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US 2009/0155710 A1Published application
Method of manufacturing toner and toner produced by the method
AssigneeRicoh Company, Ltd.
InventorsMitsuo AOKI, Satoshi OGAWA
Life of this patent
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Abstract
A method of manufacturing toner including the steps of preparing a preliminary mixture by mixing a colorant and a release agent; preparing a raw material mixture by mixing the preliminary mixture with a binder resin and other raw materials; melt-kneading the raw material mixture using an open system roll type kneader; pulverizing the melt-kneaded raw material mixture into fine particles; and classifying the fine particles to prepare a toner.
Claims8
A method of manufacturing toner, comprising the steps of:
- preparing a preliminary mixture by mixing a colorant and a release agent;
- and
- preparing a raw material mixture by mixing the preliminary mixture with a binder resin and other raw materials;
- melt-kneading the raw material mixture using an open system roll type kneader;
- pulverizing the melt-kneaded raw material mixture into fine particles;
- and
- classifying the fine particles to prepare a toner.
4 more elements
A toner comprising a binder resin, a colorant, and a release agent, manufactured by a method comprising the steps of:
- preparing a preliminary mixture by mixing the colorant and the release agent;
- and
- preparing a raw material mixture by mixing the preliminary mixture with the binder resin and other raw materials;
- melt-kneading the raw material mixture using an open system roll type kneader;
- pulverizing the melt-kneaded raw material mixture into fine particles;
- and
- classifying the fine particles to prepare the toner.
4 more elements
Dependencies are inferred from the claim text.