CN202491490U - Anode-oxidized plastic part - Google Patents
Anode-oxidized plastic part Download PDFInfo
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- CN202491490U CN202491490U CN2012200605015U CN201220060501U CN202491490U CN 202491490 U CN202491490 U CN 202491490U CN 2012200605015 U CN2012200605015 U CN 2012200605015U CN 201220060501 U CN201220060501 U CN 201220060501U CN 202491490 U CN202491490 U CN 202491490U
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- metal film
- film layer
- anodic oxidation
- plastic
- rubber substrate
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Abstract
The utility model relates to an anode-oxidized plastic part, which comprises a plastic substrate, a first metal film layer, a second metal film layer and an anode-oxidized metal layer, wherein the first metal film layer is formed on the plastic substrate; the second metal film layer is covered on the first metal film layer in a hot spraying way; the anode-oxidized metal layer is formed on the second metal film layer through anode oxidization; and the film thickness of the second metal film layer is 100-200 mum. The anode-oxidized plastic part disclosed by the utility model has the advantages of low cost and high production efficiency.
Description
Technical field
The utility model relates to a kind of plastic parts, relates in particular to a kind of anodic oxidation plastic parts.
Background technology
Along with the use of plastic cement material on electronic product (like mobile phone, digital camera, notebook computer etc.) is more and more, the decorative Treatment surperficial for plastic shell also proposed more requirement, such as metallization texture.
Anodic oxidation is that product with metal or alloy is as anode; Adopt the method for electrolysis to make its surface form sull; Have hardness height, wearability, performance such as corrosion-resistant through the workpiece of anodized; And can be presented abundant color by dye coloring, thereby can significantly improve the outward appearance and the serviceability of workpiece through the workpiece of anodized.
But, because of plastic cement material can't directly carry out anodic oxidation, therefore; Plastic cement material of the prior art is if need metallization texture; Generally all be through obtaining such as methods such as vacuum pneumoelectric platings, but the plastic workpiece that obtains through vacuum plating with metal-like, and the metallization effect that obtains is metallic mirror surface or matt effect; Effect is very limited, can't present the abundant metal-like of color that anodic oxidation obtains.This makes plastic cement material use as decoration and receives very big restriction.
Prior art discloses a kind of plastic parts of surface with coloured titanium metal texture, and it comprises plastic rubber substrate, attached to the vacuum plating aluminium film on the plastic rubber substrate; And the anodic oxidation film layer that on vacuum plating aluminium film, forms; This plastic parts mainly through repeatedly at plastic shell surface vacuum Electroplating Aluminum film, makes the thickness of aluminium film reach 20-30um, and the plastic parts after handling metallized film then is as anode; After anodized, the anodic oxidation effect obtains metallizing again.But; Vacuum plating (PVD) the facture thicknesses of layers of metal-coated membrane each time is 40-50nm, and will carry out anodic oxidation, and the thicknesses of layers of said plastic cement metal-coated surface will reach 20-30um at least; And to reach so thick rete; Vacuum plating need through continuous coating stack, just can reach the coat of metal of 20um thickness in the surface plating of same plastic cement more than 400 times.Because the thickness of 20um can't hide the open defect of plastic cement, and vacuum plating processing meeting amplifies the defective of plastic cement itself, causes yield low.And repeatedly the cost of vacuum plating itself is higher, and production efficiency is low, does not possess the feasibility of volume production.
The utility model content
The problem that the utility model will solve is anodic oxidation plastic parts cost height of the prior art and the low technical problem of production efficiency, thereby the anodic oxidation metal piece that a kind of cost is low and production efficiency is high is provided.
The utility model provides a kind of anodic oxidation plastic parts; This anodic oxidation plastic parts comprises plastic rubber substrate; Be arranged on first metal film layer on the said plastic rubber substrate; Cover second metal film layer on said first metal film layer and be formed on the anodized metallization layer on said second metal film layer through anodic oxidation through thermal spraying, the thickness of said second metal film layer is 100-200um.
Further, said first metal film layer covers on the said plastic rubber substrate through vacuum plating.
Further, the thickness of said first metal film layer is 40-50nm.
