Cooling liquid for screw-type air compressor and preparation method of cooling liquid

• Main Authors: WANG XIAOLONG, WEI FANGSHI
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: ADHESIVES; CHEMISTRY; DYES; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LUBRICANTS; LUBRICATING COMPOSITIONS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; POLISHES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

The invention relates to the technical field of cooling liquid, in particular to cooling liquid for a screw-type air compressor and a preparation method of the cooling liquid. The cooling liquid for the screw-type air compressor comprises the following components: secondary hydrogenated mineral oil, an ashless antioxidant, polymethacrylate, zinc dipentyldithiocarbamate, aliphatic aromatic hydrocarbon, a polyether high-molecular compound and a composite additive, wherein the ashless antioxidant is a composition of ashless thiocarbamate and a methyl benzotriazole derivative. The cooling liquid for the screw-type air compressor is long in service life and low in cost. 本发明涉及冷却液技术领域，尤其涉及一种螺杆式空压机冷却液及其制备方法，该螺杆式空压机冷却液包括如下组分：二次加氢矿物油、无灰抗氧剂、聚甲基丙烯酸酯、二戊基二硫代氨基甲酸锌、脂肪芳香烃、聚醚类高分子化合物及复合添加剂；所述无灰抗氧剂为无灰硫代氨基甲酸酯与甲基苯三唑衍生物的组合物。本发明所述的螺杆式空压机冷却液，寿命长、成本低。