CN105524447A - PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof - Google Patents
PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof Download PDFInfo
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- CN105524447A CN105524447A CN201610009126.4A CN201610009126A CN105524447A CN 105524447 A CN105524447 A CN 105524447A CN 201610009126 A CN201610009126 A CN 201610009126A CN 105524447 A CN105524447 A CN 105524447A
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- crystal whisker
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 14
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 title abstract description 7
- 150000003109 potassium Chemical class 0.000 title abstract 3
- 239000002131 composite material Substances 0.000 claims abstract description 23
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 8
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims description 17
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 12
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 9
- 230000003179 granulation Effects 0.000 claims description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- -1 hexafluorophosphate glyoxaline ion Chemical class 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 6
- 239000002048 multi walled nanotube Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- MUZDXNQOSGWMJJ-UHFFFAOYSA-N 2-methylprop-2-enoic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(=C)C(O)=O MUZDXNQOSGWMJJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/641—Heat extraction or cooling elements characterized by the materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof. According to the composite plastic, high-molecular materials such as PC and PET are compounded to form a thermally conductive plastic base material, such that good comprehensive mechanical properties are provided. The base material is insulating, heat-resistant, safe, and flame-retardant. The added nano-scale magnesium oxide powder assists in effectively improving material thermal conductivity. The doped ionic-liquid-modified potassium hexatitanate whisker, carbon nanotubes, graphene and other composite powders are well dispersed and closely combined, such that excellent thermal conductivity coefficient is provided. The composite powder has low surface activation energy, and has good compatibility with high-molecular plastics. Therefore, a high-efficiency thermal conduction network is formed in the base material, such that good heat transfer and heat dissipation effects are obtained. Also, the mechanical performance of the material is improved, and the material is more durable. The composite heat dissipation material has a wide application space in LED packaging.
Description
Technical field
The present invention relates to heat conduction engineering plastics technical field, particularly relate to a kind of PC-PET base LED heat sink material containing modification crystal whisker of hexa potassium titanate-carbon nanotube and preparation method thereof.
Background technology
LED is as the novel light source of a generation, there is efficient, energy-saving and environmental protection, long service life, be easy to safeguard etc. advantage, by the pre-third generation light source for incandescent light and luminescent lamp can be replaced, the working temperature of the light extraction efficiency of LED and life-span and chip has direct relation, heat dissipation problem is the subject matter that restriction packaged LED product improves power and luminous efficiency, the effective means solving LED heat dissipation problem be exactly utilize high heat conduction, high insulation, high permeability material heat is passed fast.
The heat sink material that current LED is commonly used is mainly metal aluminium or stupalith, all there are some defects in actual use in these materials, although such as aluminium base heat sink material has comparatively excellent heat-sinking capability, but its exist the moulding process cycle long, itself there is electroconductibility and the problem such as moulding is single, and although stupalith insulate, but higher than great, shaping difficulty, be unfavorable for batch production, its application is also restricted.
Composite heat-conducting plastics start to be paid close attention in the industry in recent years gradually, first plastics itself have the advantages such as good insulation, lightweight, inexpensive, various shapes, comparatively satisfied thermal conductivity can be obtained after adding the filler of high thermal conductivity wherein, it is lighter than aluminium base heat sink material quality, shaping cycle is shorter, because the filler unit price of high thermal conductivity is more expensive, and existing preparation technology makes the utilization ratio of heat conductive filler low, further increase production cost, therefore, improve existing technique, the utilization ratio improving raw material is the problem that bandit treats result.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of PC-PET base LED heat sink material containing modification crystal whisker of hexa potassium titanate-carbon nanotube and preparation method thereof.
The present invention is achieved by the following technical solutions:
Containing a PC-PET base LED heat sink material for modification crystal whisker of hexa potassium titanate-carbon nanotube, this composite plastic is made up of the raw material of following weight part: PC40-50, PET12-15, Methylacrylate-Acrylate Copolymer 4-5, crystal whisker of hexa potassium titanate 8-10, multi-walled carbon nano-tubes 5-6, Graphene 1-2, nano magnesia 20-24, zinc acetylacetonate 0.1-0.2, hexafluorophosphate glyoxaline ion liquid 1-1.5, silane coupling agent 1-2, oxidation inhibitor 0.5-0.6, photostabilizer 0.1-0.2, deionized water 30-40.
