CN102559148A - High heat-conducting foam material and preparation method thereof - Google Patents
High heat-conducting foam material and preparation method thereof Download PDFInfo
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- CN102559148A CN102559148A CN2010106105422A CN201010610542A CN102559148A CN 102559148 A CN102559148 A CN 102559148A CN 2010106105422 A CN2010106105422 A CN 2010106105422A CN 201010610542 A CN201010610542 A CN 201010610542A CN 102559148 A CN102559148 A CN 102559148A
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Abstract
The invention provides a high heat-conducting foam material and a preparation method thereof and belongs to the field of heat dissipation equipment. The high heat-conducting foam material comprises a foam body and a high heat dissipation membrane material which is dispersed in the foam body. The preparation method of the high heat-conducting foam material comprises the following steps of: 1. cutting the high heat dissipation membrane material into bar-type or square heat dissipation materials; step 2. adding the heat dissipation materials into a preparation raw material of the foam, stirring to lead the heat dissipation materials and the preparation raw material to be mixed; and step 3. pouring the mixed material into a mould, and foaming and molding after carrying out puffing treatment on the mixed material. After the foam has the elasticity, the toughness of the high heat dissipation membrane material is increased by arranging the high heat dissipation membrane material in the foam, and simultaneously, as the high heat dissipation membrane material is contained in the foam, the heat dissipation performance of the foam is enhanced.
Description
Technical field
The invention belongs to the radiating element field.
Technical background
Numerous areas such as electronic product, machinery, electric power, communication, chemical industry in the process of the processing of product, production, and in the process of using, all can produce the heat of different amts.And, if the heat that is produced can not effectively be distributed, then can all might impact the processing and the use of product.
At present, various heat sink materials are widely used.Dissimilar heat sink materials can have different performances, such as the heat conductivility of metallic substance is good, wherein a part of metallic substance particularly, and like copper, aluminium, silver etc., its thermal conductivity is especially good.Utilize these metal scatterers, the scatterer such as copper scatterer, aluminium matter also obtains widespread usage.
Enumerate the thermal conductivity performance of some heat sink materials commonly used below:
Aluminium: 237W/mK;
Copper: 401W/mK;
Silver: 420W/mK;
Gold: 318W/mK.
Because price factor, most scatterers of current use adopt copper material or aluminum material to make; But some special places are arranged, also use silver or golden material, come as heat sink material.The shape of scatterer and structure, size etc. have difference mutually according to different application scenarios.Such as, various CUP go up the scatterer that uses, and the scatterer that uses on the circuit card, are the radiating element with waviness heat radiation groove mostly.Though above-mentioned metal is more common as heat sink material, its thermal diffusivity is still lower, along with the appearance of the mould material with high heat dispersion, more and more draws close to it with the radiating equipment of its manufacturing.
Foam is a kind of quality matetrial that damping attracts effect that has, and the wide range of its utilization comprises and all uses the foam goods in furniture, building materials, sports equipment, Automobile Products or the like the industry.Existing foam is divided into PU foam, antistatic foam, conducting foam or the like, and the characteristic of the foam that is gone out by different fabrication process is different.What have has an incompressible deformability, and what have has characteristics such as toughness is strong, water proof is moistureproof, shockproof, if high heat sink material is applied in these foams, to radiating equipment a new thinking is provided undoubtedly.The present invention just utilizes high heat dissipation film material and foam to mix and manufactures the foam material with high thermal conductivity, and this material light weight, flexible has increased the toughness of high heat dissipation film material simultaneously.
Summary of the invention
The object of the invention provides a kind of foam material with high thermal conductivity, and it is arranged on high heat dissipation film material in the foam, owing to contain high heat dissipation film material in this foam material, has promptly strengthened the heat dispersion of foam itself.
A kind of high heat conduction foam material, it comprises the foam body, and the high heat dissipation film material that is dispersed in the foam body interior.
Further, a kind of high heat conduction foam material of the present invention also has following technical characterictic:
Described high heat dissipation film material comprises high heat radiation graphite film or graphene film.
Described high heat dissipation film material is bar shaped or the high heat radiation of quadrate graphite film.
The thickness of described high heat dissipation film material is the 1-300 micron.
Described foam body is the one of which in EPE, PU foam, policapram, the Carbon foam.
Described high heat dissipation film material, shared mass ratio is 0.1%-15% in total high heat conduction foam material.
