CN108246591A - A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot - Google Patents
A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot Download PDFInfo
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- CN108246591A CN108246591A CN201711390208.9A CN201711390208A CN108246591A CN 108246591 A CN108246591 A CN 108246591A CN 201711390208 A CN201711390208 A CN 201711390208A CN 108246591 A CN108246591 A CN 108246591A
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- quantum dot
- carbon quantum
- ionic liquid
- friction
- friction coefficient
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of methods that friction coefficient is reduced by ionic liquid and carbon quantum dot.The present invention, using ionic liquid and carbon quantum dot, for different operating modes, is covered with ionic liquid and carbon quantum dot mixed solution with certain thickness various concentration, so as to rub to reduce by surface modification technologies in the painting of fricting movement parts surface.Fricting movement component friction coefficient simply and easily can be reduced an order of magnitude by this kind of method in original basis, be used to help reduce the friction in mechanical movement between friction means.
Description
Technical field
The present invention relates to a kind of methods that friction coefficient is reduced by ionic liquid and carbon quantum dot, belong at the modification of surface
Manage technical field.More particularly in fricting movement parts surface by Coating Ions liquid and carbon quantum dot mixing liquid so as to rub
Wipe moving component friction coefficient reduces an order of magnitude in original basis, is used to help reduce in mechanical movement between friction means
Friction.
Background technology
Currently, the friction coefficient in mechanical moving element between surface of friction pair is reduced, it is always standby to improve its greasy property
It is interesting issue.The secondary surface nature of friction is one of principal element for influencing frictional behaviour, and surface of friction pair is changed
Property processing, the effect of antifriction can be played.Foreign study personnel use the method in surface of friction pair modified polymer brush, can be with
Be effectively reduced friction coefficient, but due to polymer brush prepare it is complex so that the practicability of this method faces some and chooses
War.In addition, some researchers are modified using silane in surface of friction pair, friction is secondary once purged, is directly repaiied with silane
Decorations, it is less for the chemical group of reaction since surface of friction pair is without activation process, thus the Silane Grafted of this method modification
Density is relatively low, and coating is relatively thin, only (10min or so) can reduce friction coefficient in a short time, have practicability certain
Limitation.
Invention content
The object of the present invention is to provide a kind of methods that friction coefficient is reduced by ionic liquid and carbon quantum dot.
The method of the invention first prepares ionic liquid and carbon quantum dot, for different operating modes, using surface modification treatment
Technology is covered with ionic liquid with certain thickness various concentration in the painting of fricting movement parts surface and carbon quantum dot mixing is molten
Liquid, so as to rub to reduce.This kind of method can simply and easily reduce fricting movement component friction coefficient in original basis
An order of magnitude is used to help reduce the friction in mechanical movement between friction means.
A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot, it is characterised in that be as follows：
1）The preparation of ionic liquid
In a nitrogen atmosphere, by choline chloride and ethylene glycol in 70 ~ 80 DEG C of insulated and stirred 5-30min until forming uniform colorless
Liquid then in 70 ~ 100 DEG C of heat preservation and drynesses, preserves for use；
2）The preparation of carbon quantum dot
By glucose, the hydrochloric ultrasonic wave 4 ~ 6 hours that mass fraction is 3%；
3）Ionic liquid is instilled in carbon quantum dot and grinds mixed solutions of the 5-30min up to ionic liquid and carbon quantum dot；
4）The secondary component acetone of friction, ethylene glycol, absolute ethyl alcohol, distilled water are respectively cleaned by ultrasonic 10min-30min；
5）By the mixed solution of ionic liquid and carbon quantum dot coated on static placement 15-60min after the secondary parts surface of friction；
6）Start friction secondary motion system, measure its skin-friction coefficient.
The molar ratio 1 of the choline chloride and ethylene glycol:2~1:3.
The mass ratio of the glucose and hydrochloric acid is 1:3~1:5.
The ionic liquid and carbon quantum dot mixed solution intermediate ion liquid and the mass ratio of carbon quantum dot are 10:1~5:1.
Beneficial effects of the present invention：The beneficial effects of the invention are as follows by surface modification technologies in fricting movement component
Surface applies and is covered with ionic liquid and carbon quantum dot mixed solution with certain thickness various concentration, so as to rub to reduce.It should
Kind of method can it is simple, highly practical, fricting movement component friction coefficient is easily reduced into an order of magnitude in original basis,
It is used to help reduce the friction in mechanical movement between friction means.
Description of the drawings
Fig. 1 is to be to not being surface-treated and being rubbed using the bearing steel friction pair component after surface modification treatment of the present invention
The schematic diagram of number test.
Specific embodiment
Embodiment 1：
1. prepared by ionic liquid：By 30g choline chlorides and ethylene glycol according to molar ratio 1：2 ratio is added in three-necked bottle, by three
Neck bottle is positioned in oil bath pan to be stirred, while be passed through nitrogen with stirring magneton medium speed, ensures liquid system and air exclusion.
