Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1973-03-21
1976-11-02
Meros, Edward J.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
106307, C01B 3107
Patent
active
039898024
ABSTRACT:
Carbon fibers are surface oxidized by contacting the fiber with an aqueous solution comprising 5 - 20 weight percent sodium dichromate and 15 - 45 percent sulfuric acid for from one to sixty minutes at about the boiling point of the mixture. These fibers are useful in making resin-based composites by improving the adhesion between the fibers and the resin.
REFERENCES:
patent: 3532466 (1970-10-01), Johnson et al.
patent: 3642513 (1972-02-01), Sach et al.
"Integrated Research on Carbon Composite Materials" Summary Tech. Report AFML-TR-66-310, Part III, Jan. 1969, pp. 54, 55, & 56.
Harris et al. "Journal of Materials Science," 4 (1969) pp. 432-438.
Miyamichi et al. "Chemical Abstracts", vol. 64, 1966, 12862.
Joo Louis A.
Prescott Roger
Sharpe Gordon E.
Snodgrass Frank E.
Cassady Donald R.
Great Lakes Carbon Corporation
Meros Edward J.
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