Anionic surfactants

Details Anionic surfactants Anionic surfactants

C - Chemistry, Metallurgy

07

C

134/29, 260/523.

C07C 59/305 (2006.01) B01F 17/00 (2006.01) C07C 51/367 (2006.01) C11D 1/08 (2006.01) C11D 1/722 (2006.01) C11D 7/06 (2006.01) C23G 1/14 (2006.01)

Patent

CA 1228600

ABSTRACT Described are anionic surfactant compositions which are made by reacting maleic acid or fumaric acid or mixtures thereof with at least one selected poly)oxyalkylated) alcohol in the presence of a peroxy-type free radical initiator to form a carboxylic acid group-containing addition product. The addition product may be neutralized with a sufficient amount of a neutralizing agent to convert at least a major proportion of said carboxylic acid groups to salt groups. The addition product may be neutralized in situ by mixing with an alkaline medium. These surfactants exhibit excel- lent surface activity as well as being highly soluble in caustic solutions.

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