CN108031637A - The metallization process of plastic parts with five gold nanos injection art designing line effect - Google Patents
The metallization process of plastic parts with five gold nanos injection art designing line effect Download PDFInfo
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- CN108031637A CN108031637A CN201711449639.8A CN201711449639A CN108031637A CN 108031637 A CN108031637 A CN 108031637A CN 201711449639 A CN201711449639 A CN 201711449639A CN 108031637 A CN108031637 A CN 108031637A
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- paint
- anodic oxidation
- enamelled coating
- plastic parts
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- 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
- B05D5/067—Metallic effect
- B05D5/068—Metallic effect achieved by multilayers
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- 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
-
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention relates to a kind of metallization process for the plastic parts that there are five gold nanos to be molded art designing line effect, comprise the following steps：Step 1：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, obtains prime coat；Step 2：Protective paint is sprayed to the surface of prime coat, is dried, forms protective paint layer；Step 3：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, forms imitative anodic oxidation enamelled coating；Step 4：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, forms front cover enamelled coating.Make outer shell of mobile communication terminal that there is good metal-like effect, and the adhesive force between each coating and plastic rubber substrate is good, is not easy to wipe flower and comes off；The problem of in addition, using nonmetallic materials as base material, without carrying out the surface treatment steps such as T processing, nanometer injection, polishing, sandblasting, simplifying processing technology, shorten the production cycle, and then improve production efficiency, and reducing the waste of metal material and excessively use.
Description
Technical field
The present invention relates to the process of surface treatment field of plastic cement device, and art designing line is molded more particularly to five gold nanos
The metallization process of the plastic parts of effect.
Background technology
The metallization process method of electronic product casing with metal sense, such as phone housing mainly uses metal material
It is processed and forms, its processing technology mainly there are two kinds：
The first：Metal material is taken, die cast-CNC hole slots processing-T processing (heat treatment)-once clean-is received
Rice injection-polishing-secondary cleaning-sandblasting-time anodic oxidation-CNC (bloom)-two-step anodization；
Second：Take metal aluminium, the cleaning-nanometer injection of aluminium segmentation-CNC hole slots processing-T processing-once-
A polishing-secondary cleaning-sandblasting-time anodic oxidation-CNC (bloom)-two-step anodization.
Above-mentioned processing technology is complicated, production cycle length, and the material based on metal material, causes metal material wave
Take and excessively use problem.
The content of the invention
Based on this, the present invention provides a kind of metallization process of the plastic parts with five gold nanos injection art designing line effect,
It simplifies the processing technology of plastic parts metallization using nonmetallic materials as base material, shortens the production cycle, reduces metal material
The use of material.
A kind of metallization process for the plastic parts that there are five gold nanos to be molded art designing line effect, comprises the following steps：
Step 1：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, obtains prime coat；
Step 2：Protective paint is sprayed to the surface of prime coat, is dried, forms protective paint layer；
Step 3：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, forms imitative anodic oxidation enamelled coating；
Step 4：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, forms front cover enamelled coating.
The metallization process of the above-mentioned plastic parts with five gold nanos injection art designing line effect makes plastic parts with five Jenners
Rice injection art designing line effect, metal-like is good, and the adhesive force between each coating and plastic rubber substrate is good, is not easy to wipe colored and de-
Fall；In addition, using nonmetallic materials as base material, without carrying out the surface treatment steps such as T processing, nanometer injection, polishing, sandblasting, letter
Processing technology is changed, has shortened the production cycle, and then improved production efficiency, and reduced the waste of metal material and excessively make
The problem of using.
In one of the embodiments, step 5 is further included after step 4, step 5 is：Carved by the shape of predetermined pattern
Remove part front cover enamelled coating and imitative anodic oxidation enamelled coating.
In one of the embodiments, the baking temperature of drying bottom paint is 60~65 DEG C, and baking time is 12~15min.
In one of the embodiments, the baking temperature of drying bottom paint is 50~55 DEG C, and baking time is 3~5min.
