CN106084761A - A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof - Google Patents
A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof Download PDFInfo
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- CN106084761A CN106084761A CN201610542414.6A CN201610542414A CN106084761A CN 106084761 A CN106084761 A CN 106084761A CN 201610542414 A CN201610542414 A CN 201610542414A CN 106084761 A CN106084761 A CN 106084761A
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- alumina silicate
- silicate fibre
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- composite material
- conductive composite
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
- C08K7/00—Use of ingredients characterised by shape
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
Abstract
A kind of LED alumina silicate fibre nylon heat-conductive composite material, is prepared by the raw materials in: nylon 6 200 parts, tin indium oxide 68 parts, 23 parts of silica gel, flakey carbon dust 10 12 parts, alumina silicate fibre 20 30 parts, silane coupler kh550 23 parts, acetic acid 8 10 parts, dimethyl diphenyl diisocyanate 15 20 parts, (methyl) 2-(Acryloyloxy)ethanol 20 25 parts, catalyst 0.4 1 parts, polymerization inhibitor 0.4 2 parts, oxolane 150 170 parts, toluene 80 100 parts, deionized water are appropriate.Present invention uses alumina silicate fibre, there is high heat conductivity, thermal diffusivity is good, and there is potentiation, prevent cracking, by in alumina silicate fibre surface modification, with high polymer cladding tin indium oxide and flakey carbon dust, adding alumina silicate fibre, tin indium oxide, flakey carbon dust and the compatibility of nylon 6.
Description
Technical field
The present invention relates to a kind of nylon guide hot material and preparation method thereof, be specifically related to a kind of LED alumina silicate fibre-
Nylon heat-conductive composite material.
Background technology
In general, the heat conductivity of pure plastic material is far away not as good as metal, ceramic material, but its insulating properties
Good.Heat-conducting plastic not only has metal and the heat transfer performance of pottery, also retains common plastics simultaneously and in design, performance and becomes
The advantage of present aspect, has the selection of base resin uniform, lightweight, multiple of dispelling the heat, processing and forming convenience, thermal coefficient of expansion
Low, molding shrinkage is low, operating temperature is low and improve design freedom feature, be widely used in all trades and professions.
At present, the most typical application of heat-conducting plastic is at lighting field, is mainly used in making the LED joint needing to dispel the heat good
The Lamp cup etc. of energy lamp, although the heat that LED electricity-saving lamp is consumed is more much smaller than ordinary light source, but because LED energy-saving lamp structure
Compact, powerful, the most effectively dispel the heat and remain an important problem.
Chinese patent application CN102408710A discloses a kind of high heat conduction nylon 66 composite material, and its base material all uses
Nylon66 fiber, hardness is high, and after adding heat filling, material tensile property, bending property are deteriorated, and only add coupling agent in its formula
And antioxidant so that the poor processability of whole system, cracking phenomena can be produced in producing extrusion, it is impossible to be applicable to work
Industry continuous prodution.
Summary of the invention
An object of the present invention is to overcome above-mentioned deficiency, it is provided that a kind of thermal diffusivity is good, intensity is high, crack resistence, follow-up
Use the nylon guide hot material that injection performance is good.
The two of the purpose of the present invention are to provide the preparation of a kind of LED alumina silicate fibre-nylon heat-conductive composite material
Method.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material by under
The raw material of row weight portion is made: nylon 6 200 parts, tin indium oxide 6-8 part, silica gel 2-3 part, flakey carbon dust 10-12 part, silicic acid
Aluminum fiber 20-30 part, silane coupler kh550 2-3 part, acetic acid 8-10 part, dimethyl diphenyl diisocyanate 15-20 part,
(methyl) 2-(Acryloyloxy)ethanol 20-25 part, catalyst 0.4-1 part, polymerization inhibitor 0.4-2 part, oxolane 150-170 part, toluene
80-100 part, deionized water are appropriate.
A kind of LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material
It is prepared from by following steps:
(1) surface modification of alumina silicate fibre
Alumina silicate fibre is added the deionized water of 2-3 times of weight portion, adds acetic acid and silane coupler kh550 after stirring, stir
Mix 20-30min, filter, obtain the alumina silicate fibre of modification；
(2) high polymer cladding tin indium oxide and the preparation of flakey carbon dust
By tin indium oxide and flakey carbon dust ultrasonic disperse in oxolane and toluene, add dimethyl diphenyl two Carbimide.
Ester, catalyst, polymerization inhibitor mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Rise high-temperature to 50-
60 DEG C, react 5-8h, obtain tin indium oxide and the flakey carbon dust of high polymer cladding；
(3) preparation of alumina silicate fibre-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C and is dried 8-10h, with alumina silicate fibre, the high polymer bag of surface modification
Cover tin indium oxide and add high mixer high speed stirring 40-50min together with flakey carbon dust, silica gel, to be mixed uniformly after by it
Add in double screw extruder and melt extrude, tie rod cooling granulation.
A kind of LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described catalyst can be selected from
One or more in dibutyl tin laurate, dibutyitin maleate, butyl maleate dibutyl tin, stannous octoate are multiple
Join.
A kind of LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described polymerization inhibitor can be selected from
MEHQ, hydroquinone, one or more in 2,6 ditertiary butyl p cresol compound.
Compared with prior art, the invention has the beneficial effects as follows:
Present invention uses alumina silicate fibre, have high heat conductivity, thermal diffusivity is good, and has potentiation, prevents cracking,
By in alumina silicate fibre surface modification, with high polymer cladding tin indium oxide and flakey carbon dust, adding alumina silicate fibre, oxygen
Changing indium stannum, flakey carbon dust and the compatibility of nylon 6, beneficially alumina silicate fibre, tin indium oxide, flakey carbon dust are at nylon 6
In dispersion so that Heat Conduction Material alumina silicate fibre, tin indium oxide, the addition of flakey carbon dust do not interfere with the draftability of product
Energy, bending property and shock resistance.
Detailed description of the invention
The LED of the present embodiment alumina silicate fibre-nylon heat-conductive composite material, is prepared by the raw materials in:
Nylon 6 200 parts, tin indium oxide 8 parts, 3 parts of silica gel, flakey carbon dust 10 parts, alumina silicate fibre 30 parts, silane coupler kh550
3 parts, acetic acid 8 parts, dimethyl diphenyl diisocyanate 20 parts, (methyl) 2-(Acryloyloxy)ethanol 25 parts, catalyst 0.5 part, inhibition
Agent 1 part, oxolane 150 parts, toluene 80 parts, deionized water are appropriate.
The LED of the present embodiment alumina silicate fibre-nylon heat-conductive composite material, is prepared from by following steps:
(1) surface modification of alumina silicate fibre
Alumina silicate fibre is added the deionized water of 3 times of weight portions, after stirring, adds acetic acid and silane coupler kh550, stirring
30min, filters, and obtains the alumina silicate fibre of modification；
(2) high polymer cladding tin indium oxide and the preparation of flakey carbon dust
By tin indium oxide and flakey carbon dust ultrasonic disperse in oxolane and toluene, add dimethyl diphenyl two Carbimide.
Ester, catalyst, polymerization inhibitor mix homogeneously；At 40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Rise high-temperature to 60 DEG C,
Reaction 8h, obtains tin indium oxide and the flakey carbon dust of high polymer cladding；
(3) preparation of alumina silicate fibre-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 85 DEG C and is dried 10h, with alumina silicate fibre, the high polymer cladding oxygen of surface modification
Change indium stannum and add high mixer high speed stirring 50min together with flakey carbon dust, silica gel, to be mixed uniformly after be added into double spiral shell
Bar extruder melt extrudes, tie rod cooling granulation.
After tested, the LED of present invention aluminium oxide-nylon heat conduction thermal conductivity of composite materials is more than 3W/(m*K), water suction
Rate (23 DEG C, 24h) is less than 0.10%, and hot strength is more than 40MPa, and bending strength is more than 60MPa.
