CN104480430A - Preparation method of anti-wear vacuum coated plastic product - Google Patents
Preparation method of anti-wear vacuum coated plastic product Download PDFInfo
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- CN104480430A CN104480430A CN201410680543.2A CN201410680543A CN104480430A CN 104480430 A CN104480430 A CN 104480430A CN 201410680543 A CN201410680543 A CN 201410680543A CN 104480430 A CN104480430 A CN 104480430A
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Abstract
The invention discloses a preparation method of an anti-wear vacuum coated plastic product. The preparation method comprises the following steps: step a, cleaning and flattening a plastic surface; step b, sealing the plastic surface by using airtight amino resin; step c, washing the plastic in a diluted acidic solution or a diluted alkaline solution and drying; step d, performing physical vapor deposition of a metal layer; step e, coating; step f, painting.
Description
Technical field
The present invention relates to a kind of preparation method of vacuum plating wear resistant plastic product, particularly relate to a kind of by frosting plating layer of metal film, make it have anti-electromagnetic-radiation, static conductive, Hardening, toning, wear-resisting, resistance toly to damage by worms, the manufacture method of ornamental frosting vacuum plating.
Background technology
Plastics carry out metalized, plastics are made to be provided with antistatic and electro-magnetic screen function, Hardening, toning, wear-resisting, decoration, optical function simultaneously, such plastics are in original some characteristic having possessed again metal in nature, if in addition at frosting plated film inferior, also can improve plastic grade, accomplish plastics efficiency utilization.Metal plastic is used widely in some developed country, as fields such as aerospace, electronics, buildings.The U.S., Germany just to begin one's study metal plastic from nineteen twenties, mainly carried out metalized to some plastics member of weapon, to strengthen its intensity, wear resistance, improved parts work-ing life; Enter the sixties, the U.S. strengthens metal plastic research dynamics, metal treatment is carried out to plastic optical fibre, method plastics mix with metal powder or carbon fiber, plastics and metal sheet deposits making sheet, metal pair plastics inner carries out the method such as impregnating, state of the art was much improved than in the past, and part achievement was applied gradually in the 1970s and 1980s; But material uniformity is poor, unstable properties, and industrialization degree is low, product effectiveness is not fine.Japan mainly carries out ionogen plating to plastics, easily produces environmental pollution, and China inserts plastics inner to the plastic-metal main wire netting of research or wire and is pressed into plate, and product homogenisation is poor, and performance is stable not, and industrialization effect is not fine.
Non-conducting vacuum plated film (Non conductive vacuum metalization, be abbreviated as NCVM) technology, refer to that metallic substance under vacuum, the limited meanses such as chemistry, physics are used to carry out organic conversion, metal is made to convert particle to, deposit or be adsorbed on the surface of plastic material, form nonconducting plated film.There is following shortcoming in existing product surface metal-coated membrane: before plating, product surface needs spray-applied primer, to make the defect of product surface covered, but after spray-applied primer, the effect of product surface can be thicker, feel there are differences with the metal of reality, plastic rubber surface does not reach strong metal-like.
Summary of the invention
Technical problem to be solved by this invention is: make up above-mentioned the deficiencies in the prior art, a kind of preparation method of vacuum plating wear resistant plastic product is proposed, it is directly at plastic surface plated film, and the surface of plastic cement products reaches stronger metal-like, makes surface effect closer to metallic color.
The object of the invention is to be achieved through the following technical solutions:
A, frosting carried out clean, smooth process;
B, carry out sealing treatment with amino resistance to air loss resin to frosting, described amino resistance to air loss resin is terpolycyantoamino-formaldehyde resin, urea-formaldehyde resin or trimeric cyanamide and urea and formaldehyde cocondensation resin adhesive;
C, plastics are placed in and carry out cleaning post-drying containing diluted acid or sig water;
D, physical vapor deposition metal level: the plastic cement products of cleaning is placed in vacuum vapor plating indoor, carry out ion bombardment to the surface of described plastic cement products; Physical vapor deposition metal layer process condition is ion source electric current 0.3 ~ 0.6A, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, acetylene flow velocity 0 ~ 150SCCM; Time 3 ~ 5min; The processing condition of described ion bombardment adopt high-power medium-frequency pulse or high-power DC power supply, first the vacuum tightness of described vacuum vapor plating indoor is evacuated to 2.0 × 10-2 ~ 3.0 × 10-2Pa, be filled with argon gas, argon flow amount remains on 800 ~ 1300sccm, and making the vacuum tightness of described vacuum vapor plating indoor reach 2 ~ 3Pa, is 2 ~ 2.4KV at voltage, electric current is under 0.8 ~ 1A, argon gas produces ionization, and bombards the surface of described plastic cement products, and bombardment time is 150 ~ 180 seconds.
E, plating steps: plated film after ion bombardment completes, by indoor for the described vacuum vapor plating plating metal on surface film at described plastic cement products; Voltage 220 ~ 240V during Coating Materials evaporation, electric current 60 ~ 65A, 18 ~ 20 seconds time, Coating Materials is tin or indium or indium stannum alloy, and Coating Materials weight is 0.182 ± 0.01g, to ensure that product surface is non-conductive.
F, painting step: after plated film completes on described metallic membrane spray-applied primer, middle paint and finish paint successively,, Clear coating: spraying polyurethane propenoic acid ester photocureable sizing agent on the plastic cement product after above-mentioned vacuum plating, increase the glossiness of plastic cement product, hardness, wear resistance and corrosion resistance, painting step: after plated film completes on described metallic membrane spray-applied primer, middle paint and finish paint successively, the viscosity of priming paint is 8.5 ~ 9.5S, storing temperature 50 ± 5 DEG C, baking time 8 ~ 10min, the base coat thickness of spraying controls at 2 ± 1 μm; The storing temperature of middle paint is 50 ± 5 DEG C, the middle paint gauge control of spraying is at 6 ± 1 μm, baking time is 8 ~ 10min, spray paint state modulator is as follows: the viscosity of finish paint is 8.7 ~ 9.7S, adopt UV solidification, storing temperature is 50 ± 5 DEG C, and baking time is 12 ~ 15min, UV energy is 1000 ± 100mj/cm
2, the finish paint gauge control of spraying is at 20 ± 2 μm.
Beneficial effect of the present invention is as follows: the metallic film that the method for the invention obtains is even and sticking power is good, enhances the wear resistance of product surface electrolytic coating; Secondly, the metalwork having plated metallic film is carried out anodic oxidation treatment by the present invention, the rich color after plated film is oxidized, and corrosion resistance and good, improves the bulk strength of metalwork, and this technique environmentally safe.
Embodiment
In order to make the object of patent protection of the present invention, technical scheme and advantage clearly understand, below the present invention is further elaborated.
Embodiment 1
A preparation method for vacuum plating wear resistant plastic product, carries out according to following steps:
A, frosting carried out clean, smooth process;
B, carry out sealing treatment with amino resistance to air loss resin to frosting, described amino resistance to air loss resin is terpolycyantoamino-formaldehyde resin, urea-formaldehyde resin or trimeric cyanamide and urea and formaldehyde cocondensation resin adhesive;
C, plastics are placed in and carry out cleaning post-drying containing diluted acid or sig water;
D, physical vapor deposition metal level: the plastic cement products of cleaning is placed in vacuum vapor plating indoor, carry out ion bombardment to the surface of described plastic cement products; Physical vapor deposition metal layer process condition is ion source electric current 0.3 ~ 0.6A, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, acetylene flow velocity 0 ~ 150SCCM; Time 3 ~ 5min; The processing condition of described ion bombardment adopt high-power medium-frequency pulse or high-power DC power supply, first the vacuum tightness of described vacuum vapor plating indoor is evacuated to 2.0 × 10-2 ~ 3.0 × 10-2Pa, be filled with argon gas, argon flow amount remains on 800 ~ 1300sccm, and making the vacuum tightness of described vacuum vapor plating indoor reach 2 ~ 3Pa, is 2 ~ 2.4KV at voltage, electric current is under 0.8 ~ 1A, argon gas produces ionization, and bombards the surface of described plastic cement products, and bombardment time is 150 ~ 180 seconds.
E, plating steps: plated film after ion bombardment completes, by indoor for the described vacuum vapor plating plating metal on surface film at described plastic cement products; Voltage 220 ~ 240V during Coating Materials evaporation, electric current 60 ~ 65A, 18 ~ 20 seconds time, Coating Materials is tin or indium or indium stannum alloy, and Coating Materials weight is 0.182 ± 0.01g, to ensure that product surface is non-conductive.
Technique resulting product thus, obtained phone housing, and by following function test:
(A) CASS protection against corrosion: 16h;
(B) thermal shock circulates 4 and circulates;
(C) knockout impacts: 12L knockout;
(D) bonding force (hundred cut): 5A;
(E) water logging 38 DEG C: 24h;
(F) pencil hardness (Mitsubishi): 3H;
above function test comprises:
1, anticorrosive function test:
1) CASS test (ASTM B368-09);
2) AASS test (ASTM G85-09).
2, abrasion resisting function test:
Sand trial (ASTM D968-05).
3, bonding force test:
1) hundred test (ASTM D3359-02) is cut;
2) thermal cycling test (ASME A112.18.1-2005/CSA B125.1-05).
4, water-fast test
Water logging test (ASTM D870-02).
5, scratch resistance test
1) pencil hardness test (ASTM D3363-05).
Embodiment 1
A preparation method for vacuum plating wear resistant plastic product, carries out according to following steps:
A, frosting carried out clean, smooth process;
B, carry out sealing treatment with amino resistance to air loss resin to frosting, described amino resistance to air loss resin is terpolycyantoamino-formaldehyde resin, urea-formaldehyde resin or trimeric cyanamide and urea and formaldehyde cocondensation resin adhesive;
C, plastics are placed in and carry out cleaning post-drying containing diluted acid or sig water;
D, physical vapor deposition metal level: the plastic cement products of cleaning is placed in vacuum vapor plating indoor, carry out ion bombardment to the surface of described plastic cement products; Physical vapor deposition metal layer process condition is ion source electric current 0.3 ~ 0.6A, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, acetylene flow velocity 0 ~ 150SCCM; Time 3 ~ 5min; The processing condition of described ion bombardment adopt high-power medium-frequency pulse or high-power DC power supply, first the vacuum tightness of described vacuum vapor plating indoor is evacuated to 2.0 × 10-2 ~ 3.0 × 10-2Pa, be filled with argon gas, argon flow amount remains on 800 ~ 1300sccm, and making the vacuum tightness of described vacuum vapor plating indoor reach 2 ~ 3Pa, is 2 ~ 2.4KV at voltage, electric current is under 0.8 ~ 1A, argon gas produces ionization, and bombards the surface of described plastic cement products, and bombardment time is 150 ~ 180 seconds.
E, plating steps: plated film after ion bombardment completes, by indoor for the described vacuum vapor plating plating metal on surface film at described plastic cement products; Voltage 220 ~ 240V during Coating Materials evaporation, electric current 60 ~ 65A, 18 ~ 20 seconds time, Coating Materials is tin or indium or indium stannum alloy, and Coating Materials weight is 0.182 ± 0.01g, to ensure that product surface is non-conductive.
In a preferred embodiment, also comprise painting step: after plated film completes on described metallic membrane spray-applied primer, middle paint and finish paint successively, the viscosity of priming paint is 8.5 ~ 9.5S, storing temperature 50 ± 5 DEG C, baking time 8 ~ 10min, the base coat thickness of spraying controls at 2 ± 1 μm; The storing temperature of middle paint is 50 ± 5 DEG C, the middle paint gauge control of spraying is at 6 ± 1 μm, baking time is 8 ~ 10min, spray paint state modulator is as follows: the viscosity of finish paint is 8.7 ~ 9.7S, adopt UV solidification, storing temperature is 50 ± 5 DEG C, and baking time is 15min, UV energy is 1000 ± 100mj/cm
2, the finish paint gauge control of spraying is at 20 ± 2 μm.
After completing above-mentioned process, the metal-like of product surface is comparatively strong, and product surface light face atomized surface effect is obvious, and gradation sense is strong.Poach is done after product rolls off the production line, sticking power, the tests such as network analysis, poach test in the present embodiment is taken out after 30 minutes in constant tank product being positioned over 80 DEG C, to be positioned in room temperature 4 hours, observing its surface has unchanged, the little lattice simultaneously drawing 2mm*2mm detect, adopt tape paste method, surveying its surface is deposit to come off, product surface does not change and coating shedding is qualified, sticking power test is the grid drawing 1mm*1mm at product surface, adopt tape paste method, surveying its surface is deposit to come off, product surface comes off and is less than 5% for qualified (4B), following table is the test result of arrive four products of the disposal methods adopted in the present embodiment, wherein resistance to blanching is poach test, X-CU is sticking power test.
Network analysis test mainly by setting MARKER value to determine a standard testing spectrum line on network analyzer with uncoated product, general setting 5 MARKER points are tested, that after product has plated film, test exceedes this point is NG, represent plated film conduction, otherwise then non-conductive, the equal OK of test of above four products.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (4)
1. a preparation method for vacuum plating wear resistant plastic product, is characterized in that, comprising:
A, frosting carried out clean, smooth process;
B, with amino resistance to air loss resin, sealing treatment is carried out to frosting: described amino resistance to air loss resin is terpolycyantoamino-formaldehyde resin, urea-formaldehyde resin or trimeric cyanamide and urea and formaldehyde cocondensation resin adhesive;
C, plastics are placed in and carry out cleaning post-drying containing diluted acid or sig water;
D, physical vapor deposition metal level: the plastic cement products of cleaning is placed in vacuum vapor plating indoor, carry out ion bombardment to the surface of described plastic cement products;
E, plating steps: plated film after ion bombardment completes, by indoor for the described vacuum vapor plating plating metal on surface film at described plastic cement products;
F, painting step: after plated film completes on described metallic membrane spray-applied primer, middle paint and finish paint successively,, Clear coating: spraying polyurethane propenoic acid ester photocureable sizing agent on the plastic cement product after above-mentioned vacuum plating, increases the glossiness of plastic cement product, hardness, wear resistance and corrosion resistance.
2. the preparation method of vacuum plating wear resistant plastic product as claimed in claim 1, it is characterized in that: physical vapor deposition metal layer process condition is ion source electric current 0.3 ~ 0.6A, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, acetylene flow velocity 0 ~ 150SCCM; Time 3 ~ 5min; The processing condition of described ion bombardment adopt high-power medium-frequency pulse or high-power DC power supply, first the vacuum tightness of described vacuum vapor plating indoor is evacuated to 2.0 × 10-2 ~ 3.0 × 10-2Pa, be filled with argon gas, argon flow amount remains on 800 ~ 1300sccm, and making the vacuum tightness of described vacuum vapor plating indoor reach 2 ~ 3Pa, is 2 ~ 2.4KV at voltage, electric current is under 0.8 ~ 1A, argon gas produces ionization, and bombards the surface of described plastic cement products, and bombardment time is 150 ~ 180 seconds.
3. the preparation method of vacuum plating wear resistant plastic product as claimed in claim 1, it is characterized in that: described metal-coated membrane parameter is as follows: voltage 220 ~ 240V during Coating Materials evaporation, electric current 60 ~ 65A, 18 ~ 20 seconds time, Coating Materials is tin or indium or indium stannum alloy, Coating Materials weight is 0.182 ± 0.01g, to ensure that product surface is non-conductive.
4. the preparation method of the vacuum plating wear resistant plastic product as described in claim 1 or 2 or 3, it is characterized in that: painting step: after plated film completes on described metallic membrane spray-applied primer, middle paint and finish paint successively, the viscosity of priming paint is 8.5 ~ 9.5S, storing temperature 50 ± 5 DEG C, baking time 8 ~ 10min, the base coat thickness of spraying controls at 2 ± 1 μm; The storing temperature of middle paint is 50 ± 5 DEG C, the middle paint gauge control of spraying is at 6 ± 1 μm, baking time is 8 ~ 10min, spray paint state modulator is as follows: the viscosity of finish paint is 8.7 ~ 9.7S, adopt UV solidification, storing temperature is 50 ± 5 DEG C, and baking time is 12 ~ 15min, UV energy is 1000 ± 100mj/cm
2, the finish paint gauge control of spraying is at 20 ± 2 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410680543.2A CN104480430A (en) | 2014-11-24 | 2014-11-24 | Preparation method of anti-wear vacuum coated plastic product |
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| CN201410680543.2A CN104480430A (en) | 2014-11-24 | 2014-11-24 | Preparation method of anti-wear vacuum coated plastic product |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424021A (en) * | 2016-09-30 | 2017-02-22 | 四川行来科技有限公司 | Efficient film cleaning process |
| CN107011748A (en) * | 2017-04-24 | 2017-08-04 | 深圳铭锋达精密技术有限公司 | Glass inorganic agent and its application for glass plastic rubber member surface spray treatment |
| CN108796431A (en) * | 2018-06-22 | 2018-11-13 | 赣州中盛隆电子有限公司 | A kind of coating process of circuit board |
| CN109023244A (en) * | 2018-07-18 | 2018-12-18 | 东莞华清光学科技有限公司 | A kind of cover board grey NCVM plated film preparation process |
| CN109112486A (en) * | 2018-09-17 | 2019-01-01 | 东莞星晖真空镀膜塑胶制品有限公司 | A kind of technique for vacuum coating of plasthetics |
| CN113597159A (en) * | 2021-07-21 | 2021-11-02 | Oppo广东移动通信有限公司 | Electronic device, case assembly, and film material |
| CN114669458A (en) * | 2022-03-28 | 2022-06-28 | 东莞市美尚美电子科技有限公司 | Optical coating process |
-
2014
- 2014-11-24 CN CN201410680543.2A patent/CN104480430A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424021A (en) * | 2016-09-30 | 2017-02-22 | 四川行来科技有限公司 | Efficient film cleaning process |
| CN107011748A (en) * | 2017-04-24 | 2017-08-04 | 深圳铭锋达精密技术有限公司 | Glass inorganic agent and its application for glass plastic rubber member surface spray treatment |
| CN108796431A (en) * | 2018-06-22 | 2018-11-13 | 赣州中盛隆电子有限公司 | A kind of coating process of circuit board |
| CN109023244A (en) * | 2018-07-18 | 2018-12-18 | 东莞华清光学科技有限公司 | A kind of cover board grey NCVM plated film preparation process |
| CN109112486A (en) * | 2018-09-17 | 2019-01-01 | 东莞星晖真空镀膜塑胶制品有限公司 | A kind of technique for vacuum coating of plasthetics |
| CN113597159A (en) * | 2021-07-21 | 2021-11-02 | Oppo广东移动通信有限公司 | Electronic device, case assembly, and film material |
| CN113597159B (en) * | 2021-07-21 | 2023-11-03 | Oppo广东移动通信有限公司 | Electronic equipment, shell assembly and membrane material |
| CN114669458A (en) * | 2022-03-28 | 2022-06-28 | 东莞市美尚美电子科技有限公司 | Optical coating process |
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Application publication date: 20150401 |