WO2010123265A2 - 탄소나노튜브 도전막 및 그 제조 방법 - Google Patents
탄소나노튜브 도전막 및 그 제조 방법 Download PDFInfo
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- WO2010123265A2 WO2010123265A2 PCT/KR2010/002480 KR2010002480W WO2010123265A2 WO 2010123265 A2 WO2010123265 A2 WO 2010123265A2 KR 2010002480 W KR2010002480 W KR 2010002480W WO 2010123265 A2 WO2010123265 A2 WO 2010123265A2
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- carbon nanotube
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
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- the present invention relates to a carbon nanotube conductive film and a manufacturing method thereof, and can be applied to various display fields, antistatic products, touch panel fields, and various fields including a transparent heating element.
- transparent conductive films have high conductivity (for example, sheet resistance of 1 ⁇ 10 3 ⁇ / sq or less) and high transmittance (80% or more) in the visible region.
- the transparent conductive film may include a plasma display panel (PDP), a liquid crystal display (LCD) device, a light emitting diode (LED), an organic light emitting diode (OLED), and an organic light emitting diode (OLED).
- PDP plasma display panel
- LCD liquid crystal display
- LED light emitting diode
- OLED organic light emitting diode
- OLED organic light emitting diode
- OLED organic light emitting diode
- OLED organic light emitting diode
- the carbon nanotube is evaluated as an ideal material that can realize conductivity while maintaining optical properties because the theoretical percolation concentration is only 0.04%, and light is transmitted in the visible region when a thin film is coated on a specific base layer in nanometer units. It can be used as a transparent electrode because it shows transparency and maintains electrical property, which is a unique characteristic of carbon nanotubes.
- the conductive film using carbon nanotubes as an electrode is formed by coating a carbon nanotube dispersion on a base layer.
- a coating method a filtering transition method, a spray coating method, and a coating method using a binder mixture are most commonly used. Among them, spray coating method is applicable to large area. There is an advantage that the mixing of the binder and CNT is unnecessary, so it is used more and more.
- the spray coating method has a disadvantage in scratches and environmental durability in the manufacturing process because the carbon nanotubes are exposed to the outside.
- an object of the present invention is to provide a carbon nanotube conductive film having excellent surface strength, high temperature and high humidity stability, chemical resistance and durability, and having excellent conductivity.
- the carbon nanotube conductive film according to the preferred embodiment of the present invention includes a base layer, a carbon nanotube electrode layer, and a protective layer.
- a carbon nanotube electrode layer is formed on the base layer.
- the protective layer is formed on the carbon nanotube electrode layer and includes a ceramic binder having a polar reactor bonded to another side chain of the basic skeleton having a hydrophobic reactor as a side chain.
- the carbon nanotube conductive film according to another embodiment of the present invention includes a base layer, a carbon nanotube electrode layer, and a protective layer.
- the carbon nanotube electrode layer is formed on the base layer.
- the protective layer is formed on the carbon nanotube electrode layer and comprises a ceramic binder.
- the polar reactor of the protective layer is disposed in contact with the surface of the carbon nanotube electrode layer, the hydrophobic reactor of the protective layer is preferably disposed to face the outside.
- the ceramic binder may have an oxygen atom and form a hydrogen bond with a polar solvent.
- the ceramic binder constituting the protective layer is a structure having a skeleton of the form [-Si (R1R2) -O-] n in which two alkyl groups are substituted on silicon, and the two alkyl substituted [-Si (R1R2)- It is preferable that the O-] portion and the two bonding portions of silicon and oxygen have the [-O-SiR1R2-O-] structurally opposite directions.
- a method of manufacturing a carbon nanotube conductive film includes preparing a base layer, coating a carbon nanotube on the base layer to form a carbon nanotube electrode layer, and on the carbon nanotube electrode layer. Coating a coating solution comprising a ceramic binder having a hydrophobic reactor in a side chain and a polar solvent.
- a method of manufacturing a carbon nanotube conductive film includes preparing a base layer, forming a carbon nanotube electrode layer by coating carbon nanotubes on the base layer, and forming the carbon nanotube electrode layer. Coating a ceramic having an alkyl group as a side chain thereon to form a protective layer.
- coating the coating solution may include preparing a solvent that is hydrogen-bonded with oxygen of the ceramic binder, and preparing a coating solution by mixing a ceramic binder made of a silicon binder having an oxygen atom with the solvent. And coating the coating solution on the carbon nanotube electrode layer.
- a method of manufacturing a carbon nanotube conductive film comprising: preparing a base layer, coating a carbon nanotube on the base layer to form a carbon nanotube electrode layer, and the carbon nanotube electrode layer On the surface, coating a carbon nanotube and a ceramic mixed coating liquid to form a protective layer.
- the present invention by coating a ceramic binder on the carbon nanotube layer, it is possible to obtain a carbon nanotube conductive film having high durability against high conductivity, high temperature, high humidity, and chemical stability.
- FIG. 1 is a cross-sectional view showing one end surface of a carbon nanotube conductive film according to a preferred embodiment of the present invention.
- FIG. 2 is an enlarged cross-sectional view of part A of FIG. 1.
- FIG. 3 is a cross-sectional view illustrating a modification of FIG. 2.
- FIG. 4 is a cross-sectional view showing another modification of FIG.
- 5 is a diagram illustrating the basic molecular arrangement of the protective layer.
- FIG. 6 is a block diagram illustrating a method of manufacturing a carbon nanotube conductive film according to a preferred embodiment of the present invention.
- FIG. 7 is a block diagram illustrating a modification of FIG. 6.
- FIG. 8 is a block diagram illustrating another modified example of FIG. 6.
- FIG. 1 is a cross-sectional view illustrating a carbon nanotube conductive film according to a preferred embodiment of the present invention
- FIG. 2 is an enlarged cross-sectional view of part A of FIG. 1.
- the carbon nanotube conductive film 1 includes a base layer 10, a carbon nanotube electrode layer 20, and a protective layer 30.
- the carbon nanotube electrode layer 20 is formed on the base layer 10.
- the base layer 10 may be made of a transparent material. Accordingly, the base layer 10 may be made of glass, transparent polymer such as PET, or frit glass. In this case, the base layer 10 is preferably made of a highly transparent inorganic substrate or a transparent polymer substrate to have flexibility.
- the carbon nanotube electrode layer 20 includes carbon nanotubes.
- Carbon nanotubes (CNT) form a tube in which one carbon is combined with other carbon atoms in a hexagonal honeycomb pattern to form a tube.
- the carbon nanotubes are formed in a thin conductive film on a plastic or glass substrate, they can be used as transparent electrodes because they exhibit high transmittance and conductivity in the visible light region.
- the protective layer 30 is formed on the carbon nanotube electrode layer and includes a ceramic binder 31.
- the protective layer 30 functions to protect the carbon nanotube electrode layer 20 from the outside, and in this case, the transparency and the electrical conductivity of the conductive film should not be reduced.
- the protective layer 30 may be formed of a binder 31 material of ceramic material.
- the ceramic binder 31 is capable of producing a coating film having a high light transmittance, and has excellent adhesive strength, which is advantageous for reinforcing microcracking, having excellent heat and fire resistance, and coating application.
- the ceramic binder 31 may be tin oxide (SnO 2 ) of a conductive material, yttrium oxide (Y 2 O 3 ) having a high water repellency, magnesium oxide (MgO) used as an electronic filter, and silicon oxide used as an adhesive, depending on its use. (SiO 2 ), zinc oxide (ZnO) of the sunscreen, silicon and the like can be selected.
- the silicone binder exhibits various physical properties according to functional groups substituted with silicon elements. These functional groups may be converted to other functional groups by various chemical reactions, and in addition to the methyl group, organic groups such as phenyl group, vinyl group, propyl trifluoride group, alkyl group, etc. are substituted and are widely used commercially.
