Surface-treatment of carbon fiber

Details Surface-treatment of carbon fiber Surface-treatment of carbon fiber

D - Textiles, Paper

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D01F 9/12 (2006.01) C08K 7/06 (2006.01) C25D 11/00 (2006.01) C25F 1/00 (2006.01) D01F 11/12 (2006.01) D01F 11/16 (2006.01)

Patent

CA 1166186

T10-25186C/KS/81 ABSTRACT OF THE DISCLOSURE method for producing carbon fibers exhibiting excellent adhesive properties to resins and having high strength and heat-oxidation resistance, comprising electri- cally treating high strength carbon fiber in an aqueous solution of a sulfuric acid salt under conditions such that the current density is from about 0.05 to 0.5 A/m2 and the product of current density, voltage, and processing time is from about 0.02 to 8 A-V-min/m2, while continuously moving the carbon fiber as an anode in the aqueous solution.

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