In one of the embodiments, the baking temperature for drying imitative anodic oxidation paint is 75~80 DEG C, baking time for 8~
12min。
In one of the embodiments, the baking temperature for drying front cover paint is 50-55 DEG C, baking time 5-8min.
In one of the embodiments, the thickness of prime coat is 8~12 μm.
In one of the embodiments, the thickness of protective paint layer is 18~25 μm.
In one of the embodiments, the thickness for imitating anodic oxidation enamelled coating is 5~10 μm.
In one of the embodiments, the thickness of front cover enamelled coating is 12~18 μm.
Embodiment
For the ease of understanding the present invention, the present invention will be described more fully below.But the present invention can be with perhaps
More different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make
Understanding more thorough and comprehensive to the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The present invention provides a kind of metallization process of the plastic parts with five gold nanos injection art designing line effect, with plastic cement material
Expect that alternative metals material as base material, metallization process phone housing or mobile phone battery cover or other plastic parts, works well.
The metallization process of the plastic parts that there are five gold nanos to be molded art designing line effect comprises the following steps：
Step 1：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, obtains prime coat.
Plastic rubber substrate can be selected such as PC (Polycarbonate, makrolon) material, PC and GF (Glass Fiber, glass
Fiber) the plastic material such as mixing material as base material.
Priming paint selects acrylic resin paint, is UV priming paint, main component is methacrylic resin, for covering and modifying
Plastic rubber substrate.
Further, the thickness of prime coat elects 8~12 μm as, this thickness is mainly used in by the mixed of PC materials or PC and GF
Base material made of condensation material.When the thickness of prime coat is less than 8 μm, it is unstable to cover force difference, easy texture, coating patience；It is higher than
At 12 μm, coating can dry very slow, increase baking time, low production efficiency；So when the thickness of prime coat is 8~12 μm, effect
Fruit is more excellent.
The baking temperature T of drying bottom paintPriming paintElect 60~65 DEG C as, more excellent baking time is 12~15min.TPriming paintLess than 60 DEG C
When, drying rate is very slow, or even priming paint can not be completed to cure；TPriming paintDuring more than 65 DEG C, after drying, prime coat can become fragile, and have cracking
Phenomenon, influences adhesion effect.
Step 2：Protective paint is sprayed to the surface of prime coat, is dried, forms protective paint layer.
Protective paint selects gloss oil, and main component is polyurethane acrylate resin and difunctionality base acrylate monomer or three
The mixture of functional group's acrylate monomer, mainly for the protection of next layer of sprayed coating of prime coat and transition, and in needs
When, after engraving, bright layer is shown as, outer shell of mobile communication terminal is possessed bright sense.
More preferably, the mass ratio of polyurethane acrylate resin and difunctionality base acrylate monomer is 3~5:1；Poly- ammonia
The mass ratio 3~7 of ester acrylate and trifunctional base acrylate monomer:1.The levelability of polyurethane acrylate resin
Good, difunctionality base acrylate monomer and the adhesive force of trifunctional base acrylate monomer are good, polyurethane acrylate resin and
The mixing of difunctionality base acrylate monomer or trifunctional base acrylate monomer make protective paint have good levelability with it is attached
Effect, protective paint is uniformly bedded in the surface of prime coat, and adhesion is good, if follow-up presumable pattern or word
The step of engraving, have good resistance to engraving, will not because of engraving peeling and cracking.
The thickness of protective paint layer elects 18~25 μm as, this thickness minimum value is mainly corresponding with the demand of engraving step, works as guarantor
When the thickness of vernix layer is less than 18 μm, when engraving, easily blisters, and at this time, protective effect is not had to prime coat, and influence overall
Performance；Thickness be higher than 25 μm when can long-pending oil it is bad, under the influence of a coating attachment.
Further, the baking temperature T of protective paint is driedProtectionElect 50~55 DEG C as, more excellent baking time is 3~5min.
TProtectionDuring less than 50 DEG C, drying rate is very slow, or even protective paint can not be completed to cure, and can not accept the sprayed coating of subsequent step；
TProtectionDuring higher than 55 DEG C, after drying, protective paint layer can become fragile, and have cracking phenomena, influence adhesion effect.
Step 3：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, forms imitative anodic oxidation enamelled coating.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
Acid resin, to strengthen the metal sense of outer shell of mobile communication terminal.Preferably, the mass ratio of vinyl and Hydroxylated acrylic resin
For 30~55:2.
The thickness of imitative anodic oxidation enamelled coating is 5~10 μm.Covering force difference when the thickness of imitative anodic oxidation enamelled coating be less than 5um,
Reveal the exact details, color can be partially shallow；When product is needed through imitative anodic oxidation enamelled coating depiction, the thickness for imitating anodic oxidation enamelled coating is high
It is unfavorable for carving in 10 μm.Therefore, adhesive force and metal-like effect are taken into account, the thickness of imitative anodic oxidation enamelled coating is preferably 5~
10μm。
Further, the baking temperature T of imitative anodic oxidation paint is driedAnodeFor 75~80 DEG C, more excellent baking time for 8~
12min。TAnodeDuring less than 75 DEG C, drying rate is slower, and the solidification effect of imitative anodic oxidation paint is bad；TAnodeDuring higher than 80 DEG C,
Imitative anodic oxidation enamelled coating has cracking phenomena appearance, if subsequently there is engraving, imitative anodic oxidation enamelled coating may burst apart, and cause product
Scrap.
Step 4：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, forms front cover enamelled coating.
Dull finishing coat or finish coat varnish can be selected in front cover paint, and the mobile communication that reconciled while protecting imitative anodic oxidation enamelled coating is whole
The light sensation of end housing.More preferably, the main component of front cover paint is poly- propylhomoserin acrylate, poly- propylhomoserin acrylate envelope
Finishing coat high abrasion, makes the metal-like of outer shell of mobile communication terminal can keep for a long time, and in engraving, poly- propylhomoserin acrylate tree
The performance that the front cover enamelled coating performance of fat is easily carved, strengthens product plasticity.
Further, the thickness of front cover enamelled coating is 12~18 μm, when thickness is less than 12 μm, wearability deficiency, and mobile communication
Easily wiped and spent in the surface of terminal enclosure；When thickness is more than 18 μm, the cure shrinkage of front cover paint is larger, influences imitative anodic oxidation enamelled coating
Adhesive force, be unfavorable for follow-up engraving.
The baking temperature for drying front cover paint is 50-55 DEG C, and more excellent baking time is 5-8min.In some embodiments, front cover
Paint after drying, will also pass through UV lamp irradiation and carry out UV curings, make front cover enamelled coating deep cure, further to consolidate front cover paint
Adhesion.Preferably, the UV solidification energies of UV lamp irradiation are 800-1000mj/cm2。
In some embodiments, outer shell of mobile communication terminal has pattern or bright border, then further includes step 5 after step 4,
Step 5 is：Part front cover enamelled coating and imitative anodic oxidation enamelled coating are removed by the shape engraving of predetermined pattern, exposes protective paint layer or guarantor
Vernix layer and prime coat, show as the pattern or bright border of outer shell of mobile communication terminal.
The present invention has the metallization process of the plastic parts of five gold nanos injection art designing line effect, using nonmetallic materials as base
Material, without carrying out the surface treatment steps such as T processing, nanometer injection, polishing, sandblasting, outer shell of mobile communication terminal can also have good
Good five gold nanos injection art designing line effect, metal-like is good, and the adhesive force between each coating and plastic rubber substrate is good, is not easy to wipe
Spend and come off, simplify processing technology, shorten the production cycle, and then improve production efficiency, and reduce metal material
The problem of wasting and excessively using.
It is embodiment explanation below.
Embodiment 1
The metallization process of the plastic parts with five gold nanos injection art designing line effect of the present embodiment is applied to process black
The mobile phone battery cover of color, plastic rubber substrate are made of PC materials.The plastic parts that there are five gold nanos to be molded art designing line effect
Metallization process comprises the following steps：
Step 1：Allocate priming paint, protective paint, imitative anodic oxidation paint and front cover paint.
