CN106893561A - Phase change composite material and electronic equipment - Google Patents
Phase change composite material and electronic equipment Download PDFInfo
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- CN106893561A CN106893561A CN201510952935.4A CN201510952935A CN106893561A CN 106893561 A CN106893561 A CN 106893561A CN 201510952935 A CN201510952935 A CN 201510952935A CN 106893561 A CN106893561 A CN 106893561A
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- phase change
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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
- C09K5/02—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
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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
- C09K5/02—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
- C09K5/066—Cooling mixtures; De-icing compositions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
- H01L23/4275—Cooling by change of state, e.g. use of heat pipes by melting or evaporation of solids
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Abstract
The present invention proposes a kind of phase change composite material and its production and use, and the phase change composite material is used to be coated in the surface for treating thermal dissipating object, and including binding resin, phase-change heat-storage material, the phase transition temperature of the phase-change heat-storage material for being used is 20~70 DEG C.The phase change composite material of the embodiment of the present invention can be effectively used for the radiating of electronic equipment heater members.
Description
Technical field
The present invention relates to Material Field, in particular it relates to phase change composite material and electronic equipment.
Background technology
The update of electronic product is more and more faster, and function is also increasingly stronger, but greatly enriches to meet people except functional
Outside increasing demand, also additionally bring a problem, be exactly " heat " that " heat " is although look simply somewhat shadow
Ring Consumer's Experience, but once control it is bad become " boiling hot " if, just feel very bad for the user, sternly
Ghost image rings the experience of user；And for electronic product, work at high temperature for a long time, in fact it could happen that battery electric quantity declines
Too fast, deadlock is restarted, the various problems such as component aging.
Therefore, electronic product heating how is solved, is problem in the urgent need to address in electronic product development process.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, in the first aspect of the present invention, the present invention proposes a kind of phase change composite material.Embodiments in accordance with the present invention,
The phase change composite material is used to being coated in the surface for the treatment of thermal dissipating object, and including：Binding resin, phase-change heat-storage material,
The phase transition temperature of the phase-change heat-storage material is 20~70 DEG C.Embodiments in accordance with the present invention, the phase change composite material can be direct
The surface for treating thermal dissipating object is coated in, uniform heat conduction and heat accumulation film are formed on the surface for treating thermal dissipating object, heat can be directly fast
Speed is delivered to the phase change composite material, and phase change composite material to be heated and be gradually transformed into liquid from solid-state, and then by heat from waiting to dissipate
Hot object is absorbed to the phase change composite material, simultaneously because the phase change composite material has good thermal storage performance, heat is slow
Ground is discharged from the phase change composite material, and phase change composite material is changed into solid-state from liquid, therefore, implemented by the present invention
The phase change composite material heat absorption of example is liquid by Solid State Transformation, heat release is changed into solid-state by liquid, it is to avoid due to the increasing of heat
Drastically rising that is many and causing temperature, completes once heat absorption and heat release is circulated, effectively with the state change of phase change composite material
The heat of thermal dissipating object is treated in absorption, the radiating for treating thermal dissipating object is effectively realized, while will not cause due to heat absorption again
Cause the elevated phenomenon of excessive temperature.In addition, embodiments in accordance with the present invention, compared to metal backing heat conduction, graphite radiating
Piece heat conduction, thermally conductive gel radiating, the radiating of ice nest, the phase change composite material are applied to treat the radiating of thermal dissipating object, can directly apply
Overlay on the surface for treating thermal dissipating object, so as to treat thermal dissipating object directly contact, and treat there is no airspace between thermal dissipating object,
Heat directly can be delivered to the phase change composite material of the embodiment of the present invention from treating thermal dissipating object, and heat transfer efficiency is significantly improved；Compare
In heat pipe heat radiation, the phase change composite material is applied to treat the radiating of thermal dissipating object, it is not necessary to which container is carried, and required space is smaller；
Compared to the radiating of ice nest, the phase change composite material is applied to treat the radiating of thermal dissipating object, can realize treating the quick of thermal dissipating object
Radiating.
