Metal corrosion inhibitor

Details Metal corrosion inhibitor Metal corrosion inhibitor

1978-09-19

1980-08-26

Padgett, Benjamin R.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 76, 252 77, 252389A, 252392, 252396, 422 16, 422 17, 422 18, C23F 1118, C23F 1116, C23F 1114, C23F 1112

Patent

active

042194334

ABSTRACT:
Metal corrosion inhibitor comprising (a) benzoic acid and/or a benzoate, (b) a trialkanolamine, (c) phosphoric acid and/or a phosphate, and (d) at least one selected from mercaptobenzothiazole, its salts, benzotriazole and tolyltriazole, which can exhibit excellent anti-corrosive property to various metals for a long term and can be diluted with an aqueous liquor and can be employed in combination with usual anti-freezing agents.

REFERENCES:
patent: 3425954 (1969-02-01), Ruzovick et al.
British Standard Specification 3150, British Standards Institution, 1959.

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