CN106240037B - A kind of phase transformation filling sealing material of built-in graphite fibre - Google Patents
A kind of phase transformation filling sealing material of built-in graphite fibre Download PDFInfo
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- CN106240037B CN106240037B CN201610559743.1A CN201610559743A CN106240037B CN 106240037 B CN106240037 B CN 106240037B CN 201610559743 A CN201610559743 A CN 201610559743A CN 106240037 B CN106240037 B CN 106240037B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
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- B32—LAYERED PRODUCTS
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
- B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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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
- C08L47/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
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- 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
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Abstract
The present invention relates to field of material technology.A kind of phase transformation filling sealing material of built-in graphite fibre, phase transformation filling sealing material include the component of following mass percent：Heat conduction particle 65%~80%, low melting point hard resin 5%~20%, liquid resin 10%~20%, coupling agent 0.02%~2%；Heat conduction particle includes graphite fibre, and the weight of graphite fibre accounts for the 30%~60% of heat conduction particle total weight.Phase transformation fills sealing material when less than low melting point hard resin fusing point, remains solid state；When phase-change material is higher than low melting point hard resin fusing point, and this temperature can make phase transformation filling sealing material be heated and mutually become liquid or cream state, it so as to largely soak device surface, is reduced to its thermal contact resistance minimum, and obtains the thermal gap characteristic better than thermal grease conduction or graphite flake.
Description
Technical field
The present invention relates to field of material technology, and in particular to sealing material.
Background technology
Sealing material sealing effect at present on the market is bad, without interconvertibility.
The content of the invention
Sealing material is filled in a kind of phase transformation it is an object of the invention to provide built-in graphite fibre, to solve above-mentioned technology
Problem.
Following technical scheme may be employed to realize in technical problem solved by the invention：
The phase transformation filling sealing material of a kind of built-in graphite fibre, which is characterized in that sealing material bag is filled in the phase transformation
Include the component of following mass percent：Heat conduction particle 65%~80%, low melting point hard resin 5%~20%, liquid resin
10%~20%, coupling agent 0.02%~2%；
The heat conduction particle includes graphite fibre, and the weight of the graphite fibre accounts for the heat conduction particle total weight
30%~60%.
Phase transformation fills sealing material when less than low melting point hard resin fusing point, remains solid state；When phase transformation material
Material is higher than low melting point hard resin fusing point, and this temperature can make phase transformation filling sealing material be heated mutually to become liquid or cream state, from
And device surface is largely soaked, it is reduced to its thermal contact resistance minimum, and obtain leading better than thermal grease conduction or graphite flake
Hot gap-filling property.
The low melting point hard resin includes paraffin.
The heat conduction particle for aluminium oxide, zinc oxide, magnesia, boron nitride, aluminium nitride, silicon nitride, carborundum, aluminium powder,
Two or more mixtures in copper powder.
The coupling agent is at least one of silane coupling agent, aluminate coupling agent, titanate coupling agent.For enhancing
Binding ability.
The phase transformation filling sealing material further includes crosslinking agent 1%~3%, and the crosslinking agent is polyisoprene.
The leakproofness that the present invention improves phase transformation and fill sealing material by being equipped with crosslinking agent.
The phase transformation filling sealing material further includes fire retardant 1%~3%.
The present invention is equipped with fire retardant by being filled in phase transformation in sealing material, be easy to implement the anti-of phase transformation filling sealing material
Fire facilitates compliance with and phase transformation is carried out under different hot conditions.
As a preferred embodiment, the phase transformation filling sealing material is made of the component of following masses percentage：Graphite
Fiber 30%, magnesia 40%, paraffin 10%, liquid resin 15%, coupling agent 2%, fire retardant 3%.Through experiment, this formula is suitable
For under different hot conditions, while realizing fire line, realizing the effect of sealing.
As a preferred embodiment, the phase transformation filling sealing material is made of the component of following masses percentage：Graphite
Fiber 35%, magnesia 35%, paraffin 12%, liquid resin 10%, coupling agent 2%, crosslinking agent 3%, fire retardant 3%.Through reality
Test, this formula has an excellent thixotropy, thixotropy can ensure will not to occur when vertical direction is using the material to overflow or
The situation of trickling.
