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US 2015/0261109 A1Published application
Electrophotographic toner using bioplastic and method of producing the same
AssigneeCasio Computer Co., Ltd.
InventorsKenji KIHIRA, Hideki IKEDA, Yuichiro IEGAKI, Yuta KAN
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Abstract
An electrophotographic toner having good grindability, and excellent fixability and durability, and a method of producing the same are provided. The electrophotographic toner includes an amorphous bioplastic having a weight average molecular weight (Mw) of 30,000 to 100,000, and at least one of a phenol resin and a terpene phenol resin as a grinding aid.
Claims20
An electrophotographic toner comprising:
- an amorphous bioplastic having a weight average molecular weight (Mw) of 30,000 to 100,000;
- and
- at least one of a phenol resin and a terpene phenol resin as a grinding aid.
A method of producing an electrophotographic toner, comprising:
- melt-kneading a mixture comprising an amorphous bioplastic having a weight average molecular weight (Mw) of 30,000 to 100,000 and at least one of a phenol resin and a terpene phenol resin as a grinding aid to obtain a kneaded product;
- and
- grinding the kneaded product after hardened.
Dependencies are inferred from the claim text.