CN104233276A - Copper product surface thermal coloring process method - Google Patents
Copper product surface thermal coloring process method Download PDFInfo
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- CN104233276A CN104233276A CN201410442231.8A CN201410442231A CN104233276A CN 104233276 A CN104233276 A CN 104233276A CN 201410442231 A CN201410442231 A CN 201410442231A CN 104233276 A CN104233276 A CN 104233276A
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Abstract
The invention discloses a copper product surface thermal coloring process method. The method comprises the following steps: (1) copper product surface pretreatment; (2) copper product surface under-painting; (3) marbling coloring; and (4) treatment after coloring. According to the process method disclosed by the invention, by virtue of a formula of marbling coloring slurry and the design of coloring modes, the copper product surface is clear in coloring pattern, vivid in marble imitation effect and strong in adhesive force, has good temperature resistance and weather resistance, and is bright and colorful in colored color layer, and can be widely applied to coloring decoration and the like of the surfaces of copper crafts; and the process method disclosed by the invention is low in cost and simple and convenient to operate.
Description
Technical field
The present invention relates to a kind of metal surface treating method, be specifically related to a kind of process for making making brass work surface have marbling effect true to nature.
Background technology
Traditional bronze staining method is adopt cold painted or natural coloring mostly, and its way is that the now adopts bronze chemical stain more general by copper piece being put into outdoor or being embedded in soil, adding that some are filled a prescription, allowing it play colour-change from the teeth outwards at leisure.Bronze chemical stain (BRONZE PATINA), domestic is be heated to be catalyzer also known as the chemical hot tinting of bronze, impels compound and Bronze to produce chemical reaction, and natural production shades of colour, to reach the effect on jewelry bronze surface.The color of Bronze, traditional color spot, generally all very dull: to be only limitted to patina, iron oxide red spot, several colors that black tone etc. are few in number.Representative color has: the color on domestic many unearthed Bronze Relics surfaces.Mostly these colors are specifically to store in bad border in underground, and surface hydrophilic is oxidized, the time even longer through thousand and self-assembling formation.But the hot tinting technique that general brass work handicraft surface adopts, color is often more single, and color is also gorgeous not, and artistic expression is not very strong.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of brass work surface heat colouring process, specifically a kind of hot tinting processing method making Scagliola effect on brass work surface, the method is by the design facing to colour chemistry reagent combination, make the marbling on copper artware surface clear, sticking power is good, and effect is true to nature.
In order to achieve the above object, present invention employs following technical scheme:
The method comprises the following steps:
Step (1), brass work surface preparation
Surface finish is carried out to brass work, makes its any surface finish, then rinse well with clear water;
Surface finish method cleans by sandblasting, or cleans brass work surface with clean of plastics hundred and copper brush, or combination polishing, until surface is clean and tidy clean;
Described combination polishing refers to that utilize sandblasting to clean alternately carries out surface finish to brass work with clean of plastics hundred and copper brush are clean simultaneously;
Step (2), brass work surface background color
2.1 background color tinting material carried out evenly coating from top to bottom in step (1) pretreated brass work surface painted, obtains the brass work that background color layer thickness is 5 ~ 15 μm;
Described background color tinting material is copper blackening agent for surface, or concentration is the potassium sulfide aqueous solution of 5 ~ 20 grams/L;
Described copper blackening agent for surface obtains by market purchase;
