CN109675777A - A kind of plating spraying process of rose golden - Google Patents
A kind of plating spraying process of rose golden Download PDFInfo
- Publication number
- CN109675777A CN109675777A CN201910003425.0A CN201910003425A CN109675777A CN 109675777 A CN109675777 A CN 109675777A CN 201910003425 A CN201910003425 A CN 201910003425A CN 109675777 A CN109675777 A CN 109675777A
- Authority
- CN
- China
- Prior art keywords
- electroplating
- rose gold
- color according
- time
- rose
- Prior art date
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- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000005507 spraying Methods 0.000 title claims abstract description 35
- 238000007747 plating Methods 0.000 title abstract description 31
- 241000220317 Rosa Species 0.000 title abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 46
- 238000009713 electroplating Methods 0.000 claims description 36
- 239000010939 rose gold Substances 0.000 claims description 32
- 229910001112 rose gold Inorganic materials 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 9
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- -1 2-methoxymethyl ethyl Chemical group 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 2
- 235000011089 carbon dioxide Nutrition 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims 3
- 230000008020 evaporation Effects 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 2
- 239000008096 xylene Substances 0.000 claims 2
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 239000002991 molded plastic Substances 0.000 claims 1
- 238000007592 spray painting technique Methods 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 19
- 229920003023 plastic Polymers 0.000 description 19
- 230000037452 priming Effects 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 238000005367 electrostatic precipitation Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 3
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000013268 sustained release Methods 0.000 description 3
- 239000012730 sustained-release form Substances 0.000 description 3
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 2
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- LTOATULEBMBWSO-UHFFFAOYSA-N acetic acid;2-ethoxyethanol Chemical class CC(O)=O.CCOCCO LTOATULEBMBWSO-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/061—Special surface effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of plating spraying process of rose golden, realize the compatible cooperation of plating and spray painting, the product appearance after processing not only has strong metal-like, but also color can diversification.Finishing coat after plating has excellent performance, and stability is strong.Meanwhile process of the invention, rejection rate is low, good in economic efficiency.
Description
Technical field
The present invention relates to surface treatment methods, and in particular to a kind of plating spraying process of rose golden.
Background technique
Automobile, as a part of people's daily life, with increasingly progressing greatly for life, cognition and need of the people to automobile
It asks and is also constantly occurring change, and color, it is often that consumer to be pursued unique and individual character embodiment again.Rose gold,
Lovely luster, tone is soft, has fabulous decorative effect, is that fashion personage extremely chases after high style.
Automotive upholstery product all only has common plastic cement, plating and several processing technologys of spray painting, product appearance all the time
Color is relatively simple, and common plastic parts appearance can only show the color of plastics itself, although available rich by addition toner
Rich appearance color, but it is difficult the metallic surface effect for having strong；And electroplating technology enables that workpiece surface is allowed to reach complete gold
Belong to effect, but workpiece surface can only also be made to show the color (generally mute chromium) of metal itself, cannot reach both had outside metal
See the effect of various colors again；Directly spray painting be can by added in coating metal powder and mill base come or it is colourful
Metal effect, but because lacquer spraying technique prevents the arrangement of metal powder in coating to cause product surface metal sense not strong from consistent.
There is more improvement for the processing technology of automobile decoration piece in the prior art.For example, by using plasma spraying,
Tradition plating is replaced in CN102140624A " imitation electroplating processing method of exterior trimming parts for automobile " in the way of magnetron sputtering depositing coating,
Make automobile exterior trimming parts surface with metallic luster and there is good corrosion resistance, but the technics comparing is complicated, technique item
Part is stringent, and required equipment essence is expensive.Also have through the traditional electroplating technique of multiple coating substitution, however the work that the technique is prepared
Part appearance metal sense is not strong.
Therefore, metal sense existing for the colouring processing technology for traditional rose golden is poor, tone is single, stability is poor
The problem of, the plating spraying process for developing a kind of rose golden is necessary.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of plating spraying process of rose golden.
