CN103516843A - Surface processing method of mobile phone plastic appearance piece and mobile phone plastic appearance piece - Google Patents

Surface processing method of mobile phone plastic appearance piece and mobile phone plastic appearance piece Download PDF

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Publication number
CN103516843A
CN103516843A CN201310430426.6A CN201310430426A CN103516843A CN 103516843 A CN103516843 A CN 103516843A CN 201310430426 A CN201310430426 A CN 201310430426A CN 103516843 A CN103516843 A CN 103516843A
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China
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mobile phone
treatment
prime coat
enamelled coating
transparent
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CN201310430426.6A
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Chinese (zh)
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CN103516843B (en
Inventor
李晓明
丁文峰
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广东欧珀移动通信有限公司
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Abstract

The invention discloses a surface processing method of a mobile phone plastic appearance piece and the mobile phone plastic appearance piece. The method comprises the steps that plastic base materials are provided; a first base coating layer is formed on the surface of the plastic base materials; a color coating layer is formed on the surface of the first base coating layer. A transparent second base coating layer is formed on the surface of the color coating layer. A vacuum film coating layer is formed on the surface of the second base coating layer. A transparent first middle coating layer is formed on the surface of the vacuum film coating layer. Vacuum coated films on the zone where the color coating layer needs to be displayed on the vacuum film coating layer are removed through laser radium carving. A transparent second middle coating layer is formed on the surface of the first middle coating layer. A transparent UV face coating layer is formed on the surface of the second middle coating layer. The effect that different textures and colors are matched with vacuum plating colors, namely the effect that different textures and colors are matched with high brightness edges can be achieved, for example, a fake metal dull polishing and high brightness edge effect, a fake ceramic white and high brightness edge effect and the like, and the appearance visual effect can meet the individuation requirements of people.

Description

The surface treatment method of Mobile phone plastic appearance member and Mobile phone plastic appearance member
Technical field
The present invention relates to Mobile phone plastic appearance member technical field, more particularly, relate to a kind of surface treatment method and Mobile phone plastic appearance member of Mobile phone plastic appearance member.
Background technology
Along with the fast development of electronic product, as very general in the use of the portable electron devices such as mobile phone, MP3 player, personal digital assistant, notebook computer.Along with personalized trend; increasing portable electron device is in order to have preferably outward appearance and special feel; conventionally can on appearance member, adopt Vacuum Deposition PROCESS FOR TREATMENT to become to there is the appearance of metal-like, or form some decorative patterns or lines in the above.
For example, Chinese invention patent prospectus CN101730409A discloses a kind of housing and manufacture method thereof, this housing comprises a plastic substrate, this housing also comprises a prime coat that is formed at this matrix surface, one has the vacuum coating of metal-like, one transparent middle enamelled coating and a transparent top coat layer, this prime coat is directly formed at this matrix surface, this vacuum coating is formed on this prime coat, on this vacuum coating, be formed with the pattern of hollow out, enamelled coating and being formed on this vacuum coating in this, this top coat layer is formed in this on enamelled coating, this top coat layer is that the rubberbase paint with flexible touch forms.This surface of shell has metal appearance, has again soft sense of touch.But the metal-like of this housing is too dull, and color is single, lacks color stereovision, and visual effect is not good.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, a kind of surface treatment method and Mobile phone plastic appearance member that can meet people's individual demand and embody the Mobile phone plastic appearance member of rich colors and texture effect is provided.
For achieving the above object, technical scheme provided by the invention is as follows:
A surface treatment method for Mobile phone plastic appearance member, it comprises the following steps:
(1) provide a plastic rubber substrate;
(2) on the surface of described plastic rubber substrate, form one first prime coat;
(3) on the surface of described the first prime coat, form enamelled coating of the same colour;
(4) on the surface of described colored paint layer, form a second transparent prime coat;
(5) on the surface of described the second prime coat, form a vacuum coating;
(6) enamelled coating in the surface of described vacuum coating forms transparent first;
(7) will on described vacuum coating, need the vacuum coating that shows described colored paint Ceng region to remove by laser radium carving;
(8) in described first, the surface of enamelled coating forms enamelled coating in transparent second;
(9) in described second, the surface of enamelled coating forms a transparent UV top coat layer.
