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Small-molecule functionalized surfactant and preparation method and application thereof

A surfactant and functionalization technology, which is applied in small molecule functionalized surfactants and its preparation and application fields, can solve the problems of corroding metal friction pairs, etc., and achieve low corrosion, good lubrication and anti-wear properties, and good water solubility sexual effect

Active Publication Date: 2018-03-23
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant's research group synthesized a new ionic liquid analog N-(3-(diethoxyphosphoryl)propyl)-N,N-dimethyloctadecane-1-bromide in 2017 Ammonium salt, as a water-soluble lubricating additive, has good anti-friction and anti-wear capabilities (Y Wang, Q Yu, Z Ma, G Huang, M Cai, F Zhou, W. M. Liu, Tribol. Inter.(2017)112: 86– 93.), but because its anion is Br - , as a water-based additive alone, it will corrode metal friction pairs, and anti-corrosion additives need to be added during use

Method used

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  • Small-molecule functionalized surfactant and preparation method and application thereof
  • Small-molecule functionalized surfactant and preparation method and application thereof
  • Small-molecule functionalized surfactant and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022]

[0023] Add 12.94 grams of octadecyldimethyl tertiary amine and 14.87 grams of 3-bromopropyl diethyl phosphate into a 250 mL three-necked flask, and add 60 mL of acetonitrile as a solvent, and react at 75 ° C for 20 hours under the protection of an inert gas . After the reaction finishes, spin off the solvent to obtain 24 grams of bright yellow oily viscous liquid, which is denoted as C 18 NPBr, 86% yield. Subsequently, 14 g of C was added to a 150 mL round bottom flask 18 NPBr and 5 g of acesulfame potassium were completely dissolved by adding an appropriate amount of absolute ethanol, and the solution was fully stirred at 60° C. for 24 hours. The white powder obtained by suction filtration is the crude product of water-soluble surfactant, and the incompletely reacted acesulfame potassium and the salt produced by ion exchange are removed by repeated washing with absolute ethanol until the ethanol phase is clarified, and the solvent is rotary evaporated to obtain ...

Embodiment 2

[0025]

[0026] Add 12.94 g of octadecyldimethyl tertiary amine and 14.87 g of 3-bromopropyl diethyl phosphate into a 250 mL three-necked flask, and add 60 mL of acetonitrile as a solvent, and react at 75 ° C for 20 hours under the protection of an inert gas. After the reaction, the solvent was removed by spinning to obtain 24 grams of bright yellow oily viscous liquid, which was denoted as C 18 NPBr, 86% yield. Subsequently, 14 g of C was added to a 150 mL round bottom flask 18 NPBr and 5.45 g of sodium D-gluconate were dissolved completely with an appropriate amount of absolute ethanol, and the solution was fully stirred at 60°C for 24 hours. The white powder obtained by suction filtration is the crude product of water-soluble surfactant, and the incompletely reacted sodium D-gluconate and the salt produced by ion exchange are removed by repeated washing with absolute ethanol until the ethanol phase is clear, and the solvent is rotary evaporated to obtain a white solid. T...

Embodiment 3

[0028]

[0029] Add 15.7 g of octyldimethyl tertiary amine and 20.0 g of 4-bromobutyric acid into a 250 mL three-necked flask, and add 50 mL of acetonitrile as a solvent, and react at 75 ° C for 20 hours under the protection of an inert gas. After the reaction, the solvent was spinned off to obtain 26.9 grams of bright yellow oily viscous liquid, which was denoted as C 8 NOBr, 87% yield. Subsequently, 15.6 g of C was added to a 150 mL round bottom flask 8 NOBr and 12.0 g of sodium D-gluconate were dissolved completely with an appropriate amount of absolute ethanol, and the solution was fully stirred at 60°C for 24 hours. The white powder obtained by suction filtration is the crude product of water-soluble surfactant, and the incompletely reacted sodium D-gluconate and the salt produced by ion exchange are removed by repeated washing with absolute ethanol until the ethanol phase is clear, and the solvent is rotary evaporated to obtain a white solid. The white solid was dri...

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Abstract

The invention discloses a small-molecule functionalized surfactant. The surfactant is water-soluble functionalized quaternary ammonium ionic liquid, the cations of which are quaternary ammonium cations with different alkyl chain lengths and the anions of which are acetylsulfoacid radical, saccharinic acid radical, salicylic acid radical, glycine radical, D-gluconic acid radical, citric acid radical and dihydrobutanedioic acid radical. The invention further discloses a preparation method of the surfactant and application of the surfactant as a water-soluble lubricating additive.

Description

technical field [0001] The invention relates to a small molecule functionalized surfactant and its preparation method and application. The surfactant is simple to prepare and has good tribological properties, and is an excellent water lubricating additive. Background technique [0002] At present, mineral oil-based lubricating products are widely used in the industrial field due to their excellent anti-friction and anti-wear performance, which greatly reduces the energy consumption of mechanical equipment caused by friction and prolongs its life. However, in some special fields such as coal mines, metal processing and other working conditions, petroleum-based products have restricted their application due to their low flash point, flammability, and low thermal conductivity. The problem of environmental pollution caused by mineral oil-based lubricants is becoming more and more serious, gradually affecting our daily life and physical and mental health, so people are actively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/40C07D279/02C07C227/08C07C229/12C07C51/41C07C59/105C10M137/12C10M135/36C10M129/36C10M133/06C10N30/06C10N30/12
CPCC07C51/41C07C59/105C07C227/08C07C229/12C07D279/02C07F9/4006C07F9/4075C10M129/36C10M133/06C10M135/36C10M137/12C10M2207/124C10M2215/04C10M2219/104C10M2223/063C10N2030/06C10N2030/12C10N2030/64
Inventor 蔡美荣王玉荣周峰于强亮刘维民
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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