Further, also comprise the UV prime coat, said UV prime coat is arranged between said plastic rubber substrate and said first metal film layer.
Further, the thickness of said UV prime coat is 5-10um.
Further, said first metal film layer covers on the said plastic rubber substrate through the water power plating.
Further, the thickness of said first metal film layer is 10-15um.
Further, the thicknesses of layers of said anodized metallization layer is 10-15um.
Further, the surface roughness of said second metal film layer is not more than Ra1.6.
Second metal film layer of the anodic oxidation plastic parts of the utility model is to cover on said first metal film layer through thermal spraying; Therefore can reach 100-200um with regard to the thickness that makes second metal film layer through single treatment; Because of the thicker product defects that can hide plastic rubber substrate itself of thickness of second metal film layer, thus the yield of raising product.On the other hand, thermal spraying is the production technology that belongs to ripe, and its cost of vacuum plating of comparing is lower, and production efficiency is higher, therefore can reduce production costs, and enhances productivity.The anodized metallization layer of the utility model is through to having plastic rubber substrate that thermal spraying forms second metal film layer as anode; After anodized, obtain; This makes plastic cement material can realize the anodic oxidation effect, and has improved the hardness, wearability of plastic cement material, performance such as corrosion-resistant.
Description of drawings
Fig. 1 is the structural representation of the anodic oxidation plastic parts of the utility model embodiment one.
Fig. 2 is the structural representation of the anodic oxidation plastic parts of the utility model embodiment two.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.
As shown in Figure 1; A kind of anodic oxidation plastic parts that the utility model embodiment one provides; This anodic oxidation plastic parts 1 comprises plastic rubber substrate 11; Cover first metal film layer 12 on the said plastic rubber substrate 11, through thermal spraying cover on said first metal film layer 12 second metal film layer 13 and through the anodized metallization layer 14 of anodic oxidation shape on said second metal film layer 13, the thickness of said second metal film layer 13 is 100-200um.
Said first metal film layer 12 covers on the said plastic rubber substrate 11 through the water power plating, and the thickness of said first metal film layer 12 is 10-15um.The thicknesses of layers of said anodized metallization layer 14 is 10-15um.In order to guarantee the adhesive force of said first metal film layer 12 on plastic rubber substrate 11, the material rank of said plastic rubber substrate 11 is preferably plating grade.In order to guarantee the adhesion between said second metal film layer 13 and the anodized metallization layer 14, the surface roughness of said second metal film layer preferably is not more than Ra1.6.
The preparation method of the anodic oxidation plastic parts of the utility model embodiment one is following:
1. water power plates first metal film layer: prepare the 20PCS plastic rubber substrate, can be cell phone rear cover, the material of plastic rubber substrate is the ABS of plating grade, 757 models of preferred Taiwan Qi Mei company.Earlier plastic rubber substrate is cleaned clean the processing, on be hung in the tool, place plastic rubber substrate then in treatment trough.With sulfuric acid chromic anhydride soup roughening treatment is done on the plastic rubber substrate surface, 70 ℃ of temperature, time 5min; With the hydrochloric acid soup activation is done on the plastic shell surface again and handled, temperature is a room temperature, time 90s; Last preplating copper adopts the copper sulphate soup in plastic cement shell surface, 25 ℃ of treatment temperatures, and voltage 1.5V forms the metallic copper thin layer of 10-15um on the plastic rubber substrate surface, i.e. first metal film layer, this first metal film layer can be realized in disposable water power plating.
2. thermal spraying second metal film layer: the plastic shell surface that above-mentioned steps is handled is done further thermal spraying aluminum or aluminum alloy and is handled.To being hung in the tool on the plastic rubber substrate of handling through above-mentioned steps; Adopt plasma arc generator will feed gas heating and ionization in the nozzle; Form the high temperature and high speed plasma jet; Fusing and atomized aluminum or Al-alloy metal, and make its with high velocity jet to the first metallic film laminar surface, form second metal film layer.Plasma jet speed is 240 ~ 610m/s, so that the coating of second metal film layer is comparatively fine and close and have higher binding strength with first metal film layer, the film thickness monitoring of second metal film layer is 100-200um.Then second metal film layer is done sanding and polishing and handle, roughness makes its no tangible cutter trade in surface for being not more than Ra1.6.
