Activated carbon coated ceramic fibers

Details Activated carbon coated ceramic fibers Activated carbon coated ceramic fibers

1996-04-30

1998-06-30

Turner, Archene

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428357, 428364, 428367, 428378, D02G 300

Patent

active

057731438

ABSTRACT:
Ceramic fibers having a coating of activated carbon thereon are disclosed. A process involving coating the ceramic fibers with a carbon source, carbonizing the fibers, and then activating the carbon makes the fibers. The preferred carbon source is asphalt in the form of an aqueous emulsion or a solution. The activated, carbon coated ceramic fibers have excellent filtering properties especially at high temperatures. They perform as well as carbon fibers and have the advantage of lower cost and fewer production difficulties. Conventional carbon fibers are expensive and difficult to produce.

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