CN104789823A - Aluminum-based composite heat dissipation material for LED - Google Patents
Aluminum-based composite heat dissipation material for LED Download PDFInfo
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- CN104789823A CN104789823A CN201510168374.9A CN201510168374A CN104789823A CN 104789823 A CN104789823 A CN 104789823A CN 201510168374 A CN201510168374 A CN 201510168374A CN 104789823 A CN104789823 A CN 104789823A
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Abstract
The invention relates to an aluminum-based composite heat dissipation material for an LED. The aluminum-based composite heat dissipation material is prepared from raw materials in parts by mass as follows: 68-70 parts of aluminum, 8-12 parts of aluminum nitride, 3-5 parts of silicon nitride, 2-4 parts of boron nitride, 4-8 parts of niobium diselenide, 10-14 parts of cellulose, 4-8 parts of silicon carbide micro-powder, 2-6 parts of dimethyl itaconate, 2-4 parts of titanium sulfate, 2-6 parts of sodium carbonate,2-3 parts of zirconium oxide sol and 4-5 parts of an auxiliary, wherein the auxiliary is prepared from raw materials in parts by mass as follows: 3-6 parts of mineral oil, 12-14 parts of cryolite fine powder, 3-7 parts of zirconium acetate, 2-4 parts of citric acid, 6-10 parts of iron powder, 4-8 parts of copper powder and 2-6 parts of potassium fluoroaluminate. The aluminum-based composite heat dissipation material for the LED is firm, tough, high in environmental corrosion resistance capacity, not prone to corrosion and durable, and has good heat conduction and heat dissipation capacity; the surface is not prone to wear.
Description
Technical field
The invention belongs to LED technology field, be specifically related to a kind of LED aluminum-base composite heat sink material.
Background technology
At present, LED, as light source of new generation, has the advantages such as energy-saving and environmental protection, safety, less energy-consumption, high brightness, is widely used in daily life.In actual use, the heat dispersion of LED lamp itself is most important, because not only directly have influence on the work-ing life of light fixture, also can affect its illuminating effect.Existing LED heat sink material is mainly made up of the metallic substance such as aluminium, copper, there is the deficiencies such as cost limits, insulating property are not good in actual use, therefore the formula improving material is necessary, make the radiating effect that material reaches more good, improve the use properties of light fixture, extend its work-ing life.
Summary of the invention
The object of the present invention is to provide a kind of LED aluminum-base composite heat sink material, to improve LED material heat dispersion better, improve its work-ing life.
To achieve these goals, technical scheme of the present invention is as follows.
A kind of LED aluminum-base composite heat sink material, is made up of the raw material of following mass fraction: 68 ~ 70 parts, aluminium, aluminium nitride 8 ~ 12 parts, silicon nitride 3 ~ 5 parts, boron nitride 2 ~ 4 parts, two selenizing niobium 4 ~ 8 parts, Mierocrystalline cellulose 10 ~ 14 parts, silicon carbide micro-powder 4 ~ 8 parts, dimethyl itaconate 2 ~ 6 parts, titanium sulfate 2 ~ 4 parts, 2 ~ 6 parts, sodium carbonate, zirconia sol 2 ~ 3 parts, auxiliary agent 4 ~ 5 parts.
Described auxiliary agent is made up of the raw material of following mass parts: 3 ~ 6 parts, mineral oil, sodium aluminum fluoride fine powder 12 ~ 14 parts, zirconium acetate 3 ~ 7 parts, citric acid 2 ~ 4 parts, iron powder 6 ~ 10 parts, copper powder 4 ~ 8 parts, potassium fluoroaluminate 2 ~ 6 parts, the preparation method of this auxiliary agent is: be first dissolved in by citric acid in appropriate water, be mixed with the aqueous solution that concentration is 3 ~ 8%, and sodium aluminum fluoride fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 8 ~ 14h, dry, gained material mixes with other remaining component, and be heated to 30 ~ 40 DEG C, room temperature is cooled to after constant temperature dispersed with stirring 1 ~ 3h, material is ground to form 500 ~ 600 order fine powders again, obtain.
Above-mentioned LED aluminum-base composite heat sink material, its preparation method comprises following steps:
(1) first titanium sulfate, sodium carbonate, zirconia sol are dissolved in 10 ~ 16 times in the water of its total mass number, drop into Mierocrystalline cellulose subsequently, cryodrying after immersion 8 ~ 10h, by for subsequent use after gained material and dimethyl itaconate mixed grinding 4 ~ 5h;
(2), after step (1) gained material and other remaining component being uniformly mixed 1 ~ 2h, dropping into ball-milling processing in ball mill, make square hole sieve surplus≤0.1% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, with after the temperature of 600 ~ 700 DEG C sintering 4 ~ 6h under nitrogen or argon atmosphere, through naturally cooling to room temperature and get final product.
This beneficial effect of the invention is: comparatively conventional aluminum heat exchanging material combines aluminium on raw material, aluminium nitride, two selenizing niobiums, the advantage of the compositions such as silicon nitride, there is good heat conduction, heat-sinking capability, and utilize titanium sulfate, sodium carbonate, the mixing dilute solution of zirconia sol carries out immersion treatment to Mierocrystalline cellulose, improve its surface property, make it not only more easily compatible with other metal ingredient, the capacity of heat transmission can also be improved, auxiliary agent can improve the sintering character of mixing material, prevent material Thermal cracking, two selenizing niobiums have good oilness and resistance to abrasion, the consistency between raw material can be increased, improve grinding effect, auxiliary agent can improve the sintering character of mixing material, compact structure after mixing material is sintered, material of the present invention is firm tough, surface is not easy to wear, environmental corrosion resisting ability is strong, not easily corrosion, durable in use, possesses good heat conduction, heat-sinking capability.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described, better to understand the present invention.
embodiment 1
In the present embodiment LED aluminum-base composite heat sink material, be made up of the raw material of following mass fraction: 68 parts, aluminium, aluminium nitride 8 parts, silicon nitride 3 parts, boron nitride 2 parts, two selenizing niobium 4 parts, Mierocrystalline cellulose 10 parts, silicon carbide micro-powder 4 parts, dimethyl itaconate 2 parts, titanium sulfate 2 parts, 2 parts, sodium carbonate, zirconia sol 2 parts, auxiliary agent 4 parts.
Described auxiliary agent is made up of the raw material of following mass parts: 3 parts, mineral oil, sodium aluminum fluoride fine powder 12 parts, zirconium acetate 3 parts, citric acid 2 parts, iron powder 6 parts, copper powder 4 parts, potassium fluoroaluminate 2 parts, the preparation method of this auxiliary agent is: be first dissolved in by citric acid in appropriate water, be mixed with the aqueous solution that concentration is 3%, and sodium aluminum fluoride fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 8h, dry, gained material mixes with other remaining component, and be heated to 30 DEG C, room temperature is cooled to after constant temperature dispersed with stirring 1h, material is ground to form 500 order fine powders again, to obtain final product.
Above-mentioned LED aluminum-base composite heat sink material, its preparation method comprises following steps:
(1) first titanium sulfate, sodium carbonate, zirconia sol are dissolved in 10 times in the water of its total mass number, drop into Mierocrystalline cellulose subsequently, cryodrying after immersion 8h, by for subsequent use after gained material and dimethyl itaconate mixed grinding 4h;
(2), after step (1) gained material and other remaining component being uniformly mixed 1h, dropping into ball-milling processing in ball mill, make square hole sieve surplus≤0.1% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, with after the temperature of 600 DEG C sintering 6h under nitrogen or argon atmosphere, through naturally cooling to room temperature and get final product.
embodiment 2
LED in the present embodiment aluminum-base composite heat sink material, is made up of the raw material of following mass fraction: 69 parts, aluminium, aluminium nitride 10 parts, silicon nitride 4 parts, boron nitride 3 parts, two selenizing niobium 6 parts, Mierocrystalline cellulose 12 parts, silicon carbide micro-powder 6 parts, dimethyl itaconate 4 parts, titanium sulfate 3 parts, 4 parts, sodium carbonate, zirconia sol 2 parts, auxiliary agent 4 parts.
Described auxiliary agent is made up of the raw material of following mass parts: 5 parts, mineral oil, sodium aluminum fluoride fine powder 13 parts, zirconium acetate 5 parts, citric acid 3 parts, iron powder 8 parts, copper powder 6 parts, potassium fluoroaluminate 4 parts, the preparation method of this auxiliary agent is: be first dissolved in by citric acid in appropriate water, be mixed with the aqueous solution that concentration is 5%, and sodium aluminum fluoride fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 11h, dry, gained material mixes with other remaining component, and be heated to 35 DEG C, room temperature is cooled to after constant temperature dispersed with stirring 5h, material is ground to form 500 ~ 600 order fine powders again, to obtain final product.
