CN104130576A - Graphene heat-conduction film - Google Patents

Graphene heat-conduction film Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
graphene
conduction film
heat conduction
heat
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410314543.0A
Other languages
Chinese (zh)
Inventor
陈鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU SHIYOUJIA ELECTRONICS TECHNOLOGY Co Ltd
Original Assignee
SUZHOU SHIYOUJIA ELECTRONICS TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU SHIYOUJIA ELECTRONICS TECHNOLOGY Co Ltd filed Critical SUZHOU SHIYOUJIA ELECTRONICS TECHNOLOGY Co Ltd
Priority to CN201410314543.0A priority Critical patent/CN104130576A/en
Publication of CN104130576A publication Critical patent/CN104130576A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/15Nano-sized carbon materials
    • C01B32/182Graphene
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2204/00Structure or properties of graphene
    • C01B2204/20Graphene characterized by its properties
    • C01B2204/24Thermal properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • 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

A kind of Graphene heat conduction film
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.
CN201410314543.0A 2014-07-03 2014-07-03 Graphene heat-conduction film Pending CN104130576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410314543.0A CN104130576A (en) 2014-07-03 2014-07-03 Graphene heat-conduction film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410314543.0A CN104130576A (en) 2014-07-03 2014-07-03 Graphene heat-conduction film

Publications (1)

Publication Number Publication Date
CN104130576A true CN104130576A (en) 2014-11-05

Family

ID=51803443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410314543.0A Pending CN104130576A (en) 2014-07-03 2014-07-03 Graphene heat-conduction film

Country Status (1)

Country Link
CN (1) CN104130576A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN103738940B (en) A kind of heat conduction film of Graphene modification
CN103805144B (en) A kind of Graphene heat conducting film and preparation method thereof
CN104130576A (en) Graphene heat-conduction film
CN101880039B (en) Composite film based on glassy carbon and graphene and preparation method thereof
CN105175954B (en) The fluorubber nano composite material and manufacture method of a kind of low-permeable graphene-containing
CN103864068B (en) A kind of preparation method of high conduction graphite film
CN104029461A (en) Graphene/carbon nano tube/graphite film composite material and preparation method thereof
JP6465368B2 (en) Heat dissipation material using mixed graphite and method for producing the same
CN101798076B (en) Method for preparing composite thin plate based on glass carbon and carbon nanotube
JP2016522151A (en) Composite graphite heat dissipating material containing expanded graphite particles with high density compression processing and method for producing the same
CN103554913A (en) Insulation thermal conductive polyphenylene sulfide composite material and preparation method thereof
CN104057653A (en) Graphite membrane/metal composite cooling fin and preparation method thereof
CN105086200A (en) Graphene modified PVC material
JP2015117372A (en) Polyamide-imide, graphite film, and production of graphite film
KR101912878B1 (en) Manufacturing method of Heat conduction sheet for graphite using heat-emiting
CN104070715A (en) Graphene heat conduction and soaking film
CN105799246A (en) High-inflaming-retarding low-warping carbon fiber sheet and manufacturing process thereof
KR101387086B1 (en) Insulative and heat-dissipative master batch and insulative and heat-dissipative products
CN106166865A (en) A kind of flame-retardant and anti-static BOPET composite membrane
CN202949681U (en) Stacking structure of flexible graphite paper material and flexible graphite paper obtained through heat treatment
KR101465071B1 (en) A flexible transparent electrode using cesium and a flexible transparent electrode produced thereby
CN203305606U (en) Heat-resistant BOPET (biaxially-oriented polyethylene terephthalate) protective film for fireproof plate
KR101882817B1 (en) Pressure sensitive adhesive and Composite sheet with EMI shield and heat radiation comprising the same
CN104195522A (en) Preparation method of glass fiber cotton felt with high thermal conductivity
CN104070772A (en) Production process of high-thermal conductivity resin glued copper foil

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141105