CN105821453A - Method for electro-deposition of bright chrome plating layer through low-eutectic-melting solvent - Google Patents
Method for electro-deposition of bright chrome plating layer through low-eutectic-melting solvent Download PDFInfo
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- CN105821453A CN105821453A CN201610267769.9A CN201610267769A CN105821453A CN 105821453 A CN105821453 A CN 105821453A CN 201610267769 A CN201610267769 A CN 201610267769A CN 105821453 A CN105821453 A CN 105821453A
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- deposition
- eutectic solvent
- electro
- chrome plating
- eutectic
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- 239000002904 solvent Substances 0.000 title claims abstract description 43
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000007747 plating Methods 0.000 title claims abstract description 30
- 238000004070 electrodeposition Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002844 melting Methods 0.000 title abstract 6
- 239000003792 electrolyte Substances 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012153 distilled water Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000005496 eutectics Effects 0.000 claims description 36
- 150000001408 amides Chemical class 0.000 claims description 11
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 11
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 10
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 10
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 claims description 3
- 235000019743 Choline chloride Nutrition 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 235000013877 carbamide Nutrition 0.000 claims description 3
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical group [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 claims description 3
- 229960003178 choline chloride Drugs 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 150000003672 ureas Chemical group 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 14
- 239000002585 base Substances 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 239000000758 substrate Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010025421 Macule Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 231100000075 skin burn Toxicity 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
Classifications
-
- 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
- C25D3/66—Electroplating: Baths therefor from melts
Abstract
The invention relates to a method for electro-deposition of a bright chrome plating layer through a low-eutectic-melting solvent and relates to the surface engineering and surface treatment technology. Under an inert gas environment, firstly, the low-eutectic-melting solvent is added in an electrolytic cell, then chrome oxide is added into the low-eutectic-melting solvent, and low-eutectic-melting solvent electrolyte is prepared; and graphite serves as an anode, a preprocessed matrix serves as a cathode, electro-deposition is performed in the prepared low-eutectic-melting solvent electrolyte, the matrix subjected to electro-deposition is washed with acetone and distilled water, and the bright chrome plating layer can be obtained on the matrix after drying. The bright chrome plating layer prepared through the method is bright, compact and smooth, is high in combination capacity with the matrix, and is excellent in abrasion resistance and corrosion resistance.
Description
Technical field
A kind of method that the present invention relates to bright chrome plating of eutectic solvent electro-deposition, relates to Surface Engineering and process for treating surface.
Background technology
Chrome plating has the plurality of advantages such as bright property is good, hardness is high, anti-tarnishing ability is strong, wearability is good, and in atmospheric conditions, what energy was permanent keeps original gloss, has higher chemical stability in acid, alkali, the most satisfactory at ornamental and functional aspect.Currently used most common industrial technology is Cr VI chromium plating, and this method is chromium plating in the hot environment of 600 ° of C, and chromium coating can abrupt oxidization；The cathode efficiency of chromium plating is extremely low, and has the precipitation of hydrogen in electroplating process, causes substantial amounts of acid mist, works the mischief the health of environment and workman.And Cr VI can cause mucosa and skin-burns, ulcer, the chromium mist overflowed in plating solution makes chromium plating workman be susceptible to suffer from skin macule, causes long-term harm.Along with the enhancing of people's environmental consciousness, the reform of Cr VI chrome-plated process is imperative.
Eutectic solvent is typically the eutectic mixture combined by quaternary ammonium salt and the hydrogen-bond donor (such as compounds such as amide, carboxylic acid and polyhydric alcohol) of certain stoichiometric proportion.Eutectic solvent has electrochemical window width, dissolubility and good conductivity, steam forces down and the advantage such as good physical and chemical stability, is a kind of novel green solvent.In terms of electrodeposit metals, owing to eutectic solvent can optionally dissolve metal-oxide, there is good electric conductivity and relatively negative reduction potential simultaneously, it is at room temperature that electrodepositable obtains most of metal that can obtain in aqueous, and without side reaction, thus the metal quality that obtains is good, current efficiency is high.Simultaneously as the preparation process of eutectic solvent is simple, low in raw material price, makes the brand-new electrolyte of electrodeposition of lead powder research, have broad application prospects in non-ferrous metallurgy technology field.