Described a kind of PC-PET base LED heat sink material containing modification crystal whisker of hexa potassium titanate-carbon nanotube and preparation method thereof, described preparation method is:
(1) first hexafluorophosphate glyoxaline ion liquid is mixed with deionized water, and oil bath is heated to 50-60 DEG C, constant temperature is uniformly mixed 25-30min subsequently, be warming up to 70-80 DEG C subsequently, drop into crystal whisker of hexa potassium titanate, multi-walled carbon nano-tubes, Graphene, thermostatic ultrasonic stirs 3-4h, stirs after terminating and gained material complete drying is removed moisture, namely obtain ion liquid modified crystal whisker of hexa potassium titanate/carbon nano-tube composite powder after gained powder grinding distribution;
(2) drop into granulation in twin screw extruder together after the silane coupling agent high-speed stirring of PC, PET, Methylacrylate-Acrylate Copolymer, nano magnesia, zinc acetylacetonate, oxidation inhibitor, photostabilizer and 0.8-1 weight part being mixed, obtain a granulation material for subsequent use;
(3) composite granule step (1) prepared and the silane coupling agent of residual content are uniformly mixed for subsequent use;
(4) granulation material step (2) prepared is dropped in forcing machine by main spout, and the composite granule of step (3) adds in forcing machine by side spout, and extruding pelletization, cooling obtain the composite heat conducting material for injection moulding.
Advantage of the present invention is: the present invention is with PC, the macromolecular material compounds such as PET are as heat-conducting plastic base-material, there is good comprehensive mechanical property, insulate heat-resisting, safety is fire-retardant, the nanometer magnesia powder added effectively can improve the thermal conductivity of material, and wherein blending through ion liquid modified crystal whisker of hexa potassium titanate, carbon nanotube, the composite granules such as Graphene disperse to combine closely each other, possesses remarkable thermal conductivity, its apparent activation energy is low, can with high molecule plastic excellent compatibility, efficient heat conduction network is formed in base-material, thus obtain good heat transfer, radiating effect, also improve the mechanical property of material simultaneously, more durable in use, this composite heat dissipation material has wide application space in LED.
Embodiment
This matrix material is made up of the raw material of following weight part: PC40, PET12, methacrylate acrylate multipolymer 4, crystal whisker of hexa potassium titanate 8, multi-walled carbon nano-tubes 5, Graphene 1, nano magnesia 20, zinc acetylacetonate 0.1, hexafluorophosphate glyoxaline ion liquid 1, silane coupling agent 1, oxidation inhibitor 0.5, photostabilizer 0.1, deionized water 30.
The preparation method of this composite plastic is:
(1) first hexafluorophosphate glyoxaline ion liquid is mixed with deionized water, and oil bath is heated to 50 DEG C, constant temperature is uniformly mixed 25min subsequently, be warming up to 70 DEG C subsequently, drop into crystal whisker of hexa potassium titanate, multi-walled carbon nano-tubes, Graphene, thermostatic ultrasonic stirs 3h, stirs after terminating and gained material complete drying is removed moisture, namely obtain ion liquid modified crystal whisker of hexa potassium titanate/carbon nano-tube composite powder after gained powder grinding distribution;
(2) drop into granulation in twin screw extruder together after the silane coupling agent high-speed stirring of PC, PET, methacrylate acrylate multipolymer, nano magnesia, zinc acetylacetonate, oxidation inhibitor, photostabilizer and 0.8 weight part being mixed, obtain a granulation material for subsequent use;
(3) composite granule step (1) prepared and the silane coupling agent of residual content are uniformly mixed for subsequent use;
(4) granulation material step (2) prepared is dropped in forcing machine by main spout, and the composite granule of step (3) adds in forcing machine by side spout, and extruding pelletization, cooling obtain the composite heat conducting material for injection moulding.
The performance test results of the composite heat conducting material obtained by the present embodiment is:
| Project | Index |
| Tensile strength (MPa) | 81.2 |
| Flexural strength (MPa) | 221 |
| Thermal conductivity (w/mk) | 6.62 |
| Flame retardant rating | UL94-V0 |
| Volume specific resistance (Ω .cm) | ＞10 13 |
Claims (2)
1. the PC-PET base LED heat sink material containing modification crystal whisker of hexa potassium titanate-carbon nanotube, it is characterized in that, this composite plastic is made up of the raw material of following weight part: PC40-50, PET12-15, Methylacrylate-Acrylate Copolymer 4-5, crystal whisker of hexa potassium titanate 8-10, multi-walled carbon nano-tubes 5-6, Graphene 1-2, nano magnesia 20-24, zinc acetylacetonate 0.1-0.2, hexafluorophosphate glyoxaline ion liquid 1-1.5, silane coupling agent 1-2, oxidation inhibitor 0.5-0.6, photostabilizer 0.1-0.2, deionized water 30-40.
