JP5126972B2 - 電磁波シールド材の製造方法 - Google Patents
電磁波シールド材の製造方法 Download PDFInfo
- Publication number
- JP5126972B2 JP5126972B2 JP2008125279A JP2008125279A JP5126972B2 JP 5126972 B2 JP5126972 B2 JP 5126972B2 JP 2008125279 A JP2008125279 A JP 2008125279A JP 2008125279 A JP2008125279 A JP 2008125279A JP 5126972 B2 JP5126972 B2 JP 5126972B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon nanotubes
- cnt
- solution
- state
- isolated
- 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.)
- Expired - Fee Related
Links
Description
Endo M, Muramatsu H, Hayashi T, Kim YA, Dresselhaus MS, "Buckypaper" from coaxial nanotubes. Nature 2005; 433:476 Kim Y. Langmuir-Blodgette films of single-walled carbon nanotubes: Layer-by-layer deposition and in-plant orientation of tubes, Jpn J Apply Phy 2003; 42: 7629-34 Ago H, Petritsch K, Shaffer MSP, Windle AH, Friend RH. Composites of Carbon nanotubes and conjugated polymers for photo fine CNT-suspension voltaic devices. Adv Mater 1999; 11: 1281-85 Zhang M, Fang S, Zakhidov AA, Lee SB, Aliev AE, Williams CD et al. Strong, Transparent, Mutifunctional Carbon Nanotube Sheets. Science 2005; 309:1215-9 Yun S, Kim J. A bending electro-active paper actuator made by mixing multi-walled carbon nanotubes and cellulose. Smart Mater Struc 2007; 16: 1471-6 Oya T, Ogino T. Production of electrically conductive paper by adding carbon nanotubes. Carbon 2008; 46: 169-71
−30グラムの3−(N,N−ジメチルミレステルアンモニオ)−プロパンスルホネート
−5.0グラムのアルギン酸ナトリウム
−12グラムのポリビニルアルコール
上記のCNT懸濁液を、ビーズミルに入れて連続的に回転させて撹拌し、微細なCNTが孤立単分散状態で分散するようにした。5.02質量%(熱重量測定器(TGA:Thermo Gravimetry Analyzer)を用いて測定)の孤立単分散状態のCNTを含むCNT懸濁液と、ビートおよびリファイン処理されたどろどろ状態のパルプとをパルプ製造器に投入して、機械的な混合処理を行なった。混合処理後の状態を観察すると、孤立単分散状態のCNTは、水溶液からセルロース繊維に移り、セルロース繊維を骨格として相互に接続されたネットワークを形成した。こうして、「CNT−パルプ」を得た。
−Baytubes(登録商標)C150P(Bayer Material Scienceから購入)
−Nanocyl(登録商標)−7000(Nanocyl)
−L−MWNTs−2040(登録商標)(Shenzhen Nano-Tech)
−MWNT−7(登録商標)(NCT)
厚み0.45mmで幅が50cmのCNT/セルロース複合紙からなる大形シートを量産ラインで製造することができた。そのシートは、物理的に強くて、しかも良好な柔軟性を有していた。
Claims (2)
- 親水性および疎水性を有する界面活性剤として3−(N,N−ジメチルミレステルアンモニオ)−プロパンスルホネート、アルギン酸ナトリウムおよびポリビニルアルコールを含む溶液を準備する工程と、
前記溶液中にカーボンナノチューブを投入し、カーボンナノチューブを孤立単分散状態で分散させる工程と、
前記カーボンナノチューブが分散している溶液と、セルロース繊維を含むパルプとを混合し、孤立単分散状態の前記カーボンナノチューブを前記セルロース繊維に絡み付けてカーボンナノチューブのネットワークを形成する工程とを備える、電磁波シールド材の製造方法。 - 親水性および疎水性を有する界面活性剤として3−(N,N−ジメチルミレステルアンモニオ)−プロパンスルホネートを含む溶液を準備する工程と、
前記溶液中にカーボンナノチューブを投入し、カーボンナノチューブを孤立単分散状態で分散させる工程と、
前記カーボンナノチューブが分散している溶液と、セルロース繊維を含むパルプとを混合し、孤立単分散状態の前記カーボンナノチューブを前記セルロース繊維に絡み付けてカーボンナノチューブのネットワークを形成する工程とを備え、
前記界面活性剤を含む溶液中に分散しているカーボンナノチューブを前記セルロース繊維の表面に移送させるために、前記溶液のpHの値を、中性状態を示す範囲から酸性状態を示す範囲に低下させ、その後アルカリ状態を示す範囲にまで上げるように調整する、
電磁波シールド材の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008125279A JP5126972B2 (ja) | 2008-05-12 | 2008-05-12 | 電磁波シールド材の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008125279A JP5126972B2 (ja) | 2008-05-12 | 2008-05-12 | 電磁波シールド材の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009277736A JP2009277736A (ja) | 2009-11-26 |
JP5126972B2 true JP5126972B2 (ja) | 2013-01-23 |
Family
ID=41442922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008125279A Expired - Fee Related JP5126972B2 (ja) | 2008-05-12 | 2008-05-12 | 電磁波シールド材の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5126972B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5317261B2 (ja) * | 2008-08-05 | 2013-10-16 | 特種東海製紙株式会社 | シート状物 |
KR20130016243A (ko) * | 2010-03-25 | 2013-02-14 | 도판 인사츠 가부시키가이샤 | 도전성 필름 및 그 제조 방법 |
JP5646879B2 (ja) * | 2010-05-18 | 2014-12-24 | 国立大学法人横浜国立大学 | カーボンナノチューブを含む物品 |
JP5970915B2 (ja) * | 2012-03-30 | 2016-08-17 | 凸版印刷株式会社 | 導電性複合体 |
JP5983426B2 (ja) | 2013-01-22 | 2016-08-31 | 株式会社村田製作所 | モジュール基板 |
KR101534298B1 (ko) * | 2014-06-17 | 2015-07-06 | (주)다산 | 전자파 차폐필름용 조성물, 이를 이용한 전자파 차폐필름의 제조방법 및 이에 의하여 제조된 전자파 차폐필름 |
CN114108370B (zh) * | 2021-11-22 | 2022-08-16 | 陕西科技大学 | 一种水凝胶基电磁屏蔽复合膜及其制备方法 |
CN116218378A (zh) * | 2023-03-14 | 2023-06-06 | 中国科学技术大学 | 一种高性能电磁屏蔽涂层材料及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005260214A (ja) * | 2004-02-12 | 2005-09-22 | Toray Ind Inc | 電磁波シールド材、立体構造体、電磁波シールド性内装材、および画像表示装置 |
JPWO2005082775A1 (ja) * | 2004-03-02 | 2007-10-25 | 独立行政法人産業技術総合研究所 | カーボンナノチューブ含有薄膜 |
