Metal containing polymeric dispersing agent

Details Metal containing polymeric dispersing agent Metal containing polymeric dispersing agent

1986-06-06

1990-06-26

Maples, John S.

Compositions

Preservative agents

Anti-corrosion

252357, 106505, B01F 1730, B01F 1728, B01F 1716

Patent

active

049370146

ABSTRACT:
A dispersing agent of the formula ##STR1## wherein ##STR2## is the residue of a polyester chain having a molecular weight of at least 1000; ##STR3## is the residue of an aliphatic or aromatic amino acid; and --O--A--O--is the residue of a metal salt Me(OH).sub.2, Me(OCOR.sub.1).sub.2 or Me(OH).sub.2 --OCOR.sub.1, wherein R.sub.1.COO--is the residue of a carboxylic acid,
optionally in combination with an aliphatic diamine NHR.sub.2 --T--NH.sub.2, wherein R.sub.2 is hydrogen or C.sub.1-20 alkyl, and a salt of said diamine and a residual carboxylic acid deriving from the polyester mixture. The dispersing agents are useful for dispersing pigments and dyes in organic liquids.

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