Patent ID: 8993199
Filing Date: 2015-03-31
Classification: B01J,D01D,D01F,D04H,H01M,Y02E,Y10T

Abstract:
1. A flexible carbon fiber nonwoven fabric obtained by carbonizing a nonwoven fabric obtained by electrospinning a composition comprising an electrospinnable polymeric substance, an organic compound, and a transition metal, wherein the flexible carbon fiber nonwoven fabric has a ratio Id/Ig of the peak intensity Id near 1,355 cm wherein the electrospinnable polymetric substance is one or more selected from among polyacrylonitrile resins, polyester resins, polyurethane resins, polyethylene resins, polypropylene resins, polyacrylic resins, polyether resins, polyvinylidene chloride resins, polyvinyl resins, polyamide resins, polyimide resins and polyamide-imide resins, wherein the organic compound is one or more selected from among phenolic resins, epoxy resins, melamine resins, urea resins, polycarbodiimide, pitch, cellulose, cellulose derivatives and lignin, and wherein the nonwoven fabric has a bending stiffness, as measured by Method B slide method described in JIS L 1096, is from 0.0005 to 50 mN·cm.