TONER FOR COLOR ELECTROPHOTOGRAPHY

摘要

PURPOSE:To obtain a toner having high durability and giving continuously many clear images by adding specfied polyamine as a charge controller to a toner contg. a thermoplastic resin. CONSTITUTION:To 100pts.wt. thermoplastic resin such as styrene resin or polyacrylate resin is added 1-10pts.wt. polyamine having a structural unit represented by the formula, and a coloring agent is added to the mixture to obtain a toner. A clear color image is stably obtd. at all times using the toner.