CN106048677A - Self-lubricating and anti-friction composite electroplating solution for scaffolds - Google Patents
Self-lubricating and anti-friction composite electroplating solution for scaffolds Download PDFInfo
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- CN106048677A CN106048677A CN201610673621.5A CN201610673621A CN106048677A CN 106048677 A CN106048677 A CN 106048677A CN 201610673621 A CN201610673621 A CN 201610673621A CN 106048677 A CN106048677 A CN 106048677A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- Electroplating And Plating Baths Therefor (AREA)
- Chemically Coating (AREA)
Abstract
The invention discloses a self-lubricating and anti-friction composite electroplating solution for scaffolds. The self-lubricating and anti-friction composite electroplating solution is composed of, by weight, 6.8-9 parts of aniline, 0.1-0.2 part of ammonium persulfate, 2-4 parts of potassium iodate, 50-60 parts of boric acid, 220-250 parts of nickel sulfate, 40-50 parts of nickel chloride, 0.2-0.3 part of lauryl sodium sulfate, 50-60 parts of polytetrafluoroethylene emulsion, 3-4 parts of cationic surface active agents FC134, 3-5 parts of nitric acid rare earth, 5-6 parts of tourmaline powder, 2.8-3 parts of iron sulfide, an appropriate amount of sodium hydroxide solutions of 0.1 mol/L, an appropriate amount of ethyl alcohol and an appropriate amount of deionized water. According to the electroplating solution, the preparation method is simple, the cost is low, the adhesive force is good, the service life of the scaffolds is prolonged, and the cost is lowered. Thus, the composite electroplating solution is worthy of popularization.
Description
Technical field
The present invention relates to electroplate liquid technical field, particularly relate to the scaffold composite plating solution of a kind of self-lubricant anti-friction.
Background technology
Electroplate also known as metal electrodeposition technology, be that workpiece is immersed in the solution containing slaine to be deposited, and to workpiece
Apply negative charge, in surface of the work one layer of metal compact with workpiece of deposition or the process of alloy-layer.That electroplates is basic
Principle is to make the metal ion in solution that reduction reaction to occur on solution and plating piece interface by various electric field actions, generates gold
Belong to atom and be deposited on metal surface formation coating.Composite deposite is by by adding insoluble solid particle to plating solution
In, make matrix metal co-deposit with solid particle, form a kind of process for modifying surface of composite deposite.Nickel coating because of
It has the features such as excellent corrosion resistance, wearability and thickness of coating is uniform, obtains at aspects such as aviation, automobile, electronics, chemical industry
To extensively application.But, nickel coating coefficient of friction is bigger.And politef is to be polymerized by tetrafluoroethylene monomer, performance
Stable, in addition to there is splendid resistance to chemical corrosion, also there is the most heat-resisting, tolerance to cold, and the least friction
Coefficient.By adding polytetrafluoroethylgranule granule in electroplate liquid, polytetrafluoroethylgranule granule is made to be distributed to along with the electro-deposition of nickel
In nickel coating, the composite deposite prepared has significant antifriction effect.
In " research of NI-PTFE composite plating process " literary composition, author proposes by adding politef breast in electroplate liquid
Liquid and FC134 cationic surfactant, be successfully prepared Ni/PTFE composite deposite, and test shows that coating surface is uniform, flat
Whole, in terms of tribological property, the coefficient of friction of composite deposite is 0.218, is only about the 34% of nickel coating, but due to
PTFE matter is soft, after entering in coating, makes composite deposite relatively nickel coating hardness reduce, and wear extent increased simultaneously.So
In some field, this composite deposite can not meet demand.Rare earth element can significantly improve solid particle in functional composite material
The performance such as content, hardness, wearability and high temperature oxidation resistance, a series of at chromium plating, thermo-chemical treatment, conversion film etc. at present
Process for treating surface is applied.So the present invention will add the property such as hardness and the wearability of rare earth element raising composite deposite
Can, expand application.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the scaffold compound electric of a kind of self-lubricant anti-friction
Plating solution.
