CN1212425C - Non-cyanide gold imitation electro plating method of flowers and plants - Google Patents
Non-cyanide gold imitation electro plating method of flowers and plants Download PDFInfo
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- CN1212425C CN1212425C CN 03118870 CN03118870A CN1212425C CN 1212425 C CN1212425 C CN 1212425C CN 03118870 CN03118870 CN 03118870 CN 03118870 A CN03118870 A CN 03118870A CN 1212425 C CN1212425 C CN 1212425C
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Abstract
The present invention relates to method for electroplating imitation gold on the surfaces of flowers without using cyanide, which belongs to the technical field of electroplating imitation gold without using cyanide. The method is also suitable for electroplating imitation gold on leaves or beetles without using cyanide. The method for electroplating imitation gold on flowers without using cyanide is characterized in that the method comprises the following steps: cleaning treatment, coarsening treatment, sensitizing treatment, activating treatment, reducing treatment, chemical plating copper, bright plating copper, electroplating imitation gold, passivating treatment and coating a protective film. The non-cyanide imitation gold electroplating solution is prepared from 45 g/L of CuSO4.5H2O, 15 g/L of ZnSO4.2H2O, 5 g/L of SnC12.2H2O, 320 g/L of K4P2O7, 35 g/L of KNaC4H4O6, 20 g/L of K3C6H5O7 and 25 g/L of nitrilotriacetic acid. The method accords with the requirement of environmental protection and has the advantage of low cost. Large-scale production can be realized.
Description
Technical field
The present invention relates to the technical field of the imitative gold of a kind of cyanideless electro-plating, concretely, relate to a kind of method of carrying out the imitative gold of cyanideless electro-plating on the flowers surface, also be applicable to that leaf or beetle carry out the imitative gold of cyanideless electro-plating simultaneously.
Background technology
The Chinese patent application name is called " the electrogilding methods of a kind of flowers " (notification number 1339620) and discloses a kind of prussiate that utilizes fresh flower is carried out the proof gold electric plating method, owing to use prussiate in this electroplating technology, easy first contaminate environment, second the proof gold electroplating cost is higher.
Summary of the invention
At above deficiency, the purpose of this invention is to provide a kind of non-cyanide imitating gold electroplating method that flowers are carried out, this method compliance with environmental protection requirements and cost are extremely low, can realize scale operation.
Technical scheme of the present invention is: the non-cyanide imitating gold electroplating method of a kind of flowers, and it is undertaken by following program:
Clean → roughening treatment → sensitization processing → activation treatment → reduction processing → electroless copper → bright copper plating → imitation gold plating → Passivation Treatment → be coated with protective membrane;
At first 30-40 minute clean carried out on the flowers surface 30-40 ℃ the time, take out, use the silk friction, make its surface irregularity, put into alcohol and soaked 5-10 minute with after the clear water rinsing with suds; Handle with the alligatoring aqueous solution of preparation then, in the time of 15-35 ℃, carry out roughening treatment in 1-5 minute; The sensitization aqueous solution with preparation carries out sensitization in 2-5 minute processing at 20-25 ℃; With preparing activated water solution 20-25 ℃ of activation treatment of carrying out 0.5-5 minute; Reducing solution with preparation carries out reduction processing in 1-5 minute; The electroless copper aqueous solution with preparation carries out electroless copper processing in 15-20 minute at 25-45 ℃; With the preparation the bright copper plating aqueous solution at 15-30 ℃, 2-4A/dm
2The cathode current density condition under carry out 5-10 minute acidic copper-plating of bright; With the preparation Cyanida free imitative electrogilding solution at 30-35 ℃, pH value 8.5-8.8, cathode current density 1-1.5A/dm
2, negative electrode moves to carrying out non-cyanide imitating gold electroplating under 20-25 time/minute the condition; With the passivation aqueous solution of preparation, passivation is 30-60 minute in the time of 20-30 ℃; Protective membrane liquid with preparation is coated with protective membrane 30-45 minute under 60-80 ℃, finish flowers, and the operation of imitation gold plating is carried out on leaf or beetle surface; Described Cyanida free imitative electrogilding solution is prepared by following recipe ratio:
Cupric sulfate pentahydrate 45g/L,
Sulfate dihydrate zinc 15g/L,
Stannous chloride dihydrate 5g/L,
Potassium pyrophosphate 320g/L,
Seignette salt 35g/L,
Tripotassium Citrate 20g/L,
Nitrilotriacetic acid(NTA) 25g/L.
