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Photosensitive materials comprising organic photoconductive substances in a binder polymer having aromatic rings, OH groups and bromine joined at the aromatic ring or rings
Photosensitive materials comprising organic photoconductive substances in a binder polymer having aromatic rings, OH groups and bromine joined at the aromatic ring or rings
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机译:在具有芳环,OH基和在一个或多个芳环上连接的溴的粘合剂聚合物中包含有机光电导物质的光敏材料
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摘要
This invention relates to photosensitive materials which comprise, on a conductive support, a layer structure having at least one layer. The at least one film is made of a cured film of a dispersion of a photoconductor in a binder polymer which has recurring units of the following general formula wherein at least one of X₁ and X₂ is a bromine atom provided that at least one benzene ring in the units is partly or fully substituted with the bromine atom and n is an integer. The photoconductor may be X-type metal-free phthalocyanine or τ -type metal-free phthalocyanine dispersed partially in a molecular state and partially in a particulate state. Alternatively, combinations of carrier generation and carrier transport agents may be used. The layer structure is either a single-layer structure or a double-layer structure.
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