Phosphoric ester compound

Details Phosphoric ester compound Phosphoric ester compound

C - Chemistry, Metallurgy

07

F

260/460.5

C07F 9/09 (2006.01) C08G 63/692 (2006.01)

Patent

CA 1273639

ABSTRACT OF THE DISCLOSURE There is provided a phosphoric ester compound repre- sented by the formula below Image where at least one R is a polyester residue derived from an aliphatic hydroxyl-terminated polyester obtained by heating an aliphatic hydroxy-carboxylic acid having 4 to 30 carbon atoms to achieve self-polycondensation to form a polyester having an aver- age molecular weight of about 500 to 5,000, and any remaining R is a hydrogen atom, a cation, or a residue of an alcohol. The esters are useful as pigment dispersants and flushing agents in the production of a pigment composition useful as a coloring material such as paint, printing ink or synthetic resin colorant.

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