The liquid resin is to be in a liquid state under normal temperature state, and the liquid resin is polybutadiene, polyisoprene, poly- fourth
Diene acrylonitrile, end hydroxy butadiene, hydroxyl terminated polyisoprene, hydroxyl terminated butadiene acrylonitrile copolymer it is one or two kinds of
Mixture or two or more mixtures, using effect is good, can guarantee the mixing with hard resin, good mixing effect.
The phase transformation filling sealing material further includes water uptake expansion resin, the water uptake expansion resin and the heat conduction particle
Weight ratio be 1: 5.
The present invention improves the sealing effect that sealing material is filled in phase transformation by water uptake expansion resin.
The phase transformation filling sealing material is double-layer structure, and the phase transformation filling sealing material includes an internal layer, an outer layer,
The outer layer is located at the periphery of the internal layer；
The internal layer is the laminated structure being made of carbon fiber, and the outer layer includes the component of following mass percent：It leads
Hot particle 65%, paraffin 5%~20%, polyisoprene 10%~20%, coupling agent 0.02%~2%；
The mass ratio of the internal layer and the outer layer is 1: 3.
The present invention passes through double-layer structure, during heat, outer layer by optimizing the sealing material of traditional single layer structure
Phase transformation, internal layer carry out the conduction of heat, and single layer structure, sealing effect no significant difference are compared through experiment, but compare single layer structure,
Cost is saved.Above-mentioned mass percent is counted using the quality of outer layer as 100%.
The outer layer further includes foaming agent 1%~2%.Antifoaming agent is often used in traditional phase-change material, and it is of the invention
While saving material using foaming agent, the effect of sealing can also be realized, due to being equipped with an air-locked internal layer in the present invention,
Therefore when using foaming agent realization expansion, the bubble generated between outer layer can't influence the effect of sealing, and save cost.
The phase transformation filling sealing material is equipped with a sensor, and the sensor includes a housing, and the housing is equipped with
The groove of one opening upwards；
The inner wall of the groove is equipped with infrared emission sensor-based system, and the infrared emission sensor-based system includes infrared emission
Device and infrared receiving device, the infrared launcher and the infrared receiving device are located at the two opposite side walls of groove respectively
On；
The depth of the groove is not more than 2mm.
The present invention monitors the phase transformation feelings of phase change layer by being equipped with deformation situation of the sensor convenient for monitoring phase change layer
Condition.The present invention is ensureing monitoring of the infrared emission sensor-based system to phase transformation filling sealing material by limiting the depth of groove.
The housing is embedded on the internal layer, the upper surface of the housing and the upper surface flush of the internal layer.
Convenient for monitoring phase transformation filling sealing material.
The lower section of the housing be equipped with a wireless induction power supply, the wireless induction power supply electric energy output end connection described in
The electrical energy inputs of infrared emission sensor-based system.
Realize the supply of electric energy.
A ultrasonic generator is additionally provided on the housing, the ultrasonic generator includes an energy converter, described
The transducing face of energy converter is located on the outer wall of the housing, and the transducing face of the energy converter is the housing and the phase change layer
Contact surface.
By vibration of ultrasonic wave, phase transformation effect is improved.
The infrared emission sensor-based system is equipped with a microprocessor system, and the microprocessor system connection is described red
Outer emitter and the infrared receiving device, the microprocessor system are also connected with a wireless communication module；
The transmission medium of the wireless communication module is ultrasonic wave.
It is easy to implement the transmission of signal.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1, a kind of phase transformation filling sealing material of built-in graphite fibre, phase transformation filling sealing material includes following matter
Measure the component of percentage：Heat conduction particle 65%~80%, low melting point hard resin 5%~20%, liquid resin 10%~20%,
Coupling agent 0.02%~2%；Heat conduction particle includes graphite fibre, and the weight of graphite fibre accounts for the 30% of heat conduction particle total weight
~60%.Phase transformation fills sealing material when less than low melting point hard resin fusing point, remains solid state；Work as phase-change material
Higher than low melting point hard resin fusing point, and this temperature can make phase transformation filling sealing material be heated mutually to become liquid or cream state, so as to
Device surface is largely soaked, is reduced to its thermal contact resistance minimum, and obtains the heat conduction better than thermal grease conduction or graphite flake
Gap-filling property.
Low melting point hard resin includes paraffin.
Heat conduction particle is aluminium oxide, zinc oxide, magnesia, boron nitride, aluminium nitride, silicon nitride, carborundum, aluminium powder, copper powder
In two or more mixtures.
