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1. WO2020067203 - ELECTROMAGNETIC WAVE ABSORBING SHEET AND METHOD FOR MANUFACTURING SAME

Publication Number WO/2020/067203
Publication Date 02.04.2020
International Application No. PCT/JP2019/037682
International Filing Date 25.09.2019
IPC
H05K 9/00 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
9Screening of apparatus or components against electric or magnetic fields
C01B 32/159 2017.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
15Nanosized carbon materials
158Carbon nanotubes
159single-walled
C01B 32/168 2017.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
15Nanosized carbon materials
158Carbon nanotubes
168After-treatment
C01B 32/174 2017.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
15Nanosized carbon materials
158Carbon nanotubes
168After-treatment
174Derivatisation; Solubilisation; Dispersion in solvents
CPC
C01B 32/159
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
32Carbon; Compounds thereof
15Nano-sized carbon materials
158Carbon nanotubes
159single-walled
C01B 32/168
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
32Carbon; Compounds thereof
15Nano-sized carbon materials
158Carbon nanotubes
168After-treatment
C01B 32/174
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
32Carbon; Compounds thereof
15Nano-sized carbon materials
158Carbon nanotubes
168After-treatment
174Derivatisation; Solubilisation; Dispersion in solvents
H05K 9/00
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
9Screening of apparatus or components against electric or magnetic fields
Applicants
  • 日本ゼオン株式会社 ZEON CORPORATION [JP]/[JP]
Inventors
  • 山岸 智子 YAMAGISHI Tomoko
  • 上島 貢 UEJIMA Mitsugu
Agents
  • 杉村 憲司 SUGIMURA Kenji
Priority Data
2018-18506528.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ELECTROMAGNETIC WAVE ABSORBING SHEET AND METHOD FOR MANUFACTURING SAME
(FR) FEUILLE D'ABSORPTION D'ONDES ÉLECTROMAGNÉTIQUES ET SON PROCÉDÉ DE FABRICATION
(JA) 電磁波吸収シートおよびその製造方法
Abstract
(EN)
The purpose of the present invention is to provide an electromagnetic wave absorbing sheet capable of exhibiting excellent electromagnetic wave absorbing performance in a wide band. The electromagnetic wave absorbing sheet of this invention includes a sheet-shaped fibrous base material, and carbon nanotubes located in a space on the inner side in the thickness direction of the sheet-shaped fibrous base material, wherein the fibrous base material is configured of organic fibers, the carbon nanotubes include single-walled carbon nanotubes as a main component, and the conductivity of the electromagnetic wave absorbing sheet is 0.7 S/cm to 20 S/cm (inclusive).
(FR)
L'objet de la présente invention est de fournir une feuille d'absorption d'ondes électromagnétiques capable de présenter d'excellentes performances d'absorption d'ondes électromagnétiques dans une large bande. La feuille d'absorption d'ondes électromagnétiques de la présente invention comprend un matériau de base fibreux en forme de feuille, et des nanotubes de carbone situés dans un espace sur le côté interne dans le sens de l'épaisseur du matériau de base fibreux en forme de feuille, le matériau de base fibreux étant constitué de fibres organiques, les nanotubes de carbone comprenant des nanotubes de carbone à paroi unique en tant que composant principal, et la conductivité de la feuille d'absorption d'ondes électromagnétiques étant de 0,7 S/cm à 20 S/cm (inclus).
(JA)
本発明は、広帯域で優れた電磁波吸収性能を発揮し得る電磁波吸収シートを提供することを目的とする。本発明の電磁波吸収シートは、シート状の繊維状基材と、前記シート状の繊維状基材における厚み方向内側の空間に位置するカーボンナノチューブと、を含む電磁波吸収シートであり、前記繊維状基材は有機繊維で構成され、前記カーボンナノチューブは、単層カーボンナノチューブを主成分として含有し、前記電磁波吸収シートの導電率が0.7S/cm以上20S/cm以下であることを特徴とする。
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