| 摘要 |
PURPOSE:To obtain the toner for electrophotography which has the excellent stability to impact, temp. and heat, forms sharp images and allows continuous use by using a specific imide metal complex as a charge control agent. CONSTITUTION:The imide compd. expressed by general formula [I] (where M denotes an alkaline metal or ammonium ion) is used as the charge control agent. The toner of this invention is used by mixing one or several kinds of a styrene resin, styrene/acryl resin, styrene/butadiene resin, epoxy resin, polyester resin, paraffin wax. etc., by taking adhesiveness, preservable property, flowability, grindability, etc., into consideration, in addition to the imide compd. expressed by the general formula (I) with the toner. The imide compd. expressed by the general formula (I) is incorporated into the toner compsn. at ratios of generally 0.1 to 10pts.wt., more preferably 0.5 to 5pts.wt. per 100pts.wt. resin. |
