CN107904628A - A kind of electrogalvanizing method based on ultrasonic wave added malic acid glycine betaine eutectic solvent - Google Patents
A kind of electrogalvanizing method based on ultrasonic wave added malic acid glycine betaine eutectic solvent Download PDFInfo
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- CN107904628A CN107904628A CN201711335164.XA CN201711335164A CN107904628A CN 107904628 A CN107904628 A CN 107904628A CN 201711335164 A CN201711335164 A CN 201711335164A CN 107904628 A CN107904628 A CN 107904628A
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- eutectic solvent
- malic acid
- glycine betaine
- zinc
- ultrasonic wave
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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
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/20—Electroplating using ultrasonics, vibrations
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of electrogalvanizing method based on ultrasonic wave added malic acid glycine betaine eutectic solvent, belong to electroplating technology.Malic acid, glycine betaine and distillation water termostat are stirred to obtain transparent eutectic solvent by this method first, and zinc chloride is then added in eutectic solvent again constant temperature stirs to obtain the eutectic solvent containing zinc, in this, as electroplate liquid；Pure zinc is regard as cathode as anode, mild steel etc., is immersed in progress constant current plating in electroplate liquid；In electroplating process, apply ultrasonic auxiliary electric plating.The invention solves the technical barrier that high viscosity eutectic solvent can not carry out electro-deposition.Relative to conventional cyanide is zinc-plated, chloride galvanizing, eutectic solvent environment-friendly biodegradable used in the present invention, belongs to Green Chemistry solvent.
Description
Technical field
The invention belongs to electroplating technology, and in particular to a kind of electrogalvanizing method based on eutectic solvent.
Background technology
Electrogalvanizing be using electrolysis installation by material by oil removing, pickling, after be put into component be zinc salt solution in, and even
Connect the anode of electrolysis installation, zine plate placed on the opposite of material, the cathode for being connected to electrolysis installation powers on, using electric current from
Cathode will be in one layer of zinc of deposited on materials to the displacement of anode.Alkaline zinc plating alkaline galvanizing technology refers to the pH value of plating solution
It is alkalescence.But because complexing agent is different, and it is divided into that cyanide is zinc-plated and two kinds of zincate galvanizing.Zinc-plated cyanide is a very ancient
Plating.Mainly there are three kinds of components in plating solution：Main salt zinc oxide, complexing agent Cymag and conducting salt sodium hydroxide (being commonly called as caustic soda).
It is no brightener in the cyaniding plating liquor of early stage.With the raising of people's esthetic requirement, and in cyanating solution galvanizing solution
The brightener of bright effect is added.Cyanide zinc plating wastewater process stabilizing, coating are careful.Solution dispersibility is good.According to Cymag
How much differences of content, and it is divided into high cyanogen, middle three kinds of cyanogen and low-cyanide zinc plating.The disadvantage of cyanide zinc plating wastewater is that toxicity is too big, right
Environmental hazard is serious.Potassium chloride (or sodium chloride) zincincation is a kind of brand-new non-cyanogen galvanization to grow up the 1980s
Technique.Its main component is：The main salt of zinc chloride, is 70-90g/L generally using content.Potassium chloride makees conducting salt, using content from
140-280g/L etc., can arbitrarily adjust according to different demands.Boric acid makees pH value buffer, with stablize pH value 4.6-5.6 it
Between.Since this plating solution is to work at ambient temperature, the solubility of boric acid is not high, and general content control is in 25-30g/L.On
State zinc-plated has certain pollution to environment.Eutectic solvent has the species of eutectic solvent very much, and it is heavy to be presently available for electricity
Long-pending has glycine betaine-urea, glycine betaine-ethylene glycol, xylitol-glycine betaine-water etc., but also has other substantial amounts of eutectic solvents
Since its viscosity coefficient is much larger than aqueous solution, solvability and very weak, the electrochemistry evolution reaction of metal ion to metal salt
Mostly diffusing step controls.In high viscosity eutectic solvent electrodeposition process, it has been found that cathode is heavy due to metal ion
The generation of product and bubble, one layer of formation contains bladdery high viscosity liquid on cathode surface, so as to prevent the heavy of metal ion
Product.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide one kind to be based on ultrasonic wave added malic acid-beet
The electrogalvanizing method of alkali eutectic solvent, the difficulty of electro-deposition can not be carried out to solve high viscosity low conductivity eutectic solvent
Topic.
In order to realize above-mentioned technical purpose, the present invention is achieved by the following technical programs.
