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Non-sulphur and phosphorus antiwear and friction reducing multifunctional additive agent and preparation method

A multi-functional additive technology, applied in the field of lubricating oil, can solve the problems of reducing extreme pressure, anti-wear and anti-oxidation properties of oil products, and achieve the effects of increasing the initial oxidation temperature, improving high-temperature anti-oxidation properties, and inhibiting the increase in viscosity

Inactive Publication Date: 2011-01-12
天津市东宝润滑油脂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reduction of T 202 content will reduce the extreme pressure, anti-wear and anti-oxidation properties of the oil, and the new ILSAC specification requires that the anti-wear and anti-oxidation properties of the oil be further improved under the premise of reducing the content of sulfur and phosphorus. Therefore, it is of great significance to seek new non-sulfur phosphorus additive technology to reduce or replace the use of T 202, and to meet the requirements of high-efficiency, energy-saving and environment-friendly engine lubricating oil

Method used

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  • Non-sulphur and phosphorus antiwear and friction reducing multifunctional additive agent and preparation method
  • Non-sulphur and phosphorus antiwear and friction reducing multifunctional additive agent and preparation method
  • Non-sulphur and phosphorus antiwear and friction reducing multifunctional additive agent and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Synthesis of friction modifiers. Add 0.2mol oleic acid and 0.2mol triethanolamine into the reaction flask, then 4.5g dibutylamine, stir, and heat to 120°C, react for 3 hours to synthesize an intermediate, then add 0.05mol dibutyltin laurate, 0.1 The mixture of mol tetraisopropyl titanate and 0.025mol bismuth oxide was stirred continuously and reacted at 180° C. for 6 hours to finally obtain a friction modifier product.

[0026] Add friction modifier 45%, oleic acid diethanolamide borate 45%, 2,6-di-tert-butyl p-cresol 3%, dienyl succinimide 6%, dodecenyl butanedi 1% acid was mixed sequentially, and the mixture was heated up to 50° C. under stirring, and stirred evenly to obtain the anti-wear and friction-reducing multifunctional nonthion phosphorus additive of the present invention.

Embodiment 2

[0028] 50% of the friction modifier prepared in Example 1, 40% of oleic acid diethanolamide borate, 3% of methylene-bis(dibutyldithiocarbamate), 2% of calcium alkyl salicylate , 4% of dienyl succinimide and 1% of dodecenyl succinic acid are mixed successively, and the mixture is heated up to 50-60°C under stirring, and stirred evenly to obtain the anti-wear and friction-reducing nonthion phosphorus of the present invention Multifunctional additive.

Embodiment 3

[0030] 55% of the friction modifier prepared in Example 1, 35% of borate (T 361), 3% of diisooctyldiphenylamine, 6% of calcium alkyl salicylate, and 1% of dodecenylsuccinic acid Mixing, raising the temperature of the mixture to 50-60° C. under stirring, and stirring evenly to obtain the nonthion phosphorus anti-wear and friction-reducing multifunctional additive of the present invention.

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Abstract

The invention belongs to the technical field of lubricating oil and discloses a non-sulfur non-phosphorus anti-wear and antifrictional multifunctional additive and a preparation method thereof. The compositions of the additive comprise a friction modifier, an antiwear agent, an antioxidant, a detergent dispersant, and an antirusting agent. Firstly, the friction modifier is synthesized, then the friction modifier, the antiwear agent, the detergent dispersant, the antioxidant, and the antirusting agent with the needed amount are orderly mixed according to the proportion, and the mixture is heated to between 50 and 70 DEG C under the stirring and then is stirred evenly. The additive can be widely applied to various lubricating oil products including lubricant base oil or lubricant oil finished products, such as internal combustion engine oil, gear oil and so on, and is added into lubricating oil of an internal combustion engine with 3 to 20 weight percentage during the use. The additive can greatly improve the abrasion resistance and the antifriction performance of oil products, can also apparently improve the initial oxidation temperature and the oxidation induction time of the oil products, effectively suppress the viscosity of the oil products from increasing, and ensure that the high-temperature antioxidation performance of the internal combustion engine oil is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil, and in particular relates to a non-sulfur phosphorus anti-wear and friction-reducing multifunctional additive and a preparation method thereof. Background technique [0002] Good anti-wear and anti-friction additives for lubricating oil can reduce equipment maintenance costs, prolong the service life of equipment, and reduce energy consumption. For automobile engines, good internal combustion engine oil additives can not only protect the engine from wear and tear, but also avoid oil burning caused by poor lubrication and protect the atmospheric environment. [0003] With the increasingly stringent environmental protection regulations, gasoline engines use three-way catalytic converters, and diesel engines add exhaust gas recirculation systems, which makes engine oils gradually develop towards low sulfur and low phosphorus, replacing or reducing the two commonly used in engine oils. The d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M139/00C10M135/18C10M133/12C10M133/16C10M129/34C10N30/04C10N30/12C10N30/06
Inventor 郑国栋李德槐白清珍张桂英姜颖
Owner 天津市东宝润滑油脂有限公司
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