Method to produce conductive transfer roller, transfer roller, and image forming apparatus having the same

摘要

A method to produce a conductive transfer roller, and the transfer roller. The method to produce the conductive transfer roller includes adding and mixing a conductive substance, an ionic conductive agent, a vulcanizing agent, and a blowing agent and at least one of elastic materials selected from a group consisting of EPMD (ethylene propylene) rubber, NBR (acrylonitrile butadiene) rubber, ECO (epichlorohydrin ethylene oxide) rubber, and CR (chloroprene rubber), extruding the compound, blowing the extruded material by passing it through a continuous mobile foaming device, pressing the foam onto a shaft and applying a secondary curing, and grinding the foam to a desired thickness.