The present invention is achieved by the following technical solutions:
The scaffold composite plating solution of a kind of self-lubricant anti-friction, is made up of the raw material of following weight portion: aniline 6.8-9, mistake
Ammonium sulfate 0.1-0.2, potassium iodate 2-4, boric acid 50-60, nickel sulfate 220-250, Nickel dichloride. 40-50, sodium lauryl sulphate
0.2-0.3, ptfe emulsion 50-60, cationic surfactant FC1343-4, nitric acid rare earth 3-5, tourmaline powder 5-6,
Iron sulfide 2.8-3,0.1mol/L sodium hydroxide solution is appropriate, appropriate amount of ethanol, deionized water are appropriate.
The scaffold composite plating solution of described a kind of self-lubricant anti-friction, is made up of following concrete steps:
(1) being scattered in water-alcohol solution after tourmaline powder being broken into micropowder, ultrasonic 1-2h, prepare dispersion liquid, its concentration is 1-
3mg/ml, described water-alcohol solution is water and the mixed solution of ethanol of volume ratio 1:1, and iron sulfide is added to tourmaline suspension
In, continue ultrasonic 1-2h, obtain the mixed solution of tourmaline/iron sulfide, then in this mixed solution, add nitric acid rare earth, magnetic force
Drip 0.1mol/L sodium hydroxide solution while stirring, continue stirring 1-2h, centrifugation, remove supernatant, then instead
Answer 130-150 DEG C of reaction 3-5h in still, be cooled to room temperature post-drying;
(2) by DBSA, water, aniline and n-butyl alcohol according to mol ratio 1.5-2:10-14:1.0-1.4:0.8-1.2
Ratio is added in flask, is stirred vigorously and obtains transparent colourless emulsion, then equal with product mix and blend prepared by step (1)
Even, Ammonium persulfate. deionized water dissolving is made the solution of 2mol/L, is then slowly dropped in flask, after dropping
Reacting 5-7h under room temperature, the ethanol adding excess is slowly stirred 7-10min, filters, and product deionized water, ethanol are the most clear
Wash, be subsequently placed in vacuum drying oven and at 60 DEG C, be dried 24h;
(3) being added to by boric acid in the deionized water of 60 DEG C, it is standby that stirring makes it dissolve, and adds sulfur when temperature of electroplating solution is 50 DEG C
Acid nickel, Nickel dichloride. and sodium lauryl sulphate, use magnetic stirrer the most standby, adds polytetrafluoro in another container
Vac emulsion and cationic surfactant FC134, be stirring evenly and then adding into product and surplus materials thereof prepared by step (2),
Ultrasonic agitation is uniformly rear standby;
(4) standby product step (3) prepared is with 800r/min mix and blend 20-30min, the most auxiliary at 80kHz ultrasound wave
It is transferred in electrolysis bath after helping concussion 30min, stands the granule removing particle diameter >=5 μm, i.e. can get electroplate liquid.
The invention have the advantage that the present invention to use in electroplate liquid and add ptfe emulsion raising nickel/polytetrafluoroethyl-ne
The anti-attrition of alkene composite deposite and lubricity, improve the performance of single nickel coating, in order to improve composite deposite hardness and wear-resisting
The problem that performance is the highest, uses nano-particle reinforcement coating, easily reunites because of nano-particle again and adhere to negative electrode table in electroplate liquid
Face makes the problem that surface roughness increases, and uses polyaniline that granule is carried out coating modification, improves and easily reunites and to the moon between microgranule
The tendency that pole springs up, and improve the performances such as the wearability of coating, hardness and high temperature oxidation resistance, utilize modifying agent to electrically
The modification such as stone improves dispersibility and the performance easily reunited so that it is coating plays in plating good potentiation, this
The electroplate liquid preparation method of bright preparation is simple, and low cost has preferable adhesive force, and adhesive force is good, improves making of scaffold
With the life-span, reduce cost, be worthy to be popularized.