2.2 brass works above-mentioned steps 2.1 being finished background color wipe floating ash and the surface color layer on surface gently, rinse well with clear water, Heated Copper product surface is until temperature reaches 120 ~ 200 DEG C, then with watering can or hairbrush, painted black slurry or iron nitrate mill base dissolution homogeneity spray or brush on brass work surface, and with gas spray gun continuous heating brass work surface 1 ~ 2h, its surface temperature is made to remain on 120 ~ 200 DEG C, observe the change of brass work surface color, till uniform black oxidation pigmented layer appears in brass work surface; Then its surface is rinsed gently to remove the floating ash in surface with clear water;
In above-mentioned steps 2.2 heat-processed, painted black slurry or iron nitrate evenly spray or the brushing on brass work surface 40 ~ 100 times repeatedly of mill base solution with watering can or hairbrush;
The preparation method of described painted black slurry is:
Be the ferric oxide red powder of 3 ~ 5 parts by parts by weight, the water mixing that is 1000 parts of the parts by weight ferric oxide bloom that is 3 ~ 5 parts, the parts by weight phthalocyanine blue that is 1 ~ 2 part, the parts by weight dispersion agent polyoxyethylene glycol that is 0.2 ~ 0.5 part, parts by weight, grinding distribution, obtains painted black slurry by 100 ~ 200 object filter screen filtration;
The molecular weight of described polyoxyethylene glycol is 3000 ~ 10000; The particle diameter of described ferric oxide red powder, ferric oxide bloom, phthalocyanine blue is less than 20 μm;
The iron nitrate aqueous solution that mill base is concentration 8 ~ 20 grams/L by described iron nitrate;
Step (3), marbling are painted
The water mixing that the ceramic muffle painting powder that the titanium dioxide that the cupric chloride that the Silver Nitrate that 3.1 cupric nitrates that be iron nitrate, the parts by weight of 2 ~ 10 parts by parts by weight are 5 ~ 20 parts, parts by weight are 2 ~ 5 parts, parts by weight are 2 ~ 5 parts, parts by weight are 5 ~ 10 parts, parts by weight are 10 ~ 20 parts, parts by weight are 1000 parts, obtains chemical pigmenting liquid;
Described ceramic muffle painting powder adopts assorted ceramic muffle painting powder;
3.2 is surperficial until reach 120 ~ 200 DEG C of temperature with the brass work after gas spray gun heating steps 2.2 process, and the chemical pigmenting liquid writing brush random point then above-mentioned steps 3.1 prepared dips on brass work surface, forms the decorative pattern of marbling shape gradually; Different colours chemical pigmenting liquid and different decorative pattern can be dipped at same brass work surface point, dip clear water with hairbrush after whole structure is satisfied and the floating ash on surface is cleaned out;
Step (4), painted aftertreatment
Painted complete after, carry out surface-closed with paraffin or varnish;
Described paraffin surface is closed and is adopted the brass work after step 3.2 being processed to carry out external coating at 80 ~ 120 DEG C, extremely bright with clean soft cloth wiping after then cooling the temperature to normal temperature;
Described varnish surface-closed adopts varnish to carry out surface-closed after adopting the brass work after step 3.2 being processed to be cooled to normal temperature.
The present invention has the following advantages:
A, owing to adding a small amount of cupric chloride chemical reagent copper being had to corrosive nature in chemical stain liquid formula, greatly strengthen the sticking power of pigment powder on brass work surface, improves the sticking power of color layers on copper surface;
B, owing to have employed heatproof in chemical stain liquid formula at the ceramic muffle painting powder of 700 ~ 1200 DEG C as pigment, substantially increases temperature tolerance and the weathering resistance of brass work surface color layer;
C, due to the raising of color layers sticking power, also greatly widens pigment powder range of choice, has enriched the painted of brass work surface color;
D, due to the raising of color layers sticking power, on same brass work surface also can multiple color alternately painted, reach the colorful property of brass work surface color.
The marbling on the brass work surface made by present invention process method is clear true to nature, and strong adhesion, has good temperature tolerance and weathering resistance, and painted color layers is bright and colourful, both can wax closed, also can close with varnish.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
1, copper artware surface preparation
1.1 make copper incense burner by product design requirement
1.2 product surface pre-treatment, copper incense burner is put into sandblast machine adopt 250 object glass fine sands carry out surface sand-blasting clean and tidy clean after, rinse well with clear water.
