CN102691060B - Coloring process for spot copper - Google Patents
Coloring process for spot copper Download PDFInfo
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- CN102691060B CN102691060B CN201210194899.6A CN201210194899A CN102691060B CN 102691060 B CN102691060 B CN 102691060B CN 201210194899 A CN201210194899 A CN 201210194899A CN 102691060 B CN102691060 B CN 102691060B
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- Prior art keywords
- foundry goods
- spot
- solution
- copper
- coloring
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- 238000004040 coloring Methods 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 26
- 239000010949 copper Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 6
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000006227 byproduct Substances 0.000 abstract 1
- 230000003628 erosive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 244000137852 Petrea volubilis Species 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 241000521948 Acmella Species 0.000 description 2
- 229910052948 bornite Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Chemical Treatment Of Metals (AREA)
Abstract
The invention relates to a coloring process for spot copper, belonging to the fields of surface treatment of metal materials and manufacturing of handicraft articles. The coloring process comprises the following steps of: selecting a copper-zinc alloy cast with the copper content of 97%-93%, firstly performing coloring pretreatment, then placing the cast in a spot showing solution for eroding for 5-10 minutes so as to show spots, and placing the cast after spot showing in a coloring solution for 1-2 minutes so as to show golden yellow color. The coloring process disclosed by the invention has the advantages of simple operation of a preparation method, low production cost, short production cycle, no restriction by product shapes, aesthetic product color and the like.
Description
technical field:
The present invention relates to a kind of production technique of spot copper, especially painted formula and technique thereof, belong to surface treatment and the ornameutal handiwork field of metallic substance.
background technology:
Spot copper has dividing of " ripe spot " and " raw spot ", tradition spot copper is former is a kind of native crystal copper containing Multiple components, namely so-called " raw spot ", make through the subsequent technique process of shape-designing, casting, Seiko polishing and other complexity and obtain.Spot copper has been valued for spot, speckle dimly visible in Copper base material make bornite handicraft have red in the marvellous color of thoroughly spot, golden yellow friendship brightness, be the exclusive a kind of special warfare of China.The surface of its maroon, the speckle presented, has simple and honest, simple and unsophisticated, elegant impression, can be rated as the hat of smithcraft.Its surface shows the staggered color of various irregular magnificent decorative pattern and golden red, is the distinctive folk traditional craft product in Yunnan Province, is also the traditional handicraft product that China shows unique characteristics, has very high artistic value.
" give birth to spot " because its starting material are rare, processed complex, cost is higher, and industrial scale is less, can only be used for manufacturing simple, that the scale of construction is small and exquisite ancient cooking vessel, stove, bottle etc.Current spot copper main " ripe spot " because the raw material sources of " ripe spot " is sufficient, and is synthetic, so in moulding, the artwork variation that " ripe spot " makes, and not by the restriction of volume size, dissimilar circular engravure, high relief and bas-relief all can make.
The object of the invention is to propose a kind of new spot copper production method, adopt the spot coppery Ze Huali that present method is produced, and it is low to have cost, and simple to operate, color controllable is good, and the advantage such as can be mass-produced.Alleviate the short supply state of " raw spot " raw material to a certain extent, and provide technical guarantee for the casting of spot copper and retrofit.
Summary of the invention
The present invention proposes a kind of coloring process of spot copper, and the spot copper adopting present method to manufacture is in golden yellow, and have cost low, simple to operate, color controllable is good, and the advantage such as can be mass-produced.
Technical scheme of the present invention is: first carry out painted pre-treatment to foundry goods, then in aobvious spot solution, does aobvious spot process, finally carries out painted, obtain painted after foundry goods.Concrete steps comprise as follows:
(1) painted pre-treatment: polish to foundry goods, ensures that cast(ing) surface is level and smooth without hole, puts into hydrochloric acid immersion and removes surface oxide layer, then foundry goods is cleaned up;
(2) aobvious spot process: the foundry goods after cleaning is put in aobvious spot solution and corrodes 5 ~ 10 minutes, foundry goods just there will be the spot differed in size, then clean the foundry goods after aobvious spot, ensures the not aobvious spot solution of cast(ing) surface;
(3) coloring process: put into foundry goods in coloring liquid A, poured coloring liquid B within 1 ~ 2 second time, rocked solution and within 1 ~ 2 minute, made two kinds of solution mix, then take out foundry goods and the blue precipitate on surface is rinsed well, just obtain painted after foundry goods.Foundry goods color after painted is golden yellow, can need to control the concrete time according to the color of concrete technology product, and the time, long some colors were partially redder, and Huang is a bit partially for time shorter color.Sample after painted, dries up post coat protection.
The copper zinc alloy foundry goods of described foundry goods to be copper content be 93 ~ 97wt%.
The concentration of described hydrochloric acid is 10 ~ 12mol/L.
The composition of described aobvious spot solution and percentage range: iron(ic) chloride 7 ~ 9wt%, hydrochloric acid 8 ~ 10wt%, Repone K 0.5 ~ 1wt%.
