| 摘要 |
<p>To provide an electrophotographic photoreceptor excellent in electric characteristics and various characteristics, capable of forming a uniform photosensitive layer and excellent in repetitive characteristics, an image forming apparatus using it and an electrophotgraphic cartridge.</p><p><Paragraphs id="pa02" num="0002" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">A lamination type electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, <Bold>characterized in that</Bold> the photosensitive layer contains a compound represented by the following formula (1), the ratio of the weight of the compound represented by the formula (1) to the weight content of all binder resins contained in the photosensitive layer is from 0.15 to 0.6, and the weight of the compound represented by the formula (1) is maximum among all charge transport materials:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="29" wi="130" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" /></Chemistry>
wherein each of Ar<Sup>1</Sup>, Ar<Sup>2</Sup> and Ar<Sup>3</Sup> is an aryl group which may have a substituent, each of Ar<Sup>4</Sup> and Ar<Sup>5</Sup> which are independent of each other, is an arylene group which may have a substituent, and each of n<Sup>1</Sup> and n<Sup>2</Sup> which are independent of each other, is an integer of from 1 to 3.</p> |
