CN103276354A - Method for vacuum evaporating aluminium film on plastic workpiece - Google Patents
Method for vacuum evaporating aluminium film on plastic workpiece Download PDFInfo
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- CN103276354A CN103276354A CN2013101415375A CN201310141537A CN103276354A CN 103276354 A CN103276354 A CN 103276354A CN 2013101415375 A CN2013101415375 A CN 2013101415375A CN 201310141537 A CN201310141537 A CN 201310141537A CN 103276354 A CN103276354 A CN 103276354A
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Abstract
The invention relates to a method for vacuum evaporating an aluminium film on a plastic workpiece. The method comprises the steps of S1, washing the surface of a clean plastic workpiece, putting the plastic workpiece in a vacuum evaporation chamber provided with a glow discharge bombardment device being a high voltage electrode pole and an external high-voltage direct current power supply, wherein a negative electrode of the power supply is connected with the wall of the evaporation chamber and the is connected to the ground; filling argon in the evaporation chamber; applying a high voltage of 2,000-3,500 volts between the electrode and the wall of the evaporation chamber to generate high voltage argon glow discharge plasma, and maintaining for 5-10 minutes; S2, evaporating an aluminium-plated film; and S3, soaking a surface oil layer on the aluminium film, and drying the oil. On the above basis, 10-22% of nitrogen or 10-22% of nitrogen and 2-8% of oxygen can be added in the S1 step at the same time to participate in the glow discharge. The method is in no need of applying bottom oil, so that environment pollution caused by a bottom oil-applying processing method; time consumption is greatly reduced; the process is simple and can be easily controlled; yield is increased by 20%; and cost is reduced by 50%.
Description
Technical field
The present invention relates to a kind of on plastics part the method for vacuum evaporated aluminium film.
Technical background
Existingly at vacuum evaporated aluminium membrane process on the plastics part generally be: the first step: the plastic component surface that is cleaning up is soaked earlier and is hung oil at the bottom of one deck; Second step: after treating its levelling and oven dry, enter vacuum plating chamber evaporation plating aluminium film; The 3rd step: and then soak at the aluminium film and to hang up an aspect oil, oven dry subsequently becomes protective film.
End oil and face oil all are the varnish base polymers.If in technical process, do not go up Burr oil, directly carry out the vacuum evaporated aluminium film at plastic workpiece surface, the aluminium film plates not firm, and its reason is that plastic material surface tissue key characteristics difficulty is combined the film/very poor cause of basic bonding force with metallic aluminium.So be absolutely necessary at the technical process first link upper base oil.End light wood matter is different from plastic basis material, has changed the Facing material proterties, and combination is firm easily with aluminium film, has realized industrial application.The low product of vacuum evaporated aluminium film, particularly cost all adopts the technology of upper base oil on current most plastics part.
But upper base oil is a kind of time-consuming expense power consumption material says the skill technology of contaminate environment again, for example will consume oil of a large amount of ends, and end oil quality and rare denseness of soaking extension there is strict demand, ambient moisture is also required control, soaking extension end oil and levelling needs skill, otherwise a large amount of defective productss can occur; End oil oven dry also will be equipped with a large amount of bakers, generally will be 65～85 degrees centigrade of baking 2.5 hours, and end oil oven dry volatilization has pollution to environment.So the processing method of upper base oil has many shortcomings.
Another kind method is to replace end oil and face oil with ultra-violet curing UV oil, but UV oil cost is higher, needs to set up the production line of more expensive last UV oil and stricter environment purification, and upward the technical requirements of UV oil is higher.
Also having a kind for the treatment of process before vacuum evaporated aluminium on the plastics part is without upper base oil, but in vacuum oven before the evaporation plating aluminium, with gas ion source emission beam-plasma or ionic fluid, plastic workpiece surface is bombarded, gas is with argon gas or add a certain proportion of nitrogen and oxygen etc., and the beam-plasma of lotus energy has sputter clean decontamination cleaning action to frosting one; Two come the frosting macromolecular structure is produced modifying function, as interrupt the bonding state that changes original material closes, make it non-closed keys such as breaking bonds, surperficial dangling bonds occur, thereby improve surfactivity, are conducive to combine with metallic aluminium; Three come energetic ion beam bombardment frosting that little alligatoring effect is arranged, and are conducive to aluminium film mechanical snap reinforcing membrane/basic bonding force.Therefore can be in order to avoid upper base oil be realized vacuum evaporated aluminium.This method must be plated indoor increase ion source device and external supporting power supply in vacuum, and equipment is expensive, and ion source can increase running maintenance time and cost than overbearing airs.
Device is bombarded in the glow discharge of being equipped with on equipment is aluminized in plastics vacuum-evaporation now commonly used more, namely dispose high voltage electrode bar and external high-voltage DC power supply, negative power supply connects plating locular wall and ground connection, the plating chamber charges into argon gas, add 450～650 volts of left and right sides voltages between general negative potential and the plating locular wall, allowing argon gas produce glow discharge plasma bombards work, frosting to last end oil plays the sputter cleaning action, obtains in conjunction with firm vacuum evaporation aluminum membranous layer under the upper base deep-fried twisted dough sticks spare but can not be implemented in.
Summary of the invention
Technical problem to be solved by this invention, just provide a kind of on plastics part the method for vacuum evaporated aluminium film, it is not without upper base oil, need expensive ion source just can obtain to be combined with plastic substrate firm vacuum evaporated aluminium film again.
Solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of on plastics part the method for vacuum evaporated aluminium film, it is characterized in that may further comprise the steps:
Behind the plastic component surface that S1 cleans up it is inserted and glow discharge bombardment device is housed namely to dispose the vacuum plating of high voltage electrode bar and external high-voltage DC power supply indoor, the high voltage electrode bar connects the negative pole of high-voltage DC power supply, positive source connect the plating locular wall after ground connection, the plating chamber charges into argon gas, apply 2000 3500 volts high-voltage electrode and the plating locular wall between, produce high-voltage argon gas glow discharge plasma, kept 5～10 minutes;
S2 evaporation plating aluminium film;
S3 soaks at the aluminium film and hangs up the oven dry of aspect oil.
On the basis of the above, can also the 1st step, add 10～22% nitrogen, or: add 10～22% nitrogen and 2～8% oxygen and participate in glow discharge.
Beneficial effect:
1, adopts high-voltage glow discharge to handle to mould the section surface to carry out the vacuum-evaporation film of aluminizing, can replace numerous and diverse, time-consuming expense electricity, consumptive material, the pre-treating technology of the upper base oil of pollution is arranged, can obtain the aluminium film firm with matrix bond.
2, former upper base oil is hung end oil, levelling from soaking, is dried by the fire in more than 3 hours consuming time, adopts high-voltage glow-discharge of the present invention only to handle and needs about 5～10 minutes.
3, upper base oil technology is influenced by quality and rare denseness, the ambient moisture of oil, the skill of soaking the operation of hanging end oil and levelling, baking condition etc., and the defective products rate is higher.Adopt simple, the control easily for the treatment of process of the present invention, yield rate can improve 20%.
4, a treatment process of the present invention short period of time is consumed some electricity, saves oil of the special-purpose end and the used a large amount of electricity of long time drying, can reduce cost 50%.
5, present method does not need to invest expensive ion source and supporting power supply thereof.
6, treatment process of the present invention can be eliminated the environmental pollution that upper base oil treatment method causes.
Description of drawings
Fig. 1 is vacuum resistance heating evaporation that the high-voltage glow discharge device the is installed equipment synoptic diagram of aluminizing.
Embodiment
Below in conjunction with accompanying drawing 1 explanation the present invention.
Implementing device structure of the present invention such as Fig. 1 shows, the high 2000mm of vacuum plating chamber 1 its diameter 1800mmX, the plating locular wall is 12, the bleeding point 13 outer vacuum units that connect vacuumize vacuum plating chamber 1, the axis of rotation 7 of work rest is on one side around the axis revolution of plating chamber, one side self rotation, it is equipped with the multilayer workpiece hanger, workpiece 8 dresses are hung thereon with its public affairs, rotation, the negative pole of high voltage electrode bar 2 and 6 external high-voltage DC power supplies 11,0～4000 volt of the voltage of this high-voltage power supply 11 is adjustable, power capacity 10KW, the positive pole of high-voltage power supply 11 connect plating locular wall 2 and ground connection, and negative pole connects high voltage electrode bar 2 and 6, many resistive heaters 4 in parallel between resistance heating wire's the battery lead rod 3 and 5, plating material fine aluminium silk (not shown) is on resistive heater 4, and the power supply 10 of battery lead rod 3 and 5 outer meeting resistance heating wires connects argons outside the inlet mouth 9, oxygen, sources of the gas such as nitrogen.
Of the present invention on plastics part the method embodiment one of vacuum evaporated aluminium film, may further comprise the steps:
Behind the plastic component surface that S1 cleans up it is inserted and glow discharge bombardment device is housed namely to dispose the vacuum plating of high voltage electrode bar and external high-voltage DC power supply indoor, power cathode connect the plating locular wall after ground connection, the plating chamber charges into argon gas, apply 2000 3500 volts high-voltage electrode and the plating locular wall between, kept 5～10 minutes;
S2 evaporation plating aluminium film;
S3 soaks at the aluminium film and hangs up the oven dry of aspect oil.
