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    • 4. 发明授权
    • Toner
    • 爽肤水
    • US09176410B2
    • 2015-11-03
    • US14361276
    • 2012-11-28
    • CANON KABUSHIKI KAISHA
    • Atsushi TaniToshifumi MoriTakaaki KayaTetsuya KinumatsuKenji AokiShuntaro WatanabeYoshihiro NakagawaTakashige Kasuya
    • G03G9/087G03G9/093
    • G03G9/09321G03G9/09328G03G9/09357G03G9/09371G03G9/09392
    • A toner having good low-temperature fixability, charge stability, environmental stability, and durability and capable of stably producing high-quality images for a long time is provided. The toner includes a toner particle having a core-shell structure constituted of a core and a shell phase. The core contains a binder resin, a colorant, and wax, and the shell phase contains a resin A. The resin A is a comb polymer including a main chain portion (X), a side chain portion (Y), and a side chain portion (Z). The main chain portion (X) is a vinyl polymer, the side chain portion (Y) has an aliphatic polyester structure and has an ester group concentration of a polyester segment of 6.5 mmol/g or less, and the side chain portion (Z) has an organic polysiloxane structure and has an average number of Si—O bond repeating units of a siloxane segment of 2 or more and 100 or less.
    • 提供了具有良好的低温定影性,电荷稳定性,环境稳定性和耐久性并且能够长时间稳定地生产高品质图像的调色剂。 调色剂包括具有由芯和壳相构成的核 - 壳结构的调色剂颗粒。 芯包含粘合剂树脂,着色剂和蜡,壳相含有树脂A.树脂A是包括主链部分(X),侧链部分(Y)和侧链的梳状聚合物 部分(Z)。 主链部(X)是乙烯基聚合物,侧链部(Y)具有脂肪族聚酯结构,聚酯链段的酯基浓度为6.5mmol / g以下,侧链部(Z) 具有有机聚硅氧烷结构,并且硅氧烷链段的Si-O键重复单元的平均数为2以上且100以下。
    • 7. 发明授权
    • Toner
    • 爽肤水
    • US08741519B2
    • 2014-06-03
    • US13741359
    • 2013-01-14
    • Canon Kabushiki Kaisha
    • Shuntaro WatanabeKenji AokiTetsuya KinumatsuTakaaki KayaAtsushi TaniAyako OkamotoToshifumi MoriYoshihiro NakagawaTakashige Kasuya
    • G03G9/00
    • G03G9/09328G03G9/08788G03G9/08797G03G9/09307G03G9/09321G03G9/0935G03G9/09392
    • Provided is a toner having an excellent low-temperature fixability and hot offset resistance, a broad fixing temperature latitude in low-temperature areas to high-temperature areas, and a high heat-resistant storage stability. The toner includes toner particles having a core-shell structure in which a shell phase containing a resin A is formed on a core containing a binder resin, a colorant and a wax. In measurement of resin A by a differential scanning calorimetry (DSC), the peak temperature TpA (° C.) of a maximum endothermic peak in the first temperature rise is at least 55° C. but not more than 80° C. In measurement of a viscoelasticity of resin A, the loss elastic modulus at TpA−10 (° C.) is at least 1×107 Pa but not more than 1×108 Pa. In measurement of the viscoelasticity of resin A, the loss elastic moduli at TpA (° C.), TpA+10 (° C.) and TpA+25 (° C.) satisfy specific conditions.
    • 提供一种具有优异的低温定影性和耐热粘合性,在低温区域对高温区域的宽的定影温度纬度以及高耐热储存稳定性的调色剂。 调色剂包括具有核 - 壳结构的调色剂颗粒,其中在包含粘合剂树脂,着色剂和蜡的芯上形成含有树脂A的壳相。 在通过差示扫描量热法(DSC)测量树脂A时,第一温度升高中最大吸热峰的峰值温度TpA(℃)为至少55℃但不超过80℃。在测量 树脂A的粘弹性,TpA-10(℃)下的损耗弹性模量为1×10 7 Pa以上1×10 8 Pa以下,在树脂A的粘弹性的测定中, TpA(℃),TpA + 10(℃)和TpA + 25(℃)满足特定条件。