CN105086461A - Composite heat conductive material for LEDs - Google Patents
Composite heat conductive material for LEDs Download PDFInfo
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- CN105086461A CN105086461A CN201510638724.3A CN201510638724A CN105086461A CN 105086461 A CN105086461 A CN 105086461A CN 201510638724 A CN201510638724 A CN 201510638724A CN 105086461 A CN105086461 A CN 105086461A
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- heat conductive
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- composite heat
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- 239000004020 conductor Substances 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000011049 filling Methods 0.000 claims abstract description 18
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229920002545 silicone oil Polymers 0.000 claims abstract description 18
- 229920002050 silicone resin Polymers 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 15
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000011224 oxide ceramic Substances 0.000 abstract 1
- 229910052574 oxide ceramic Inorganic materials 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a composite heat conductive material for LEDs. The heat conductive material comprises components in parts by weight as follows: 10-20 parts of organic silicone resin, 10-20 parts of branched silicone oil, 15-25 parts of linear silicone oil, 1-10 parts of an antioxidant, 10-20 parts of graphene, 5-15 parts of nanoscale heat conductive metal fibers, 15-25 parts of an inorganic filling material and 15-25 parts of 95% aluminum oxide ceramic fibers. Filling materials such as the graphene with excellent heat conductivity, mechanical and chemical stability and the like, the nanoscale heat conductive metal fibers and the like are introduced into organic silicone resin which is low in surface tension, low in viscosity-temperature coefficient, high in compressibility and high in gas permeability and the branched silicone oil which is long in service life, free of sun crack and hardening and good in heat conduction effect, all the components are matched scientifically and reasonably, and the prepared composite heat conductive material is excellent in aging performance, stable in property, good in heat resistance, good in heat conductivity and particularly applicable to LED lamps.
Description
Technical field
The present invention relates to thermally conductive material technical field, be specifically related to a kind of LED composite heat conducting material.
Background technology
Thermally conductive material sticks to device surface or is filled among the gap between two faces; get rid of inner space air; protection device does not corrode by extraneous; absorb motion or deformation stress; internal components is run the heat produced conduct out in time; play heat conduction, sealing, filling, insulation, damping and preservative activity, be a kind of purposes functional material very widely simultaneously.
The encapsulating plastics that LED is traditional are common nylon enhancing modified material, the modified composite material taking nylon as matrix is all relatively undesirable in high temperature resistant, ageing-resistant, shock resistance, insulating property, often be not easy to bear in light fixture manufacturing processed or in light source welding process and reach 260 DEG C of short time high temperatures, and cause aging insulating property to lower, even light fixture lost efficacy.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of aging resistance excellent, stable performance, the LED composite heat conducting material that good heat resistance, thermal conductivity are good.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of LED composite heat conducting material, its component of parts by weights meter is: silicone resin 10 ~ 20 parts, branched chain silicone 10 ~ 20 parts, linear silicone oils 15 ~ 25 parts, antioxidant 1 ~ 10 part, Graphene 10 ~ 20 parts, nano level heat-conducting metal fiber 5 ~ 15 parts, inorganic filling material 15 ~ 15 parts, 95% ceramic alumina fiber 15 ~ 15 parts.
As preferred component, its component of parts by weights meter is: silicone resin 12 ~ 18 parts, branched chain silicone 12 ~ 18 parts, linear silicone oils 17 ~ 23 parts, antioxidant 3 ~ 7 parts, Graphene 12 ~ 18 parts, nano level heat-conducting metal fiber 7 ~ 13 parts, inorganic filling material 7 ~ 13 parts, 95% ceramic alumina fiber 7 ~ 13 parts.
As preferred component, its component of parts by weights meter is: silicone resin 14 ~ 16 parts, branched chain silicone 14 ~ 16 parts, linear silicone oils 19 ~ 21 parts, antioxidant 4 ~ 6 parts, Graphene 14 ~ 16 parts, nano level heat-conducting metal fiber 9 ~ 11 parts, inorganic filling material 9 ~ 11 parts, 95% ceramic alumina fiber 9 ~ 11 parts.
