Title:
炭素繊維シートの製造方法
Document Type and Number:
Japanese Patent JP6604118
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a carbon fiber sheet containing an organic fiber as a raw material of a carbon fiber without requiring an infusibilization treatment.SOLUTION: There is provided a method for producing a carbon fiber sheet without an infusibilization treatment, which comprises the following steps (a) to (c): (a) a step of preparing a sheet containing an organic fiber as a raw material of a carbon fiber sheet, (b) a step of treating the sheet containing an organic fiber with an organic sulfonic acid, and (c) a step of treating the sheet treated with an organic sulfonic acid at a heating temperature of 500 to 2600°C in an inactive gas atmosphere.SELECTED DRAWING: None
Inventors:
Tadahei Yaguchi
Yuki Kawasanada
Eiji Kusano
Kenichi Fujino
Yuki Kawasanada
Eiji Kusano
Kenichi Fujino
Application Number:
JP2015190819A
Publication Date:
November 13, 2019
Filing Date:
September 29, 2015
Export Citation:
Assignee:
NIPPON PAPER INDUSTRIES CO.,LTD.
International Classes:
D01F9/22; D04H1/4242; D06M13/256; D21H13/18; D21H25/04
Domestic Patent References:
| JP2004111341A | ||||
| JP6060884A | ||||
| JP2004027435A | ||||
| JP61236664A | ||||
| JP1132832A |
Foreign References:
| WO2013183668A1 | ||||
| US20150167200 |
Attorney, Agent or Firm:
Atsushi Yamada
Aya Miyake
Aya Miyake