CN106009652A - Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof - Google Patents
Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof Download PDFInfo
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- CN106009652A CN106009652A CN201610545461.6A CN201610545461A CN106009652A CN 106009652 A CN106009652 A CN 106009652A CN 201610545461 A CN201610545461 A CN 201610545461A CN 106009652 A CN106009652 A CN 106009652A
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- composite material
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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
- C08K3/18—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
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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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
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyamides (AREA)
Abstract
An aluminum oxide-nylon heat conduction composite material for an LED lamp is prepared from, by weight, 200 parts of nylon 6, 50-60 parts of aluminum oxide, 20-30 parts of carbon fiber, 50-60 parts of acetone, 80-100 parts of nitric acid of 60-70%, 3-4 parts of silane coupling agent A-171, 70-80 parts of acetic acid aqueous solution of 1-3%, 15-20 parts of isophorone diisocyanate, 20-25 parts of (methyl)hydroxyethyl acrylate, 0.4-1 part of catalyst, 0.4-2 parts of polymerization inhibitor, 150-170 parts of tetrahydrofuran, 80-100 parts of methylbenzene and a proper amount of deionized water. Surface modification is conducted on carbon fiber, aluminum oxide is coated with a high polymer, compatibility of carbon fiber, aluminum oxide and nylon 6 is improved, dispersion of carbon fiber and aluminum oxide in nylon 6 can be achieved easily, and therefore the tensile property, bending property and impact resistance of a product can not be affected after the heat conduction material aluminum oxide is added.
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 aluminium oxide-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, breakage 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 one is applicable to industrial continuous production, extrusion not
Broken end, the follow-up nylon guide hot material using injection performance good.
The two of the purpose of the present invention are to provide a kind of LED aluminium oxide-nylon heat-conductive composite material and preparation side thereof
Method.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of LED aluminium oxide-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material is by following heavy
The raw material of amount part is made: nylon 6 200 parts, aluminium oxide 50-60 part, carbon fiber 20-30 part, acetone 50-60 part, 60-70% nitric acid
80-100 part, silane coupling A-171 3-4 part part, 1-3% aqueous acetic acid 70-80 part, isophorone diisocyanate 15-
20 parts, (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 aluminium oxide-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material is by such as
Lower step prepares:
(1) surface modification of carbon fiber
Carbon fiber is placed in acetone soln immersion 10-12h, filters, deionized water wash 2-3 time, 100-120 DEG C of forced air drying
Machine is dried 3-4h；With 60-70% nitric acid reflux oxidation carbon fiber 5-7h, filtering, deionized water wash to PH is 6-7, in 100-
120 DEG C of blast driers are dried to constant weight；；The carbon fiber of nitric acid oxidation is placed in 1-3% aqueous acetic acid, adds silane
Coupling agent A-171, ultrasonic 2-3h, obtain the carbon fiber of surface modification.
(2) preparation of high polymer coated aluminum oxide
By aluminium oxide ultrasonic disperse in oxolane and toluene, add isophorone diisocyanate, catalyst, polymerization inhibitor
Mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Liter high-temperature, to 50-60 DEG C, reacts 5-8h,
To high polymer coated aluminum oxide；
(3) preparation of aluminium oxide-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C and is dried 8-10h, with carbon fiber, the high polymer cladding oxygen of surface modification
Change aluminum and add high mixer high speed stirring 40-50min together, to be mixed uniformly after be added in double screw extruder melted squeezing
Go out, tie rod cooling granulation.
A kind of LED aluminium oxide-nylon heat-conductive composite material, it is characterised in that described catalyst can be selected from February
One or more in dilaurylate, dibutyitin maleate, butyl maleate dibutyl tin, stannous octoate compound.
A kind of LED aluminium oxide-nylon heat-conductive composite material, it is characterised in that described polymerization inhibitor can be selected to hydroxyl
Base methyl phenyl ethers anisole, hydroquinone, one or more in 2,6 ditertiary butyl p cresol compound.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention carries out surface modification to carbon fiber, uses high polymer coated aluminum oxide, adds carbon fiber, aluminium oxide and nylon 6
The compatibility, beneficially carbon fiber and aluminium oxide dispersion in nylon 6 so that the addition of Heat Conduction Material aluminium oxide does not interferes with
The tensile property of product, bending property and shock resistance；It is applicable to industrial continuous production, extrusion does not breaks end, follow-up makes
Good by injection performance.
Detailed description of the invention
The LED of the present embodiment aluminium oxide-nylon heat-conductive composite material, is prepared by the raw materials in: nylon 6
200 parts, aluminium oxide 50 parts, 25 parts of carbon fiber, 60 parts of acetone, 100 parts of 65% nitric acid, silane coupling A-171 4 portions of parts, 3% vinegar
Aqueous acid 80 parts, isophorone diisocyanate 20 parts, (methyl) 2-(Acryloyloxy)ethanol 25 parts, catalyst 0.4 part, polymerization inhibitor
1 part, oxolane 150 parts, toluene 80 parts, deionized water appropriate.
