JP2023120009A5 - - Google Patents

Download PDF

Info

Publication number
JP2023120009A5
JP2023120009A5 JP2022023169A JP2022023169A JP2023120009A5 JP 2023120009 A5 JP2023120009 A5 JP 2023120009A5 JP 2022023169 A JP2022023169 A JP 2022023169A JP 2022023169 A JP2022023169 A JP 2022023169A JP 2023120009 A5 JP2023120009 A5 JP 2023120009A5
Authority
JP
Japan
Prior art keywords
layer
thin film
polymer composite
composite thin
film according
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.)
Granted
Application number
JP2022023169A
Other languages
Japanese (ja)
Other versions
JP7418758B2 (en
JP2023120009A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2022023169A priority Critical patent/JP7418758B2/en
Priority claimed from JP2022023169A external-priority patent/JP7418758B2/en
Priority to PCT/JP2023/005046 priority patent/WO2023157844A1/en
Publication of JP2023120009A publication Critical patent/JP2023120009A/en
Publication of JP2023120009A5 publication Critical patent/JP2023120009A5/ja
Application granted granted Critical
Publication of JP7418758B2 publication Critical patent/JP7418758B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (17)

カーボンナノチューブを含む第1の層と、
主に高分子材料で構成され前記第1の層と接するように重畳された第2の層と、を備え、
前記第1の層において、前記カーボンナノチューブは、主に前記第1の層の平面方向に延伸して二次元的なチューブネットワークを構成し、
前記第2の層は、所定のガスに対する選択透過性を有することを特徴とする高分子複合薄膜。
a first layer containing carbon nanotubes;
a second layer mainly composed of a polymeric material and superimposed so as to be in contact with the first layer,
In the first layer, the carbon nanotubes mainly extend in a plane direction of the first layer to form a two-dimensional tube network,
A polymer composite thin film, wherein the second layer has selective permselectivity for a predetermined gas.
重畳された前記第1の層と前記第2の層とを合計した平均膜厚を1700nm以下としたことを特徴とする請求項1に記載の高分子複合薄膜。 2. The polymer composite thin film according to claim 1, wherein the total average thickness of the superimposed first layer and second layer is 1700 nm or less. 重畳された前記第1の層と前記第2の層とを合計した平均膜厚を120nm以下としたことを特徴とする請求項1に記載の高分子複合薄膜。 2. The polymer composite thin film according to claim 1, wherein the total average thickness of the superimposed first layer and second layer is 120 nm or less. 重畳された前記第1の層と前記第2の層とを合計した平均膜厚を50nm以下としたことを特徴とする請求項1に記載の高分子複合薄膜。 2. The polymer composite thin film according to claim 1, wherein the total average thickness of the superimposed first layer and second layer is 50 nm or less. 重畳された前記第1の層と前記第2の層とを合計した平均膜厚を30nm以下としたことを特徴とする請求項1に記載の高分子複合薄膜。 2. The polymer composite thin film according to claim 1, wherein the total average thickness of the superimposed first layer and second layer is 30 nm or less. 前記第1の層は、その平面内Aにおいて、
前記第1の層の厚み方向に、
複数の前記カーボンナノチューブが存在する第1の領域A1と、
単一の前記カーボンナノチューブが存在する第2の領域A2と、
前記カーボンナノチューブが不在である第3の領域A3と、
を備えることを特徴とする請求項1~請求項5のいずれか一項に記載の高分子複合薄膜。
In the plane A of the first layer,
In the thickness direction of the first layer,
a first region A1 in which a plurality of carbon nanotubes exist;
a second region A2 in which a single carbon nanotube exists;
a third region A3 in which the carbon nanotubes are absent;
The polymer composite thin film according to any one of claims 1 to 5, comprising:
