Methods and catalysts for the manufacture of carbon fibrils

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

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502185, 502438, 502174, 4234473, B01J 3104

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active

061436895

ABSTRACT:
An improved catalyst for producing carbon fibrils is made by incorporating an effective yield-enhancing amount of a carboxylate into a fibril-forming catalyst. Alternatively, such a catalyst is made by coprecipitating a compound of a metal having fibril-forming catalytic properties and an aluminum and/or magnesium compound, optionally in the presence of carbon particles or carbon fibril aggregates. The catalyst may also be made by incorporating a compound of a fibril-forming metal onto magnesia particles in carbon particles or carbon fibril aggregates. The catalysts, methods of using them to form carbon fibrils and those carbon fibrils are also disclosed.

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patent: 5137863 (1992-08-01), Matsuura et al.
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patent: 5451556 (1995-09-01), Giovando
Catalyst Lectures, vol. 5, Catalyst Design, pp. 39-47, 1985, compiled by Catalyst Society of Japan and published by Kodansha (no month).

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