▎ 摘　　要

NOVELTY - Preparation of water-soluble nano-wheel belt high-temperature super-lubricant involves preparing sandwich structure molybdenum disulfide/graphene/molybdenum disulfide as solid additive, preparing aqueous bio-based fungicide by adding carbon nanotubes to the lysozyme aqueous solution, ultrasonically processing for 15-20 minutes, placing in ice bath for 60-90 minutes, centrifuging to obtain carbon nanotubes/lysozyme, adding lubricant, emulsifier, oily bactericide to the base oil, stirring at 50-60degreesC to obtain oil phase mixed solution, adding anti-corrosion agent, aqueous bio-based fungicide carbon nanotubes/lysozyme to water and dissolving to obtain aqueous phase solution, adding aqueous phase solution to the oil phase mixed solution, stirring to obtain emulsion, adding the solid additive to the emulsion, stirring to obtain colloid mixture, and homogenizing in three-roller ball mill for 2-3 times. The molar ratio of the molybdenum disulfide and the organolithium salt is 1:2. USE - Preparation of water-soluble nano-wheel belt high-temperature super-lubricant. ADVANTAGE - The prepared high-temperature super-lubricant can reduce the relative friction between the belt and the backing plate, improve the life of the device and reduce the energy consumption. DETAILED DESCRIPTION - Preparation of water-soluble nano-wheel belt high-temperature super-lubricant involves preparing sandwich structure molybdenum disulfide/graphene/molybdenum disulfide by adding molybdenum disulfide to the organic hydrocarbon solution of organolithium salt, magnetically stirring in inert argon atmosphere at room temperature for 2-3 hours, stirring the mixed solution for 5- 8 days, washing with organic hydrocarbon solvent, drying under reduced pressure to obtain lithium molybdenum disulfide, then adding to deionized water, ultrasonically processing for 2-3 hours to obtain exfoliated lithium molybdenum disulfide, dissolving cetyltrimethylammonium bromide to deionized water in mass ratio of 1:5, ultrasonically processing for 2-3 hours to obtain exfoliated lithium molybdenum disulfide-cetyltrimethylammonium ion solution, adding dispersion of graphene oxide, continuously ultrasonically processing for 2-3 hours to form graphene oxide-lithium molybdenum disulfide-cetyltrimethylammonium ion solution, adding the reducing agent, transferring to reaction kettle, reacting at 160-180degreesC for 6-8 hours, filtering the precipitate, washing 3-5 times with deionized water and ethanol, freeze-drying for 18-24 hours to obtain molybdenum disulfide/graphene/molybdenum disulfide as solid additive, preparing aqueous bio-based fungicide by adding carbon nanotubes to the lysozyme aqueous solution with concentration of 10-3 to 10-4 mol/L, ultrasonically processing for 15-20 minutes, placing in ice bath for 60-90 minutes, centrifuging to obtain carbon nanotubes/lysozyme, adding lubricant, emulsifier, oily bactericide to the base oil, stirring at 50-60degreesC to obtain oil phase mixed solution, adding anti-corrosion agent, aqueous bio-based fungicide carbon nanotubes/lysozyme to water and dissolving to obtain aqueous phase solution, adding aqueous phase solution to the oil phase mixed solution, stirring to obtain emulsion, adding the solid additive to the emulsion, stirring to obtain colloid mixture, and homogenizing in three-roller ball mill for 2-3 times. The molar ratio of the molybdenum disulfide and the organolithium salt is 1:2.