- the silicon binder is present in the same material in which the organic groups bonded to the inorganic main chain are simultaneously present.
- silicon molecules have a structure having a main chain in the form of polysiloxane [Si (RR ')-O-] n.
- Silicone polymer has a low surface tension and shows strong hydrophobicity, and because of this property, it can be easily used as a water repellent material without any modification process.
- the silicon binder according to the embodiment of the present invention is preferably a structure having a skeleton of [Si (R1R2) -O-] n type in which two alkyl groups are substituted on silicon.
- the alkyl group exhibits hydrophobic properties so that when coated on the surface of the carbon nanotube electrode layer, the alkyl group is arranged outwardly opposite to the surface of the carbon nanotube electrode layer, thereby improving durability of the electrode at high temperature and high humidity.
- the solvent that can be used for coating may be selected from alcohols, amines, distilled water and a general organic solvent, the silicone binder may have a polyethylene oxide group for water solubility at the end for dispersion in the solvent.
- the solvent has a boiling point of 120 ° C. or less so that the protective layer is easily removed after coating the carbon nanotube electrode layer.
- the protective layer made of the silicone polymer has excellent oxidation stability, excellent weather resistance, low surface tension, stain resistance, and excellent gas permeability.
- the organic group of the ceramic constituting the protective layer 30 is easily mixed with carbon nanotubes and maintains stability. Accordingly, the protective layer 30 has contact stability with the carbon nanotube electrode layer and the surface.
- the protective layer 30 preferably has a thickness of several to several hundred nanometers. This is to maintain the conductivity of the carbon nanotube electrode layer.
- the binder material is not highly conductive. Silicon binder also has a problem that does not have a sheet resistance of less than 1k ⁇ / sq required by the transparent electrode.
- a thin ceramic coating film of nano units is formed on the carbon nanotubes so as not to degrade the electrode characteristics of the carbon nanotube electrode layer on the lower layer as much as possible.
- the protective layer thickness / carbon nanotube electrode thickness ratio should be adjusted in a range of 2 or less.
- the flexibility of the carbon nanotube conductive film can be maintained.
- the coating property of the ceramic binder may be maintained in the flexible coating surface.
- the carbon number of the side chain alkyl group is preferably between 5 and 15.
- concentration of a ceramic binder is 20 wt% or less of solid content.
- the protective layer 30 may be made of a mixture of the ceramic binder 31 and the carbon nanotubes 33. That is, by forming a coating solution in which the ceramic binder 31 and the carbon nanotubes 33 are mixed at a constant ratio, and coating the carbon nanotube electrode layer, the disadvantage of the increase in sheet resistance due to the coating of the protective layer is overcome and Electrode characteristics can be maintained.
- the present invention may include the polar binder 32 in the protective layer while the ceramic binder 31 has a hydrophobic reactor as a side chain. This is because when the silicon binder is coated on the carbon nanotube electrode layer together with the polar solvent, the conductivity of the carbon nanotube electrode layer is maintained, the hydrophobic property is maintained after the thin film coating, and the adhesion stability is maintained in addition to the properties of the general binder.
- the silicon binder according to the embodiment of the present invention has a structure having a skeleton of [-Si (R1R2) -O-] n type in which two alkyl groups are substituted on silicon, and the solvent is water-based. Can be.
- the alkyl group exhibits hydrophobic properties so that when coated on the surface of the carbon nanotube electrode layer, the alkyl group is arranged outwardly opposite to the surface of the carbon nanotube electrode layer, thereby improving durability of the electrode at high temperature and high humidity.
- alkyl-substituted [-Si (R1R2) -O-] moieties and two bonding moieties of silicon and oxygen in the structure of silicon are oriented in the opposite direction [-O-SiR1R2-O-] structurally. It is desirable to ensure that only alkyl can effectively be directed to the outer surface.