Priming paint selects acrylic resin paint, and main component is methacrylic resin, and priming paint is Qiang grey, by 5% black
The blue purple mill base of mill base+1.5% of mill base+3% is composed.
Protective paint selects gloss oil, and main component is the mixed of polyurethane acrylate resin and difunctionality base acrylate monomer
The mass ratio of compound, polyurethane acrylate resin and difunctionality base acrylate monomer is 3:1.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
The mass ratio of acid resin, vinyl and Hydroxylated acrylic resin is 40:2.Imitative anodic oxidation paint is black, by 10% black color
Slurry plus 5% silver powder are composed.
Dull finishing coat can be selected in front cover paint, and the main component of front cover paint is poly- propylhomoserin acrylate.
Step 2：A PC material substrates are taken, in PC material substrate surface spraying priming paint, drying, baking temperature TPriming paintElect 60 as
DEG C, baking time 12min, obtains prime coat, the thickness of prime coat, is 8 μm.
Step 3：Protective paint is sprayed to the surface of prime coat, is dried, baking temperature TProtection50 DEG C are elected as, during more excellent baking
Between be 3min, form protective paint layer, the thickness of protective paint layer elects 18 μm as.
Step 4：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, baking temperature TAnodeFor 75 DEG C, baking
Time is 8min, forms imitative anodic oxidation enamelled coating, and the thickness for imitating anodic oxidation enamelled coating is 8 μm.
Step 5：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, baking temperature is 50 DEG C, baking time
For 5min, UV curings are carried out by UV lamp irradiation again after baking, UV solidification energies are 800mj/cm2, form front cover enamelled coating, front cover
The thickness of enamelled coating is 16 μm.
Step 6：Part front cover enamelled coating and imitative anodic oxidation enamelled coating are removed by the shape engraving of predetermined pattern, exposes protective paint
Layer or protective paint layer and prime coat, show as the pattern of mobile phone battery cover, the mobile phone battery cover after being metallized.
Embodiment 2
The metallization process of the plastic parts with five gold nanos injection art designing line effect of the present embodiment is applied to processing gold
The mobile phone battery cover of color, plastic rubber substrate are made of PC materials.The plastic parts that there are five gold nanos to be molded art designing line effect
Metallization process comprises the following steps：
Step 1：Allocate priming paint, protective paint, imitative anodic oxidation paint and front cover paint.
Priming paint selects acrylic resin paint, and main component is methacrylic resin, and priming paint is gold, by 2% orange color
+ 5% silver powder of slurry is composed.
Protective paint selects gloss oil, and main component is the mixed of polyurethane acrylate resin and difunctionality base acrylate monomer
The mass ratio of compound, polyurethane acrylate resin and difunctionality base acrylate monomer is 5:1.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
The mass ratio of acid resin, vinyl and Hydroxylated acrylic resin is 30:2.Imitative anodic oxidation paint is gold, orange by 1.8%
The silver powder of mill base+3% forms.
Dull finishing coat can be selected in front cover paint, and the main component of front cover paint is poly- propylhomoserin acrylate.
Step 2：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, baking temperature TPriming paintElect 63 DEG C as, dry
The roasting time is 14min, obtains prime coat, and the thickness of prime coat elects 10 μm as.
Step 3：Protective paint is sprayed to the surface of prime coat, is dried, dries the baking temperature T of protective paintProtectionElect 53 as
DEG C, baking time 4min forms protective paint layer, and the thickness of protective paint layer elects 25 μm as.
Step 4：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, dries the baking of imitative anodic oxidation paint
Temperature TAnodeFor 78 DEG C, baking time 10min, imitative anodic oxidation enamelled coating is formed, the thickness for imitating anodic oxidation enamelled coating is 10 μm.
Step 5：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, baking temperature is 53 DEG C, more excellent baking
Time is 7min, forms front cover enamelled coating, the thickness of front cover enamelled coating is 18 μm.