The technical solution used in the present invention is:
A kind of plating spraying process of rose golden, comprising the following steps:
S1: next plastic workpiece progress will be molded by according to the process of sour copper, semi-gloss nickel, pearl nickel, microporous nickel and light chromium
Electroplating processes are carried out, plated item is obtained；
S2: plated item is subjected to cleaning treatment；
S3: in workpiece surface spraying transparent priming, carrying out the flash distillation of priming paint, toasts, cooling, and clean process processing obtains
To the workpiece with transparent priming；
S4: in the workpiece surface spraying rose gold finishing coat with transparent priming, carrying out the flash distillation of finishing coat, toasts, cooling.
The further improvement of plating spraying process as a kind of above-mentioned rose golden, the control of electroplating processes each process in S1
Condition processed are as follows:
1) sour copper: current density is 4~6ASD, and electroplating time is 23~27min；
2) semi-gloss nickel: current density is 1~3ASD, and electroplating time is 14~18min；
3) pearl nickel: current density is 3~5ASD, and electroplating time is 7~9min；
4) microporous nickel: current density is 0.5~2.5ASD, and electroplating time is 1.5~2.5min；
5) light chromium: current density is 16~17ASD, and electroplating time is 3.5~4.5min.
As a kind of above-mentioned further improvement of the plating spraying process of rose golden, the method for cleaning treatment is dry in S2
Ice cleaning treatment and electrostatic precipitation processes.
As a kind of above-mentioned further improvement of the plating spraying process of rose golden, the flash temperature of priming paint is 20 in S3
~30 DEG C, flash-off time is 16~20min.
As a kind of above-mentioned further improvement of the plating spraying process of rose golden, the baking temperature of priming paint is 80 in S3
~85 DEG C, baking time is 30~35min.
As a kind of above-mentioned further improvement of the plating spraying process of rose golden, the flash temperature of finishing coat is 25 in S4
~35 DEG C, flash-off time is 14~18min；Baking temperature is 80~85 DEG C, and baking time is 30~35min.
The further improvement of plating spraying process as a kind of above-mentioned rose golden, rose gold finishing coat at sub-prime in S4
Amount proportion is host agent: sustained release agent: curing agent=4:1:1.5.
Wherein, host agent comprises the following raw materials by weight percent: acrylic resin 30~35%, toluene 44~45%,
Ethyl acetate 5~10%, solvent 10~20%；Diluent comprises the following raw materials by weight percent: n-butyl acetate 20~
25%, ethyl cellosolve acetate 20~25%, methyl iso-butyl ketone (MIBK) 20~25%, dimethylbenzene 10~15%, ethyl solvent 10
~15%；Curing agent comprises the following raw materials by weight percent: poly- diisocyanate 15~20%, toluene 35~40%, second
Acetoacetic ester 35~40%, dimethylbenzene 1~5%, 2- methoxy ethyl ester 1~5%.
The beneficial effects of the present invention are:
The plating spraying process of rose golden of the invention realizes the compatible cooperation of plating and spray painting, the production after processing
Product appearance not only has strong metal-like, but also color can diversification.Finishing coat after plating has excellent performance, stablizes
Property is strong.Meanwhile process of the invention, rejection rate is low, good in economic efficiency.
Detailed description of the invention
Fig. 1 is the workpiece effect picture using rose gold oil spout technique after the plating of the application.
