Process for carbon production

Details Process for carbon production Process for carbon production

1997-12-08

2000-04-04

Griffin, Steven P.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423445R, D01F 9127

Patent

active

060457694

ABSTRACT:
A method for the production of elemental carbon fibers and carbon particles uses highly uniform catalyst particles, preferably made by laser pyrolysis. Preferred catalyst particles include elemental iron, iron carbides or iron sulfides, generally with an average particle diameter from about 1000 nm to about 5 nm. Also, preferred catalyst particles have a narrow distribution in particle diameters as well as a cut off in particle size that the diameter distribution does not have a tail toward large diameters.

REFERENCES:
patent: 4572813 (1986-02-01), Arkawa
patent: 4749557 (1988-06-01), Yetter et al.
patent: 4816289 (1989-03-01), Komatsu et al.
patent: 4876078 (1989-10-01), Arakawa et al.
patent: 5064467 (1991-11-01), Domb et al.
patent: 5102647 (1992-04-01), Yamada et al.
patent: 5165909 (1992-11-01), Tennent et al.
patent: 5171560 (1992-12-01), Tennent
patent: 5413773 (1995-05-01), Tibbetts et al.
patent: 5500200 (1996-03-01), Mandeville et al.
patent: 5578543 (1996-11-01), Tennent et al.
patent: 5589152 (1996-12-01), Tennent et al.
"Length of Carbon Fibers Grown From Iron Catalyst Particles in Natural Gas" by, G. G. Tibbetts, Journal of Crystal Growth, vol. 73, 1985, pp. 431-438.
"Nanoscale Carbon Blacks Produced by CO.sub.2 Laser Pyrolysis" by, Bi et al., J. Mater, Res., vol. 10, No. 11, Nov. 1995, pp. 2875-2884.
"Synthesis of Nanocrystalline Fe-based Particles by CO.sub.2 Laser Pyrolysis" by Bi et al., Mat. Res. Soc., Symp., Proc., vol. 286, 1993, pp. 161-167.
"Carbon Coating on Iron Carbide Particles Produced by Laser Pyrolysis", 20th Biennial Conference on Carbon, abstract, by Bi et al., 1991.
J.M. Ting, M. Saqib, and D.J. Burton, "Tem Observation of VGCF Produced by a continuous Process," Extended Abstract, 23rd Biennial Conference on Carbon, Jul. 18-23, 1997, pp. 430-431.
D.L. Ciminelli, Capt., USAF, "Sintered Carbon Vapor Grown Carbon Fiber Composites," Extended Abstract, 23rd Biennial Conference on Carbon, Jul. 18-23 1997, pp. 468-469.
J.M. Ting, R. L. Alig, and K. Lafdi, "Materials Based On Pyrograf-III.TM. Carbon Fiber," Extended Abstract, 23rd Bienneal Conference on Carbon, Jul. 18-23, 1997, pp. 470-471.
A. Oberlin et al., Carbon International Journal, vol. 14 no month (1976), pp. 133-135.
G.G. Tibbetts, Applied Physics Letters, vol. 42 (8) no month (1983) pp. 665-668.
"Nanocrystalline .alpha.-Fe, Fe.sub.3 C, and Fe.sub.7 C.sub.3 Produced by CO.sub.2 Laser Pyrolysis", by Bi et al., J.Mater. Res., vol. 8, No. 7, Jul. 1993, pp. 1666-1674.

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