3. anodic oxidation forms the anodized metallization layer: the plastic parts that above-mentioned steps is handled is after processing such as degreasing, alkali erosion, neutralization; Put into anodizing tank and with it as anode; The aluminum or aluminum alloy layer is after oxidation; On the surface of second metal film layer, form the aluminium oxide thin layer, thicknesses of layers is 10-15um, and the antianode oxide-film carries out the sealing of hole processing then; Make the second metallic film laminar surface form the anodized metallization layer, thereby make whole plastic parts have metallization anodic oxidation effect.
As shown in Figure 2; A kind of anodic oxidation plastic parts that the utility model embodiment two provides; This anodic oxidation plastic parts 10 comprises plastic rubber substrate 101; Be arranged on first metal film layer 103 on the said plastic rubber substrate 101, through thermal spraying cover on said first metal film layer 103 second metal film layer 104 and through the anodized metallization layer 105 of anodic oxidation shape on said second metal film layer 104, the thickness of said second metal film layer 104 is 100-200um.Said first metal film layer 103 covers on the said plastic rubber substrate through vacuum plating.In order to strengthen the adhesive force of said first metal film layer, between said first metal film layer and plastic rubber substrate 101, also be provided with UV prime coat 102.The thickness of said UV prime coat 102 is 5-10um.
The preparation method of the anodic oxidation plastic parts of the utility model embodiment two is following:
1. spray UV prime coat, vacuum plating first metal film layer: prepare the 20PCS plastic rubber substrate, can be cell phone rear cover, the material of plastic rubber substrate is the PC/ABS of plating grade, wherein the MC1300 model of basic (the former U.S. GE) company of the preferred husky uncle of PC/ABS.Earlier plastic rubber substrate is done ultrasonic waves for cleaning, carry out paraffin removal, degreasing, with clean case surface, time 20min, 60 ℃ of baking 20-30min in the baking box then, dry plastic cement surface.Spray UV priming paint then in case surface, the primary coat thickness is controlled at 5-10um, forms the UV prime coat, and said UV prime coat is used to improve the adhesive force of first metal film layer, and wherein UV priming paint is selected the VU125-8 series of Japanese YOKOHAMA for use.The plastic rubber substrate that will spray UV priming paint then is placed on and carries out vacuum plating in the vacuum coating equipment, forms first metal film layer.The thickness of a vacuum plating is 40-50nm, in order to improve the adhesion between first metal film layer and said second metal film layer, can carry out vacuum plating twice to it, and making its thickness is 80-100nm.
2. thermal spraying second metal film layer: the plastic shell surface that above-mentioned steps is handled is done further thermal spraying aluminum or aluminum alloy and is handled.To being hung in the tool on the plastic rubber substrate of handling through above-mentioned steps; Adopt plasma arc generator will feed gas heating and ionization in the nozzle; Form the high temperature and high speed plasma jet; Fusing and atomized aluminum or Al-alloy metal, and make its with high velocity jet to the first metallic film laminar surface, form second metal film layer.Plasma jet speed is 240 ~ 610m/s, so that the coating of second metal film layer is comparatively fine and close and have higher binding strength with first metal film layer, the film thickness monitoring of second metal film layer is 100-200um.Then second metal film layer is done sanding and polishing and handle, roughness makes its no tangible cutter trade in surface for being not more than Ra1.6.
3. anodic oxidation forms the anodized metallization layer: the plastic parts that above-mentioned steps is handled is after processing such as degreasing, alkali erosion, neutralization; Put into anodizing tank and with it as anode; The aluminum or aluminum alloy layer is after oxidation; On the surface of second metal film layer, form the aluminium oxide thin layer, thicknesses of layers is 10-15um, and the antianode oxide-film carries out the sealing of hole processing then; Make the second metallic film laminar surface form the anodized metallization layer, thereby make whole plastic parts have metallization anodic oxidation effect.
