499, 552110, C08K 516, C09D 1102

Patent

active

051999854

ABSTRACT:
The invention relates to readily dispersible pigment preparations having good tinctorial strength based on an arylpararosanilinesulfonic acid pigment of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 independently of one another are hydrogen, chlorine or bromine or an alkyl or alkoxy group, each having 1 to 3 carbon atoms, and at least one liquid alcohol having a chain length of C.sub.8 to C.sub.20, preferably C.sub.10 -C.sub.15, which has been modified with 2 to 8 mol, preferably 3-6 mol, of propylene oxide and with 1-14 mol, preferably 3-10 mol, of ethylene oxide.
The invention furthermore relates to a process for the preparation of these pigment preparations and their use, in particular in printing inks, copying papers or typewriter ribbons.

REFERENCES:
patent: 3582381 (1971-06-01), Papenfuss et al.
patent: 3635745 (1972-01-01), Rentel et al.
patent: 3652602 (1972-03-01), Schafer et al.
patent: 3671553 (1972-06-01), Papenfuss et al.
patent: 4469516 (1984-09-01), Schneider et al.
patent: 4543380 (1985-09-01), Schneider et al.
patent: 4773937 (1988-09-01), Schneider et al.
patent: 5030283 (1991-07-01), Bender et al.

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