Toner and production method of the same
AssigneeKonica Corporation
InventorsKenji Hayashi, Mikio Koyama, Masafumi Uchida, Hiroshi Yamazaki, Tsuyoshi Uchida
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Abstract
A toner for electrophotography is disclosed. The resin binder is obtained by fusing fine resin particles comprising a crystalline material and amorphous polymer in a water-based medium. The crystalline material preferably has a melting point of 60 to 130° C., a number average molecular weight of 1,500 to 15,000, and a melt viscosity at the melting point +20° C. of not more than 100 Pa·s, and the amorphous polymer is preferably composed of a radically polymerizable monomer.
Claims20
A toner comprising a resin binder and a colorant wherein the resin binder is obtained by fusing fine resin particles comprising a crystalline material and amorphous polymer in a water-based medium.
A method of preparation of toner by fusing fine resin particles comprising a crystalline material and amorphous polymer in a water-based medium.
Dependencies are inferred from the claim text.