2, copper incense burner surface background color
2.1 adopt the method concentration of thermal oxidation color to be that the potassium sulfide aqueous solution of 8 grams/L makes background color on whole brass work surface from top to bottom on brass work surface, obtain the brass work that background color layer thickness is 10 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.2 gently, then rinse well with clear water, Heated Copper product surface, until reach 120 DEG C of temperature, then evenly brush on brass work surface with the iron nitrate aqueous solution that concentration is 8 grams/L by hairbrush, and with gas spray gun continuous heating brass work surface 1h, make its surface temperature maintain about 120 DEG C always, observe the change of brass work surface color, repeat to brush iron nitrate aqueous solution with hairbrush and operate 40 times, until there is uniform heat-tinting layer in copper surface, then its surface is rinsed gently to remove the floating ash in surface with clear water.
3, Scagliola decorative pattern is painted
The red colored slurry batching of 3.1 preparation: iron nitrate 10 grams, cupric nitrate 16 grams, Silver Nitrate 4 grams, cupric chloride 3 grams, titanium dioxide 8 grams, 16 grams, cadmium Exocarpium Citri Rubrum pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 150 DEG C of temperature when, the red colored slurry of above-mentioned steps 3.1 is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 150 DEG C, puts swiped through journey in picturesque disorder, forms staggered red decorative pattern gradually.
By tinting steps above, it is the interlaced similar marmorean decorative pattern of cologne earth look and red decorative pattern that copper incense burner surface defines background color gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, at 80 DEG C, close copper piece with paraffin brushing, until copper piece surface temperature be thoroughly down to after normal temperature with clean soft cloth wiping to light.
Embodiment 2:
1, copper artware surface preparation
1.1 make copper artware horse goods of furniture for display rather than for use by product design requirement
1.2 product surface pre-treatment, copper artware horse goods of furniture for display rather than for use is put into sandblast machine adopt 320 object glass fine sands carry out surface sand-blasting clean and tidy clean after, rinse well with clear water.
2, copper artware horse goods of furniture for display rather than for use surface black background color
The painted black slurry of 2.1 preparation: ferric oxide red powder 3.5 grams, ferric oxide bloom 3.5 grams, phthalocyanine blue 1 gram, dispersion agent polyoxyethylene glycol 0.5 gram, 1 liter, water, grinding distribution, by 100 order filter screen filtration, obtains painted black slurry;
2.2 adopt the method concentration of thermal oxidation color to be that the potassium sulfide aqueous solution of 20 grams/L makes background color on whole brass work surface from top to bottom on brass work surface, obtain the brass work of background color layer thickness about 15 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.3 gently, then rinse well with clear water, Heated Copper product surface, until 200 DEG C of temperature, then with watering can, the painted black slurry of above-mentioned 2.1 preparations is evenly sprayed on brass work surface, and with gas spray gun continuous heating brass work surface 2h, make its surface temperature maintain about 200 DEG C always, observe the change of brass work surface color, constantly repeat evenly to spray painted black slurry with watering can and operate 100 times, until there is pitch-dark heat-tinting layer in copper surface, then its surface is rinsed gently to remove the floating ash in surface with clear water.
3, Scagliola decorative pattern is painted
3.1 preparation green coloring slurry batchings: iron nitrate 8 grams, cupric nitrate 12 grams, Silver Nitrate 3 grams, cupric chloride 2 grams, titanium dioxide 6 grams, 12 grams, cobalt green pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 200 DEG C of temperature when, above-mentioned 3.1 green coloring slurries are dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 200 DEG C, puts swiped through journey in picturesque disorder, forms staggered green decorative pattern gradually;
3.3 yellow coloring slurry batchings: iron nitrate 8 grams, cupric nitrate 12 grams, Silver Nitrate 3 grams, cupric chloride 5 grams, titanium dioxide 6 grams, 13 grams, titanium nickel yellow pottery muffle painting powder, 1 liter, water;
3.4 with gas spray gun reheat copper piece surface reach 200 DEG C of temperature when, above-mentioned yellow coloring slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 200 DEG C, puts swiped through journey in picturesque disorder, forms staggered yellow decorative pattern gradually.
