Sulfonated tributylphenol ethoxylates, their use, and a...

Details Sulfonated tributylphenol ethoxylates, their use, and a... Sulfonated tributylphenol ethoxylates, their use, and a...

C - Chemistry, Metallurgy

08

G

31/16, 260/502.6

C08G 65/326 (2006.01) C09K 8/584 (2006.01) E21B 43/22 (2006.01)

Patent

CA 1216860

- 1 - Abstract of the disclosure Sulfonated tributylphenol ethoxylates of the formula Image where x denotes a number from 2 to 20, and M denotes a cation, their use as surfactants, in particular as auxi- liaries in the tertiary production of crude oil, and an improved, general process for preparing sulfonated alkyl and (alkyl) aryl polyalkoxylates by reacting halides of alkyl and (alkyl) aryl polyethoxylates with alkali metal sulfite by carrying out the reaction in the presence of lower alcohols, polyols, monoethylene glycol, polyethylene glycol or alkyl ethers thereof, as solubilizing agents.

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