Working process of the present invention:
At first the plastics part dress is hung vacuum plating chamber on bull stick, allow workpiece revolve round the sun and rotation, close fire door.Startup vacuum unit vacuumizes vacuum plating chamber and reaches 10
4Pa, charge into argon gas to 0.8～8Pa then, open high-voltage DC power supply, output 2000V～3500V high-voltage, set up the electric field of 2000～3500V between high voltage electrode bar and the plating locular wall, plate indoor argon gas under the high-voltage electric field effect, argon gas produces glow discharge, and argon gas is ionized to and is argon plasma; This moment Dian source Zheng Ji plating Shi Bi Ti such as Li such as Ya Deng high voltage electrode Gan power cathode form power circuit, keep the indoor lasting high-voltage glow discharge of plating, high-octane argon plasma a fluid stream strikes that frosting causes that the frosting layer purifies, usefulness is transformed in modification (surperficial bonded state change) and little alligatoring into, has improved activity; Keep glow discharge and handled 5～10 minutes, close high-voltage DC power supply.Connect the resistance wire heating power supply afterwards, to the power supply of the big electric current of resistance wire, allow resistance wire moment heating produce high temperature by the resistance wire battery lead rod, flashing to aluminum metal steam around thereon aluminium wire, fly to the space, partly flying to workpiece surface is deposited as the aluminium film.Close heating power supply after finishing plated film, stop to vacuumize, atmosphere is filled in the plating chamber, the blow-on door takes out workpiece.According to arts demand, add an amount of nitrogen, oxygen simultaneously when feeding argon gas, more effectively make the frosting modification.
Embodiment two
During the difficult plated aluminum film of some plastic basis material and workpiece shape, can adopt argon nitrogen mixture gas high-voltage glow-discharge to handle, also namely in the step 1 of embodiment one, namely when feeding argon gas, add 10～22% nitrogen and carry out glow discharge and handle.
Embodiment three
Adopt argon nitrogen oxygen mixed gas high pressure brightness discharge process for the workpiece of more difficult plated aluminum film, also namely in the step 1 of embodiment one, namely when feeding argon gas, add 10～22% nitrogen and 2～8% oxygen and carry out glow discharge and handle.Can more effectively make the frosting modification like this, improve surfactivity, with and obtain in conjunction with the more firm vacuum-evaporation film of aluminizing.
The present invention can not obtain the aluminium film firm with matrix bond under the priming condition, and examine through customary performance test: 1) 100 degrees centigrade of boiling water boiled 1 hour; 2) hundred lattice test is namely scratched aluminum membranous layer with hundred lattice cuttves and is become 100 lattice link to each other dice, the stickily tear of usefulness appointment 3M gummed paper again.Two tests are all qualified.
The present invention has broken through the argon gas glow discharge pattern about 450 traditional～650V, overcome traditional thoughtcast, high-voltage argon gas glow discharge plasma about utilizing up to 3000 volts audaciously, an amount of adding nitrogen and oxygen participate in glow discharge simultaneously, frosting is carried out the bombardment of the degree of depth, obtained unexpected, unprecedented frosting glow discharge treatment effect.
Though do not adopt expensive ion source, reach the usefulness close with it: one comes effectively, and sputter clean purifies the surface; Two come the frosting macromolecular structure is produced modifying function, improve surfactivity, are conducive to be combined with metallic aluminium; Three have little alligatoring effect to the surface, are conducive to aluminium film mechanical snap reinforcing membrane/basic bonding force.Handle surface of plastic matrix through the glow discharge of high-voltage mixed gas, can obtain to be combined with plastic substrate firm vacuum evaporated aluminium film.This gives the credit to the effect that more high-voltage glow discharge obtains sufficiently high energy and the plasma body line of enough concentration too.The present invention is all effective to PC, PE, plastics such as PET, ABS commonly used.
Claims (3)
1. the method for a vacuum evaporated aluminium film on plastics part is characterized in that may further comprise the steps:
S1 cleans up behind the plastic component surface it is inserted and glow discharge bombardment device is housed namely to dispose the vacuum plating of high voltage electrode bar and external high-voltage DC power supply indoor, power cathode connect the plating locular wall after ground connection, the plating chamber charges into argon gas, apply 2000 3500 volts high-voltage electrode and the plating locular wall between, produce high-voltage argon gas glow discharge plasma, kept 5～10 minutes;
S2 evaporation plating aluminium film;
S3 soaks at the aluminium film and hangs up the oven dry of aspect oil.
