Carbon fibrils and method for producing same

Details Carbon fibrils and method for producing same Carbon fibrils and method for producing same

D - Textiles, Paper

01

F

D01F 9/127 (2006.01) C01B 31/04 (2006.01)

Patent

CA 2347332

Carbon fibril characterised by having surface area of 150~500 m2/g, diameter of 5~50 nm and aspect ratio of 100~1000, are produced by contacting a suitable gaseous carbon-containing compound with a suitable metal-containing particle at a temperature between 550 °C and 800 °C, the ratio on a dry weight basis of carbon containing compound to metal-containing particles being about from about 10:1 to about 30:1 by weight, the reaction pressure is between atmosphere and atmosphere + 10 mm H2O. The carbon fibril can be used as filler in composites.

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