Detailed description of the invention
The scaffold composite plating solution of a kind of self-lubricant anti-friction, is made up of the raw material of following weight portion (kilogram): benzene
Amine 6.8, Ammonium persulfate. 0.1, potassium iodate 2, boric acid 50, nickel sulfate 220, Nickel dichloride. 40, sodium lauryl sulphate 0.2, polytetrafluoro
Vac emulsion 50, cationic surfactant FC1343, nitric acid rare earth 3, tourmaline powder 5, iron sulfide 2.8,0.1mol/L hydrogen-oxygen
Change sodium solution is appropriate, appropriate amount of ethanol, deionized water are appropriate.
The scaffold composite plating solution of described a kind of self-lubricant anti-friction, is made up of following concrete steps:
(1) being scattered in water-alcohol solution after tourmaline powder being broken into micropowder, ultrasonic 1h, prepare dispersion liquid, its concentration is 1mg/ml,
Described water-alcohol solution is water and the mixed solution of ethanol of volume ratio 1:1, is added to by iron sulfide in tourmaline suspension, continues super
Sound 1h, obtains the mixed solution of tourmaline/iron sulfide, then adds nitric acid rare earth in this mixed solution, while magnetic agitation
Dropping 0.1mol/L sodium hydroxide solution, continues stirring 1h, centrifugation, removes supernatant, the most in a kettle. 130 DEG C anti-
Answer 3h, be cooled to room temperature post-drying;
(2) DBSA, water, aniline and n-butyl alcohol are added to flask according to mol ratio 1.5:10:1.0:0.8 ratio
In, it being stirred vigorously and obtain transparent colourless emulsion, the product mixing and stirring then prepared with step (1), by Ammonium persulfate.
Make the solution of 2mol/L with deionized water dissolving, be then slowly dropped in flask, after dropping, at room temperature react 5h,
The ethanol adding excess is slowly stirred 7min, filters, and product deionized water, ethanol clean repeatedly, is subsequently placed in vacuum and does
Dry case is dried at 60 DEG C 24h;
(3) being added to by boric acid in the deionized water of 60 DEG C, it is standby that stirring makes it dissolve, and adds sulfur when temperature of electroplating solution is 50 DEG C
Acid nickel, Nickel dichloride. and sodium lauryl sulphate, use magnetic stirrer the most standby, adds polytetrafluoro in another container
Vac emulsion and cationic surfactant FC134, be stirring evenly and then adding into product and surplus materials thereof prepared by step (2),
Ultrasonic agitation is uniformly rear standby;
(4) standby product step (3) prepared is with 800r/min mix and blend 20min, shakes at 80kHz ultrasonic assistant simultaneously
It is transferred in electrolysis bath after swinging 30min, stands the granule removing particle diameter >=5 μm, i.e. can get electroplate liquid.
Plating piece carrying out plate previous series of processes and enters electroplating bath, nickel anode plating front surface activation processing, afterwards according to preparation
Electroplate liquid carry out electroplating processes, bath temperature is 45 DEG C, and electric current density is 9A/dm2, and coating is carried out performance test, result
As follows:
Outward appearance: smooth even, coefficient of friction: 0.27, wear extent (500g, 200r/min, mm3): 2.43 × 10-2, porosity
(individual/cm2): 0.8, adhesion: do not peel off, salt fog (120 hours): without significant change.
Claims (2)
1. the scaffold composite plating solution of a self-lubricant anti-friction, it is characterised in that be made up of the raw material of following weight portion:
Aniline 6.8-9, Ammonium persulfate. 0.1-0.2, potassium iodate 2-4, boric acid 50-60, nickel sulfate 220-250, Nickel dichloride. 40-50,12
Alkyl sodium sulfate 0.2-0.3, ptfe emulsion 50-60, cationic surfactant FC1343-4, nitric acid rare earth 3-5, electricity
Gas stone powder 5-6, iron sulfide 2.8-3,0.1mol/L sodium hydroxide solution are appropriate, appropriate amount of ethanol, deionized water are appropriate.