Coupling agent is at least one of silane coupling agent, aluminate coupling agent, titanate coupling agent.It is combined for enhancing
Ability.
Phase transformation filling sealing material further includes crosslinking agent 1%~3%, and crosslinking agent is polyisoprene.The present invention is by setting
The crosslinking dose of leakproofness for improving phase transformation filling sealing material.
Phase transformation filling sealing material further includes fire retardant 1%~3%.The present invention is set by being filled in phase transformation in sealing material
There is fire retardant, be easy to implement the fire line of phase transformation filling sealing material, facilitate compliance with and phase transformation is carried out under different hot conditions.
As a preferred embodiment, phase transformation filling sealing material is made of the component of following masses percentage：Graphite fibre
30%th, magnesia 40%, paraffin 10%, liquid resin 15%, coupling agent 2%, fire retardant 3%.Through experiment, this formula is suitable for
Under different hot conditions, while realizing fire line, the effect of sealing is realized.
As a preferred embodiment, phase transformation filling sealing material is made of the component of following masses percentage：Graphite fibre
35%th, magnesia 35%, paraffin 12%, liquid resin 10%, coupling agent 2%, crosslinking agent 3%, fire retardant 3%.Through testing, this
Formula has excellent thixotropy, and thixotropy can ensure what will not be overflowed or trickle when vertical direction is using the material
Situation.
Liquid resin is to be in a liquid state under normal temperature state, and liquid resin is polybutadiene, polyisoprene, polybutadiene propylene
Nitrile, end hydroxy butadiene, hydroxyl terminated polyisoprene, hydroxyl terminated butadiene acrylonitrile copolymer one or two kinds of mixtures or
Two or more mixtures, using effect is good, can guarantee the mixing with hard resin, good mixing effect.
Phase transformation filling sealing material further includes water uptake expansion resin, and the weight ratio of water uptake expansion resin and heat conduction particle is 1:
5.The present invention improves the sealing effect that sealing material is filled in phase transformation by water uptake expansion resin.
Referring to Fig. 1, phase transformation filling sealing material is double-layer structure, and phase transformation filling sealing material includes an internal layer 1, an outer layer
2, outer layer 2 is located at the periphery of internal layer 1；Internal layer 1 is the laminated structure being made of carbon fiber, and outer layer 2 includes following mass percent
Component：Heat conduction particle 65%, paraffin 5%~20%, polyisoprene 10%~20%, coupling agent 0.02%~2%；Internal layer
Mass ratio with outer layer is 1: 3.The present invention, by double-layer structure, works as chance by optimizing the sealing material of traditional single layer structure
In thermal process, outer layer phase transformation, internal layer carries out the conduction of heat, and single layer structure is compared through testing, sealing effect no significant difference, but
Single layer structure is compared, has saved cost.
Outer layer 2 further includes foaming agent 1%~2%.Antifoaming agent is often used in traditional phase-change material, and the present invention uses
While foaming agent saves material, the effect of sealing can also be realized, due to being equipped with an air-locked internal layer in the present invention, therefore adopt
When realizing expansion with foaming agent, the bubble generated between outer layer can't influence the effect of sealing, and save cost.
Phase transformation filling sealing material is equipped with one for sensing the sensor of phase transformation filling sealing material phase transformation situation, sensor
Including a housing, housing is equipped with the groove of an opening upwards；The inner wall of groove is equipped with infrared emission sensor-based system, infrared right
Penetrating sensor-based system includes infrared launcher 11 and infrared receiving device 12, and the depth of groove is not more than 2mm.The present invention is by setting
There is deformation situation of the sensor convenient for monitoring phase change layer, and then monitor the phase transformation situation of phase change layer.Pass through infrared launcher
Transmitting infrared ray and infrared receiving device receive the situation of change of the time difference of signal, monitor the phase transformation situation of phase-change material.
When infrared receiving device does not receive infrared signal, illustrate mutually to change to restriction scope.Infrared launcher and infrared receiver dress
It puts the distance apart from the upper surface of groove and is not more than 1mm.
Infrared emission sensor-based system be equipped with a microprocessor system, microprocessor system connection infrared launcher with
Infrared receiving device.Microprocessor system is also connected with a wireless communication module；The transmission medium of wireless communication module is ultrasound
Ripple.It is easy to implement the transmission of signal.The two opposite side walls of groove are equipped with infrared launcher 11 and infrared receiving device 12, recessed
The bottom of slot also is provided with infrared launcher and infrared receiving device, the light emission direction and infrared receiving device of infrared launcher
Monitoring direction upward.Microprocessor system connects a clock module.By the infrared sight of the transmitting of infrared launcher and
Infrared receiving device receives the situation of change of the time difference of signal, monitors the phase transformation situation of phase-change material.Phase-change material is by solid
Body becomes paste or liquid, and certain deformation can occur for phase-change material.
Housing is embedded extruded on internal layer, the upper surface of housing and the upper surface flush of internal layer.Convenient for monitoring phase transformation filling sealing
Material.
The lower section of housing is equipped with a wireless induction power supply, the electric energy output end connection infrared emission sensing of wireless induction power supply
The electrical energy inputs of system.Realize the supply of electric energy.
A ultrasonic generator is additionally provided on housing, ultrasonic generator includes an energy converter, the transducing of energy converter
Face is located on the outer wall of housing, and the transducing face of energy converter is housing and the contact surface of phase change layer.By vibration of ultrasonic wave, improve
Phase transformation effect.
Liquid resin includes uncured light-cured resin based composites 2%~5%, light-cured resin based composites
The resin-based materials inside contained are polyethylene, polybutene or polyacrylic resin material.Phase transformation filling sealing material further includes Moschus
Careless phenol 1%~3%.Realize the effect of insect prevention antibacterial.
A kind of production method of phase transformation filling sealing material, comprises the following steps：
A) low melting point hard resin, liquid resin and coupling agent are sequentially placed into vessel in heating and stir to get uniform liquid
State mixture, heating temperature are 50~80 DEG C, and mixing time is 10~15min, is allowed to be melt into liquid completely；
The top of container is equipped with ultraviolet lamp, and the light emission direction of ultraviolet lamp is towards liquefied mixture；
B) heat filling is heated in step a) treated liquefied mixtures, and it is mixed to carry out heating under vacuum
It closes, heating temperature is 80~120 DEG C, and incorporation time is 30~40min；
C) the step b) mixtures formed are compressed into tablet form finished product, press temperature is 100~120 DEG C；
D) step c) the sheet finished products suppressed are cooled to room temperature to obtain phase-change material.
Container is located in blender.Blender is equipped at least two material inlets.Convenient for conveying material.
The lower end of container is equipped with a sound chamber, and the lower face of the sound chamber is equipped with supersonic generator, the ultrasonic wave
The direction of propagation of the ultrasonic wave of generator generation is upward.Container is equipped with a placement surface, and the lower section of placement surface is equipped with cam, convex
Wheel connects a motor by transmission device, and cam is equipped at least three, and at least three cams surround a ring-type, and are respectively positioned on sound chamber
Periphery.Container connects a stent by a sliding equipment.Container glide direction is upper and lower.Convenient for cam in rotation process,
The placement surface of container is impacted, and container is moved up and down.The present invention is by optimizing the structure of container, convenient for the system of phase-change material
It is standby, speed of production is accelerated, the combination shaken by ultrasonic oscillation and cam improves storeroom molecular collision, improves material
Between mixed effect, the thermal energy conduction with storeroom.
Basic principle of the invention and main feature and advantages of the present invention has been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (8)
1. the phase transformation filling sealing material of a kind of built-in graphite fibre, which is characterized in that the phase transformation filling sealing material includes
The component of following mass percent：Heat conduction particle 65%~80%, low melting point hard resin 5%~20%, liquid resin 10%
~20%, coupling agent 0.02%~2%；
The heat conduction particle includes graphite fibre, the weight of the graphite fibre account for the heat conduction particle total weight 30%~
60%；
The phase transformation filling sealing material is equipped with a sensor, and the sensor includes a housing, and the housing is opened equipped with one
The upward groove of mouth；
The inner wall of the groove is equipped with infrared emission sensor-based system, and the infrared emission sensor-based system includes infrared launcher
And infrared receiving device, the infrared launcher and the infrared receiving device are located in the two opposite side walls of groove respectively；
The depth of the groove is not more than 2mm；
The housing is embedded on the internal layer, the upper surface of the housing and the upper surface flush of the internal layer；
The lower section of the housing is equipped with a wireless induction power supply, and the electric energy output end connection of the wireless induction power supply is described infrared
To penetrating the electrical energy inputs of sensor-based system；
The production method of sealing material is filled in phase transformation, is comprised the following steps：
A) low melting point hard resin, liquid resin and coupling agent are sequentially placed into vessel in heating stir to get homogeneous liquid and mix
Object is closed, heating temperature is 50~80 DEG C, and mixing time is 10~15min, is allowed to be melt into liquid completely；
The top of container is equipped with ultraviolet lamp, and the light emission direction of ultraviolet lamp is towards liquefied mixture；
B) heat conduction particle is heated in step a) treated liquefied mixtures, and carries out heating mixing under vacuum, added
Hot temperature is 80~120 DEG C, and incorporation time is 30~40min；
C) the step b) mixtures formed are compressed into tablet form finished product, press temperature is 100~120 DEG C；
D) step c) the sheet finished products suppressed are cooled to room temperature to obtain phase-change material；
Container is located in blender；Blender is equipped at least two material inlets；
The lower end of container is equipped with a sound chamber, and the lower face of the sound chamber is equipped with supersonic generator, and the ultrasonic wave occurs
The direction of propagation of the ultrasonic wave of device generation is upward；Container is equipped with a placement surface, and the lower section of placement surface is equipped with cam, and cam leads to
It crosses transmission device and connects a motor, cam is equipped at least three, and at least three cams surround a ring-type, and are respectively positioned on the outer of sound chamber
It encloses；
Container connects a stent by a sliding equipment；
Container glide direction is upper and lower.
2. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：It is described low
Melting point solid resin includes paraffin.
3. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：It is described to lead
Hot particle is aluminium oxide, zinc oxide, magnesia, boron nitride, aluminium nitride, silicon nitride, carborundum, aluminium powder, two kinds in copper powder with
On mixture.
4. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：The idol
Connection agent is at least one of silane coupling agent, aluminate coupling agent, titanate coupling agent.
5. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：The phase
Become filling sealing material and further include crosslinking agent 1%~3%, the crosslinking agent is polyisoprene.
6. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：The phase
Become filling sealing material to be made of the component of following masses percentage：Graphite fibre 30%, magnesia 40%, paraffin 10%, liquid
State resin 15%, coupling agent 2%, fire retardant 3%.
7. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：The phase
Become filling sealing material to be made of the component of following masses percentage：Graphite fibre 35%, magnesia 35%, paraffin 12%, liquid
State resin 10%, coupling agent 2%, crosslinking agent 3%, fire retardant 3%.
8. a kind of phase transformation filling sealing material of built-in graphite fibre according to claim 1, it is characterised in that：The phase
Become filling sealing material and further include water uptake expansion resin, the weight ratio of the water uptake expansion resin and the heat conduction particle is 1:5.
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| CN111303838B (en) * | 2019-11-26 | 2022-02-15 | 东莞市美庆电子科技有限公司 | Phase change heat conduction material and preparation method thereof |
| CN111995986B (en) * | 2020-08-31 | 2022-03-11 | 湖北工业大学 | Preparation method of motor stator winding based on solid-solid phase change material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585773A (en) * | 2011-12-29 | 2012-07-18 | 深圳德邦界面材料有限公司 | Phase-change heat-conduction interface material and preparation method thereof |
| CN104650817A (en) * | 2015-02-12 | 2015-05-27 | 平湖阿莱德实业有限公司 | Heat conductive phase-change material and production method thereof |
| CN204705249U (en) * | 2015-06-10 | 2015-10-14 | 北京宇田相变储能科技有限公司 | A kind of hermetically-sealed construction of phase-change energy-storage units |
| CN105210465A (en) * | 2013-03-15 | 2015-12-30 | 天津莱尔德电子材料有限公司 | Thermal interface materials |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6391442B1 (en) * | 1999-07-08 | 2002-05-21 | Saint-Gobain Performance Plastics Corporation | Phase change thermal interface material |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585773A (en) * | 2011-12-29 | 2012-07-18 | 深圳德邦界面材料有限公司 | Phase-change heat-conduction interface material and preparation method thereof |
| CN105210465A (en) * | 2013-03-15 | 2015-12-30 | 天津莱尔德电子材料有限公司 | Thermal interface materials |
| CN104650817A (en) * | 2015-02-12 | 2015-05-27 | 平湖阿莱德实业有限公司 | Heat conductive phase-change material and production method thereof |
| CN204705249U (en) * | 2015-06-10 | 2015-10-14 | 北京宇田相变储能科技有限公司 | A kind of hermetically-sealed construction of phase-change energy-storage units |
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