CN106316397B - A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece - Google Patents
A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece Download PDFInfo
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- CN106316397B CN106316397B CN201610603399.1A CN201610603399A CN106316397B CN 106316397 B CN106316397 B CN 106316397B CN 201610603399 A CN201610603399 A CN 201610603399A CN 106316397 B CN106316397 B CN 106316397B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- B32B9/005—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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
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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
- 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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- 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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention discloses a kind of methods for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece, including 1) raw material；2) precomminution；3) pre-screening；4) iron is removed；5) separating twice；6) regrading；7) it mixes；8) die mould and heating；9) high temperature graphitization；10) notacoria；11) thermal trough is suppressed；12) it cuts；The processing technology step is scientific and reasonable, the processing technology of the prior art is improved, the processing that raw material is refined, keep its granularity more uniform consistent, the qualification rate of finished product is improved, and then improves the electric conductivity and thermal conductivity of heat conductive graphite piece, and its chemical stability can also be improved by the technique, its thermal expansivity is reduced, and easy processing forms.
Description
Technical field
The present invention relates to a kind of heat conductive graphite piece of electronics field more particularly to a kind of prepare high-strength thermally conductive water conservancy diversion
The method of heat conductive graphite piece.
Background technique
Heat conductive graphite piece is a kind of completely new heat conduction and heat radiation material, along two square uniform heat conductions, shields heat source and component
The performance of consumption electronic product is improved simultaneously, and color is usually black, and material is natural graphite by exquisite processing, thermal coefficient
In the horizontal direction be up to 1500W/M-K, using IC, CPU, MOS, LED, cooling fin, LCD-TV, laptop, communication apparatus,
Wireless exchange board, DVD, handheld device etc..
Heat conductive graphite piece has thermal conductivity same or even higher with metal and electric conductivity because of nonmetallic materials,
Its thermal conductivity is relatively better than aluminium foil or copper foil, but the conduction that heat conductive graphite piece is produced in existing production technology
Property and thermal conductivity are relatively inaccessible to most preferably essentially consist in the processing stage of raw material, in the prior art to the place of heat conductive graphite tablet raw material
Reason not enough fining, causes containing more impurity component in its raw material, so that the quality for the heat conductive graphite piece that final production goes out is not
Enough height, qualification rate reduce, and it is preferable to shop property and thermal conductivity to will affect it.
Summary of the invention
In view of the above problems, the present invention is intended to provide a kind of side for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece
Method, the processing technology step is scientific and reasonable, improves to the processing technology of the prior art, the place refined to raw material
Reason keeps its granularity more uniform consistent, improves the qualification rate of finished product, and then improves the electric conductivity of heat conductive graphite piece and lead
It is hot, and its chemical stability can also be improved by the technique, its thermal expansivity is reduced, and easy processing forms.
To achieve the goals above, the technical solution adopted in the present invention is as follows:
A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece, comprising the following steps:
1) raw material: raw material of the carbon black as heat conductive graphite piece is chosen；
2) above-mentioned carbon black precomminution: is crushed to the medium size of 60-80mm in advance through crushing plant；
3) pre-screening: it is above-mentioned to be sieved through broken carbon black by vibrating screen, remove larger particles impurity in carbon black；
4) remove iron: the carbon black through crushing, which is placed in trash separator, operate except iron；
5) separating twice: the little particle that grain diameter is 0.3-0.5mm is ground into through crushing plant through the carbon black except iron；
6) regrading: the carbon black little particle through separating twice carries out three level screen by screening plant respectively, filters out
Particle of the same size comes out；
7) it mixes: carbon black little particle and adhesive being subjected to kneading, form mixture；
8) die mould and heating: in a mold by above-mentioned mixture compression moulding, it is pressed into square sheet shape, thickness exists
Between 0.01-0.02mm, heat conductive graphite piece green body is formed, heating pipe is set in mold, by heating pipe to being pressed into
The heat conductive graphite piece green body of type is tentatively heated, and heating and temperature control is between 200-300 DEG C, heating time 30min；
9) high temperature graphitization: the heat conductive graphite piece green body through above-mentioned heating is fed directly to carry out high temperature in high temperature graphitization furnace
Graphitization operation；
10) notacoria: it is heat-resisting that the heat conductive graphite piece after high temperature graphitization is cooled to 50-60 DEG C of one layer of the bottom surface Shi Qi coating
Double-sided adhesive, and one layer of release paper is adhered in heat conductive graphite piece bottom surface, when temperature drops to 10-15 DEG C, in the upper of heat conductive graphite piece
Surface carries out notacoria processing, and adherency a layer thickness is the PET film of 0.03-0.05mm thickness；
11) suppress thermal trough: the heat conductive graphite piece after gum is placed in mold, and surface rolling goes out width and depth on it
Degree is the thermal trough of 1mm；
12) cut: the heat conductive graphite piece green body after graphitization forms the heat conductive graphite piece of finished product, and cooling down, into
And the size of needs is cut by cutting equipment.
