Lubricant formulations comprising phospholipid for sheet...

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 137/04 (2006.01) C10M 129/72 (2006.01) C10M 129/74 (2006.01) C10M 129/76 (2006.01) C10M 137/06 (2006.01) C10M 137/08 (2006.01)

Patent

CA 2570375

A lubricant for food, beer or beverage container and container component stock is provided containing, as a conductivity enhancing additive, a phospholipid having a structure of Formula (I) wherein R1 and R2 are fully saturated fatty acyl radicals derived from saturated fatty acids containing from about 10 to 22 carbon atoms; and R3 is selected from the group consisting of choline, salts and mono- salts of Group I and II metals and fatty acid neutralized ethanolamine. Lubricant formulations are also described, comprising 0.5 to 50 wt% fatty acid ester of propylene glycol, 0.5 to 90 wt% petrolatum and 0.5 to 90 wt% mineral white oil. Finally, a lubricant for metalworking is described, containing as a load-bearing additive, a fatty acid monoester of propylene glycol as given by Formula (II) wherein n is from 7 to 21 and in which the acyl moiety is hydrogenated to maximize saturation.

L'invention porte sur un lubrifiant utilisé pour la fabrication de récipients pour aliments et boissons et celle des tôles y servant contenant comme additif améliorant la conductivité, un phospholipide de formule (I) dans laquelle: R1 et R2 sont des radicaux d'acyles gras entièrement saturés dérivant d'acides gras saturés à 10 à 22 atomes de carbone; et R3 est sélectionné parmi la choline, des sels et monosels de métaux des groupes I et II, et de l'éthanolamine neutralisée par un acide gras. L'invention porte également sur des lubrifiants contenant de 0,5 à 50 % en poids d'ester d'acide gras et de propylène glycol, de 0,5 à 90 % en poids de pétrolatum, et de 0,5 à 90 % en poids d'huile minérale blanche. L'invention porte en outre sur un lubrifiant de métallurgie contenant en tant qu'additif de mise en charge un monoester d'acide gras et de propylène glycol de formule (II) dans laquelle: n est compris entre 7 et 21, et le fragment acyle est hydrogéné jusqu'à la saturation maximale.

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