CN104178708A - Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED - Google Patents
Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED Download PDFInfo
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- CN104178708A CN104178708A CN201410349532.6A CN201410349532A CN104178708A CN 104178708 A CN104178708 A CN 104178708A CN 201410349532 A CN201410349532 A CN 201410349532A CN 104178708 A CN104178708 A CN 104178708A
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Abstract
The invention relates to a lamp heat dissipating material, in particular to an aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for an LED and a production method thereof. The heat dissipating material comprises the following raw materials in parts by weight: 8-10 parts of aluminum nitride, 2-4 parts of hexahydrophthalic anhydride, 12-14 parts of silica powder, 6-8 parts of alkali-free glass fibers, 1-3 parts of lithium manganese phosphate, 70-72 parts of aluminum powder, 10-12 parts of copper powder, 8-9 parts of nanometer zinc oxide, 1-3 parts of isocaprylic acid, 4-5 parts of magnesium chloride, and 4-5 parts of assistants. The heat dissipating material integrates the advantages of such components as aluminum, aluminum nitride and silica powder, and has excellent heat conductivity and insulating performance; a magnesium chloride dilute solution is used for soaking treatment of the alkali-free glass fibers, so that the alkali-free glass fibers are more easily compatible with metal components, and the heat conductivity is improved; the assistants can improve the sintering performance of the mixed material and shorten the sintering time; and the heat dissipating material has the advantages of compact structure, light mass, safety, durability and high heat transmittance, and can effectively protect an LED lamp and prolong the service life of the lamp.
Description
Technical field
The present invention relates to light fixture heat sink material, be specifically related to aluminum-base composite heat sink material and production method thereof containing modification alkali free glass fibre for a kind of LED.
Background technology
LED be called as the 4th generation light source, there is the advantages such as energy-saving and environmental protection, safety, less energy-consumption, high brightness, be widely used in daily life, the heat dispersion of LED lamp body itself is most important, directly has influence on work-ing life and the illuminating effect of light fixture.Existing LED heat sink material is mainly to be made by metallic substance such as aluminium, copper, there is in actual use the shortcomings such as cost restriction, insulating property be inadequate, so formula of necessary improvement material, make material reach more good radiating effect, the use properties of improving light fixture, increases the service life.
Summary of the invention
The object of the invention is to, the aluminum-base composite heat sink material containing modification alkali free glass fibre for a kind of LED is provided, to improve the heat dispersion of material, extend the work-ing life of LED light fixture, to achieve these goals, the technical solution used in the present invention is as follows:
Aluminum-base composite heat sink material containing modification alkali free glass fibre for a kind of LED, it is characterized in that, material of the present invention is made by the raw material of following weight part: aluminium nitride 8-10, hexahydro phthalic anhydride 2-4, silicon powder 12-14, alkali free glass fibre 6-8, lithium manganese phosphate 1-3, aluminium powder 70-72, copper powder 10-12, nano zine oxide 8-9, isocaprylic acid 1-3, magnesium chloride 4-5, auxiliary agent 4-5.
Described auxiliary agent is made by the raw material of following weight part: butyl stearate 4-5, fluorite fine powder 15-18, zirconium acetate 4-5, oxyacetic acid 1-2, iron powder 5-8, potassium fluoroaluminate 6-8, preparation method is: first oxyacetic acid is dissolved in appropriate water, be mixed with the aqueous solution that concentration is 4-5%, and fluorite fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 10-12h, be washed to neutral rear dry, gained material mixes with other remaining component, and be heated to 40-50 ℃, after constant temperature dispersed with stirring 2-3h, be cooled to room temperature, again material is ground to form to 400-500 order fine powder, obtain.
The described aluminum-base composite heat sink material containing modification alkali free glass fibre for a kind of LED, its manufacture craft comprises following steps:
(1) first magnesium chloride is dissolved in to 5 times in the water of its weight part, and alkali free glass fibre is dropped in solution, cryodrying after immersion 10-12h, gained material is standby;
(2) step (1) gained material and other remaining component are uniformly mixed after 2-3h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, under nitrogen atmosphere with after the temperature sintering 4-6h of 650-700 ℃, through naturally cooling to room temperature and get final product.
The invention has the advantages that: compared with conventional aluminum heat exchanging material, on raw material, combine aluminium, aluminium nitride, silicon powder, the advantage of the compositions such as copper powder, have good heat conduction and insulating property concurrently, and utilize magnesium chloride dilute solution to carry out immersion treatment to alkali free glass fibre, make itself and metal ingredient more easily compatible, improve its capacity of heat transmission simultaneously, auxiliary agent can improve the sintering character of mixing material, shorten sintering time, the heat sink material compact structure that the present invention prepares, light weight safety, durable in use, hot transmitance is high, can effectively protect LED light fixture, greatly extend the work-ing life of light fixture.
Embodiment
Embodiment
The present embodiment LED heat sink material is made by following weight part raw material: aluminium nitride 10, hexahydro phthalic anhydride 4, silicon powder 14, alkali free glass fibre 8, lithium manganese phosphate 3, aluminium powder 72, copper powder 10, nano zine oxide 8, isocaprylic acid 2, magnesium chloride 4, auxiliary agent 5.
Described auxiliary agent is made by the raw material of following weight part: butyl stearate 5, fluorite fine powder 18, zirconium acetate 5, oxyacetic acid 2, iron powder 8, potassium fluoroaluminate 6, preparation method is: first oxyacetic acid is dissolved in appropriate water, be mixed with concentration and be 5% the aqueous solution, and fluorite fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 12h, be washed to neutral rear dry, gained material mixes with other remaining component, and be heated to 40-50 ℃, after constant temperature dispersed with stirring 3h, be cooled to room temperature, again material is ground to form to 500 order fine powders, obtain.
The described aluminum-base composite heat sink material containing modification alkali free glass fibre for a kind of LED, its manufacture craft comprises following steps:
(1) first magnesium chloride is dissolved in to 5 times in the water of its weight part, and alkali free glass fibre is dropped in solution, cryodrying after immersion 12h, gained material is standby;
(2) step (1) gained material and other remaining component are uniformly mixed after 3h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, under nitrogen atmosphere with after the temperature sintering 6h of 650-700 ℃, through naturally cooling to room temperature and get final product.
The more conventional LED of the prepared heat sink material of the present embodiment improves 21.6% with the thermal conductivity of the more conventional aluminium base heat sink material of heat sink material, and thermal diffusivity improves 24.8%, heat balance time shorten in average 152min, and light fixture improves 25.5% work-ing life.
Claims (2)
1. the aluminum-base composite heat sink material containing modification alkali free glass fibre for a LED, it is characterized in that, this heat radiation is made by the raw material of following weight part: aluminium nitride 8-10, hexahydro phthalic anhydride 2-4, silicon powder 12-14, alkali free glass fibre 6-8, lithium manganese phosphate 1-3, aluminium powder 70-72, copper powder 10-12, nano zine oxide 8-9, isocaprylic acid 1-3, magnesium chloride 4-5, auxiliary agent 4-5;
Described auxiliary agent is made by the raw material of following weight part: butyl stearate 4-5, fluorite fine powder 15-18, zirconium acetate 4-5, oxyacetic acid 1-2, iron powder 5-8, potassium fluoroaluminate 6-8, preparation method is: first oxyacetic acid is dissolved in appropriate water, be mixed with the aqueous solution that concentration is 4-5%, and fluorite fine powder is dropped in solution, dispersed with stirring is filtered after evenly soaking 10-12h, be washed to neutral rear dry, gained material mixes with other remaining component, and be heated to 40-50 ℃, after constant temperature dispersed with stirring 2-3h, be cooled to room temperature, again material is ground to form to 400-500 order fine powder, obtain.
2. a kind of LED use as claimed in claim 1 is containing the aluminum-base composite heat sink material of modification alkali free glass fibre, and its production method is as follows:
(1) first magnesium chloride is dissolved in to 5 times in the water of its weight part, and alkali free glass fibre is dropped in solution, cryodrying after immersion 10-12h, gained material is standby;
(2) step (1) gained material and other remaining component are uniformly mixed after 2-3h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus≤0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, under nitrogen atmosphere with after the temperature sintering 4-6h of 650-700 ℃, through naturally cooling to room temperature and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410349532.6A CN104178708A (en) | 2014-07-22 | 2014-07-22 | Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED |
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| CN201410349532.6A CN104178708A (en) | 2014-07-22 | 2014-07-22 | Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED |
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| CN201410349532.6A Pending CN104178708A (en) | 2014-07-22 | 2014-07-22 | Aluminum-based composite heat dissipating material containing modified alkali-free glass fibers for LED |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180679A (en) * | 2016-08-11 | 2016-12-07 | 安徽波浪岛游乐设备有限公司 | A kind of LED-baseplate composite heat dissipation material and production method thereof |
| CN107099759A (en) * | 2017-03-18 | 2017-08-29 | 华南理工大学 | A kind of silicon dioxide fibre reinforced aluminum matrix composites and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009018319A (en) * | 2007-07-10 | 2009-01-29 | Denki Kagaku Kogyo Kk | Aluminum-ceramic composite body and its manufacturing method |
| JP2009248164A (en) * | 2008-04-09 | 2009-10-29 | Denki Kagaku Kogyo Kk | Aluminum-graphite-silicon carbide composite and manufacturing method thereof |
| CN202166026U (en) * | 2011-08-03 | 2012-03-14 | 南京华鼎电子有限公司 | Combined heat dissipation structure of LED (light-emitting diode) lighting lamp |
| JP2012091959A (en) * | 2010-10-26 | 2012-05-17 | Denki Kagaku Kogyo Kk | Method for manufacturing aluminum-ceramic composite structural component |
| CN102615873A (en) * | 2012-03-07 | 2012-08-01 | 华中科技大学 | Method for preparing non-porcelain insulating heat conduction materials at low temperature |
| CN103435352A (en) * | 2013-08-02 | 2013-12-11 | 无锡洛能科技有限公司 | High-hardness, high-heat-dissipation and low-expansion aluminum-base ceramic composite and preparation method thereof |
-
2014
- 2014-07-22 CN CN201410349532.6A patent/CN104178708A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009018319A (en) * | 2007-07-10 | 2009-01-29 | Denki Kagaku Kogyo Kk | Aluminum-ceramic composite body and its manufacturing method |
| JP2009248164A (en) * | 2008-04-09 | 2009-10-29 | Denki Kagaku Kogyo Kk | Aluminum-graphite-silicon carbide composite and manufacturing method thereof |
| JP2012091959A (en) * | 2010-10-26 | 2012-05-17 | Denki Kagaku Kogyo Kk | Method for manufacturing aluminum-ceramic composite structural component |
| CN202166026U (en) * | 2011-08-03 | 2012-03-14 | 南京华鼎电子有限公司 | Combined heat dissipation structure of LED (light-emitting diode) lighting lamp |
| CN102615873A (en) * | 2012-03-07 | 2012-08-01 | 华中科技大学 | Method for preparing non-porcelain insulating heat conduction materials at low temperature |
| CN103435352A (en) * | 2013-08-02 | 2013-12-11 | 无锡洛能科技有限公司 | High-hardness, high-heat-dissipation and low-expansion aluminum-base ceramic composite and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180679A (en) * | 2016-08-11 | 2016-12-07 | 安徽波浪岛游乐设备有限公司 | A kind of LED-baseplate composite heat dissipation material and production method thereof |
| CN107099759A (en) * | 2017-03-18 | 2017-08-29 | 华南理工大学 | A kind of silicon dioxide fibre reinforced aluminum matrix composites and preparation method thereof |
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