A kind of scaffold composite plating solution of self-lubricant anti-friction, it is characterised in that by following specifically
Step is made:
(1) being scattered in water-alcohol solution after tourmaline powder being broken into micropowder, ultrasonic 1-2h, prepare dispersion liquid, its concentration is 1-
3mg/ml, described water-alcohol solution is water and the mixed solution of ethanol of volume ratio 1:1, and iron sulfide is added to tourmaline suspension
In, continue ultrasonic 1-2h, obtain the mixed solution of tourmaline/iron sulfide, then in this mixed solution, add nitric acid rare earth, magnetic force
Drip 0.1mol/L sodium hydroxide solution while stirring, continue stirring 1-2h, centrifugation, remove supernatant, then instead
Answer 130-150 DEG C of reaction 3-5h in still, be cooled to room temperature post-drying;
(2) by DBSA, water, aniline and n-butyl alcohol according to mol ratio 1.5-2:10-14:1.0-1.4:0.8-1.2
Ratio is added in flask, is stirred vigorously and obtains transparent colourless emulsion, then equal with product mix and blend prepared by step (1)
Even, Ammonium persulfate. deionized water dissolving is made the solution of 2mol/L, is then slowly dropped in flask, after dropping
Reacting 5-7h under room temperature, the ethanol adding excess is slowly stirred 7-10min, filters, and product deionized water, ethanol are the most clear
Wash, be subsequently placed in vacuum drying oven and at 60 DEG C, be dried 24h;
(3) being added to by boric acid in the deionized water of 60 DEG C, it is standby that stirring makes it dissolve, and adds sulfur when temperature of electroplating solution is 50 DEG C
Acid nickel, Nickel dichloride. and sodium lauryl sulphate, use magnetic stirrer the most standby, adds polytetrafluoro in another container
Vac emulsion and cationic surfactant FC134, be stirring evenly and then adding into product and surplus materials thereof prepared by step (2),
Ultrasonic agitation is uniformly rear standby;
(4) standby product step (3) prepared is with 800r/min mix and blend 20-30min, the most auxiliary at 80kHz ultrasound wave
It is transferred in electrolysis bath after helping concussion 30min, stands the granule removing particle diameter >=5 μm, i.e. can get electroplate liquid.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101392400A (en) * | 2008-10-16 | 2009-03-25 | 上海工程技术大学 | Method for preparing peak-shaped convex appearance composite plating coating on surface of metal substrate |
CN103225098A (en) * | 2013-05-28 | 2013-07-31 | 模德模具(东莞)有限公司 | Preparation method of nickel-polytetrafluoroethylene coating |
CN105256341A (en) * | 2015-10-28 | 2016-01-20 | 安徽恒源煤电股份有限公司 | Electroplate liquid usable for scaffolds made of multiple materials |
-
2016
- 2016-08-16 CN CN201610673621.5A patent/CN106048677A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101392400A (en) * | 2008-10-16 | 2009-03-25 | 上海工程技术大学 | Method for preparing peak-shaped convex appearance composite plating coating on surface of metal substrate |
CN103225098A (en) * | 2013-05-28 | 2013-07-31 | 模德模具(东莞)有限公司 | Preparation method of nickel-polytetrafluoroethylene coating |
CN105256341A (en) * | 2015-10-28 | 2016-01-20 | 安徽恒源煤电股份有限公司 | Electroplate liquid usable for scaffolds made of multiple materials |
Non-Patent Citations (4)
Title |
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孙海珠 等: "《纳米粒子与聚合物功能复合材料导论》", 31 March 2015, 东北师范大学出版社 * |
张允诚 等: "《电镀手册》", 31 January 2007, 国防工业出版社 * |
薛茹君 等: "《无机纳米材料的表面改性与物性研究》", 31 October 2009, 合肥工业大学出版社 * |
陈豫: "Ni/PTFE复合电镀工艺研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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