By tinting steps above, copper artware horse goods of furniture for display rather than for use surface defines green decorative pattern and the interlaced similar marmorean decorative pattern of yellow decorative pattern gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, until copper piece surface be cooled to completely after normal temperature with varnish spraying carry out surface-closed.
Embodiment 3:
1, copper artware surface preparation
1.1 make copper artware ox goods of furniture for display rather than for use by product design requirement;
Hundred clean, copper artware ox goods of furniture for display rather than for use plastics and copper brush are carried out surface finish and clean by 1.2 product surface pre-treatment, clean totally, rinse well with clear water.
2, copper artware ox goods of furniture for display rather than for use surface black background color
The painted black slurry of 2.1 preparation: ferric oxide red powder 4 grams, ferric oxide bloom 4 grams, phthalocyanine blue 1.2 grams, dispersion agent polyoxyethylene glycol 0.2 gram, 1 liter, water, grinding distribution, by 200 order filter screen filtration, obtains painted black slurry;
2.2 copper artware ox goods of furniture for display rather than for use copper blackening agent for surface blackouts make background color, obtain the brass work that background color layer thickness is about 15 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.3 gently, then rinse well with clear water, Heated Copper product surface, until 130 DEG C of temperature, then with hairbrush by above-mentioned 2.1 preparation the brushings of painted black slurry dissolution homogeneity brass work surface, and with gas spray gun continuous heating brass work surface 2h, make its surface temperature maintain about 130 DEG C always, observe the change of brass work surface color.Constantly repeat by the painted black slurry solution-operated of hairbrush brushing 80 times, until pitch-dark heat-tinting layer appears in copper surface, then rinse its surface gently to remove the floating ash in surface with clear water.
3, Scagliola decorative pattern is painted
The red colored slurry batching of 3.1 preparation: iron nitrate 9 grams, cupric nitrate 14 grams, Silver Nitrate 3 grams, cupric chloride 2.5 grams, titanium dioxide 5 grams, 15 grams, cadmium red pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 160 DEG C of temperature when, above-mentioned red colored slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 160 DEG C, puts swiped through journey in picturesque disorder, forms staggered red decorative pattern gradually.
3.3 preparation yellow coloring slurry batchings: iron nitrate 9 grams, cupric nitrate 14 grams, Silver Nitrate 3 grams, cupric chloride 3 grams, titanium dioxide 5 grams, 15 grams, lemon yellow pottery muffle painting powder, 1 liter, water;
3.4 with gas spray gun reheat copper piece surface reach 160 DEG C of temperature when, above-mentioned yellow coloring slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 160 DEG C, puts swiped through journey in picturesque disorder, forms staggered yellow decorative pattern gradually.
The blue-colored slurry batching of 3.5 preparation: iron nitrate 9 grams, cupric nitrate 14 grams, Silver Nitrate 3 grams, cupric chloride 5 grams, titanium dioxide 5 grams, 15 grams, cobalt chrome blue pottery muffle painting powder, 1 liter, water;
3.6 with gas spray gun reheat copper piece surface reach 160 DEG C of temperature when, above-mentioned blue-colored slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 160 DEG C, puts swiped through journey in picturesque disorder, forms staggered blue decorative pattern gradually.
By tinting steps above, copper artware ox goods of furniture for display rather than for use surface defines the interlaced similar marmorean decorative pattern of red decorative pattern, yellow decorative pattern and blueness gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, close with varnish spraying behind copper piece surface thoroughly cooling.
Embodiment 4:
1, copper artware surface preparation
1.1 make copper incense burner by product design requirement
1.2 product surface pre-treatment, copper incense burner is put into sandblast machine adopt 200 object glass fine sands carry out surface sand-blasting clean and tidy clean after, rinse well with clear water; Carry out surface finish with clean of plastics hundred and copper brush again to clean, clean totally, rinse well with clear water.