- the top surface layer of the electrode is coated with a hydrophobic reactor (alkyl group) after coating by using a specific solvent that can utilize the structural properties of the silicon, and the polymer side chain of the silicon is bonded to the carbon nanotube layer to bond stability to the electrode. To maximize this.
- the solvent for forming the protective layer is preferably a polar solvent 32 capable of hydrogen bonding with oxygen in the polymer skeleton of silicon.
- the polar solvent may be oriented in the opposite direction of the solvent molecule, and the polar solvent may direct the binder side chain downward, that is, toward the carbon nanotube electrode layer through oxygen and hydrogen bonding of silicon.
- the alkyl groups are arranged in a direction opposite to the surface where the solvent is wetted so that hydrophobic alkyl groups can be disposed on the outer surface of the protective layer.
- the solvent that can be used for coating may be selected a polar solvent capable of hydrogen bonding such as alcohols, amines, distilled water, the silicone binder may have a polyethylene oxide group for water solubility at the end for dispersion in the solvent.
- a polar solvent capable of hydrogen bonding such as alcohols, amines, distilled water
- the silicone binder may have a polyethylene oxide group for water solubility at the end for dispersion in the solvent.
- the polar solvent 32 In addition, the boiling point is preferably 120 ° C. or less so that the protective layer 30 is easily removed after coating the carbon nanotube electrode layer 20.
- the protective layer 30 made of the ceramic polymer has excellent oxidation stability, excellent weather resistance, low surface tension, stain resistance, and excellent gas permeability.
- the organic group of the ceramic is easily mixed with the carbon nanotubes and maintains stability. Accordingly, the protective layer has contact stability with the carbon nanotube electrode layer and the surface.
- the flexibility of the carbon nanotube conductive film can be maintained.
- the coating property of the ceramic binder may be maintained in the flexible coating surface.
- the carbon number of the side chain alkyl group is preferably between 5 and 15.
- concentration of a ceramic binder is 20 wt% or less of solid content.
- the protective layer 30 may further include carbon nanotubes 33 to maintain the conductivity of the carbon nanotube electrode layer 20. That is, by forming a coating solution in which the ceramic binder 31, the carbon nanotubes 33, and the polar solvent 32 are mixed at a predetermined ratio, and coating the carbon nanotube electrode layer 20, the sheet resistance is increased due to the coating of the protective layer. It can overcome the shortcomings and maintain the electrode characteristics of carbon nanotubes.
- the protective layer of the carbon nanotube conductive film of the present invention is partially cut and photographed with a SEM photograph, it can be seen that the carbon nanotube electrode layer 20 is protected by the protective layer 30.
- FIG. 6 is a block diagram showing each step of the carbon nanotube conductive film manufacturing method according to a preferred embodiment of the present invention.
- a base layer is prepared (S10).
- the base layer may be glass as described above or a flexible polymer polymer.
- the carbon nanotubes are coated on the base layer to form a carbon nanotube electrode layer (S20).
- the carbon nanotubes may be single-walled carbon nanotubes or multi-walled carbon nanotubes.
- the carbon nanotube coating method may be spray coating, filtering transition method of the dispersion, coating method using a binder mixture solution, and the like.
- a step of forming a protective layer by coating a ceramic binder having an alkyl group as a side chain on the carbon nanotube electrode layer (S30).
- the step first dilutes the ceramic binder.
- the diluent is diluted to 10 wt% or less with respect to the weight of the coating liquid for the protective layer by using a solvent of water and alcohol system.
- the dilution coating solution is coated on the carbon nanotube electrode layer.
- the thickness of the coating is adjusted to maintain the stability and conductivity of the surface of the carbon nanotube electrode layer after coating.
- the coating is preferably performed in a range in which the sheet resistance does not change to 50% or less of the initial sheet resistance of carbon nanotubes.
- Coating method of the dilution coating liquid for the protective layer may be a spray, using a common coating method such as gravure, spin coating, roll coating.
- the ceramic binder in the forming of the protective layer, may be formed by mixing a polar solvent.
- the ceramic binder used may be a binder having a basic skeleton structure of silicon.
