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Multifunctional lubricant additive for dithioamino acid triazine derivative and preparation method and application of multifunctional lubricant additive

A lubricating oil additive, arginine-based technology, applied in the direction of additives, lubricating compositions, petroleum industry, etc., can solve problems such as use restrictions, achieve excellent extreme pressure, mild reaction conditions, and simple preparation process

Inactive Publication Date: 2018-05-18
DONGGUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the strengthening of people's awareness of environmental protection, the use of widely used extreme pressure and anti-wear additives - zinc dialkyldithiophosphate (ZDDP) is restricted

Method used

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  • Multifunctional lubricant additive for dithioamino acid triazine derivative and preparation method and application of multifunctional lubricant additive
  • Multifunctional lubricant additive for dithioamino acid triazine derivative and preparation method and application of multifunctional lubricant additive
  • Multifunctional lubricant additive for dithioamino acid triazine derivative and preparation method and application of multifunctional lubricant additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] With 0.05mol (9.25g) cyanuric chloride, 0.06mol (8.30g) K 2 CO 3 and 80 mL of acetone were sequentially added into a 250 mL three-necked flask, and 0.05 mol (6.46 g) of di-n-butylamine was added dropwise under ice cooling, and the reaction was carried out for 2.0 h. After the reaction, pour the reaction solution into a separatory funnel, extract with ether, wash with saturated brine, dry over anhydrous magnesium sulfate, filter, and remove the solvent by rotary evaporation of the filtrate to obtain 2-di-n-butylamino-4,6-di Chloro-1,3,5-s-triazine.

[0037] Dissolve 0.05mol (8.362g) 2-mercaptobenzothiazole and 0.06mol (3.366g) KOH in a mixture of 20mL acetone and 20mL water to prepare a potassium salt solution of 2-mercaptobenzothiazole for later use. Add 0.04mol (11.04g) of 2-di-n-butylamino-4,6-dichloro-1,3,5-s-triazine and 20mL of acetone into a 250mL three-neck flask, raise the temperature to 42°C, and add 2-mercapto The potassium salt solution of benzothiazole wa...

Embodiment 2

[0040] With 0.05mol (9.25g) cyanuric chloride, 0.06mol (8.30g) K 2 CO 3 and 80 mL of acetone were sequentially added into a 250 mL three-necked flask, and 0.05 mol (12.07 g) of di-n-octylamine was added dropwise under ice cooling, and the reaction was carried out for 2.0 h. After the reaction, pour the reaction solution into a separatory funnel, extract with ether, wash with saturated brine, dry over anhydrous magnesium sulfate, filter, and remove the solvent by rotary evaporation of the filtrate to obtain 2-dioctylamino-4,6-di Chloro-1,3,5-s-triazine.

[0041] Dissolve 0.05mol (8.362g) 2-mercaptobenzothiazole and 0.06mol (3.366g) KOH in a mixture of 20mL acetone and 20mL water to prepare a potassium salt solution of 2-mercaptobenzothiazole for later use. Add 0.04mol (15.53g) of 2-n-octylamino-4,6-dichloro-1,3,5-s-triazine and 20mL of acetone into a 250mL three-neck flask, raise the temperature to 42°C, and add 2-mercapto The potassium salt solution of benzothiazole was rea...

Embodiment 3

[0044] With 0.05mol (9.25g) cyanuric chloride, 0.06mol (8.30g) K 2 CO 3 and 80 mL of acetone were sequentially added into a 250 mL three-neck flask, and 0.05 mol (12.07 g) of di-isooctylamine was added dropwise under ice cooling, and the reaction was carried out for 2.0 h. After the reaction, the reaction solution was poured into a separatory funnel, extracted with ether, washed with saturated brine, dried over anhydrous magnesium sulfate, filtered, and the filtrate was rotary evaporated to remove the solvent to obtain 2-dioctylamino-4,6-di Chloro-1,3,5-s-triazine.

[0045] Dissolve 0.05mol (8.362g) 2-mercaptobenzothiazole and 0.06mol (3.366g) KOH in a mixture of 20mL acetone and 20mL water to prepare a potassium salt solution of 2-mercaptobenzothiazole for later use. Add 0.04mol (15.53g) of 2-dioctylamino-4,6-dichloro-1,3,5-s-triazine and 20mL of acetone into a 250mL three-neck flask, raise the temperature to 42°C, and add 2-mercapto The potassium salt solution of benzothi...

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Abstract

The invention discloses a multifunctional lubricant additive for a dithioamino acid triazine derivative and a preparation method and application of the multifunctional lubricant additive. The dithioamino acid triazine derivative is of a structure shown as a general formula I. The preparation method comprises the following steps: firstly introducing dialkyl amine onto a tri-polychlorostyrene piperazine structure, then introducing 2-mercaptobenzothiazole, and finally carrying out a nucleophilic substitution reaction with carbon disulfide and dialkyl amine or piperidine to obtain the multifunctional lubricant additive for the dithioamino acid triazine derivative shown as the general formula I. The dithioamino acid triazine derivative has the characteristics of simple preparation method, mildtechnological conditions, easily obtained raw materials, low synthesis cost, high synthesis yield and the like; the derivative can be used for extreme pressure, abrasion resistance, antifriction of alubricant and application of an anti-corrosion additive, the bearing capacity of base oil can be obviously improved, the abrasion resistance and antifriction performance are improved, and the additiveis an environmentally-friendly multifunctional lubricant additive.

Description

Technical field: [0001] The invention relates to the field of lubricating oil additives, in particular to a multifunctional lubricating oil additive based on arsenic-s-triazine derivatives. Background technique: [0002] Lubricating oil plays an important role in the national economy due to its characteristics of energy saving, consumption reduction and friction and wear reduction. The addition of various lubricating oil additives can make the lubricating oil exhibit different characteristics, so as to meet different operating conditions. Anti-wear and extreme pressure additives are the focus of research. With the strengthening of people's awareness of environmental protection, the use of zinc dialkyl dithiophosphate (ZDDP), which is widely used in extreme pressure and anti-wear additives, has been restricted. [0003] Nitrogen-containing heterocyclic compounds not only have compact structures, good tribological properties, but also have little harm to the environment. In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M135/36C07D417/12C10N30/08C10N30/06C10N30/12
CPCC07D417/12C10M135/36C10M2219/104C10N2030/06C10N2030/08C10N2030/12C10N2030/41C10N2030/42C10N2030/45C10N2030/64
Inventor 赵鸿斌余磊鲁浩韩利芬刘传生刘啸天周鑫云陈和稿
Owner DONGGUAN UNIV OF TECH
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