CN102557462A - Inorganic filler with high heat-conducting property and product and manufacturing method thereof - Google Patents
Inorganic filler with high heat-conducting property and product and manufacturing method thereof Download PDFInfo
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- CN102557462A CN102557462A CN2010106102320A CN201010610232A CN102557462A CN 102557462 A CN102557462 A CN 102557462A CN 2010106102320 A CN2010106102320 A CN 2010106102320A CN 201010610232 A CN201010610232 A CN 201010610232A CN 102557462 A CN102557462 A CN 102557462A
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- mineral filler
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Abstract
The invention provides an inorganic filler with high heat-conducting property and a product and a manufacturing method thereof, which belong to the technical field of high heat-dissipation materials. The inorganic filler is composed of a bar-type inorganic base material and a high heat-dissipation bar-type material filled in the inorganic base material. During manufacture, the inorganic base material is firstly heated to reach more than 800 DEG C and located in a molten state; secondly the high heat-dissipation bar-type material is mixed on the inorganic base material in the molten state; thirdly drawbench treatment is conducted on the mixed material, and finally the material after drawbench is cut into bar-type inorganic fillers after solidification. The inorganic filler can be mixed with the base material in use, and heat-dissipation of the base material can be effectively improved.
Description
Technical field
High heat sink material technical field.
Background technology
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.
Be widely used at present various heat sink materials are arranged.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 heat conductivility is especially good.Such as, the scatterer of copper scatterer, aluminium matter is all used very general.
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.
And in the present invention, can be applied to mould material with high heat dispersion.
Wherein, utilize the height heat radiation graphite film of carbon component made, have very high heat-sinking capability, can reach: 1500～1750W/mK.
And, then having more powerful heat-sinking capability at present as the grapheme material of research focus, its thermal conductivity is about 5000W/mK.
The mould material of high rate of heat dissipation like this is the radiating equipment in the various products, and new selection is provided.
Commonly used in the existing material of construction have cement, masonry, gypsum etc., but the heat conductivility of these materials itself is not good.
The present invention hopes for addressing this problem a kind of scheme that provides.
Summary of the invention
The object of the present invention is to provide mineral filler with high thermal conductivity and goods thereof, method of manufacture; This mineral filler and goods thereof are through adding the high heat sink strip section bar with high heat dispersion in inorganic substrate; Improve the heat dispersion of mineral filler; And this filler added in other base material, in order to improve the heat dispersion of respective material.
A kind of inorganic substrate of the present invention with mineral filler of high thermal conductivity by bar shaped, and the diffusing bar section bar two portions of height that are filled in the inorganic substrate are formed.
Preferably, described inorganic substrate is glass, quartzy both one of which.
Preferably, described high heat sink strip section bar is strip high heat radiation graphite film and graphene film one of which.
Preferably, the high heat radiation of described strip graphite film, thickness is between the 1-300 micron.
Preferably, described mineral filler be diameter between 0.01-50mm, the column of length between 5-500mm.
Accordingly; A kind of mineral filler goods with high thermal conductivity of the present invention are by construction substrate, and the mineral filler two portions that are distributed in the construction substrate are formed mineral filler wherein; By the inorganic substrate of bar shaped, and the diffusing bar section bar two portions of height that are filled in the inorganic substrate are formed.
Preferably, described construction substrate is cement or gypsum or paper pulp or plastics.
Accordingly, a kind of method of manufacture with mineral filler of high thermal conductivity of the present invention includes following steps:
Step 1 is heated to inorganic substrate more than 800 ℃, makes it be in molten state;
Step 2 is sneaked into high heat sink strip section bar in the inorganic substrate of molten state;
Step 3 is carried out wire drawing to mixed material and is handled;
Step 4, treat the material solidification after the wire drawing after, cut into the mineral filler of strip.
Preferably, the embodiment that described wire drawing is handled is for reeling off raw silk from cocoons, extrude and ooze three's one of which.
Description of drawings
The present invention will be described in more detail below in conjunction with accompanying drawing.
Fig. 1-the 1st, the mineral filler prism-shaped embodiment synoptic diagram with high thermal conductivity of the present invention.
Fig. 1-2 is the cylindric embodiment synoptic diagram of mineral filler with high thermal conductivity of the present invention.
Fig. 1-3a is the mineral filler prism-shaped embodiment vertical section synoptic diagram with high thermal conductivity of the present invention.
Fig. 1-3b is the cylindric embodiment of the mineral filler vertical section synoptic diagram with high thermal conductivity of the present invention.
Fig. 2 is the finished product synoptic diagram with mineral filler goods of high thermal conductivity of the present invention.
Fig. 3 is the synoptic diagram that preparation according to the invention has the mineral filler of high thermal conductivity.
Fig. 4 is the method flow diagram that preparation according to the invention has the mineral filler of high thermal conductivity.
Embodiment
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further explanation.
Fig. 1-1 and the corresponding respectively two kinds of different mineral filler finished products of Fig. 1-2 with high thermal conductivity.
By knowing among Fig. 1-1.Have the inorganic substrate 110 of the mineral filler 100 of high thermal conductivity, and diffusing bar section bar 120 two portions of height that are filled in the inorganic substrate are formed by bar shaped.
Height looses bar section bar 120 discrete distribution in the inorganic substrate 110 of bar shaped, 110 one-tenth prism-shaped of the inorganic substrate of bar shaped.
Accordingly, except that prism-shaped, the inorganic substrate 110 of bar shaped also has other structure formation, shown in Fig. 1-2.Among the figure, 110 one-tenth of the inorganic substrates of bar shaped are cylindric, and high bar section bar 120 disperses of loosing are distributed in the inorganic substrate 110 of bar shaped.The inorganic substrate 110 of bar shaped, and be filled in height in the inorganic substrate 100 of bar shaped and loose that bar section bar 120 is common forms the mineral filler 100 with high thermal conductivity.
Correspond respectively to the vertical section of the mineral filler 100 that has high thermal conductivity among Fig. 1-1 and Fig. 1-2 shown in Fig. 1-3a, Fig. 1-3b figure.
From Fig. 1-3a and Fig. 1-3b, can find out mineral filler 100 with high thermal conductivity inorganic substrate 110, and be filled in height in the inorganic substrate 100 of bar shaped bar section bar 120 two portions that loose and form by bar shaped.High bar section bar 120 discrete distribution of loosing are in the inorganic substrate 110 of bar shaped.
Fig. 2 is the finished product synoptic diagram with mineral filler goods of high thermal conductivity of the present invention.
By finding out among Fig. 2; A kind of mineral filler goods with high thermal conductivity of the present invention are by construction substrate 200; And mineral filler 100 two portions that are distributed in the construction substrate 200 are formed; Mineral filler 100 wherein includes the inorganic substrate 110 of bar shaped, and is filled in height in the inorganic substrate 110 of bar shaped bar section bar 120 two portions that loose and forms.
Fig. 3, Fig. 4 are respectively the method synoptic diagram and the schemas of the mineral filler of preparation according to the invention with high thermal conductivity.Below in conjunction with specific embodiment, Fig. 3 and Fig. 4 said method of manufacture with mineral filler of high thermal conductivity is specifically described.
The method that said preparation has the mineral filler of high thermal conductivity includes following steps:
Step 1 is heated to inorganic substrate more than 800 ℃, makes it be in molten state.
Described inorganic substrate is glass, quartzy both one of which.During making, the inorganic substrate raw material of choosing is positioned over the container internal heating, changes molten state into until selected raw material.
Wherein the glass molecule owing to kept the complete unordered constitutional features of liquid, when heating, does not have fusing point in the process of solidifying, and has only corresponding softening until fusion.The simple glass chemical oxide consists of Na2OCaO6SiO2 in addition; Major ingredient is a silicon-dioxide; Because it is different that different and other added ingredientss of various oxide compound proportionings can cause glass to begin the remollescent temperature, general common glass can soften to molten state more than 800 ℃.
Quartzy staple is a silicon-dioxide, and fusing point extensively exists at nature more than 1700 ℃, and the mode of drawing materials also has a variety of, and modal embodiment is a sand.
Step 2 is sneaked into high heat sink strip section bar in the inorganic substrate of molten state.
Described high heat sink strip section bar 120 is strip high heat radiation graphite film and graphene film one of which.Adopt the height heat radiation graphite film that utilizes the carbon component made in the present embodiment, have very high heat-sinking capability, its thermal conductivity can reach: 1500～1750W/mK, thickness is between the 1-300 micron.
During manufacturing, the height graphite film that dispels the heat is cut into strip and processes high heat sink strip section bar 120, and, make high heat sink strip section bar 120 discrete distribution in the inorganic substrate of molten state the inorganic substrate thorough mixing of itself and molten state.
Step 3 is carried out wire drawing to mixed material and is handled.
Wherein, the embodiment that described wire drawing is handled is for reeling off raw silk from cocoons, extrude and ooze three's one of which.
Aforesaid processing mode of reeling off raw silk from cocoons is to obtain to reel off raw silk from cocoons after the starting point, adopts the mode of traction to generate strip structure.The aforesaid processing mode of extruding is that corresponding extrusion cavities is set, and adopts the mode of extruding mixing material to generate strip structure then.Aforesaid " oozing " processing mode is meant the viscosity that reduces mixing material, utilizes action of gravity, from the preset aperture of downside, oozes, and solidifies the back and forms list structure.
According to the needs that reality is used, mixed material, wire drawing is processed diameter strip material between 0.01-50mm after handling.This material is made up of inorganic substrate and the high heat sink strip section bar 120 that is filled in the inorganic substrate, and high heat sink strip section bar 120 discrete distribution are in inorganic substrate.
Step 4, treat the material solidification after the wire drawing after, cut into the mineral filler of strip.
