润滑科技信息平台

Water based semi-synthetic metal working fluid composition containing an aminopropanediol

专利摘要

The present invention describes a water-based metal working fluid comprising a base oil, an organic acid, optionally emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an aminopropanediol. ......

基本信息

专利类型:
发明专利
申请/专利号:
PCT/CN2022/084429
申请日期:
2022-03-31
专利申请人:
["陶氏环球技术公司","JIANG QI","CHEN XUE"]
分类号:
["A01N33/08","A01P1/00"]
发明/设计人:
JIANG, QI ， CHEN, XUE
权利要求: A metal working fluid, comprising:a. at least one base oil;b. at least one microbial growth control agent comprising an amiopropanediol with a structure that corresponds to the formula:wherein R1 is propane-2, 3-diol; R2 is hydrogen, methyl, ethyl, 2-hydroxyethyl, or propane-2, 3-diol; and R3 is hydrogen, methyl, ethyl, 2-hydroxyethyl or propane-2, 3-diol;c. one or more organic acids;d. optionally, one or more emulsifiers;e. one or more concentrate additives; andf. water.The metal working fluid of claim 1, wherein at least one of R2 and R3 of the microbial growth control agent is methyl.The metal working fluid of claim 1, wherein both of R2 and R3 of the microbial growth control agent are methyl.The metal working fluid of claim 1, wherein the microbial growth control agent further comprises another amine.The metal working fluid of claim 1, wherein the base oil is selected from naphthenic oils, paraffinic oils, ester oils and mixtures thereof.The 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 metal working fluid of claim 1, wherein the solubilizer/corrosion inhibitor is selected from ethylhexoic acid, azelaic acid, toll oil fatty acid, 12-hydoxyl- (cis) -9-octadecenoic acid, dicarboxylic acid, 9-octadecenoic acid, sebacic acid, and mixtures thereof.The metal working fluid of claim 1, wherein the concentrate additive is selected from diethylene glycol butyl ether, ethylene glycol monobutyl ether, propylene glycol butyl ether and mixtures thereof.The 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 metal working fluid.The 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 metal working fluid.The metal working fluid of claim 1, wherein the emulsifier is present in an amount of from 5 to 20 percent by weight of the metal working fluid.The metal working fluid of claim 1, wherein the solubilizer is present in an amount of from 3 to 10 percent by weight of the metal working fluid.The metal working fluid of claim 1, wherein the water is present in an amount of from 20 to 60 percent by weight of the metal working fluid.A composition suitable for use as a microbial growth control agent in a metalworking fluid comprising an amiopropanediol having a structure that corresponds to the formula:wherein R1 is propane-2, 3-diol; R2 is hydrogen, methyl, ethyl, 2-hydroxyethyl, or propane-2, 3-diol; and R3 is hydrogen, methyl, ethyl, 2-hydroxyethyl or propane-2, 3-diol. 15.The metal working fluid of claim 14, wherein at least one of R2 and R3 of the composition is methyl.The metal working fluid of claim 15, wherein both of R2 and R3 of the composition are methyl.