CN104894509A - Plastic coating metal imitation process - Google Patents
Plastic coating metal imitation process Download PDFInfo
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- CN104894509A CN104894509A CN201510248485.0A CN201510248485A CN104894509A CN 104894509 A CN104894509 A CN 104894509A CN 201510248485 A CN201510248485 A CN 201510248485A CN 104894509 A CN104894509 A CN 104894509A
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- metal
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Abstract
The invention discloses a plastic coating metal imitation process, which includes the steps of: S1. wiping a plastic substrate manually to remove dust and oil; S2. subjecting the plastic substrate treated by S1 to physical vapor deposition plasma modification; S3. preparing a metal layer on the plastic substrate surface by high power sputtering deposition technology or metal powder gas spraying technology; and S4. spraying a primer coat layer and a finishing coat layer on the plastic substrate, and conducting color mixing treatment in the finishing coat to obtain the needed color. According to the process, the film and shell are injection molded simultaneously, the efficiency is improved, and the operation is simple. Manual wiping is employed to remove dust and oil, thus reducing discharge of wastewater. The metal layer is prepared on the plastic substrate surface after physical vapor deposition plasma modification to the plastic substrate, the metal layer and the plastic substrate are combined firmly, and the wastewater discharge and the harm of electroplating liquid to the environment and human are reduced.
Description
Technical field
The present invention relates to method for processing plastic surface technical field, particularly a kind of plastic filming imitates the technique of metal.
Background technology
Traditional cortex bonnet cost is high, complex process, needs leather or leatheroid to carry out dicing sheet, then fits with the cell phone rear cover shell of injection moulding.And the old process of existing plastic electroplating is: removing oil-removing wax, alligatoring, activation, sensitization, removing oil-removing wax, alligatoring, activation, sensitization, reduction, chemical nickel, electric coke-plated copper, electronickelling, then oil removing is carried out, activation, electrodeposited chromium or last PVD, its shortcoming to produce a large amount of waste water and heavy metal contaminants.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of and there is no discharge of wastewater, metal level combines the technique that firmly plastic filming imitates metal.
Object of the present invention is achieved through the following technical solutions: a kind of plastic filming imitates the technique of metal, comprises the following steps:
S1, manual wiping dedusting oil removing is carried out to plastic rubber substrate;
S2, physical vapor deposition plasma modification is carried out to the plastic rubber substrate through step S1 process, ion source electric current is 0.3 ~ 0.5A, bias voltage 20 ~ 60V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, time 5 ~ 10min, thus make the surface of gas and plastic rubber substrate that the interaction of chemistry or physics occur, make polarization on plastic rubber substrate surface molecular chain, surface tension significantly improves, change its surfactivity, the surface physics change caused by the crosslinked of plastic rubber substrate surface and corrasion obviously improves contact angle and the surface energy on plastic rubber substrate surface, effective adhesiveproperties improving plastic rubber substrate, adhesiveproperties is improved greatly,
S3, by high-power sputter-deposition technology or metal-powder gas spraying technology, prepare metal level on the surface of plastic rubber substrate;
The processing parameter of described high-power sputter-deposition technology is: adopt high-power DC power supply, supply current is 50 ~ 200A, voltage is 400 ~ 600V, depositing time is 10 ~ 15min, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 50 ~ 100SCCM, the metal of deposition is the one in aluminium, copper, nickel, chromium.
Described metal-powder gas spraying technology refers to the surface by compressed gas source, metal-powder being sprayed to plastic rubber substrate by nozzle, metal-powder is deposited on substrate surface, form metal level, its processing parameter is: jet length 5 ~ 10m, gas pressure intensity 1 ~ 3Mpa, the temperature of pressurized gas is normal temperature, the granularity of metal-powder is 400 ~ 600 μm, due to the process of step S2, make metal-powder under normal temperature state just can with the surperficial mortise of plastic rubber substrate, avoid the disadvantageous effect of high temperature to plastic rubber substrate, described metal-powder is aluminium, copper, nickel, one or more in chromium.
S4, spray-applied primer layer and top coat layer are carried out to plastic rubber substrate, and in finish paint, carry out toning process, debug out required color.
Also comprise a steps A 1 between described step S3 and step S4, described steps A 1 is black for adopting dye black liquor to carry out dye to metal level, the step of then washing.
Described dye black liquor is commercial products, soaks 5 ~ 10min, adopt tap water rinse 2 ~ 4min, then dry during washing with dye black liquor.
Also comprise a steps A 2 between described steps A 1 and step S4, described steps A 2, for carry out wire drawing process to described metal level, then carries out manual wiping dedusting oil removing.
The present invention has the following advantages:
Film of the present invention will with shell simultaneously injection moulding, raise the efficiency, simple to operate.
Manual wiping dedusting oil removing is adopted to plastic rubber substrate, compares the discharge that existing cleaning mode decreases waste water.
After physical vapor deposition plasma modification is carried out to plastic rubber substrate, by high-power sputter-deposition technology or metal-powder gas spraying technology, metal level is prepared on the surface of plastic rubber substrate, metal level is combined firmly with plastic rubber substrate, compares existing electroplating technology and decreases the harm to environment and the mankind of the discharge of waste water and electroplate liquid.
Embodiment
Below in conjunction with embodiment, the present invention will be further described:
Plastic filming imitates a technique for metal, comprises the following steps:
S1, manual wiping dedusting oil removing is carried out to plastic rubber substrate;
S2, physical vapor deposition plasma modification is carried out to the plastic rubber substrate through step S1 process, ion source electric current is 0.3 ~ 0.5A, bias voltage 20 ~ 60V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, time 5 ~ 10min, thus make the surface of gas and plastic rubber substrate that the interaction of chemistry or physics occur, make polarization on plastic rubber substrate surface molecular chain, surface tension significantly improves, change its surfactivity, the surface physics change caused by the crosslinked of plastic rubber substrate surface and corrasion obviously improves contact angle and the surface energy on plastic rubber substrate surface, effective adhesiveproperties improving plastic rubber substrate, adhesiveproperties is improved greatly,
S3, by high-power sputter-deposition technology or metal-powder gas spraying technology, prepare metal level on the surface of plastic rubber substrate;
The processing parameter of described high-power sputter-deposition technology is: adopt high-power DC power supply, supply current is 50 ~ 200A, voltage is 400 ~ 600V, depositing time is 10 ~ 15min, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 50 ~ 100SCCM, the metal of deposition is the one in aluminium, copper, nickel, chromium.
Described metal-powder gas spraying technology refers to the surface by compressed gas source, metal-powder being sprayed to plastic rubber substrate by nozzle, metal-powder is deposited on substrate surface, form metal level, its processing parameter is: jet length 5 ~ 10m, gas pressure intensity 1 ~ 3Mpa, the temperature of pressurized gas is normal temperature, the granularity of metal-powder is 400 ~ 600 μm, due to the process of step S2, make metal-powder under normal temperature state just can with the surperficial mortise of plastic rubber substrate, avoid the disadvantageous effect of high temperature to plastic rubber substrate, described metal-powder is aluminium, copper, nickel, one or more in chromium.
S4, spray-applied primer layer and top coat layer are carried out to plastic rubber substrate, and in finish paint, carry out toning process, debug out required color.
Also comprise a steps A 1 between described step S3 and step S4, described steps A 1 is black for adopting dye black liquor to carry out dye to metal level, the step of then washing.
Described dye black liquor is commercial products, soaks 5 ~ 10min, adopt tap water rinse 2 ~ 4min, then dry during washing with dye black liquor.
Also comprise a steps A 2 between described steps A 1 and step S4, described steps A 2, for carry out wire drawing process to described metal level, then carries out manual wiping dedusting oil removing.
Claims (5)
1. plastic filming imitates a technique for metal, it is characterized in that: comprise the following steps:
S1, manual wiping dedusting oil removing is carried out to plastic rubber substrate;
S2, physical vapor deposition plasma modification is carried out to the plastic rubber substrate through step S1 process, ion source electric current is 0.3 ~ 0.5A, bias voltage 20 ~ 60V, dutycycle 40% ~ 80%, argon gas flow velocity 10 ~ 100SCCM, oxygen gas flow rate 0 ~ 150SCCM, time 5 ~ 10min, thus make the surface of gas and plastic rubber substrate that the interaction of chemistry or physics occur, make polarization on plastic rubber substrate surface molecular chain, surface tension significantly improves, change its surfactivity, the surface physics change caused by the crosslinked of plastic rubber substrate surface and corrasion obviously improves contact angle and the surface energy on plastic rubber substrate surface, effective adhesiveproperties improving plastic rubber substrate, adhesiveproperties is improved greatly,
S3, by high-power sputter-deposition technology or metal-powder gas spraying technology, prepare metal level on the surface of plastic rubber substrate;
S4, spray-applied primer layer and top coat layer are carried out to plastic rubber substrate, and in finish paint, carry out toning process, debug out required color.