Adopt present method to carry out imitation gold plating on various flowers surface, flowers through imitation gold plating are attractive in appearance, the intensity height, and has a very natural texture, adopt non-cyanide imitating gold electroplating, compliance with environmental protection requirements, and it is extremely low to adopt flowers provided by the present invention surface to carry out the cost of imitation gold plating, is suitable for scale operation.
Embodiment
Realize that the best approach of the present invention is: at first 35 minutes clean are carried out on the flowers surface 35 ℃ the time, take out, use the silk friction, make its surface irregularity, put into alcohol and soaked 8 minutes with after the clear water rinsing with suds; Handle with the alligatoring aqueous solution of preparation then and carry out roughening treatment in 3 minutes 25 ℃ the time; The sensitization aqueous solution with preparation carries out sensitization in 4 minutes processing at 23 ℃; With preparing activated water solution 23 ℃ of activation treatment of carrying out 3 minutes; Reducing solution with preparation carries out reduction processing in 3 minutes; The electroless copper aqueous solution with preparation carries out electroless copper processing in 18 minutes at 35 ℃; With the preparation the bright copper plating aqueous solution at 25 ℃, 3A/dm
2The cathode current density condition under carry out 8 minutes acidic copper-plating of bright; With the preparation Cyanida free imitative electrogilding solution at 33 ℃, pH value 8.5-8.8, cathode current density 1.2A/dm
2, it is to carry out non-cyanide imitating gold electroplating under 23 times/minute the condition that negative electrode moves; With the passivation aqueous solution of preparation, passivation is 50 minutes in the time of 25 ℃; Protective membrane liquid with preparation is coated with protective membrane 33 minutes under 70 ℃, finish flowers, and the operation of imitation gold plating is carried out on leaf or beetle surface.
The employed aqueous formulation of above-mentioned each operation is as follows respectively:
1, the alligatoring aqueous solution is prepared by following recipe ratio:
Chromium is done (CrO
3) 100g/L,
The vitriol oil (H
2SO
4Dense) 400ml/L.
2, the sensitization aqueous solution is prepared by following recipe ratio:
Stannous chloride dihydrate (SnCl
22H
2O) 10～25g/L,
Hydrochloric acid (HCl) 40～60ml/L,
Water (H
2O) some.
3, activated water solution is prepared by following recipe ratio:
Silver Nitrate (AgNO
3) 2～4g/L
Ammoniacal liquor (NH
3H
2O) add to the just dissolving again of generation precipitation.
4, reducing solution is prepared by following recipe ratio:
37% formaldehyde (HCHO, 37%), 1 volume,
Water (H
2O) 9 volumes.
5, the electroless copper aqueous solution is prepared by following recipe ratio:
Cupric sulfate pentahydrate (CuSO
45H
2O) 15g/l,
Seignette salt (KNaC
4H
4O
6) 40g/l,
Sodium hydroxide (NaOH) 20g/l,
37% formaldehyde (HCHO, 37%) 15ml/l,
Thiocarbamide [(NH
2)
2CS] 0.8g/l.
6, the bright copper plating aqueous solution is prepared by following recipe ratio:
Cupric sulfate pentahydrate (CuSO
45H
2O) 225g/l,
Sulfuric acid (H
2SO
4) 60g/l,
Cl ion 80ml/l,
2-mercaptan 18ml/l.
7, Cyanida free imitative electrogilding solution is prepared by following recipe ratio:
Cupric sulfate pentahydrate (CuSO
45H
2O) 45g/L,
Sulfate dihydrate zinc (ZnSO
42H
2O) 15g/L,
Stannous chloride dihydrate (SnCl
22H
2O) 5 (adding before electroplating) g/L,
Potassium pyrophosphate (K
4P
2O
7) 320g/L,
Seignette salt (KNaC
4H
4O
6) 35g/L,
Tripotassium Citrate (K
3C
6H
5O
7) 20g/L,
Nitrilotriacetic acid(NTA) 25g/L.
8, the passivation aqueous solution is prepared by following recipe ratio:
K
2CrO
7 40-50g/l，
PH (transferring) 3-4 with acetic acid.
9, protective membrane liquid is prepared by following recipe ratio:
1 part of 115 acrylic varnish,
2 parts of pimelinketone.
Flowers imitation gold plating method of the present invention is applicable to that also to leaf, imitation gold plating is carried out on the beetle surface.
Claims (7)
1. the non-cyanide imitating gold electroplating method of flowers is characterized in that it is undertaken by following program:
Clean → roughening treatment → sensitization processing → activation treatment → reduction processing → electroless copper → bright copper plating → imitation gold plating → Passivation Treatment → be coated with protective membrane; Its concrete steps are:
At first 30-40 minute clean carried out on the flowers surface 30-40 ℃ the time, take out, use the silk friction, make its surface irregularity, put into alcohol and soaked 5-10 minute with after the clear water rinsing with suds; Handle with the alligatoring aqueous solution of preparation then, in the time of 15-35 ℃, carry out roughening treatment in 1-5 minute; The sensitization aqueous solution with preparation carries out sensitization in 2-5 minute processing at 20-25 ℃; With preparing activated water solution 20-25 ℃ of activation treatment of carrying out 0.5-5 minute; Reducing solution with preparation carries out reduction processing in 1-5 minute; The electroless copper aqueous solution with preparation carries out electroless copper processing in 15-20 minute at 25-45 ℃; With the preparation the bright copper plating aqueous solution at 15-30 ℃, 2-4A/dm
2The cathode current density condition under carry out 5-10 minute acidic copper-plating of bright; With the preparation Cyanida free imitative electrogilding solution at 30-35 ℃, pH value 8.5-8.8, cathode current density 1-1.5A/dm
2, negative electrode moves to carrying out non-cyanide imitating gold electroplating under 20-25 time/minute the condition; With the passivation aqueous solution of preparation, passivation is 30-60 minute in the time of 20-30 ℃; Protective membrane liquid with preparation is coated with protective membrane 30-45 minute under 60-80 ℃, finish flowers, and the operation of imitation gold plating is carried out on leaf or beetle surface; Described Cyanida free imitative electrogilding solution is prepared by following recipe ratio:
Cupric sulfate pentahydrate 45g/L,
Sulfate dihydrate zinc 15g/L,
Stannous chloride dihydrate 5g/L,
Potassium pyrophosphate 320g/L,
Seignette salt 35g/L,
Tripotassium Citrate 20g/L,
Nitrilotriacetic acid(NTA) 25g/L.
2. the non-cyanide imitating gold electroplating method of a kind of flowers according to claim 1 is characterized in that the described alligatoring aqueous solution prepares by following recipe ratio:
Chromium is done 100g/L,
Vitriol oil 400ml/L.
3. the non-cyanide imitating gold electroplating method of a kind of flowers according to claim 1 is characterized in that described reducing solution prepares by following recipe ratio:
37% formaldehyde 1 volume,
Water 9 volumes.
4. the non-cyanide imitating gold electroplating method of a kind of flowers according to claim 1 is characterized in that the described electroless copper aqueous solution prepares by following recipe ratio:
Cupric sulfate pentahydrate 15g/l,
Seignette salt 40g/l,
Sodium hydroxide 20g/l,
37% formaldehyde 15ml/l,
Thiocarbamide 0.8g/l.
5. the non-cyanide imitating gold electroplating method of a kind of flowers according to claim 1 is characterized in that the described passivation aqueous solution prepares by following recipe ratio:
K
2CrO
7 40-50g/l
Transfer pH 3-4 with acetic acid.
6. the non-cyanide imitating gold electroplating method of a kind of flowers according to claim 1 is characterized in that described protective membrane liquid prepares by following recipe ratio:
1 part of 115 acrylic varnish
2 parts of pimelinketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118870 CN1212425C (en) | 2003-04-01 | 2003-04-01 | Non-cyanide gold imitation electro plating method of flowers and plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118870 CN1212425C (en) | 2003-04-01 | 2003-04-01 | Non-cyanide gold imitation electro plating method of flowers and plants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1442510A CN1442510A (en) | 2003-09-17 |
| CN1212425C true CN1212425C (en) | 2005-07-27 |
Family
ID=27797214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118870 Expired - Fee Related CN1212425C (en) | 2003-04-01 | 2003-04-01 | Non-cyanide gold imitation electro plating method of flowers and plants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1212425C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654038B (en) * | 2009-06-24 | 2012-10-10 | 宁连才 | Method for producing fresh flower refreshing decorations |
| CN101709494B (en) * | 2009-12-14 | 2012-07-04 | 昆明理工大学 | Cu-Zn-Sn ternary alloy cyanide-free imitation gold plating solution and use method thereof |
| CN101736342B (en) * | 2010-01-19 | 2012-05-09 | 陕西科技大学 | Method for plating metal on surface of flower |
| CN105018996A (en) * | 2015-07-24 | 2015-11-04 | 程才用 | Alloy electroplating technology and alloy |
| CN105274593A (en) * | 2015-11-30 | 2016-01-27 | 苏州市金星工艺镀饰有限公司 | Imitation gold electroplate liquid and electroplating method thereof |
| CN106676594A (en) * | 2016-06-10 | 2017-05-17 | 太原工业学院 | Low-cost cyanide-free copper-zinc-tin alloy electroplating solution and copper-zinc-tin alloy electroplating technology thereof |
| CN110592627B (en) * | 2019-10-31 | 2021-04-06 | 四川轻化工大学 | Cyanide-free imitation gold electroplating solution and magnesium alloy electroplating process thereof |
-
2003
- 2003-04-01 CN CN 03118870 patent/CN1212425C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1442510A (en) | 2003-09-17 |
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Owner name: SHENZHEN CITY ZHOUDASHENG DRILLING DECORATED CO., Free format text: FORMER OWNER: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN) Effective date: 20060707 |
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Owner name: ZHOUDASHENG JEWELRY CO., LTD. Free format text: FORMER OWNER: SHENZHEN CITY ZHOUDASHENG DIAMOND JEWELRY CO., LTD. Effective date: 20091120 |
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Effective date of registration: 20091120 Address after: Luohu District B.Free road Shenzhen city Guangdong province No. 48 Jin Li Garden apartment complex fourth layer 4G001B Patentee after: Zhou Dasheng jewellery Ltd Address before: Room 1, building 2908-2909, building 2, Shennan Road, Futian District, Shenzhen, Guangdong, China Patentee before: Shenzhen Chow Tai Seng Mainland Co., Ltd. |
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Address after: Shenzhen City, Luohu District Wenjin Road North Tianbei garden podium mall three layer 301 Patentee after: CHOW TAI SENG JEWELRY CO., LTD. Address before: Luohu District B.Free road Shenzhen city Guangdong province 518020 No. 48 Jin Li Garden apartment complex fourth layer 4G001B Patentee before: Zhou Dasheng jewellery Ltd |
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Granted publication date: 20050727 Termination date: 20190401 |