- the silicone binder has two identical alkyl groups for hydrophobicity as side chains, and the alkyl group preferably has 5 to 15 carbon atoms.
- the silicone binder preferably has a polyethylene oxide group for water solubility at the end for dispersion in a polar solvent.
- the solvent may be selected a polar solvent capable of hydrogen bonding with the silicone binder.
- examples of the solvent may be alcohol, amine, distilled water, which is used alone or as a mixed solvent.
- the solvent is preferably a boiling point of 120 degrees or less for easy removal of the solvent after coating.
- the thickness of the coating is adjusted to maintain the stability and conductivity of the surface of the carbon nanotube electrode layer after coating.
- the coating is preferably performed in a range in which the sheet resistance does not change to 50% or less of the initial sheet resistance of carbon nanotubes.
- the coating method of the dilution coating solution for the protective layer may be a spray, using a common coating method such as gravure, spin coating, roll coating.
- the pretreatment temperature before curing has a preheating time of about 1 hour at 40 to 60 ° C., and then may be cured for 60 minutes at 100 ° C. to 150 ° C., more preferably 125 ° C. to 135 ° C., for complete curing.
- the heat treatment temperature and heat treatment time may be adjusted according to the type of substrate and the properties of the binder.
- the protective layer may comprise carbon nanotubes. That is, in the step (S32) of coating the protective layer on the carbon nanotube electrode layer, the protective layer may include a ceramic binder and a carbon nanotube mixture. To this end, a ceramic binder may be mixed with the carbon nanotube dispersion to prepare a coating liquid, and the coating liquid may be coated on the carbon nanotube electrode layer.
- a ceramic binder may be mixed with the carbon nanotube dispersion to prepare a coating liquid, and the coating liquid may be coated on the carbon nanotube electrode layer.
- the coating method may be a general coating method such as spray coating, gravure coating, spin coating, roll coating.
- the thickness of the coating is preferably 10 ⁇ 500nm, if the thickness of the coating is 500nm or more, the light transmittance is lowered, if it is 10nm or less, the durability characteristics are lowered.
- the use of a coating solution in which the carbon nanotube dispersion and the silicon binder are mixed causes the bundle of the carbon nanotubes of the protective layer and the bundle of the existing carbon nanotube thin film to be entangled, thereby further improving the adhesion of the coating agent.
- This improvement in adhesion shows the characteristics of the conductive film which further improves the stability of the thin film after coating than in a coating method in which conductive particles such as gold and silver are distributed in the conductive adhesive generally used.
- Example 1 a silicon binder was coated with a protective layer on a base layer coated with a carbon nanotube electrode layer, and distilled water was used as a polar solvent.
- Example 2 was coated with a silicon binder and a carbon nanotube mixed solution as a protective layer on the base layer coated with the carbon nanotube electrode layer.
- Comparative Example 1 the carbon nanotube electrode layer was coated on the base layer, and a separate protective layer was not coated.
- the high temperature and high humidity test was conducted to confirm the durability characteristics of the transparent electrode thus manufactured.
- the experimental conditions were a constant temperature and humidity chamber at 65 °C, 95%, 240 hours.
- the sheet resistance with an initial sheet resistance (Ro) of 600 ⁇ / sq is 65 ° C., 95%
- the sheet resistance is initially high compared with the case where the protective layer is not used.
- the sheet resistance is kept constant and stable.
- Comparative Example 1 without a protective layer it can be seen that after the test, the sheet resistance rapidly became unstable.
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Claims (23)
- 기저층;상기 기저층 상에 형성된 탄소나노튜브 전극층; 및상기 탄소나노튜브 전극층 상에 형성되며, 세라믹 바인더를 포함하여 이루어진 보호층;을 구비하는 탄소나노튜브 도전막.
- 제 1 항에 있어서,상기 보호층은, 적어도 하나의 알킬기를 측쇄로 가지는 것을 특징으로 하는 탄소나노튜브 도전막.