前記第2の層が、二酸化炭素及び酸素を選択的により透過することを特徴とする請求項1~請求項6のいずれか一項に記載の高分子複合薄膜。 7. The polymer composite thin film according to claim 1, wherein the second layer selectively permeates carbon dioxide and oxygen. 高分子材料とカーボンナノチューブとを含み、所定のガスに対する選択透過性を有する高分子複合薄膜であって、
前記カーボンナノチューブは、前記高分子材料に分散され、主に当該高分子複合薄膜の平面方向に延伸して二次元的なチューブネットワークを構成していることを特徴とする高分子複合薄膜。
A polymer composite thin film containing a polymer material and carbon nanotubes and having selective permselectivity for a predetermined gas,
A polymer composite thin film characterized in that the carbon nanotubes are dispersed in the polymer material and mainly extend in a plane direction of the polymer composite thin film to form a two-dimensional tube network.
前記高分子複合薄膜は、その平面内Aにおいて、
前記高分子複合薄膜の厚み方向に、
複数の前記カーボンナノチューブが存在する第1の領域A1と、
単一の前記カーボンナノチューブが存在する第2の領域A2と、
前記カーボンナノチューブが不在である第3の領域A3と、
を備えることを特徴とする請求項8に記載の高分子複合薄膜。
In the plane A of the polymer composite thin film,
In the thickness direction of the polymer composite thin film,
a first region A1 in which a plurality of carbon nanotubes exist;
a second region A2 in which a single carbon nanotube exists;
a third region A3 in which the carbon nanotubes are absent;
The polymer composite thin film according to claim 8, comprising:
前記第1の領域A1の面積をS1、前記第2の領域A2の面積をS2、前記第3の領域A3の面積をS3とするとき、S1<S2<S3となるように構成されていることを特徴とする請求項6または請求項9に記載の高分子複合薄膜。 When the area of the first area A1 is S1, the area of the second area A2 is S2, and the area of the third area A3 is S3, it is configured such that S1<S2<S3. The polymer composite thin film according to claim 6 or 9, characterized by: 前記高分子材料として、主にポリシロキサンを用いたことを特徴とする請求項1~請求項10のいずれか一項に記載の高分子複合薄膜。 The polymer composite thin film according to any one of claims 1 to 10, characterized in that polysiloxane is mainly used as the polymer material. 請求項1~請求項11のいずれか一項に記載の高分子複合薄膜と、
前記高分子複合薄膜に対してガスを供給するガス供給部と、
を備えるガス分離装置。
The polymer composite thin film according to any one of claims 1 to 11,
a gas supply unit that supplies gas to the polymer composite thin film;
A gas separation device comprising:
請求項1~請求項7のいずれか一項に記載の高分子複合薄膜と、
前記高分子複合薄膜に対してガスを供給するガス供給部と、
を備え、
前記ガス供給部は、前記第2の層、前記第1の層の順にガスが透過するようにガスを供給することを特徴とするガス分離装置。
The polymer composite thin film according to any one of claims 1 to 7,
a gas supply unit that supplies gas to the polymer composite thin film;
Equipped with
The gas separation device is characterized in that the gas supply unit supplies gas so that the gas passes through the second layer and the first layer in this order.
カーボンナノチューブを含むカーボンナノチューブ水分散液を調製するとともに、高分子材料を含む高分子材料含有溶液を調製する第1工程と、
犠牲層が形成された基材上に前記犠牲層を被覆するように前記カーボンナノチューブ水分散液を塗布・乾燥させて主に前記カーボンナノチューブで構成された第1の層を形成する第2工程と、
前記第1の層を被覆するように前記高分子材料含有溶液を塗布・硬化させて第2の層を形成する第3工程と、
前記犠牲層を溶解させて、前記第1の層及び前記第2の層で構成される高分子複合薄膜を前記基材から剥離する第4工程と、
を含むことを特徴とする高分子複合薄膜の製造方法。
A first step of preparing a carbon nanotube aqueous dispersion containing carbon nanotubes and a polymer material-containing solution containing a polymer material;
a second step of coating and drying the carbon nanotube aqueous dispersion on the base material on which the sacrificial layer is formed so as to cover the sacrificial layer to form a first layer mainly composed of the carbon nanotubes; ,
a third step of coating and curing the polymeric material-containing solution so as to cover the first layer to form a second layer;
