CARBON FIBER FOR COMPOSITE MATERIALS

Title:

CARBON FIBER FOR COMPOSITE MATERIALS

Document Type and Number:

WIPO Patent Application WO/1987/003919

Kind Code:

A1

Abstract:

Carbon fibers having a content of oxygen-containing functional groups (O1s/C1s) on the fiber surface, as determined by X-ray photoelectron spectroscopy, ranging from 0.05 to 0.30, a coefficient of water-extractable of up to 2.0 and a coefficient of tow expsansion of at least 1x10-3 can be obtained by oxidative treatment under specific conditions. The carbon fibers have high bondability with various matrix resins. When used as a resin reinforcing agent in a mixture with the matrix resin, the carbon fibers provide a composite material having particularly high impact resistance. The resulting composite material can be used effectively for airplanes, automobiles and other industrial materials in general.

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Inventors:

TADA HISASHI (JP)
SARUTA MASAHIRO (JP)
MURATA TAKASHI (JP)
AGATA AKIRA (JP)
KASHIYAMA SETSUO (JP)

Application Number:

PCT/JP1986/000640

Publication Date:

July 02, 1987

Filing Date:

December 18, 1986

Export Citation:

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Assignee:

MITSUBISHI RAYON CO (JP)

International Classes:

C08K7/06; D01F11/12; D06M10/00; D06M15/55; (IPC1-7): D06M15/55; D06M10/00

Foreign References:

JPS61252371A	1986-11-10
JPS61225373A	1986-10-07
JPH06175879A	1994-06-24

Other References: