(1) Reactions in the Gas Phase

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Presentation transcript:

(1) Reactions in the Gas Phase Hydrocarbons Polymerization... (2,3) Fullerenes Condensation (2,3) Decomposition (evaporation) Pyrolysis CVD on metallic surfaces CVD on ceramic surfaces Gas-phase pyrolysis Vapor-grown fibers (filaments) Nanotubes Carbon black (Soot) Pyrolytic carbon

(2) Reactions in the Solid Phase Thermosetting Polymers (e.g., coals, PVDC) ...Polymerization (1) (1) Decomposition... Thermal decomposition charring/ activation mostly bottle-neck pores extrusion (activation) Glassy carbon Carbon molecular sieves Carbon fibers (activated) Activated carbons (chars)

(3) Reactions in the Liquid Phase Thermoplastic Polymers (e.g., coals, PVC) ...Polymerization (1) Note: See also Carbon Vol. 40, 2263-4 (2002). (1) Decomposition... Carbonization extrusion (orientation) <2000 °C >2000 °C Cokes Graphite Carbon fibers (mesophase)