As better composition, its component of parts by weights meter is: silicone resin 15 parts, branched chain silicone 15 parts, linear silicone oils 20 parts, antioxidant 5 parts, Graphene 15 parts, nano level heat-conducting metal fiber 10 parts, inorganic filling material 10 parts, 95% ceramic alumina fiber 10 parts.
The preparation method of composite heat conducting material: silicone resin, branched chain silicone, linear silicone oils, antioxidant are added in stirrer successively mix in proportion, after 40 ~ 70 minutes to be mixed, obtain matrix resin; Graphene, nano level heat-conducting metal fiber, inorganic filling material, 95% ceramic alumina fiber packing material is added successively in matrix resin, stir after within 50 ~ 90 minutes, fully mixing, be under the condition of-0.05MPa again in vacuum tightness, stir 45 minutes, can composite heat conducting material be obtained.
Compared with prior art, the benefit that the present invention has: the silicone resin that the present invention is low in surface tension, temperature coefficient of viscosity is little, compressibility is high, gas permeability is high and long service life, without the good branched chain silicone of dry and cracked sclerosis, heat-conducting effect, import the packing material such as Graphene, nano level heat-conducting metal fiber of the excellent performances such as heat conduction, mechanics, chemically stable, and each component proportion is scientific and reasonable, the composite heat conducting material aging resistance of preparation is excellent, stable performance, good heat resistance, thermal conductivity are good, are specially adapted in LED lamp.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
First, parts by weights meter takes component and is: silicone resin 10 parts, branched chain silicone 10 parts, linear silicone oils 15 parts, antioxidant 1 part, Graphene 19 parts, nano level heat-conducting metal fiber 15 parts, inorganic filling material 15 parts, 95% ceramic alumina fiber 15 parts.
Then, prepare composite heat conducting material: silicone resin, branched chain silicone, linear silicone oils, antioxidant are added in stirrer successively and mix, after 40 ~ 70 minutes to be mixed, obtain matrix resin; Graphene, nano level heat-conducting metal fiber, inorganic filling material, 95% ceramic alumina fiber packing material is added successively in matrix resin, stir after within 50 ~ 90 minutes, fully mixing, be under the condition of-0.05MPa again in vacuum tightness, stir 45 minutes, can composite heat conducting material be obtained.
Embodiment 2
First, parts by weights meter takes component and is: silicone resin 12 parts, branched chain silicone 12 parts, linear silicone oils 17 parts, antioxidant 3 parts, Graphene 17 parts, nano level heat-conducting metal fiber 13 parts, inorganic filling material 13 parts, 95% ceramic alumina fiber 13 parts.
Then, composite heat conducting material is prepared: with embodiment 1.
Embodiment 3
First, parts by weights meter takes component and is: silicone resin 15 parts, branched chain silicone 15 parts, linear silicone oils 20 parts, antioxidant 5 parts, Graphene 15 parts, nano level heat-conducting metal fiber 10 parts, inorganic filling material 10 parts, 95% ceramic alumina fiber 10 parts.
Then, composite heat conducting material is prepared: with embodiment 1.
Embodiment 4
First, parts by weights meter takes component and is: silicone resin 17 parts, branched chain silicone 17 parts, linear silicone oils 22 parts, antioxidant 7 parts, Graphene 13 parts, nano level heat-conducting metal fiber 8 parts, inorganic filling material 8 parts, 95% ceramic alumina fiber 8 parts.
Then, composite heat conducting material is prepared: with embodiment 1.
Embodiment 5
First, parts by weights meter takes component and is: silicone resin 20 parts, branched chain silicone 20 parts, linear silicone oils 25 parts, antioxidant 10 parts, Graphene 10 parts, nano level heat-conducting metal fiber 5 parts, inorganic filling material 5 parts, 95% ceramic alumina fiber 5 parts.
Then, composite heat conducting material is prepared: with embodiment 1.
It should be pointed out that above case is only the representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-described embodiment, can also have many sex change.
Claims (4)
1. a LED composite heat conducting material, it is characterized in that, its component of parts by weights meter is: silicone resin 10 ~ 20 parts, branched chain silicone 10 ~ 20 parts, linear silicone oils 15 ~ 25 parts, antioxidant 1 ~ 10 part, Graphene 10 ~ 20 parts, nano level heat-conducting metal fiber 5 ~ 15 parts, inorganic filling material 15 ~ 25 parts, 95% ceramic alumina fiber 15 ~ 25 parts.
2. a kind of LED composite heat conducting material according to claim 1, it is characterized in that, its component of parts by weights meter is: silicone resin 12 ~ 18 parts, branched chain silicone 12 ~ 18 parts, linear silicone oils 17 ~ 23 parts, antioxidant 3 ~ 7 parts, Graphene 12 ~ 18 parts, nano level heat-conducting metal fiber 7 ~ 13 parts, inorganic filling material 17 ~ 23 parts, 95% ceramic alumina fiber 17 ~ 23 parts.
3. a kind of LED composite heat conducting material according to claim 2, it is characterized in that, its component of parts by weights meter is: silicone resin 14 ~ 16 parts, branched chain silicone 14 ~ 16 parts, linear silicone oils 19 ~ 21 parts, antioxidant 4 ~ 6 parts, Graphene 14 ~ 16 parts, nano level heat-conducting metal fiber 9 ~ 11 parts, inorganic filling material 19 ~ 21 parts, 95% ceramic alumina fiber 19 ~ 21 parts.
4. a kind of LED composite heat conducting material according to claim 3, it is characterized in that, its component of parts by weights meter is: silicone resin 15 parts, branched chain silicone 15 parts, linear silicone oils 20 parts, antioxidant 5 parts, Graphene 15 parts, nano level heat-conducting metal fiber 10 parts, inorganic filling material 10 parts, 95% ceramic alumina fiber 10 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638724.3A CN105086461A (en) | 2015-09-30 | 2015-09-30 | Composite heat conductive material for LEDs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638724.3A CN105086461A (en) | 2015-09-30 | 2015-09-30 | Composite heat conductive material for LEDs |
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| Publication Number | Publication Date |
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| CN105086461A true CN105086461A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510638724.3A Pending CN105086461A (en) | 2015-09-30 | 2015-09-30 | Composite heat conductive material for LEDs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382285A (en) * | 2017-07-26 | 2017-11-24 | 界首市绿暄照明科技有限公司 | A kind of LED lamp base composite |
| CN107833869A (en) * | 2017-10-23 | 2018-03-23 | 南京旭羽睿材料科技有限公司 | A kind of graphene heat conducting film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921489A (en) * | 2010-08-24 | 2010-12-22 | 烟台德邦电子材料有限公司 | Macromolecule thermal-conducting composite material and preparation method thereof |
| CN103131381A (en) * | 2013-03-06 | 2013-06-05 | 广州市高士实业有限公司 | High-performance environmentally-friendly flame retardant type organic electron pouring sealant and preparation method thereof |
| CN104530709A (en) * | 2014-12-16 | 2015-04-22 | 惠州力王佐信科技有限公司 | Metal reinforced organic silicon heat conducting material and preparation method thereof |
-
2015
- 2015-09-30 CN CN201510638724.3A patent/CN105086461A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921489A (en) * | 2010-08-24 | 2010-12-22 | 烟台德邦电子材料有限公司 | Macromolecule thermal-conducting composite material and preparation method thereof |
| CN103131381A (en) * | 2013-03-06 | 2013-06-05 | 广州市高士实业有限公司 | High-performance environmentally-friendly flame retardant type organic electron pouring sealant and preparation method thereof |
| CN104530709A (en) * | 2014-12-16 | 2015-04-22 | 惠州力王佐信科技有限公司 | Metal reinforced organic silicon heat conducting material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382285A (en) * | 2017-07-26 | 2017-11-24 | 界首市绿暄照明科技有限公司 | A kind of LED lamp base composite |
| CN107833869A (en) * | 2017-10-23 | 2018-03-23 | 南京旭羽睿材料科技有限公司 | A kind of graphene heat conducting film and preparation method thereof |
| CN107833869B (en) * | 2017-10-23 | 2019-11-08 | 南京旭羽睿材料科技有限公司 | A kind of graphene heat conducting film and preparation method thereof |
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Application publication date: 20151125 |
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