Step 6：Part front cover enamelled coating and imitative anodic oxidation enamelled coating are removed by the shape engraving of predetermined pattern, exposes protective paint
Layer or protective paint layer and prime coat, show as the pattern of mobile phone battery cover, the figuratum battery of mobile phone of tool after being metallized
Lid.
Embodiment 3
It is blue that the metallization process of the plastic parts with five gold nanos injection art designing line effect of the present embodiment is applied to processing
The mobile phone battery cover of color, plastic rubber substrate are made of the mixing material of PC and GF, and GF accounts for the 10% of mixing material quality.
The metallization process of the plastic parts that there are five gold nanos to be molded art designing line effect comprises the following steps：
Step 1：Allocate priming paint, protective paint, imitative anodic oxidation paint and front cover paint.
Priming paint selects acrylic resin paint, and main component is methacrylic resin, and priming paint is blueness, by 2% blue color
Slurry plus 5% silver powder are composed.
Protective paint selects gloss oil, and main component is the mixed of polyurethane acrylate resin and trifunctional base acrylate monomer
Compound, the mass ratio 5 of polyurethane acrylate resin and trifunctional base acrylate monomer:1.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
The mass ratio of acid resin, vinyl and Hydroxylated acrylic resin is 50:2.
Front cover paint selects dull finishing coat, and the main component of front cover paint is poly- propylhomoserin acrylate.
Step 2：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, baking temperature TPriming paintElect 65 DEG C as, compared with
Excellent baking time is 15min, obtains prime coat, and the thickness of prime coat elects 12 μm as.
Step 3：Protective paint is sprayed to the surface of prime coat, is dried, dries the baking temperature T of protective paintProtectionElect 55 as
DEG C, more excellent baking time is 5min, forms protective paint layer, and the thickness of protective paint layer elects 20 μm as.
Step 4：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, baking temperature TAnodeIt is more excellent for 80 DEG C
Baking time is 12min, forms imitative anodic oxidation enamelled coating, and the thickness for imitating anodic oxidation enamelled coating is 8 μm.
Step 5：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, baking temperature is 55 DEG C, more excellent baking
Time is 8min, forms front cover enamelled coating, the thickness of front cover enamelled coating is 13 μm.
Step 6：Part front cover enamelled coating and imitative anodic oxidation enamelled coating are removed by the shape engraving of predetermined pattern, exposes protective paint
Layer or protective paint layer and prime coat, show as the bright border of mobile phone battery cover, the figuratum mobile phone battery cover of tool after being metallized.
Embodiment 4
The metallization process of the plastic parts with five gold nanos injection art designing line effect of the present embodiment is applied to processing gold
The mobile phone battery cover of color, plastic rubber substrate are made of the mixing material of PC and GF, and GF accounts for the 10% of mixing material quality.
The metallization process of the plastic parts that there are five gold nanos to be molded art designing line effect comprises the following steps：
Step 1：Allocate priming paint, protective paint, imitative anodic oxidation paint and front cover paint.
Priming paint selects acrylic resin paint, and main component is methacrylic resin, and priming paint is gold, by 2% orange color
+ 5% silver powder of slurry is composed.
Protective paint selects gloss oil, and main component is the mixed of polyurethane acrylate resin and trifunctional base acrylate monomer
Compound, the mass ratio 3.5 of polyurethane acrylate resin and trifunctional base acrylate monomer:1.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
The mass ratio of acid resin, vinyl and Hydroxylated acrylic resin is 35:2.Imitative anodic oxidation paint is gold, orange by 1.8%
The silver powder of mill base+3% forms.
Front cover paint selects dull finishing coat, and the main component of front cover paint is poly- propylhomoserin acrylate.
Step 2：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, baking temperature TPriming paintElect 62 DEG C as, dry
The roasting time is 13min, obtains prime coat, and the thickness of prime coat elects 11 μm as.
Step 3：Protective paint is sprayed to the surface of prime coat, is dried, baking temperature TProtectionElect 54 DEG C as, baking time is
3min, forms protective paint layer, and the thickness of protective paint layer elects 25 μm as.
Step 4：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, baking temperature TAnodeFor 76 DEG C, baking
Time is 9min, forms imitative anodic oxidation enamelled coating, and the thickness for imitating anodic oxidation enamelled coating is 5 μm.
Step 5：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, baking temperature is 52 DEG C, more excellent baking
Time is 6min, carries out UV curings by UV lamp irradiation again after baking, UV solidification energies are 900mj/cm2, front cover enamelled coating is formed,
The thickness of front cover enamelled coating is 12 μm.
Step 6：Part front cover enamelled coating and imitative anodic oxidation enamelled coating are removed by the shape engraving of predetermined pattern, exposes protective paint
Layer or protective paint layer and prime coat, show as the bright border of mobile phone battery cover, the battery of mobile phone with bright border after being metallized
Lid.
Embodiment 5
It is blue that the metallization process of the plastic parts with five gold nanos injection art designing line effect of the present embodiment is applied to processing
The mobile phone battery cover of color, plastic rubber substrate are made of PC materials.
The metallization process of the plastic parts that there are five gold nanos to be molded art designing line effect comprises the following steps：
Step 1：Allocate priming paint, protective paint, imitative anodic oxidation paint and front cover paint.
Priming paint selects acrylic resin paint, and main component is methacrylic resin, and priming paint is blueness, by 2% blue color
Slurry plus 5% silver powder are composed.
Protective paint selects gloss oil, and main component is the mixed of polyurethane acrylate resin and trifunctional base acrylate monomer
Compound, the mass ratio 3 of polyurethane acrylate resin and trifunctional base acrylate monomer:1.
Imitative anodic oxidation paint selects two part heat cured imitative anodic oxidation paint, and main component is vinyl and hydroxy
The mass ratio of acid resin, vinyl and Hydroxylated acrylic resin is 55:2.
Front cover paint selects dull finishing coat, and the main component of front cover paint is poly- propylhomoserin acrylate.
Step 2：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, baking temperature TPriming paintElect 64 DEG C as, dry
The roasting time is 12min, obtains prime coat, and the thickness of prime coat elects 9 μm as.
Step 3：Protective paint is sprayed to the surface of prime coat, is dried, baking temperature TProtection52 DEG C are elected as, during more excellent baking
Between be 5min, form protective paint layer, the thickness of protective paint layer elects 23 μm as.
Step 4：Imitative anodic oxidation paint is sprayed to the surface of protective paint layer, is dried, baking temperature TAnodeIt is more excellent for 77 DEG C
Baking time is 8min, forms imitative anodic oxidation enamelled coating, and the thickness for imitating anodic oxidation enamelled coating is 7 μm.
Step 5：Front cover paint is sprayed to the surface of imitative anodic oxidation enamelled coating, is dried, baking temperature is 50-55 DEG C, baking
Time is 5-8min, after baking, is irradiated by UV lamp and carries out UV curings, UV solidification energies are 1000mj/cm2, form front cover paint
Layer, the thickness of front cover enamelled coating is 15 μm.Mobile phone battery cover after being metallized.
Finished product made from the processing of Example 1 to 5 carries out vibrations wear-resisting test, boiling test and adhesive force test.
After shaking wear-resisting test, the pattern of the finished product of embodiment 1 to 5 there are no abrasion and fade, and pattern is still complete and clear
It is clear to recognize.
After boiling test, each coating of the finished product of embodiment 1 to 5 there are no corrugation, come off, wherein, embodiment 1 and 3 has
Very small amount bubble, embodiment 2,4,5 there are no bubble.
After adhesive force test, the cut edge of the finished surface of embodiment 1 to 5 is completely smooth, none comes off, and illustrates each painting
The adhesion effect of layer is very good.