2. a kind of plastic filming according to claim 1 imitates the technique of metal, it is characterized in that: the processing parameter of described high-power sputter-deposition technology is: adopt high-power DC power supply, supply current is 50 ~ 200A, voltage is 400 ~ 600V, depositing time is 10 ~ 15min, bias voltage 20 ~ 80V, dutycycle 40% ~ 80%, argon gas flow velocity 50 ~ 100SCCM, the metal of deposition is the one in aluminium, copper, nickel, chromium.
3. a kind of plastic filming according to claim 1 imitates the technique of metal, it is characterized in that: described metal-powder gas spraying technology refers to the surface by compressed gas source, metal-powder being sprayed to plastic rubber substrate by nozzle, metal-powder is deposited on substrate surface, form metal level, its processing parameter is: jet length 5 ~ 10m, gas pressure intensity 1 ~ 3Mpa, the temperature of pressurized gas is normal temperature, the granularity of metal-powder is 400 ~ 600 μm, due to the process of step S2, make metal-powder under normal temperature state just can with the surperficial mortise of plastic rubber substrate, avoid the disadvantageous effect of high temperature to plastic rubber substrate, described metal-powder is aluminium, copper, nickel, one or more in chromium.
4. a kind of plastic filming according to claim 1 imitates the technique of metal, it is characterized in that: also comprise a steps A 1 between described step S3 and step S4, and described steps A 1 is black for adopting dye black liquor to carry out dye to metal level, the step of then washing.
5. a kind of plastic filming according to claim 1 imitates the technique of metal, it is characterized in that: between described steps A 1 and step S4, also comprise a steps A 2, described steps A 2, for carry out wire drawing process to described metal level, then carries out manual wiping dedusting oil removing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248485.0A CN104894509A (en) | 2015-05-17 | 2015-05-17 | Plastic coating metal imitation process |
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| CN201510248485.0A CN104894509A (en) | 2015-05-17 | 2015-05-17 | Plastic coating metal imitation process |
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| CN104894509A true CN104894509A (en) | 2015-09-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550569A (en) * | 2015-09-21 | 2017-03-29 | 广东格林精密部件股份有限公司 | A kind of plating reinforcing plastic housing and preparation method thereof |
| CN111216384A (en) * | 2018-11-26 | 2020-06-02 | 祖恩科技有限公司 | Method for manufacturing automobile guard plate |
| CN111216305A (en) * | 2018-11-23 | 2020-06-02 | 华孚精密科技(马鞍山)有限公司 | Method for combining metal and plastic and product thereof |
| CN113061829A (en) * | 2021-03-18 | 2021-07-02 | 东莞仁海科技股份有限公司 | Preparation process of conductive silicone rubber |
| CN114318230A (en) * | 2020-09-30 | 2022-04-12 | 镭亚电子(苏州)有限公司 | Method for forming silver-containing metal layer on organic glue layer |
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2015
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| CN101607501A (en) * | 2009-04-24 | 2009-12-23 | 李宗炳 | Copper imitation wire drawing process |
| CN102101103A (en) * | 2011-01-30 | 2011-06-22 | 李必楚 | Method for making antique color metal surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550569A (en) * | 2015-09-21 | 2017-03-29 | 广东格林精密部件股份有限公司 | A kind of plating reinforcing plastic housing and preparation method thereof |
| CN111216305A (en) * | 2018-11-23 | 2020-06-02 | 华孚精密科技(马鞍山)有限公司 | Method for combining metal and plastic and product thereof |
| CN111216384A (en) * | 2018-11-26 | 2020-06-02 | 祖恩科技有限公司 | Method for manufacturing automobile guard plate |
| CN114318230A (en) * | 2020-09-30 | 2022-04-12 | 镭亚电子(苏州)有限公司 | Method for forming silver-containing metal layer on organic glue layer |
| CN114318230B (en) * | 2020-09-30 | 2023-06-23 | 镭亚电子(苏州)有限公司 | Method for forming silver-containing metal layer on organic adhesive layer |
| CN113061829A (en) * | 2021-03-18 | 2021-07-02 | 东莞仁海科技股份有限公司 | Preparation process of conductive silicone rubber |
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Application publication date: 20150909 |