Above-mentioned LED aluminum-base composite heat sink material, its preparation method comprises following steps:
(1) first titanium sulfate, sodium carbonate, zirconia sol are dissolved in 13 times in the water of its total mass number, drop into Mierocrystalline cellulose subsequently, cryodrying after immersion 9h, by for subsequent use after gained material and dimethyl itaconate mixed grinding 4.5h;
(2), after step (1) gained material and other remaining component being uniformly mixed 1.5h, dropping into ball-milling processing in ball mill, make square hole sieve surplus≤0.1% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, with after the temperature of 650 DEG C sintering 5h under nitrogen or argon atmosphere, through naturally cooling to room temperature and get final product.
embodiment 3
LED in the present embodiment aluminum-base composite heat sink material, is made up of the raw material of following mass fraction: 70 parts, aluminium, aluminium nitride 12 parts, silicon nitride 5 parts, boron nitride 4 parts, two selenizing niobium 8 parts, Mierocrystalline cellulose 14 parts, silicon carbide micro-powder 8 parts, dimethyl itaconate 6 parts, titanium sulfate 4 parts, 6 parts, sodium carbonate, zirconia sol 3 parts, auxiliary agent 5 parts.
Described auxiliary agent is made up of the raw material of following mass parts: 6 parts, mineral oil, sodium aluminum fluoride fine powder 14 parts, zirconium acetate 7 parts, citric acid 4 parts, iron powder 10 parts, copper powder 8 parts, potassium fluoroaluminate 6 parts, the preparation method of this auxiliary agent is: be first dissolved in by citric acid in appropriate water, be mixed with the aqueous solution that concentration is 8%, and sodium aluminum fluoride fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 8h, dry, gained material mixes with other remaining component, and be heated to 40 DEG C, room temperature is cooled to after constant temperature dispersed with stirring 3h, material is ground to form 600 order fine powders again, to obtain final product.
Above-mentioned LED aluminum-base composite heat sink material, its preparation method comprises following steps:
(1) first titanium sulfate, sodium carbonate, zirconia sol are dissolved in 16 times in the water of its total mass number, drop into Mierocrystalline cellulose subsequently, cryodrying after immersion 10h, by for subsequent use after gained material and dimethyl itaconate mixed grinding 5h;
(2), after step (1) gained material and other remaining component being uniformly mixed 2h, dropping into ball-milling processing in ball mill, make square hole sieve surplus≤0.1% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, with after the temperature of 700 DEG C sintering 6h under nitrogen or argon atmosphere, through naturally cooling to room temperature and get final product.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (3)
1. a LED aluminum-base composite heat sink material, is characterized in that: be made up of the raw material of following mass fraction: 68 ~ 70 parts, aluminium, aluminium nitride 8 ~ 12 parts, silicon nitride 3 ~ 5 parts, boron nitride 2 ~ 4 parts, two selenizing niobium 4 ~ 8 parts, Mierocrystalline cellulose 10 ~ 14 parts, silicon carbide micro-powder 4 ~ 8 parts, dimethyl itaconate 2 ~ 6 parts, titanium sulfate 2 ~ 4 parts, 2 ~ 6 parts, sodium carbonate, zirconia sol 2 ~ 3 parts, auxiliary agent 4 ~ 5 parts.
2. LED aluminum-base composite heat sink material according to claim 1, it is characterized in that: described auxiliary agent is made up of the raw material of following mass parts: 3 ~ 6 parts, mineral oil, sodium aluminum fluoride fine powder 12 ~ 14 parts, zirconium acetate 3 ~ 7 parts, citric acid 2 ~ 4 parts, iron powder 6 ~ 10 parts, copper powder 4 ~ 8 parts, potassium fluoroaluminate 2 ~ 6 parts, the preparation method of this auxiliary agent is: be first dissolved in by citric acid in appropriate water, be mixed with the aqueous solution that concentration is 3 ~ 8%, and sodium aluminum fluoride fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 8 ~ 14h, dry, gained material mixes with other remaining component, and be heated to 30 ~ 40 DEG C, room temperature is cooled to after constant temperature dispersed with stirring 1 ~ 3h, material is ground to form 500 ~ 600 order fine powders again, obtain.
