Surfactant products of poly(hydroxyalkanecarboxylic acid) phosph

Compositions – Preservative agents – Anti-corrosion

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558180, 554 78, B01F 1714, C07F 911

Patent

active

053002555

ABSTRACT:
A surfactant comprising a carboxylic acid ester or amide carrying a terminal strong acid group selected from carboxymethyl, sulphate, sulphonate, phosphate and phosphonate, suitable for stabilising dispersions of solids in organic liquids and oil/water emulsions, processes for the preparation of the surfactant and dispersions and emulsions containing the surfactant. A preferred species of the surfactant is a poly(hydroxyalkanecarboxylic acid) having the strong acid group attached, either directly or through a linking group, to a terminal hydroxy or carboxylic acid group.

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Encylopedia of Chemical Technology (Kirk-Othmer), Third Edition vol. 14, p. 250.

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