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    • 2. 发明公开
    • 도전성 고무 롤러 및 전사 롤러
    • 导电橡胶辊和转辊
    • KR1020080061299A
    • 2008-07-02
    • KR1020070137199
    • 2007-12-26
    • 캐논 가세이 가부시끼가이샤
    • 우라노,류따이마사까,히로시
    • G03G5/00
    • G03G15/2057
    • A conductive rubber roller, and a transfer roller using the conductive rubber roller are provided to reduce resistance variation and the voltage dependence of resistance and to inhibit the contamination of an electrophotographic receptor. A conductive rubber roller comprises a conductive core material; and a rubber layer comprising rubber composition formed on the core material, wherein the rubber composition comprises a rubber component and a filler component. The rubber component comprises an epichlorohydrin-based rubber; and the filler component comprises a carbon black having an N2 adsorption specific surface area of 20-40 m^2/g and a DBP oil absorption of 80-100 mL/100 g and a carbon black having an N2 adsorption specific surface area of 15 m^2/g or less and a DBP oil absorption of 40 mL/100 g or less.
    • 提供导电橡胶辊和使用导电橡胶辊的转印辊,以减小电阻变化和电阻的电压依赖性并抑制电子照相受体的污染。 导电橡胶辊包括导电芯材料; 以及橡胶组合物,其包含形成在所述芯材上的橡胶组合物,其中所述橡胶组合物包含橡胶组分和填料组分。 橡胶组分包括表氯醇基橡胶; 并且填料组分包括具有20-40m 2 / g的N 2吸附比表面积和80-100mL / 100g的DBP吸油量的碳黑和N 2吸附比表面积为15的炭黑 m 2 / g以下,DBP吸油量为40mL / 100g以下。