2. a kind of PC-PET base LED heat sink material containing modification crystal whisker of hexa potassium titanate-carbon nanotube and preparation method thereof as claimed in claim 1, it is characterized in that, described preparation method is:
(1) first hexafluorophosphate glyoxaline ion liquid is mixed with deionized water, and oil bath is heated to 50-60 DEG C, constant temperature is uniformly mixed 25-30min subsequently, be warming up to 70-80 DEG C subsequently, drop into crystal whisker of hexa potassium titanate, multi-walled carbon nano-tubes, Graphene, thermostatic ultrasonic stirs 3-4h, stirs after terminating and gained material complete drying is removed moisture, namely obtain ion liquid modified crystal whisker of hexa potassium titanate/carbon nano-tube composite powder after gained powder grinding distribution;
(2) drop into granulation in twin screw extruder together after the silane coupling agent high-speed stirring of PC, PET, Methylacrylate-Acrylate Copolymer, nano magnesia, zinc acetylacetonate, oxidation inhibitor, photostabilizer and 0.8-1 weight part being mixed, obtain a granulation material for subsequent use;
(3) composite granule step (1) prepared and the silane coupling agent of residual content are uniformly mixed for subsequent use;
(4) granulation material step (2) prepared is dropped in forcing machine by main spout, and the composite granule of step (3) adds in forcing machine by side spout, and extruding pelletization, cooling obtain the composite heat conducting material for injection moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009126.4A CN105524447A (en) | 2016-01-04 | 2016-01-04 | PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009126.4A CN105524447A (en) | 2016-01-04 | 2016-01-04 | PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof |
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| Publication Number | Publication Date |
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| CN105524447A true CN105524447A (en) | 2016-04-27 |
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| CN201610009126.4A Pending CN105524447A (en) | 2016-01-04 | 2016-01-04 | PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906783A (en) * | 2016-06-29 | 2016-08-31 | 安徽三彩工贸有限责任公司 | Easy-thermal-conducting type polyurethane material |
| CN105968290A (en) * | 2016-06-29 | 2016-09-28 | 安徽三彩工贸有限责任公司 | Polyurethane composite |
| CN108192316A (en) * | 2018-02-24 | 2018-06-22 | 华南理工大学 | High fluidity high tenacity polycarbonate/polyethylene terephthalate alloy and preparation method thereof |
| CN108545997A (en) * | 2018-04-04 | 2018-09-18 | 烟台孚瑞克森汽车部件有限公司 | A kind of high-performance is without copper environment-friendly type ceramic frication material and its manufacturing process |
| CN114702880A (en) * | 2022-04-06 | 2022-07-05 | 福建福松新材料科技有限公司 | Anti-cracking antioxidant antirust epoxy finish paint and preparation method thereof |
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| CN103497411A (en) * | 2013-09-27 | 2014-01-08 | 杭州师范大学 | Flexible high-thermal-conductivity insulating polymer composite and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906783A (en) * | 2016-06-29 | 2016-08-31 | 安徽三彩工贸有限责任公司 | Easy-thermal-conducting type polyurethane material |
| CN105968290A (en) * | 2016-06-29 | 2016-09-28 | 安徽三彩工贸有限责任公司 | Polyurethane composite |
| CN108192316A (en) * | 2018-02-24 | 2018-06-22 | 华南理工大学 | High fluidity high tenacity polycarbonate/polyethylene terephthalate alloy and preparation method thereof |
| CN108545997A (en) * | 2018-04-04 | 2018-09-18 | 烟台孚瑞克森汽车部件有限公司 | A kind of high-performance is without copper environment-friendly type ceramic frication material and its manufacturing process |
| CN114702880A (en) * | 2022-04-06 | 2022-07-05 | 福建福松新材料科技有限公司 | Anti-cracking antioxidant antirust epoxy finish paint and preparation method thereof |
| CN114702880B (en) * | 2022-04-06 | 2022-12-23 | 福建福松新材料科技有限公司 | Anti-cracking antioxidant antirust epoxy finish paint and preparation method thereof |
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