CN104130576A - Graphene heat-conduction film - Google Patents
Graphene heat-conduction film Download PDFInfo
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- CN104130576A CN104130576A CN201410314543.0A CN201410314543A CN104130576A CN 104130576 A CN104130576 A CN 104130576A CN 201410314543 A CN201410314543 A CN 201410314543A CN 104130576 A CN104130576 A CN 104130576A
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- graphene
- conduction film
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/24—Thermal properties
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a graphene heat-conduction film, which is characterized in that graphene is added in the heat-conduction film, the heat-conduction film comprises the following raw materials by weight: 15-65 parts of polyimides emulsion, 0-10 parts of binder, 25-95 parts of graphene, 0-2 parts of dispersant, 0-3 parts of modifier, 0.5-1 parts of additive and 0-10 parts of solvent. By employing the technical scheme, the graphene heat-conduction film is capable of effectively increasing the intensity of the heat-conduction film, increasing the mechanical property and heat conduction performance, and also increasing the stability.
Description
Technical field
The present invention relates to film field, be specifically related to a kind of Graphene heat conduction film.
Background technology
Film is a kind of thin and soft transparent sheet, makes with plastic cement, binding agent, rubber or other materials, and polyester film is scientific to be interpreted as: the two-dimensional material being formed at substrate surface by atom, molecule or ion deposition.Film is widely used in the industries such as electronic apparatus, machinery, printing.
Graphene is current the thinnest the hardest nano material also in the world, and it is almost completely transparent, and to the light that absorbs 2.3%, thermal conductivity is up to 5300W/mk, higher than carbon nanotube and diamond.Graphene is a kind of novel material of the individual layer sheet structure being made up of carbon atom, has intensity high, and specific surface area is large, high chemical reactivity, the feature of high fillibility.
Summary of the invention
The object of the invention is to overcome the problem that prior art exists, a kind of Graphene heat conduction film is provided.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of Graphene heat conduction film, has added Graphene at heat conduction film, it is characterized in that, described heat conduction film is made up of the component that comprises following weight part:
Polyimide emulsion: 15-65 part;
Binding agent: 0-10 part;
Graphene: 25-95 part;
Dispersion agent: 0-2 part;
Properties-correcting agent: 0-3 part;
Additive: 0.5-1 part
Solvent: 0-10 part.
Further, described binding agent is vinyl chloride-vinyl acetate, and described dispersion agent is ethylene-vinyl acetate copolymer, and described properties-correcting agent is boric acid, and described additive is saturated resin, and described solvent is acetic acid.
Further, described Graphene is some layers of individual layer sheet structure, and the carbon atom of every interlayer is combined by π bond.
Further, described film need to be in nitrogen or argon gas and at high temperature sintering just can obtain.
Beneficial effect of the present invention:
Adopt technical solution of the present invention, can effectively improve the thin film strength of heat conduction, and improve mechanical property and heat conductivility, also improved stability.
Embodiment
Below in conjunction with embodiment, describe the present invention in detail.
Embodiment 1:
Step 1) adds polyimide emulsion: 15kg successively; Vinyl chloride-vinyl acetate: 3kg; Graphene: 25kg; Ethylene-vinyl acetate copolymer: 1kg; Boric acid: 1kg; Saturated resin: 0.5kg; Acetic acid: 5kg puts into agitator, stirs, and puts into baking oven, progressively heat up, then under atmosphere protection, and in graphitizing furnace 2500 DEG C of sintering 2h greyings, obtain heat conduction film.
The thermal conductivity of the material making and tensile strength experimental result are as shown in table 1.
Embodiment 2:
Add successively polyimide emulsion: 40kg; Vinyl chloride-vinyl acetate: 7kg; Graphene: 60kg; Ethylene-vinyl acetate copolymer: 1.5kg; Boric acid: 2kg; Saturated resin: 0.8kg; Acetic acid: 8kg puts into agitator, stirs, and puts into baking oven, progressively heat up, then under atmosphere protection, and in graphitizing furnace 2500 DEG C of sintering 2h greyings, obtain heat conduction film.
The thermal conductivity and the tensile strength experimental result that obtain material are as shown in table 1.
Embodiment 3:
Polyimide emulsion: 65kg; Vinyl chloride-vinyl acetate: 10kg; Graphene: 95kg; Ethylene-vinyl acetate copolymer: 2kg; Boric acid: 3kg; Saturated resin: 1kg; Acetic acid: 10kg puts into agitator, stirs, and puts into baking oven, progressively heat up, then under atmosphere protection, and in graphitizing furnace 2500 DEG C of sintering 2h greyings, obtain heat conduction film.
The thermal conductivity of the material making and tensile strength experimental result are as shown in table 1.
Table 1
Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 |
Tensile strength (MPa) | ?310 | ?316 | ?313 |
Thermal conductivity (W/m*K) | 1005 | 1015 | 1020 |
As shown in Table 1, heat conduction film of the present invention is more outstanding in heat conductivility and mechanical property; In heat conduction film, add Graphene to improve the thin film strength of heat conduction, Graphene high lubricating effect, has therefore improved mechanical property and the thermal conductivity of heat conduction film.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a Graphene heat conduction film, is characterized in that, has added Graphene at heat conduction film, it is characterized in that, described heat conduction film is made up of the component that comprises following weight part:
Polyimide emulsion: 15-65 part;
Binding agent: 0-10 part;
Graphene: 25-95 part;
Dispersion agent: 0-2 part;
Properties-correcting agent: 0-3 part;
Additive: 0.5-1 part
Solvent: 0-10 part.
2. Graphene heat conduction film according to claim 1, is characterized in that, described binding agent is vinyl chloride-vinyl acetate, described dispersion agent is ethylene-vinyl acetate copolymer, described properties-correcting agent is boric acid, and described additive is saturated resin, and described solvent is acetic acid.
3. Graphene heat conduction film according to claim 1, is characterized in that, described Graphene is some layers of individual layer sheet structure, and the carbon atom of every interlayer is combined by π bond.
4. Graphene heat conduction film according to claim 1, is characterized in that, described film need to be in nitrogen or argon gas and at high temperature sintering just can obtain.
Priority Applications (1)
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CN201410314543.0A CN104130576A (en) | 2014-07-03 | 2014-07-03 | Graphene heat-conduction film |
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CN201410314543.0A CN104130576A (en) | 2014-07-03 | 2014-07-03 | Graphene heat-conduction film |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106867256A (en) * | 2017-02-27 | 2017-06-20 | 华烁科技股份有限公司 | A kind of Graphene fabric-modifying anisotropic thermal Kapton, preparation method and application |
CN109777372A (en) * | 2019-01-31 | 2019-05-21 | 广东思泉新材料股份有限公司 | A kind of high thermal conductivity membrane preparation method |
CN110396193A (en) * | 2019-09-04 | 2019-11-01 | 江苏亚宝绝缘材料股份有限公司 | A kind of preparation method and product of in-situ polymerization graphene hybrid modification polyamic acid resin |
CN115073056A (en) * | 2022-07-01 | 2022-09-20 | 苏州恩多科石墨烯科技有限公司 | Graphene high-thermal-conductivity material and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120140447A (en) * | 2011-06-21 | 2012-12-31 | 동의대학교 산학협력단 | Polyimide-graphene composite material and method of producing the same |
CN103194058A (en) * | 2013-04-08 | 2013-07-10 | 桂林电子科技大学 | High-thermal-conductive moisture permeable film and preparation method thereof |
CN103665866A (en) * | 2013-12-16 | 2014-03-26 | 宁波今山电子材料有限公司 | Preparation method for graphene-polyimide composite film |
CN103738940A (en) * | 2013-11-12 | 2014-04-23 | 宁波墨西科技有限公司 | Graphene-modified heat conduction film |
US20140121350A1 (en) * | 2012-10-31 | 2014-05-01 | Korea Institute Of Science And Technology | Polyimide-graphene composite material and method for preparing same |
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2014
- 2014-07-03 CN CN201410314543.0A patent/CN104130576A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120140447A (en) * | 2011-06-21 | 2012-12-31 | 동의대학교 산학협력단 | Polyimide-graphene composite material and method of producing the same |
US20140121350A1 (en) * | 2012-10-31 | 2014-05-01 | Korea Institute Of Science And Technology | Polyimide-graphene composite material and method for preparing same |
CN103194058A (en) * | 2013-04-08 | 2013-07-10 | 桂林电子科技大学 | High-thermal-conductive moisture permeable film and preparation method thereof |
CN103738940A (en) * | 2013-11-12 | 2014-04-23 | 宁波墨西科技有限公司 | Graphene-modified heat conduction film |
CN103665866A (en) * | 2013-12-16 | 2014-03-26 | 宁波今山电子材料有限公司 | Preparation method for graphene-polyimide composite film |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106867256A (en) * | 2017-02-27 | 2017-06-20 | 华烁科技股份有限公司 | A kind of Graphene fabric-modifying anisotropic thermal Kapton, preparation method and application |
CN106867256B (en) * | 2017-02-27 | 2019-10-18 | 华烁科技股份有限公司 | A kind of graphene fabric-modifying anisotropic thermal Kapton, preparation method and application |
CN109777372A (en) * | 2019-01-31 | 2019-05-21 | 广东思泉新材料股份有限公司 | A kind of high thermal conductivity membrane preparation method |
CN110396193A (en) * | 2019-09-04 | 2019-11-01 | 江苏亚宝绝缘材料股份有限公司 | A kind of preparation method and product of in-situ polymerization graphene hybrid modification polyamic acid resin |
CN115073056A (en) * | 2022-07-01 | 2022-09-20 | 苏州恩多科石墨烯科技有限公司 | Graphene high-thermal-conductivity material and preparation method thereof |
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Application publication date: 20141105 |