Preferably, the trash separator in the step 4) includes trash extraction box, feed inlet, discharge port and spiral agitator,
Iron plate is removed for vertically arranged at least one piece at the feed inlet of the trash extraction box, and is additionally provided with net at the feed inlet of the trash extraction box
Sieve uniform distributor.
Preferably, rotary open type lid is arranged at the feed inlet, rotary open type lid one end is certainly
By holding, the other end is hingedly connected on the cabinet of the trash extraction box by articulated shaft.
Preferably, the step 6) three level screen, is by carbon black little particle respectively through 400 mesh, 200 mesh and 100 mesh
Mesh screen carries out three level screen.
Preferably, carbon black little particle and adhesive with the ratio of 5:1 carry out kneading in the step 7), wherein adhesive
For coal tar pitch.
The beneficial effects of the present invention are: compared with prior art, of the invention thes improvement is that,
First, adding except iron operates, because containing the impurity such as irony in the raw material of crushing, therefore need through trash separator in it
The impurity in portion is purged, and can be improved the purity of raw material in this way, and then improve the quality of processing, electric conductivity and thermal conductivity also can
With raising, also removing the iron impurities in raw material can prevent from being oxidized during following process；
Second, increasing the screening stage, sieves adding for stage and the final uniformity for improving raw material is had a very big impact,
Mentality of designing of the present invention is sieved by three-level sieve, can thus be further ensured that the uniformity of raw material degree, improve at
Product rate；
Third, the present invention also sets up die mould and heating before high temperature graphitization, heated immediately after the completion of die mould,
It is the transition carried out before high temperature graphitization, the efficiency of high temperature graphitization can be improved in this way and entered after reducing die mould
Gap in high temperature graphitization furnace.
Fourth, firstly, improving the activity of glue molecule, can not only be mentioned using the notacoria processing method under keeping warm mode
The effect of high gum, and gum efficiency can also be improved, and in order to reach preferable notacoria treatment effect, therefore need temperature
It is further reduced, temperature carries out notacoria processing when dropping to 20-30 DEG C again, can drop to the damage coefficient of PET film most
It is low, realize better notacoria.
Detailed description of the invention
Fig. 1 is the schematic diagram of heat conductive graphite piece of the present invention.
Wherein: 1- heat conductive graphite piece, 2- thermal trough.
Specific embodiment
In order to make those skilled in the art be better understood on technical solution of the present invention, with reference to the accompanying drawing and
Embodiment is further described technical solution of the present invention.
A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece, comprising the following steps:
1) raw material: raw material of the carbon black as heat conductive graphite piece is chosen；
2) precomminution: above-mentioned carbon black is crushed to the medium size of 60-80mm in advance through crushing plant, because of carbon raw material
Granularity is excessive, not only can not guarantee calcined uniform quality in calcination process, but also influenced by calciner, to adding
Material and discharge cause difficulty, guarantee that the subsequent depth that can be realized is calcined；
3) pre-screening: it is above-mentioned to be sieved through broken carbon black by vibrating screen, remove larger particles impurity in carbon black；
4) remove iron: the carbon black through crushing, which is placed in trash separator, operate except iron；
Trash separator includes trash extraction box, feed inlet, discharge port and spiral agitator, is erected at the feed inlet of the trash extraction box
Iron plate is removed at least one piece of setting, and is additionally provided with mesh screen uniform distributor at the feed inlet of the trash extraction box, in the charging
Rotary open type lid is set at mouthful, and rotary open type lid one end is free end, and the other end is hingedly connected by articulated shaft
It connects on the cabinet of the trash extraction box, the mesh of mesh screen uniform distributor is 60 or 80 mesh, in this way by by the particle of precomminution
Shape raw material enters mesh screen uniform distributor and is spread out uniform blanking, and the particle of blanking will spread out, convenient for inhaling impurity
On except iron plate；
Except iron plate is vertically set side by side multiple in trash extraction box, every two is except being set as blanking channel, pre- powder between iron plate
Broken particle is inhaled iron impurities on except iron plate by removing iron plate during blanking from throat-fed, and because of lid
For rotary open type lid, therefore when reaching certain thickness except iron, lid is opened, is periodically cleared up except iron plate, in order to avoid
Dust removal rate and effect are influenced, lid is arranged to rotary open type lid simply, conveniently, can fast implement the cleaning except iron plate
Installation operation.
