Antifreeze concentrates and coolants containing heteropolymolybd

Details Antifreeze concentrates and coolants containing heteropolymolybd Antifreeze concentrates and coolants containing heteropolymolybd

1986-06-06

1988-05-10

Wax, Robert

Compositions

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

Organic components

252 74, 252387, 2523892, 2523893, 25238954, C09K 500

Patent

active

047433930

ABSTRACT:
The subject invention relates to a polyhydroxy alcohol-based antifreeze concentrate for engines containing aluminum parts which utilizes certain heteropolymolybdate compounds as corrosion inhibitors for aluminum parts. In addition, the antifreeze contains conventional components such as a buffer, silicate, and nitrate.

REFERENCES:
patent: 2803604 (1957-08-01), Meighen
patent: 4382008 (1983-05-01), Boreland et al.
patent: 4382870 (1983-05-01), Abel et al.
patent: 4452715 (1984-06-01), Hirozawa
patent: 4455248 (1984-06-01), Wood
patent: 4561990 (1985-12-01), Darden
Brasher et al., "Sodium Dodecamolybdophosphate as a Corrosion Inhibitor in Aqueous Solution," Brit. Corros. J. 1969, 4(2), 74-9.
Xu et al., "Study of Heteropolymolybdates as Water Corrosion Inhibitors," Huadong Huagong Xueyuan Xuebao 1981, (2), 13-18.

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