In sum; Second metal film layer of the anodic oxidation plastic parts of the utility model embodiment is to cover on said first metal film layer through thermal spraying; Therefore can reach 100-200um with regard to the thickness that makes second metal film layer through single treatment; Because of the thicker product defects that can hide plastic rubber substrate itself of thickness of second metal film layer, thus the yield of raising product.On the other hand, thermal spraying is the production technology that belongs to ripe, and its cost of vacuum plating of comparing is lower, and production efficiency is higher, therefore can reduce production costs, and enhances productivity.The anodized metallization layer of the utility model is through to having plastic rubber substrate that thermal spraying forms second metal film layer as anode; After anodized, obtain; This makes plastic cement material can realize the anodic oxidation effect, and has improved the hardness, wearability of plastic cement material, performance such as corrosion-resistant.
In sum, more than be merely the preferred embodiment of the utility model, be in order to help to understand the spirit and the main points of this patent, but be not the protection domain that is used to limit the utility model.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. anodic oxidation plastic parts; It is characterized in that; Comprise plastic rubber substrate; Be arranged on first metal film layer on the said plastic rubber substrate, cover second metal film layer on said first metal film layer and be formed on the anodized metallization layer on said second metal film layer through anodic oxidation through thermal spraying, the thickness of said second metal film layer is 100-200um.
2. anodic oxidation plastic parts according to claim 1 is characterized in that, said first metal film layer covers on the said plastic rubber substrate through vacuum plating.
3. anodic oxidation plastic parts according to claim 2 is characterized in that, the thickness of said first metal film layer is 40-50nm.
4. anodic oxidation plastic parts according to claim 2 is characterized in that, also comprises the UV prime coat, and said UV prime coat is arranged between said plastic rubber substrate and said first metal film layer.
5. anodic oxidation plastic parts according to claim 4 is characterized in that, the thickness of said UV prime coat is 5-10um.
6. anodic oxidation plastic parts according to claim 1 is characterized in that, said first metal film layer covers on the said plastic rubber substrate through the water power plating.
7. anodic oxidation plastic parts according to claim 6 is characterized in that, the thickness of said first metal film layer is 10-15um.
8. anodic oxidation plastic parts according to claim 1 is characterized in that, the thicknesses of layers of said anodized metallization layer is 10-15um.
9. anodic oxidation plastic parts according to claim 1 is characterized in that the surface roughness of said second metal film layer is not more than Ra1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200605015U CN202491490U (en) | 2012-02-23 | 2012-02-23 | Anode-oxidized plastic part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200605015U CN202491490U (en) | 2012-02-23 | 2012-02-23 | Anode-oxidized plastic part |
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| CN202491490U true CN202491490U (en) | 2012-10-17 |
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| CN2012200605015U Expired - Lifetime CN202491490U (en) | 2012-02-23 | 2012-02-23 | Anode-oxidized plastic part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513980A (en) * | 2014-11-12 | 2015-04-15 | 惠州建邦精密塑胶有限公司 | Metal layer structure formed on plastic surface and surface treatment technology |
| CN107460509A (en) * | 2017-07-21 | 2017-12-12 | 广东欧珀移动通信有限公司 | Terminal enclosure and terminal enclosure processing technology |
| CN114347589A (en) * | 2021-12-21 | 2022-04-15 | 歌尔股份有限公司 | Composite material layer and preparation method thereof |
-
2012
- 2012-02-23 CN CN2012200605015U patent/CN202491490U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513980A (en) * | 2014-11-12 | 2015-04-15 | 惠州建邦精密塑胶有限公司 | Metal layer structure formed on plastic surface and surface treatment technology |
| CN107460509A (en) * | 2017-07-21 | 2017-12-12 | 广东欧珀移动通信有限公司 | Terminal enclosure and terminal enclosure processing technology |
| CN107460509B (en) * | 2017-07-21 | 2019-07-30 | Oppo广东移动通信有限公司 | Terminal enclosure and terminal enclosure processing technology |
| CN114347589A (en) * | 2021-12-21 | 2022-04-15 | 歌尔股份有限公司 | Composite material layer and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20121017 |