| 摘要 |
New naphthalimides, useful as additives in toners for controlling the charge and conductivity, of the formula (* CHEMICAL STRUCTURE *) (I) in which R represents C1- to C22-alkyl, R1 and R2 independently of one another in each case represent C1- to C4-alkyl, or R1 and R2, together with the nitrogen atom in between, form a pyrrolidine, piperidine or morpholine ring, n represents 2 or 3 and X(negative earth) represent one equivalent of a benzoate or naphthoate, which is optionally substituted by chlorine, bromine, methyl, methoxy, hydroxyl, cyano and/or hydroxycarbonyl, of a benzenesulphonate which is substituted by hydroxyl, amino or nitro, of a naphthalenesulphonate which is optionally substituted by hydroxyl, amino or a sulphonic acid group, or of a fluorine-substituted anion of a C4- to C18-alkanecarboxylic or -alkanesulphonic acid.
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