The present invention also provides a kind of high heat conduction foam preparation methods, and this method comprises:
Step 1 cuts into bar shaped or quadrate heat sink material with high heat dissipation film material;
Step 2 adds above-mentioned heat sink material in the raw making materials of foam, make the two mixing after the stirring;
Step 3 is poured above-mentioned mixed material in the mould into, through after the puffing, and foaming.
Further, a kind of high heat conduction foam preparation methods of the present invention also has following technical characterictic:
The thickness of described high heat dissipation film material is the 1-300 micron.
The raw making materials of described foam is urethane, Vilaterm fat, policapram.
Described puffing realizes that through in mixing material, adding whipping agent whipping agent adopts Cellmic C 121 or butane or pentane or nitrogen.
In the raw making materials of foam, add fireproofing agent, to increase the fire line of high heat conduction foam.
In step 2, adopt whipping appts in the whipping process, increase the uniformity coefficient of mixing material.
Described high heat dissipation film material, shared mass ratio is 0.1-15% in total high heat conduction foam material.
Description of drawings
Fig. 1 is the structural representation of high heat conduction foam material of the present invention.
Fig. 2 is the synoptic diagram of manufacturing processed of the present invention.
Fig. 3 is a preparing method's of the present invention schema.
Specific embodiment
Be directed to the description of major function of the present invention:
The present invention cuts into less shape with high heat dissipation film material, and it is dispersed in the raw material of making foam, makes the two mixing after fully stirring, and then mixture is imported in the mould foaming and processes high heat conduction foam material.High heat dissipation film material in this material has strengthened its heat dispersion, owing to contain the foam material, has strengthened its toughness and incompressible deformability simultaneously.
Present invention is described by way of example below.
With reference to shown in Figure 1, displaying be the structural representation of high heat conduction foam material of the present invention.This figure is made into bulk with the foam material, and it comprises foam body 100, and disperses to be arranged on the high heat dissipation film material 200 in the foam body 100.This high heat dissipation film material 200 is elected height heat radiation graphite film or the graphene film with superelevation rate of heat dissipation as; Be preferably high heat radiation graphite film in the present invention; This height heat radiation graphite film that utilizes carbon component to make; Have very high heat-sinking capability, can reach: 1500～1750W/mK, it also has the characteristics of light weight.In this high heat conduction foam material; The thickness of used high heat dissipation film material is between the 1-300 micron; Its mass ratio in the high heat conduction foam material of whole moulding is 0.1%-15%; For example, the quality of making the foam material of moulding is 100 grams, and the quality of the high heat dissipation film material that is so wherein contained is between 0.1 gram-15 grams.The one of which that above-mentioned foam body 100 adopts in EPE, PU foam, policapram, the Carbon foam.This ratio control mainly is to make high heat dissipation film material 200 when mix stirring, can with the mixing raw material thorough mixing of gas, and then make high heat dissipation film material 200 be dispersed in uniformly in the high heat conduction foam of moulding as far as possible.Be preferably EPE in the present invention, it is to produce countless separated foams by low-density Vilaterm fat through physical blowing to constitute, and strong, the anti-power of hitting of its plasticity-is strong.
Be combined in manufacturing processed, high heat conduction foam shown in Figure 2 is elaborated.As shown in Figure 2, in the present invention, be that to cut into length be 500 microns bar shaped heat sink material 300 for 200 microns height heat radiation graphite film with thickness; Raw making materials 400 at foam is put into container 500; Like urethane, Vilaterm fat, policapram, add the good bar shaped heat sink material 300 of above-mentioned shearing, utilize whipping appts that it is stirred; To be mixed with bar shaped heat sink material 300 then and put into mould in interior raw making materials 400; Has formed foam body 100 through foaming, and divided and be sprinkling upon bar shaped heat sink material 300 wherein, and bar shaped heat sink material 300 shared mass ratio in the high heat conduction foam of making moulding is 10%.Need to prove, in order to make the mixing material foaming of pouring in the mould, can add whipping agent therein, such as Cellmic C 121, raise the temperature to the decomposition temperature of whipping agent after the heating, whipping agent resolves into gas, reaches the purpose of foaming.
With reference to shown in Figure 3, description be preparing method's of the present invention schema.This method comprises:
Step 1 cuts into bar shaped or quadrate heat sink material with high heat dissipation film material.
Described high heat dissipation film material is high heat radiation graphite film or graphene film, is preferably high heat radiation graphite film in the present invention, and it is that the thickness thickness that utilizes carbon component to process is controlled at the mould material in the 1-300 micron, its light weight and to have ultra-high conducting hot.
