Heat transfer fluids and corrosion inhibitor formulations...

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 5/06 (2006.01) C23F 11/08 (2006.01) F01P 3/00 (2006.01)

Patent

CA 2743095

Disclosed herein is a heat transfer fluid comprises: a freezing point-depressant; an aliphatic carboxylic acid, a salt thereof, or a combination of the foregoing; an inorganic phosphate; a magnesium compound; deionized water; and a component selected from the group consisting of azole compounds, copper alloy corrosion inhibitors, phosphonocarboxylates, phosphinocarboxylates, and combinations of two or more of the foregoing components. Also described is a heat transfer system comprising the heat transfer fluid.

L'invention concerne un fluide de transfert de chaleur comprenant : un additif antigel ; un acide carboxylique aliphatique, l'un de ses sels ou une combinaison de ces derniers ; un phosphate inorganique ; un composé de magnésium ; de l'eau désionisée ; et un composant choisi dans le groupe constitué par les composés à base d'azole, les agents anticorrosion du cuivre, les phosphonocarboxylates, les phosphinocarboxylates et les combinaisons de deux ou plus de deux des composants précédemment mentionnés. L'invention concerne également un système de transfert de chaleur comprenant le fluide de transfert de chaleur.

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