CN110438479A - A kind of frosting vacuum coating method - Google Patents

A kind of frosting vacuum coating method Download PDF

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Publication number
CN110438479A
CN110438479A CN201810416315.2A CN201810416315A CN110438479A CN 110438479 A CN110438479 A CN 110438479A CN 201810416315 A CN201810416315 A CN 201810416315A CN 110438479 A CN110438479 A CN 110438479A
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China
Prior art keywords
follows
formula
process conditions
plating
temperature
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CN201810416315.2A
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Chinese (zh)
Inventor
褚祖春
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Xiamen Fu Da Lin Electronics Co Ltd
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Xiamen Fu Da Lin Electronics Co Ltd
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Priority to CN201810416315.2A priority Critical patent/CN110438479A/en
Publication of CN110438479A publication Critical patent/CN110438479A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073—Multistep pretreatment
    • C23C18/2086—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/22—Roughening, e.g. by etching
    • C23C18/24—Roughening, e.g. by etching using acid aqueous solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/38—Coating with copper
    • C23C18/40—Coating with copper using reducing agents
    • C23C18/405—Formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/38—Electroplating: Baths therefor from solutions of copper
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The present invention proposes frosting vacuum coating method, is related to technical field of vacuum plating, follows the steps below: step 1, destressing；Step 2, oil removing；Step 3, roughening；Step 4 vacuumizes；Step 5, oxidation；Step 6 neutralizes；Step 7, chemical plating；Step 8 plating.For the present invention directly in plastic surface plated film, the surface of plastic cement products reaches stronger metal-like, makes surface effect closer to metallochrome, and metallic film is uniform and adhesive force is good, enhances the wearability of product surface electroplated layer；Secondly, the metalwork for having plated metallic film is carried out anodized by the present invention, so that rich in color, the corrosion resistance and good after plated film oxidation, improves the integral strength of metalwork.

Description

A kind of frosting vacuum coating method
Technical field
The present invention relates to technical field of vacuum plating, especially a kind of frosting vacuum coating method.
Background technique
Metallization of plastic surface can be allowed to the advantages of having both metal and plastics, be greatly expanded the application neck of plastics Domain.Vacuum coating is to allow metal material under vacuum conditions, carries out organic conversion with limited means such as chemistry, physics, makes gold Category is converted into particle, deposits or is adsorbed on the surface of plastic material, form nonconducting plated film.Existing product surface plating metal Film has the following disadvantages: that before plating, product surface needs spray-applied primer, so that the defect of product surface is covered, but sprays After priming, the effect of product surface can be thicker, feels to have differences with actual metal, is not achieved on plastic rubber surface strong Metal-like.
Summary of the invention
The present invention provides a kind of frosting vacuum coating method, follows the steps below:
Step 1, destressing set part in an oven, and temperature is controlled at 60~80 DEG C, keep the temperature 4~8h, remove in it and answer Power；
Step 2, oil removing, formula and process conditions are as follows: NaOH 50g/L, Na2CO3 30g/L、Na3PO430g/L, dodecane Base benzene sulfonic acid sodium salt, temperature control is at 30~70 DEG C, 3~8min of time；
Step 3, roughening, formula and process conditions are as follows: H2SO4600mL/L；CrO320g/L；H2O400mL/L；Temperature control System is at 60~70 DEG C, the time: 5~15min；
Step 4 vacuumizes, and opens mechanical pump, carries out thick pumping processing, vacuum degree reaches 6.0 × 10- when vacuum plating room When 3Pa, end is vacuumized；
Step 5, oxidation, formula and process conditions are as follows: KMnO470g/L, KOH 10g/L, temperature control is at 80 DEG C, the time 10min；
Step 6 neutralizes, formula and process conditions are as follows: hydrazine hydrate 6ml/L, appropriate EDTA, pH=7 are controlled 55~60 DEG C, time 5min；
Step 7, chemical plating, formula and process conditions are as follows: CuSO4·H2O 10g/L, EDETATE DISODIUM 20g/L, methanol 40 ~80ml/L, 80~130mg/L of potassium ferrocyanide, formaldehyde 20ml/L, NaOH 5g/L, pH=11.5~12.5, temperature control exist 22~24 DEG C, 5~10min of reaction time；
Step 8, plating carry out electroplating bright copper, plating solution formula and process conditions to plastics are as follows: CuSO4·H2O 160 ~200g/L, HSO450~70ml/L, 30~40g/L of glucose, 20~30 DEG C of temperature.
A kind of frosting vacuum coating method provided by the invention, the beneficial effect is that: directly plated in plastic surface Film, the surface of plastic cement products reach stronger metal-like, make surface effect closer to metallochrome, metallic film uniformly and Adhesive force is good, enhances the wearability of product surface electroplated layer；Secondly, the metalwork for having plated metallic film is carried out sun by the present invention Pole oxidation processes, so that rich in color, the corrosion resistance and good after plated film oxidation, improves the integral strength of metalwork.
Specific embodiment
Those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.Now in conjunction with tool The present invention is further described for body embodiment.
Frosting vacuum coating method provided in this embodiment, follows the steps below:
Step 1, destressing have the part of internal stress that binding force of cladding material can be made poor, part are set in an oven, temperature control At 60~80 DEG C, 4~8h is kept the temperature, its internal stress is removed；
Step 2, oil removing, formula and process conditions are as follows: NaOH 50g/L, Na2CO3 30g/L、Na3PO430g/L, dodecane Base benzene sulfonic acid sodium salt, temperature control is at 30~70 DEG C, 3~8min of time；
Step 3, roughening, formula and process conditions are as follows: H2SO4600mL/L；CrO320g/L；H2O400mL/L；Temperature control System is at 60~70 DEG C, and the time: 5~15min makes frosting micro-rough by roughening, can also frosting be made to be become by hydrophobic To be hydrophilic, to improve frosting and plate the binding force of interlayer；
Step 4 vacuumizes, and opens mechanical pump, carries out thick pumping processing, vacuum degree reaches 6.0 × 10- when vacuum plating room When 3Pa, end is vacuumized；
Step 5, oxidation, formula and process conditions are as follows: KMnO470g/L, KOH 10g/L, temperature control is at 80 DEG C, the time 10min；
Step 6 neutralizes, formula and process conditions are as follows: hydrazine hydrate 6ml/L, appropriate EDTA, pH=7 are controlled 55~60 DEG C, time 5min；
Step 7 chemical plating, formula and process conditions are as follows: CuSO4·H2O 10g/L, EDETATE DISODIUM 20g/L, methanol 40~ 80ml/L, 80~130mg/L of potassium ferrocyanide, formaldehyde 20ml/L, NaOH 5g/L, pH=11.5~12.5, temperature are controlled 22 ~24 DEG C, 5~10min of reaction time, EDETATE DISODIUM and stabilizer potassium ferrocyanide is added and methanol is to improve plating solution Stability and obtain good coating；
Step 8 plating, after chemical plating, forms one layer of thin copper metal layer in frosting, the thickness of film is generally 0.05~0.8 μm, since this layer of metal film is very thin, the requirement for meeting properties of product is tended not to, therefore, by chemistry It after plating, also needs to thicken metal layer with electric plating method, electroplating bright copper, plating solution formula and process conditions is carried out to plastics are as follows: CuSO4·H2O 160~200g/L, HSO450~70ml/L, 30~40g/L of glucose, 20~30 DEG C of temperature, to thicken gold Belong to nickel layer, also enhances frosting glossiness.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right The present invention makes a variety of changes, and is protection scope of the present invention.

