润滑科技信息平台

机械工程学会摩擦学分会固体润滑国家重点实验室摩擦学学报

聚α烯烃基合成齿轮润滑剂

专利摘要

本发明提供了与添加剂共混的基于聚α烯烃的润滑剂,其在传热、膜完整性、氧化稳定性和能量效率方面表现出显着的性能改进。 ......

基本信息

专利类型:
发明专利
申请/专利号:
PCT/US2024/028176
申请日期:
2024-05-07
专利申请人:
["巴斯夫欧洲公司","巴斯福公司"]
分类号:
["C10M107/10","C10M119/02","C10M169/02"]
发明/设计人:
MA, QINGGAO PHILIP ， MANITIU, MIHAI ， MOSHER, DONNA MAE ， STEELE, CHAD R
权利要求: 074008-000787 (BASF Reference 230100WO01) WHAT IS CLAIMED IS 1. A lubricant composition comprising a mixture of: a base oil comprising a polyalphaolefin lubricant fluid with a first viscosity; a polymer thickener with a second viscosity higher than the first viscosity; and an additive package. 2. The composition of claim 1, wherein the lubricant composition has at least one of the following characteristics: (i) an air release time of less than 30 seconds at 50°C as measured by ASTM D3427, (ii) a traction coefficient of less than 0.018 at 50 N at 40% slide to roll ratio at 100°C. 3. The composition of claim 1, wherein the polyalphaolefin lubricant fluid is derived from C8 to C16 linear alphaolefins by oligomerization with a metallocene catalyst. 4. The composition of claim 1, wherein the polyalphaolefin lubricant fluid is derived from 1-decene. 5. The composition of claim 1, wherein the polyalphaolefin lubricant fluid is derived from 1-dodecene. 6. The composition of claim 1, wherein the polyalphaolefin lubricant fluid is derived from 1-tetradecene. 7. The composition of claim 1, wherein the polyalphaolefin lubricant fluid is derived from 1-hexadecene. 8. The composition of claim 1 wherein the polyalphaolefin lubricant fluid has a kinematic viscosity from 1.7 cSt to 7.5 cSt at 100°C. 9. The composition of claim 1, wherein the polyalphaolefin lubricant fluid comprises a mixture of 1-decene tetramers and trimers. DMS_US.363915825.1074008-000787 (BASF Reference 230100WO01) 10. The composition of claim 1, wherein the polymer thickener comprises a polyalphaolefin made with a metallocene catalyst with a kinematic viscosity of from 130.0 cSt to 170.0 cSt at 100°C 11. The composition of claim 1, wherein the additive package comprises one or more additives selected from the group consisting of antioxidants, antiwear additives, metal deactivators, corrosion inhibitors, defoamers, metal passivators, dispersants, and antioxidants. 12. The composition of claim 1, wherein the polyalphaolefin lubricant fluid comprises from 60 wt.% to 98.9 wt.% of the lubricant composition, based on the total weight of the lubricant composition. 13. The composition of claim 1, wherein the polymer thickener comprises from 0.1 wt.% to 30 wt.% of the lubricant composition, based on the total weight of the lubricant composition. 14. The composition of claim 1, wherein the additive package comprises from 1 wt.% to 10 wt.% of the lubricant composition, based on the total weight of the lubricant composition. 15. The composition of claim 1, wherein the pour point temperature is -60°C or lower according to ASTM D97. 16. The composition of claim 1, wherein the BF viscosity at -40°C is 6000 cP or lower according to ASTM D2983. 17. The composition of claim 1, wherein the air release at 50°C is less than 30 seconds according to ASTM D3427. 18. The composition of claim 1, wherein the air release at 75°C is less than 30 seconds according to ASTM D3427. DMS_US.363915825.1074008-000787 (BASF Reference 230100WO01) 19. The composition of claim 1, wherein the traction coefficient as measured by a mini traction machine (MTM) at 40% slide to roll ratio (SRR%), at 50 N and 40°C is less than 0.035. 20. The composition of claim 1, wherein the traction coefficient as measured by a mini traction machine (MTM) at 40% slide to roll ratio (SRR%), at 50 N and 100°C is less than 0.018. 21. The composition of claim 1, wherein the scuffing protection failure load stage is 6 or greater according to the FZG Gear Test A10/16.6R/90. 22. The composition of claim 1, used in an electric drivetrain. 23. The composition of claim 1, used a motor of an electric vehicle. 24. The composition of claim 1, used in an axle of an electric vehicle. 25. The composition of claim 1, used in the gearbox of an electric vehicle. DMS_US.363915825.1