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US07267921B2 Process for forming toners from dry pigments 有权
用于从干颜料形成调色剂的方法

Process for forming toners from dry pigments
摘要:
A process for preparing toner compositions using a dry pigment is provided. The process comprises combining a base toner resin composition, a dry pigment, and dispersion agent in a one step process, without the need any pre-processing of the pigments such as by, for example, flushing. The process includes combining the base toner resin, dry pigment and dispersion agent in a processing apparatus such as an extruder. The process may also comprise preparing the toners via an extrusion process utilizing a screw having a configuration designated herein as a Type C screw.
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