An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a structural unit of formula (2) and a structural unit with charge transporting properties, each of the structural units being contained in an amount of 5 wt. % or more of the total weight of the polycarbonate resin. There is disclosed an aromatic polycarbonate resin having a structural unit of formula (1) and the structural unit of formula (2), with the relationship between the composition ratios being 0
一种电子照相光电导体具有一个导电支架,以及在其上形成的光电导体层,该光电导体层含有作为有效成分的芳香族聚碳酸酯树脂,该芳香族聚碳酸酯树脂具有式(2)的结构单元和具有电荷传输特性的结构单元,每个结构单元的含量占聚碳酸酯树脂总重量的5重量%或更多。本发明公开了一种具有式(1)结构单元和式(2)结构单元的芳香族聚碳酸酯树脂,当结构单元(1)的组成比为 k,结构单元(2)的组成比为 j 时,组成比之间的关系为 0
Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor
申请人:——
公开号:US20020147278A1
公开(公告)日:2002-10-10
An electrophotographic photoconductor having an electroconductive support, and a photoconductive layer formed thereon and containing an aromatic polycarbonate resin having a structural unit of formula (3) shown in the specification. The polycarbonate resin is produced from a diphenol compound of the formula (1) shown in the specification.
一种电子照相光电导体,具有导电支架和在其上形成的光电导体层,并含有芳香族聚碳酸酯树脂,其结构单元如说明书所示的式 (3)。该聚碳酸酯树脂由说明书所示式(1)的二酚化合物制得。
Aromatic block polycarbonate resin, diphenol compound for preparation of the polycarbonate resin, electro-photographic photoconductor, electro-photographic image forming apparatus and process, and process cartridge
申请人:RICOH COMPANY, LTD.
公开号:US20040002574A1
公开(公告)日:2004-01-01
An aromatic block polycarbonate resin is prepared by polymerizing a diphenol compound of formula (2) or (4), a diol compound of formula (1) or (5), and a halogenated carbonyl compound. The diphenol compound of formula (4) is produced by polymerizing the diphenol compound of formula (2) and a halogenated carbonyl compound by solution or interfacial polymerization. An electrophotographic photoconductor has an electroconductive support and a photoconductive layer formed thereon containing the above-mentioned aromatic block polycarbonate resin. An electrophotographic image forming method or apparatus employs the above-mentioned photoconductor. A process cartridge holds therein the photoconductor and at least one of the electrophotographic image forming units.
US4415724A
申请人:——
公开号:US4415724A
公开(公告)日:1983-11-15
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