3. LED aluminum-base composite heat sink material according to claim 1, is characterized in that: described LED aluminum-base composite heat sink material, and its preparation method comprises following steps:
(1) first titanium sulfate, sodium carbonate, zirconia sol are dissolved in 10 ~ 16 times in the water of its total mass number, drop into Mierocrystalline cellulose subsequently, cryodrying after immersion 8 ~ 10h, by for subsequent use after gained material and dimethyl itaconate mixed grinding 4 ~ 5h;
(2), after step (1) gained material and other remaining component being uniformly mixed 1 ~ 2h, dropping into ball-milling processing in ball mill, make square hole sieve surplus≤0.1% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, with after the temperature of 600 ~ 700 DEG C sintering 4 ~ 6h under nitrogen or argon atmosphere, through naturally cooling to room temperature and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510168374.9A CN104789823A (en) | 2015-04-12 | 2015-04-12 | Aluminum-based composite heat dissipation material for LED |
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| CN201510168374.9A CN104789823A (en) | 2015-04-12 | 2015-04-12 | Aluminum-based composite heat dissipation material for LED |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371253A (en) * | 2015-11-24 | 2016-03-02 | 安徽亿民照明股份有限公司 | LED radiator and press forming process thereof |
| CN105698255A (en) * | 2016-01-25 | 2016-06-22 | 中山昊天节能科技有限公司 | Air energy warmer with temperature monitoring function |
| CN105820434A (en) * | 2016-04-19 | 2016-08-03 | 安徽路明光电科技有限公司 | LED (light-emitting diode) lamp cooling material and production process thereof |
| CN106190053A (en) * | 2016-07-15 | 2016-12-07 | 刘振德 | A kind of Heat Conduction Material and its preparation method and application |
| CN106196460A (en) * | 2016-07-20 | 2016-12-07 | 广东网域科技有限公司 | A kind of air-purifying exchanger |
| CN106498315A (en) * | 2016-12-16 | 2017-03-15 | 苏州耐思特塑胶有限公司 | A kind of preparation method and application of composite material |
| CN107833965A (en) * | 2017-12-22 | 2018-03-23 | 刘�东 | A kind of high power LED device heat-radiating substrate material |
| CN107868656A (en) * | 2016-09-26 | 2018-04-03 | 罗宇晴 | The constituent and its manufacture method of heat conduction aluminum material |
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| JP2006063400A (en) * | 2004-08-27 | 2006-03-09 | Akebono Brake Res & Dev Center Ltd | Aluminum-based composite material |
| CN102617927A (en) * | 2012-02-17 | 2012-08-01 | 许永信 | New material for reducing LED junction temperature and preparation method thereof |
| CN104073696A (en) * | 2014-07-08 | 2014-10-01 | 安徽艳阳电气集团有限公司 | High-stability aluminum-base composite heat radiating material for LED |
| CN104195377A (en) * | 2014-07-22 | 2014-12-10 | 安徽冠宇光电科技有限公司 | Corrosion-resistant and abrasion-resistant aluminum base composite heat dissipating material for LED |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006063400A (en) * | 2004-08-27 | 2006-03-09 | Akebono Brake Res & Dev Center Ltd | Aluminum-based composite material |
| CN102617927A (en) * | 2012-02-17 | 2012-08-01 | 许永信 | New material for reducing LED junction temperature and preparation method thereof |
| CN104073696A (en) * | 2014-07-08 | 2014-10-01 | 安徽艳阳电气集团有限公司 | High-stability aluminum-base composite heat radiating material for LED |
| CN104195377A (en) * | 2014-07-22 | 2014-12-10 | 安徽冠宇光电科技有限公司 | Corrosion-resistant and abrasion-resistant aluminum base composite heat dissipating material for LED |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371253A (en) * | 2015-11-24 | 2016-03-02 | 安徽亿民照明股份有限公司 | LED radiator and press forming process thereof |
| CN105698255A (en) * | 2016-01-25 | 2016-06-22 | 中山昊天节能科技有限公司 | Air energy warmer with temperature monitoring function |
| CN105820434A (en) * | 2016-04-19 | 2016-08-03 | 安徽路明光电科技有限公司 | LED (light-emitting diode) lamp cooling material and production process thereof |
| CN106190053A (en) * | 2016-07-15 | 2016-12-07 | 刘振德 | A kind of Heat Conduction Material and its preparation method and application |
| CN106196460A (en) * | 2016-07-20 | 2016-12-07 | 广东网域科技有限公司 | A kind of air-purifying exchanger |
| CN107868656A (en) * | 2016-09-26 | 2018-04-03 | 罗宇晴 | The constituent and its manufacture method of heat conduction aluminum material |
| CN106498315A (en) * | 2016-12-16 | 2017-03-15 | 苏州耐思特塑胶有限公司 | A kind of preparation method and application of composite material |
| CN107833965A (en) * | 2017-12-22 | 2018-03-23 | 刘�东 | A kind of high power LED device heat-radiating substrate material |
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Application publication date: 20150722 |