CN103806065A - Fiber reinforced plastic surface tartrate system imitation gold electroplating process - Google Patents
Fiber reinforced plastic surface tartrate system imitation gold electroplating process Download PDFInfo
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- CN103806065A CN103806065A CN201210444486.9A CN201210444486A CN103806065A CN 103806065 A CN103806065 A CN 103806065A CN 201210444486 A CN201210444486 A CN 201210444486A CN 103806065 A CN103806065 A CN 103806065A
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Abstract
The present invention discloses a fiber reinforced plastic surface tartrate system imitation gold electroplating process, which is characterized by comprising: fiber reinforced plastic production, fiber reinforced plastic pre-plating part pre-treatment, fiber reinforced plastic pre-plating part electroplating, and imitation gold electroplating. According to the invention, influence of the pretreatment, the pre-plating layer and the electroplating solution on the plating layer performance is completely considered so as to obtain the plating layer with ideal performances such as adhesion, corrosion resistance, hardness and the like.
Description
Technical field
The present invention relates to electroplating technology field, particularly a kind of imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP.
Background technology
Imitation gold plating is a kind of ornamental alloy plating technology, on the ornaments surfaces such as jewellery, artwork, home appliances, light fixture and clock and watch, plating one deck decorative imitating gold plate just becomes bright and glittering, can reach the effect identical with proof gold and Deposit appearance color and luster thereof, therefore imitation gold deposit extremely people like.
Glass reinforced plastic is as widely used material of construction, has lightweight, high-strength, easy-formation, the feature such as corrosion-resistant, but its apparent weak effect, tarnish.Glass fiber reinforced plastic surface is carried out to certain pre-treatment, then adopts conventional electrochemical plating, make its surface coverage layer of metal coating, make glass reinforced plastic plating piece have the advantage of glass reinforced plastic and metal concurrently: outward appearance has metalluster, but than metal light, be easy to moulding, cost is low, corrosion-resistant; There is higher ageing resistance, thermotolerance, wear resistance and hardness than glass fiber reinforced plastics product.In addition, glass reinforced plastic plating piece also has the electrical insulating property, thermal insulation, resistance to air loss of glass reinforced plastic matrix, electroconductibility, weldability and shielding to electromagnetic radiation etc. with metal level concurrently, aspect aircraft manufacturing, automobile, electronic instrument industry, light industry and decoration industry, is having extensive use.Therefore carry out imitation gold plating at glass fiber reinforced plastic surface and have the market requirement widely.
Imitation gold plating has prussiate to electroplate and two types of cyanideless electro-platings.Traditional gold simulating electroplating process is that prussiate is electroplated, and toxicity is large, waste water, liquid waste disposal difficulty, and environmental pollution is serious, but also can serious harm healthy to operator, application is extremely restricted.Existing non-cyanide imitating gold electroplating mainly contains Cu-Zn binary imitation gold plating and Cu-Zn-Sn ternary gold simulating electroplating process, but existing technique all exists, process parameters range is narrower, imitation gold deposit appearance luster is undesirable, surface pinholes is more, have the shortcomings such as pit existence, its technique still awaits further improving and optimizing.
Summary of the invention
The present invention is exactly for prior art above shortcomings, and a kind of imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP is provided.Advantage of the present invention is to have taken into full account pre-treatment, pre-plating layer, the impact of electroplate liquid on coating performance, thereby obtains all desirable coating of the various aspects of performance such as bonding force, solidity to corrosion, hardness.And electroplate liquid formulation is simple, be easy to control, process parameters range is wide, and imitation gold deposit crystallization is careful, and appearance luster is good, bath stability, long service life, all plating and hiding power are strong, and batch production stability is high.
Imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP of the present invention, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) the pre-treating technology flow process of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) selection of the pre-plating piece electroplating technology of glass reinforced plastic: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, again bright nickel plating transition layer, finally plate Cu-Zn-Sn alloy layer.Can reduce costs, improve the bonding force between coating simultaneously, can obtain comparatively desirable imitation gold deposit, because the bonding force of copper substrate and matrix and nickel transition layer is all better, and the effective plating of the leveling of nickel coating;
(4) imitation gold plating.
Imitation gold plating of the present invention adopts tartrate system Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution.
In Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, adopt copper sulfate, zinc sulfate and the stannous sulfate main salt as imitation gold plating; The concentration of copper sulfate is 35～50g/L, and when concentration is lower, imitation gold deposit appearance luster is light yellow, and when concentration is higher, appearance luster is golden yellow; Sulfuric acid zinc concentration is 12～20g/L, and when concentration is lower, imitation gold deposit appearance luster is golden red or golden yellow (color partially in vain or partially dark), and when concentration is higher, appearance luster is golden yellow; The concentration of stannous sulfate is 4～8g/L, and when concentration is lower, imitation gold deposit appearance luster is golden yellow, when concentration is higher, and appearance luster variation, edge is yellow, centre is grey black;
In Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, adopt the main complexing agent of tartrate tartrate as cupric ion, zine ion and tin ion, concentration is 240～280g/L; When concentration is lower, imitation gold deposit appearance luster is golden red or golden yellow (color partially in vain or partially dark), and when concentration is higher, appearance luster quality improves, and is golden yellow.
In Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, employing quadrol, Tripotassium Citrate, nitrilotriacetic acid(NTA) be the auxiliary complex-former as cupric ion, zine ion and tin ion as auxiliary complex-former; The concentration of quadrol is 40～60ml/L, and the concentration of Tripotassium Citrate is 15～25g/L, and the concentration of nitrilotriacetic acid(NTA) is 20～30g/L.When auxiliary complex-former concentration is lower, imitation gold deposit appearance luster is golden yellow, and when concentration is higher, appearance luster is golden red.Wherein, quadrol is the most obvious on the impact of imitation gold deposit appearance luster, if do not add quadrol, in any case adjust plating solution composition and processing parameter, preferably can only obtain lurid appearance luster, cannot obtain flavous imitation gold deposit.
In Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, owing to being subject to the oxygenizement of the oxygen in sky G&W, easily there is oxidation and hydrolysis in the divalent tin ion in electroplate liquid.Therefore, must add oxidation inhibitor and the anti hydrolysis agent of sulfuric acid as tin ion, concentration is 3～5ml/L.
Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention must keep certain pH value scope ability stably manufactured, and adopting potassium hydroxide is bath pH value adjusting agent, and when concentration is 15～25g/L, pH value remains on 8.0～10.0.When pH value is lower, appearance luster is golden yellow.When pH value is higher, appearance luster is golden red or grey black.
When the plating of Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, cathode current density is 1.0～3.0A/dm
2; When current density is lower, the copper amount of separating out is more, and imitation gold deposit appearance luster is red.When current density is higher, zinc, the tin amount of separating out increase, and golden yellow thin out, appearance luster is turned white, and also there will be edge to burn.When current density is moderate, appearance luster is golden yellow.
When the plating of Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, electroplating time is 60～90s.Electroplating time extends, and imitation gold deposit appearance luster is changed to red to light yellow by golden yellow.
When the plating of Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention, adopt mechanical stirring or movable cathode, to guarantee that electroplate liquid is uniformly dispersed and eliminates concentration polarization.Stirring velocity is that 100rpm or movable cathode speed are 1～2m/min.
The compound method of Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution of the present invention is as follows: (1) is dissolved in tartrate in distilled water, and the temperature of distilled water is no more than 40 ℃; (2) copper sulfate, zinc sulfate and stannous sulfate are dissolved with distilled water respectively; (3) tartrate solution is under agitation joined in copper sulfate, zinc sulfate and stannous sulfate solution, form respectively stable complex solution, in the time dissolving stannous sulfate, stannous sulfate first must be added in sulfuric acid, otherwise hydrolysis reaction occurs; (4) under agitation, copper sulfate, zinc sulfate and three kinds of complex solutions of stannous sulfate are poured in coating bath; (5) by a small amount of distilled water furnishing pasty state for nitrilotriacetic acid(NTA), then under agitation slowly add until generate clear solution with potassium hydroxide solution.Tripotassium Citrate is dissolved with distilled water simultaneously; (6) under agitation, quadrol, Tripotassium Citrate and nitrilotriacetic acid(NTA) solution are added respectively to coating bath, evenly mix with other complex solution; (7) adjust bath pH value to 8.0 ~ 10.0, the laggard electroplating of electrolysis 6 ~ 8h under low current density.
Compared with prior art, the present invention has the following advantages or positively effect:
1, electroplate liquid is cyanide-free plating bath, and wastewater and waste liquid treatment is easy, and environmental pollution is little, and health is safe from harm;
2, electroplate liquid formulation is simple, is easy to control, and process parameters range is wide, and appearance luster is good, bath stability, and all plating and hiding power are strong, long service life, batch production stability is high;
3, imitation gold deposit crystallization is careful, and porosity is low, is combined firmly, without peeling, come off and peel off with the bright nickel layer of preplating;
4, by adding quadrol and two kinds of auxiliary complex-formers of Tripotassium Citrate, the covering power of plating solution is brought up to more than 80%, and current efficiency is brought up to more than 82%, and under plated state, the specific conductivity of solution is lower than 0.0465 Ω/m.Deposit appearance color and luster obviously improves simultaneously;
5, imitation gold deposit is after passivation, and anti-metachrosis is strong.In the manual imitation sweat of 5g/L sodium-chlor+6ml/L ammoniacal liquor+7ml/L glacial acetic acid of preparing, soak still nondiscoloration of 3h;
6, can replace existing prussiate gold simulating electroplating process, take into full account pre-treatment, pre-plating layer, the impact of electroplate liquid on coating performance, thereby obtain all desirable coating of the various aspects of performance such as bonding force, solidity to corrosion, hardness.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment helps to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1:
Imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) the pre-treating technology flow process of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) selection of the pre-plating piece electroplating technology of glass reinforced plastic: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, again bright nickel plating transition layer, finally plate Cu-Zn-Sn alloy layer;
(4) imitation gold plating: electroplating technology is: copper sulfate: 50g/L; Zinc sulfate: 13g/L; Stannous sulfate: 7g/L; Sulfuric acid: 5ml/L; Seignette salt: 270g/L; Quadrol: 55ml/L; Tripotassium Citrate: 18g/L; Nitrilotriacetic acid(NTA): 25g/L; Potassium hydroxide: 15g/L;
The processing condition of ternary alloy cyanide-free imitation gold plating solution are: pH value: 8.0, and temperature: room temperature, cathode current density: 2.0A/dm
2, electroplating time: 60s.
The cyanide-free imitation gold coating outward appearance that embodiment 1 obtains is golden yellow, non-structure defect; Plating solution covering power is 82%, and current efficiency is 83.5%, and specific conductivity is 0.0462 Ω/m; Anti-metachrosis is strong, soaks 3h nondiscoloration in manual imitation sweat; Surface finish is high, and porosity is low; Be combined firmly with the interface of bright nickel layer, without peeling, come off and peel off; Batch production stability is high; The decorative coating that can be used as the imitative 18K gold that outward appearance is true to nature uses.
Embodiment 2:
Imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) the pre-treating technology flow process of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) selection of the pre-plating piece electroplating technology of glass reinforced plastic: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, again bright nickel plating transition layer, finally plate Cu-Zn-Sn alloy layer;
(4) imitation gold plating: electroplating technology is: copper sulfate: 30g/L; Zinc sulfate: 15g/L; Stannous sulfate: 6g/L; Sulfuric acid: 4ml/L; Seignette salt: 250g/L; Quadrol: 50ml/L; Tripotassium Citrate: 18g/L; Nitrilotriacetic acid(NTA): 20g/L; Potassium hydroxide: 15g/L
The processing condition of ternary alloy cyanide-free imitation gold plating solution are: pH value: 9.0, and temperature: room temperature, cathode current density: 2.0A/dm
2, electroplating time: 60s.
The cyanide-free imitation gold coating outward appearance that embodiment 2 obtains is light yellow, non-structure defect; Plating solution covering power is 81%, and current efficiency is 82.8%, and specific conductivity is 0.0464 Ω/m; Anti-metachrosis is strong, soaks 3h nondiscoloration in manual imitation sweat; Surface finish is high, and porosity is low; Be combined firmly with the interface of bright nickel layer, without peeling, come off and peel off; Batch production stability is high; The decorative coating that can be used as the imitative 9K gold that outward appearance is true to nature uses.
Embodiment 3:
Imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) the pre-treating technology flow process of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) selection of the pre-plating piece electroplating technology of glass reinforced plastic: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, again bright nickel plating transition layer, finally plate Cu-Zn-Sn alloy layer;
(4) imitation gold plating: electroplating technology is: copper sulfate: 35g/L; Zinc sulfate: 12g/L; Stannous sulfate: 5g/L; Sulfuric acid: 3ml/L; Seignette salt: 260g/L; Quadrol: 60ml/L; Tripotassium Citrate: 18g/L; Nitrilotriacetic acid(NTA): 22g/L; Potassium hydroxide: 20g/L.