The present invention has the metallization process of the plastic parts of five gold nanos injection art designing line effect, using nonmetallic materials as base
Material, simplifies processing technology, shortens the production cycle, improves production efficiency, and outer shell of mobile communication terminal has well
Metal-like effect, the adhesive force between each coating and plastic rubber substrate is good, is not easy to wipe flower and comes off, reduces the wave of metal material
The problem of taking and excessively using.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of metallization process for the plastic parts that there are five gold nanos to be molded art designing line effect, it is characterised in that including following
Step：
Step 1：A plastic rubber substrate is taken, in plastic rubber substrate surface spraying priming paint, drying, obtains prime coat；
Step 2：Protective paint is sprayed to the surface of the prime coat, is dried, forms protective paint layer；
Step 3：Imitative anodic oxidation paint is sprayed to the surface of the protective paint layer, is dried, forms imitative anodic oxidation enamelled coating；
Step 4：Front cover paint is sprayed to the surface of the imitative anodic oxidation enamelled coating, is dried, forms front cover enamelled coating.
2. the metallization process of the plastic parts according to claim 1 that there are five gold nanos to be molded art designing line effect, it is special
Sign is, further includes step 5 after the step 4, the step 5 is：As described in the shape engraving of predetermined pattern removes part
Front cover enamelled coating and imitative anodic oxidation enamelled coating.
3. the metallization process of the plastic parts according to claim 1 that there are five gold nanos to be molded art designing line effect, it is special
Sign is that the baking temperature for drying the priming paint is 60~65 DEG C, and baking time is 12~15min.
4. the metallization process of the plastic parts according to claim 1 that there are five gold nanos to be molded art designing line effect, it is special
Sign is that the baking temperature for drying the priming paint is 50~55 DEG C, and baking time is 3~5min.
5. the metallization process of the plastic parts according to claim 1 that there are five gold nanos to be molded art designing line effect, it is special
Sign is that the baking temperature for drying the imitative anodic oxidation paint is 75~80 DEG C, and baking time is 8~12min.
6. the metallization process of the plastic parts according to claim 1 that there are five gold nanos to be molded art designing line effect, it is special
Sign is that the baking temperature for drying the front cover paint is 50-55 DEG C, baking time 5-8min.
7. the metallization of the plastic parts according to any one of claims 1 to 6 that there are five gold nanos to be molded art designing line effect
Technique, it is characterised in that the thickness of the prime coat is 8~12 μm.
8. the metallization of the plastic parts according to any one of claims 1 to 6 that there are five gold nanos to be molded art designing line effect
Technique, it is characterised in that the thickness of the protective paint layer is 18~25 μm.
9. the metallization of the plastic parts according to any one of claims 1 to 6 that there are five gold nanos to be molded art designing line effect
Technique, it is characterised in that the thickness of the imitative anodic oxidation enamelled coating is 5~10 μm.
10. the metallization of the plastic parts according to any one of claims 1 to 6 that there are five gold nanos to be molded art designing line effect
Technique, it is characterised in that the thickness of the front cover enamelled coating is 12~18 μm.
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| CN201711449639.8A CN108031637A (en) | 2017-12-27 | 2017-12-27 | The metallization process of plastic parts with five gold nanos injection art designing line effect |
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| CN201711449639.8A CN108031637A (en) | 2017-12-27 | 2017-12-27 | The metallization process of plastic parts with five gold nanos injection art designing line effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110201865A (en) * | 2019-06-13 | 2019-09-06 | 昆山金运新材料科技有限公司 | Paint the manufacture craft of the automotive upholstery of self-regeneration in surface |
| CN112040681A (en) * | 2019-06-04 | 2020-12-04 | Oppo广东移动通信有限公司 | Shell machining method, shell and electronic equipment |
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| CN107492305A (en) * | 2017-08-03 | 2017-12-19 | 广东以诺通讯有限公司 | The processing technology of nameplate and its obtained nameplate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040681A (en) * | 2019-06-04 | 2020-12-04 | Oppo广东移动通信有限公司 | Shell machining method, shell and electronic equipment |
| CN110201865A (en) * | 2019-06-13 | 2019-09-06 | 昆山金运新材料科技有限公司 | Paint the manufacture craft of the automotive upholstery of self-regeneration in surface |
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