申请人:The Lubrizol Corporation
公开号:EP0922753A2
公开(公告)日:1999-06-16
Disclosed is a metal working composition comprising a major amount of water and a minor amount of an additive comprising
(A) at least one carboxylic ester characterized by the formula
wherein R0 is a hydrogen, methyl, ethyl, -CH2COOR2 or -CH2CO(OCHR5CH2)nOR6, R1 is hydrogen, methyl or ethyl, R2 is an alkyl group containing from 1 to 12 carbon atoms; R3 is hydrogen or -CO(OCHR5CH2)nOR6, R5 is hydrogen or a methyl group, R6 is a aliphatic group containing from 4 to 30 carbon atoms or a phenyl or aliphatic substituted phenyl group wherein the aliphatic substituent contains from 1 to 8 carbon atoms, R4 is -COOR2, or -CO(OCHR5CH2)nOR6 and n is a integer of from 1 to 30; with the proviso that when R0 does not equal hydrogen, methyl or ethyl that R1 and R3 are hydrogen and
(B) at least one rust inhibitor comprising
(1) an amine acid salt or amide;
(2) a nitrogen-containing, phosphorus-free carboxylic composition;
(3) an amine; or
(4) an alkoxylated amine.
公开了一种金属加工组合物,它由大量的水和少量的添加剂组成,添加剂包括
(A) 至少一种羧酸酯,其特征为式
其中 R0 是氢、甲基、乙基、-CH2COOR2 或-CH2CO(OCHR5CH2)nOR6,R1 是氢、甲基或乙基,R2 是含有 1 至 12 个碳原子的烷基;R3 是氢或-CO(OCHR5CH2)nOR6,R5 是氢或甲基,R6 是含有 4 至 30 个碳原子的脂肪族基团或苯基或脂肪族取代的苯基,其中脂肪族取代基含有 1 至 8 个碳原子,R4 是-COOR2,或-CO(OCHR5CH2)nOR6,n 是 1 至 30 的整数;但当 R0 不等于氢、甲基或乙基时,R1 和 R3 是氢,R4 是-COOR2,或-CO(OCHR5CH2)nOR6,n 是 1 至 30 的整数。
(B) 至少一种防锈剂,包括
(1) 氨基酸盐或酰胺;
(2) 含氮无磷羧基组合物
(3) 一种胺;或
(4) 烷氧基化胺。