Electrophotographic photoconductor
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United States of America Patent
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N/A
Issued Date -
Dec 20, 2001
app pub date -
Mar 15, 2001
filing date -
Mar 15, 2000
priority date (Note) -
Abandoned
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Abstract
An electrophotographic photoconductor a substrate and a photosensitive layer on the substrate. The photosensitive layer contains charge generation substance, charge transport substance and a binder resin. The binder resin has a dispersion d.sub.1=Mz/Mw of at least 1.6, or a polydispersity d.sub.2=Mw/Mn of at least 2.0, each of d.sub.1 and d.sub.2 being an indicator of a range of molecular weight distribution converted to polystyrene standard, wherein Mz, Mw and Mn are a z-average molecular weight, a weight-average molecular weight, and a number-average molecular weight of the binder resin, respectively. The resulting electrophotographic photoconductor minimizes film abrasion and filming, allowing the photoconductor to possess stable characteristics in repeated use over long periods.
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