CN103333621A - Bucky paper electrocaloric effect-based fusion method and composite material thereof - Google Patents
Bucky paper electrocaloric effect-based fusion method and composite material thereof Download PDFInfo
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- CN103333621A CN103333621A CN2013102873667A CN201310287366A CN103333621A CN 103333621 A CN103333621 A CN 103333621A CN 2013102873667 A CN2013102873667 A CN 2013102873667A CN 201310287366 A CN201310287366 A CN 201310287366A CN 103333621 A CN103333621 A CN 103333621A
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- 238000007500 overflow downdraw method Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 92
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 26
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002134 carbon nanofiber Substances 0.000 claims abstract description 15
- 230000004927 fusion Effects 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000002109 single walled nanotube Substances 0.000 claims description 4
- 238000005275 alloying Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000002048 multi walled nanotube Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 229910021389 graphene Inorganic materials 0.000 abstract 1
- 229920001903 high density polyethylene Polymers 0.000 description 7
- 239000004700 high-density polyethylene Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000002079 double walled nanotube Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
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- 229920006305 unsaturated polyester Polymers 0.000 description 1
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Abstract
The invention discloses a bucky paper electrocaloric effect-based fusion method and a composite material thereof. The fusion method comprises following steps: bucky paper is contacted with a base material used for hot melting, and then is electrified and heated, and cooled and shaped. The composite material prepared by using the fusion method has a fusion structure of the base material and bucky paper. Full advantage of the excellent bucky paper electrocaloric effect is taken; the fusion method is simple; no pollution is caused; energy consumption is less; and preparation speed is fast. The dispersity of the composite material and carbon nano-materials (carbon nano-tube, carbon nanofiber, and graphene) prepared by the fusion method is high.
Description
Technical field
The present invention relates to carbon nanometer paper Application Areas, particularly relate to a kind of adhesive method and matrix material thereof based on carbon nanometer paper electrocaloric effect.
Background technology
Carbon nanotube and carbon nanofiber are the one-dimentional structure of nanoscale because of it, light weight, and good conduction, thermal conductivity, excellent mechanical strength is made carbon nanometer strongthener because often it being added in other material.Such as mixing in organic polymer, make carbon nanometer organic composite material, the quite original polymkeric substance of its performance significantly promotes, and quality is still very light.The organic composite material of doped carbon nanometer pipe or carbon nanofiber can be widely used in fields such as electromagnetic shielding, high shock material, high conduction high strength polymer fiber.For example openly magazine Materials Science and Engineering B has reported that the carbon nanotube with massfraction 4% mixes among PP, PE and the PET, is up to the suction intensity of wave of 17.61dB at 7.6GHz.Chinese patent CN101432137A discloses and a kind of single wall and double-walled carbon nano-tube is mixed in the Resins, epoxy, thereby strengthens its flexural strength greatly.Carbon nano metal matrix material also is a kind of carbon nano reinforced composites, by blending, can significantly improve the mechanical property of metal.Yet, bring into play the performance that carbon nanofiber strengthens, necessarily require carbon nanotube or carbon nanofiber to be dispersed in the matrix.Be example with the polymkeric substance, at present, the method for dispersion has following several: 1, solvent dispersion addition method, namely earlier carbon nanofiber or carbon nanotube are scattered in the solvent, then polymkeric substance also is dissolved in the solvent, by modes such as evaporation dryings, is prepared into matrix material; 2, mechanical disruption is mixed, and with the blend of directly milling of carbon nanotube or carbon nanofiber, blow obtains carbon nanometer organic composite material; 3, melting mixing namely adopts machines such as forcing machine with carbon nanotube or blending in of fibers; 4, in-situ polymerization blend namely earlier is dispersed in polymer monomer with carbon nanotube or carbon nanofiber, adds initiator then, carries out polymerization, thereby obtains carbon nanotube or fiber-organic composite material.The employing aforesaid way disperses, and can have some problems usually, such as: solvent evaporates is polluted, polymer solvent is slow; the mechanical blending dispersion efficiency is low; dispersion effect is poor, and carbon nanotube or fiber dispersion are in some polymer monomer difficulty, and polymkeric substance is selected problems such as limited.
