Anionic surfactant addition products of maleic or fumaric...

Details Anionic surfactant addition products of maleic or fumaric... Anionic surfactant addition products of maleic or fumaric...

C - Chemistry, Metallurgy

07

C

260/464.3, 260/4

C07C 69/653 (2006.01) C07C 59/305 (2006.01) C07C 59/58 (2006.01) C07C 303/24 (2006.01) C07C 303/30 (2006.01)

Patent

CA 1339939

A process for preparing anionic surfactants is disclosed; and, more specifically, surfactants which exhibit excellent sequestering efficacy for metal ions. These surfactants are prepared by the addition reaction of maleic or fumaric acid with a poly(ethoxylated) alcohol which is a relatively fast reaction as compared to certain of the analogous reactions using poly(ethoxylated-propoxylated) alcohols of the prior art. The surfactants of the present invention are physically and chemically stable in aqueous alkali media.

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