Summary of the invention
The present invention is to solve present in Cr VI chrome-plated process, plating solution volatilization is harmful present in existing chromium plating technology, Cr VI is to the technical problem such as environment is unfriendly, thering is provided a kind of method of the bright chrome plating of electro-deposition in eutectic solvent using environmental protection, the present invention is achieved through the following technical solutions.
A kind of method of bright chrome plating of eutectic solvent electro-deposition, it specifically comprises the following steps that
(1) under inert-gas environment, it is first (2 ~ 5) with amide according to mol ratio by quaternary ammonium salt: (1 ~ 3) forms eutectic solvent after mixing homogeneously, then add chromium oxide in the eutectic solvent that temperature is 20 ~ 80 DEG C, prepare eutectic solvent electrolyte；
(2) with graphite as anode, pretreated matrix is negative electrode, to control electrolyte temperature be 40 ~ 80 DEG C, tank voltage is 2.0 ~ 2.6V, under conditions of anode is 0.5 ~ 2cm with cathode distance, electro-deposition 0.5 ~ 3h in the eutectic solvent electrolyte that step (1) prepares, by the cathode base after electrodeposition through acetone, distilled water flushing, one layer of bright chromium can be obtained after drying on cathode base.
Described quaternary ammonium salt is choline chloride, benzyltriethylammonium chloride or hydrogen sulfate TBuA.
Described amide is carbamide, thiourea, acetamide or Benzoylamide.
The addition of described chromium oxide is 10 ~ 80mM.
Described matrix is copper sheet, rustless steel or zinc metal sheet.
The invention has the beneficial effects as follows: use the bright chrome plating light densification that can prepare of the method smooth, strong with matrix binding ability, wearability and excellent corrosion resistance, it is to avoid the harm of Cr VI and plating solution, environmental friendliness.
Accompanying drawing explanation
Fig. 1 is the XRD figure of embodiment 1 Copper substrate substrates product；
Fig. 2 is the SEM figure of embodiment 1 Copper substrate substrates product.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described.
Embodiment 1
The method of this bright chrome plating of eutectic solvent electro-deposition, it specifically comprises the following steps that
(1) under inert-gas environment, first it is formation eutectic solvent after 2:3 is mixed homogeneously by quaternary ammonium salt and amide according to mol ratio, then in the eutectic solvent that temperature is 20 DEG C, add chromium oxide, prepare eutectic solvent electrolyte, wherein quaternary ammonium salt is choline chloride, amide is carbamide, and the addition of chromium oxide is 10mM；
(2) with graphite as anode, pretreated matrix is negative electrode, to control electrolyte temperature be 40 DEG C, tank voltage is 2.0V, under conditions of anode is 0.5cm with cathode distance, electro-deposition 0.5h in the eutectic solvent electrolyte that step (1) prepares, by the cathode base after electrodeposition through acetone, distilled water flushing, can obtain bright chrome plating after drying on cathode base, wherein matrix is copper sheet, and the XRD figure of electro-deposition product and SEM figure are the most as illustrated in fig. 1 and 2.
Embodiment 2
The method of this bright chrome plating of eutectic solvent electro-deposition, it specifically comprises the following steps that
(1) under inert-gas environment, first it is formation eutectic solvent after 5:1 is mixed homogeneously by quaternary ammonium salt and amide according to mol ratio, then in the eutectic solvent that temperature is 50 DEG C, add chromium oxide, prepare eutectic solvent electrolyte, wherein quaternary ammonium salt is benzyltriethylammonium chloride, amide is thiourea, and the addition of chromium oxide is 45mM；
(2) with graphite as anode, pretreated matrix is negative electrode, to control electrolyte temperature be 60 DEG C, tank voltage is 2.3V, under conditions of anode is 1cm with cathode distance, electro-deposition 2h in the eutectic solvent electrolyte that step (1) prepares, by the cathode base after electrodeposition through acetone, distilled water flushing, can obtain bright chrome plating after drying on cathode base, wherein matrix is rustless steel.