- 기저층;상기 기저층 상에 형성된 탄소나노튜브 전극층; 및상기 탄소나노튜브 전극층 상에 형성되며, 소수성 반응기를 측쇄로 가지는 기본 골격의 다른 측쇄에 극성 반응기가 결합된 세라믹 바인더를 포함하여 이루어진 보호층;을 구비하는 탄소나노튜브 도전막.
- 제 3 항에 있어서,상기 보호층의 극성 반응기는 탄소나노튜브 전극층 표면과 접하도록 배치되고, 상기 보호층의 소수성 반응기는 외부로 향하도록 배치된 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 3 항에 있어서,상기 세라믹 바인더는, 산소원자를 가지고,상기 세라믹 바인더의 기본 골격의 다른 측쇄에 결합된 극성 반응기는, 상기 세라믹 바인더의 산소와 극성 용매가 수소결합 되어서 이루어지는 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 1 항 내지 제 5 항 중 어느 하나의 항에 있어서,상기 보호층을 이루는 세라믹 바인더는 규소에 두개의 알킬기가 치환된 [- Si(R1R2)-O-]n 형태의 골격을 가진 구조로서,상기 두개의 알킬 치환 [- Si(R1R2)-O-]부분 및 규소와 산소의 두개 결합부분이 [-O-SiR1R2-O-] 구조적으로 반대 방향을 가지는 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 6 항에 있어서,상기 세라믹 바인더에 포함된 알킬기의 탄소 수는 5 내지 15 개인 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 1 항 내지 제 5 항 중 어느 하나의 항에 있어서,상기 보호층을 이루는 세라믹은, 산화주석, 산화 이트륨, 산화마그네슘, 산화규소, 산화아연, 및 실리콘 중에서 선택된 하나를 기본 골격 구조로 가지는 것으로, 상기 보호층의 농도는 고형분 20wt% 이하인 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 1 항 내지 제 5 항 중 어느 하나의 항에 있어서,상기 보호층의 두께는 10-500nm인 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 1 항 내지 제 5 항 중 어느 하나의 항에 있어서,보호층두께/탄소나노튜브전극두께 비가 2이하인 것을 특징으로 하는 탄소나노튜브 도전막.
- 제 1 항 내지 제 5 항 중 어느 하나의 항에 있어서,상기 탄소나노튜브 도전막은 초기 면저항 값을 기준으로 65℃, 95%, 240시간 고온고습 테스트 후의 면저항 값의 비가 1.2 이하인 것을 특징으로 하는 탄소나노튜브 도전막.
- 기저층을 준비하는 단계;상기 기저층 상에 탄소나노튜브를 코팅하여 탄소나노튜브 전극층을 형성하는 단계; 및상기 탄소나노튜브 전극층 상에 소수성 반응기를 측쇄로 가지는 세라믹 바인더 및 극성 용매를 포함하는 코팅 용액을 코팅하는 단계;를 포함하는 탄소나노튜브 도전막의 제조방법.
- 기저층을 준비하는 단계;상기 기저층 상에 탄소나노튜브를 코팅하여 탄소나노튜브 전극층을 형성하는 단계; 및상기 탄소나노튜브 전극층 상에 알킬기를 측쇄로 가지는 세라믹을 코팅하여 보호층을 형성하는 단계;를 포함하는 탄소나노튜브 도전막의 제조방법.
