Polyesteramide dispersing agent

Details Polyesteramide dispersing agent Polyesteramide dispersing agent

1988-02-05

1991-03-12

Ziegler, Jacob

Compositions

Preservative agents

Anti-corrosion

2523154, 252357, 427 11, 427212, 428402, 525434, 525435, 525450, B01F 1730, B01F 1300

Patent

active

049991329

ABSTRACT:
A dispersing agent for dispersing solid particles in an organic liquid having the composition ##STR1## wherein ##STR2## is the residue of a polyester chain having a molecular weight of at least 1700, derived from a hydroxycarboxylic acid containing 16-22 carbon atoms, ##STR3## is the residue of a mono or polyamide having up to 12 amido bonds, which is amino terminated in both ends and wherein R.sub.1 and R.sub.2 are each independently hydrogen or alkyl or alkenyl containing up to 20 carbon atoms; Z is a salt of a carboxylic acid containing 8-18 carbon atoms and a diamine NHR.sub.3 --T--NH.sub.2 wherein T is alkylene or alkenylene containing 2-12 carbon atoms and optionally comprising one or more oxygen or nitrogen bridges and R.sub.3 is hydrogen or alkyl or alkenyl containing up to 20 carbon atoms; Q is a carboxylic acid containing 8-18 carbon atoms or a diamine NHR.sub.3 --T--NH.sub.2, wherein T and R.sub.3 are defined as above. Said dispersing agent can be used for preparing an easily dispersable pigment.

REFERENCES:
WO 81/02395 (International Publication No.), publication date 09/03/81, Gulev et al.

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