a fourth step of dissolving the sacrificial layer and peeling off the polymer composite thin film composed of the first layer and the second layer from the base material;
A method for producing a polymer composite thin film, comprising:
前記第1工程は、前記カーボンナノチューブ水分散液を濾過して濾過後分散液を生成する濾過工程を含み、前記濾過工程によって、前記カーボンナノチューブ水分散液から前記カーボンナノチューブの凝集物の少なくとも一部を除去するとともに、前記濾過後分散液に含まれる前記カーボンナノチューブのサイズを制限することを特徴とする請求項14に記載の高分子複合薄膜の製造方法。 The first step includes a filtration step of filtering the carbon nanotube aqueous dispersion to produce a filtered dispersion, and the filtration step removes at least a portion of the carbon nanotube aggregates from the carbon nanotube aqueous dispersion. 15. The method for producing a polymer composite thin film according to claim 14, wherein the size of the carbon nanotubes contained in the filtered dispersion is limited. カーボンナノチューブを含むカーボンナノチューブ水分散液を第1溶剤で希釈して水-第1溶剤分散液を調製する第1工程と、
前記水-第1溶剤分散液に高分子材料の主剤を加えて混錬した後に、前記高分子材料を硬化させる硬化剤を加え、これを混錬して混合溶液を得る第2工程と、
前記混合溶液を第2溶剤で希釈して希釈後混合溶液を得る第3工程と、
犠牲層が形成された基材上に前記犠牲層を被覆するように前記希釈後混合溶液を塗布・硬化させて高分子複合薄膜を製膜する第4工程と、
前記犠牲層を溶解させて、前記高分子複合薄膜を前記基材から剥離する第5工程と、
を有することを特徴とする高分子複合薄膜の製造方法。
A first step of preparing a water-first solvent dispersion by diluting a carbon nanotube aqueous dispersion containing carbon nanotubes with a first solvent;
A second step of adding a main ingredient of a polymeric material to the water-first solvent dispersion and kneading it, then adding a curing agent for curing the polymeric material and kneading it to obtain a mixed solution;
a third step of diluting the mixed solution with a second solvent to obtain a diluted mixed solution;
a fourth step of forming a polymer composite thin film by applying and curing the diluted mixed solution so as to cover the sacrificial layer on the base material on which the sacrificial layer is formed;
a fifth step of dissolving the sacrificial layer and peeling the polymer composite thin film from the base material;
A method for producing a polymer composite thin film, comprising:
前記第1溶剤をエタノールとし、前記第2溶剤をヘキサンとしたことを特徴とする請求項16に記載の高分子複合薄膜の製造方法。 17. The method for producing a polymer composite thin film according to claim 16, wherein the first solvent is ethanol and the second solvent is hexane.
JP2022023169A 2022-02-17 2022-02-17 Polymer composite thin film, gas separation device equipped with this polymer composite thin film, and method for manufacturing the polymer composite thin film Active JP7418758B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022023169A JP7418758B2 (en) 2022-02-17 2022-02-17 Polymer composite thin film, gas separation device equipped with this polymer composite thin film, and method for manufacturing the polymer composite thin film
PCT/JP2023/005046 WO2023157844A1 (en) 2022-02-17 2023-02-14 Polymer composite thin film, gas separation device provided with said polymer composite thin film, and method for producing polymer composite thin film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022023169A JP7418758B2 (en) 2022-02-17 2022-02-17 Polymer composite thin film, gas separation device equipped with this polymer composite thin film, and method for manufacturing the polymer composite thin film

