Anti-seize composition in solid form

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 103/00 (2006.01) C10M 169/00 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2463128

An anti-seize composition which is non-flowable and dimensionally stable at temperatures greater than about 120~F and dispensable at room temperature without the application of heat is provided. The composition includes a solid anti-seize lubricant, such as of metallic copper, metallic nickel, metallic aluminum, metallic lead, metallic zinc, graphite, calcium oxide, calcium carbonate, calcium fluoride, calcium stearate, lithium, molybdenum disulfide, boron nitride, barium sulfate, or combinations thereof. The anti-seize lubricant is dispersed in a carrier which is a solid at about room temperature. The carrier includes a grease with an ASTM D 217 penetration at 25~C from about 200 to about 400 mm, a matrix material, and a naphthenic petroleum oil having a viscosity of less than about 300 SUS at 100~F and having an API gravity at 60~F from about 23 to about 25. The matrix material is a polymeric material. Optionally, a refined petroleum wax may also be included.

La présente invention concerne une composition anti-grippante non fluide et de dimension stable à des températures supérieures à 120·F environ et pouvant être distribuée à température ambiante sans application de chaleur. La composition de l'invention comprend un lubrifiant solide anti-grippant, tel qu'un cuivre métallique, un nickel métallique, un aluminium métallique, un plomb métallique, un zinc métallique, du graphite, de l'oxyde de calcium, du carbonate de calcium, du fluorure de calcium, du stéarate de calcium, du lithium, du disulfure de molybdène, du nitrure de bore, du sulfate de baryum, ou une combinaison de ces derniers. Le lubrifiant anti-grippant de l'invention est dispersé dans un véhicule qui est solide environ à la température ambiante. Le véhicule comprend une graisse avec une pénétration ASTM D 217 à 25 ·C comprise entre environ 200 et environ 400 mm, une matière constituant matrice, et une huile de pétrole naphténique d'une viscosité inférieure à environ 300 SUS à 100 ·F et d'une gravité API à 60 ·F comprise entre environ 23 et environ 25. La matière constituant matrice est une matière polymérique. On peut aussi inclure, facultativement, une cire de pétrole raffinée.

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