Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
Patent
1991-01-07
1993-07-27
Lesmes, George F.
Stock material or miscellaneous articles
Self-sustaining carbon mass or layer with impregnant or...
428367, 428902, 4234472, B32B 900, B32B 1700, D02G 300
Patent
active
052309606
ABSTRACT:
An activated and heat-treated product of a pitch fiber (A) is combined with an activated and heat-treated product of a precursor fiber of carbon fiber (B) having a larger elongation and a larger shrinkage during activation treatment thereof than those of the pitch fiber (A) to provide an activated carbon fiber structure. The activated carbon fiber structure is produced by subjecting the pitch fiber (A) and the precursor fiber of carbon fiber (B) to an activation treatment before or after the fibers (A) and (B) are formed into a configuration corresponding to a fiber structure through mixing or laminating.
REFERENCES:
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patent: 3639953 (1972-02-01), Kimura et al.
patent: 3903220 (1975-09-01), Economy et al.
patent: 4014725 (1977-03-01), Schulz
patent: 4929505 (1990-05-01), Washburn et al.
Hercules Product Data Sheet No. 852.
Booth et al., Calculation of Fiber Volume Fraction & Matrix Density of 2-D Carbon/Carbon Composites.
Gun Ei Chemical Industry Co., Ltd.
Lesmes George F.
Shelborne Kathryne E.
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