CN108299819A - A kind of good counter body material of intensity high-termal conductivity and preparation method thereof - Google Patents
A kind of good counter body material of intensity high-termal conductivity and preparation method thereof Download PDFInfo
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- CN108299819A CN108299819A CN201810233487.6A CN201810233487A CN108299819A CN 108299819 A CN108299819 A CN 108299819A CN 201810233487 A CN201810233487 A CN 201810233487A CN 108299819 A CN108299819 A CN 108299819A
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- counter body
- termal conductivity
- body material
- intensity high
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
The invention discloses good counter body materials of a kind of intensity high-termal conductivity and preparation method thereof, are related to computer Material Field, include the raw material of following parts by weight meter：1.5 3.2 parts of 0 70 parts of polyamide 6,20 30 parts of epoxy resin, 8 12 parts of vinyltriethoxysilane, 8 15 parts of kaolin, 8 15 parts of nano silicon dioxide, 36 parts of magnesia, 36 parts of zinc oxide, 6 12 parts of glass fibre, modified 6 12 parts of boron fibre, 5 10 parts of silicon nitride, 38 parts of aluminium nitride, 36 parts of titanium carbide, 48 parts of graphene, 48 parts of carbon nanotube, 25 parts of rare earth element, 2.5 4.2 parts of fire retardant, 2.2 4.5 parts of antioxidant and lubricant；The counter body strength of materials of the present invention is high, internal stress is small, shrinkage is low, chemical stability, good stability of the dimension, and has good thermal diffusivity, and preparation process flow is simple, easy large-scale production.
Description
Technical field
The present invention relates to computer Material Fields, and in particular to a kind of good counter body material of intensity high-termal conductivity and its
Preparation method.
Background technology
Currently, engineering plastics are computer casing or the most common material of notebook computer shell, engineering plastics both had resin excellent
Good heat-resisting, weatherability, dimensional stability and impact resistance, and with the excellent processing fluidity of resin, apply in notebook
On the thin-walleds such as computer casing and complicated shape product, the performance that its can be kept excellent, but the computer casing manufactured has by force
Spend the shortcomings of poor, heat conductivility is poor and can not shield electromagnetic radiation.
Invention content
For problems of the prior art, the present invention provides a kind of good counter body materials of intensity high-termal conductivity
And preparation method thereof, the counter body strength of materials of the present invention is high, internal stress is small, shrinkage is low, chemical stability, dimensionally stable
Property it is good, and have good thermal diffusivity, preparation process flow is simple, easy large-scale production.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of good counter body material of intensity high-termal conductivity, includes the raw material of following parts by weight meter：
Including following raw material by weight：0-70 parts of polyamide 6,20-30 parts of epoxy resin, vinyl triethoxyl
8-12 parts of silane, 8-15 parts of kaolin, 8-15 parts of nano silicon dioxide, 3-6 parts of magnesia, 3-6 parts of zinc oxide, glass fibre 6-
12 parts, modified 6-12 parts of boron fibre, 5-10 parts of silicon nitride, 3-8 parts of aluminium nitride, 3-6 parts of titanium carbide, 4-8 parts of graphene, carbon nanometer
1.5-3.2 parts of 4-8 parts of pipe, 2-5 parts of rare earth element, 2.5-4.2 parts of fire retardant, 2.2-4.5 parts of antioxidant and lubricant.
Preferably, include the raw material of following parts by weight meter：Polyamide 66 part, 24 parts of epoxy resin, vinyl triethoxyl
10 parts of silane, 12 parts of kaolin, 12 parts of nano silicon dioxide, 5 parts of magnesia, 5 parts of zinc oxide, 10 parts of glass fibre, modified boron
9 parts of fiber, 7 parts of silicon nitride, 5 parts of aluminium nitride, 4 parts of titanium carbide, 5 parts of graphene, 5 parts of carbon nanotube, 3.5 parts of rare earth element, resistance
Fire 2.5 parts of 3.4 parts of agent, 3.8 parts of antioxidant and lubricant.