5) separating twice: the little particle that grain diameter is 0.3-0.5mm is ground into through crushing plant through the carbon black except iron；
6) regrading: the carbon black little particle through separating twice carries out three level screen by screening plant respectively, filters out
Particle of the same size comes out, three level screen, is to carry out carbon black little particle through 400 mesh, 200 mesh and 100 mesh mesh screens respectively
Three level screen；Adding for screening stage has a very big impact the final uniformity for improving raw material, and mentality of designing of the present invention is
It is sieved by three-level sieve, can thus be further ensured that the uniformity of raw material degree, improve yield rate；
7) it mixes: carbon black little particle and adhesive being subjected to kneading, form mixture, carbon black little particle and adhesive are with 5:
1 ratio carries out kneading, and wherein adhesive is coal tar pitch；
8) die mould and heating: in a mold by above-mentioned mixture compression moulding, it is pressed into square sheet shape, thickness exists
Between 0.01-0.02mm, heat conductive graphite piece green body is formed, heating pipe is set in mold, by heating pipe to being pressed into
The heat conductive graphite piece green body of type is tentatively heated, and heating and temperature control is between 200-300 DEG C, heating time 30min；This hair
It is bright that die mould and heating are also set up before high temperature graphitization, it is heated immediately after the completion of die mould, is to carry out high temperature graphitization
A preceding transition can improve the efficiency of high temperature graphitization in this way and enter in high temperature graphitization furnace after reducing die mould
Gap；
9) high temperature graphitization: the heat conductive graphite piece green body through above-mentioned heating is fed directly to carry out high temperature in high temperature graphitization furnace
Graphitization operates, and the graphitization temperature range in pyrographite furnace is 1100-1200 DEG C, graphitization time 15-20min；
10) notacoria: in order to certain needs insulation or heat-insulated circuit design in, in order to preferably realize that function is optimal
Change, needs to carry out notacoria processing on the surface of heat conductive graphite piece；Heat conductive graphite piece specifically after high temperature graphitization is cooled to
The 50-60 DEG C of bottom surface Shi Qi coats one layer of heat-resisting double-sided adhesive, and adheres to one layer of release paper in heat conductive graphite piece bottom surface, drops to temperature
When to 10-15 DEG C, notacoria processing is carried out in the upper surface of heat conductive graphite piece, adherency a layer thickness is the PET of 0.03-0.05mm thickness
Film；The present invention is the progress notacoria technique when heat conductive graphite piece temperature is down to a certain range, it is that can make than the advantage of room temperature
The bioactive molecule for obtaining heat-resisting double-sided adhesive increases, and preferably realizes bonding, the raising back of double-sided adhesive and release paper and heat conductive graphite piece
Film effect and efficiency, and in order to reach preferable notacoria treatment effect, therefore need further to be reduced temperature, temperature
Notacoria processing is carried out again when dropping to 10-15 DEG C, the damage coefficient of PET film can be preferably minimized, be realized better notacoria；
11) suppress thermal trough: referring to attached drawing 1, the heat conductive graphite piece 1 after gum is placed in mold, and surface is pressed on it
It produces width and depth is the thermal trough 2 of 1mm；The setting of thermal trough 2 carries out heat by thermal trough 2 while fever
Water conservancy diversion realizes the purpose of quick conductive；
12) cut: the heat conductive graphite piece green body after graphitization forms the heat conductive graphite piece of finished product, and cooling down, into
And the size of needs is cut by cutting equipment.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of method for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece, which comprises the following steps:
1) raw material: raw material of the carbon black as heat conductive graphite piece is chosen；
2) above-mentioned carbon black precomminution: is crushed to the medium size of 60-80mm in advance through crushing plant；
3) pre-screening: it is above-mentioned to be sieved through broken carbon black by vibrating screen, remove larger particles impurity in carbon black；
4) remove iron: the carbon black through crushing, which is placed in trash separator, operate except iron；
5) separating twice: the little particle that grain diameter is 0.3-0.5mm is ground into through crushing plant through the carbon black except iron；
6) regrading: the carbon black little particle through separating twice carries out three level screen by screening plant respectively, filters out size