The processing condition of ternary alloy cyanide-free imitation gold plating solution are: pH value: 10, and temperature: room temperature, cathode current density: 2.5A/dm
2, electroplating time: 90s.
The cyanide-free imitation gold coating outward appearance that embodiment 3 obtains is golden red, non-structure defect; Plating solution covering power is 83.5%, and current efficiency is 83.2%, and specific conductivity is 0.0459 Ω/m; Anti-metachrosis is strong, soaks 3h nondiscoloration in manual imitation sweat; Surface finish is high, and porosity is low; Be combined firmly with the interface of bright nickel layer, without peeling, come off and peel off; Batch production stability is high; The decorative coating that can be used as the imitative 24K gold that outward appearance is true to nature uses.
Embodiment 4:
Imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) the pre-treating technology flow process of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) selection of the pre-plating piece electroplating technology of glass reinforced plastic: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, again bright nickel plating transition layer, finally plate Cu-Zn-Sn alloy layer;
(4) imitation gold plating: electroplating technology is: copper sulfate: 45g/L; Zinc sulfate: 18g/L; Stannous sulfate: 8g/L; Sulfuric acid: 5ml/L; Seignette salt: 280g/L; Quadrol: 45ml/L; Tripotassium Citrate: 18g/L; Nitrilotriacetic acid(NTA): 25g/L; Potassium hydroxide: 20g/L
The processing condition of ternary alloy cyanide-free imitation gold plating solution are: pH value: 9.0, and temperature: room temperature, cathode current density: 3.0A/dm
2, electroplating time: 60s.
The cyanide-free imitation gold coating outward appearance that embodiment 4 obtains is golden yellow, non-structure defect; Plating solution covering power is 80.5%, and current efficiency is 82.6%, and specific conductivity is 0.0465 Ω/m; Anti-metachrosis is strong, soaks 3h nondiscoloration in manual imitation sweat; Surface finish is high, and porosity is low; Be combined firmly with the interface of bright nickel layer, without peeling, come off and peel off; Batch production stability is high; The decorative coating that can be used as the imitative 18K gold that outward appearance is true to nature uses.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, and the selections of the equivalence replacement to the each raw material of product of the present invention and the interpolation of ancillary component, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (6)
1. an imitation gold electroplating with tartaric acid salt as key complexant on surface of GFRP, is characterized in that: comprising:
(1) making of glass reinforced plastic: employing unsaturated polyester resin, two kinds of each half of glass-fiber-fabric that thickness is different are manually coated with making glass reinforced plastic, thickness can be determined as requested voluntarily, make its surface form conduction gel coat by the ultra-fine hybrid conductive powder of admixture, make electroconductive frp;
(2) pre-treatment of the pre-plating piece of glass reinforced plastic: glass reinforced plastic plating piece → liquid honing → ultra-fine polishing → chemical rightenning → TOS treatment solution processing → pre-pre-plating piece of copper facing (20～30min) → bright nickel plating (15min) → plating ternary alloy glass reinforced plastic;
(3) the pre-plating piece of glass reinforced plastic is electroplated: by first pre-the glass reinforced plastic of crossing through TOS solution-treated plating piece copper facing transition layer, bright nickel plating transition layer again;
(4) imitation gold plating.
2. technique according to claim 1, it is characterized in that: electroplate liquid is take copper sulfate, zinc sulfate and stannous sulfate as main salt, take tartrate as main complexing agent, take quadrol, Tripotassium Citrate, nitrilotriacetic acid(NTA) as auxiliary complex-former, oxidation inhibitor take sulfuric acid as divalent tin ion and anti hydrolysis agent, take potassium hydroxide as bath pH value adjusting agent.
3. technique according to claim 2, it is characterized in that: the concentration of described copper sulfate is 35 ~ 50g/L, sulfuric acid zinc concentration is 12 ~ 20g/L, the concentration of stannous sulfate is 4 ~ 8g/L, and the concentration of tartrate is 240 ~ 280g/L, and the concentration of quadrol is 40 ~ 60ml/L, the concentration of Tripotassium Citrate is 15 ~ 20g/L, the concentration of nitrilotriacetic acid(NTA) is 15 ~ 25g/L, and the concentration of sulfuric acid is 3 ~ 5ml/L, and the concentration of potassium hydroxide is 15 ~ 25g/L.