The present invention also provides a kind of Mobile phone plastic appearance member, it comprises plastic rubber substrate, the surface of described plastic rubber substrate is outwards formed with enamelled coating and transparent UV top coat layer in enamelled coating in the first prime coat, colored paint layer, transparent the second prime coat, vacuum coating, transparent first, transparent second successively, needs to show that described colored paint Ceng region is formed with laser radium carving area gap on described vacuum coating.
Compared with prior art, beneficial effect of the present invention is:
The present invention forms enamelled coating of the same colour on the surface of the first prime coat, colored paint layer can embody rich colors and texture effect, by needing the vacuum coating that shows colored paint Ceng region on vacuum coating, by laser radium carving, remove, to demonstrate colored paint layer, can realize the effect of different quality colour match Vacuum Deposition colors, it is the effect on the high bright limit of different quality colour match, as: imitative metal sanding+high bright limit effect, imitate in vain ceramic+high bright limit effect etc., the present invention both can reduce costs, thereby the outward appearance visual effect that can reach again expection meets people's individual demand.
In addition; the first prime coat has the effect that hides plastic rubber substrate flaw and strengthen adhesive force; the second prime coat has the effect as vacuum coating carrier; in first, enamelled coating has the effect of protection vacuum coating; in second, enamelled coating has the effect that improves test performance, and UV top coat layer has the effect of its lower finishing coat of protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of Mobile phone plastic appearance member of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, there is shown a kind of Mobile phone plastic appearance member, it comprises plastic rubber substrate 1, the surface of plastic rubber substrate 1 is outwards formed with enamelled coating 7 and transparent UV top coat layer 8 in enamelled coating 6 in the first prime coat 2, colored paint layer 3, transparent the second prime coat 4, vacuum coating 5, transparent first, transparent second successively, needs the region that shows colored paint layer 3 to be formed with laser radium carving area gap 9 on vacuum coating 5.
Wherein, the first prime coat 2 has the effect that hides plastic rubber substrate 1 flaw and strengthen adhesive force; Colored paint layer 3 has rich colors and texture effect; The second prime coat has the effect as vacuum coating 5 carriers; Vacuum coating 5 has metal-like, can play high bright limit effect; In first, enamelled coating 6 has the effect of protection vacuum coating 5; In second, enamelled coating 7 has the effect that improves test performance; UV top coat layer 8 has the effect of its lower finishing coat of protection.
The surface treatment method that Mobile phone plastic appearance member is described in detail in detail below, it comprises the following steps:
(1) provide a plastic rubber substrate 1;
(2) on the surface of plastic rubber substrate 1, form one first prime coat 2;
In the present embodiment, the first prime coat 2 priming paint used is comprised of 10~20% alkyd resins, 30~40% acrylic resins, 15~25% epoxy resin, 10~20% phenetoles, 10~20% butanone.The first prime coat 2 has white effect.
Wherein, the viscosity of the priming paint of the first prime coat 2 is 8.5~9.5s(NK-2, second/25 ℃), the thickness of the first prime coat 2 is 3~5um, the membrance casting condition of the first prime coat 2 comprises that flow time is 4~6min, and baking temperature is 75~85 ℃, and baking time is 25~35min.
(3) on the surface of the first prime coat 2, form enamelled coating 3 of the same colour;
In the present embodiment, colored paint layer 3 can be provided with different colors and texture effect, as: imitative metal sanding effect and imitative ceramic white effect.
Having the colored paint layer 3 of imitative metal sanding effect colored paint used is comprised of 15~25% alkyd resins, 35~45% acrylic resins, 5~15% epoxy resin, 3~7% aluminum paste, 8~12% phenetoles, 10~20% butanone.The viscosity of colored paint with the colored paint layer 3 of imitative metal sanding effect is 8.5~9.5s(NK-2, second/25 ℃), the thickness of colored paint layer 3 is 4~8um, the membrance casting condition of colored paint layer 3 comprises that flow time is 4~6min, baking temperature is 75~85 ℃, and baking time is 10~15min.
Colored paint layer 3 colored paint used with imitative ceramic white effect is comprised of 15~25% alkyd resins, 30~40% acrylic resins, 5~15% epoxy resin, 12~18% titanium dioxides, 8~12% phenetoles, 5~15% butanone.The viscosity with the colored paint of the colored paint layer 3 of imitating ceramic white effect is 8.5~9.5s(NK-2, second/25 ℃), the thickness of colored paint layer 3 is 4~8um, the membrance casting condition of colored paint layer 3 comprises that flow time is 4~6min, baking temperature is 75~85 ℃, and baking time is 10~15min.
(4) on the surface of colored paint layer 3, form a second transparent prime coat 4;
In the present embodiment, the second prime coat 4 priming paint used is comprised of 15~25% propionic acid second fat, 65~75% polyurethane resin, 5~15% acrylic acid, priming paint water white transparency.
Wherein, the viscosity of the priming paint of the second prime coat 4 is 7.5~8.5s(NK-2, second/25 ℃), the thickness of the second prime coat 4 is 30~45um, the membrance casting condition of the second prime coat 4 comprises that flow time is 3~5min, baking temperature is 50~55 ℃, and baking time is 4~6min, and the curing emittance of UV is 700~800mj/cm 2.
(5) on the surface of the second prime coat 4, form a vacuum coating 5;
In the present embodiment, adopt resistance wire thermal evaporation vertical film plating machine to carry out vacuum coating, the Coating Materials of vacuum coating 5 is 99.99% indium, indium is silvery white slightly nattier blue metal, quality is very soft, the quality of indium used is 3.5~4.0g, and plated film vacuum degree during vacuum coating 5 plated film is 8*10 -1pa, the time of plated film is 8~10s.
(6) enamelled coating 6 in the surface of vacuum coating 5 forms transparent first;
In the present embodiment, the middle paint of enamelled coating 6 is comprised of 15~25% alkyd resins, 50~70% acrylic resins, 8~12% epoxy resin, 7~13% phenetoles in first, middle paint water white transparency.
Wherein, the viscosity of the middle paint of enamelled coating 6 is 8.5~9.5s(NK-2 in first, second/25 ℃), in first, the thickness of enamelled coating 6 is 8~12um, in first, the membrance casting condition of enamelled coating 6 comprises that flow time is 4~6min, and baking temperature is 75~85 ℃, and baking time is 10~15min.
(7) vacuum coating that needs to show the region of colored paint layer 3 on vacuum coating 5 is removed by laser radium carving;
In the present embodiment, the equipment of laser radium carving is big nation's laser radium carving machine, and the frequency of laser radium carving machine is 8000~20000, and be 55us launch time, and filling mode is that single line is filled, and spacing is 0.05mm, and sweep speed is 900~1000mm/s.
In radium when carving,, because enamelled coating 6 in first be water white transparency, laser beam directly sees through enamelled coating 6 in first and carries out laser radium carving at vacuum coating 5, forms laser radium and carve area gap 9 on vacuum coating 5.
The vacuum coating that need to show the region of colored paint layer 3 when colored paint layer 3 has imitative metal sanding effect, just can form and imitate metal sanding+high bright limit effect with the vacuum coating collocation in other regions that remain after removing; When colored paint layer 3 has imitative ceramic white effect, just can+high bright limit effect white with the imitative pottery of vacuum coating collocation formation in other regions that remain.
(8) in first, the surface of enamelled coating 6 forms enamelled coating 7 in transparent second;
In the present embodiment, the middle paint of enamelled coating 7 is comprised of 15~25% acid fat, 65~75% polyurethane resin, 5~15% acrylic acid in second, middle paint water white transparency.
