Abstract:
A lubricating grease composition that is a mixture of (a) a hydrocarbon-based oil, (b) a perfluoro-polyalkyl ether oil of the formula A′—(O—CF2)v—(O—C2F4)w—(O—C3F6)x—(O—C4F8)y—(O—CF2CF(CF3))z—O—A″ in which A′ is —CF3, —C2F5, —C3F7, or —CF2T where T is H or Cl, A″ is A′ or —CF3, C2F5, —C3F7, or —CF2T, where T is H or Cl1 and v, w, x, y and z are whole numbers ≧0, (c) a dicarbamide as a thickening agent, (d) typical additives and (e) organic and inorganic solid lubricants. A process for the production of the lubricating grease composition is also provided.
Abstract translation:一种润滑脂组合物,其是(a)烃类油,(b)下式的全氟聚烷基醚油的混合物,其中A'是-CF 3,-C 2 F 5,-C 3 F 7或-CF 2 T,其中T是H 或Cl,A“是A'或-CF 3,C 2 F 5,-C 3 F 7或-CF 2 T,其中T是H或Cl1,并且v,w,x,y和z是整数> = 0,(c) 增稠剂,(d)典型的添加剂和(e)有机和无机固体润滑剂。还提供了生产润滑脂组合物的方法。
Abstract:
A lubricant grease composition comprising is disclosed. The composition includes:(a) an oil or oil mixture of one or more ester of aromatic tricarboxylic or tetracarboxylic acids with an alcohol or a mixture of alcohols having the general composition C.sub.n H.sub.2n+1 OH with n=7 to 22 and/or one or more of the esters of trimethylolpropane, pentaerythritol or dipentaerythritol with aliphatic carboxylic acids having the general composition C.sub.n H.sub.2n+1 COOH with n=6 to 21,(b) a thickening agent comprising a biurea and/or polyurea, and(c) a wear-protecting additive comprising a mixture of the components triaryl phosphorothionate, C.sub.8 -C.sub.20 alkylamino monohexyl and dihexyl phosphate and C.sub.1 -C.sub.8 -alkylamino isobutyl phospate.
Abstract translation:公开了一种润滑脂组合物。 该组合物包括:(a)一种或多种芳族三羧酸或四羧酸酯与醇或醇的混合物的油或油混合物,其总体组成为C n H 2n + 1 OH,n = 7至22和/或一种或多种 三羟甲基丙烷,季戊四醇或二季戊四醇与具有n = 6至21的总体组成CnH2n + 1COOH的脂族羧酸的酯,(b)包含双脲和/或聚脲的增稠剂,和(c)耐磨保护添加剂 包括硫代磷酸三芳基酯,C8-C20烷基氨基单己基和磷酸二己酯和C1-C8-烷基氨基异丁基磷酸酯的混合物。