4. technique according to claim 2, is characterized in that the preparation method of electroplate liquid contains following steps: (1) is dissolved in tartrate in distilled water, and the temperature of distilled water is no more than 40 ℃; (2) copper sulfate, zinc sulfate and stannous sulfate are dissolved with distilled water respectively; (3) tartrate solution is under agitation joined in copper sulfate, zinc sulfate and stannous sulfate solution, form respectively stable complex solution, in the time dissolving stannous sulfate, stannous sulfate first must be added in sulfuric acid, otherwise hydrolysis reaction occurs; (4) under agitation, copper sulfate, zinc sulfate and three kinds of complex solutions of stannous sulfate are poured in coating bath; (5) by a small amount of distilled water furnishing pasty state for nitrilotriacetic acid(NTA), then under agitation slowly add until generate clear solution with potassium hydroxide solution.Tripotassium Citrate is dissolved with distilled water simultaneously; (6) under agitation, quadrol, Tripotassium Citrate and nitrilotriacetic acid(NTA) solution are added respectively to coating bath, evenly mix with other complex solution; (7) adjust bath pH value to 8.0 ~ 10.0, the laggard electroplating of electrolysis 6 ~ 8h under low current density.
5. technique according to claim 2, is characterized in that: electroplating manipulation condition is: cathode current density is 1.0 ~ 3.0A/dm
2, pH is 8.0 ~ 10.0, and bath temperature is room temperature, and electroplating time is 60 ~ 90s, and anode material is 316L stainless steel, adopts mechanical stirring or movable cathode.
6. technique according to claim 2, is characterized in that: described mechanical stirring speed is that 100rpm or movable cathode speed are 1 ~ 2m/min.
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| CN201210444486.9A CN103806065A (en) | 2012-11-08 | 2012-11-08 | Fiber reinforced plastic surface tartrate system imitation gold electroplating process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543914A (en) * | 2015-12-23 | 2016-05-04 | 苏州市金星工艺镀饰有限公司 | Electroplating method for decorative copper zinc alloy electroplating solution |
| CN105543915A (en) * | 2015-12-25 | 2016-05-04 | 东莞星晖真空镀膜塑胶制品有限公司 | Imitation gold electroplating process for plastic surface |
| CN106835216A (en) * | 2017-03-16 | 2017-06-13 | 湖北吉和昌化工科技有限公司 | Without cyanogen, it is without phosphorus, without aminoform gold plating bath and its preparation and electroplating technology |
| CN107127983A (en) * | 2017-05-14 | 2017-09-05 | 南通德瑞森复合材料有限公司 | A kind of imitation gold plating glass reinforced plastic pipe preparation technology |
| CN115256139A (en) * | 2022-07-26 | 2022-11-01 | 伯恩光学(深圳)有限公司 | Preparation method of 3D sand-etched glass mobile phone rear cover |
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2012
- 2012-11-08 CN CN201210444486.9A patent/CN103806065A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543914A (en) * | 2015-12-23 | 2016-05-04 | 苏州市金星工艺镀饰有限公司 | Electroplating method for decorative copper zinc alloy electroplating solution |
| CN105543915A (en) * | 2015-12-25 | 2016-05-04 | 东莞星晖真空镀膜塑胶制品有限公司 | Imitation gold electroplating process for plastic surface |
| CN106835216A (en) * | 2017-03-16 | 2017-06-13 | 湖北吉和昌化工科技有限公司 | Without cyanogen, it is without phosphorus, without aminoform gold plating bath and its preparation and electroplating technology |
| CN106835216B (en) * | 2017-03-16 | 2018-11-30 | 湖北吉和昌化工科技有限公司 | Without cyanogen, it is without phosphorus, without aminoform gold plating bath and its preparation and electroplating technology |
| CN107127983A (en) * | 2017-05-14 | 2017-09-05 | 南通德瑞森复合材料有限公司 | A kind of imitation gold plating glass reinforced plastic pipe preparation technology |
| CN115256139A (en) * | 2022-07-26 | 2022-11-01 | 伯恩光学(深圳)有限公司 | Preparation method of 3D sand-etched glass mobile phone rear cover |
| CN115256139B (en) * | 2022-07-26 | 2023-10-31 | 伯恩光学(深圳)有限公司 | Preparation method of rear cover of 3D etched glass mobile phone |
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Application publication date: 20140521 |