Heat transfer fluids containing dicarboxylic acid mixtures as co

Details Heat transfer fluids containing dicarboxylic acid mixtures as co Heat transfer fluids containing dicarboxylic acid mixtures as co

1988-11-14

1990-08-07

Lieberman, Paul

Compositions

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

Organic components

252 73, 252 76, 252 77, 252 79, 252394, 252396, C09K 500

Patent

active

049466160

ABSTRACT:
A coolant composition for use in automotive engines is disclosed which comprises a liquid alcohol freezing depressant and a corrosion inhibitor consisting essentially of decanedioic acid, dodecanedioic acid and sodium tolyltriazole.

REFERENCES:
patent: 2726215 (1955-12-01), Jones
patent: 4448702 (1984-05-01), Kaes
patent: 4578205 (1986-03-01), Yeakey et al.
patent: 4584119 (1986-04-01), Duranleau et al.
patent: 4592853 (1986-06-01), Darden et al.
patent: 4647392 (1987-03-01), Darden et al.
Engine Coolant Testing: State of the Art, ASTM STP 705, W. H. Ailor, Ed., American Society for Testing and Materials, 1980, pp. 295-309.
G. Butler et al., "Inhibitor Formulations for Engine Coolants", Br. Corros. J., 1977, vol. 12, No. 3, pp. 171-174.
E. W. Beale et al., "Evaluation of a Novel Engine Coolant Based on Ethanediol Developed to Replace AL-3 (NATO S735) as the Automotive Antifreeze used by the British Army".

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