Process for producing carbon fiber

Details Process for producing carbon fiber Process for producing carbon fiber

1988-09-30

1990-07-31

Doll, John

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234471, 4234472, 4234474, 264 292, D01F 912

Patent

active

049449320

ABSTRACT:
A process for producing an acrylic carbon fiber comprising the steps of applying an oiling agent comprising as its indispensable component a neopentyl alcohol derivative represented by the following general formula (I) to acrylic fiber, heating the lubricated acrylic fiber in an oxidizing atmosphere to convert the same into oxidized fiber, and heating the oxidized fiber in an inert atmosphere at a higher temperature to carbonize the same: ##STR1## The process can eliminate the defects of acrylic fiber precursor and provide a carbon fiber having excellent mechanical strength characteristics.

REFERENCES:
patent: 4080417 (1978-03-01), Kishimoto et al.
patent: 4259307 (1981-03-01), Maruyama
patent: 4349523 (1982-09-01), Hiramatsu et al.
patent: 4496631 (1985-01-01), Adachi et al.

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