Compositions: coating or plastic – Materials or ingredients
Patent
1983-02-15
1984-06-26
Poer, James
Compositions: coating or plastic
Materials or ingredients
106 22, 106308Q, 106308N, 106308S, C09B 4800
Patent
active
044564856
ABSTRACT:
Easily dispersible alkali blue pigments with high color strength are obtained if the pigment is precipitated in the presence of (1) primary, secondary or tertiary aliphatic amines, (2) N-alkylamino alkanic acid, (3) a diaryl or triarylamine, (4) an acid or neutral aliphatic ester of phosphoric acid, (5) a half ester of sulfuric acid based on fatty alcohol, fatty alcohol-EO adducts or alkyl phenol-EO adducts, (6) an alkane or alkene sulfonic acid on a dialkylsulfimide, (7) EO adducts based on alkylphenols, alkanols or alkylamines, (8) polypropylene glycol or PO/EO block copolymers based on alkane diols or alkane polyols or in the presence of mixtures of these compounds or is mixed with at least one of the substances listed under (1) to (8) after the precipitation with acid in the acid suspension and is isolated.
Alkali blue pigments are obtained which are easily dispersible in offset printing ink varnishes and which result in excellent color strength of the printed matter.
REFERENCES:
patent: 3635745 (1972-01-01), Rentel et al.
patent: 3925094 (1975-12-01), Papenfuss et al.
patent: 4032357 (1977-06-01), Rees et al.
patent: 4189328 (1980-02-01), Flores
Iyengar Doreswamy R.
Jesse Joachim
BASF Wyandotte Corporation
Poer James
Swick Bernhard R.
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