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Boron magnetic rare earth lubricating oil additive and preparation method thereof

A technology of lubricating oil additives and rare earths, applied in the directions of additives, lubricating compositions, petroleum industry, etc., can solve the problems of poor wear resistance, poor friction reduction, etc., and achieve the effect of significant oil saving effect

Active Publication Date: 2014-09-10
纳米克斯(辽宁)能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These additives generally have obvious unilateral effects. For example, sulfur, phosphorus, and chlorine types have good anti-wear properties but poor friction-reducing properties. Borate and organic molybdenum types have good friction-reducing properties and poor anti-wear properties. The boron magnetic rare earth lubricating oil additive takes into account the excellent characteristics of both, with good anti-wear properties and excellent anti-friction properties

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0018] The preparation method of above-mentioned boron magnetic rare earth lubricating oil additive comprises the following steps:

[0019] 1) Synthesis of mixed phosphorothioate

[0020] Put ricinoleic acid, phosphorus pentasulfide, and octanol in a container, and react under vacuum conditions at 90°C to 100°C for 4 to 5 hours, then add triethanolamine to adjust the pH to 7.5 to 8.5, and under nitrogen protection conditions, in The temperature is 100-110°C and the reaction is continued for 3-4 hours to obtain mixed phosphorothioate;

[0021] 2) Synthesis of boron magnetic rare earth additives

[0022] Mix the mixed sulfur phosphoric acid amine ester prepared above with lanthanum oxide and rare earth carbonate, stir evenly, add boric acid, add calcium sulfonate, and react for 4-5 hours at a temperature of 90-100°C and a pressure of 0.2MPa; increase the temperature To 180-190°C, continue to react for 3-4 hours under constant pressure, then lower the temperature to 100°C, evac...

Embodiment 1

[0034] 1. Synthesis of mixed phosphorothioate

[0035] Put ricinoleic acid, phosphorus pentasulfide, and octanol in a container, and react at 100°C under vacuum (pressure=0.10MPa) for 4 hours, then add triethanolamine, adjust pH=8, and continue at 100°C under nitrogen protection. Reacted for 3 hours to obtain mixed phosphorothioate;

[0036] Ricinoleic acid: triethanolamine: phosphorus pentasulfide: octanol=2:3.5:1:2 (molar ratio).

[0037] 2. Synthesis of boron magnetic rare earth additives

[0038] Mix 50 grams of the mixed thiophosphoric acid amine ester prepared above with 2.5 grams of lanthanum oxide and 2.5 grams of rare earth carbonate, stir well, add 8 grams of boric acid, add 8 grams of calcium sulfonate, and react at a temperature of 90 ° C and a pressure of 0.2 MPa for 4 hours; increase the temperature to 180° C., and continue the reaction for 3 hours under the condition of constant pressure. Then lower the temperature to 100°C, vacuumize to a pressure of 0.1MPa,...

Embodiment 2

[0041] 1. Synthesis of mixed phosphorothioate

[0042] Put ricinoleic acid, phosphorus pentasulfide, and octanol in a container, and react at 100°C under vacuum (pressure=0.10MPa) for 4 hours, then add triethanolamine, adjust pH=8, and continue at 100°C under nitrogen protection. Reacted for 3 hours to obtain mixed phosphorothioate;

[0043] Ricinoleic acid: triethanolamine: phosphorus pentasulfide: octanol=2:3:1:2.5 (molar ratio).

[0044] 2. Synthesis of boron magnetic rare earth additives

[0045] Mix 100 grams of the mixed thiophosphoric acid amine ester prepared above with 4.5 grams of lanthanum oxide and 4.5 grams of rare earth carbonate, stir well, add 17 grams of boric acid, add 17 grams of calcium sulfonate, and react at a temperature of 90 ° C and a pressure of 0.2 MPa for 5 hours; increase the temperature to 180° C., and continue the reaction for 4 hours under the condition of constant pressure. Then lower the temperature to 100°C, vacuumize to a pressure of 0.1M...

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Abstract

The invention discloses a boron magnetic rare earth lubricating oil additive and a preparation method thereof. The additive is prepared from mixed sulfur amine phosphate, lanthanum oxide, rare earth carbonate, boric acid and calcium sulfonate, wherein the weight ratio of the mixed sulfur amine phosphate to the lanthanum oxide, rare earth carbonate, boric acid and calcium sulfonate is 100:(4.5-5):(4.5-5):(12-17):(12-17); the mixed sulfur amine phosphate is prepared from ricinoleic acid and triethanolamine reacting with phosphorus pentasulfide and octanol. The additive disclosed by the invention is an oil-soluble boron magnetic rare earth complex which is used as a friction improver, an antiwear agent and a cleaning agent for the lubricating oil and particularly the lubricating oil for the engine of an internal combustion engine, and the energy saving effect is remarkable; with the rare earth element, low sulfur and low phosphorous, the additive also has the advantages of energy conservation and environmental protection.

Description

technical field [0001] The invention relates to lubricating oil additives, in particular to an oil-soluble boron magnetic rare earth lubricating oil additive and a preparation method thereof. Background technique [0002] In order to increase the anti-friction and anti-wear effect of the lubricating oil, a small amount of lubricating oil additives are usually added to the lubricating oil. The traditional anti-wear lubricating oil additives are mostly sulfur, phosphorus or chlorine type anti-wear agents. Borate, organic molybdenum and other anti-wear and friction reducers. These additives generally have obvious unilateral effects. For example, sulfur, phosphorus, and chlorine types have good anti-wear properties but poor friction-reducing properties. Borate and organic molybdenum types have good friction-reducing properties and poor anti-wear properties. The boron magnetic rare earth lubricating oil additive takes into account the excellent characteristics of both, and has g...

Claims

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Application Information

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IPC IPC(8): C10M163/00C10N30/06C10N30/04
Inventor 王严绪
Owner 纳米克斯(辽宁)能源有限公司
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