Step 2 adds above-mentioned heat sink material in the raw making materials of foam, make the two mixing after the stirring.
In this step; The raw making materials of foam is urethane, Vilaterm fat, policapram; The height heat radiation graphite film and the raw material thorough mixing of making foam of the bar shaped that above-mentioned shearing is good adopt whipping appts in the process of stirring, and it can strengthen the uniformity coefficient of high heat radiation graphite film in the foam of making moulding; High heat radiation graphite film is dispersed in the high heat conduction foam, and its shared mass ratio is 0.1%-15%.In order to strengthen the fire line of high heat conduction foam, can in raw making materials, add fireproofing agent.
Step 3 is poured above-mentioned mixed material in the mould into, through after the puffing, and foaming.
Puffing process in this step is to realize through adding whipping agent in the mixing raw material that in step 2, obtains, and adds certainly also need stir behind the whipping agent to make it to be dispersed in the mixing raw material.Here employed whipping agent is Cellmic C 121 or butane or pentane or nitrogen; Be preferably Cellmic C 121 among the present invention, its decomposition temperature is 195 ℃-210 ℃, and mixed material is poured in the mould; When temperature reached its decomposition temperature, the foaming back formed high heat conduction foam material.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, also all among protection scope of the present invention.
Claims (13)
1. one kind high heat conduction foam material, it is characterized in that: it comprises the foam body, and the high heat dissipation film material that is dispersed in the foam body interior.
2. a kind of high heat conduction foam material according to claim 1 is characterized in that: described high heat dissipation film material comprises high heat radiation graphite film or graphene film.
3. a kind of high heat conduction foam material according to claim 2 is characterized in that: described high heat dissipation film material is bar shaped or the high heat radiation of quadrate graphite film.
4. a kind of high heat conduction foam material according to claim 1, it is characterized in that: the thickness of described high heat dissipation film material is the 1-300 micron.
5. a kind of high heat conduction foam material according to claim 1, it is characterized in that: described foam body is the one of which in EPE, PU foam, policapram, the Carbon foam.
6. a kind of high heat conduction foam material according to claim 1 is characterized in that: described high heat dissipation film material, shared mass ratio is 0.1%-15% in total high heat conduction foam material.
7. one kind high heat conduction foam preparation methods is characterized in that this method comprises:
Step 1 cuts into bar shaped or quadrate heat sink material with high heat dissipation film material;
Step 2 adds above-mentioned heat sink material in the raw making materials of foam, make the two mixing after the stirring;
Step 3 is poured above-mentioned mixed material in the mould into, through after the puffing, and foaming.
8. a kind of high heat conduction foam preparation methods according to claim 7, it is characterized in that: the thickness of described high heat dissipation film material is the 1-300 micron.
9. a kind of high heat conduction foam preparation methods according to claim 7, it is characterized in that: the raw making materials of described foam is urethane, Vilaterm fat, policapram.
10. a kind of high heat conduction foam preparation methods according to claim 7 is characterized in that: described puffing realizes that through in mixing material, adding whipping agent whipping agent adopts Cellmic C 121 or butane or pentane or nitrogen.
11. a kind of high heat conduction foam preparation methods according to claim 7 is characterized in that: in the raw making materials of foam, add fireproofing agent, to increase the fire line of high heat conduction foam.
12. a kind of high heat conduction foam preparation methods according to claim 7 is characterized in that: in step 2, adopt whipping appts in the whipping process, increase the uniformity coefficient of mixing material.
13. a kind of high heat conduction foam preparation methods according to claim 7 is characterized in that: described high heat dissipation film material, shared mass ratio is 0.1-15% in total high heat conduction foam material.