Wherein, in second, the viscosity of the middle paint of enamelled coating 7 is 7.5~8.5s(NK-2, second/25 ℃), in second, the thickness of enamelled coating 7 is 8~15um, in second, the membrance casting condition of enamelled coating 7 comprises that flow time is 3~5min, baking temperature is 50~55 ℃, and baking time is 4~6min, and the curing emittance of UV is 500~600mj/cm 2.
(9) in second, the surface of enamelled coating 7 forms a transparent UV top coat layer 8.
In the present embodiment, the finish paint of UV top coat layer 8 is comprised of 20~30% ethyl butyrate, 55~70% polyurethane resin, 10~20% acrylic acid, middle paint water white transparency.
Wherein, the viscosity of the finish paint of UV top coat layer 8 is 7.5~8.5s(NK-2, second/25 ℃), the thickness of UV top coat layer 8 is 30~45um, the membrance casting condition of UV top coat layer 8 comprises that flow time is 3~5min, baking temperature is 50~55 ℃, and baking time is 4~6min, and the curing emittance of UV is 800~1200mj/cm 2.
In sum, the present invention forms enamelled coating of the same colour on the surface of the first prime coat, colored paint layer can embody rich colors and texture effect, by needing the vacuum coating that shows colored paint Ceng region on vacuum coating, by laser radium carving, remove, to demonstrate colored paint layer, can realize the effect of different quality colour match Vacuum Deposition colors, it is the effect on the high bright limit of different quality colour match, as: imitative metal sanding+high bright limit effect, imitate in vain ceramic+high bright limit effect etc., the present invention both can reduce costs, thereby the outward appearance visual effect that can reach again expection meets people's individual demand.
Above-described embodiment is preferably execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.

Claims (16)

1. a surface treatment method for Mobile phone plastic appearance member, is characterized in that, comprises the following steps:
(1) provide a plastic rubber substrate;
(2) on the surface of described plastic rubber substrate, form one first prime coat;
(3) on the surface of described the first prime coat, form enamelled coating of the same colour;
(4) on the surface of described colored paint layer, form a second transparent prime coat;
(5) on the surface of described the second prime coat, form a vacuum coating;
(6) enamelled coating in the surface of described vacuum coating forms transparent first;
(7) will on described vacuum coating, need the vacuum coating that shows described colored paint Ceng region to remove by laser radium carving;
(8) in described first, the surface of enamelled coating forms enamelled coating in transparent second;
(9) in described second, the surface of enamelled coating forms a transparent UV top coat layer.
2. the surface treatment method of Mobile phone plastic appearance member according to claim 1, it is characterized in that, the priming paint of described the first prime coat is comprised of 10~20% alkyd resins, 30~40% acrylic resins, 15~25% epoxy resin, 10~20% phenetoles, 10~20% butanone.
3. the surface treatment method of Mobile phone plastic appearance member according to claim 1 and 2, it is characterized in that, the viscosity of the priming paint of described the first prime coat is 8.5~9.5s(NK-2, second/25 ℃), the thickness of described the first prime coat is 3~5um, the membrance casting condition of described the first prime coat comprises that flow time is 4~6min, and baking temperature is 75~85 ℃, and baking time is 25~35min.
4. the surface treatment method of Mobile phone plastic appearance member according to claim 1, it is characterized in that, the colored paint of described colored paint layer is comprised of 15~25% alkyd resins, 35~45% acrylic resins, 5~15% epoxy resin, 3~7% aluminum paste, 8~12% phenetoles, 10~20% butanone.
5. the surface treatment method of Mobile phone plastic appearance member according to claim 1, it is characterized in that, the colored paint of described colored paint layer is comprised of 15~25% alkyd resins, 30~40% acrylic resins, 5~15% epoxy resin, 12~18% titanium dioxides, 8~12% phenetoles, 5~15% butanone.
