Extremely-low-volatility PAO (polyalpha-olefin) lubricating grease and preparation method thereof
A volatile, lubricating grease technology, applied in the direction of lubricating compositions, petroleum industry, etc., can solve the problems that cannot meet the actual use requirements, and achieve the effect of simple composition, simple process and cost reduction
Pending Publication Date: 2018-04-17
东莞市欧迪斯润滑剂科技有限公司
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Abstract
The invention provides extremely-low-volatility PAO (polyalpha-olefin) lubricating grease and a preparation method thereof. The extremely-low-volatility PAO lubricating grease is prepared by, by weight percentage, 55-80% of rectified low-viscosity polyalpha-olefin, 19.5-44% of teflon micro-powder and 0.5-1% of dialkyl diphenylamine. The preparation method includes the steps of firstly, evenly mixing different-viscosity PAO in 1-3 with dialkyl diphenylamine according to the proportion for standby; secondly, rectifying base oil obtained in the first step; thirdly, taking out heavy components obtained after the rectifying, proportionally adding the heavy components and PTFE into a stirring kettle, and evenly stirring at the stirring speed of 35-45rpm; fourthly, after visual observation showsthat the heavy components and the PTFE are evenly stirred, grinding once, evenly mixing, then grinding twice, and loading into a grease barrel.
Application Domain
Lubricant composition
Technology Topic
Visual observationBase oil +2
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PUM
Property | Measurement | Unit |
Kinematic viscosity | 10.0 | mm²/s |
Particle size | 7.0 | µm |
Kinematic viscosity | 25.0 | mm²/s |
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