POROUS BODY, PRODUCTION METHOD THEREOF AND COMPOSITE MATERIAL USING THE POROUS BODY

Title:

POROUS BODY, PRODUCTION METHOD THEREOF AND COMPOSITE MATERIAL USING THE POROUS BODY

Document Type and Number:

WIPO Patent Application WO2004101664

Kind Code:

A3

Abstract:

A porous material comprising vapor grown carbon fiber in an amount of 10 to 90 mass%, fiber filaments of the carbon fiber forming a three-dimensional network and having a diameter of 1 to 1,000 nm, an aspect ratio of 5 to 15,000, a specific surface area (by BET method) of 2 to 2,000 m<2>/g, and the ratio of the intensity of the peak at 1,360 cm<-1> in a Raman scattering spectrum of the carbon fiber to that of the peak at 1,580 cm <-1 >in the spectrum(I1360/I1580) is 0.1 to 2.0, wherein the porosity of the porous material (V/V0) is 0.50 to 0.99 and a specific surface area is 5 to 1,000 m<2>/g; and a production method and use thereof. The vapor grown carbon fiber impregnated in the porous material of the present invention does not contain aggregates and a three-dimensional network is formed between the fiber filaments, wherein length of each of the fiber filaments is maintained. Therefore, the vapor grown carbon fiber enables to readily produce a composite material (porous material), in which even a small amount of addition of vapor grown carbon fiber can exhibit sufficient effect.

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Inventors:

KUROSE TAKASHI (JP)
TAKAHASHI TATSUHIRO (JP)
SOTOWA CHIAKI (JP)
MORITA TOSHIO (JP)

Application Number:

PCT/JP2004/006697

Publication Date:

May 26, 2005

Filing Date:

May 12, 2004

Export Citation:

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Assignee:

SHOWA DENKO KK (JP)
KUROSE TAKASHI (JP)
TAKAHASHI TATSUHIRO (JP)
SOTOWA CHIAKI (JP)
MORITA TOSHIO (JP)

International Classes:

B01J21/18; B01J31/06; B01J32/00; C04B38/00; C04B41/48; C04B41/51; C04B41/83; C04B41/88; C08J9/00; C08J9/26; C08J9/40; C08K7/06; C22C47/08; (IPC1-7): C08J9/00; C08J9/26; C08K7/06; C08J9/40; C04B38/00

Domestic Patent References:

WO2002049412A1	2002-06-27
WO1997043116A1	1997-11-20

Foreign References:

US20010024716A1	2001-09-27
US4772508A	1988-09-20

Other References:

PATENT ABSTRACTS OF JAPAN vol. 016, no. 020 (C - 0902) 20 January 1992 (1992-01-20)

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