6. according to the surface treatment method of the Mobile phone plastic appearance member described in claim 1 or 4 or 5, it is characterized in that, the viscosity of the colored paint of described colored paint layer is 8.5~9.5s(NK-2, second/25 ℃), the thickness of described colored paint layer is 4~8um, the membrance casting condition of described colored paint layer comprises that flow time is 4~6min, and baking temperature is 75~85 ℃, and baking time is 10~15min.
7. the surface treatment method of Mobile phone plastic appearance member according to claim 1, is characterized in that, the priming paint of described the second prime coat is comprised of 15~25% propionic acid second fat, 65~75% polyurethane resin, 5~15% acrylic acid.
8. according to the surface treatment method of the Mobile phone plastic appearance member described in claim 1 or 7, it is characterized in that, the viscosity of the priming paint of described the second prime coat is 7.5~8.5s(NK-2, second/25 ℃), the thickness of described the second prime coat is 30~45um, and the membrance casting condition of described the second prime coat comprises that flow time is 3~5min, and baking temperature is 50~55 ℃, baking time is 4~6min, and the curing emittance of UV is 700~800mj/cm 2.
9. the surface treatment method of Mobile phone plastic appearance member according to claim 1, is characterized in that, the Coating Materials of described vacuum coating is 99.99% indium, and quality is 3.5~4.0g, and plated film vacuum degree during described vacuum coating plated film is 8*10 -1pa, the time of plated film is 8~10s.
10. the surface treatment method of Mobile phone plastic appearance member according to claim 1, is characterized in that, the middle paint of enamelled coating is comprised of 15~25% alkyd resins, 50~70% acrylic resins, 8~12% epoxy resin, 7~13% phenetoles in described first.
11. according to the surface treatment method of the Mobile phone plastic appearance member described in claim 1 or 10, it is characterized in that, in described first, the viscosity of the middle paint of enamelled coating is 8.5~9.5s(NK-2, second/25 ℃), in described first, the thickness of enamelled coating is 8~12um, in described first, the membrance casting condition of enamelled coating comprises that flow time is 4~6min, and baking temperature is 75~85 ℃, and baking time is 10~15min.
The surface treatment method of 12. Mobile phone plastic appearance members according to claim 1, is characterized in that, by 15~25% acid, fat, 65~75% polyurethane resin, 5~15% acrylic acid form the middle paint of enamelled coating in described second.
13. according to the surface treatment method of the Mobile phone plastic appearance member described in claim 1 or 12, it is characterized in that, in described second, the viscosity of the middle paint of enamelled coating is 7.5~8.5s(NK-2, second/25 ℃), in described second, the thickness of enamelled coating is 8~15um, and the membrance casting condition of enamelled coating comprises that flow time is 3~5min in described second, and baking temperature is 50~55 ℃, baking time is 4~6min, and the curing emittance of UV is 500~600mj/cm 2.
The surface treatment method of 14. Mobile phone plastic appearance members according to claim 1, is characterized in that, the finish paint of described UV top coat layer is comprised of 20~30% ethyl butyrate, 55~70% polyurethane resin, 10~20% acrylic acid.
15. according to the surface treatment method of the Mobile phone plastic appearance member described in claim 1 or 14, it is characterized in that, the viscosity of the finish paint of described UV top coat layer is 7.5~8.5s(NK-2, second/25 ℃), the thickness of described UV top coat layer is 30~45um, and the membrance casting condition of described UV top coat layer comprises that flow time is 3~5min, and baking temperature is 50~55 ℃, baking time is 4~6min, and the curing emittance of UV is 800~1200mj/cm 2.
16. 1 kinds of Mobile phone plastic appearance members, comprise plastic rubber substrate, it is characterized in that, the surface of described plastic rubber substrate is outwards formed with enamelled coating and transparent UV top coat layer in enamelled coating in the first prime coat, colored paint layer, transparent the second prime coat, vacuum coating, transparent first, transparent second successively, needs to show that described colored paint Ceng region is formed with laser radium carving area gap on described vacuum coating.
CN201310430426.6A 2013-09-18 2013-09-18 The surface treatment method of Mobile phone plastic appearance member and Mobile phone plastic appearance member CN103516843B (en)

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