CN102980162B - Heat radiator containing vacuum-evaporated coating for LED (Light Emitting Diode) lamp and manufacture preparation method thereof - Google Patents
Heat radiator containing vacuum-evaporated coating for LED (Light Emitting Diode) lamp and manufacture preparation method thereof Download PDFInfo
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- CN102980162B CN102980162B CN201210539771.9A CN201210539771A CN102980162B CN 102980162 B CN102980162 B CN 102980162B CN 201210539771 A CN201210539771 A CN 201210539771A CN 102980162 B CN102980162 B CN 102980162B
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Abstract
The invention discloses a heat radiator containing a vacuum-evaporated coating for an LED (Light Emitting Diode) lamp and a manufacture preparation method thereof. The heat radiator comprises a substrate, wherein the substrate is coated with a first epoxy resin coating, a vacuum-aluminized coating and a second epoxy resin coating in sequence. According to the heat radiator containing the vacuum-evaporated coating for the LED lamp, by means of coating the epoxy resin coatings and the vacuum-aluminized coating on the substrate, the plastic substrate achieves obtains good insulativity and heat conduction and radiation property at the same timesimultaneously.
Description
Technical field
The present invention relates to polymeric material field, particularly relate to a kind of radiator that contains vacuum evaporation coating for LED lamp and preparation method thereof.
Background technology
LED radiator common used material generally includes metal material (aluminium), Inorganic Non-metallic Materials (diamond, pottery etc.) and polymer composite three major types.Though aluminum and aluminum alloy mateial heat conductivility is good, but big for environment pollution, insulating properties are poor, production cost is high, color is single, poor visual effect, if carry out, vacuum aluminum-coated operation more complicated production cost is higher can affect radiating effect simultaneously.Same ceramic heat sink is compared plastic tank radiators, exist weight large, batch the shortcomings such as heat conductivility difference is large, frangible, the complicated cost of ceramic vacuum aluminum plating process is high.
Summary of the invention
Based on this, the object of this invention is to provide a kind of radiator that contains vacuum evaporation coating for LED lamp.
A radiator for LED lamp containing vacuum evaporation coating, comprises base material, is coated with successively the first epoxy coating, vacuum aluminum-coated coating and the second epoxy coating on described base material.
In an embodiment, the thickness of described vacuum aluminum-coated coating is therein
In an embodiment, the thickness of described the first epoxy coating and the second epoxy coating is 0.04-0.06mm therein.
In an embodiment, on described the second epoxy coating, be also coated with color coating therein.
In an embodiment, described base material is macromolecule composite heat-conducting heat sink material therein.
In an embodiment, described macromolecule composite heat-conducting heat sink material is PP, PC, PBT, PC/ABS, ABS or PA therein.
The present invention also provides the above-mentioned preparation method who contains the radiator of vacuum evaporation coating for LED lamp.
Concrete technical scheme is as follows:
The above-mentioned preparation method who contains the radiator of vacuum evaporation coating for LED lamp, comprises the steps:
(1) base material destressing: base material is soaked in glacial acetic acid except destressing;
After plastic basis material injection moulding, there is stress, in order to prevent being out of shape after evaporation, with glacial acetic acid, soak and can remove base material stress.
The preparation of (2) first epoxy coatings: applying one deck epoxy resin with drenching oil machine except on the base material of destressing, forming the first epoxy coating after drying;
Epoxy coating effect: 1) because of substrate surface not steadily or have the place of defect, epoxy coating helps substrate surface Paint Gloss.2) aluminium can not Direct Electroplating to base material, easily come off, built on the sand.3) vacuum electric is aluminized and is plated to epoxy resin surface and contributes to external coating firm, and difficult drop-off strengthens the peel strength of coating.
