Title:
酸化繊維シート、圧縮酸化繊維シート、それらの製造方法、及び炭素繊維シートの製造方法
Document Type and Number:
Japanese Patent JP4582905
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an oxidized fiber sheet capable of producing a carbon fiber sheet having high bulk density, moderate flexibility, and low electrical resistance in the thickness direction, a compressed oxidized fiber sheet by compression treatment of the oxidized sheet, respective methods for producing the oxidized sheet and compressed oxidized sheet, and a method for producing a carbon fiber sheet. SOLUTION: This oxidized fiber sheet is a sheet made of a polyacrylonitrile- based oxidized fiber having a density of 1.36-1.44 g/cm3, knot tenacity of 0.5-1.8 g/dtex, knot elongation of >=5%, and core proportion of 33-70%. The 2nd compressed oxidized fiber sheet is obtained by making 0.2-10.0 mass% of a resin adhere to the oxidized fiber sheet followed by making a compression treatment in the thickness direction at 150-300 deg.C under a pressure of 10-100 MPa. The carbon fiber sheet with the X-ray crystallite size of the carbon fiber being 1.3-3.5 nm is obtained by heat treatment of the compressed oxidized fiber sheet in an inert gas atmosphere.
Inventors:
Kenji Shimazaki
Shintaro Tanaka
Shintaro Tanaka
Application Number:
JP2000385811A
Publication Date:
November 17, 2010
Filing Date:
December 19, 2000
Export Citation:
Assignee:
Toho Tenax Co., Ltd.
International Classes:
D06C15/10; B82Y30/00; B82Y99/00; D01F9/22; D03D15/12; D04H1/43; D04H1/492; D06C21/00; D06M15/333
Domestic Patent References:
| JP2154047A | ||||
| JP11158737A | ||||
| JP2259119A | ||||
| JP62033824A | ||||
| JP59173313A | ||||
| JP5005223A | ||||
| JP2006626A | ||||
| JP63100062A | ||||
| JP6322616A | ||||
| JP3014665A |
Attorney, Agent or Firm:
Yasuyo Takahata