The present invention provides a kind of electrogalvanizing method based on malic acid-glycine betaine eutectic solvent, specifically include as follows
Step：
(1) preparation of the eutectic solvent containing zinc：It is first according to molar ratio 1:1:4 weigh malic acid, glycine betaine, distilled water,
Then constant temperature stirs to obtain transparent eutectic solvent under the conditions of 60 DEG C, then according to malic acid molar ratio 0.05-0.15:
1 weighs zinc chloride, is added to constant temperature in above-mentioned eutectic solvent and stirs to obtain the eutectic solvent containing zinc, in this, as plating
Liquid.
(2) it is immersed in the electroplate liquid that step (1) obtains as cathode using pure zine plate as anode, mild steel and carries out perseverance
Electric current is electroplated, wherein：Cathode and anode direct range are 1-2cm；In electroplating process, plated using ultrasonic auxiliary electric.
(3) after the completion of electroplating, mild steel is taken out into cleaning, drying.
Further, constant current density is 10-20mA/cm in the step (2)2。
Further, temperature of electroplating solution is 50-70 DEG C in the step (2).
Further, electroplating time is 15-30 minutes in the step (2).
The principles of science of the present invention：
When ultrasonic wave added deposits, the cavitation bubble surface of ultrasonic wave can make radially uniform Non-Linear Vibration, it can be to anti-
Answer the secondary uniform spherical wave of liquid radiation.When bubble is moved on the surface of particulate, this spherical wave will be in the table of the particulate
Cause the micro- whirling motion of reaction solution on face, it can be achieved that homogeneous media mixes, the local concentration for eliminating electrolyte is uneven.Ultrasonic wave electricity
The jet stream of ultrasonic vibration and generation in deposition can make the bubble for being gathered in cathode surface depart from cathode surface rapidly, and with solution
Flowing be distributed in whole solution, can prevent cathode nearby solution viscosity rise and bubble aggregation lead to not carry out electricity
The problem of deposition.
Compared with prior art, the present invention has following technique effect：
1st, the invention solves the technical barrier that high viscosity eutectic solvent can not carry out electro-deposition.
2nd, relative to conventional cyanide is zinc-plated, chloride galvanizing, eutectic solvent environment-friendly biodegradable used in the present invention,
Belong to Green Chemistry solvent.
Brief description of the drawings
Fig. 1 is the SEM figures of the electrogalvanizing that embodiment 1 obtains in the present invention；
As shown in Figure 1, about 1-3 μm of the crystallite dimension of electrogalvanizing.
Fig. 2 is the EDS energy spectrum diagrams of the electrogalvanizing that embodiment 1 obtains in the present invention；
As shown in Fig. 2, the EDS power spectrums of electrogalvanizing illustrate that surface forms for zinc.
Fig. 3 is the XRD diagram for the electrogalvanizing that the embodiment of the present invention 1 obtains；
As shown in figure 3, the XRD diagram of electrogalvanizing, ordinate is intensity, and abscissa is two times of angles, and diffraction maximum is metallic zinc
And iron matrix.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated, but the present invention is not limited to following implementations
Example.
Embodiment 1
Weigh 0.1mol malic acid, 0.1mol glycine betaines, 0.4mol distilled water respectively first to be positioned in beaker, using
Preservative film sealed beaker, then stirs to obtain transparent eutectic solvent in 60 DEG C of constant temperature.Then the chlorination of 0.01mol is added
Zinc, stirs to obtain eutectic solvent containing zinc in 60 DEG C of constant temperature.
Using pure zine plate as anode, mild steel as cathode, immerse the eutectic solvent containing zinc of heating water bath to 60 DEG C into
Row constant current plating in 15 minutes, wherein, cathode and anode direct range are 1cm, current density 10mA/cm2.In electroplating process
In, apply ultrasonic auxiliary electric plating, supersonic frequency：40KHz, ultrasonic power 150W.
After the completion of plating, mild steel taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
Embodiment 2
Weigh 0.1mol malic acid, 0.1mol glycine betaines, 0.4mol distilled water respectively first to be positioned in beaker, using
Preservative film sealed beaker, then stirs to obtain transparent eutectic solvent in 60 DEG C of constant temperature.Then the chlorination of 0.005mol is added
Zinc, stirs to obtain eutectic solvent containing zinc in 60 DEG C of constant temperature.
Using pure zine plate as anode, mild steel as cathode, immerse the eutectic solvent containing zinc of heating water bath to 50 DEG C into
Row constant current plating in 30 minutes, wherein, cathode and anode direct range are 2cm, current density 15mA/cm2；In electroplating process
In, apply ultrasonic auxiliary electric plating, supersonic frequency：40KHz, ultrasonic power 150W.
After the completion of plating, mild steel taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
Embodiment 3
Weigh 0.1mol malic acid, 0.1mol glycine betaines, 0.4mol distilled water respectively first to be positioned in beaker, using
Preservative film sealed beaker, then stirs to obtain transparent eutectic solvent in 60 DEG C of constant temperature.Then the chlorination of 0.015mol is added
Zinc, stirs to obtain eutectic solvent containing zinc in 60 DEG C of constant temperature；
Using electrolytic zinc as anode, mild steel as cathode, immerse the eutectic solvent containing zinc of heating water bath to 70 DEG C into
Row constant current plating in 15 minutes, wherein, cathode and anode direct range are 1cm, current density 20mA/cm2；In electroplating process
In, apply ultrasonic auxiliary electric plating, supersonic frequency：40KHz, ultrasonic power 100W.
After the completion of plating, mild steel taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (4)
- A kind of 1. electrogalvanizing method based on ultrasonic wave added malic acid-glycine betaine eutectic solvent, it is characterised in that including as follows Step：(1) preparation of the eutectic solvent containing zinc：It is first according to molar ratio 1:1:4 weigh malic acid, glycine betaine, distilled water, then Constant temperature stirs to obtain transparent eutectic solvent under the conditions of 60 DEG C, then according to malic acid molar ratio 0.05~0.15:1 claims Amount zinc chloride is added to constant temperature in above-mentioned eutectic solvent and stirs to obtain the eutectic solvent containing zinc, in this, as electroplate liquid；(2) it is immersed in the electroplate liquid that step (1) obtains as cathode using pure zine plate as anode, mild steel and carries out constant current Plating, wherein：Cathode and anode direct range are 1-2cm；In the constant current plating, plated using ultrasonic auxiliary electric；(3) after the completion of electroplating, mild steel is taken out into cleaning, drying.
- 2. the electrogalvanizing method as claimed in claim 1 based on ultrasonic wave added malic acid-glycine betaine eutectic solvent, its feature It is, constant current density is 10~20mA/cm in the step (2)2。
- 3. the electrogalvanizing method as claimed in claim 1 based on ultrasonic wave added malic acid-glycine betaine eutectic solvent, its feature It is：Temperature of electroplating solution is 50~70 DEG C in the step (2).
- 4. the electrogalvanizing method as claimed in claim 1 based on ultrasonic wave added malic acid-glycine betaine eutectic solvent, its feature It is：Electroplating time is 15~30 minutes in the step (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335164.XA CN107904628B (en) | 2017-12-14 | 2017-12-14 | It is a kind of based on ultrasonic wave added malic acid-glycine betaine eutectic solvent electrogalvanizing method |
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| CN201711335164.XA CN107904628B (en) | 2017-12-14 | 2017-12-14 | It is a kind of based on ultrasonic wave added malic acid-glycine betaine eutectic solvent electrogalvanizing method |
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| CN107904628A true CN107904628A (en) | 2018-04-13 |
| CN107904628B CN107904628B (en) | 2019-05-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283140A (en) * | 2016-10-27 | 2017-01-04 | 安徽工业大学 | A kind of nickel-phosphorus alloy plating method based on glycine betaine urea water eutectic solvent |
| CN106435672A (en) * | 2016-08-26 | 2017-02-22 | 无锡光旭新材料科技有限公司 | Tin, zinc and nickel electroplating method based on choline chloride-malic acid deep-eutectic solvents |
| CN106498452A (en) * | 2016-10-27 | 2017-03-15 | 安徽工业大学 | A kind of electrogalvanizing method based on glycine betaine urea water eutectic solvent |
| CN106498461A (en) * | 2016-10-27 | 2017-03-15 | 安徽工业大学 | A kind of nickel-cobalt alloy plating method based on glycine betaine urea water eutectic solvent |
-
2017
- 2017-12-14 CN CN201711335164.XA patent/CN107904628B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435672A (en) * | 2016-08-26 | 2017-02-22 | 无锡光旭新材料科技有限公司 | Tin, zinc and nickel electroplating method based on choline chloride-malic acid deep-eutectic solvents |
| CN106283140A (en) * | 2016-10-27 | 2017-01-04 | 安徽工业大学 | A kind of nickel-phosphorus alloy plating method based on glycine betaine urea water eutectic solvent |
| CN106498452A (en) * | 2016-10-27 | 2017-03-15 | 安徽工业大学 | A kind of electrogalvanizing method based on glycine betaine urea water eutectic solvent |
| CN106498461A (en) * | 2016-10-27 | 2017-03-15 | 安徽工业大学 | A kind of nickel-cobalt alloy plating method based on glycine betaine urea water eutectic solvent |
Non-Patent Citations (1)
| Title |
|---|
| BRUNO G. POLLET等: "Sono-electrodeposition (20 and 850 kHz) of copper in aqueous and deep eutectic solvents", 《ELECTROCHIMICA ACTA 》 * |
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