The composition of described coloring liquid A and percentage range: sodium hydroxide 1.5wt% ~ 4.5wt%, glucose 1wt% ~ 3wt%.
Described coloring liquid B solution is the copper-bath of concentration 10 ~ 13wt%.
The middle coloring liquid B of described step (3) pours coloring liquid A into and mixes with mass ratio 35 ~ 37:32 ~ 36 of B solution according to solution A.
Cleaning process in described the present invention all adopts clear water to rinse.
The present invention compared with prior art has following advantages and positively effect: after spot copper coloring, spot flower is in golden yellow, and stereoscopic sensation and gradation sense are comparatively strong, sees spot flower from different perspectives, due to the difference to light reflection, will show marvellous change.The controllability of color and good stability, compared with preparing bornite products with prior art, quality significantly improves, and alleviates the short supply state of " raw spot " raw material to a certain extent, and provides technical guarantee for the casting of spot copper and retrofit.The raw material sources adopted enriches, and preparation method is simple to operate, and production cost is low, with short production cycle, and not by the restriction of shape of product, can be used to the kinds of processes product such as preparation personage, animal, flowers, Bottle & Can, stove honor, wall ornamentation, vessel, its color and luster is magnificent.
Embodiment
Below in conjunction with embodiment, the present invention is described further, but the invention is not restricted to the following stated scope.
Embodiment 1: the concrete preparation method of the spot copper coloring of the present embodiment:
(1) painted pre-treatment: the copper zinc alloy foundry goods that copper content is 93wt% is polished with sand paper, guarantee cast(ing) surface is level and smooth without hole, puts into the hydrochloric acid immersion removal surface oxide layer that concentration is 10mol/L, then foundry goods is cleaned up;
(2) aobvious spot process: it is iron(ic) chloride 8.1wt% that the foundry goods after cleaning is put into composition, corrode 5 minutes in the aobvious spot solution of hydrochloric acid 9.6wt%, Repone K 0.8wt%, foundry goods just there will be the spot differed in size, then the foundry goods after aobvious spot is cleaned, ensure the not aobvious spot solution of cast(ing) surface;
(3) coloring process: be sodium hydroxide 1.5wt% at composition, foundry goods is put in the coloring liquid A of glucose 1wt%, the coloring liquid B of the copper-bath of concentration 12.2wt% was poured within 2 second time, mix with the mass ratio 35:36 of B solution according to solution A, rocking solution makes two kinds of solution mix for 1 minute, then take out foundry goods the blue precipitate on surface is rinsed well, just obtain painted after foundry goods.Foundry goods color after painted is golden yellow, can need to control the concrete time according to the color of concrete technology product, and the time, long some colors were partially redder, and Huang is a bit partially for time shorter color.Sample after painted, dries up post coat protection.
Embodiment 1: the concrete preparation method of the spot copper coloring of the present embodiment:
(1) painted pre-treatment: the copper zinc alloy foundry goods that copper content is 96wt% is polished with sand paper, guarantee cast(ing) surface is level and smooth without hole, puts into the hydrochloric acid immersion removal surface oxide layer that concentration is 11mol/L, then foundry goods is cleaned up;
(2) aobvious spot process: it is iron(ic) chloride 7wt% that the foundry goods after cleaning is put into composition, corrode 8 minutes in the aobvious spot solution of hydrochloric acid 10wt%, Repone K 0.5wt%, foundry goods just there will be the spot differed in size, then the foundry goods after aobvious spot is cleaned, ensure the not aobvious spot solution of cast(ing) surface;
(3) coloring process: be sodium hydroxide 3wt% at composition, foundry goods is put in the coloring liquid A of glucose 2wt%, the coloring liquid B of the copper-bath of concentration 10wt% was poured within 1 second time, mix with the mass ratio 37:34 of B solution according to solution A, rocking solution makes two kinds of solution mix for 2 minutes, then take out foundry goods the blue precipitate on surface is rinsed well, just obtain painted after foundry goods.Foundry goods color after painted is golden yellow, can need to control the concrete time according to the color of concrete technology product, and the time, long some colors were partially redder, and Huang is a bit partially for time shorter color.Sample after painted, dries up post coat protection.