2, copper incense burner surface background color
2.1 adopt the method concentration of thermal oxidation color to be that the potassium sulfide aqueous solution of 5 grams/L makes background color on whole brass work surface from top to bottom on brass work surface, obtain the brass work that background color layer thickness is 5 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.2 gently, then rinse well with clear water, Heated Copper product surface, until reach 180 DEG C of temperature, then evenly brush on brass work surface with the iron nitrate aqueous solution that concentration is 20 grams/L by hairbrush, and with gas spray gun continuous heating brass work surface 1.5h, make its surface temperature maintain about 180 DEG C always, observe the change of brass work surface color; Repeat above-mentioned hairbrush brushing iron nitrate aqueous solution and operate 60 times, until uniform heat-tinting layer appears in copper surface, then rinse its surface gently with clear water floating grey to remove surface.
3, Scagliola decorative pattern is painted
The blue-colored slurry batching of 3.1 preparation: iron nitrate 2 grams, cupric nitrate 5 grams, Silver Nitrate 5 grams, cupric chloride 5 grams, titanium dioxide 10 grams, 10 grams, cobalt blue pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 120 DEG C of temperature when, the blue-colored slurry of above-mentioned steps 3.1 is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 120 DEG C, puts swiped through journey in picturesque disorder, forms staggered blue decorative pattern gradually.
By tinting steps above, it is the interlaced similar marmorean decorative pattern of cologne earth look and blue decorative pattern that copper incense burner surface defines background color gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, at 120 DEG C, close copper piece with paraffin brushing, until copper piece surface temperature be thoroughly down to after normal temperature with clean soft cloth wiping to light.
Embodiment 5:
1, copper artware surface preparation
1.1 make copper artware pig goods of furniture for display rather than for use by product design requirement;
Hundred clean, copper artware pig goods of furniture for display rather than for use plastics and copper brush are carried out surface finish and clean by 1.2 product surface pre-treatment, clean totally, rinse well with clear water.
2, copper artware pig goods of furniture for display rather than for use surface black background color
The painted black slurry of 2.1 preparation: ferric oxide red powder 3 grams, ferric oxide bloom 3 grams, phthalocyanine blue 2 grams, dispersion agent polyoxyethylene glycol 0.2 gram, 1 liter, water, grinding distribution, by 150 order filter screen filtration, obtains painted black slurry;
2.2 copper artware pig goods of furniture for display rather than for use copper blackening agent for surface blackouts make background color, obtain the brass work that background color layer thickness is 8 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.3 gently, then rinse well with clear water, Heated Copper product surface, until 140 DEG C of temperature, then with hairbrush by above-mentioned 2.1 preparation the brushings of painted black slurry dissolution homogeneity brass work surface, and with gas spray gun continuous heating brass work surface 1h, make its surface temperature maintain about 140 DEG C always, observe the change of brass work surface color.Constantly repeat the painted black slurry solution-operated of above-mentioned hairbrush brushing 70 times, until pitch-dark heat-tinting layer appears in copper surface, then rinse its surface gently to remove the floating ash in surface with clear water.
3, Scagliola decorative pattern is painted
The red colored slurry batching of 3.1 preparation: iron nitrate 5 grams, cupric nitrate 20 grams, Silver Nitrate 2 grams, cupric chloride 3 grams, titanium dioxide 10 grams, 20 grams, cadmium red pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 200 DEG C of temperature when, above-mentioned red colored slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 200 DEG C, puts swiped through journey in picturesque disorder, forms staggered red decorative pattern gradually.
3.3 preparation green coloring slurry batchings: iron nitrate 5 grams, cupric nitrate 20 grams, Silver Nitrate 2 grams, cupric chloride 2 grams, titanium dioxide 10 grams, 20 grams, cobalt green pottery muffle painting powder, 1 liter, water;
3.4 with gas spray gun reheat copper piece surface reach 200 DEG C of temperature when, above-mentioned green coloring slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 200 DEG C, puts swiped through journey in picturesque disorder, forms staggered green decorative pattern gradually.
