Synergistic combinations of carboxylates for use as freezing...

Details Synergistic combinations of carboxylates for use as freezing... Synergistic combinations of carboxylates for use as freezing...

C - Chemistry, Metallurgy

09

K

C09K 5/20 (2006.01)

Patent

CA 2599138

Aqueous coolants and heat transfer fluids are disclosed. The compositions comprise aqueous solutions of a mixture of a C1-C2 carboxylate salt with a C3-C5 carboxylate salt. A C6-C12 acid may also be added to the mixture. The aqueous compositions may further comprise a hydrocarbyl triazole and thiazole. The aqueous compositions have good heat transfer properties, low freezing points and low corrosion properties.

Divulgation de frigorigènes et de fluides caloporteurs aqueux. Ces compositions contiennent des solutions aqueuses d'un mélange d'un carboxylate en C1-C2 et d'un carboxylate en C3-C5. Un acide en C6-C12 peut aussi être ajouté au mélange. Les compositions aqueuses peuvent en plus contenir un hydrocarbyltriazole et un thiazole. Les compositions aqueuses ont de bonnes propriétés de transfert thermique et d'inhibition de la corrosion, ainsi que des points de congélation bas.

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