Process for making coatings on graphite using intercalated speci

Coating processes – With pretreatment of the base

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4273722, 428408, 428702, B05D 300

Patent

active

H00006416

ABSTRACT:
Carbon-graphite fibers are coated with a protective metal oxide coating by intercalating the fibers with a metal chloride and then deintercalating the chlorine by hydrolysis to form a metal oxide over the fibers. An example using aluminum chloride to form an aluminum oxide coating is described.

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patent: 4267210 (1981-05-01), Yajima et al.
patent: 4267211 (1981-05-01), Yajima et al.
patent: 4440571 (1984-04-01), Iskikawa et al.
patent: 4605588 (1986-08-01), Simpson et al.
patent: 4642271 (1987-02-01), Rice
"Deintercalation Reactions to Form Ceramic Coatings on Graphite Fibers" B. W. McQuillan and G. H. Reynolds, Abstract, Boston, Mass., Dec. 1986.
"Growth of Alumina Fibers from Intercalated Graphite Precursor Fibers" B. W. McQuillan and G. H. Reynolds, Abstract, San Diego, Calif., Jan. 1987.
"Synthesis of Refractory Ceramic Fibers from Intercalated Graphite Fiber Precursors," B. W. McQuillan and G. H. Reynolds, Abstract, Anaheim, Calif., Apr. 87.
"Preparation of Ceramic Fibers by Conversion Intercalated Graphite Fibers" B. W. McQuillan and G. H. Reynolds, Abstract, Pittsburgh, Pa., Apr. 1987.

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