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| CN2010106105422A CN102559148A (en) | 2010-12-28 | 2010-12-28 | High heat-conducting foam material and preparation method thereof |
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| CN2010106105422A CN102559148A (en) | 2010-12-28 | 2010-12-28 | High heat-conducting foam material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589134A (en) * | 2013-11-12 | 2014-02-19 | 四川金路集团股份有限公司 | Foam type thermal interface material with high thermal conductivity and preparation method of foam type thermal interface material |
| CN103826425A (en) * | 2014-03-07 | 2014-05-28 | 青岛宝泰机电设备配套科技有限公司 | High-heat-conductivity foam gasket as well as preparation method and applications thereof |
| CN104031378A (en) * | 2013-03-04 | 2014-09-10 | 南京理工大学 | Heat-reflection and energy-storage type polyurethane foam and preparation method thereof |
| WO2014134791A1 (en) * | 2013-03-06 | 2014-09-12 | 北京中石伟业科技股份有限公司 | Heat conducting gasket and application thereof |
| CN105985757A (en) * | 2015-02-02 | 2016-10-05 | 明安国际企业股份有限公司 | Porous thermal-conduction substrate and preparation method therefor |
| CN106380127A (en) * | 2016-08-19 | 2017-02-08 | 碳元科技股份有限公司 | A concrete material high in heat dissipation performance |
| CN107488255A (en) * | 2017-09-07 | 2017-12-19 | 绵阳凤面科技有限公司 | A kind of method that nonpoisonous craft prepares aqueous polyurethane |
| CN108384230A (en) * | 2018-03-16 | 2018-08-10 | 天津工业大学 | A kind of preparation method that anti-flaming thermal-insulation nylon is composite porous |
| CN108752697A (en) * | 2018-06-07 | 2018-11-06 | 苏州国立塑料制品有限公司 | A kind of preparation method and applications of flame retardant type Pearl wool material |
| CN109705816A (en) * | 2019-02-18 | 2019-05-03 | 西南交通大学 | Multifunction flexible phase-change material, preparation method and construction material |
| CN111148012A (en) * | 2019-12-02 | 2020-05-12 | 苏州市新广益电子有限公司 | Conductive foam for loudspeaker and electronic terminal equipment and production process thereof |
| CN111518386A (en) * | 2020-04-15 | 2020-08-11 | 吴聚精 | Graphene foam and production process thereof |
-
2010
- 2010-12-28 CN CN2010106105422A patent/CN102559148A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| RAQUEL VERDEJO ET AL.: "《Functionalized graphene sheet filled silicone foam nanocomposites》", 《JOURNAL OF MATERIALS CHEMISTRY》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031378A (en) * | 2013-03-04 | 2014-09-10 | 南京理工大学 | Heat-reflection and energy-storage type polyurethane foam and preparation method thereof |
| WO2014134791A1 (en) * | 2013-03-06 | 2014-09-12 | 北京中石伟业科技股份有限公司 | Heat conducting gasket and application thereof |
| CN103589134B (en) * | 2013-11-12 | 2016-08-17 | 四川金路集团股份有限公司 | A kind of high heat conduction foam class thermal interfacial material and preparation method thereof |
| CN103589134A (en) * | 2013-11-12 | 2014-02-19 | 四川金路集团股份有限公司 | Foam type thermal interface material with high thermal conductivity and preparation method of foam type thermal interface material |
| CN103826425B (en) * | 2014-03-07 | 2018-08-03 | 青岛宝泰机电设备配套科技有限公司 | A kind of preparation method of high heat conduction foam |
| CN103826425A (en) * | 2014-03-07 | 2014-05-28 | 青岛宝泰机电设备配套科技有限公司 | High-heat-conductivity foam gasket as well as preparation method and applications thereof |
| CN105985757A (en) * | 2015-02-02 | 2016-10-05 | 明安国际企业股份有限公司 | Porous thermal-conduction substrate and preparation method therefor |
| CN106380127A (en) * | 2016-08-19 | 2017-02-08 | 碳元科技股份有限公司 | A concrete material high in heat dissipation performance |
| CN107488255A (en) * | 2017-09-07 | 2017-12-19 | 绵阳凤面科技有限公司 | A kind of method that nonpoisonous craft prepares aqueous polyurethane |
| CN108384230A (en) * | 2018-03-16 | 2018-08-10 | 天津工业大学 | A kind of preparation method that anti-flaming thermal-insulation nylon is composite porous |
| CN108752697A (en) * | 2018-06-07 | 2018-11-06 | 苏州国立塑料制品有限公司 | A kind of preparation method and applications of flame retardant type Pearl wool material |
| CN109705816A (en) * | 2019-02-18 | 2019-05-03 | 西南交通大学 | Multifunction flexible phase-change material, preparation method and construction material |
| CN111148012A (en) * | 2019-12-02 | 2020-05-12 | 苏州市新广益电子有限公司 | Conductive foam for loudspeaker and electronic terminal equipment and production process thereof |
| CN111148012B (en) * | 2019-12-02 | 2020-12-29 | 苏州市新广益电子有限公司 | Conductive foam for loudspeaker and electronic terminal equipment and production process thereof |
| CN111518386A (en) * | 2020-04-15 | 2020-08-11 | 吴聚精 | Graphene foam and production process thereof |
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Application publication date: 20120711 |