| (19) |
 |
|
(11) |
EP 0 304 010 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
28.02.1990 Bulletin 1990/09 |
| (43) |
Date of publication A2: |
|
22.02.1989 Bulletin 1989/08 |
| (22) |
Date of filing: 16.08.1988 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
21.08.1987 JP 206476/87
09.03.1988 JP 53802/88
|
| (71) |
Applicant: MITSUI MINING COMPANY, LIMITED |
|
Chuo-ku
Tokyo 103 (JP) |
|
| (72) |
Inventors: |
|
- Sakata, Koji
Kitakyushu-shi
Fukuoka-ken (JP)
- Sakawaki, Kouji
Kitakyushu-shi
Fukuoka-ken (JP)
|
| (74) |
Representative: Schüler, Horst, Dr. |
|
Patentanwalt,
Kaiserstrasse 69
D-60329 Frankfurt
D-60329 Frankfurt (DE) |
|
| |
|
| (54) |
Process for producing carbon materials |
(57) Disclosed is a process for producing carbon materials which comprises the steps of
preparing a raw material composition by mixing a methylene type linkage-containing
condensation product of an aromatic sulfonic acid or a salt thereof with a solvent,
the condensation product having been formed by means of a linkage of the formula
-(CH₂)
n-T
x-(CHR)
m- (1)
where T is a benzene or naphthalene ring, R is a hydrogen atom, an alkyl group of
1 to 4 carbon atoms, or a benzene ring, and each of n, m and x is 0 or 1, but n and
m should not be zero at the same time; spinning or molding the raw material composition;
and carbonizing the spun fiber or molded article. Preferably, the aforesaid linkage
is -CH₂-.