Pigmentary compositions based on esters of resin acids and amino

Details Pigmentary compositions based on esters of resin acids and amino Pigmentary compositions based on esters of resin acids and amino

1977-01-24

1978-07-25

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

106308N, 106308F, C08K 523

Patent

active

041027043

ABSTRACT:
A pigmentary composition combining good rheological properties and high transparency with increased coloring power which comprises an intimate mixture of (a) an organic pigment and (b) one or more unmodified or modified resin acids esterified with an amino-alcohol; the intimate mixture is obtained by incorporating in the pigment in acid aqueous solution, a solution or dispersion of the ester, and then precipitating the ester by making the aqueous solution medium alkaline or by addition of an acid to form a salt insoluble in water.

REFERENCES:
patent: 3628976 (1971-12-01), Stocher et al.
patent: 3635745 (1972-01-01), Rentel
patent: 3653936 (1972-04-01), Wolf et al.
patent: 3841889 (1974-10-01), Schrempp

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