- 제 12 항 또는 제 13 항에 있어서,상기 세라믹은 하나 이상의 알킬기를 측쇄로 가지고, 알킬기의 탄소 수가 5 내지 15개인 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제 12 항 또는 제 13 항에 있어서,상기 코팅용액을 코팅하는 단계는;상기 세라믹 바인더의 산소와 수소결합되는 용매를 준비하는 단계;산소원자를 가지는 실리콘 바인더로 이루어진 세라믹 바인더를 상기 용매에 혼합하여 코팅 용액을 제조하는 단계; 및상기 코팅 용액을 상기 탄소나노튜브 전극층에 코팅하는 단계;를 포함하는 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제15항에 있어서,상기 실리콘 바인더는 규소에 두개의 알킬기가 치환된 [- Si(R1R2)-O-]n 형태의 골격을 가진 구조를 가지고, 상기 코팅 용액은 상기 두개의 알킬 치환 [- Si(R1R2)-O-]부분과 규소와 산소의 두개 결합부분이 [-O-SiR1R2-O-] 구조적으로 반대 방향을 가지는 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제15항에 있어서,상기 탄소나노튜브 전극층 상에 보호층을 형성시키는 단계는, 물, 알코올 계통의 극성용매를 가진 코팅액에 상기 세라믹이 상기 코팅액의 무게대비 10wt% 이하로 희석된 상태에서 상기 탄소나노튜브 전극층 상에 코팅되어서 이루어지는 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제 12 항 또는 제 13 항에 있어서,상기 세라믹 바인더는 탄소나노튜브와 혼합된 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제 12 항 또는 제 13 항에 있어서,상기 코팅 용액을 코팅하는 단계 이후에,적어도 상기 코팅용액이 코팅된 탄소난노튜브 전극층을 40-60℃의 온도로 예열하는 경화 전처리하는 단계; 및상기 경화 전처리된 코팅 요액을 100-160℃의 온도로 경화시키는 단계;를 더 포함하는 탄소나노튜브 도전막의 제조방법.
- 기저층을 준비하는 단계;상기 기저층 상에 탄소나노튜브를 코팅하여 탄소나노튜브 전극층을 형성하는 단계; 및상기 탄소나노튜브 전극층 상에, 탄소나노튜브 및 세라믹 혼합코팅액을 코팅하여 보호층을 형성하는 단계;를 포함하는 탄소나노튜브 도전막의 제조방법.
- 제 20 항에 있어서,상기 탄소나노튜브 및 세라믹 혼합용액을 코팅하는 단계는:탄소나노튜브 농도가 0.01 내지 0.1 wt%인 탄소나노튜브 분산용액을 제조하는 단계; 및상기 탄소나노튜브 분산용액에 세라믹을 무게비로 1-20 wt%로 첨가하여 혼합하여 혼합코팅액을 제조하는 단계;를 포함하는 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제 20 항에 있어서,상기 탄소나노튜브 전극층 상에 보호층을 형성시키는 단계는, 물, 알코올 계통의 용매를 가진 코팅액에 상기 세라믹이 상기 코팅액의 무게 대비 10wt% 이하로 희석된 상태에서 상기 탄소나노튜브 전극층 상에 코팅되어서 이루어지는 것을 특징으로 하는 탄소나노튜브 도전막의 제조방법.
- 제 20 항 내지 제 22 항 중 어느 하나의 항에 있어서,상기 보호층을 형성시키는 단계 이후에,상기 보호층을 40-60℃의 온도로 예열하는 경화 전처리하는 단계; 및상기 경화 전처리 된 보호층을 100-160℃의 온도로 경화시키는 단계;를 더 포함하는 탄소나노튜브 도전막의 제조방법.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010800180254A CN102414761A (zh) | 2009-04-23 | 2010-04-21 | 碳纳米管导电膜以及用于制造其的方法 |
| JP2012507147A JP2012524966A (ja) | 2009-04-23 | 2010-04-21 | 炭素ナノチューブ導電膜及びその製造方法 |
| US13/265,629 US20120145431A1 (en) | 2009-04-23 | 2010-04-21 | Carbon nanotube conductive film and method for manufacturing same |
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| KR10-2009-0035629 | 2009-04-23 | ||
| KR10-2009-0035631 | 2009-04-23 | ||
| KR1020090035631A KR101128291B1 (ko) | 2009-04-23 | 2009-04-23 | 탄소나노튜브 도전막 및 그 제조 방법 |
| KR1020090035629A KR101097417B1 (ko) | 2009-04-23 | 2009-04-23 | 탄소나노튜브 도전막 및 그 제조 방법 |
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| JP (1) | JP2012524966A (ko) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160679A1 (en) * | 2010-12-28 | 2012-06-28 | Atsushi Suda | Electrode device for an electrochemical sensor chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101820483B1 (ko) * | 2012-02-24 | 2018-01-19 | 에스프린팅솔루션 주식회사 | 저항발열 조성물, 및 이를 이용한 발열 복합체 및 그 제조방법, 가열장치 및 정착장치 |