Preferably, the preparation method of the modified boron fibre is：By boron fibre and its weight 4-7% coupling agents, 6-12%
After glycidyl methacrylate is uniformly mixed, with ultrasonic dispersing machine under 50-70 degrees Celsius, 10-15 points of dispersion
Clock, then under 48-60 degrees Celsius, with gamma-ray irradiation 5-10 minutes to get the modified boron fibre.
Preferably, the gamma-ray irradiation dosage is 150-230kGy.
Preferably, the fire retardant is phosphorus flame retardant fire retardant.
Preferably, the antioxidant be four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters and
Phosphite ester is according to mass ratio 3:1 mixing composition.
Preferably, the lubricant is that one or more of talcum powder, magnesium stearate, graphite and molybdenum disulfide combine.
A kind of preparation method of the good counter body material of above-mentioned intensity high-termal conductivity is also disclosed in the present invention, specifically
Ground includes the following steps：
(1) each component is weighed according to the raw material of above-mentioned parts by weight meter；
(2) by kaolin, nano silicon dioxide, magnesia, zinc oxide, glass fibre, modified boron fibre, silicon nitride, nitrogen
Change aluminium, titanium carbide, graphene, carbon nanotube, rare earth element, fire retardant, antioxidant and mix lubricant to be added in ball mill,
Ground and mixed, until grain diameter is to 200-400 mesh, it is spare；
(3) polyamide, epoxy resin and vinyltriethoxysilane are added in high-speed shearing machine, are warming up to 200-
230 degrees Celsius, heating melting, shear-mixed is uniform, and the mixture in step (2) is then added, under 200-230 degrees Celsius,
Continue high speed shear 20-30 minutes；
(4) material made from step (3) is added in double screw extruder and carries out extruding pelletization, extrusion temperature 150-180
Degree Celsius, pellet after extrusion is put into mold and carries out compression molding, 80-100 degrees Celsius of molding temperature naturally cools to room
Wen Hou demoulds to get the good counter body material of the intensity high-termal conductivity.
The present invention has following advantageous effect：
(1) the counter body strength of materials of the present invention is high, internal stress is small, shrinkage is low, chemical stability, dimensional stability
It is good, and there is good thermal diffusivity, preparation process flow is simple, easy large-scale production.
(2) present invention addition polyamide ligand closes epoxy resin and is used as primary raw material, intensity height, dielectric after epoxy resin cure
Performance is high, and has the advantages that Anti-mildew capability and good weatherability.
(3) added with modified boron fibre in raw material of the present invention, boron fibre intensity is high, light weight, the intensity of reinforcing material, together
When boron fibre have the characteristics that high-termal conductivity and low thermal coefficient of expansion, be conducive to counter body rapid cooling, modified boron
Fiber can effectively improve the surface-active and wellability of boron fibre, increase compatibility and the combination of boron fibre and composite material
Property.
(4) be added with graphene and carbon nanotube in the present invention, graphene and carbon nanotube improve material thermal conductivity and
Electromagnetic wave shielding enhances the heat dissipation performance of casing and reduces radiation.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of good counter body material of intensity high-termal conductivity, includes the raw material of following parts by weight meter：
0 part of polyamide 6,20 parts of epoxy resin, 8 parts of vinyltriethoxysilane, 8 parts of kaolin, nano silicon dioxide 8
Part, 3 parts of magnesia, 3 parts of zinc oxide, 6 parts of glass fibre, modified 6 parts of boron fibre, 5 parts of silicon nitride, 3 parts of aluminium nitride, titanium carbide 3
Part, 4 parts of graphene, 4 parts of carbon nanotube, 2 parts of rare earth element, 2.5 parts of fire retardant, 2.2 parts of antioxidant and 1.5 parts of lubricant.
The preparation method of modified boron fibre is：Boron fibre and its 4% coupling agent of weight, 6% Glycidyl methacrylate is sweet
After grease is uniformly mixed, at 50 c with ultrasonic dispersing machine, disperse 10 minutes, then under 48 degrees Celsius, uses
Gamma-ray irradiation 5 minutes is to get the modified boron fibre.
Gamma-ray irradiation dosage is 150kGy.
Fire retardant is phosphorus flame retardant fire retardant.
Antioxidant be four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters and phosphite ester according to
Mass ratio 3:1 mixing composition.
Lubricant is talcum powder.
A kind of preparation method of the good counter body material of above-mentioned intensity high-termal conductivity is also disclosed in the present embodiment, specifically
Ground includes the following steps：
(1) each component is weighed according to the raw material of above-mentioned parts by weight meter；
(2) by kaolin, nano silicon dioxide, magnesia, zinc oxide, glass fibre, modified boron fibre, silicon nitride, nitrogen
Change aluminium, titanium carbide, graphene, carbon nanotube, rare earth element, fire retardant, antioxidant and mix lubricant to be added in ball mill,
Ground and mixed, until grain diameter is to 200 mesh, it is spare；
(3) polyamide, epoxy resin and vinyltriethoxysilane are added in high-speed shearing machine, are warming up to 200 and take the photograph
Family name's degree, heating melting, shear-mixed is uniform, and the mixture in step (2) is then added, and at 200 degrees celsius, continues high speed and cuts
It cuts 20 minutes；
(4) material made from step (3) is added in double screw extruder and carries out extruding pelletization, extrusion temperature 150 is Celsius
Pellet after extrusion is put into mold and carries out compression molding by degree, 80 degrees Celsius of molding temperature, after cooled to room temperature, is taken off
Mould is to get the good counter body material of the intensity high-termal conductivity.
Embodiment 2
A kind of good counter body material of intensity high-termal conductivity, includes the raw material of following parts by weight meter：
70 parts of polyamide, 30 parts of epoxy resin, 12 parts of vinyltriethoxysilane, 15 parts of kaolin, nanometer titanium dioxide
15 parts of silicon, 6 parts of magnesia, 6 parts of zinc oxide, 12 parts of glass fibre, modified 12 parts of boron fibre, 10 parts of silicon nitride, 8 parts of aluminium nitride,
6 parts of titanium carbide, 8 parts of graphene, 8 parts of carbon nanotube, 5 parts of rare earth element, 4.2 parts of fire retardant, 4.5 parts of antioxidant and lubricant
3.2 part.
The preparation method of modified boron fibre is：Boron fibre and its 7% coupling agent of weight, 12% Glycidyl methacrylate is sweet
After grease is uniformly mixed, with ultrasonic dispersing machine under 70 degrees Celsius, disperses 15 minutes, then at 60 c, use
Gamma-ray irradiation 10 minutes is to get the modified boron fibre.
Gamma-ray irradiation dosage is 230kGy.
Fire retardant is phosphorus flame retardant fire retardant.
Antioxidant be four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters and phosphite ester according to
Mass ratio 3:1 mixing composition.
Lubricant is magnesium stearate and graphite according to mass ratio 1:1 mixing composition.
A kind of preparation method of the good counter body material of above-mentioned intensity high-termal conductivity is also disclosed in the present embodiment, specifically
Ground includes the following steps：
(1) each component is weighed according to the raw material of above-mentioned parts by weight meter；
(2) by kaolin, nano silicon dioxide, magnesia, zinc oxide, glass fibre, modified boron fibre, silicon nitride, nitrogen
Change aluminium, titanium carbide, graphene, carbon nanotube, rare earth element, fire retardant, antioxidant and mix lubricant to be added in ball mill,
Ground and mixed, until grain diameter is to 400 mesh, it is spare；
(3) polyamide, epoxy resin and vinyltriethoxysilane are added in high-speed shearing machine, are warming up to 230 and take the photograph
Family name's degree, heating melting, shear-mixed is uniform, and the mixture in step (2) is then added, and under 230 degrees Celsius, continues high speed and cuts
It cuts 30 minutes；
(4) material made from step (3) is added in double screw extruder and carries out extruding pelletization, extrusion temperature 180 is Celsius
Pellet after extrusion is put into mold and carries out compression molding by degree, 100 degrees Celsius of molding temperature, after cooled to room temperature, is taken off
Mould is to get the good counter body material of the intensity high-termal conductivity.
Embodiment 3
A kind of good counter body material of intensity high-termal conductivity, includes the raw material of following parts by weight meter：
Polyamide 66 part, 24 parts of epoxy resin, 10 parts of vinyltriethoxysilane, 12 parts of kaolin, nanometer titanium dioxide
12 parts of silicon, 5 parts of magnesia, 5 parts of zinc oxide, 10 parts of glass fibre, modified 9 parts of boron fibre, 7 parts of silicon nitride, 5 parts of aluminium nitride, carbon
Change 4 parts of titanium, 5 parts of graphene, 5 parts of carbon nanotube, 3.5 parts of rare earth element, 3.4 parts of fire retardant, 3.8 parts of antioxidant and lubricant
2.5 part.
The preparation method of modified boron fibre is：Boron fibre and its 6% coupling agent of weight, 10% Glycidyl methacrylate is sweet
After grease is uniformly mixed, with ultrasonic dispersing machine under 55 degrees Celsius, disperse 13 minutes, then under 58 degrees Celsius, uses
Gamma-ray irradiation 8 minutes is to get the modified boron fibre.
Gamma-ray irradiation dosage is 200kGy.
Fire retardant is phosphorus flame retardant fire retardant.
Antioxidant be four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters and phosphite ester according to
Mass ratio 3:1 mixing composition.
Lubricant is molybdenum disulfide.
A kind of preparation method of the good counter body material of above-mentioned intensity high-termal conductivity is also disclosed in the present embodiment, specifically
Ground includes the following steps：
(1) each component is weighed according to the raw material of above-mentioned parts by weight meter；
(2) by kaolin, nano silicon dioxide, magnesia, zinc oxide, glass fibre, modified boron fibre, silicon nitride, nitrogen
Change aluminium, titanium carbide, graphene, carbon nanotube, rare earth element, fire retardant, antioxidant and mix lubricant to be added in ball mill,
Ground and mixed, until grain diameter is to 300 mesh, it is spare；
(3) polyamide, epoxy resin and vinyltriethoxysilane are added in high-speed shearing machine, are warming up to 218 and take the photograph
Family name's degree, heating melting, shear-mixed is uniform, and the mixture in step (2) is then added, and under 218 degrees Celsius, continues high speed and cuts
It cuts 26 minutes；
(4) material made from step (3) is added in double screw extruder and carries out extruding pelletization, extrusion temperature 165 is Celsius
Pellet after extrusion is put into mold and carries out compression molding by degree, 92 degrees Celsius of molding temperature, after cooled to room temperature, is taken off
Mould is to get the good counter body material of the intensity high-termal conductivity.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of good counter body material of intensity high-termal conductivity, which is characterized in that including following raw material by weight：It is poly-
60-70 parts of amide, 20-30 parts of epoxy resin, 8-12 parts of vinyltriethoxysilane, 8-15 parts of kaolin, nanometer titanium dioxide
8-15 parts of silicon, 3-6 parts of magnesia, 3-6 parts of zinc oxide, 6-12 parts of glass fibre, modified 6-12 parts of boron fibre, silicon nitride 5-10
Part, 3-8 parts of aluminium nitride, 3-6 parts of titanium carbide, 4-8 parts of graphene, 4-8 parts of carbon nanotube, 2-5 parts of rare earth element, fire retardant 2.5-
1.5-3.2 parts of 4.2 parts, 2.2-4.5 parts of antioxidant and lubricant.
2. the good counter body material of intensity high-termal conductivity according to claim 1, which is characterized in that including following weight
The raw material of part meter：Polyamide 66 part, 24 parts of epoxy resin, 10 parts of vinyltriethoxysilane, 12 parts of kaolin, nano-silica
12 parts of SiClx, 5 parts of magnesia, 5 parts of zinc oxide, 10 parts of glass fibre, modified 9 parts of boron fibre, 7 parts of silicon nitride, 5 parts of aluminium nitride,
4 parts of titanium carbide, 5 parts of graphene, 5 parts of carbon nanotube, 3.5 parts of rare earth element, 3.4 parts of fire retardant, 3.8 parts of antioxidant and lubrication
2.5 parts of agent.
3. the good counter body material of intensity high-termal conductivity according to claim 1, which is characterized in that the modified boron is fine
The preparation method of dimension is：Boron fibre and its weight 4-7% coupling agents, 6-12% glycidyl methacrylate are stirred
After uniformly, with ultrasonic dispersing machine under 50-70 degrees Celsius, disperses 10-15 minutes, then under 48-60 degrees Celsius, penetrated with γ
Line irradiates 5-10 minutes to get the modified boron fibre.
4. the good counter body material of intensity high-termal conductivity according to claim 3, which is characterized in that the gamma-rays spoke
It is 150-230kGy according to dosage.
5. the good counter body material of intensity high-termal conductivity according to claim 1, which is characterized in that the fire retardant is
Phosphorus flame retardant fire retardant.
6. the good counter body material of intensity high-termal conductivity according to claim 1, which is characterized in that the antioxidant
It is four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters and phosphite ester according to mass ratio 3:1 mixing group
At.
7. the good counter body material of intensity high-termal conductivity according to claim 1, which is characterized in that the lubricant is
One or more of talcum powder, magnesium stearate, graphite and molybdenum disulfide combine.
8. a kind of preparation method of such as good counter body material of claim 1-7 any one of them intensity high-termal conductivity,
It is characterized in that, includes the following steps：
(1) each component is weighed according to the raw material of above-mentioned parts by weight meter；
(2) by kaolin, nano silicon dioxide, magnesia, zinc oxide, glass fibre, modified boron fibre, silicon nitride, aluminium nitride,
Titanium carbide, graphene, carbon nanotube, rare earth element, fire retardant, antioxidant and mix lubricant are added in ball mill, grinding
Mixing, until grain diameter is to 200-400 mesh, it is spare；
(3) polyamide, epoxy resin and vinyltriethoxysilane are added in high-speed shearing machine, are warming up to 200-230 and take the photograph
Family name's degree, heating melting, shear-mixed is uniform, and the mixture in step (2) is then added, and under 200-230 degrees Celsius, continues high
Speed shearing 20-30 minutes；
(4) material made from step (3) is added in double screw extruder and carries out extruding pelletization, extrusion temperature 150-180 is Celsius
Pellet after extrusion is put into mold and carries out compression molding, 80-100 degrees Celsius of molding temperature, cooled to room temperature by degree
Afterwards, demoulding is to get the good counter body material of the intensity high-termal conductivity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810233487.6A CN108299819A (en) | 2018-03-21 | 2018-03-21 | A kind of good counter body material of intensity high-termal conductivity and preparation method thereof |
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| CN201810233487.6A CN108299819A (en) | 2018-03-21 | 2018-03-21 | A kind of good counter body material of intensity high-termal conductivity and preparation method thereof |
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| CN109228600A (en) * | 2018-09-10 | 2019-01-18 | 广州高雅电器有限公司 | A kind of LED light carrying material resistant to high temperature and preparation method |
| CN110229515A (en) * | 2019-06-28 | 2019-09-13 | 江苏晋伦塑料科技有限公司 | A kind of high heat resistance daiamid composition and preparation method thereof |
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Application publication date: 20180720 |