# US 2014/0194018 A1 · Carbon fiber composite material

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- Number: US 2014/0194018 A1
- Document ID: US20140194018A1
- Status: Published application
- Kind: A1
- Application number: 14/237,955
- Filed: 2012-08-17
- Published: 2014-07-10
- Earliest claimed: 2011-08-19
- Assignees: Sekisui Chemical Co., Ltd.
- Inventors: Masanori Nakamura
- Web page: https://patentgrep.com/patent/US20140194018A1

## CPC

- C08J 5/042: {with carbon fibres}
- C08J 5/06: using pretreated fibrous materials
- D06M 10/04: Physical treatment combined with treatment with chemical compounds or elements (graft polymerisation using wave energy or particle radiation D06M14/18 {; treatment with radioactive elements D06M10/008})
- D06M 11/74: with carbon or graphite; with carbides; with graphitic acids or their salts
- D06M 13/355: having six-membered heterocyclic rings
- D06M 15/227: of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M 15/37: Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08J 2323/12: Polypropene
- D06M 2101/40: Fibres of carbon
- Y10T 442/2098: At least two coatings or impregnations of different chemical composition
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- D06M: TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present invention relates to a carbon fiber composite material containing carbon fibers coated with amorphous carbon, and a matrix resin. According to the present invention, a high-strength carbon fiber composite material can be provided.

## Claims

### Claim 1

A carbon fiber composite material comprising carbon fibers coated with amorphous carbon, and a matrix resin.

### Claim 2 (depends on 1)

The carbon fiber composite material according to claim 1, in which the matrix resin is polypropylene.

### Claim 3 (depends on 1)

The carbon fiber composite material according to claim 1, in which the amorphous carbon is derived from a phenol resin.

### Claim 4 (depends on 3)

The carbon fiber composite material according to claim 3, in which the amorphous carbon is derived from an oxazine resin.

### Claim 5 (depends on 4)

The carbon fiber composite material according to claim 4, in which the amorphous carbon is derived from a naphthoxazine resin.

### Claim 6 (depends on 2)

The carbon fiber composite material according to claim 2, in which the amorphous carbon is derived from a phenol resin.

### Claim 7 (depends on 6)

The carbon fiber composite material according to claim 6, in which the amorphous carbon is derived from an oxazine resin.

### Claim 8 (depends on 7)

The carbon fiber composite material according to claim 7, in which the amorphous carbon is derived from a naphthoxazine resin.