CN104195375B - A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber - Google Patents
A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber Download PDFInfo
- Publication number
- CN104195375B CN104195375B CN201410349525.6A CN201410349525A CN104195375B CN 104195375 B CN104195375 B CN 104195375B CN 201410349525 A CN201410349525 A CN 201410349525A CN 104195375 B CN104195375 B CN 104195375B
- Authority
- CN
- China
- Prior art keywords
- heat sink
- sodium
- sink material
- aluminum
- containing modified
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
Abstract
The present invention relates to light fixture heat sink material, being specifically related to a kind of LED the aluminum-base composite heat sink material containing modified bamboo fiber and production method thereof, this heat sink material is made up of the raw material of following weight portion: aluminum 70 75, aluminium nitride 14 15, carborundum 68, bamboo fibre 15 18, disodium hydrogen phosphate 23, sodium tetraborate 13, sodium formate 0.3 0.4, sodium acetate 0.1 0.2, sodium lignin sulfonate 12, sodium sulfate 12, glyceryl monostearate 23, brown sugar 35, auxiliary agent 45；The advantage that the heat sink material of the present invention combines the compositions such as aluminum, aluminium nitride, carborundum; the mixing weak solution simultaneously utilizing the composition such as disodium hydrogen phosphate, sodium tetraborate carries out immersion treatment to bamboo fibre; improve the compatibility with other composition, reduce production cost, the heat sink material that the present invention prepares is prone to molding; compact structure after sintering; smooth surface, dielectric constant is big, durable in use; good heat-sinking capability can be effectively protected LED chip, extends the service life of light fixture.
Description
Technical field
The present invention relates to light fixture heat sink material, be specifically related to a kind of LED the aluminum-base composite heat sink material containing modified bamboo fiber and production method thereof.
Background technology
LED is referred to as forth generation light source, has the advantages such as energy-saving and environmental protection, safety, low energy consumption, high brightness, is widely used in daily life, and the heat dispersion of LED lamp itself is most important, directly influences service life and the illuminating effect of light fixture.Existing LED heat sink material is mainly made up of the metal material such as aluminum, copper, exist in actual use cost limit, the insulating properties shortcoming such as not, the formula of the most necessary improvement material, make material reach the best radiating effect, improve the serviceability of light fixture, increase the service life.
Summary of the invention
It is an object of the invention to, it is provided that a kind of LED aluminum-base composite heat sink material containing modified bamboo fiber, to improve the heat dispersion of material, reduce production cost, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber, it is characterized in that, material of the present invention is made up of the raw material of following weight portion: aluminum 70-75, aluminium nitride 14-15, carborundum 6-8, bamboo fibre 15-18, disodium hydrogen phosphate 2-3, sodium tetraborate 1-3, sodium formate 0.3-0.4, sodium acetate 0.1-0.2, sodium lignin sulfonate 1-2, sodium sulfate 1-2, glyceryl monostearate 2-3, brown sugar 3-5, auxiliary agent 4-5.
Described auxiliary agent is made up of the raw material of following weight portion: butyl stearate 4-5, fluorite fine powder 15-18, zirconium acetate 4-5, glycolic 1-2, iron powder 5-8, potassium fluoroaluminate 6-8, preparation method is: be first dissolved in by glycolic in appropriate water, it is configured to the aqueous solution that concentration is 4-5%, and fluorite fine powder is put in solution, dispersed with stirring filters after uniformly soaking 10-12h, it is dried after being washed to neutrality, gained material mixes with other residual components, and it is heated to 40-50 DEG C, it is cooled to room temperature after constant temperature dispersed with stirring 2-3h, material is ground to form 400-500 mesh fine powder again, obtain.
The described a kind of LED aluminum-base composite heat sink material containing modified bamboo fiber, its production method comprises the steps of
(1) first disodium hydrogen phosphate, sodium tetraborate, sodium formate, sodium acetate, sodium lignin sulfonate being dissolved in the water of 10 times of its weight portions total, and bamboo fibre puts into cold drying after immersion 10-12h in solution, gained material is standby；
(2), after step (1) gained material being mixed 2-3h with the stirring of other residual components, put into ball-milling treatment in ball mill, make 10000-hole sieve surplus≤0.05% of gained material；
(3) material of step (2) gained is sent in mould compressing, after sintering 4-6h with the temperature of 650-700 DEG C under nitrogen atmosphere, through naturally cooling to room temperature and get final product.
It is an advantage of the current invention that: relatively conventional aluminum heat exchanging material combines aluminum on raw material, aluminium nitride, the advantage of the compositions such as carborundum, possess good heat conduction and heat-sinking capability, simultaneously in order to improve the serviceability of bamboo fibre, utilize disodium hydrogen phosphate, sodium tetraborate, sodium formate, sodium acetate, the mixing weak solution of sodium lignin sulfonate carries out immersion treatment to it, improve the compatibility of it and other composition, reduce production cost, auxiliary agent can improve the sintering character of mixing material, shorten sintering time, the heat sink material that the present invention prepares is prone to molding, compact structure after sintering, smooth surface, dielectric constant is big, durable in use, good heat-sinking capability can be effectively protected LED chip, extend the service life of light fixture.