Specific embodiment
The present invention is described further combined with specific embodiments below:
Embodiment 1
In the embodiment of the present invention, a kind of plating spraying process of rose golden, including the following steps:
S1: next plastic workpiece progress will be molded by according to the process of sour copper, semi-gloss nickel, pearl nickel, microporous nickel and light chromium
Electroplating processes are carried out, plated item, the control condition of each process are obtained are as follows:
1) sour copper (main agents are copper sulphate, sulfuric acid): current density 5ASD, electroplating time 25min；
2) semi-gloss nickel (main agents are nickel sulfate, nickel chloride, boric acid): current density 2ASD, electroplating time are
16min；
3) pearl nickel (main agents are nickel sulfate, nickel chloride, boric acid): current density 4ASD, electroplating time 8min；
4) microporous nickel (main agents are nickel sulfate, nickel chloride, boric acid): current density 1.5ASD, electroplating time are
2min；
5) light chromium (main agents are chromic anhydride): current density 16.7ASD, electroplating time 4min；
S2: plated item is preheated on fixtures for painting, carries out dry ice cleaning treatment and electrostatic precipitation processes；
S3: spraying transparent priming on clean plated item surface, carry out the flash distillation of priming paint, toast, cooling, clean work
Sequence processing, obtains the workpiece with transparent priming, wherein flash temperature is 26 DEG C, and flash-off time is 18min, and baking temperature is
83 DEG C, baking time 33min, cooling temperature be 30 DEG C, cooling time 13min, cleaning mode be electrostatic precipitation clean,；
S4: in the workpiece surface spraying rose gold finishing coat with transparent priming, carrying out the flash distillation of finishing coat, toasts, cooling,
In, flash temperature is 27 DEG C, flash-off time 17min, and baking temperature is 83 DEG C, baking time 32min, cooling temperature 30
DEG C, cooling time 20min.The composition quality proportion of rose gold finishing coat is host agent: sustained release agent: curing agent=4:1:1.5,
In, host agent comprises the following raw materials by weight percent: acrylic resin 32.6%, toluene 44.4%, ethyl acetate 8%, nothing
Water-ethanol is as solvent 15%；Diluent comprises the following raw materials by weight percent: n-butyl acetate 25%, ethylene glycol ethyl ether
Acetic acid esters 24%, methyl iso-butyl ketone (MIBK) 24%, dimethylbenzene 13%, ethyl solvent (being selected as ethyl cellulose) 14%；Curing agent
Comprise the following raw materials by weight percent: poly- diisocyanate 18%, toluene 37%, ethyl acetate 38%, dimethylbenzene 3%,
2- methoxy ethyl ester 4%.
In electroplating processes, the process for influencing the most critical of oil spout rose gold color plating is pearl nickel.In pearl nickel electricity
In depositing process, the plating solution composition and its additive amount selected be 0.6% pearl nickel P1,1.5% pearl nickel P2 and 0.019%
Pearl nickel AF-6.Plating solution is purchased from Atotech (ATOTECH) Chemical Co., Ltd..
In spray treatment, it is roasting that the mode of the mode or thermal spraying be electrostatically sprayed carries out 2 paintings 2, i.e., priming paint, baking,
Finishing coat, baking.Uniform thickness is sprayed in plastic cement region, forms protective coating.In the present embodiment, priming paint uses viscosity for 8.5S
(applying -4 glasss of standards), the coating for being filtered into 400 mesh is sprayed with oiliness curing agent with the paint that the ratio of 40:1 is formed
It applies, the thickness that coating is 11 ± 3 μm；Finishing coat uses viscosity for 13.5S (applying -4 glasss of standards), is filtered into the coating of 350 mesh, with oil
Property curing agent be mixed to form paint and sprayed, the thickness that coating is 30 ± 5 μm.
Through the above steps, required product, i.e., the plastic workpiece after plating of the invention after rose gold oil spout are obtained.Workpiece
Effect picture is as shown in Figure 1.The plastic workpiece known to range estimation has high metallic texture and has rose gold color.
Comparative example 1
The present embodiment is only with Shooting Technique same as Example 1, injection molding resin material and processing step and reality
It is identical to apply example 1.
The plastic workpiece that the present embodiment obtains only has plastic workpiece performance itself, and color is single, and appearance is without metal-like.
Comparative example 2
The present embodiment is only with Shooting Technique and spraying process same as Example 1.Injection molding resin material and work
Skill step is same as Example 1, will be molded by the plastic workpiece come and sprays according to the process of S2, S3, S4, the painting of spraying
Layer material is same as Example 1 with processing step.
The plastic workpiece that the present embodiment obtains only has plastic workpiece performance itself, though color can be diversified, appearance is without metal
Texture.
Comparative example 3
The present embodiment is only with Shooting Technique and electroplating technology same as Example 1.Injection molding resin material and work
Skill step is same as Example 1, will be molded by the plastic workpiece come and is electroplated according to the process of S1, the plating material of plating
It is same as Example 1 with processing step.
The plastic workpiece band metal-like that the present embodiment obtains, but color is single.
Comparative example 4
Compared with Example 1, difference is only that the present embodiment, the composition quality proportion of rose gold finishing coat in the present embodiment
For host agent: sustained release agent: curing agent=6:1:1.
The rose gold finishing coat that the present embodiment obtains is more sticky, and the plastic workpiece obtained through the same terms carries out finishing coat survey
Examination, test condition are as follows: gauze, 70 DEG C × 2h, loading 500gf (diameter 40mm).As a result it is unqualified, show the proportion
Resistance to difference non-stick after the electroplated spraying process of finishing coat.
Comparative example 5
Compared with Example 1, difference is only that the present embodiment, the diluent composition of rose gold finishing coat in the present embodiment
Are as follows: n-butyl acetate 17%, ethyl cellosolve acetate 24%, methyl iso-butyl ketone (MIBK) 24%, dimethylbenzene 25%, ethyl cellulose
10%.
The plastic workpiece obtained to the rose gold finishing coat that the present embodiment obtains through the same terms carries out the resistance to survey non-stick of finishing coat
Examination, test condition are as follows: gauze, 70 DEG C × 2h, loading 500gf (diameter 40mm).As a result unqualified.Resistance to vapour is carried out to it
Oiliness test, test condition are as follows: Regular gasoline (No. 87 gasoline) 20 DEG C × 30min impregnates.As a result unqualified.
Comparative example 6
Compared with Example 1, difference is only that the present embodiment, the diluent composition of rose gold finishing coat in the present embodiment
Are as follows: ethyl acetate 25%, butyl glycol ether 24%, methyl iso-butyl ketone (MIBK) 24%, dimethylbenzene 13%, dehydrated alcohol 14%.
The plastic workpiece obtained to the rose gold finishing coat that the present embodiment obtains through the same terms carries out the resistance to survey non-stick of finishing coat
Examination, test condition are as follows: gauze, 70 DEG C × 2h, loading 500gf (diameter 40mm).As a result unqualified.Resistance to vapour is carried out to it
Oiliness test, test condition are as follows: Regular gasoline (No. 87 gasoline) 20 DEG C × 30min impregnates.As a result unqualified.
Embodiment 2
Using the workpiece finishing coat performance test of the plating spraying process of rose golden:
Finishing coat performance test is carried out to the plastic workpiece that embodiment 1 obtains, the results are shown in Table 1.
Rose gold finishing coat the performance test results made from rose gold oil spout after table 1, plating
As test result as it can be seen that workpiece finishing coat made from the plating spraying process of rose golden used in embodiment 1 is with excellent
Good performance, stability are good.
To those skilled in the art, present invention is obviously not limited to the details of above-mentioned exemplary embodiment.It is not carrying on the back
In the case where spirit or essential attributes of the invention, those skilled in the art can realize this hair in other specific forms
It is bright.But it should be noted that enumerating for above embodiments is to allow those skilled in the art that institute of the present invention is more clearly understood
Technical solution is stated, protection scope of the presently claimed invention is not construed as limiting.
Claims (10)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774271A (en) * | 2020-07-10 | 2020-10-16 | 埃维尔汽车部件(苏州)有限公司 | Multicolor electroplating and spraying process |
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