| 摘要 |
<p>PURPOSE: To provide an electrophotographic toner having high stability to moisture. CONSTITUTION: This electrophotographic toner contains a charge control agent contg. a mixture composed of a first component expressed by the following formula I (in the formula I, X<1> and X<2> are selected from a group consisting of H, 1 to 5C alkyl, 1 to 5C alkoxy, etc., R<a> and R<b> fro a group consisting of H, 1 to 5C alkyl, 1 to 5C alkoxy, sulfoneamide, methylsulfonyl, etc.; M from a group consisting of Cr, Co and Fe; n, n', m and m' are 1 to 3; R<+> is cation) and a second component expressed by formula II (in the formula II, R<1> and R<2> are 2 to 18C alkyl groups; R<+> is cation) and a high mol.wt. binder.</p> |