In the second aspect of the present invention, the present invention proposes a kind of electronic equipment.Embodiments in accordance with the present invention, the electronics
Equipment includes：Housing；And at least one of processor or battery, the processor or battery are arranged in the housing；
Wherein, the surface of the processor or battery is coated with foregoing phase change composite material.As it was previously stated, the present invention is implemented
The phase change composite material of example can be applied directly to treat the surface of thermal dissipating object, such as the surface of electronics processors or battery, treat
There is no airspace between thermal dissipating object and the phase change composite material of the embodiment of the present invention, heat can directly by treating that thermal dissipating object is straight
The phase change composite material for being delivered to the embodiment of the present invention is connect, heat transfer efficiency is high, simultaneously because the phase transformation of the embodiment of the present invention is combined
Material has the good advantage of thermal storage performance, and it can be liquid by absorbing heat by Solid State Transformation, and heat release is changed into solid-state by liquid,
The drastically rising of temperature can be avoided causing due to increasing for heat.Therefore, embodiments in accordance with the present invention, the present invention is implemented
The phase change composite material of the embodiment of the present invention is coated with the processor or battery of the electronic equipment of example, the processor or battery can
Work at a substantially constant temperature, it is to avoid the electronic equipment works long hours and device battery electricity declines caused by heat production
Too fast, deadlock is restarted, the problem of component aging, so that, the electronic equipment of the embodiment of the present invention has long service life
Advantage.
Specific embodiment
Embodiments of the invention are described below in detail.The embodiments described below is exemplary, it is intended to for explaining the present invention,
And be not considered as limiting the invention.
Phase change composite material
In the first aspect of the present invention, the present invention proposes a kind of phase change composite material.Embodiments in accordance with the present invention, this hair
The phase change composite material of bright embodiment is used to being coated in the surface for the treatment of thermal dissipating object, and including：Binding resin, phase-change thermal storage
Material, the phase transition temperature of the phase-change heat-storage material for being used is 20~70 DEG C.Embodiments in accordance with the present invention, above-mentioned heat-dissipating thing
Body can be the processor or battery of electronic equipment.Embodiments in accordance with the present invention, the phase change composite material can be applied directly to treat
The processor of thermal dissipating object, such as electronic equipment or the surface of battery, uniform heat conduction and storage are formed on the surface for treating thermal dissipating object
Hotting mask, heat directly can quickly be delivered to the phase change composite material, and phase change composite material to be heated and be gradually transformed into liquid from solid-state,
And then heat is absorbed to the phase change composite material from treating thermal dissipating object, simultaneously because the phase change composite material has good storage
Hot property, heat is lentamente discharged from the phase change composite material, and phase change composite material is changed into solid-state from liquid, therefore,
It is liquid to be absorbed heat by Solid State Transformation by the phase change composite material of the embodiment of the present invention, and heat release is changed into solid-state by liquid, it is to avoid
Cause the drastically rising of temperature due to increasing for heat, complete once to absorb heat and put with the state change of phase change composite material
Thermal cycle, effectively absorbs the heat for treating thermal dissipating object, effectively realizes the radiating for treating thermal dissipating object, while will not cause again
Cause the elevated phenomenon of excessive temperature due to heat absorption.In addition, embodiments in accordance with the present invention, compared to metal backing heat conduction,
Graphite heat radiation fin heat conduction, thermally conductive gel radiating, the radiating of ice nest, the phase change composite material are applied to treat the radiating of thermal dissipating object,
The surface of thermal dissipating object can be applied directly to treat, so as to treat thermal dissipating object directly contact, and treat not to be between thermal dissipating object free
Gas is spaced, and heat directly can be delivered to the phase change composite material of the embodiment of the present invention from treating thermal dissipating object, and heat transfer efficiency is significantly carried
It is high；Compared to heat pipe heat radiation, the phase change composite material is applied to treat the radiating of thermal dissipating object, it is not necessary to which container is carried, required
Space is smaller；Compared to the radiating of ice nest, the phase change composite material is applied to treat the radiating of thermal dissipating object, can realize waiting to radiate
The quick heat radiating of object.