Consistent particle comes out；
7) it mixes: carbon black little particle and adhesive being subjected to kneading, form mixture；
8) die mould and heating: in a mold by above-mentioned mixture compression moulding, it is pressed into square sheet shape, thickness is in 0.01-
Between 0.02mm, heat conductive graphite piece green body is formed, heating pipe is set in mold, compression moulding is led by heating pipe
Hot graphite flake green body is tentatively heated, and heating and temperature control is between 200-300 DEG C, heating time 30min；
9) high temperature graphitization: the heat conductive graphite piece green body through above-mentioned heating is fed directly to carry out pyrographite in high temperature graphitization furnace
Change operation；
10) notacoria: it is heat-resisting two-sided that the heat conductive graphite piece after high temperature graphitization is cooled to 50-60 DEG C of one layer of the bottom surface Shi Qi coating
Glue, and one layer of release paper is adhered in heat conductive graphite piece bottom surface, when temperature drops to 10-15 DEG C, in the upper surface of heat conductive graphite piece
Notacoria processing is carried out, adherency a layer thickness is the PET film of 0.03-0.05mm thickness；
11) suppress thermal trough: the heat conductive graphite piece after gum is placed in mold, and surface rolling goes out width on it and depth is equal
For the thermal trough of 1mm；
12) cut: the heat conductive graphite piece green body after graphitization forms the heat conductive graphite piece of finished product, and cooling down, Jin Ertong
Cross the size that cutting equipment is cut into needs.
2. a kind of method for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece according to claim 1, it is characterised in that: described
Trash separator in step 4) includes trash extraction box, feed inlet, discharge port and spiral agitator, at the feed inlet of the trash extraction box
Vertically arranged at least one piece is removed iron plate, and is additionally provided with mesh screen uniform distributor at the feed inlet of the trash extraction box.
3. a kind of method for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece according to claim 2, it is characterised in that: in institute
Setting rotary open type lid at feed inlet is stated, rotary open type lid one end is free end, and the other end passes through articulated shaft
It is hingedly connected on the cabinet of the trash extraction box.
4. a kind of method for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece according to claim 1, it is characterised in that: described
Step 6) three level screen is that carbon black little particle is carried out three level screen through 400 mesh, 200 mesh and 100 mesh mesh screens respectively.
5. a kind of method for preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece according to claim 1, it is characterised in that: described
Carbon black little particle and adhesive are in step 7) with the ratio progress kneading of 5:1, and wherein adhesive is coal tar pitch.
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| CN201610603399.1A CN106316397B (en) | 2016-07-28 | 2016-07-28 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
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| CN201610603399.1A CN106316397B (en) | 2016-07-28 | 2016-07-28 | A method of preparing high-strength thermally conductive water conservancy diversion heat conductive graphite piece |
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| CN107930830B (en) * | 2017-12-16 | 2023-05-02 | 江西正拓新能源科技股份有限公司 | Artificial graphite negative electrode material production system |
| CN110436940B (en) * | 2019-08-28 | 2022-04-19 | 大同新成新材料股份有限公司 | Preparation method of high-thermal-conductivity carbon-carbon composite material |
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|---|---|---|---|---|
| WO1998001389A1 (en) * | 1996-07-05 | 1998-01-15 | Nippon Pillar Packing Co., Ltd. | Seal stock of inflated graphite and method of manufacturing same |
| CN101993246A (en) * | 2009-08-27 | 2011-03-30 | 李健伟 | Thermal conductive graphite blocks for blast-furnace bottom and hearth |
| CN204031699U (en) * | 2014-07-01 | 2014-12-17 | 斯迪克新型材料（江苏）有限公司 | Use for electronic products graphite heat-conducting fin |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001389A1 (en) * | 1996-07-05 | 1998-01-15 | Nippon Pillar Packing Co., Ltd. | Seal stock of inflated graphite and method of manufacturing same |
| CN101993246A (en) * | 2009-08-27 | 2011-03-30 | 李健伟 | Thermal conductive graphite blocks for blast-furnace bottom and hearth |
| CN204031699U (en) * | 2014-07-01 | 2014-12-17 | 斯迪克新型材料（江苏）有限公司 | Use for electronic products graphite heat-conducting fin |
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| Title |
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| 一种高导热石墨材料的制备方法;刘朗等;《山西煤化所科技产出》;20041231;全文 |
| 填料粒度对石墨制品传导性能的影响;邱海鹏等;《耐火材料》;20040812;第36卷(第4期);全文 |
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