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  • 专利标题:   Engine lubricating oil composition comprises metal detergent including mixture of calcium alkyl salicylate, two ashless dispersants, anti-oxidant, anti-corrosion and anti-wear agent, viscosity index improver, pour point depressant, antifoaming agent, two base oils, surface-modified graphene oxide.
  • 专利号:   CN115521821-A
  • 发明人:   HUO R, GAO W, WU L, HAO Y, SUN Q, GUO Y, ZHANG C
  • 专利权人:   SHANXI LUAN TAIHANG LUBRICATION TECHNOLO
  • 国际专利分类:   C10M169/04, C10N030/04, C10N030/06, C10N030/10, C10N040/25
  • 专利详细信息:   CN115521821-A 27 Dec 2022 C10M-169/04 202314 Chinese
  • 申请详细信息:   CN115521821-A CN11049539 30 Aug 2022
  • 优先权号:   CN11049539

▎ 摘　　要

NOVELTY - Engine lubricating oil composition comprises 1.5-4.5 wt.% metal detergent, 5.1-6.0 wt.% two ashless dispersants, 1.5-3.5 wt.% anti-oxidant, anti-corrosion and anti-wear agent, 4.0-10.0 wt.% viscosity index improver, 0.2-0.4 wt.% pour point depressant, 0.001-0.010 wt.% antifoaming agent, 74.1-82.1 wt.% two base oils, and 1.5-5.5 wt.% surface-modified graphene oxide. USE - Engine lubricating oil composition. ADVANTAGE - The engine lubricating oil composition has excellent high-temperature detergency, excellent anti-oxidation abrasion resistance and medium-low temperature dispersibility, saved energy, and eco-friendly.