CN106189212A - A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof - Google Patents
A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof Download PDFInfo
- Publication number
- CN106189212A CN106189212A CN201610542395.7A CN201610542395A CN106189212A CN 106189212 A CN106189212 A CN 106189212A CN 201610542395 A CN201610542395 A CN 201610542395A CN 106189212 A CN106189212 A CN 106189212A
- Authority
- CN
- China
- Prior art keywords
- parts
- forsterite
- composite material
- conductive composite
- nylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
A kind of LED forsterite nylon heat-conductive composite material, it is prepared by the raw materials in: nylon 6 200 parts, nylon66 fiber 40 50 parts, forsterite 20 30 parts, 20 30 parts of carbon fiber, 50 60 parts of acetone, 60 70% 80 100 parts of nitric acid, tetraethyl orthosilicate 34 parts, maleic anhydride 34 parts, toluene 2, 4 diisocyanate 15 20 parts, (methyl) Hydroxypropyl acrylate 20 25 parts, catalyst 0.4 1 parts, polymerization inhibitor 0.4 2 parts, sodium lignin sulfonate 35 parts, potassium hydrogen tartrate 34 parts, oxolane 150 170 parts, toluene 80 100 parts, deionized water is appropriate.The nylon heat conduction composite structure of the present invention is fine and close, and heat transfer, rapid heat dissipation, mechanical property is good, durable in use, can be effectively protected the LED lamp of high intensity, is greatly prolonged the service life of light fixture.
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 forsterite-Buddhist nun
Dragon 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
It is an object of the invention to provide a kind of LED forsterite-nylon heat-conductive composite material and preparation method thereof.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of LED forsterite-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, nylon66 fiber 40-50 part, forsterite 20-30 part, carbon fiber 20-30 part, third
Ketone 50-60 part, 60-70% nitric acid 80-100 part, tetraethyl orthosilicate 3-4 part, maleic anhydride 3-4 part, Toluene-2,4-diisocyanate, 4-bis-Carbimide.
Ester 15-20 part, (methyl) Hydroxypropyl acrylate 20-25 part, catalyst 0.4-1 part, polymerization inhibitor 0.4-2 part, sodium lignin sulfonate
3-5 part, potassium hydrogen tartrate 3-4 part, oxolane 150-170 part, toluene 80-100 part, deionized water are appropriate.
A kind of LED forsterite-nylon heat-conductive composite material, it is characterised in that described heat-conductive composite material by
Following steps prepare:
(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 tetraethyl orthosilicate, maleic anhydride and is equivalent to
In the solution of the deionized water configuration of 10-12 times of its total weight parts, ultrasonic 40-50min, 50-60 DEG C is dried, must arrive surface and change
The carbon fiber of property；
(2) preparation of high polymer cladding forsterite
Forsterite is ground screening, and ultrasonic disperse, in oxolane and toluene, adds Toluene-2,4-diisocyanate, 4-diisocyanate,
Catalyst, polymerization inhibitor mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) Hydroxypropyl acrylate；Rise high-temperature to 50-60
DEG C, react 5-8h, obtain high polymer cladding forsterite；
(3) preparation of forsterite-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C together with nylon66 fiber and is dried 8-10h, with the carbon fiber of surface modification,
High polymer cladding forsterite, sodium lignin sulfonate, potassium hydrogen tartrate add high mixer high speed stirring 40-50min together, treat
It is added into after mix homogeneously double screw extruder melt extrudes, tie rod cooling granulation.
A kind of LED forsterite-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.
A kind of LED forsterite-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.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention uses high nylon 6 heat-resist, elastic to compound as base with endurance, hardness nylon66 fiber high, anti abrasive
Body material；Use has high temperature resistant, anti-etch, and refractoriness, heat conductivity that chemical stability is good, higher are high, thermal coefficient of expansion
Little forsterite, and utilize the synergism of forsterite and carbon fiber, improve the heat conductivity of nylon heat-conductive composite material
Energy；Carbon fiber is carried out surface modification, is coated with forsterite with high polymer so that carbon fiber and forsterite are in matrix material
Being uniformly dispersed, the interfacial interaction power between carbon fiber and forsterite and nylon matrix is strong, is conducive to heat in interface
Conduction, reduces interface resistance, also utilizes stress to significantly improve nylon guide at the transmission of interface, stronger interface interaction simultaneously
The mechanical property of hot composite and heat stability.
Detailed description of the invention
The LED of the present embodiment forsterite-nylon heat-conductive composite material, described heat-conductive composite material is by following heavy
The raw material of amount part is made: nylon 6 200 parts, nylon66 fiber 40 parts, forsterite 20 parts, 20 parts of carbon fiber, 60 parts of acetone, 60% nitre
Acid 100 parts, tetraethyl orthosilicate 3 parts, maleic anhydride 3 parts, Toluene-2,4-diisocyanate, 4-diisocyanate 20 parts, (methyl) Hydroxypropyl acrylate
25 parts, catalyst 1 part, polymerization inhibitor 2 parts, sodium lignin sulfonate 5 parts, potassium hydrogen tartrate 3 parts, oxolane 170 parts, toluene 100
Part, deionized water appropriate.
The LED of the present embodiment forsterite-nylon heat-conductive composite material, described heat-conductive composite material is by walking as follows
Rapid prepared:
(1) surface modification of carbon fiber
Carbon fiber is placed in acetone soln immersion 12h, filters, deionized water wash 3 times, 120 DEG C of blast driers are dried
3h；With 60% nitric acid reflux oxidation carbon fiber 7h, 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 tetraethyl orthosilicate, maleic anhydride and is equivalent to 10 times of its total weight parts go
In the solution of ionized water configuration, ultrasonic 50min, 60 DEG C are dried, obtain the carbon fiber of surface modification；
(2) preparation of high polymer cladding forsterite
Forsterite is ground screening, and ultrasonic disperse, in oxolane and toluene, adds Toluene-2,4-diisocyanate, 4-diisocyanate,
Catalyst, polymerization inhibitor mix homogeneously；At 30 DEG C, it is slowly added dropwise (methyl) Hydroxypropyl acrylate；Liter high-temperature, to 60 DEG C, reacts
8h, obtains high polymer cladding forsterite；
(3) preparation of forsterite-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 85 DEG C together with nylon66 fiber and is dried 8-10h, with carbon fiber, the height of surface modification
Polymers cladding forsterite, sodium lignin sulfonate, potassium hydrogen tartrate add high mixer high speed stirring 50min together, to be mixed
It is added into after Jun Yun double screw extruder melt extrudes, tie rod cooling granulation.
After tested, the LED of present invention forsterite-nylon heat conduction thermal conductivity of composite materials is more than 3W/(m*K),
Water absorption 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 forsterite-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, nylon66 fiber 40-50 part, forsterite 20-30 part, carbon fiber 20-30 part,
Acetone 50-60 part, 60-70% nitric acid 80-100 part, tetraethyl orthosilicate 3-4 part, maleic anhydride 3-4 part, Toluene-2,4-diisocyanate, 4-bis-isocyanide
Acid esters 15-20 part, (methyl) Hydroxypropyl acrylate 20-25 part, catalyst 0.4-1 part, polymerization inhibitor 0.4-2 part, lignin sulfonic acid
Sodium 3-5 part, potassium hydrogen tartrate 3-4 part, oxolane 150-170 part, toluene 80-100 part, deionized water are appropriate.
2. LED forsterite-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 tetraethyl orthosilicate, maleic anhydride and is equivalent to
In the solution of the deionized water configuration of 10-12 times of its total weight parts, ultrasonic 40-50min, 50-60 DEG C is dried, must arrive surface and change
The carbon fiber of property；
(2) preparation of high polymer cladding forsterite
Forsterite is ground screening, and ultrasonic disperse, in oxolane and toluene, adds Toluene-2,4-diisocyanate, 4-diisocyanate,
Catalyst, polymerization inhibitor mix homogeneously；At 30-40 DEG C, it is slowly added dropwise (methyl) Hydroxypropyl acrylate；Rise high-temperature to 50-60
DEG C, react 5-8h, obtain high polymer cladding forsterite；
(3) preparation of forsterite-nylon heat-conductive composite material
Nylon 6 is placed in the blast drier of 80-85 DEG C together with nylon66 fiber and is dried 8-10h, with the carbon fiber of surface modification,
High polymer cladding forsterite, sodium lignin sulfonate, potassium hydrogen tartrate add high mixer high speed stirring 40-50min together, treat
It is added into after mix homogeneously double screw extruder melt extrudes, tie rod cooling granulation.
3. LED forsterite-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.
4. LED forsterite-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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542395.7A CN106189212A (en) | 2016-07-11 | 2016-07-11 | A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542395.7A CN106189212A (en) | 2016-07-11 | 2016-07-11 | A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106189212A true CN106189212A (en) | 2016-12-07 |
Family
ID=57476817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542395.7A Pending CN106189212A (en) | 2016-07-11 | 2016-07-11 | A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106189212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353499A (en) * | 2017-08-04 | 2017-11-17 | 武汉理工大学 | A kind of carbon fiber reinforced polypropylene composite material and preparation method thereof |
| WO2019037564A1 (en) * | 2017-08-25 | 2019-02-28 | 四川依菲兰科技有限公司 | Non-metal composite nano heat dissipation material and preparation method therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177823A (en) * | 2014-08-12 | 2014-12-03 | 上海交通大学 | Carbon fiber reinforced nylon 6 resin composite material and preparation method thereof |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
-
2016
- 2016-07-11 CN CN201610542395.7A patent/CN106189212A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177823A (en) * | 2014-08-12 | 2014-12-03 | 上海交通大学 | Carbon fiber reinforced nylon 6 resin composite material and preparation method thereof |
| CN105348867A (en) * | 2015-12-16 | 2016-02-24 | 江南大学 | Modification method of nano aluminium oxide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353499A (en) * | 2017-08-04 | 2017-11-17 | 武汉理工大学 | A kind of carbon fiber reinforced polypropylene composite material and preparation method thereof |
| WO2019037564A1 (en) * | 2017-08-25 | 2019-02-28 | 四川依菲兰科技有限公司 | Non-metal composite nano heat dissipation material and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103013086B (en) | Heat conduction material co-extruded with optical diffusion material, and preparation method thereof | |
| CN106189212A (en) | A kind of LED forsterite nylon heat-conductive composite material and preparation method thereof | |
| CN106189213A (en) | A kind of LED metallic fiber nylon heat-conductive composite material and preparation method thereof | |
| CN106009647A (en) | Glass fiber reinforcement nylon heat conduction composite material for LED lamp and preparing method thereof | |
| CN106046770A (en) | Wave-absorbing LED-lamp nylon heat-conduction composite and preparing method thereof | |
| CN106009646A (en) | Aging-resistant aluminum oxide-nylon heat conducting composite material for LED lamps and preparation method of composite material | |
| CN105524447A (en) | PC-PET-based LED heat dissipation material containing modified potassium hexatitanate whisker-carbon nanotubes, and a preparation method thereof | |
| CN106046769A (en) | Carbon nanosphere particle-nylon heat-conductive composite material for LED lamp and preparation method of material | |
| CN106147215A (en) | A kind of LED boron nitride nylon heat-conductive composite material and preparation method thereof | |
| CN106009651A (en) | Silicon carbide-polyamide thermal conductive composite material for LED lamps and preparation method of material | |
| CN106147217A (en) | A kind of LED magnesium carbonate nylon heat-conductive composite material and preparation method thereof | |
| CN106046771A (en) | Weather-resistance LED-lamp aluminum oxide-nylon heat-conduction composite and preparing method thereof | |
| CN105385132A (en) | PC-PET-based LED heat dissipating material containing modified boron nitride fiber-carbon nano tube powder and preparing method thereof | |
| CN105255183A (en) | Magnesium oxide whisker-nanometer boron nitride filling-modified PPS/PBT composite thermal conductive plastic for LEDs and preparation method thereof | |
| CN106009648A (en) | Titanium dioxide-polyamide thermal conductive composite material for LED lamps and preparation method of material | |
| CN106009650A (en) | Graphite-nylon heat conductive composite material for high-strength LED lamp and preparation method thereof | |
| CN106147216A (en) | A kind of LED is with not carrying out powder nylon heat-conductive composite material and preparation method thereof | |
| CN106084762A (en) | A kind of LED calcium fluoride nylon heat-conductive composite material and preparation method thereof | |
| CN106167618A (en) | A kind of LED Pulvis Talci nylon heat-conductive composite material and preparation method thereof | |
| CN106084761A (en) | A kind of LED alumina silicate fibre nylon heat-conductive composite material and preparation method thereof | |
| CN106046768A (en) | Modified medium sand-nylon heat-conductive composite material for LED lamp and preparation method of material | |
| CN106046767A (en) | Bentonite-nylon heat-conductive composite material for LED lamp and preparation method of material | |
| CN106009652A (en) | Aluminum oxide-nylon heat conduction composite material for LED lamp and preparing method thereof | |
| CN106009649A (en) | Antibacterial nylon heat-conductive composite material for LED lamp and preparation method of material | |
| CN106084753B (en) | A kind of dedicated ultraviolet resistance stretch-proof organic composite material of LED lens and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |