PROCESS FOR PREPARING ANION ACTIVE SURFACE ACTIVE AGENT BASED ON CARBOXYMETHYLATES OF OXYETHYLATED ISOMONYLPHENOLS Russian patent published in 1995 - IPC

Abstract RU 2047593 C1

FIELD: organic chemistry. SUBSTANCE: the product: carboxylates of oxyethylated isononylphenols. Externally it is a paste. The pH value is 6.5-7.5 the amount of carboxylate used is 66-81% The heat forming capacity is 150 mm. The foam stability is 0.8. Reagent 1: oxyethylated isononylphenol. Reagent 2: sodium monochloroacetate. Reaction conditions: the molar ratio of sodium monochloroacetate to oxyethylated isononylphenol is (0.8-1.0) to 1 at 45-50 C in the presence of an alkali agent such as crystalline sodium hydroxide in a molar ratio to oxyethylated isononylphenol of (0.8-1.0) to 1 in a nitrogen atmosphere till the pH of the reaction mixture reaches 6.5-7.5. EFFECT: more efficient preparation process.

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RU 2 047 593 C1

Authors

Basimova R.A.

Kadnikov V.L.

Masjutin V.N.

Muntanion L.M.

Dates

1995-11-10—Published

1992-01-23—Filed