Alkaline dinonylnaphthalene sulfonate barium manufacturers tell you the synthesis route of dinonylnaphthalene sulfonate barium


Barium dinonylnaphthalene sulfonate is a widely used anti-rust additive. It has excellent anti-rust properties for various metals and their parts. It has good oil-soluble stability, lubrication and anti-wear properties. Stability in wet conditions is also good.
The first step, the alkylation reaction

Alkaline Barium Dinonylnaphthalene Sulfonate china

The nonene fraction at 123-175 ℃ is cut from the superposed gasoline by distillation, and the nonene reacts with naphthalene under the action of concentrated sulfuric acid catalyst to generate dinonylnaphthalene (at the same time, monobenylnaphthalene and nonane are generated).
The second step, sulfonation reaction
Dinonylnaphthalene reacts with oleum to generate dinonylnaphthalene sulfonic acid.
The third step, bariumization reaction
Dinonylnaphthalenesulfonic acid reacts with barium hydroxide to form barium dinonylnaphthalenesulfonate (including neutral barium dinonylnaphthalenesulfonate and basic barium dinonylnaphthalenesulfonate).

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