D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
18/6, 204/91
D01D 5/00 (2006.01) D01F 9/08 (2006.01) D01F 9/127 (2006.01)
Patent
CA 1313732
ABSTRACT OF THE DISCLOSURE A method of preparing carbon filaments is disclosed, which comprises exposing a suitable thermostable substrate which is covered with reduced monocrystalline metal particles with a diameter of at least 5 nanometers to a carbon containing gas mixture at temperatures of about 250° up to about 700°C to 800°C for a period of time sufficient to form filaments of the desired length, and thereafter removing the substrate and/or the metal particles. The filaments are characterized by a crystalline graphitic structure and a morphology defined by a fishbone-like arrangement of the graphite layers along the axis of the filaments. A high carbide content is a prerequisite for the nucleation of the filamentous carbon with a fishbone like structure. 33,660-F
506534
Geus John Wilhelm
Linowski John W.
Smart & Biggar
The Dow Chemical Company
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