Method for the manufacture of vitreous carbon bodies

US4698189A · kind A · utility

Assignee

• Sigri GmbH · DE

Inventor

• Ernst Tetzlaff · Heidenheim, DE

Key dates

• Filing date: Jan 17, 1986
• Grant date: Oct 6, 1987
• Expiry date: Jan 17, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B35/524
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Manufacture of vitreous carbon bodies in which thermoplastic materials containing aromatic groups are formed into bodies, are thermally stabilized by irradiation with ionizing radiation and are carbonized by heating them in an inert atmosphere.