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    • 5. 发明授权
    • Electrophotographic photoreceptor, process cartridge and image forming apparatus
    • 电子照相感光体,处理盒和成像设备
    • US08273510B2
    • 2012-09-25
    • US12877671
    • 2010-09-08
    • Katsumi NukadaWataru YamadaTsuyoshi MiyamotoKenya SonobeTakatsugu Doi
    • Katsumi NukadaWataru YamadaTsuyoshi MiyamotoKenya SonobeTakatsugu Doi
    • G03G5/00
    • G03G5/14756G03G5/0546G03G5/0564G03G5/0614G03G5/075G03G5/076G03G5/14734
    • The present invention provides an electrophotographic photoreceptor including a photosensitive layer on a conductive substrate, an outermost layer of the electrophotographic photoreceptor including a cured film of a composition which includes at least one charge transporting compound (a) having a charge transporting skeleton and at least two structural units represented by R—O—CO—CR′═CH—R″ in the same molecule, and at least one polycarbonate resin; a ratio (IA/IC) of an absorption peak intensity (IA) resulting from stretching vibration of a carbonyl group originating from the structural unit represented by R—O—CO—CR′═CH—R″ of the charge transporting compound (a) to an absorption peak intensity (IC) resulting from stretching vibration of a carbonyl group originating from the polycarbonate resin in an IR absorption spectrum of the outermost layer being from about 0.5 to about 10, and a width at half maximum of the absorption peak of the absorption peak intensity (IA) being about 25 cm−1 or more.
    • 本发明提供了一种电子照相感光体,其包括在导电性基材上的感光层,电子照相感光体的最外层,具有包含至少一种具有电荷输送性骨架的电荷输送性化合物(a)和至少两种 在同一分子中由R-O-CO-CR' = CH-R表示的结构单元和至少一种聚碳酸酯树脂; 由电荷输送性化合物的R-O-CO-CR' = CH-R“表示的结构单元的羰基的伸缩振动引起的吸收峰强度(IA)的比(IA / IC) )与最外层的红外吸收光谱中来自聚碳酸酯树脂的羰基的伸缩振动产生的吸收峰强度(IC)为约0.5〜约10,吸收峰的峰值宽度为 吸收峰强度(IA)为约25cm -1以上。