While heated to 70 DEG C of insulated and stirred 15min are until form the liquid of uniform colorless.Then ionic liquid is put into vacuum drying
70 DEG C are kept the temperature in case, is preserved for use.
2. prepared by carbon quantum dot：100mL glucose is added into 3% hydrochloric acid by 1:3 ratio is added in container, and ultrasound 4 is small
When.
3. in mass ratio 10:1 takes ionic liquid and carbon quantum dot respectively, and carbon quantum dot is placed in mortar, by ion drop
Enter to be placed in the mortar of quantum dot, then carry out being fully ground 15min.After grinding, with clean dropper to grinding after
Solution is extracted, and obtains the mixed solution of ionic liquid and carbon quantum dot.
4. by a diameter of 25mm, bearing steel friction pair component block acetone that thickness is 10mm, ethylene glycol, absolute ethyl alcohol,
Distilled water is respectively cleaned by ultrasonic 20min.
5. the mixed solution of ionic liquid and carbon quantum dot is coated on to static placement 30min after the secondary parts surface that rubs.
6. using spin friction experimental provision to not being surface-treated and utilizing the bearing steel after surface modification treatment of the present invention
The secondary component of friction carries out performance evaluation, friction condition using ball-spiral rotary-die type, rotating speed 200r/min, normal load 2N,
Friction pair is the steel ball of Φ 6mm, and test environment is atmosphere at room temperature.Test result is shown in Fig. 1：Untreated bearing steel friction pair portion
Part friction coefficient is about 0.25 or so, the bearing steel friction pair component after surface modification treatment, and friction coefficient is left down to 0.005
It is right.
Claims (4)
- A kind of 1. method that friction coefficient is reduced by ionic liquid and carbon quantum dot, it is characterised in that be as follows：1）The preparation of ionic liquidIn a nitrogen atmosphere, by choline chloride and ethylene glycol in 70 ~ 80 DEG C of insulated and stirred 5-30min until forming uniform colorless Liquid then in 70 ~ 100 DEG C of heat preservation and drynesses, preserves for use；2）The preparation of carbon quantum dotBy glucose, the hydrochloric ultrasonic wave 4 ~ 6 hours that mass fraction is 3%；3）Ionic liquid is instilled in carbon quantum dot and grinds mixed solutions of the 5-30min up to ionic liquid and carbon quantum dot；4）The secondary component acetone of friction, ethylene glycol, absolute ethyl alcohol, distilled water are respectively cleaned by ultrasonic 10min-30min；5）By the mixed solution of ionic liquid and carbon quantum dot coated on static placement 15-60min after the secondary parts surface of friction；6）Start friction secondary motion system, measure its skin-friction coefficient.
- 2. the method as described in claim 1, it is characterised in that the molar ratio 1 of the choline chloride and ethylene glycol:2~1:3.
- 3. the method as described in claim 1, it is characterised in that the mass ratio of the glucose and hydrochloric acid is 1:3~1:5.
- 4. the method as described in claim 1, it is characterised in that the ionic liquid and carbon quantum dot mixed solution intermediate ion liquid with The mass ratio of carbon quantum dot is 10:1~5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390208.9A CN108246591A (en) | 2017-12-21 | 2017-12-21 | A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390208.9A CN108246591A (en) | 2017-12-21 | 2017-12-21 | A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot |
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| Publication Number | Publication Date |
|---|---|
| CN108246591A true CN108246591A (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711390208.9A Pending CN108246591A (en) | 2017-12-21 | 2017-12-21 | A kind of method that friction coefficient is reduced by ionic liquid and carbon quantum dot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382099A (en) * | 2018-11-13 | 2019-02-26 | 合肥学院 | Surface-plated metal friction catalysis material, preparation method and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315993A (en) * | 2014-07-22 | 2016-02-10 | 中国科学院兰州化学物理研究所 | Preparation method for ionic-liquid-modified carbon quantum dot |
-
2017
- 2017-12-21 CN CN201711390208.9A patent/CN108246591A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315993A (en) * | 2014-07-22 | 2016-02-10 | 中国科学院兰州化学物理研究所 | Preparation method for ionic-liquid-modified carbon quantum dot |
Non-Patent Citations (2)
| Title |
|---|
| KURT HAERENS等: "The use of ionic liquids based on choline chloride for metal deposition: A green alternative?", 《JOURNAL OF ENVIRONMENTAL MANAGEMENT》 * |
| WEI MA等: "superlubricity achieved by carbon quantum dots in ionic liquid", 《MATERIALS LETTERS》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382099A (en) * | 2018-11-13 | 2019-02-26 | 合肥学院 | Surface-plated metal friction catalysis material, preparation method and application |
| CN109382099B (en) * | 2018-11-13 | 2021-04-23 | 合肥学院 | Surface-plated metal friction catalysis material, preparation method and application |
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Application publication date: 20180706 |
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