润滑科技信息平台

Water based semi-synthetic metal working fluid composition containing an alkyl alcohol amine

专利摘要

The current invention relates to a novel class of alkyl alcohol amines where the amine is a primary amine. Embodiments relate to a method of controlling microbial growth in metal working fluids, comprising adding such an alkyl alcohol amine to the metal working fluid. Other embodiments relate to semi-synthetic metal working fluid compositions which include the microbial growth control agent comprising this particular class of alkyl alcohol amines. ......

基本信息

专利类型:
发明专利
申请/专利号:
PCT/CN2022/084427
申请日期:
2022-03-31
专利申请人:
["陶氏环球技术公司","BELOWICH MATTHEW","JIANG QI","ZHAO CHAO","CHEN XUE","ZHAO YONG"]
分类号:
["C10M105/62","C10M173/00","C10N30/12","C10N30/16","C10N30/00","C10N50/00"]
发明/设计人:
BELOWICH, MATTHEW ， JIANG, QI ， ZHAO, CHAO ， CHEN, XUE ， ZHAO, YONG
权利要求: A semi-synthetic metal working fluid, comprising:a. at least one base oil;b. at least one microbial growth control agent comprising an alkyl amine alcohol with the structure of:where R1 and R2 are H, or a C2 to C8 linear, branched or cyclic alkyl group, with the proviso that at least one of R1 and R2 is H and at least one of R1 and R2 is a C2 to C8 alkyl group;c. one or more organic acid;d. one or more emulsifiers;e. one or more concentrate additives; andf. water.The semi-synthetic metal working fluid of claim 1, wherein R1 of the microbial growth control agent is H.The semi-synthetic metal working fluid of claim 1, wherein R2 is a linear alkyl group.The semi-synthetic metal working fluid of claim 1, wherein the microbial growth control agent further comprises another amine.The semi-synthetic metal working fluid of claim 1, wherein the microbial growth control agent comprises monoisobutyanolamine.The semi-synthetic metal working fluid of claim 1, wherein the base oil is selected from naphthenic oils, paraffinic oils, ester oils and mixtures thereof.The semi-synthetic metal working fluid of claim 1, wherein the emulsifier is selected from C16-18 alcohols which have been ethoxylated or propoxylated, ethoxylated C12-C15 alcohols, sodium alkane sulfonate and alky ether carboxylates and mixtures thereof.The semi-synthetic metal working fluid of claim 1, wherein the solubilizer/corrosion inhibitor is selected from ethylhexoic acid, azelaic acid, tall oil fatty acid, 12-hydoxyl- (cis) -9-octadecenoic acid, dicarboxylic acid, 9-octadecenoic acid, sebacic acid. and mixtures thereof.The semi-synthetic metal working fluid of claim 1, wherein the microbial growth control agent is present in an amount of from 6 to 15 percent by weight of the semi-synthetic metal working fluid.The semi-synthetic metal working fluid of claim 1, wherein the base oil is present in an amount of from 10 to 45 percent by weight of the semi-synthetic metal working fluid.The semi-synthetic metal working fluid of claim 1, wherein the emulsifier is present in an amount of from 5 to 20 percent by weight of the semi-synthetic metal working fluid.The semi-synthetic metal working fluid of claim 1, wherein the solubilizer is present in an amount of from 3 to 10 percent by weight of the semi-synthetic metal working fluid.The semi-synthetic metal working fluid of claim 1, wherein the water is present in an amount of from 20 to 60 percent by weight of the semi-synthetic metal working fluid.A composition suitable for use as a microbial growth control agent in a metalworking fluid comprising an alkyl amine alcohol with the structure of:where R1 and R2 are H, or a C2 to C8 linear, branched or cyclic alkyl group, with the proviso that at least one of R1 and R2 is H and at least one of R1 and R2 is a C2 to C8 alkyl group.The composition of claim 14 where at least one of R1 and R2 is a linear alkyl group.