(3) preparation of vacuum aluminum-coated coating: be 5 * 10 in vacuum
-2under Pa, aluminum steel is heated on the first epoxy coating that evaporation obtains in step (2), form vacuum aluminum-coated coating;
Vacuum aluminum-coated coating has splendid golden gloss, and this coating has good heat conduction and heat radiation.
The preparation of (4) second epoxy coatings: apply one deck epoxy resin in the vacuum aluminum-coated coating obtaining in step (3) by pouring oil machine, form the first epoxy coating after drying;
Through above-mentioned steps, obtain the described radiator that contains vacuum evaporation coating for LED lamp.
In an embodiment, the drying condition in described step (2) is therein: dry 3-4h for 80 ℃; Drying condition in described step (4) is 45 ℃ dries 1-2h.
In an embodiment, on described the second epoxy coating, be also coated with color coating therein.
Beneficial effect of the present invention:
The radiator that the present invention contains vacuum evaporation coating for LED lamp, by apply epoxy resins coating and vacuum aluminum-coated coating on base material, makes plastic basis material have good insulating properties and heat conduction and heat radiation concurrently simultaneously.The present invention can derive the heat on housing to be dispersed into air rapidly containing the radiator of vacuum evaporation coating for LED lamp, and the reliability of product is improved.In addition for LED lamp, containing the color coating of the spreader surface of vacuum evaporation coating, can be monochrome or colour mixture, such as gold, redness, silver color etc., can facilitate consumer according to liking selection.
Accompanying drawing explanation
Fig. 1 is that the present invention contains the heat spreader structures schematic diagram of vacuum evaporation coating for LED lamp.
Description of reference numerals:
200, base material; 201, the first epoxy coating; 202, vacuum aluminum-coated coating; 203, the second epoxy coating; 204, color coating.
The specific embodiment
By the following examples the present invention is further elaborated.
The present invention is raw materials used as follows:
Epoxy resin and epoxy resin diluent are purchased from Taiwan Bu Zhan enterprise stock Co., Ltd;
Base material: be macromolecule composite heat-conducting heat sink material, first-selection is PP, PC, PBT, PC/ABS, ABS or PA, uses the disposable injection molded of mould to make heat conduction and heat radiation plastic casing.
This base material can meet the vacuum aluminum-coated requirement to base material, has good heat resistance, anti-pressure ability is strong, caking property good, smooth surface, volatile matter are few.
With reference to figure 1, described in the present embodiment for LED lamp the radiator containing vacuum evaporation coating, comprise base material 200, on described base material, be coated with successively the first epoxy coating 201, vacuum aluminum-coated coating 202 and the second epoxy coating 203.
The thickness of described vacuum aluminum-coated coating 202 is
The thickness of described the first epoxy coating 201 and the second epoxy coating 203 is 0.05mm.
On described the second epoxy coating 203, be also coated with color coating 204.
The above-mentioned preparation method who contains the radiator of vacuum evaporation coating for LED lamp, comprises the steps:
(1) base material destressing: base material is soaked in glacial acetic acid except destressing;
After plastic basis material injection moulding, there is stress, in order to prevent being out of shape after evaporation, with glacial acetic acid, soak and can remove base material stress.
The preparation of (2) first epoxy coatings: applying one deck epoxy resin with drenching oil machine except on the base material of destressing, drying 3.5h for 80 ℃, forming the first epoxy coating after drying;
Wherein after used for epoxy resin epoxy resin diluent dilution, apply, can reduce the viscosity of curing system, increase mobility, extend raw material service life.
Epoxy coating effect: 1) because of substrate surface not steadily or have the place of defect, epoxy coating helps substrate surface Paint Gloss.2) aluminium can not Direct Electroplating to base material, easily come off, built on the sand.3) vacuum electric is aluminized and is plated to epoxy resin surface and contributes to external coating firm, and difficult drop-off strengthens the peel strength of coating.
