Sulfurized aqueous machining fluid composition

Details Sulfurized aqueous machining fluid composition Sulfurized aqueous machining fluid composition

C - Chemistry, Metallurgy

10

M

C10M 173/02 (2006.01) C10M 135/02 (2006.01) C10M 135/18 (2006.01)

Patent

CA 2127680

Aqueous machining fluid compositions, especially aqueous metalworking fluid compositions, are provided that exhibit improved reduction of friction and forces in the mechanical shaping and working of metallic and solid non-metallic workpieces. These compositions comprise a) water, b) a sulfurized organic material selected from the group consisting of sulfurized unsaturated aliphatic carboxylic acids having from 6 to 22 carbon atoms and salts thereof, sulfurized unsaturated esters of aliphatic carboxylic acids having 1 to 22 carbon atoms, sulfurized polymerized unsaturated fatty acids and salts and esters thereof, and mixtures thereof, c) a sulfurized hydrocarbon and d) an aliphatic ester of a dialkyldithiocarbamic acid.

Compositions aqueuses pour usinage, notamment pour l'usinage des métaux, permettant de réduire davantage le frottement et les contraintes dans la mise en forme mécanique et l'usinage de pièces métalliques et non métalliques solides. Ces compositions renferment : a) de l'eau; b) une matière organique sulfurée, choisie dans un groupe constitué d'acides carboxyliques aliphatiques insaturés de 6 à 22 atomes de carbone et de leurs sels, d'esters sulfurés insaturés d'acides carboxyliques aliphatiques de 1 à 22 atomes de carbone, d'acides gras, sulfurés, insaturés et polymérisés, ainsi que de leurs sels, esters, et de leurs mélanges; c) d'un hydrocarbure sulfuré; d) d'un ester aliphatique d'acide dialkyldithio-carbamique.

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