Along with the reduction of temperature, the material that is molten state after wire drawing is handled solidifies gradually.After treating that it solidifies fully, the needs according to reality is used cut into the bar section bar of length between 5-500mm, and are prepared into described mineral filler 100 with high thermal conductivity.This mineral filler 100 includes the inorganic substrate 110 of bar shaped, and is filled in height in the inorganic substrate 110 of bar shaped bar section bar 120 two portions that loose and forms.
In practical application, this mineral filler 100 with high thermal conductivity with construction substrate 200 thorough mixing, can effectively be improved the heat-sinking capability of this construction substrate 200.With cement is example, with using as cement material for building behind the cement thorough mixing commonly used in this mineral filler 100 building together, owing to sealed the mineral filler 100 with high thermal conductivity up for safekeeping in the cement, has improved the heat-sinking capability of cement.Wherein, described construction substrate 200 comprises the multiple material of cement, gypsum, paper pulp and plastics, and is not limited to cement.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (11)
1. mineral filler with high thermal conductivity is characterized in that: this filler is by the inorganic substrate of bar shaped, and is filled in height in the inorganic substrate of the bar shaped bar section bar two portions that loose and forms.
2. a kind of mineral filler with high thermal conductivity according to claim 1 is characterized in that: described inorganic substrate is glass, quartzy both one of which.
3. a kind of mineral filler with high thermal conductivity according to claim 1 is characterized in that: described high heat sink strip section bar is strip high heat radiation graphite film and graphene film one of which.
4. a kind of mineral filler with high thermal conductivity according to claim 3 is characterized in that: the high heat radiation of described strip graphite film, thickness is between the 1-300 micron.
5. a kind of mineral filler with high thermal conductivity according to claim 1 is characterized in that: described mineral filler be diameter between 0.01-50mm, the column of length between 5-500mm.
6. mineral filler goods with high thermal conductivity; It is characterized in that: these goods are by construction substrate; And the mineral filler two portions that are distributed in the construction substrate are formed; Mineral filler wherein by the inorganic substrate of bar shaped, and is filled in height in the inorganic substrate of the bar shaped bar section bar two portions that loose and forms.
7. a kind of mineral filler with high thermal conductivity according to claim 6 is characterized in that: described construction substrate is cement or gypsum or paper pulp or plastics.
8. method of manufacture with mineral filler of high thermal conductivity is characterized in that this method includes following steps:
Step 1 is heated to inorganic substrate more than 800 ℃, makes it be in molten state;
Step 2 is sneaked into high heat sink strip section bar in the inorganic substrate of molten state;
Step 3 is carried out wire drawing to mixed material and is handled;
Step 4, treat the material solidification after the wire drawing after, cut into the mineral filler of strip.
9. the method for manufacture with mineral filler of high thermal conductivity according to claim 8 is characterized in that: described high heat sink strip section bar, graphite film and graphene film one of which at least dispels the heat for strip is high.
10. the method for manufacture with mineral filler of high thermal conductivity according to claim 8 is characterized in that: the embodiment that described wire drawing is handled, and for reeling off raw silk from cocoons, extrude and ooze three's one of which.
11. the method for manufacture with mineral filler of high thermal conductivity according to claim 8 is characterized in that: described inorganic substrate is glass, quartzy both one of which.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106102320A CN102557462A (en) | 2010-12-28 | 2010-12-28 | Inorganic filler with high heat-conducting property and product and manufacturing method thereof |
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| CN2010106102320A CN102557462A (en) | 2010-12-28 | 2010-12-28 | Inorganic filler with high heat-conducting property and product and manufacturing method thereof |
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| CN102557462A true CN102557462A (en) | 2012-07-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466952A (en) * | 2013-08-23 | 2013-12-25 | 苏州艾特斯环保材料有限公司 | Graphene glass and production process thereof |
| CN105505334A (en) * | 2015-12-25 | 2016-04-20 | 松亿实业（厦门）有限公司 | Graphene radiator as well as preparation method and application thereof |
| 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 |
| CN108155262A (en) * | 2017-12-01 | 2018-06-12 | 浙江潮城互联网科技有限公司 | A kind of photovoltaic module |
-
2010
- 2010-12-28 CN CN2010106102320A patent/CN102557462A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466952A (en) * | 2013-08-23 | 2013-12-25 | 苏州艾特斯环保材料有限公司 | Graphene glass and production process thereof |
| CN103466952B (en) * | 2013-08-23 | 2015-09-30 | 苏州艾特斯环保材料有限公司 | A kind of Graphene glass and production technique thereof |
| CN105505334A (en) * | 2015-12-25 | 2016-04-20 | 松亿实业（厦门）有限公司 | Graphene radiator as well as preparation method and application thereof |
| CN105505334B (en) * | 2015-12-25 | 2019-03-29 | 松亿实业（厦门）有限公司 | A kind of graphene radiator, preparation method and applications |
| 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 |
| CN108155262A (en) * | 2017-12-01 | 2018-06-12 | 浙江潮城互联网科技有限公司 | A kind of photovoltaic module |
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Application publication date: 20120711 |