CORROSION INHIBITOR FOR ANTIFREEZES Russian patent published in 1998 - IPC

Abstract RU 2104330 C1

FIELD: corrosion protection. SUBSTANCE: invention concerns antifreezes applicable as cooling agents in internal combustion engines and as heat carriers in heat-exchange apparatuses. Inhibitor contains, wt.-%: phosphoric acid, 7.7-7.9; potassium hydroxide, 7.9-8.6; alkali metal carbonate, 0.5-0.7; 2- mercaptobenzothiazol alkali metal salt, 0.15-0.40; Trilon B, 0.28- 0.30; water, 14-15; and ethylene glycol, the balance. EFFECT: improved environmental safety with preserved high level of corrosion- protection activity. 3 tbl

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RU 2 104 330 C1

Authors

Esenin V.N.

Chizhov E.B.

Belokurova I.N.

Chernilin A.Ju.

Dates

1998-02-10—Published

1995-12-29—Filed