Ferric phosphate based composition, the preparation and use...

C - Chemistry – Metallurgy – 01 – B

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C01B 25/37 (2006.01) A01N 59/00 (2006.01) B27K 3/26 (2006.01) C09K 21/04 (2006.01) C23F 11/18 (2006.01)

Patent

CA 2724190

The invention deals with an ferric phosphate based composition, in order to obtain which 100 mass fractions of orthophosphoric acid, 10-20 mass fractions of iron(III) oxide, 5-10 mass fractions of powdery aluminium oxide and 100 mass fractions of water are mixed, whereas the reaction takes place within a temperature range of 60-70 °C and at least one nanopowder from among silver, copper or flint is added to the mixture in the amount of 0.5 mass fractions. The ferric phosphate based compositions can be used for the bio- and fire protection of timber, as an antibacterial disinfectant, as well as a rust converter for the rust-inhibiting of metals.

La présente invention concerne une composition à base de phosphate ferrique. Afin d'obtenir cette composition, 100 fractions en masse d'acide orthophosphorique, 10-20 fractions en masse d'oxyde de fer (III), 5-10 fractions en masse d'oxyde d'aluminium en poudre et 100 fractions en masse d'eau sont mélangées, la réaction se produisant à une température variant de 60 à 70 °C et au moins une nanopoudre parmi l'argent, le cuivre et le silex étant ajoutée au mélange en quantité de 0.5 fraction en masse. Les compositions à base de phosphate ferrique peuvent être utilisées pour la protection biologique et contre l'incendie du bois en grume, comme désinfectant antibactérien, ainsi que comme convertisseur de rouille pour une protection antirouille des métaux.

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