A kind of phosphorus nitrogen lubricating additive and its preparation method and application
A technology of lubricating additives and phosphorus-nitrogen, applied in the field of phosphorus-nitrogen lubricating additives and their preparation, can solve the problems of lack of lubricating additives, and achieve the effect of excellent friction reduction, antiwear and excellent lubricating performance.
Active Publication Date: 2022-06-21
青岛中科润美润滑材料技术有限公司
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Problems solved by technology
[0005] The object of the present invention is to provide a kind of phosphorus nitrogen lubricating additive and preparation method thereof, solve the technical problem that lacks the lubricating additive prepared with ricinoleic acid as raw material in the prior art
Method used
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Embodiment 1
[0023] (1) Weigh 14.923 g (0.05 mol) of ricinoleic acid and place it in a 100 ml three-necked flask, pass in protective gas nitrogen, and then add 13.43 g (0.05 mol) of chlorodiphenyl phosphate and 0.4 g of non-toxic Water aluminum trichloride was heated to 120 °C, and the reaction was continued for 3 h. After the reaction, the catalyst was removed by washing with water.
[0024] (2) Weigh 5.31 g (0.01 mol) of diphenyl phosphate esterified ricinoleic acid into a 100 ml beaker, then add 2.675 g (0.01 mol) of oleylamine, and stir for 3 h at room temperature. A reddish-brown viscous liquid product was obtained, denoted PN.
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Abstract
The invention provides a phosphorus-nitrogen lubricating additive and its preparation method and application. The phosphorus-nitrogen lubricating additive is prepared from ricinoleic acid, diphenyl chlorophosphate and oleylamine through esterification reaction and acid-base reaction. to make. The esterification reaction uses nitrogen as the protective gas, and the esterification reaction catalysts are diphenyl chlorophosphate and anhydrous aluminum trichloride, and the consumption is 2%-5% of ricinoleic acid. The phosphorus nitrogen lubricating additive of the invention is used as a lubricant of synthetic base oil polyalphaolefins PAO6 and PAO10, and exhibits excellent anti-friction and anti-wear properties.
Description
technical field [0001] The invention relates to a phosphorus-nitrogen lubricating additive and a preparation method thereof, as well as the application of the lubricating additive as a friction-reducing and anti-wear additive in polyalphaolefin synthetic lubricating oils PAO6 and PAO10. [0002] technical background [0003] There will be friction between objects that are in relative motion. In the field of industrial lubrication, the energy consumption caused by friction and wear is huge every year, and the resulting waste of resources needs to be solved urgently. Moreover, friction and wear will further reduce the operating efficiency of equipment, shorten the life of equipment, and bring great cost pressure to enterprises. Not only useless to economic development, but also harmful to social development. Although there are many types of phosphorus-based lubricants, phosphorus-sulfur lubricants, boron-based lubricants, and phosphorus-sulfur halogen-based lubricants, with th...
Claims
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IPC IPC(8): C10M137/08C10M133/06C07F9/12C07C211/21
CPCC10M137/08C10M133/06C07F9/12C07C211/21C10M2223/043C10M2215/04
Inventor 乔志张利刘肖
Owner 青岛中科润美润滑材料技术有限公司