CHARGE CONTROL AGENT AND TONER USING THE SAME

PROBLEM TO BE SOLVED: To provide: a charge control agent which is useful as a charging control agent for electrophotography realizing sufficient frictional charging of a toner, particularly for a color toner and further for a polymerized toner, has an increased rate of rise of charging, a high charge amount and charging properties particularly excellent in temporal stability and environmental stability, and is so safe as to comply with regulations on waste; and a negatively chargeable toner, particularly a negatively chargeable polymerized toner, for electrostatic charge image development using the charge control agent and having high charging performance.SOLUTION: A charge control agent contains one or more kinds of aminopiperidine derivatives represented by the general formula (1) as active ingredients. A toner contains the charge control agent. 【課題】トナーに十分な摩擦帯電性を発現させる電子写真用の荷電制御剤、特にカラートナー用として、さらには重合トナー用として有用であり、帯電の立ち上がり速度を高め、高い帯電量を有し、かつ経時安定性や環境安定性に特に優れた帯電特性を有し、しかも、廃棄物規制にも問題のない安全な電荷制御剤、および該電荷制御剤を使用する高い帯電性能を有する静電荷像現像用負帯電性トナー、特に負帯電性の重合トナーを提供すること。【解決手段】一般式（１）で表されるアミノピペリジン誘導体の１種または２種以上を有効成分として含有することを特徴とする電荷制御剤、および該電荷制御剤を含有することを特徴とするトナー。【化１】【選択図】なし