In addition, embodiments in accordance with the present invention, by substantial amounts of screening experiment, the content of discovery binding resin is 10~50 for inventor
Weight portion, the content of phase-change heat-storage material in 25~70 weight portions, the shaping of binding resin and support effect can preferably with phase
The performance that the heat absorption/heat release of change heat storage material undergoes phase transition matches so that, the phase change composite material of the embodiment of the present invention into
Film effect is significant is improved, and then advantageously in the phase change composite material of the embodiment of the present invention is directly coated on and is treated thermal dissipating object
Surface, heat conduction and heat accumulation efficiency are also further improved.
Specifically, embodiments in accordance with the present invention, the phase-change heat-storage material of use may be selected from paraffin class, alcohols and fatty acid
At least one of, paraffin, alcohols, fatty acid phase transition temperature between 20~70 DEG C, paraffin, alcohols, fatty acid
There is good heat absorption and heat release function between 20~70 DEG C, can realize treating heat-dissipating thing by the way that heat absorption and heat release circulation are more effective
The radiating of body, and do not result in temperature and rise sharply.
Some embodiments of the invention, the binding resin for being used may be selected from thermosetting resin, thermoplastic resin at least
One of, wherein, thermoplastic resin includes hydrophilic thermoplastic's resin and lipophile thermoplastic resin.The type of thermosetting resin
It is not particularly limited, embodiments in accordance with the present invention, thermosetting resin may be selected from epoxy resin, alkyd resin, polyurethane tree
At least one of fat, polyester resin.Other embodiment of the invention, when binding resin moulds fat using thermosetting,
The phase change composite material of the embodiment of the present invention can further include curing agent, embodiments in accordance with the present invention, and the curing agent is choosing
From at least one of polyamide, polyisocyanates.In addition, embodiments in accordance with the present invention, using the type of thermoplastic resin
Also it is not particularly limited, embodiments in accordance with the present invention, thermoplastic resin may be selected from but be not limited to thermoplastic acrylic resin,
TPU, makrolon, methacrylate, polyethylene, cellulose, chlorinated rubber, Vinylidene Chloride,
At least one of linear phenolic resin.Embodiments in accordance with the present invention, the hydrophily in binding resin uses thermoplastic resin
During thermoplastic resin, the phase change composite material of the embodiment of the present invention can further include coalescents, it is of the invention in addition
Some embodiments, the coalescents use alcohol ester 12, butyl glycol ether, butyl, dipropylene, third
At least one of glycol butyl ether.Inventor's discovery, because the water content of hydrophilic thermoplastic's resin is high, is unfavorable for film forming, into
The second-class film forming for remarkably promoting hydrophilic thermoplastic's resin of film auxiliary agent such as alcohol ester ten, and then advantageously in the embodiment of the present invention
Phase change composite material be directly coated on the surface for treating thermal dissipating object.
In addition, embodiments in accordance with the present invention, the phase change composite material of the embodiment of the present invention can be further included：0.1~5 weight
The tackifier of part are measured, inventor has found, the tackifier of 0.1~5 weight portion can make the viscous of the phase change composite material of the embodiment of the present invention
Degree improve, so as to be conducive to reaching working viscosity, advantageously in the embodiment of the present invention phase change composite material film forming, more
Plus it is easy to directly be coated on the phase change composite material of the embodiment of the present invention surface for treating thermal dissipating object.