(3) preparation of vacuum aluminum-coated coating: be 5 * 10 in vacuum
-2under Pa, on the first epoxy coating that the aluminum steel that is 99.99% heating evaporation obtains in step (2), form vacuum aluminum-coated coating by purity;
Vacuum aluminum-coated coating has splendid golden gloss, and this coating has good heat conduction and heat radiation.
The preparation of (4) second epoxy coatings: apply one deck epoxy resin in the vacuum aluminum-coated coating obtaining in step (3) by pouring oil machine, dry 1.5h for 45 ℃, form the first epoxy coating after drying;
(5) on the second epoxy coating, be also coated with color coating.
The present embodiment prepare for LED lamp containing the thermal conductivity factor of the radiator of vacuum evaporation coating between 1-1.5, temperature diffusivity is between 0.78-0.89.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1. the preparation method containing the radiator of vacuum evaporation coating for LED lamp, is characterized in that, comprises the steps:
(1) base material destressing: base material is soaked in glacial acetic acid except destressing;
The preparation of (2) first epoxy coatings: applying one deck epoxy resin with drenching oil machine except on the base material of destressing, forming the first epoxy coating after drying;
(3) preparation of vacuum aluminum-coated coating: be 5 * 10 in vacuum
-2under Pa, aluminum steel is heated on the first epoxy coating that evaporation obtains in step (2), form vacuum aluminum-coated coating;
The preparation of (4) second epoxy coatings: apply one deck epoxy resin in the vacuum aluminum-coated coating obtaining in step (3) by pouring oil machine, form the second epoxy coating after drying;
Through above-mentioned steps, obtain the described radiator that contains vacuum evaporation coating for LED lamp.
2. the preparation method who contains the radiator of vacuum evaporation coating for LED lamp according to claim 1, is characterized in that, the drying condition in described step (2) is: dry 3-4h for 80 ℃; Drying condition in described step (4) is 45 ℃ dries 1-2h.
3. according to the preparation method containing the radiator of vacuum evaporation coating for LED lamp described in claim 1-2 any one, it is characterized in that, on described the second epoxy coating, be also coated with color coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539771.9A CN102980162B (en) | 2012-12-13 | 2012-12-13 | Heat radiator containing vacuum-evaporated coating for LED (Light Emitting Diode) lamp and manufacture preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539771.9A CN102980162B (en) | 2012-12-13 | 2012-12-13 | Heat radiator containing vacuum-evaporated coating for LED (Light Emitting Diode) lamp and manufacture preparation method thereof |
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| Publication Number | Publication Date |
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| CN102980162A CN102980162A (en) | 2013-03-20 |
| CN102980162B true CN102980162B (en) | 2014-10-22 |
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| CN201210539771.9A Active CN102980162B (en) | 2012-12-13 | 2012-12-13 | Heat radiator containing vacuum-evaporated coating for LED (Light Emitting Diode) lamp and manufacture preparation method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100727483B1 (en) * | 2006-04-29 | 2007-06-13 | 주식회사 잉크테크 | Compositions for forming reflecting layer having organic silver complexes, and method for preparing reflecting layer using same |
| CN201820746U (en) * | 2010-09-15 | 2011-05-04 | 陈尧明 | Soft ceramic composite metal substrate |
| CN202166021U (en) * | 2011-08-11 | 2012-03-14 | 东莞巨扬电器邮箱公司 | Composite radiator |
| CN102517547B (en) * | 2011-12-26 | 2013-06-19 | 湖南省岩田新材料科技有限公司 | Method for plating aluminum film or aluminum-tin alloy film on surface of continuous aluminum rolling plate in vacuum gas phase sedimentation method |
| CN202546676U (en) * | 2012-02-01 | 2012-11-21 | 大连亮景光电有限公司 | LED (light emitting diode) lamp with radiating coating |
| CN203099739U (en) * | 2012-12-13 | 2013-07-31 | 珠海市远康企业有限公司 | Radiator provided with vacuum evaporation coating and used for LED lamp |
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