JP4872112B2 (ja) * | 2004-05-13 | 2012-02-08 | 国立大学法人北海道大学 | 微小カーボン分散物 |
JP4930873B2 (ja) * | 2005-03-24 | 2012-05-16 | 国立大学法人北海道大学 | 微小カーボン分散物 |
JP2006272876A (ja) * | 2005-03-30 | 2006-10-12 | Takiron Co Ltd | 導電体 |
JP2007330848A (ja) * | 2006-06-12 | 2007-12-27 | Hokkaido Univ | ナノカーボンを含むハイブリッド材料及びこれから得られる製品 |
JP5320564B2 (ja) * | 2007-02-21 | 2013-10-23 | 国立大学法人北海道大学 | 微小カーボン単分子膜の形成方法及び表面コーティング方法並びにコーティング体 |
JP5420416B2 (ja) * | 2007-10-23 | 2014-02-19 | 特種東海製紙株式会社 | シート状物及びその製造方法 |
-
2008
- 2008-05-12 JP JP2008125279A patent/JP5126972B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009277736A (ja) | 2009-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5126972B2 (ja) | 電磁波シールド材の製造方法 | |
Fugetsu et al. | Electrical conductivity and electromagnetic interference shielding efficiency of carbon nanotube/cellulose composite paper | |
Gupta et al. | Reduced graphene oxide/zinc oxide coated wearable electrically conductive cotton textile for high microwave absorption | |
Zhang et al. | Lightweight and flexible Ni-Co alloy nanoparticle-coated electrospun polymer nanofiber hybrid membranes for high-performance electromagnetic interference shielding | |
Miao et al. | Silver nanowires intercalating Ti 3 C 2 T x MXene composite films with excellent flexibility for electromagnetic interference shielding | |
JP6475302B2 (ja) | Cntゴム組成物及びcnt成形体 | |
Singh et al. | Lightweight reduced graphene oxide-ZnO nanocomposite for enhanced dielectric loss and excellent electromagnetic interference shielding | |
JP6217395B2 (ja) | カーボンナノチューブ含有組成物の分散液および導電性成形体 | |
Zhang et al. | Homogeneous silver nanoparticles decorating 3D carbon nanotube sponges as flexible high-performance electromagnetic shielding composite materials | |
Joseph et al. | In situ polymerized polyaniline nanofiber-based functional cotton and nylon fabrics as millimeter-wave absorbers | |
Wang et al. | Layer-by-layer assembly of PDMS-coated nickel ferrite/multiwalled carbon nanotubes/cotton fabrics for robust and durable electromagnetic interference shielding | |
WO2016136428A1 (ja) | カーボンナノチューブ分散液および導電性フィルムの製造方法 | |
Fang et al. | Microwave absorption response of nickel/graphene nanocomposites prepared by electrodeposition | |
Yun et al. | Electromagnetic interference shielding effects of polyaniline-coated multi-wall carbon nanotubes/maghemite nanocomposites | |
Liu et al. | GO-CNTs hybrids reinforced epoxy composites with porous structure as microwave absorbers | |
US20110160037A1 (en) | Carbon Nanofiber-Metal Composite and Method for Preparing the Same | |
Guo et al. | Dual-loss Ti3C2Tx MXene/Ni0. 6Zn0. 4Fe2O4 heterogeneous nanocomposites for highly efficient electromagnetic wave absorption | |
KR100652065B1 (ko) | 박테리아 셀룰로오스 전도성 필름의 제조 방법 및 그에 의하여 제조된 전도성 필름 | |
Barani et al. | Comparative study of electrically conductive cotton fabric prepared through the in situ synthesis of different conductive materials | |
Younes et al. | Thin carbon nanostructure mat with high electromagnetic interference shielding performance | |
WO2014132957A1 (ja) | カーボンナノチューブ集合体およびその製造方法 | |
Sun et al. | Electromagnetic shielding effectiveness and electrical conductivity of a thin silver layer deposited onto cellulose film via electroless plating | |
Jia et al. | Magnetic Ti 3 C 2 T x/Fe 3 O 4/Aramid nanofibers composite paper with tunable electromagnetic interference shielding performance | |
Jiao et al. | Ultra-broad polypyrrole (PPy) nano-ribbons seeded by racemic surfactants aggregates and their high-performance electromagnetic radiation elimination | |
JP2009275070A (ja) | 導電性湿式摩擦材およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110428 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120720 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120731 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120913 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121016 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121026 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5126972 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151109 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |