Mixed polyvalent-monovalent metal coating for carbon-graphite fi

Details Mixed polyvalent-monovalent metal coating for carbon-graphite fi Mixed polyvalent-monovalent metal coating for carbon-graphite fi

1980-06-30

1982-11-16

Morgenstern, Norman

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

427215, 427241, 428375, 428392, 428902, 428903, B32B 1902

Patent

active

043595030

ABSTRACT:
An improved coating of gasification catalyst for carbon-graphite fibers is provided comprising a mixture of a polyvalent metal such as calcium and a monovalent metal such as lithium. The addition of lithium provides a lighter coating and a more flexible coating when applied to a coating of a carboxyl containing resin such as polyacrylic acid since it reduces the cross-link density. Furthermore, the presence of lithium provides a glass-like substance during combustion which holds the fiber together resulting in slow, even combustion with much reduced evolution of conductive fragments. The coated fibers are utilized as fiber reinforcement for composites.

REFERENCES:
patent: 4064074 (1977-12-01), Ellis
patent: 4119572 (1978-10-01), Fridman et al.
patent: 4177318 (1979-12-01), Williams
patent: 4214037 (1980-07-01), Glasso et al.

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