Antifreezing agent

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/00 (2006.01) C09K 3/18 (2006.01)

Patent

CA 2341559

An antifreezing agent with which metal rusting can be inhibited at low cost without posing any new problem. The agent is obtained by melting a mixture of at least one chloride selected among sodium chloride, calcium chloride, and magnesium chloride and trisodium citrate at 100 to 250 ~C and then drying it.

Cette invention se rapporte à un agent antigel grâce auquel on peut empêcher la rouille des métaux à faible coût sans créer de nouveaux problèmes. On obtient cet agent en faisant fondre un mélange, composé par au moins un chlorure, choisi parmi le chlorure de sodium, le chlorure de calcium, et le chlorure de magnésium, et par du citrate trisodique à une température comprise entre 100 et 250 ·C puis en séchant ce mélange.

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