Invention Grant
US08029967B2 Method for producing toner 有权
调色剂的制造方法

Method for producing toner
Abstract:
Provided is a method for producing a toner including the steps of: preparing a resin liquid by mixing at least a binder resin made of polyester resin and a colorant with an ester organic solvent represented by the following general formula (1); dispersing the resin liquid in an aqueous medium to form an emulsion; and removing the ester organic solvent from the emulsion to produce a toner, in which the ester organic solvent before the preparation of the resin liquid contains water in an amount of not less than 1% by weight and up to the saturation solubility at 25° C. to the ester organic solvent: (in which R1 is a hydrogen atom or a methyl group, and R2 is an alkyl group having 1 to 4 carbon atoms).
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