Embodiment 1: the concrete preparation method of the spot copper coloring of the present embodiment:
(1) painted pre-treatment: the copper zinc alloy foundry goods that copper content is 97wt% is polished with sand paper, guarantee cast(ing) surface is level and smooth without hole, puts into the hydrochloric acid immersion removal surface oxide layer that concentration is 12mol/L, then foundry goods is cleaned up;
(2) aobvious spot process: it is iron(ic) chloride 9wt% that the foundry goods after cleaning is put into composition, corrode 10 minutes in the aobvious spot solution of hydrochloric acid 8wt%, Repone K 1wt%, foundry goods just there will be the spot differed in size, then the foundry goods after aobvious spot is cleaned, ensure the not aobvious spot solution of cast(ing) surface;
(3) coloring process: be sodium hydroxide 4.5wt% at composition, foundry goods is put in the coloring liquid A of glucose 3wt%, the coloring liquid B of the copper-bath of concentration 13wt% was poured into 1.5 second time, mix with the mass ratio 37:32 of B solution according to solution A, rocking solution makes two kinds of solution mix for 1.5 minutes, then take out foundry goods the blue precipitate on surface is rinsed well, just obtain painted after foundry goods.Foundry goods color after painted is golden yellow, can need to control the concrete time according to the color of concrete technology product, and the time, long some colors were partially redder, and Huang is a bit partially for time shorter color.Sample after painted, dries up post coat protection.
Claims (1)
1. a coloring process for spot copper, is characterized in that concrete steps comprise as follows:
(1) painted pre-treatment: polish to foundry goods, ensures that cast(ing) surface is level and smooth without hole, puts into hydrochloric acid immersion and removes surface oxide layer, then foundry goods is cleaned up;
(2) aobvious spot process: the foundry goods after cleaning is put in aobvious spot solution and corrodes 5 ~ 10 minutes, clean the foundry goods after aobvious spot, ensures the not aobvious spot solution of cast(ing) surface;
(3) coloring process: put into foundry goods in coloring liquid A, pours coloring liquid B within the time of 1 ~ 2 second, rocks solution and within 1 ~ 2 minute, makes two kinds of solution mix, then take out foundry goods and the blue precipitate on surface is rinsed well, just obtain painted after foundry goods;
The copper zinc alloy foundry goods of described foundry goods to be copper content be 93 ~ 97wt%;
The concentration of described hydrochloric acid is 10 ~ 12mol/L;
The composition of described aobvious spot solution is iron(ic) chloride 7 ~ 9wt%, hydrochloric acid 8 ~ 10wt%, Repone K 0.5 ~ 1wt%;
The composition of described coloring liquid A is sodium hydroxide 1.5wt% ~ 4.5wt%, glucose 1wt% ~ 3wt%;
Described coloring liquid B is the copper-bath of concentration 10 ~ 13 wt%;
The middle coloring liquid B of described step (3) pours coloring liquid A into and mixes with mass ratio 35 ~ 37:32 ~ 36 of B solution according to solution A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194899.6A CN102691060B (en) | 2012-06-14 | 2012-06-14 | Coloring process for spot copper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194899.6A CN102691060B (en) | 2012-06-14 | 2012-06-14 | Coloring process for spot copper |
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| Publication Number | Publication Date |
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| CN102691060A CN102691060A (en) | 2012-09-26 |
| CN102691060B true CN102691060B (en) | 2014-12-31 |
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| CN201210194899.6A Expired - Fee Related CN102691060B (en) | 2012-06-14 | 2012-06-14 | Coloring process for spot copper |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404499B (en) * | 2014-11-05 | 2016-09-14 | 昆明理工大学 | The coloring liquid of a kind of speckle copper and application |
| CN106756973B (en) * | 2016-11-29 | 2019-02-12 | 云南兴达工艺美术有限公司 | A kind of color method of spot bronze, brass or copper ware tool |
| CN106521198B (en) * | 2016-11-29 | 2018-01-05 | 云南兴达工艺美术有限公司 | A kind of processing method of spot bronze, brass or copper ware tool |
| CN107214297B (en) * | 2017-05-11 | 2020-09-25 | 西安理工大学 | Method for quickly showing spots on surface of metal aluminum handicraft |
| CN110965056A (en) * | 2019-12-18 | 2020-04-07 | 南京晨光艺术工程有限公司 | Coloring liquid for coloring brown on outer surface of brass sculpture and coloring method thereof |
| CN114669979A (en) * | 2022-05-30 | 2022-06-28 | 昆明理工大学 | Preparation method of copper-silver alloy with patterns on surface |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524763A (en) * | 2009-04-23 | 2009-09-09 | 金川集团有限公司 | Method for preparing submicron spherical copper powder |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524763A (en) * | 2009-04-23 | 2009-09-09 | 金川集团有限公司 | Method for preparing submicron spherical copper powder |
Non-Patent Citations (2)
| Title |
|---|
| 云南斑铜斑纹分类研究;朱龙等;《昆明理工大学学报》;20010831;第26卷(第4期);127-130页 * |
| 云南斑铜的显斑着色工艺研究;王少龙等;《表面技术》;20050430;第34卷(第2期);44-46页 * |
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| CN102691060A (en) | 2012-09-26 |
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Effective date of registration: 20161216 Address after: 650093 Kunming, Yunnan, Wuhua District Road, No. 296 Patentee after: INDUSTRY MANAGEMENT LTD KUNMING University OF SCIENCE AND TECHNOLOGY Address before: 650093 Kunming, Yunnan, Wuhua District Road, No. 253 Patentee before: Kunming University of Science and Technology |
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