Carbon nanometer paper (Buckie paper, bucky paper) is a kind of by carbon nanotube or the even crosslinked paper shape base material that is nonwoven fabric construct of carbon nanofiber.It had both kept the characteristic such as satisfactory electrical conductivity, high-specific surface area of carbon nanomaterial, possessed the operability of macroscopic material again.
Carbon nanometer Hard copy body is a uniform reticulated structure, adopt carbon nanometer paper and need to strengthen the matrix fusion, avoided the problem of carbon nanotube or carbon nanofiber difficulties in dispersion in matrix, and carbon nanotube or carbon nanofiber also keep a mesh nanometer structure that is cross-linked with each other in matrix.At present, mainly adopt RTM prepared carbon nanometer paper and polymer composites.The cardinal principle of RTM technology is the strongthener preform that lay designs by performance and structural requirement in die cavity, adopt injection device that resin dedicated system is injected closed mould cavity, mould has periphery sealing and fastening and injection and exhaust system, to guarantee that resin flows is smooth and to discharge all gas in the die cavity and thoroughly soak into fiber, also has heating system, heating curable formed composite material member.Open magazine Composites:Part B has reported and has adopted RTM technology that Resins, epoxy is compounded on the carbon nanometer paper of surperficial Ni modification, shown good anti-lightning strike characteristic.Open magazine Journal of Nanomaterials has reported and has also adopted RTM technology to be compounded on the carbon nanometer paper unsaturated polyester, has showed high vibration damping performance.Yet there is big energy-consuming in RTM technology, and preparation speed is slow, and cost is higher, the defective that the polymkeric substance of employing dissolution with solvents also exists solvent evaporates to pollute.
Summary of the invention
The present invention's first purpose is to provide a kind of less energy-consumption, cheaply carbon nanometer paper is used for the method that other materials fuses---based on the fusion method of carbon nanometer paper electrocaloric effect; Another purpose is to provide the matrix material of this method preparation.
The present invention's first purpose is achieved in that fusion method comprises that carbon nanometer paper contacts with the base material for the treatment of hot melt, to carbon nanometer paper energising heating, cooling forming.
Described fusion method can increase pressurization steps, to strengthen the degree of fusion of carbon nanometer paper and base material.
Described pressurization is adopted the good material contact of thermal diffusivity, to guarantee to form a bigger thermograde.
Described fusion method, the degree adjustment that energising heating power and time fuse as required.
Described fusion method, its fusion environment is vacuum environment, to guarantee that the gas in the material is discharged in the alloying process.
Another object of the present invention is achieved in that described matrix material carbon nanotube paper and base material are tight fusion and form.
Described carbon nanotube paper is that having by described carbon nanometer paper is to have by Single Walled Carbon Nanotube, a kind of in multi-walled carbon nano-tubes or the carbon nanofiber or mix the nonwoven fabric construct that is cross-linked into.
Described base material is any material that is heated and can softens or melt.
Described matrix material can be one deck carbon nanometer paper, and the double-layer structure of one deck base material also can be the multilayer alternating structure.
Described composite material base can be same material, also can be base material not of the same race.
Described matrix material, matrix permeability are fused in the space of carbon nanometer paper.
Beneficial effect
Adopt fusion method of the present invention, take full advantage of the good electrocaloric effect of carbon nanometer paper, the preparation method is simple, and is pollution-free, and it is little to consume energy, and prepares fireballing characteristics; Adopt matrix material carbon nanotube and the carbon nanofiber of this method preparation scattered.
Description of drawings
Fig. 1 among the present invention based on the principle schematic of the fusion method of carbon nanometer paper electrocaloric effect;
Among the figure: 1-base material, 2-carbon nanotube paper, 3-heating power supply.
Fig. 2 is the structural representation of alternate type matrix material that the present invention is based on the fusion method preparation of carbon nanometer paper electrocaloric effect;
Among the figure: 1-base material, 2-carbon nanotube paper.
