Method of making activated carbon and graphite structures

Details Method of making activated carbon and graphite structures Method of making activated carbon and graphite structures

1990-12-24

1993-06-01

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

In specific atmosphere

264 297, 264 44, 264 82, 264 85, 26417712, 26417718, 26417719, 2642112, B29C 6720, C01B 3102, C01B 3104

Patent

active

052156907

ABSTRACT:
A method of forming an activated carbon or graphite structure is provided by (1) forming, such as extrusion, of a plasticized mixture of: binder selected from cellulose ether and derivative thereof, starch, and mixture thereof; furfuryl alcohol and/or polyfurfuryl alcohol; and carbon, graphite, or a carbon-containing material; and (2) subjecting the formed mixture to a carbon-forming pyrolysis step. The use of furfuryl alcohol allows extrusion at ambient temperatures and provides a "reactive" solvent that provides carbon upon pyrolysis.

REFERENCES:
patent: 3089195 (1963-05-01), Woodburn, Jr.
patent: 3201330 (1965-08-01), Price
patent: 3632385 (1972-01-01), Schmitt et al.
patent: 3790654 (1974-02-01), Bagley
patent: 3825460 (1974-07-01), Yoshikawa et al.
patent: 3859421 (1975-01-01), Hucke
patent: 3927186 (1975-12-01), Vinton et al.
patent: 4399052 (1983-08-01), Sugino

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