To provide a method for producing a conductive injection-molded article having good surface resistivity even when a thermoplastic resin composition containing extra fine conductive fibers is molded in a usual extrusion molding conditions.
An injected object 4 obtained by injecting the thermoplastic resin composition containing the extra fine conductive fibers into a mold 46, after being kept warm in the mold 46, is cooled and taken out. The extra fine conductive fibers, by being kept warm, are exposed to the surface of the object 4 or contained in the inside <100 nm from the surface so that a conductive layer can be formed to obtain the conductive injection-molded article. The composition is kept warm in a temperature range from the glass transition temperature of the composition to a temperature by 30°C higher than the melting point of the composition and/or in a viscosity range of ≥5.0×10
COPYRIGHT: (C)2008,JPO&INPIT
ITO HIDEMI