Claims (1)

1. a kind of frosting vacuum coating method, which is characterized in that follow the steps below:
Step 1, destressing set part in an oven, and temperature is controlled at 60~80 DEG C, keep the temperature 4~8h, remove its internal stress；
Step 2, oil removing, formula and process conditions are as follows: NaOH 50g/L, Na2CO3 30g/L、Na3PO430g/L, detergent alkylate Sodium sulfonate, temperature control is at 30~70 DEG C, 3~8min of time；
Step 3, roughening, formula and process conditions are as follows: H2SO4600mL/L；CrO320g/L；H2O 400mL/L；Temperature control exists 60~70 DEG C, the time: 5~15min；
Step 4 vacuumizes, and opens mechanical pump, carries out thick pumping processing, when vacuum plating room, vacuum degree reaches 6.0 × 10-3Pa, Vacuumize end；
Step 5, oxidation, formula and process conditions are as follows: KMnO470g/L, KOH 10g/L, temperature control is at 80 DEG C, the time 10min；
Step 6 neutralizes, formula and process conditions are as follows: and hydrazine hydrate 6ml/L, appropriate EDTA, pH=7 are controlled at 55~60 DEG C, when Between 5min；
Step 7, chemical plating, formula and process conditions are as follows: CuSO4·H2O 10g/L, EDETATE DISODIUM 20g/L, methanol 40~ 80ml/L, 80~130mg/L of potassium ferrocyanide, formaldehyde 20ml/L, NaOH 5g/L, pH=11.5~12.5, temperature are controlled 22 ~24 DEG C, 5~10min of reaction time；
Step 8, plating carry out electroplating bright copper, plating solution formula and process conditions to plastics are as follows: CuSO4·H2O 160~ 200g/L, HSO450~70ml/L, 30~40g/L of glucose, 20~30 DEG C of temperature.
CN201810416315.2A 2018-05-03 2018-05-03 A kind of frosting vacuum coating method Pending CN110438479A (en)

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CN201810416315.2A CN110438479A (en) 2018-05-03 2018-05-03 A kind of frosting vacuum coating method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115850859A (en) * 2022-12-16 2023-03-28 深圳市华鹰塑胶原料有限公司 Preparation process of flame-retardant plastic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115850859A (en) * 2022-12-16 2023-03-28 深圳市华鹰塑胶原料有限公司 Preparation process of flame-retardant plastic

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