Publications (3)

Publication Number Publication Date
JP2023120009A JP2023120009A (en) 2023-08-29
JP2023120009A5 true JP2023120009A5 (en) 2023-09-19
JP7418758B2 JP7418758B2 (en) 2024-01-22

Family

ID=87578332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022023169A Active JP7418758B2 (en) 2022-02-17 2022-02-17 Polymer composite thin film, gas separation device equipped with this polymer composite thin film, and method for manufacturing the polymer composite thin film

Country Status (2)

Country Link
JP (1) JP7418758B2 (en)
WO (1) WO2023157844A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7931838B2 (en) * 2006-08-31 2011-04-26 Virginia Tech Intellectual Properties, Inc. Method for making oriented single-walled carbon nanotube/polymer nano-composite membranes
US7993524B2 (en) 2008-06-30 2011-08-09 Nanoasis Technologies, Inc. Membranes with embedded nanotubes for selective permeability
JP6679117B2 (en) 2016-10-26 2020-04-15 国立大学法人信州大学 Nanocarbon separation membrane, nanocarbon composite separation membrane, and method for producing nanocarbon separation membrane
JP7018661B2 (en) * 2017-06-09 2022-02-14 国立研究開発法人産業技術総合研究所 Method for manufacturing carbon nanotube dispersion liquid, carbon nanotube dispersion liquid, and method for manufacturing carbon nanotube composite film
CN111225729A (en) * 2017-08-21 2020-06-02 俄亥俄州创新基金会 Membrane for gas separation
JP6999958B2 (en) 2019-12-03 2022-02-10 国立大学法人信州大学 Manufacturing method of semipermeable membrane and semipermeable membrane

Similar Documents

Publication Publication Date Title
Zhu et al. Ultrathin thin-film composite polyamide membranes constructed on hydrophilic poly (vinyl alcohol) decorated support toward enhanced nanofiltration performance
Lee et al. Highly porous carbon nanotube/polysulfone nanocomposite supports for high-flux polyamide reverse osmosis membranes
Yang et al. Preparation and characterization of high-performance electrospun forward osmosis membrane by introducing a carbon nanotube interlayer
Sonawane et al. Nanomaterials for membrane synthesis: Introduction, mechanism, and challenges for wastewater treatment
Yang et al. Vacuum-assisted assembly of ZIF-8@ GO composite membranes on ceramic tube with enhanced organic solvent nanofiltration performance
Shao et al. Self-cleaning nanofiltration membranes by coordinated regulation of carbon quantum dots and polydopamine
Vatanpour et al. Antifouling polyvinylidene fluoride ultrafiltration membrane fabricated from embedding polypyrrole coated multiwalled carbon nanotubes
Chu et al. Evaluation of humic acid and tannic acid fouling in graphene oxide-coated ultrafiltration membranes
KR101381890B1 (en) Thin film nanocomposite membranes for desalination and method for preparing the same
Park et al. Inkjet printed single walled carbon nanotube as an interlayer for high performance thin film composite nanofiltration membrane
Amini et al. Synthesis of novel thin film nanocomposite (TFN) forward osmosis membranes using functionalized multi-walled carbon nanotubes
Chu et al. Evaluation of graphene oxide-coated ultrafiltration membranes for humic acid removal at different pH and conductivity conditions
US7459121B2 (en) Method for continuous fabrication of carbon nanotube networks or membrane materials
CA2831579C (en) Asymmetric nanotube containing membranes
Yuan et al. Stable cation-controlled reduced graphene oxide membranes for improved NaCl rejection
EP3717109A1 (en) Graphene or graphene derivative membrane
Liao et al. Carbon nanotube/polyaniline nanofiber ultrafiltration membranes
EP3727660A1 (en) Membrane
CN108043241B (en) A kind of composite separating film and preparation method thereof with non-directional nanochannel
WO2011133116A1 (en) Method of preparing a nanocomposite membrane and nanocomposite membranes prepared thereof
Su et al. High separation performance thin film composite and thin film nanocomposite hollow fiber membranes via interfacial polymerization for organic solvent nanofiltration
WO2018079604A1 (en) Nanocarbon separation membrane, composite nanocarbon separation membrane, and production method for nanocarbon separation membrane
Majumder et al. 1.14 carbon nanotube membranes: A new frontier in membrane science
Vatanpour et al. Electrospraying technique in fabrication of separation membranes: A review
Li et al. Vapor‐phase polymerization of high‐performance thin‐film composite membranes for nanofiltration