CN103738940B - A kind of heat conduction film of Graphene modification - Google Patents
A kind of heat conduction film of Graphene modification Download PDFInfo
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Abstract
The present invention relates to a kind of heat conduction film of Graphene modification, comprise polyimide emulsion, binding agent, auxiliary agent and solvent, add Graphene in described heat conduction film, the weight percent of each component in heat conduction film is respectively polyimide emulsion 10-60%, binding agent 0-10%, Graphene 30-90%, auxiliary agent 0-5% and solvent 0-10%.It is high that the present invention has intensity according to Graphene, and specific surface area is large, high chemical reactivity, high thermal conductivity coefficient, the feature of high fillibility; In heat conduction film, add Graphene improve the thin film strength of heat conduction, Graphene high lubricating effect, therefore can improve mechanical property and the thermal conductivity of heat conduction film.
Description
Technical field
The present invention relates to technical field of polymer materials, especially designing one, to have thermal conductivity high, stretch-proof, the heat conduction film of the Graphene modification of bend resistance.
Background technology
Film is a kind of thin and soft transparent sheet.Make with plastics, sizing agent, rubber or other materials.Polyester film is scientific to be interpreted as: the two-dimensional material formed at substrate surface by atom, molecule or ion deposition.Film is widely used in the industries such as electronic apparatus, machinery, printing.
Such as Kapton, it is a kind of novel organic polymer thin film, by pyromellitic acid anhydride (PMDA) and diaminodiphenyl oxide (ODA) in extremely strong property solvent N,N-dimethylacetamide (DMAC) through polycondensation and casting film-forming, then to form through imidization.There is excellent mechanical property, electrical property, chemical stability, radioresistance, high temperature resistant and resistance to low temperature.But the thermal conductivity of Kapton is only 0.16W/ (MK), limits the application in technical field of electronic materials.
Geim and Novoselov of Man Chesidun university of Britain in 2004 obtains self-existent two-dimensional graphene (Gra-phene by tape stripping high starch breeding, GN), since crystal, Graphene has become one of extremely concerned study hotspot of material science.In fact Graphene is exactly the graphite of monoatomic layer, and it has unique two-dirnentional structure and excellent mechanics, thermodynamics, optics and electric property.
Graphene is at present the thinnest is in the world the hardest nano material also, and it is almost completely transparent, to the light absorbing 2.3%, thermal conductivity up to 5300W/mk, higher than carbon nanotube and diamond.Graphene is a kind of novel material of the individual layer sheet structure be made up of carbon atom, has intensity high, and specific surface area is large, high chemical reactivity, the feature of high fillibility.
Chinese patent notification number CN101168598B, on June 2 2010 day for announcing, name is called the preparation method of the ultra-thick polyimide film of high thermal conductivity, low thermal coefficient of expansion.This application case discloses the preparation method of ultra-thick polyimide film of a kind of high thermal conductivity, low thermal coefficient of expansion, monomer diamine is dissolved in aprotic polar solvent, add and the dianhydride of diamines equimolar ratio and surface treated nano heat-conductive material, reaction 4-10 hour, synthesis is containing the polyamic acid resin of nano heat-conductive material.Its weak point is, although improve thermal conductivity, the mechanical property of film is not high, and preparation is the film of super thick, and applicability is not strong.
Summary of the invention
The object of the invention is to solve existing thin film mechanical performance not high, the defect of poor thermal conductivity and to provide one to have thermal conductivity high, stretch-proof, the heat conduction film of the Graphene modification of bend resistance.
To achieve these goals, the present invention is by the following technical solutions:
A kind of heat conduction film of Graphene modification, comprise polyimide emulsion, binding agent, auxiliary agent and solvent, add Graphene in described heat conduction film, the weight percent of each component in heat conduction film is respectively polyimide emulsion 10-60%, binding agent 1-10%, Graphene 30-90%, auxiliary agent 0.5-5% and solvent 1-10%.In the technical program, Graphene is a kind of novel material of the individual layer sheet structure be made up of carbon atom, has intensity high, and specific surface area is large, high chemical reactivity, high thermal conductivity coefficient, the feature of high fillibility; In heat conduction film, add Graphene improve the thin film strength of heat conduction, Graphene high lubricating effect, therefore can improve mechanical property and the thermal conductivity of heat conduction film.
