ELECTROSTATIC IMAGE DEVELOPING TONER
An electrostatic image developing toner includes a binder resin; and resin particles, the binder resin including an amorphous resin and a crystalline resin, the resin particles including a styrene-(meth)acrylate copolymer, wherein, when a glass transition temperature calculated using a Fox equation...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | An electrostatic image developing toner includes a binder resin; and resin particles, the binder resin including an amorphous resin and a crystalline resin, the resin particles including a styrene-(meth)acrylate copolymer, wherein, when a glass transition temperature calculated using a Fox equation on the basis of proportions of monomers constituting the entire resin particles is defined as Tg(C1)°C and a glass transition temperature measured using a differential scanning calorimeter is defined as Tg(E)°C, 5.0 ≤ Tg(E) - Tg(C1) ≤ 20.0, and when a glass transition temperature calculated using a Fox equation on the basis of monomer proportions determined by surface analysis of the resin particles is defined as Tg(C2)°C, Tg(C1) < Tg(C2). |
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