CN109161200A - A kind of energy storage heat dissipation silicon rubber composite material and preparation method thereof - Google Patents
A kind of energy storage heat dissipation silicon rubber composite material and preparation method thereof Download PDFInfo
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- CN109161200A CN109161200A CN201810676852.0A CN201810676852A CN109161200A CN 109161200 A CN109161200 A CN 109161200A CN 201810676852 A CN201810676852 A CN 201810676852A CN 109161200 A CN109161200 A CN 109161200A
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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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- 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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
Abstract
A kind of silicon rubber composite material and preparation method thereof, belong to macromolecule heat conduction material technical field, relate generally to a kind of energy storage heat dissipation silicon rubber composite material and preparation method thereof, in order to solve the problem of that common heat-conducting medium in the prior art and Heat Conduction Material cannot well radiate to electronic component because thermal conductivity is limited；A kind of energy storage heat dissipation silicon rubber composite material, includes following material: 100-145 parts of hydroxyl-terminated injecting two methyl siloxane, 1~15 part of phase-change microcapsule by weight, 5~50 parts of heat filling, 1~30 part of fire-retardant filler, 1~10 part of filler, 3~15 parts of crosslinking agent, 0.1~5 part of silane coupling agent；Present invention simultaneously discloses preparation methods, including four steps；Preparation process of the present invention is simple, product energy storage excellent thermal conductivity, and thermal conductivity is high, while having both good flame retardant property, waterproof, damping, anti-acoustic capability.
Description
Technical field
A kind of silicon rubber composite material and preparation method thereof, belongs to macromolecule heat conduction material technical field, relates generally to one
Kind energy storage heat dissipation silicon rubber composite material and preparation method thereof.
Background technique
Electronic and electrical equipment since temperature raises, will affect its using effect and service life in use.In order to
Solve the heat dissipation problem of heating electronic component, it usually needs install radiator additional, in case electronic component is in use
Since high temperature bring adversely affects.Common heat-conducting medium and Heat Conduction Material, cannot be well to electronics because thermal conductivity is limited
Component radiates.And the silicon rubber that joined phase-change material meets material with splendid thermal conductivity, anti-flammability, it is good
Insulating properties, and the protections such as water, shock buffering can be provided for electronic component.Phase-change material (Phase change
Material, PCM) refer to can be used in its states of matter variation when a large amount of thermal energy of absorption/releasing be used for energy storage material.
This material is added after silicon rubber Heat Conduction Material, can provide the temperature field of stabiliser bar to the electric components protected, prevent
Only hot-spot.When the temperature of electronic component is increased to the phase transition temperature of phase-change material, these materials will be undergone phase transition
Amount of heat is absorbed, so that electronic component heating position is obtained rapid cooling, guarantees its normal operation.
Summary of the invention
To solve the above-mentioned problems, the invention discloses a kind of energy storage heat dissipation silicon rubber composite material and preparation method thereof,
Product preparation process is simple, product energy storage excellent thermal conductivity, and thermal conductivity is high, while having both good flame retardant property, waterproof, subtracting
Shake, anti-acoustic capability.Product specific gravity is small, and composite light-weight quantization requires, it is easy to accomplish.
The object of the present invention is achieved like this:
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
100-145 parts of methylsiloxane, 1~15 part of phase-change microcapsule, 5~50 parts of heat filling, 1~30 part of fire-retardant filler, filler 1~
10 parts, 3~15 parts of crosslinking agent, 0.1~5 part of silane coupling agent.
Further, the phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, described
Inner nuclear material is one of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin or several
Kind.
Further, the sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, poly- second
One or more of alkene, polystyrene, polyamide, polyurethane.
Further, the heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
Further, the fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
Further, the filler be powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica,
Silicon powder, carbon black are one such or several.
Further, the crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four
Butanone oximino silane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane its
One or more of.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, 30~150min of heating time, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
30~60min of stirring, vacuum degree -0.09MPa are vacuumized again, and 25~50Hz of speed of agitator is prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky 10~45min of stirring, vacuum degree -0.09MPa, 35~50Hz of speed of agitator obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
Further, the phase-change microcapsule is prepared by interfacial polymerization.
Compared with prior art, the present invention having the following beneficial effects: a kind of energy storage heat dissipation disclosed according to the present invention
Silicon rubber composite material and preparation method thereof, product preparation process is simple, product energy storage excellent thermal conductivity, and thermal conductivity is high, together
When have both good flame retardant property, waterproof, damping, anti-acoustic capability.Product specific gravity is small, and composite light-weight quantization requires, using condensed type
Silicon rubber and phase-change material are compound as energy storage heat sink material, increase the type of product, expand use scope.
Specific embodiment
Embodiment 1
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
100 parts of methylsiloxane, 1 part of phase-change microcapsule, heat filling 5,1 part of fire-retardant filler, 1 part of filler, 3 parts of crosslinking agent, silane is even
0.1 part of agent of connection.
The phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, the inner nuclear material
For one or more of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin.
The sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polyphenyl second
One or more of alkene, polyamide, polyurethane.
The heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
The fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
The filler is powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, charcoal
It is black one such or several.
The crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximido silicon
Alkane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane it is one such or
It is several.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, heating time 30min, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
Stirring 30min is vacuumized again, and vacuum degree -0.09MPa, speed of agitator 25Hz are prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky stirring 10min, vacuum degree -0.09MPa, speed of agitator 35Hz obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
The phase-change microcapsule is prepared by interfacial polymerization.
Embodiment 2
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
110 parts of methylsiloxane, 5 parts of phase-change microcapsule, 10 parts of heat filling, 8 parts of fire-retardant filler, 3 parts of filler, 8 parts of crosslinking agent, silane
0.8 part of coupling agent.
The phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, the inner nuclear material
For one or more of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin.
The sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polyphenyl second
One or more of alkene, polyamide, polyurethane.
The heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
The fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
The filler is powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, charcoal
It is black one such or several.
The crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximido silicon
Alkane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane it is one such or
It is several.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, heating time 60min, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
Stirring 40min is vacuumized again, and vacuum degree -0.09MPa, speed of agitator 30Hz are prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky stirring 20min, vacuum degree -0.09MPa, speed of agitator 40Hz obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
The phase-change microcapsule is prepared by interfacial polymerization.
Embodiment 3
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
120 parts of methylsiloxane, 8 parts of phase-change microcapsule, 25 parts of heat filling, 15 parts of fire-retardant filler, 5 parts of filler, 10 parts of crosslinking agent, silicon
2.5 parts of alkane coupling agent.
The phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, the inner nuclear material
For one or more of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin.
The sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polyphenyl second
One or more of alkene, polyamide, polyurethane.
The heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
The fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
The filler is powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, charcoal
It is black one such or several.
The crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximido silicon
Alkane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane it is one such or
It is several.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, heating time 90min, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
Stirring 50min is vacuumized again, and vacuum degree -0.09MPa, speed of agitator 35Hz are prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky stirring 30min, vacuum degree -0.09MPa, speed of agitator 42Hz obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
The phase-change microcapsule is prepared by interfacial polymerization.
Embodiment 4
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
130 parts of methylsiloxane, 10 parts of phase-change microcapsule, 40 parts of heat filling, 25 parts of fire-retardant filler, 8 parts of filler, 12 parts of crosslinking agent,
3.5 parts of silane coupling agent.
The phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, the inner nuclear material
For one or more of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin.
The sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polyphenyl second
One or more of alkene, polyamide, polyurethane.
The heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
The fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
The filler is powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, charcoal
It is black one such or several.
The crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximido silicon
Alkane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane it is one such or
It is several.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, heating time 120min, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
Stirring 55min is vacuumized again, and vacuum degree -0.09MPa, speed of agitator 40Hz are prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky stirring 40min, vacuum degree -0.09MPa, speed of agitator 48Hz obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
The phase-change microcapsule is prepared by interfacial polymerization.
Embodiment 5
A kind of energy storage heat dissipation silicon rubber composite material, it is characterised in that: by weight include following material: terminal hydroxy group poly- two
145 parts of methylsiloxane, 15 parts of phase-change microcapsule, 50 parts of heat filling, 30 parts of fire-retardant filler, 10 parts of filler, 15 parts of crosslinking agent,
5 parts of silane coupling agent.
The phase-change microcapsule is solid-liquid phase-change material, the shell including kernel and encirclement kernel, the inner nuclear material
For one or more of inorganic salts, hydrated salt, fatty acid, paraffin, alcohols, esters, long chain alkane, long-chain olefin.
The sheathing material is melamine-formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polyphenyl second
One or more of alkene, polyamide, polyurethane.
The heat filling is that aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
The fire-retardant filler is that aluminium hydroxide, magnesium hydroxide are one such or two kinds.
The filler is powdered whiting, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, charcoal
It is black one such or several.
The crosslinking agent is tetramethoxy-silicane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximido silicon
Alkane, methyl tributanoximo silane, methyl ethylene tributanoximo silane, phenyl tributanoximo silane it is one such or
It is several.
A kind of preparation method of energy storage heat dissipation silicon rubber composite material, comprising the following steps:
S1: phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane are heated to blending first, and that phase-change material is made is pre-
Mixing, 100 DEG C of heating temperature, heating time 150min, mixing speed vacuum degree -0.09MPa；
S2: being added heat filling, fire-retardant filler hydroxyl-terminated injecting two methyl siloxane and stir evenly, add crosslinking agent,
Stirring 60min is vacuumized again, and vacuum degree -0.09MPa, speed of agitator 50Hz are prepared into silicon rubber component A；
S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, are taken out true
Sky stirring 45min, vacuum degree -0.09MPa, speed of agitator 50Hz obtain silicon rubber B component；
S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and it is compound that molding obtains energy storage heat dissipation silicon rubber
Material.
The phase-change microcapsule is prepared by interfacial polymerization.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone 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 (9)
- The silicon rubber composite material 1. a kind of energy storage is radiated, it is characterised in that: by weight include following material: the poly- diformazan of terminal hydroxy group 100-145 parts of radical siloxane, 1~15 part of phase-change microcapsule, 5~50 parts of heat filling, 1~30 part of fire-retardant filler, filler 1~10 Part, 3~15 parts of crosslinking agent, 0.1~5 part of silane coupling agent.
- The silicon rubber composite material 2. a kind of energy storage according to claim 1 is radiated, it is characterised in that: the phase-change microcapsule For solid-liquid phase-change material, including kernel and surround the shell of kernel, the inner nuclear material be inorganic salts, hydrated salt, fatty acid, One or more of paraffin, alcohols, esters, long chain alkane, long-chain olefin.
- The silicon rubber composite material 3. a kind of energy storage according to claim 2 is radiated, it is characterised in that: the sheathing material is Melamine formaldehyde resin, Lauxite, epoxy resin, polyureas, polyethylene, polystyrene, polyamide, one in polyurethane Kind is several.
- The silicon rubber composite material 4. a kind of energy storage according to claim 1 is radiated, it is characterised in that: the heat filling is Aluminium oxide, magnesia, silver powder, silicon carbide are one such or several.
- The silicon rubber composite material 5. a kind of energy storage according to claim 1 is radiated, it is characterised in that: the fire-retardant filler is Aluminium hydroxide, magnesium hydroxide are one such or two kinds.
- The silicon rubber composite material 6. a kind of energy storage according to claim 1 is radiated, it is characterised in that: the filler is heavy Calcium carbonate, precipitated calcium carbonate, fumed silica, precipitated silica, silicon powder, carbon black etc. are one such or several.
- The silicon rubber composite material 7. a kind of energy storage according to claim 1 is radiated, it is characterised in that: the crosslinking agent is four Methoxy silane, tetraethoxysilane, vinyltrimethoxysilane, four butanone oximino silanes, methyl tributanoximo silane, Methyl ethylene tributanoximo silane, phenyl tributanoximo silane are one such or several.
- 8. a kind of preparation method of energy storage heat dissipation silicon rubber composite material, it is characterised in that: the following steps are included:Phase-change microcapsule, filler and hydroxyl-terminated injecting two methyl siloxane: being heated blending first and phase-change material premix is made by S1, 100 DEG C of heating temperature, 30~150min of heating time, mixing speed vacuum degree -0.09MPa；S2: heat filling, fire-retardant filler are added hydroxyl-terminated injecting two methyl siloxane and stirred evenly, adds crosslinking agent, then take out It is stirred under vacuum 30~60min, vacuum degree -0.09MPa, 25~50Hz of speed of agitator are prepared into silicon rubber component A；S3: phase-change material premix, crosslinking agent, silane coupling agent are added in hydroxyl-terminated injecting two methyl siloxane, vacuumizes and stirs 10~45min, vacuum degree -0.09MPa are mixed, 35~50Hz of speed of agitator obtains silicon rubber B component；S4: silicon rubber A, B component being mixed, stirred evenly using mixing machine, and molding obtains energy storage heat dissipation silicon rubber composite material.
- 9. a kind of preparation method of energy storage heat dissipation silicon rubber composite material according to claim 8, it is characterised in that: described Phase-change microcapsule is prepared by interfacial polymerization.
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| CN112143462A (en) * | 2020-10-27 | 2020-12-29 | 中国矿业大学 | Composite phase change material taking polystyrene with siloxy functional group as support material, and preparation method and application thereof |
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| CN114836175A (en) * | 2022-04-13 | 2022-08-02 | 航天特种材料及工艺技术研究所 | Phase change composite material and preparation method thereof |
| CN115746751A (en) * | 2022-11-26 | 2023-03-07 | 老树根实业有限公司 | Adhesive and preparation method thereof |
| CN116218238A (en) * | 2023-04-06 | 2023-06-06 | 苏州泰吉诺新材料科技有限公司 | Heat-conducting phase-change energy-storage gasket and preparation method thereof |
| CN116218238B (en) * | 2023-04-06 | 2023-11-14 | 苏州泰吉诺新材料科技有限公司 | Heat-conducting phase-change energy-storage gasket and preparation method thereof |
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Application publication date: 20190108 |