As preferably, auxiliary agent is dispersion agent, properties-correcting agent and coupling agent, and the mass ratio of dispersion agent, properties-correcting agent, coupling agent is 1:0.5-1.5:0.4-0.8.
As preferably, dispersion agent is selected from the one in ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer, oxidized homopolymer, properties-correcting agent is selected from one or more in nano zirconium dioxide, nano titanium oxide, boron nitride, polyamide wax, boric acid, and coupling agent is selected from the one in silane coupling agent, aluminate coupling agent, phosphate coupling agent or titanate coupling agent.In the technical program, nano zirconium dioxide can coordinate Graphene to improve the mechanical property of film further as intensity, buckle resistance; Nano titanium oxide has the function of antiultraviolet, also can sterilization, and add nano titanium oxide in the film and can make film under the prerequisite meeting high thermal conductivity and mechanical property, environmental protection more, meets the theme of Modern Green environmental protection; The effect of dispersion agent is the mobility of modified pigment particle surface properties, adjustment pigment particles; The effect of coupling agent increases the compound between organic high molecular compound and Graphene, increases the cohesiveness to base material.
As preferably, described Graphene is individual layer sheet structure, or described Graphene be the number of plies at 2-50 layer, be carbon atom sp in layer
2hybridized orbital composition hexagonal honeycomb shape lattice, interlayer are that carbon atom closes with π bond.
As preferably, described Graphene adds with the form of powder or slurry.
As preferably, in described Graphene, carbon and non-carbon mass ratio are greater than 4:1, and non-carbon is selected from one or more in fluorine, nitrogen, oxygen, sulphur, hydrogen, chlorine, bromine, iodine.
As preferably, described film needs high temperature sintering under atmosphere protection to obtain.Wherein, protective atmosphere is selected from the one in nitrogen, argon gas, helium, and sintering temperature is 800-3000 DEG C.
As preferably, described Graphene also includes the modified graphene of various functional group, as one or more in hydroxyl, carboxyl, carbonyl, nitrogen base, amino.
As preferably, binding agent is selected from the one in acrylic resin, epoxy resin, urethane resin, vinyl chloride-vinyl acetate, and solvent is selected from one or more in deionized water, ethanol, acetic acid, quadrol, tolylene diisocyanate.
The invention has the beneficial effects as follows, it is high that the present invention has intensity according to Graphene, and specific surface area is large, high chemical reactivity, high thermal conductivity coefficient, the feature of high fillibility; In heat conduction film, add Graphene improve the thin film strength of heat conduction, Graphene high lubricating effect, therefore can improve mechanical property and the thermal conductivity of heat conduction film.
Embodiment
Below in conjunction with specific embodiment, the present invention is further explained:
In the present invention, if not refer in particular to, the raw material adopted all can be buied from market or this area is conventional, and the method in following embodiment, if no special instructions, is the ordinary method of this area.
The raw material needed for heat conduction film related in the present invention is marketable material, wherein, binding agent is selected from the one in acrylic resin, epoxy resin, urethane resin, vinyl chloride-vinyl acetate, and solvent is selected from one or more in deionized water, ethanol, acetic acid, quadrol, tolylene diisocyanate.
The preparation technology of heat conduction film is the existing technique preparing film, as blow molding, flow casting molding or calendering formation.
Graphene raw material, Graphene powder, Graphene slurry are commercially available, purchased from Ningbo Mo Xi Science and Technology Ltd..
Graphene is individual layer sheet structure, or described Graphene be the number of plies at 2-50 layer, be carbon atom sp in layer
2hybridized orbital composition hexagonal honeycomb shape lattice, interlayer are that carbon atom closes with π bond; Carbon and non-carbon mass ratio are greater than 4:1, and non-carbon is selected from one or more in fluorine, nitrogen, oxygen, sulphur, hydrogen, chlorine, bromine, iodine.
Graphene also can include the modified graphene of various functional group, as one or more in hydroxyl, carboxyl, carbonyl, nitrogen base, amino.
Embodiment 1
By polyimide emulsion 10%, Graphene slurry 80%, binding agent acrylic resin 5%, auxiliary agent 0.5% and volume ratio are that the etoh solvent of 1:2 and deionized water 4.5% put into agitator gradually, stir, put into baking oven, be progressively warming up to 250 DEG C, 1h is dried, two-way stretch, obtain length 10mm, width 10mm, the film of thickness 0.05mm.Again under atmosphere protection, 1000 DEG C of sintering 1h carbonization, finally in graphitizing furnace, 2800 DEG C of sintering 2h greyings, obtain the heat conduction film of Graphene modification.
Embodiment 2
By polyimide emulsion 10%, the etoh solvent that mass ratio is the binding agent acrylic resin of 1:2 and epoxy resin 10%, Graphene slurry 65%, auxiliary agent 5% and volume ratio are 1:2 and acetic acid 10% put into reactor gradually, abundant stirring 3 hours, obtain mixed solution, then carry out deaeration, by mixed solution curtain coating after deaeration on Stainless Steel Band, through 280 DEG C of dryings, obtain length 10mm, width 10mm, thickness 0.05mm film.Again under atmosphere protection, 800 DEG C of sintering 2h carbonization, finally in graphitizing furnace, 2500 DEG C of sintering 1h greyings, obtain the heat conduction film of Graphene modification.Wherein, auxiliary agent is dispersion agent, properties-correcting agent and coupling agent, dispersion agent is polyethylene wax, properties-correcting agent is nano zirconium dioxide, nano titanium oxide and boron nitride, coupling agent is silane coupling agent, the mass ratio of dispersion agent, properties-correcting agent and coupling agent is 1:0.5:0.4, and the mass ratio of nano zirconium dioxide, nano titanium oxide and boron nitride is 1:1:1.
Embodiment 3
By polyphosphazene polymer imide emulsion 60%, mass ratio is that the epoxy resin of binder of 1:2 and urethane resin 6%, Graphene slurry 30%, auxiliary agent 4% put into reactor gradually, 80 DEG C of mixing 4h, obtain mixed solution, then deaeration is carried out, by mixed solution curtain coating after deaeration on Stainless Steel Band, through 300 DEG C of dryings, obtain length 10mm, width 10mm, the film of thickness 0.05mm, so by film in nitrogen protection atmosphere, 800 DEG C of sintering 2h carbonization, sinters 4h at last 3000 DEG C, obtains the heat conduction film of Graphene modification; Wherein, auxiliary agent is dispersion agent, properties-correcting agent and coupling agent, dispersion agent is oxidized polyethlene wax, properties-correcting agent is boron nitride, polyamide wax and boric acid, coupling agent is aluminate coupling agent, the mass ratio of dispersion agent, properties-correcting agent and coupling agent is 1:1:0.5, and the mass ratio of boron nitride, polyamide wax and boric acid is 1:2:2.
Embodiment 4
By polyimide emulsion 40%, epoxy resin of binder 3%, graphene powder 50%, auxiliary agent 3% and volume ratio are that the solvent acetic acid of 1:1 and quadrol 4% put into reactor gradually, 100 DEG C mix 3 hours, obtain mixed solution, then deaeration is carried out, by mixed solution curtain coating after deaeration on Stainless Steel Band, through 230 DEG C of dryings, in two-way stretch, obtain length 10mm, width 10mm, the film of thickness 0.05mm, then by film in nitrogen protection atmosphere, sinter 4h at 1000 DEG C, 2600 DEG C of sintering 2h, obtain the heat conduction film of Graphene modification again; Wherein, auxiliary agent is dispersion agent, properties-correcting agent and coupling agent, and dispersion agent is Macrogol 200, properties-correcting agent is nano zirconium dioxide and boric acid, coupling agent is phosphate coupling agent, and the mass ratio of dispersion agent, properties-correcting agent and coupling agent is 1:1.5:0.8, and the mass ratio of nano zirconium dioxide and boric acid is 1:1.
Embodiment 5
By polyimide emulsion 50%; epoxy resin of binder 8%, graphene powder 40% and volume ratio are that the solvent acetic acid of 1:1 and quadrol 2% put into reactor gradually; stir 3h; obtain mixed solution; then deaeration is carried out; by mixed solution curtain coating after deaeration on Stainless Steel Band; through 320 DEG C of dryings; obtained length 10mm, width 10mm, the film of thickness 0.05mm; then by film in nitrogen protection atmosphere; sinter 3h at 800 DEG C, then sinter 2 hours at 2800 DEG C, obtain the heat conduction film of Graphene modification.
Embodiment 6
By polyimide emulsion 50%, graphene powder 90% puts into reactor gradually, stirs 3h; obtain mixed solution, then carry out deaeration, by mixed solution curtain coating after deaeration on Stainless Steel Band; through 320 DEG C of dryings; obtained length 10mm, width 10mm, the film of thickness 0.05mm; then by film in nitrogen protection atmosphere; sinter 3h at 800 DEG C, then sinter 2 hours at 2800 DEG C, obtain the heat conduction film of Graphene modification.
Comparative example 1, commercially available heat conduction film, purchased from Shanghai great Chu Electron Material Co., Ltd, model GS Kapton.
Comparative example 2, formula used is identical with embodiment 2 with method for making, and unique difference does not wherein add Graphene.
The heat conduction film obtained by embodiment 1-6 and the heat conduction film of comparative example 1-2 are tested, and result is as follows:
Table 1, test result
Thermal conductivity (W/m*K) | Tensile strength/MPa | |
Embodiment 1 | 1000 | 312 |
Embodiment 2 | 1021 | 321 |
Embodiment 3 | 1011 | 334 |
Embodiment 4 | 1043 | 314 |
Embodiment 5 | 998 | 300 |
Embodiment 6 | 1018 | 311 |
Comparative example 1 | 16 | 269 |
Comparative example 2 | 61 | 271 |
From table 1, heat conduction film of the present invention is more better than the heat conduction film of comparative example 1-2 on heat conductivility, and heat conduction film of the present invention is also more outstanding in mechanical property.It is high that the present invention has intensity according to Graphene, and specific surface area is large, high chemical reactivity, high thermal conductivity coefficient, the feature of high fillibility; In heat conduction film, add Graphene improve the thin film strength of heat conduction, Graphene high lubricating effect, therefore can improve mechanical property and the thermal conductivity of heat conduction film.
Above-described embodiment is a kind of preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (1)
1. a heat conduction film for Graphene modification, is characterized in that, by weight percentage, by polyimide emulsion 10%, Graphene slurry 80%, binding agent acrylic resin 5%, auxiliary agent 0.5% and volume ratio are that the etoh solvent of 1:2 and deionized water 4.5% put into agitator gradually, stir, put into baking oven, progressively be warming up to 250 DEG C, 1h is dried, and two-way stretch, obtains length 10mm, width 10mm, the film of thickness 0.05mm; Again under atmosphere protection, 1000 DEG C of sintering 1h carbonization, finally in graphitizing furnace, 2800 DEG C of sintering 2h greyings, obtain the heat conduction film of Graphene modification.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101880039A (en) * | 2010-06-24 | 2010-11-10 | 上海交通大学 | Composite film based on glassy carbon and graphene and preparation method thereof |
CN102675857A (en) * | 2012-06-11 | 2012-09-19 | 佛山市南海区研益机电有限公司 | Heat-conducting and insulating thermosetting composition as well as preparation method and application thereof |
-
2013
- 2013-11-12 CN CN201310558179.8A patent/CN103738940B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101880039A (en) * | 2010-06-24 | 2010-11-10 | 上海交通大学 | Composite film based on glassy carbon and graphene and preparation method thereof |
CN102675857A (en) * | 2012-06-11 | 2012-09-19 | 佛山市南海区研益机电有限公司 | Heat-conducting and insulating thermosetting composition as well as preparation method and application thereof |
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