Embodiment
Below in conjunction with drawings and Examples a kind of fusion method and matrix material thereof based on carbon nanometer paper electrocaloric effect of the present invention done further to explanation; but never in any form the present invention is limited; any change or replacement according to training centre of the present invention is done all belong to protection scope of the present invention.
Fig. 1 among the present invention based on the principle schematic of the fusion method of carbon nanometer paper electrocaloric effect;
Preparation principle described in the present invention is: base material 1 is contacted with carbon nanotube paper 2, the heating of switching on of 3 pairs of carbon nanotube paper of power supply, when carbon nanotube paper temperature reaches the softening or temperature of fusion of base material 1, the base material in contact carbon nanotube paper zone begins fusing or softening, fusing or the base material and the carbon nanometer paper that soften are bonding, suitably adjust Heating temperature, pressure and time, can obtain base material and fully be penetrated in the carbon nanometer paper, matrix material, last cooling forming.
Summarize and say that fusion method comprises that carbon nanometer paper contacts with the base material for the treatment of hot melt, to carbon nanometer paper energising heating, cooling forming.
Described fusion method can increase pressurization steps, to strengthen the degree of fusion of carbon nanometer paper and base material.
Described pressurization is adopted the good material contact of thermal diffusivity, to guarantee to form a bigger thermograde.
Described fusion method, the degree adjustment that energising heating power and time fuse as required.
Described fusion method, its fusion environment is vacuum environment, to guarantee that the gas in the material is discharged in the alloying process.
Fig. 2 is the structural representation of alternate type matrix material that the present invention is based on the fusion method preparation of carbon nanometer paper electrocaloric effect;
Described composite structure comprises that carbon nanotube paper and base material are tight fusion and form.
Described carbon nanotube paper is to be to have by Single Walled Carbon Nanotube by described carbon nanometer paper, a kind of in multi-walled carbon nano-tubes or the carbon nanofiber or mix the nonwoven fabric construct that is cross-linked into.
Described base material is any material that is heated and can softens or melt.
Described matrix material can be one deck carbon nanometer paper, and the double-layer structure of one deck base material also can be the multilayer alternating structure.
Described composite material base can be same material, also can be base material not of the same race.
Described matrix material, matrix permeability are fused in the space of carbon nanometer paper.
With magnalium sheet and alternately laminated being close to of carbon nanometer paper, make the whole vacuum environment that is in, to the energising of carbon nanometer paper, make it reach 500 ℃, kept 1 minute, naturally cooling namely obtains the carbon nanometer and strengthens the magnalium matrix material.
One deck polypropylene film is close to carbon nanometer paper, carbon nanometer paper is heated, make it reach 170 ℃, and to applying certain pressure between polypropylene film and the carbon nanotube paper, kept 5 seconds, naturally cooling obtains single face polypropylene composite carbon nanometer paper.
High density polyethylene(HDPE) thin plate and carbon nanometer paper alternate multiple are close to, make the whole vacuum environment that is in, carbon nanometer paper is heated, make it reach 140 ℃, and to applying certain pressure between high density polyethylene(HDPE) thin plate and the carbon nanometer paper, kept naturally cooling, the high-density polyethylene composite material that the carbon nanometer strengthens 20 seconds.
Embodiment 4
The nanometer glass putty is sprinkling upon on the carbon nanometer paper uniformly, is that glass putty is close to carbon nanometer paper, and carbon nanometer paper is heated, and makes it reach 250 ℃, keeps 30 seconds, and naturally cooling is namely made carbon nanometer paper-metallic tin matrix material.
Embodiment 5
High-density polyvinyl chloride thin plate and carbon nanometer paper alternate multiple are close to, make the whole vacuum environment that is in, carbon nanometer paper is heated, make it reach 200 ℃, and to applying certain pressure between high density polyethylene(HDPE) thin plate and the carbon nanometer paper, kept naturally cooling, the polyvinyl chloride composite materials that the carbon nanometer strengthens 1 minute.
Claims (10)
1. fusion method based on carbon nanometer paper electrocaloric effect, carbon nanometer paper contacts with the base material for the treatment of hot melt, to carbon nanometer paper energising heating, cooling forming.
2. the fusion method based on carbon nanometer paper electrocaloric effect according to claim 1 is characterized in that: increase pressurization steps.
3. pressurization steps according to claim 2 is characterized in that: described pressurization, adopt the good material contact of thermal diffusivity, to guarantee to form a bigger thermograde.
4. the fusion method based on carbon nanometer paper electrocaloric effect according to claim 1 is characterized in that: described energising heating, the degree adjustment that energising heating power and time fuse as required.
5. the fusion method based on carbon nanometer paper electrocaloric effect according to claim 1 is characterized in that: described fusion method, its fusion environment is vacuum environment, to guarantee that the gas in the material is discharged in the alloying process.
6. matrix material based on the preparation of the fusion method of carbon nanometer paper electrocaloric effect, described matrix material carbon nanotube paper and base material are tight fusion and form.
7. matrix material according to claim 6, it is characterized in that: described carbon nanometer paper is to have by Single Walled Carbon Nanotube, a kind of in multi-walled carbon nano-tubes or the carbon nanofiber or mix the nonwoven fabric construct that is cross-linked into.
8. matrix material according to claim 6 is characterized in that: described base material is that any being heated can be softening or the material of fusing.
9. matrix material according to claim 6, it is characterized in that: described matrix material can be one deck carbon nanometer paper, and the double-layer structure of one deck base material also can be the multilayer alternating structure; Described composite material base can be same material, also can be base material not of the same race.
10. matrix material according to claim 6, it is characterized in that: described matrix material, matrix permeability are fused in the space of carbon nanometer paper.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727134A (en) * | 2014-05-26 | 2015-06-24 | 昆明纳太能源科技有限公司 | Carbon nano composite material, as well as preparation method and application thereof |
| CN106356444A (en) * | 2015-07-14 | 2017-01-25 | 现代自动车株式会社 | Integrated flexible thermoelectric device and method of manufacturing the same |
| CN106671549A (en) * | 2015-11-11 | 2017-05-17 | 北京卫星环境工程研究所 | Film structure for satellite flexible heat radiator and manufacturing method of film structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3178635B1 (en) * | 2015-12-11 | 2019-10-30 | Airbus Operations GmbH | Method for welding together a first object and a second object |
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| CN101480858A (en) * | 2008-01-11 | 2009-07-15 | 清华大学 | Carbon nano-tube composite material and preparation method thereof |
| TW201315791A (en) * | 2011-10-07 | 2013-04-16 | Nat Univ Tsing Hua | Method for joining components by utilizing ohmic heating to cure carbon nanotube-epoxy composite adhesive |
| CN103144310A (en) * | 2013-03-04 | 2013-06-12 | 中国科学院福建物质结构研究所 | Preparation method of high-content carbon nanotube/thermoplastic resin composite material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480858A (en) * | 2008-01-11 | 2009-07-15 | 清华大学 | Carbon nano-tube composite material and preparation method thereof |
| TW201315791A (en) * | 2011-10-07 | 2013-04-16 | Nat Univ Tsing Hua | Method for joining components by utilizing ohmic heating to cure carbon nanotube-epoxy composite adhesive |
| CN103144310A (en) * | 2013-03-04 | 2013-06-12 | 中国科学院福建物质结构研究所 | Preparation method of high-content carbon nanotube/thermoplastic resin composite material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727134A (en) * | 2014-05-26 | 2015-06-24 | 昆明纳太能源科技有限公司 | Carbon nano composite material, as well as preparation method and application thereof |
| CN106356444A (en) * | 2015-07-14 | 2017-01-25 | 现代自动车株式会社 | Integrated flexible thermoelectric device and method of manufacturing the same |
| US10964876B2 (en) | 2015-07-14 | 2021-03-30 | Hyundai Motor Company | Integrated flexible thermoelectric device and method of manufacturing the same |
| US11563161B2 (en) | 2015-07-14 | 2023-01-24 | Hyundai Motor Company | Integrated flexible thermoelectric device and method of manufacturing the same |
| CN106671549A (en) * | 2015-11-11 | 2017-05-17 | 北京卫星环境工程研究所 | Film structure for satellite flexible heat radiator and manufacturing method of film structure |
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