Detailed description of the invention
Embodiment
The present embodiment LED heat sink material is made up of following raw material: aluminum 75, aluminium nitride 15, carborundum 8, bamboo fibre 18, disodium hydrogen phosphate 2, sodium tetraborate 3, sodium formate 0.3, sodium acetate 0.2, sodium lignin sulfonate 2, sodium sulfate 2, glyceryl monostearate 2, brown sugar 5, auxiliary agent 5.
Described auxiliary agent is made up of the raw material of following weight portion: butyl stearate 5, fluorite fine powder 18, zirconium acetate 5, glycolic 2, iron powder 8, potassium fluoroaluminate 6, preparation method is: be first dissolved in by glycolic in appropriate water, it is configured to the aqueous solution that concentration is 5%, and fluorite fine powder is put in solution, dispersed with stirring filters after uniformly soaking 12h, it is dried after being washed to neutrality, gained material mixes with other residual components, and it is heated to 40-50 DEG C, it is cooled to room temperature after constant temperature dispersed with stirring 3h, material is ground to form 500 mesh fine powders again, to obtain final product.
The described a kind of LED aluminum-base composite heat sink material containing modified bamboo fiber, its production method comprises the steps of
(1) first disodium hydrogen phosphate, sodium tetraborate, sodium formate, sodium acetate, sodium lignin sulfonate being dissolved in the water of 10 times of its weight portions total, and bamboo fibre puts into cold drying after immersion 12h in solution, gained material is standby；
(2), after step (1) gained material being mixed 3h with the stirring of other residual components, put into ball-milling treatment in ball mill, make 10000-hole sieve surplus≤0.05% of gained material；
(3) material of step (2) gained is sent in mould compressing, after sintering 6h with the temperature of 650-700 DEG C under nitrogen atmosphere, through naturally cooling to room temperature and get final product.
The heat conductivity of the heat sink material more conventional LED heat sink material more conventional aluminum base heat sink material obtained by the present embodiment improves 26.2%, and thermal diffusivity improves 27.3%, and heat balance time averagely shortens 150min, and light fixture improves 28.3% service life.
Claims (1)
1. a LED aluminum-base composite heat sink material containing modified bamboo fiber, it is characterized in that, this heat sink material is made up of the raw material of following weight portion: aluminum 70-75, aluminium nitride 14-15, carborundum 6-8, bamboo fibre 15-18, disodium hydrogen phosphate 2-3, sodium tetraborate 1-3, sodium formate 0.3-0.4, sodium acetate 0.1-0.2, sodium lignin sulfonate 1-2, sodium sulfate 1-2, glyceryl monostearate 2-3, brown sugar 3-5, auxiliary agent 4-5；
Described auxiliary agent is made up of the raw material of following weight portion: butyl stearate 4-5, fluorite fine powder 15-18, zirconium acetate 4-5, glycolic 1-2, iron powder 5-8, potassium fluoroaluminate 6-8, preparation method is: be first dissolved in by glycolic in appropriate water, it is configured to the aqueous solution that concentration is 4-5%, and fluorite fine powder is put in solution, dispersed with stirring filters after uniformly soaking 10-12h, it is dried after being washed to neutrality, gained material mixes with other residual components, and it is heated to 40-50 DEG C, it is cooled to room temperature after constant temperature dispersed with stirring 2-3h, material is ground to form 400-500 mesh fine powder again, obtain；
Described LED is as follows by the production method of the aluminum-base composite heat sink material containing modified bamboo fiber:
(1) first disodium hydrogen phosphate, sodium tetraborate, sodium formate, sodium acetate, sodium lignin sulfonate being dissolved in the water of 10 times of its weight portions total, and bamboo fibre puts into cold drying after immersion 10-12h in solution, gained material is standby；
(2), after step (1) gained material being mixed 2-3h with the stirring of other residual components, put into ball-milling treatment in ball mill, make 10000-hole sieve surplus≤0.05% of gained material；
(3) material of step (2) gained is sent in mould compressing, after sintering 4-6h with the temperature of 650-700 DEG C under nitrogen atmosphere, through naturally cooling to room temperature and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349525.6A CN104195375B (en) | 2014-07-22 | 2014-07-22 | A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349525.6A CN104195375B (en) | 2014-07-22 | 2014-07-22 | A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104195375A CN104195375A (en) | 2014-12-10 |
| CN104195375B true CN104195375B (en) | 2016-08-24 |
Family
ID=52080737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410349525.6A Active CN104195375B (en) | 2014-07-22 | 2014-07-22 | A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104195375B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585788B (en) * | 2015-11-24 | 2018-01-12 | 杭州杭复新材料科技有限公司 | A kind of reticulated thermoplastic's heat-conduction electric insulation composite material radiator structure |