According to claim 1 on plastics part the method for vacuum evaporated aluminium film, it is characterized in that: in step 1, add 10～22% nitrogen and participate in glow discharge.
According to claim 1 on plastics part the method for vacuum evaporated aluminium film, it is characterized in that: in step 1, add 10～22% nitrogen and 2～8% oxygen participate in glow discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101415375A CN103276354A (en) | 2013-04-22 | 2013-04-22 | Method for vacuum evaporating aluminium film on plastic workpiece |
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| CN2013101415375A CN103276354A (en) | 2013-04-22 | 2013-04-22 | Method for vacuum evaporating aluminium film on plastic workpiece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313545A (en) * | 2014-09-26 | 2015-01-28 | 马瑞利汽车零部件(芜湖)有限公司 | Storage rack of aluminizing machine |
| RU2556433C1 (en) * | 2013-12-26 | 2015-07-10 | Общество с ограниченной ответственностью ООО "Инновационно-промышленный комплекс "Беседы" | Method of reactive magnetron application of nano-sized oxide layer on substrate |
| CN105088148A (en) * | 2015-09-18 | 2015-11-25 | 南通联恒新材料有限公司 | Method of depositing aluminum film on plastic part by evaporation in vacuum |
| CN105603377A (en) * | 2016-02-23 | 2016-05-25 | 东莞市汇成真空科技有限公司 | Vacuum plating workpiece rotating stand motion mechanism allowing speed to be adjusted independently during revolution and autorotation |
| CN111229570A (en) * | 2020-01-10 | 2020-06-05 | 江苏顶品家居有限公司 | Method for coating multilayer film on one-step formed plate |
| CN111254397A (en) * | 2020-03-06 | 2020-06-09 | 上海良勤实业有限公司 | Sputtering aluminum plating system and process for car lamp decorative ring |
Citations (3)
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| CN1553767A (en) * | 2004-01-15 | 2004-12-08 | 北京东明化学工业有限公司 | Preparing method for surface electromagnetic screening membrane layer in plastic mobile shell |
| CN1991274A (en) * | 2005-12-28 | 2007-07-04 | 图布新 | Film plating method of solar stove panel |
| CN202347081U (en) * | 2011-11-30 | 2012-07-25 | 东莞星晖真空镀膜塑胶制品有限公司 | Vacuum coating machine capable of realizing high-pressure ion bombardment |
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2013
- 2013-04-22 CN CN2013101415375A patent/CN103276354A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553767A (en) * | 2004-01-15 | 2004-12-08 | 北京东明化学工业有限公司 | Preparing method for surface electromagnetic screening membrane layer in plastic mobile shell |
| CN1991274A (en) * | 2005-12-28 | 2007-07-04 | 图布新 | Film plating method of solar stove panel |
| CN202347081U (en) * | 2011-11-30 | 2012-07-25 | 东莞星晖真空镀膜塑胶制品有限公司 | Vacuum coating machine capable of realizing high-pressure ion bombardment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2556433C1 (en) * | 2013-12-26 | 2015-07-10 | Общество с ограниченной ответственностью ООО "Инновационно-промышленный комплекс "Беседы" | Method of reactive magnetron application of nano-sized oxide layer on substrate |
| CN104313545A (en) * | 2014-09-26 | 2015-01-28 | 马瑞利汽车零部件(芜湖)有限公司 | Storage rack of aluminizing machine |
| CN105088148A (en) * | 2015-09-18 | 2015-11-25 | 南通联恒新材料有限公司 | Method of depositing aluminum film on plastic part by evaporation in vacuum |
| CN105603377A (en) * | 2016-02-23 | 2016-05-25 | 东莞市汇成真空科技有限公司 | Vacuum plating workpiece rotating stand motion mechanism allowing speed to be adjusted independently during revolution and autorotation |
| CN105603377B (en) * | 2016-02-23 | 2018-06-08 | 东莞市汇成真空科技有限公司 | Revolution with rotation can each speed regulation vacuum coating equipment workpiece rotating frame motion |
| CN111229570A (en) * | 2020-01-10 | 2020-06-05 | 江苏顶品家居有限公司 | Method for coating multilayer film on one-step formed plate |
| CN111254397A (en) * | 2020-03-06 | 2020-06-09 | 上海良勤实业有限公司 | Sputtering aluminum plating system and process for car lamp decorative ring |
| CN111254397B (en) * | 2020-03-06 | 2022-02-11 | 上海良勤实业有限公司 | Sputtering aluminum plating system and process for car lamp decorative ring |
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Application publication date: 20130904 |