Meanwhile, other embodiment of the invention, inventor is also it was unexpectedly observed that the phase transformation of the embodiment of the present invention is answered
Condensation material can further include：The diluent of 5~60 weight portions, inventor has found that the diluent of 5~60 weight portions also can
The construction of the phase change composite material of the embodiment of the present invention is more beneficial for, that is, is sprayed, print or is brushed.Specifically, diluent
Type is not particularly limited, embodiments in accordance with the present invention, and the diluent may be selected from but be not limited to acetone, MEK, hexamethylene
At least one of ketone, benzene,toluene,xylene, n-butanol, styrene, deionized water, the phase transformation of the embodiment of the present invention are answered
Condensation material uses above-mentioned diluent, and its construction more facilitates, by spraying, printing or brush, the phase transformation of the embodiment of the present invention
Meet material and easily facilitate and be applied directly to the surface for treating thermal dissipating object.
The method for preparing phase change composite material
Understand for convenience, the method that can be used for preparing above-mentioned phase change composite material is described below..According to the present invention
Embodiment, the method includes：Binding resin, phase-change heat-storage material are mixed, to obtain phase change composite material.
Specifically, embodiments in accordance with the present invention, the method for preparing phase change composite material of the embodiment of the present invention is further included will be viscous
At least one of knot resin, phase-change heat-storage material, tackifier, diluent and/or curing agent, coalescents are stirred mixing,
To obtain phase change composite material.Embodiments in accordance with the present invention, using the phase change composite material of preparing of the embodiment of the present invention
Method, can efficiently prepare foregoing phase change composite material, the binding resin for being used, phase-change heat-storage material, thickening
The material that agent, diluent and/or curing agent, coalescents are well known to those skilled in the art, convenient material drawing, in addition, root
According to embodiments of the invention, the method for the embodiment of the present invention only needs to complete to mix by by stirring, you can obtain the present invention real
The phase change composite material of example is applied, it is easy to operate.Meanwhile, as it was previously stated, prepared using the preparation method of the embodiment of the present invention
Phase change composite material, its surface that can be applied directly to treat thermal dissipating object forms uniform heat conduction on the surface for treating thermal dissipating object
With heat accumulation film, treat there is no airspace between phase change composite material prepared by the method for thermal dissipating object and the embodiment of the present invention, heat
Amount directly can quickly be delivered to the phase change composite material, and phase change composite material to be heated and be gradually transformed into liquid from solid-state, and then will
Heat is absorbed to the phase change composite material from treating thermal dissipating object, simultaneously because gained phase change composite material has good heat accumulation
Can, heat is lentamente discharged from the phase change composite material, and phase change composite material is changed into solid-state from liquid, therefore, lead to
Phase change composite material prepared by the preparation method of the embodiment of the present invention is crossed, its heat absorption is liquid by Solid State Transformation, and heat release is by liquid
It is changed into solid-state, it is to avoid cause the drastically rising of temperature due to increasing for heat, with the state change of phase change composite material
Once heat absorption and heat release circulation are completed, the heat for treating thermal dissipating object is effectively absorbed, the radiating for treating thermal dissipating object is effectively realized,
Will not cause again simultaneously causes the elevated phenomenon of excessive temperature due to heat absorption.
In addition, embodiments in accordance with the present invention, the mixing in the preparation method of the embodiment of the present invention is stirring in high speed dispersor
Mix down what is carried out, the rotating speed of high speed dispersor uses 500-2500r/min, it is preferred to use under conditions of 800r/min, enters
Row 15~30 minutes.According to a particular embodiment of the invention, first can not will include that the other materials of phase-change heat-storage material are stirred
Mixing is mixed, the speed of homogenizer uses higher rotation speed, such as 1500r/min, and stirs 15 minutes, then proceedes to addition
Phase-change heat-storage material, can now reduce rotating speed, such as be down to 800r/min, and continue stirring 15 minutes.It is of the invention
Embodiment, various materials can be mixed fully in prepared phase change composite material under the conditions of the above-mentioned mixing, gained phase
The homogeneous of change composite material, heat conduction and heat accumulation effect are further enhanced.
In addition, some embodiments of the invention, the method for preparing phase change composite material of the embodiment of the present invention can also be entered
One step includes：The phase-change heat-storage material of use is carried out into ball-milling treatment in advance, the phase-change heat-storage material obtained after ball-milling treatment
Diameter is less than 100 microns, and diameter is preferably smaller than 10 microns.Inventor's discovery, the advance ball milling of phase-change heat-storage material that will be used
Into diameter less than 10 microns of particulate, follow-up mixing is conducive to operate, the homogeneous property of resulting phase change composite material
Further improve, the heat absorption synchronism of various location phase change composite material is improved, and then more efficiently realize that phase transformation is combined
The heat sinking function of material.
Embodiments in accordance with the present invention, phase change composite material prepared by the preparation method of the embodiment of the present invention can be applied directly to treat
The surface of thermal dissipating object, and dry solidification 24 hours at normal temperatures, to form heat dissipation film on the surface for treating thermal dissipating object.This
Phase change composite material prepared by the preparation method of inventive embodiments, using when can be applied directly to the surface of object to be dissipated, wait to dissipate
The phase change composite material directly contact of hot object and the embodiment of the present invention, between there is no airspace, heat can directly by waiting to dissipate
Hot object is delivered to the phase change composite material, avoids the low problem of air conduction efficiency, the preparation method of the embodiment of the present invention
The heat transfer efficiency of the phase change composite material of preparation is significantly improved.
Purposes of the phase change composite material in electronic equipment dissipating heat
In another aspect of this invention, the present invention proposes phase change composite material described above in electronic equipment dissipating heat
Purposes.Embodiments in accordance with the present invention, the phase change composite material of the embodiment of the present invention can be applied directly to electronic equipment and wait to radiate
The surface of device, treats that radiating element surface can form uniform heat conduction and heat accumulation film in electronic equipment, treats radiating element and phase transformation
There is no airspace between composite, heat directly can quickly be delivered to the phase change composite material, and phase change composite material is heated
Gradually it is transformed into liquid from solid-state, and then heat is treated that radiating element is absorbed to the phase change composite material from electronic equipment, while
Because the phase change composite material has good thermal storage performance, heat is lentamente discharged from the phase change composite material, phase transformation
Composite is changed into solid-state from liquid, therefore, absorbed heat by the phase change composite material of the embodiment of the present invention is by Solid State Transformation
Liquid, heat release is changed into solid-state by liquid, the drastically rising for causing temperature due to increasing for heat can be prevented effectively from, with phase
The state change of change composite material completes once heat absorption and heat release circulation, and radiating element is treated so as to effectively absorb electronic equipment
Heat, effectively realizes the radiating that electronic equipment treats radiating element, while will not cause the electronic equipment to cause due to heat absorption again
The elevated phenomenon of excessive temperature.Therefore, the phase change composite material of the embodiment of the present invention can be used for effective radiating of electronic equipment,
With the purposes in electronic equipment dissipating heat.
Electronic equipment
In another aspect of this invention, the present invention proposes a kind of electronic equipment.Embodiments in accordance with the present invention, the electronics sets
It is standby to include housing；And processor or battery, processor or battery set in the housing, wherein, the table of processor or battery
Face is coated with the phase change composite material of the embodiment of the present invention.The phase change composite material of the embodiment of the present invention can be applied directly to wait to dissipate
The surface of hot object, with the advantage that heat transfer efficiency is high, thermal storage performance is good, it can be liquid by absorbing heat by Solid State Transformation,
Heat release is changed into solid-state by liquid, can avoid causing due to increasing for heat the drastically rising of temperature.Therefore, according to this hair
Bright embodiment, the phase transformation that the embodiment of the present invention is coated with the processor or battery of the electronic equipment of the embodiment of the present invention is combined
Material, the processor or battery can be worked at a substantially constant temperature, and the electronic equipment can be avoided to work long hours and heat production
Caused device battery electricity decline is too fast, deadlock is restarted, the problem of component aging, so that, the electricity of the embodiment of the present invention
Sub- equipment has the significant advantage of long service life.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following implementation
Example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Unreceipted particular technique or condition in embodiment,
Carried out according to the technology or condition described by document in the art or according to product description.Agents useful for same or instrument are not noted
Bright production firm person, be can by city available from conventional products.
Conventional method
In the following embodiments, if do not explicitly pointed out, phase change composite material is prepared according to the following steps：
(1) phase-change heat-storage material is carried out into ball milling using planetary high-energy ball mill (model DECO-SG100, Deco),
Particle of the ball milling into diameter less than 10 microns.
(2) composition for preparing phase change composite material in addition to phase-change heat-storage material is configured to mixed solution, in high speed dispersor
In stirred 15 minutes with the rotating speed of 1500r/min, after being sufficiently mixed, obtain solution X.
(3) the phase-change heat-storage material particle for adding step (1) to obtain in solution X, with 800r/min in high speed dispersor
Rotating speed stir 15 minutes, after being sufficiently mixed, obtain phase change composite material.
Embodiment 1~3
In these embodiments, according to the step described by conventional method, phase change composite material is prepared, wherein, embodiment 1~3
The middle each composition and its consumption for preparing phase change composite material is as shown in table 1,
Table 1
The gained phase change composite material of embodiment 1~3 is coated directly onto the surface for treating thermal dissipating object, and places 24 hours at normal temperatures
Dry solidification, to form heat dissipation film on the surface for treating thermal dissipating object.
Embodiment 4
In example 4, according to the step described by conventional method, phase change composite material is prepared, wherein, in the present embodiment
The middle composition for being used and consumption for preparing phase change composite material is with the composition and consumption that phase change composite material is prepared in embodiment 1
Unanimously.
Obtained phase change composite material is encapsulated in the aluminium sheet that wall thickness is 0.1mm in the present embodiment.
Embodiment 5
In embodiment 5, according to the step described by conventional method, phase change composite material is prepared, wherein, in the present embodiment
The middle composition for being used and consumption for preparing phase change composite material is with the composition and consumption that phase change composite material is prepared in embodiment 1
Unanimously.
Obtained phase change composite material is filled in the foamed aluminium with through hole in the present embodiment.
Embodiment 6
In the present embodiment, phase change composite material obtained in embodiment 1~5 is carried out by fluidity testing and is dissipated as described below
Thermal effect is tested：
(1) fluidity testing
Coated area is 25mm*25mm on sheet metal, and thickness is the phase change composite material of 50 microns of embodiment 1~3
Test specimens block；
The phase change composite material prepared in embodiment 4 is encapsulated in the aluminium sheet that wall thickness is 0.1mm, and wherein phase change composite material is surveyed
The thickness of coupon is 50 microns, area is 25mm*25mm, and is placed on sheet metal；
The phase change composite material prepared in embodiment 5 is filled in the thickness with through hole for 50 microns, area are 25mm*25mm
Foamed aluminium in, and be placed on sheet metal；
Above-mentioned phase change composite material test specimens block is kept for 7 days at 70 DEG C, the area of phase change composite material before and after measurement test
Change, test result is listed in Table 2 below.
(2) radiating effect
Test board is made using valiant imperial 810 processor of high pass, and is at overclocking working condition.By the valiant dragon of high pass during making
810 processors are external, for testing.Using monitoring temperature video camera monitoring temperature.
One side coating thickness by valiant imperial 810 processor of high pass is the phase change composite material of 100 microns of embodiment 1~3.Open
Dynamic start-up operation button, 15min test processor surface temperatures ATable, phase change composite material surface temperature APhase.And will test
The results are shown in Table 2.
Phase change composite material is encapsulated in the aluminium sheet that wall thickness is 0.1mm in embodiment 4, and the thickness of wherein phase change composite material is
100 microns, and processor surface is placed it in, start start-up operation button, 15min test processor surface temperatures ATable,
Phase change composite material surface temperature APhase, the results are shown in Table 2.
Phase change composite material is filled in the foamed aluminium that the thickness with through hole is 100 microns in embodiment 5, and is placed
On processor surface, start start-up operation button, 15min test processor surface temperatures ATable, phase change composite material surface temperature
Degree APhase, the results are shown in Table 2.
Table 2
As can be seen from Table 2, the gained phase change composite material of embodiment 1~5 can effectively adhere to without mobility below 70 DEG C
Thermal dissipating object surface (such as valiant imperial 810 processor of sheet metal, high pass) is being treated, phase change composite material has below 70 DEG C
Heat absorption/heat release and produce the characteristic of phase transformation, make it have good heat radiation function, treat that thermal dissipating object surface temperature and phase transformation are compound
Material surface temperature will not be raised too.If however, phase change composite material being encapsulated in aluminium sheet or being filled in foamed aluminium
(as shown in embodiment 4 and 5), phase change composite material is not applied directly to treat its radiating effect the table of thermal dissipating object on the contrary
Face is good.Therefore, the phase change composite material of the embodiment of the present invention is more suitable for being applied directly to treat that the surface of thermal dissipating object is treated
Effective radiating of thermal dissipating object.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure, material or
Feature is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, ability
The technical staff in domain can enter the feature of the different embodiments or example described in this specification and different embodiments or example
Row is combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (15)
1. a kind of phase change composite material, it is characterised in that the phase change composite material is used to be coated in the surface for treating thermal dissipating object,
And including：
Binding resin,
Phase-change heat-storage material, the phase transition temperature of the phase-change heat-storage material is 20~70 DEG C.
2. phase change composite material according to claim 1, it is characterised in that the content of the binding resin is 10~50
Weight portion, the content of the phase-change heat-storage material is 25~70 weight portions.
3. phase change composite material according to claim 1, it is characterised in that the phase change composite material is further wrapped
Include：The tackifier of 0.1~5 weight portion.
4. phase change composite material according to claim 1, it is characterised in that the phase change composite material is further wrapped
Include：The diluent of 5~60 weight portions.
5. phase change composite material according to claim 1, it is characterised in that the binding resin includes being selected from thermosetting
At least one of resin, thermoplastic resin,
Wherein, the thermoplastic resin includes hydrophilic thermoplastic's resin and lipophile thermoplastic resin.
6. phase change composite material according to claim 5, it is characterised in that the thermosetting resin includes being selected from epoxy
At least one of resin, alkyd resin, polyurethane resin, polyester resin.
7. phase change composite material according to claim 5, it is characterised in that the thermoplastic resin is included selected from heat
Plastic propene's acid resin, TPU, makrolon, methacrylate, polyethylene, cellulose, chlorination
At least one of rubber, Vinylidene Chloride, linear phenolic resin.
8. phase change composite material according to claim 5, it is characterised in that the binding resin is thermosetting resin
When, the phase change composite material further includes curing agent.
9. phase change composite material according to claim 5, it is characterised in that the binding resin is thermoplastic resin,
When the thermoplastic resin is hydrophilic thermoplastic's resin, the phase change composite material further includes coalescents.
10. phase change composite material according to claim 8, it is characterised in that the curing agent be selected from polyamide,
At least one of polyisocyanates.
11. phase change composite materials according to claim 9, it is characterised in that the coalescents are selected from alcohol ester ten
2nd, at least one of butyl glycol ether, butyl, dipropylene, propandiol butyl ether.
12. phase change composite materials according to claim 1, it is characterised in that the phase-change heat-storage material includes being selected from
At least one of paraffin class, alcohols, fatty acid.
13. phase change composite materials according to claim 4, it is characterised in that the diluent include selected from acetone,
At least one of MEK, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene, deionized water.
14. phase change composite materials according to claim 1, it is characterised in that the object to be radiated sets for electronics
Standby processor or battery.
15. a kind of electronic equipment, it is characterised in that including：
Housing；And
At least one of processor or battery, the processor or battery are arranged in the housing,
Wherein, the surface of the processor or battery is coated with the phase change composite material described in any one of claim 1~13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952935.4A CN106893561A (en) | 2015-12-17 | 2015-12-17 | Phase change composite material and electronic equipment |
| PCT/CN2016/109962 WO2017101792A1 (en) | 2015-12-17 | 2016-12-14 | Phase change composite material and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952935.4A CN106893561A (en) | 2015-12-17 | 2015-12-17 | Phase change composite material and electronic equipment |
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| CN106893561A true CN106893561A (en) | 2017-06-27 |
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| CN201510952935.4A Pending CN106893561A (en) | 2015-12-17 | 2015-12-17 | Phase change composite material and electronic equipment |
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| CN (1) | CN106893561A (en) |
| WO (1) | WO2017101792A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679535A (en) * | 2018-12-26 | 2019-04-26 | 深圳德邦界面材料有限公司 | A kind of curable heat conduction with phase change patch and preparation method thereof of optical module |
| CN110079277A (en) * | 2018-01-26 | 2019-08-02 | 神华集团有限责任公司 | Phase change composite material pellet and its preparation method and application and battery radiator part |
| CN113201156A (en) * | 2021-03-29 | 2021-08-03 | 深圳垒石热管理技术股份有限公司 | Method and production line for continuously producing phase-change heat storage material film |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021035649A1 (en) * | 2019-08-29 | 2021-03-04 | 张立强 | Resin-type phase change energy storage material and preparation method therefor |
| CN114316414A (en) * | 2022-01-27 | 2022-04-12 | 福建美庆热传科技有限公司 | Silicone oil filled composite rubber phase change material and preparation method thereof |
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| CN1506434A (en) * | 2002-12-07 | 2004-06-23 | 中国科学技术大学 | Shaped phase change energy-accumulating material and its prepn |
| CN1905266A (en) * | 2005-07-26 | 2007-01-31 | 比亚迪股份有限公司 | Cell charger box |
| CN104716402A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Power battery module |
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| US6869642B2 (en) * | 2000-05-18 | 2005-03-22 | Raymond G. Freuler | Phase change thermal interface composition having induced bonding property |
| CN100551989C (en) * | 2008-02-01 | 2009-10-21 | 南京凯汇工业科技有限公司 | A kind of phase-change heat conductive material and preparation method thereof |
| CN103183922B (en) * | 2011-12-27 | 2015-09-02 | 比亚迪股份有限公司 | For the carrier of phase-change accumulation energy and phase-changing energy storage material and their preparation method |
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- 2015-12-17 CN CN201510952935.4A patent/CN106893561A/en active Pending
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2016
- 2016-12-14 WO PCT/CN2016/109962 patent/WO2017101792A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506434A (en) * | 2002-12-07 | 2004-06-23 | 中国科学技术大学 | Shaped phase change energy-accumulating material and its prepn |
| CN1905266A (en) * | 2005-07-26 | 2007-01-31 | 比亚迪股份有限公司 | Cell charger box |
| CN104716402A (en) * | 2013-12-17 | 2015-06-17 | 北京有色金属研究总院 | Power battery module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079277A (en) * | 2018-01-26 | 2019-08-02 | 神华集团有限责任公司 | Phase change composite material pellet and its preparation method and application and battery radiator part |
| CN109679535A (en) * | 2018-12-26 | 2019-04-26 | 深圳德邦界面材料有限公司 | A kind of curable heat conduction with phase change patch and preparation method thereof of optical module |
| CN109679535B (en) * | 2018-12-26 | 2020-09-29 | 深圳德邦界面材料有限公司 | Curable phase change heat conduction paste for optical module and preparation method thereof |
| CN113201156A (en) * | 2021-03-29 | 2021-08-03 | 深圳垒石热管理技术股份有限公司 | Method and production line for continuously producing phase-change heat storage material film |
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| Publication number | Publication date |
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| WO2017101792A1 (en) | 2017-06-22 |
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Application publication date: 20170627 |