Claims (4)
1. LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material by
The raw material of following weight portion is made: nylon 6 200 parts, tin indium oxide 6-8 part, silica gel 2-3 part, flakey carbon dust 10-12 part, silicon
Acid aluminum fiber 20-30 part, silane coupler kh550 2-3 part, acetic acid 8-10 part, dimethyl diphenyl diisocyanate 15-20 part,
(methyl) 2-(Acryloyloxy)ethanol 20-25 part, catalyst 0.4-1 part, polymerization inhibitor 0.4-2 part, oxolane 150-170 part, toluene
80-100 part, deionized water are appropriate.
2. LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material by
Following steps are prepared from:
(1) surface modification of alumina silicate fibre
Alumina silicate fibre is added the deionized water of 2-3 times of weight portion, adds acetic acid and silane coupler kh550 after stirring, stir
Mix 20-30min, filter, obtain the alumina silicate fibre of modification；
(2) high polymer cladding tin indium oxide and the preparation of flakey carbon dust
By tin indium oxide and flakey carbon dust ultrasonic disperse in oxolane and toluene, add dimethyl diphenyl two Carbimide.
Ester, catalyst, polymerization inhibitor mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Rise high-temperature to 50-
60 DEG C, react 5-8h, obtain tin indium oxide and the flakey carbon dust of high polymer cladding；
(3) preparation of alumina silicate fibre-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C and is dried 8-10h, with alumina silicate fibre, the high polymer bag of surface modification
Cover tin indium oxide and add high mixer high speed stirring 40-50min together with flakey carbon dust, silica gel, to be mixed uniformly after by it
Add in double screw extruder and melt extrude, tie rod cooling granulation.
3. LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described catalyst can be selected from two
One or more in dibutyl tin laurate, dibutyitin maleate, butyl maleate dibutyl tin, stannous octoate are multiple
Join.
4. LED alumina silicate fibre-nylon heat-conductive composite material, it is characterised in that described polymerization inhibitor can be selected from right
Hydroxyanisol, hydroquinone, one or more in 2,6 ditertiary butyl p cresol compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542414.6A CN106084761A (en) | 2016-07-11 | 2016-07-11 | A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542414.6A CN106084761A (en) | 2016-07-11 | 2016-07-11 | A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106084761A true CN106084761A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610542414.6A Pending CN106084761A (en) | 2016-07-11 | 2016-07-11 | A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354862A (en) * | 2018-09-04 | 2019-02-19 | 徐州市华天塑业有限公司 | A kind of high thermal conductivity nylon material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757640A (en) * | 2012-07-25 | 2012-10-31 | 东莞市意普万尼龙科技股份有限公司 | Heat conduction nylon composite material and preparation method thereof |
| CN103146187A (en) * | 2013-03-29 | 2013-06-12 | 大河宝利材料科技(苏州)有限公司 | Polyamide composite material as well as preparation method and use thereof |
| CN103497670A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nylon powder coating |
| CN103939754A (en) * | 2013-01-18 | 2014-07-23 | 合肥杰事杰新材料股份有限公司 | LED lamp and making method thereof |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
-
2016
- 2016-07-11 CN CN201610542414.6A patent/CN106084761A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757640A (en) * | 2012-07-25 | 2012-10-31 | 东莞市意普万尼龙科技股份有限公司 | Heat conduction nylon composite material and preparation method thereof |
| CN103939754A (en) * | 2013-01-18 | 2014-07-23 | 合肥杰事杰新材料股份有限公司 | LED lamp and making method thereof |
| CN103146187A (en) * | 2013-03-29 | 2013-06-12 | 大河宝利材料科技(苏州)有限公司 | Polyamide composite material as well as preparation method and use thereof |
| CN103497670A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nylon powder coating |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354862A (en) * | 2018-09-04 | 2019-02-19 | 徐州市华天塑业有限公司 | A kind of high thermal conductivity nylon material and preparation method thereof |
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Application publication date: 20161109 |