| US20140263278A1 (en) * | 2013-03-15 | 2014-09-18 | Solarno, Inc. | Solar selective multilayer coating |
| CN104375686B (zh) * | 2013-08-17 | 2018-09-25 | 宸新科技(厦门)有限公司 | 触控面板 |
| WO2016019143A1 (en) | 2014-07-30 | 2016-02-04 | General Nano Llc | Carbon nanotube sheet structure and method for its making |
| WO2017136806A1 (en) | 2016-02-04 | 2017-08-10 | General Nano Llc | Carbon nanotube sheet structure and method for its making |
| US9616013B2 (en) * | 2014-12-24 | 2017-04-11 | L'oreal | Photo-activated hydrogels |
| US9637442B2 (en) * | 2014-12-24 | 2017-05-02 | L'oreal | Photo-activated hydrogels |
| US20180014357A1 (en) * | 2015-02-03 | 2018-01-11 | General Nano Llc | Electrically-conductive heating element |
| KR102142247B1 (ko) * | 2018-04-10 | 2020-08-10 | 전자부품연구원 | 힘 센서를 구비하는 필름 히터 조립체 및 그를 이용한 필름 히터 장치 |
| CN110120449B (zh) * | 2019-05-24 | 2020-12-22 | 广东省半导体产业技术研究院 | 一种透明柔性显示系统及其制备方法 |
| CN110337234B (zh) * | 2019-07-09 | 2020-11-06 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种耐湿热电磁屏蔽薄膜、复合材料、其制备方法及应用 |
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| EP1444701A4 (en) * | 2001-07-27 | 2005-01-12 | Eikos Inc | CONFORMAL COATINGS CONTAINING CARBON NANOTUBES |
| JP2006035771A (ja) * | 2004-07-29 | 2006-02-09 | Takiron Co Ltd | 導電層転写シート |
| KR100749886B1 (ko) * | 2006-02-03 | 2007-08-21 | (주) 나노텍 | 탄소나노튜브를 이용한 발열체 |
| JP4743520B2 (ja) * | 2006-03-02 | 2011-08-10 | 三洋電機株式会社 | カーボンナノチューブ電極及びその製造方法 |
| US20090311554A1 (en) * | 2007-01-05 | 2009-12-17 | Sang Keun Oh | Carbon nanotube dispersing agent, carbon nanotube composite, carbon nanotube film, and method for manufacturing the carbon nanotube film |
| KR20080064572A (ko) * | 2007-01-05 | 2008-07-09 | (주)탑나노시스 | 컬러 탄소나노튜브 조성물 및 이의 제조 방법 |
-
2010
- 2010-04-21 WO PCT/KR2010/002480 patent/WO2010123265A2/ko not_active Ceased
- 2010-04-21 CN CN2010800180254A patent/CN102414761A/zh active Pending
- 2010-04-21 JP JP2012507147A patent/JP2012524966A/ja active Pending
- 2010-04-21 US US13/265,629 patent/US20120145431A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160679A1 (en) * | 2010-12-28 | 2012-06-28 | Atsushi Suda | Electrode device for an electrochemical sensor chip |
| US8691062B2 (en) * | 2010-12-28 | 2014-04-08 | Japan Aviation Electronics Industry, Limited | Electrode device for an electrochemical sensor chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102414761A (zh) | 2012-04-11 |
| WO2010123265A3 (ko) | 2011-03-31 |
| JP2012524966A (ja) | 2012-10-18 |
| US20120145431A1 (en) | 2012-06-14 |
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