The blue-colored slurry batching of 3.5 preparation: iron nitrate 5 grams, cupric nitrate 20 grams, Silver Nitrate 2 grams, cupric chloride 2 grams, titanium dioxide 10 grams, 20 grams, cobalt chrome blue pottery muffle painting powder, 1 liter, water;
3.6 with gas spray gun reheat copper piece surface reach 200 DEG C of temperature when, above-mentioned blue-colored slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 200 DEG C, puts swiped through journey in picturesque disorder, forms staggered blue decorative pattern gradually.
By tinting steps above, copper artware pig goods of furniture for display rather than for use surface defines the interlaced similar marmorean decorative pattern of red decorative pattern, green decorative pattern and blueness gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, close with varnish spraying behind copper piece surface thoroughly cooling.
Embodiment 6:
1, copper artware surface preparation
1.1 make copper artware sheep goods of furniture for display rather than for use by product design requirement
1.2 product surface pre-treatment, copper artware sheep goods of furniture for display rather than for use is put into sandblast machine adopt 150 object glass fine sands carry out surface sand-blasting clean and tidy clean after, rinse well with clear water.
2, copper artware sheep goods of furniture for display rather than for use surface black background color
The painted black slurry of 2.1 preparation: ferric oxide red powder 5 grams, ferric oxide bloom 5 grams, phthalocyanine blue 1.5 grams, dispersion agent polyoxyethylene glycol 0.5 gram, 1 liter, water, grinding distribution, by 120 order filter screen filtration, obtains painted black slurry;
2.2 adopt the method concentration of thermal oxidation color to be that the potassium sulfide aqueous solution of 15 grams/L makes background color on whole brass work surface from top to bottom on brass work surface, obtain the brass work that background color layer thickness is 15 μm;
Above-mentioned clean of the brass work plastics hundred finishing background color are wiped surperficial floating ash and surface color layer by 2.3 gently, then rinse well with clear water, Heated Copper product surface, until 180 DEG C of temperature, then with watering can, the painted black slurry of above-mentioned 2.1 preparations is evenly sprayed on brass work surface, and with gas spray gun continuous heating brass work surface 2h, make its surface temperature maintain about 180 DEG C always, observe the change of brass work surface color; Constantly repeat above-mentioned watering can and spray painted black slurry operating process 100 times, until pitch-dark heat-tinting layer appears in copper surface, then rinse its surface gently to remove the floating ash in surface with clear water.
3, Scagliola decorative pattern is painted
3.1 preparation green coloring slurry batchings: iron nitrate 8 grams, cupric nitrate 12 grams, Silver Nitrate 3 grams, cupric chloride 2.5 grams, titanium dioxide 6 grams, 12 grams, Victoria Green WPB pottery muffle painting powder, 1 liter, water;
3.2 with gas spray gun heating copper piece surface reach 120 DEG C of temperature when, above-mentioned 3.1 green coloring slurries are dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 120 DEG C, puts swiped through journey in picturesque disorder, forms staggered green decorative pattern gradually;
3.3 yellow coloring slurry batchings: iron nitrate 8 grams, cupric nitrate 12 grams, Silver Nitrate 3 grams, cupric chloride 2 grams, titanium dioxide 6 grams, 13 grams, titanium nickel yellow pottery muffle painting powder, 1 liter, water;
3.4 with gas spray gun reheat copper piece surface reach 120 DEG C of temperature when, above-mentioned yellow coloring slurry is dipped at copper artware surface point brush with writing brush, this process copper piece surface temperature will remain on 120 DEG C, puts swiped through journey in picturesque disorder, forms staggered yellow decorative pattern gradually.
By tinting steps above, copper artware sheep goods of furniture for display rather than for use surface defines green decorative pattern and the interlaced similar marmorean decorative pattern of yellow decorative pattern gradually, dips clear water cleaned out by the floating ash on surface after whole structure is satisfied with hairbrush.
4, painted aftertreatment
Painted complete after, until copper piece surface be cooled to completely after normal temperature with varnish spraying carry out surface-closed.
In above-described embodiment, copper blackening agent for surface used is bought from Shanghai Lang Feng metal finishing Materials Co., Ltd; The molecular weight of polyoxyethylene glycol is 3000 ~ 10000; The particle diameter of ferric oxide red powder, ferric oxide bloom, phthalocyanine blue is less than 20 μm.
Claims (10)
1. a brass work surface heat colouring process, is characterized in that the method comprises the following steps:
Step (1), brass work surface preparation:
Surface finish is carried out to brass work, makes its any surface finish, then rinse well with clear water;
Step (2), brass work surface background color:
2.1 background color tinting material carried out evenly coating from top to bottom in step (1) pretreated brass work surface painted, obtains the brass work that background color layer thickness is 5 ~ 15 μm;
2.2 brass works above-mentioned steps 2.1 being finished background color wipe floating ash and the surface color layer on surface, rinse well with clear water, then Heated Copper product surface is until temperature reaches 120 ~ 200 DEG C, with watering can or hairbrush, painted black slurry or iron nitrate mill base dissolution homogeneity spray or brush on brass work surface, and with gas spray gun continuous heating brass work surface 1 ~ 2h, its surface temperature is made to remain on 120 ~ 200 DEG C, till uniform black oxidation pigmented layer appears in brass work surface; Finally rinse its surface to remove the floating ash in surface with clear water;
In heat-processed, painted black slurry or iron nitrate evenly spray or the brushing on brass work surface 40 ~ 100 times repeatedly of mill base solution with watering can or hairbrush;
Step (3), marbling are painted:
The water mixing that the ceramic muffle painting powder that the titanium dioxide that the cupric chloride that the Silver Nitrate that 3.1 cupric nitrates that be iron nitrate, the parts by weight of 2 ~ 10 parts by parts by weight are 5 ~ 20 parts, parts by weight are 2 ~ 5 parts, parts by weight are 2 ~ 5 parts, parts by weight are 5 ~ 10 parts, parts by weight are 10 ~ 20 parts, parts by weight are 1000 parts, obtains chemical pigmenting liquid;
3.2 is surperficial until reach 120 ~ 200 DEG C of temperature with the brass work after gas spray gun heating steps 2.2 process, and the chemical pigmenting liquid writing brush random point then above-mentioned steps 3.1 prepared dips on brass work surface, forms the decorative pattern of marbling shape gradually; Finally dip clear water with hairbrush the floating ash on surface is cleaned out;
Step (4), painted aftertreatment:
Painted complete after, carry out surface-closed with paraffin or varnish.
2. a kind of brass work surface heat colouring process as claimed in claim 1, it is characterized in that the surface finish method described in step (1) is cleaned by sandblasting, or clean brass work surface with clean of plastics hundred and copper brush, or combination polishing, until surface is clean and tidy clean;
Described combination polishing refers to that utilize sandblasting to clean alternately carries out surface finish to brass work with clean of plastics hundred and copper brush are clean simultaneously.
3. a kind of brass work surface heat colouring process as claimed in claim 1, it is characterized in that the background color tinting material described in step (2) is copper blackening agent for surface, or concentration is the potassium sulfide aqueous solution of 5 ~ 20 grams/L.
4. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that the preparation method of the painted black slurry described in step (2) is:
Be the ferric oxide red powder of 3 ~ 5 parts by parts by weight, the water mixing that is 1000 parts of the parts by weight ferric oxide bloom that is 3 ~ 5 parts, the parts by weight phthalocyanine blue that is 1 ~ 2 part, the parts by weight dispersion agent polyoxyethylene glycol that is 0.2 ~ 0.5 part, parts by weight, grinding distribution, obtains painted black slurry by 100 ~ 200 object filter screen filtration.
5. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that the molecular weight of the polyoxyethylene glycol described in step (2) is 3000 ~ 10000.
6. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that the particle diameter of the ferric oxide red powder described in step (2), ferric oxide bloom, phthalocyanine blue is less than 20 μm.
7. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that the iron nitrate aqueous solution that mill base is concentration 8 ~ 20 grams/L by the iron nitrate described in step (2).
8. a kind of brass work surface heat colouring process as claimed in claim 1, it is characterized in that the paraffin surface described in step (4) is closed adopts the brass work after step 3.2 being processed to carry out external coating below 80 ~ 120 DEG C, needs with soft cloth wiping to light after then cooling the temperature to normal temperature.
9. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that the varnish surface-closed described in step (4) adopts varnish to carry out surface-closed after adopting the brass work after step 3.2 being processed to be cooled to normal temperature.
10. a kind of brass work surface heat colouring process as claimed in claim 1, is characterized in that to dip in different colours chemical pigmenting liquid and different decorative pattern at same brass work surface point in step 3.2.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105537513A (en) * | 2015-12-15 | 2016-05-04 | 铜陵铜官府文化创意股份公司 | Manufacturing method for copper handicraft |
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| CN105537513A (en) * | 2015-12-15 | 2016-05-04 | 铜陵铜官府文化创意股份公司 | Manufacturing method for copper handicraft |
| CN105887073A (en) * | 2016-04-29 | 2016-08-24 | 南京晨光艺术工程有限公司 | Coloring liquid for chemically coloring black on outer surface of copper product and coloring method thereof |
| CN105908175A (en) * | 2016-04-29 | 2016-08-31 | 南京晨光艺术工程有限公司 | Coloring liquid for chemically coloring outer surface of copper product with bronze and coloring method of coloring liquid |
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| CN109203815A (en) * | 2018-10-22 | 2019-01-15 | 瑞安市南方铜型材厂 | The method of one kind of multiple copper alloy solution casting production copper artwares |
| CN109576691B (en) * | 2019-01-17 | 2020-11-17 | 杭州朱炳仁文化艺术有限公司 | Method for processing coffee color on surface of copper artware |
| CN109576691A (en) * | 2019-01-17 | 2019-04-05 | 杭州朱炳仁文化艺术有限公司 | A kind of processing method of copper artware surface coffee color color |
| CN112778801A (en) * | 2019-11-07 | 2021-05-11 | 湖南观互文化艺术发展有限公司 | Surface Yan color coloring formula of copper tire handicraft and processing technology thereof |
| CN111286729A (en) * | 2020-03-09 | 2020-06-16 | 福建新峰科技有限公司 | High-precision and deep color changing process for copper product |
| CN111549336A (en) * | 2020-04-02 | 2020-08-18 | 福建捷思金属科技发展有限公司 | Pre-oxidation thermal coloring method for verdigris |
| CN111674195A (en) * | 2020-06-08 | 2020-09-18 | 杭州朱炳仁文化艺术有限公司 | Method for processing mottled colored texture on copper surface |
| CN111519175A (en) * | 2020-06-09 | 2020-08-11 | 杭州朱炳仁文化艺术有限公司 | Processing method of golden yellow oxide film on surface of brass product |
| CN113043780A (en) * | 2020-12-29 | 2021-06-29 | 哈尔滨师范大学 | Coloring process for sculpture works |
| CN114454659A (en) * | 2022-02-11 | 2022-05-10 | 山西宇达青铜文化艺术股份有限公司 | Process method for making multiple marble effects on surface of bronze artwork |
| CN115674944A (en) * | 2022-10-25 | 2023-02-03 | 福建捷思金属科技发展有限公司 | Cold coloring process for stone-like black irregular stripes on surface of copper product |
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