| CN105524423B (en) * | 2015-11-24 | 2017-11-07 | 合复新材料科技(无锡)有限公司 | A kind of cellular thermosetting heat-conduction electric insulation composite material radiator structure |
| CN105924888A (en) * | 2016-04-19 | 2016-09-07 | 安徽路明光电科技有限公司 | Mainboard for LED lamp and production process thereof |
| CN107761017B (en) * | 2017-10-09 | 2019-12-20 | 青海大学 | Lightweight aluminum bamboo/carbon composite material and preparation method and application thereof |
| CN111961994A (en) * | 2020-09-03 | 2020-11-20 | 王思记 | Explosion suppression aluminum-titanium pipe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134759A (en) * | 1976-09-01 | 1979-01-16 | The Research Institute For Iron, Steel And Other Metals Of The Tohoku University | Light metal matrix composite materials reinforced with silicon carbide fibers |
| JP2002128044A (en) * | 2000-10-30 | 2002-05-09 | Taiheiyo Cement Corp | Electronic component housing tray |
| CN101864532A (en) * | 2010-05-17 | 2010-10-20 | 盐城市赛瑞特半导体照明有限公司 | Superconductive aluminum-based alloy for LED heat dissipation device |
| CN103014396A (en) * | 2012-12-05 | 2013-04-03 | 安徽徽铝铝业有限公司 | Preparation method of refining agent used for smelting aluminium alloy sections |
-
2014
- 2014-07-22 CN CN201410349525.6A patent/CN104195375B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4134759A (en) * | 1976-09-01 | 1979-01-16 | The Research Institute For Iron, Steel And Other Metals Of The Tohoku University | Light metal matrix composite materials reinforced with silicon carbide fibers |
| JP2002128044A (en) * | 2000-10-30 | 2002-05-09 | Taiheiyo Cement Corp | Electronic component housing tray |
| CN101864532A (en) * | 2010-05-17 | 2010-10-20 | 盐城市赛瑞特半导体照明有限公司 | Superconductive aluminum-based alloy for LED heat dissipation device |
| CN103014396A (en) * | 2012-12-05 | 2013-04-03 | 安徽徽铝铝业有限公司 | Preparation method of refining agent used for smelting aluminium alloy sections |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104195375A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104195375B (en) | A kind of LED aluminum-base composite heat sink material containing modified bamboo fiber | |
| CN104178664A (en) | Aluminum-based composite heat dissipating material of copper-contained anode mud for LED | |
| CN104195378A (en) | LED aluminum-base composite heat dissipation material with high thermal conductivity and high thermal stability | |
| CN104164596A (en) | LED aluminum-based composite heat-dissipating material containing modified fly ash | |
| CN104152751B (en) | A kind of LED aluminum-base composite heat sink material containing modified potassium titanate crystal whisker | |
| CN104073696A (en) | High-stability aluminum-base composite heat radiating material for LED | |
| CN104141069B (en) | A kind of LED low thermal resistance aluminum-base composite heat sink material | |
| CN104073695B (en) | The aluminum-base composite heat sink material of a kind of LED doping neodymium oxide | |
| CN104087793B (en) | A kind of LED high heat transfer aluminum-base composite heat sink material | |
| CN104087794B (en) | A kind of LED enhanced activity aluminum-base composite heat sink material | |
| CN104164595A (en) | An aluminum-based composite heat dissipation material with good optical properties for LEDs | |
| CN104073694A (en) | High-heat conductivity temperature-resistant aluminum-based composite radiating material for LED (Light-Emitting Diode) | |
| CN104073692A (en) | Thermally conductive and insulating aluminum base compound radiating material for LED | |
| CN104152756A (en) | Aluminum-based composite heat radiating material containing modified bentonite for LED (Light-emitting Diode) | |
| CN104711466A (en) | Silver powder-containing aluminum-based composite heat dissipating material for high-thermal-conductivity LED | |
| CN104141074A (en) | Aluminum-based compound radiating material containing modified mullite powder for LED | |
| CN104087792A (en) | Insulating temperature-resisting aluminum-based composite heat dispersing material for light emitting diode (LED) | |
| CN106048326A (en) | LED substrate lightweight heat radiation material and production method thereof | |
| CN104178708A (en) | Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED | |
| CN104152753B (en) | A kind of LED aluminum-base composite heat sink material containing modified tree ash | |
| CN104141071B (en) | A kind of LED aluminum-base composite heat sink material containing modified forsterite | |
| CN104164631B (en) | A kind of LED aluminum-base composite heat sink material containing modified alumina silicate fibre | |
| CN104073693A (en) | Low-cost dense aluminum based composite radiating material for LED | |
| CN104141073A (en) | Modified magnesium carbonate containing aluminum-based composite heat dissipating material for LED (Light Emitting Diode) | |
| CN104152754B (en) | Aluminum-based composite heat radiation material containing modified aluminum nitride for LED (light-emitting diode) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |