CN108485268A - A kind of silicon rubber Heat Conduction Material and preparation method thereof containing carbon nanotube - Google Patents
A kind of silicon rubber Heat Conduction Material and preparation method thereof containing carbon nanotube Download PDFInfo
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- CN108485268A CN108485268A CN201810166500.0A CN201810166500A CN108485268A CN 108485268 A CN108485268 A CN 108485268A CN 201810166500 A CN201810166500 A CN 201810166500A CN 108485268 A CN108485268 A CN 108485268A
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- carbon nanotube
- heat conduction
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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
- C08K3/041—Carbon nanotubes
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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
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material includes silicon rubber, carbon nanotube, inorganic heat filling.The invention also discloses a kind of preparation methods of the silicon rubber Heat Conduction Material containing carbon nanotube.The carbon nanotube that the present invention adds easily forms effective heat conduction network in silicon rubber, and therefore, the carbon nanotube of addition can significantly improve the heat conductivility of silicon rubber.The method of the present invention is simple to operation, safe.
Description
Technical field
The present invention relates to field of rubber technology, and in particular to a kind of silicon rubber Heat Conduction Material and its system containing carbon nanotube
Preparation Method.
Background technology
With the fast development of the high-tech areas such as Aeronautics and Astronautics, electric, the heat conductivility of rubber increasingly by
Pay attention to.For example, the rubber seal of High performance electronics should have excellent heat conductivility and insulation performance, have again
Moisture-proof, dust-proof and damping performance；Chemical industry produces and the fields such as wastewater treatment require heat exchanger rubber washer to have well
Heat conductivility, high temperature resistance and resistance to chemical corrosion；Turbocharger air pipeline and oil returning tube flexible rubber connect
Head requires excellent heat conductivility, high temperature resistance and medium-resistance.Heat conductive rubber has thermal conductivity height, compressive deformation
The features such as small, electrical insulation capability and good seal performance, substitutes General Purpose Rubber material or other polymeric materials for first device that generates heat
Part radiate when, can effectively remove between cold and hot interface residual air (thermal conductivity of air be about Heat Conduction Material tens/
One), so as to improve heat dissipation effect, while insulation and cushioning effect being played.Due to the above advantages, heat conductive rubber is in heat conduction material
Material field is concerned.
Invention content
Technical problems based on background technology, the present invention propose a kind of silicon rubber heat conduction material containing carbon nanotube
Material and preparation method thereof, thermal coefficient of the present invention is high, safety is good.
The present invention proposes a kind of silicon rubber Heat Conduction Material containing carbon nanotube, and raw material includes silicon rubber, carbon nanometer
Pipe, inorganic heat filling.
Preferably, mass fraction of the carbon nanotube in Heat Conduction Material is 0.1-10wt%.
Preferably, mass fraction of the carbon nanotube in Heat Conduction Material is 1-5wt%.
The present invention also proposes a kind of preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, including walks as follows
Suddenly：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained.
Preferably, in S2, the temperature of the grinding is 10-20 DEG C, milling time 1-5h.
Preferably, in S3, the vulcanizing treatment is that first rubber performed polymer is placed on vulcanizing press to carry out one step cure,
Carry out post vulcanization in an oven again.
Beneficial effects of the present invention：The carbon nanotube that the present invention adds easily forms effective heat conduction network in silicon rubber,
Therefore, the carbon nanotube of present invention addition 0.1-10wt% can significantly improve the heat conductivility of silicon rubber.The present invention contains carbon
The thermal coefficient of the silicon rubber Heat Conduction Material of nanotube is higher, can be used for the heat dissipation position of electronic product.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material include that silicon rubber, carbon nanotube, inorganic heat conduction are filled out
Material；Wherein, mass fraction of the carbon nanotube in Heat Conduction Material is 10wt%.
The preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained；
Wherein, in S2, the temperature of the grinding is 10 DEG C, milling time 5h；In S3, the vulcanizing treatment is first by rubber
Glue performed polymer, which is placed on vulcanizing press, carries out one step cure, then carries out post vulcanization in an oven.
Embodiment 2
A kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material include that silicon rubber, carbon nanotube, inorganic heat conduction are filled out
Material；Wherein, mass fraction of the carbon nanotube in Heat Conduction Material is 0.1wt%.
The preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained；
Wherein, in S2, the temperature of the grinding is 20 DEG C, milling time 1h；In S3, the vulcanizing treatment is first by rubber
Glue performed polymer, which is placed on vulcanizing press, carries out one step cure, then carries out post vulcanization in an oven.
Embodiment 3
A kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material include that silicon rubber, carbon nanotube, inorganic heat conduction are filled out
Material；Wherein, mass fraction of the carbon nanotube in Heat Conduction Material is 5wt%.
The preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained；
Wherein, in S2, the temperature of the grinding is 12 DEG C, milling time 4h；In S3, the vulcanizing treatment is first by rubber
Glue performed polymer, which is placed on vulcanizing press, carries out one step cure, then carries out post vulcanization in an oven.
Embodiment 4
A kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material include that silicon rubber, carbon nanotube, inorganic heat conduction are filled out
Material；Wherein, mass fraction of the carbon nanotube in Heat Conduction Material is 1wt%.
The preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained；
Wherein, in S2, the temperature of the grinding is 18 DEG C, milling time 2h；In S3, the vulcanizing treatment is first by rubber
Glue performed polymer, which is placed on vulcanizing press, carries out one step cure, then carries out post vulcanization in an oven.
Embodiment 5
A kind of silicon rubber Heat Conduction Material containing carbon nanotube, raw material include that silicon rubber, carbon nanotube, inorganic heat conduction are filled out
Material；Wherein, mass fraction of the carbon nanotube in Heat Conduction Material is 3wt%.
The preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nanotube is molten
Liquid；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, rubber is pre-
After the processing of aggressiveness atmospheric pressure vulcanization, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained；
Wherein, in S2, the temperature of the grinding is 15 DEG C, milling time 3h；In S3, the vulcanizing treatment is first by rubber
Glue performed polymer, which is placed on vulcanizing press, carries out one step cure, then carries out post vulcanization in an oven.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of silicon rubber Heat Conduction Material containing carbon nanotube, which is characterized in that its raw material include silicon rubber, carbon nanotube,
Inorganic heat filling.
2. the silicon rubber Heat Conduction Material containing carbon nanotube according to claim 1, which is characterized in that the carbon nanotube exists
Mass fraction in Heat Conduction Material is 0.1-10wt%.
3. the silicon rubber Heat Conduction Material according to claim 1 or claim 2 containing carbon nanotube, which is characterized in that the carbon nanometer
Mass fraction of the pipe in Heat Conduction Material is 1-5wt%.
4. a kind of preparation method according to the silicon rubber Heat Conduction Material containing carbon nanotube described in claim any one of 1-3,
It is characterized in that, includes the following steps：
S1, silicon rubber and carbon nanotube is scattered in homogeneous solvent respectively, forms silicone rubber solution and carbon nano-tube solution；
S2, the silicone rubber solution and carbon nano-tube solution are ground after evenly mixing, removes solvent and obtains preformed rubber；
S3, the preformed rubber, inorganic heat filling, crosslinking agent mixing are uniformly obtained into rubber performed polymer, by rubber performed polymer
After atmospheric pressure vulcanization processing, the silicon rubber Heat Conduction Material containing carbon nanotube is obtained.
5. the preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube according to claim 4, which is characterized in that S2
In, the temperature of the grinding is 10-20 DEG C, milling time 1-5h.
6. the preparation method of the silicon rubber Heat Conduction Material containing carbon nanotube according to claim 4, which is characterized in that S3
In, the vulcanizing treatment is first rubber performed polymer to be placed on vulcanizing press to carry out one step cure, then carry out two in an oven
Section vulcanization.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166500.0A CN108485268A (en) | 2018-02-28 | 2018-02-28 | A kind of silicon rubber Heat Conduction Material and preparation method thereof containing carbon nanotube |
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| CN201810166500.0A CN108485268A (en) | 2018-02-28 | 2018-02-28 | A kind of silicon rubber Heat Conduction Material and preparation method thereof containing carbon nanotube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117259A (en) * | 2019-12-31 | 2020-05-08 | 兆舜科技(广东)有限公司 | Double-component heat-conducting interface material and use method and application thereof |
| CN115124764A (en) * | 2022-06-10 | 2022-09-30 | 安徽建筑大学 | Flame-retardant heat-conducting agent for silicone rubber and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757648A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Heat-conducting silicon rubber composite material and preparation method thereof |
-
2018
- 2018-02-28 CN CN201810166500.0A patent/CN108485268A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757648A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Heat-conducting silicon rubber composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117259A (en) * | 2019-12-31 | 2020-05-08 | 兆舜科技(广东)有限公司 | Double-component heat-conducting interface material and use method and application thereof |
| CN115124764A (en) * | 2022-06-10 | 2022-09-30 | 安徽建筑大学 | Flame-retardant heat-conducting agent for silicone rubber and preparation method thereof |
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