| 摘要 |
A process for making an electrophotographic photosensitive member is provided by forming a photosensitive layer on an electroconductive support. The photosensitive layer is provided with particularly excellent durability while retaining good electrophotographic performances when formed as a layer comprising a polymerizate of a hole-transporting compound having at least two chain polymerization function groups in its molecule represented by formula (1) below: <?in-line-formulae description="In-line Formulae" end="lead"?>(P1<img id="PRIVATE-USE-CHARACTER-00001" he="7.20mm" wi="8.47mm" file="US07563553-20090721-Parenclosest.TIF" alt="private use character Parenclosest" img-content="character" img-format="tif" />aA<img id="PRIVATE-USE-CHARACTER-00002" he="7.20mm" wi="8.47mm" file="US07563553-20090721-Parenopenst.TIF" alt="private use character Parenopenst" img-content="character" img-format="tif" />z<img id="PRIVATE-USE-CHARACTER-00003" he="7.20mm" wi="8.47mm" file="US07563553-20090721-Parenopenst.TIF" alt="private use character Parenopenst" img-content="character" img-format="tif" />P2)d)b (1),<?in-line-formulae description="In-line Formulae" end="tail"?> wherein A denotes a hole-transporting group, P1 and P2 independently denote a chain polymerization function group and Z denotes a bonding organic group; a, b and d are independently an integer of at least 0 satisfying a+bxd>=2 provided that if a>=2, plural groups P1 can be identical or different; if b>=2, plural groups Z can be identical or different; and if bxd>=2, plural groups P2 can be identical or different.
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