Embodiment 3
The method of this bright chrome plating of eutectic solvent electro-deposition, it specifically comprises the following steps that
(1) under inert-gas environment, first it is formation eutectic solvent after 3:2 is mixed homogeneously by quaternary ammonium salt and amide according to mol ratio, then in the eutectic solvent that temperature is 80 DEG C, add chromium oxide, prepare eutectic solvent electrolyte, wherein quaternary ammonium salt is hydrogen sulfate TBuA, amide is acetamide, and the addition of chromium oxide is 80mM；
(2) with graphite as anode, pretreated matrix is negative electrode, to control electrolyte temperature be 80 DEG C, tank voltage is 2.6V, under conditions of anode is 2cm with cathode distance, electro-deposition 3h in the eutectic solvent electrolyte that step (1) prepares, by the cathode base after electrodeposition through acetone, distilled water flushing, can obtain bright chrome plating after drying on cathode base, wherein matrix is zinc.
Claims (5)
1. the method for the bright chrome plating of eutectic solvent electro-deposition, it is characterised in that specifically comprise the following steps that
(1) under inert-gas environment, it is first (2 ~ 5) with amide according to mol ratio by quaternary ammonium salt: (1 ~ 3) forms eutectic solvent after mixing homogeneously, then add chromium oxide in the eutectic solvent that temperature is 20 ~ 80 DEG C, prepare eutectic solvent electrolyte；
(2) with graphite as anode, pretreated matrix is negative electrode, to control electrolyte temperature be 40 ~ 80 DEG C, tank voltage is 2.0 ~ 2.6V, under conditions of anode is 0.5 ~ 2cm with cathode distance, electro-deposition 0.5 ~ 3h in the eutectic solvent electrolyte that step (1) prepares, by the cathode base after electrodeposition through acetone, distilled water flushing, one layer of bright chrome plating can be obtained after drying on cathode base.
The method of the bright chrome plating of eutectic solvent electro-deposition the most according to claim 1, it is characterised in that: described quaternary ammonium salt is choline chloride, benzyltriethylammonium chloride or hydrogen sulfate TBuA.
The method of the bright chrome plating of eutectic solvent electro-deposition the most according to claim 1, it is characterised in that: described amide is carbamide, thiourea, acetamide or Benzoylamide.
The method of the bright chrome plating of eutectic solvent electro-deposition the most according to claim 1, it is characterised in that: the addition of described chromium oxide is 10 ~ 80mM.
The method of the bright chrome plating of eutectic solvent electro-deposition the most according to claim 1, it is characterised in that: described matrix is copper sheet, rustless steel or zinc metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267769.9A CN105821453A (en) | 2016-04-27 | 2016-04-27 | Method for electro-deposition of bright chrome plating layer through low-eutectic-melting solvent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267769.9A CN105821453A (en) | 2016-04-27 | 2016-04-27 | Method for electro-deposition of bright chrome plating layer through low-eutectic-melting solvent |
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| CN105821453A true CN105821453A (en) | 2016-08-03 |
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| CN201610267769.9A Pending CN105821453A (en) | 2016-04-27 | 2016-04-27 | Method for electro-deposition of bright chrome plating layer through low-eutectic-melting solvent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567110A (en) * | 2016-11-07 | 2017-04-19 | 昆明理工大学 | Method of electro-deposition of chromium-manganese alloy coating through deep-eutectic solvents |
| CN108070887A (en) * | 2016-11-15 | 2018-05-25 | 财团法人工业技术研究院 | Electroplating method and system thereof |
| CN108842172A (en) * | 2018-06-15 | 2018-11-20 | 昆明理工大学 | A kind of method that eutectic solvent electro-deposition prepares stainless steel coating |
| CN109338406A (en) * | 2018-12-05 | 2019-02-15 | 昆明理工大学 | A kind of electroreduction metal sulfide method and device |
| CN113652735A (en) * | 2021-08-26 | 2021-11-16 | 安徽工业大学 | Zr-based metal glass and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567110A (en) * | 2016-11-07 | 2017-04-19 | 昆明理工大学 | Method of electro-deposition of chromium-manganese alloy coating through deep-eutectic solvents |
| CN108070887A (en) * | 2016-11-15 | 2018-05-25 | 财团法人工业技术研究院 | Electroplating method and system thereof |
| CN108842172A (en) * | 2018-06-15 | 2018-11-20 | 昆明理工大学 | A kind of method that eutectic solvent electro-deposition prepares stainless steel coating |
| CN109338406A (en) * | 2018-12-05 | 2019-02-15 | 昆明理工大学 | A kind of electroreduction metal sulfide method and device |
| CN113652735A (en) * | 2021-08-26 | 2021-11-16 | 安徽工业大学 | Zr-based metal glass and preparation method and application thereof |
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Application publication date: 20160803 |
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