A kind of LED aluminium oxide-nylon heat-conductive composite material, is prepared by following steps:
(1) surface modification of carbon fiber
Carbon fiber is placed in acetone soln immersion 10h, filters, deionized water wash 3 times, 120 DEG C of blast driers are dried
3h；With 65% nitric acid reflux oxidation carbon fiber 5h, filtering, deionized water wash to PH is 6, is dried in 120 DEG C of blast driers
To constant weight；；The carbon fiber of nitric acid oxidation is placed in 3% aqueous acetic acid, adds silane coupling A-171, ultrasonic 3h, obtain
The carbon fiber of surface modification.
(2) preparation of high polymer coated aluminum oxide
By aluminium oxide ultrasonic disperse in oxolane and toluene, add isophorone diisocyanate, catalyst, polymerization inhibitor
Mix homogeneously；At 40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Liter high-temperature, to 50 DEG C, reacts 8h, obtains high polymer
Coated aluminum oxide；
(3) preparation of aluminium oxide-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 85 DEG C and is dried 10h, with carbon fiber, the high polymer coated aluminum oxide of surface modification
Add high mixer high speed stirring 50min together, to be mixed uniformly after be added in double screw extruder melt extruding, 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), inhale
Water 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 aluminium oxide-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material is by following
The raw material of weight portion is made: nylon 6 200 parts, aluminium oxide 50-60 part, carbon fiber 20-30 part, acetone 50-60 part, 60-70% nitre
Acid 80-100 part, silane coupling A-171 3-4 part part, 1-3% aqueous acetic acid 70-80 part, isophorone 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 aluminium oxide-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material is by as follows
Step prepares:
(1) surface modification of carbon fiber
Carbon fiber is placed in acetone soln immersion 10-12h, filters, deionized water wash 2-3 time, 100-120 DEG C of forced air drying
Machine is dried 3-4h；With 60-70% nitric acid reflux oxidation carbon fiber 5-7h, filtering, deionized water wash to PH is 6-7, in 100-
120 DEG C of blast driers are dried to constant weight；The carbon fiber of nitric acid oxidation is placed in 1-3% aqueous acetic acid, adds silane even
Connection agent A-171, ultrasonic 2-3h, obtain the carbon fiber of surface modification；
(2) preparation of high polymer coated aluminum oxide
By aluminium oxide ultrasonic disperse in oxolane and toluene, add isophorone diisocyanate, catalyst, polymerization inhibitor
Mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) 2-(Acryloyloxy)ethanol；Liter high-temperature, to 50-60 DEG C, reacts 5-8h,
To high polymer coated aluminum oxide；
(3) preparation of aluminium oxide-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C and is dried 8-10h, with carbon fiber, the high polymer cladding oxygen of surface modification
Change aluminum and add high mixer high speed stirring 40-50min together, to be mixed uniformly after be added in double screw extruder melted squeezing
Go out, tie rod cooling granulation.
3. LED aluminium oxide-nylon heat-conductive composite material, it is characterised in that described catalyst can be selected from two Laurels
One or more in acid dibutyl tin, dibutyitin maleate, butyl maleate dibutyl tin, stannous octoate compound.
4. LED aluminium oxide-nylon heat-conductive composite material, it is characterised in that described polymerization inhibitor can be selected to hydroxyl
Methyl phenyl ethers anisole, hydroquinone, one or more in 2,6 ditertiary butyl p cresol compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545461.6A CN106009652A (en) | 2016-07-12 | 2016-07-12 | Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545461.6A CN106009652A (en) | 2016-07-12 | 2016-07-12 | Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106009652A true CN106009652A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545461.6A Pending CN106009652A (en) | 2016-07-12 | 2016-07-12 | Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602060A (en) * | 2013-11-06 | 2014-02-26 | 上海大学 | Heat-conducting, wear-resistant and insulated nylon 6 composite material and preparation method thereof |
| CN104559159A (en) * | 2013-10-09 | 2015-04-29 | 上海杰事杰新材料(集团)股份有限公司 | Heat-conducting high-temperature-resistant nylon composite material and preparation method thereof |
| CN104559145A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | High-toughness and high-thermal-conductivity polymer material and preparation method thereof |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
-
2016
- 2016-07-12 CN CN201610545461.6A patent/CN106009652A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104559159A (en) * | 2013-10-09 | 2015-04-29 | 上海杰事杰新材料(集团)股份有限公司 | Heat-conducting high-temperature-resistant nylon composite material and preparation method thereof |
| CN103602060A (en) * | 2013-11-06 | 2014-02-26 | 上海大学 | Heat-conducting, wear-resistant and insulated nylon 6 composite material and preparation method thereof |
| CN104559145A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | High-toughness and high-thermal-conductivity polymer material and preparation method thereof |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
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Application publication date: 20161012 |
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