Carbon fiber having improved thermal oxidation resistance and pr

Details Carbon fiber having improved thermal oxidation resistance and pr Carbon fiber having improved thermal oxidation resistance and pr

1978-08-17

1980-04-08

Meros, Edward J.

Chemistry of inorganic compounds

With additive

106307, 264 292, 423275, 4234471, 4234475, D01F 912

Patent

active

041972791

ABSTRACT:
An acrylic carbon fiber with excellent thermal oxidation resistance, which contains 50 ppm or more of a phosphorus component (as phosphorus) and/or a boron component (as boron) and which contains 100 ppm or more of a zinc component (as zinc) and/or a calcium component (as calcium), and which suffers a fiber weight reduction of about 20% or less upon standing for 3 hours in air at 500.degree. C.

REFERENCES:
patent: 4002426 (1977-01-01), Chenevey et al.
patent: 4126652 (1978-11-01), Oohara et al.

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