Patent ID: 8550969
Filing Date: 2013-10-08
Classification: C08G,C09D,G03G,Y10T

Abstract:
1. A charging member comprising a conductive support, an elastic layer, and a surface layer; wherein: the surface layer comprises a binder and a compound represented by the following formula (1): where, in the formula (1), G1 to G10 each independently represent a hydrogen atom, an alkyl group having 1 to 3 carbon atom(s), a phenyl group or a group represented by the following formula (2), provided that one or two or more selected from G1 to G10 is/are the group(s) represented by the following formula (2); and a, b and c each represent an integer of 1 or more with the proviso that the group represented by the following formula (2) exists in the molecule of the compound: where, in the formula (2), h and k are each 0 or 1, and m is 0 or 1; E and Z each independently represent an alkylene group having 2 to 6 carbon atoms, a phenylene group which may be substituted with a methyl group or ethyl group, or a group represented by the following formula (3) or the following formula (4); R1, R2, R4 and R5 each independently represent an alkyl group having 1 to 3 carbon atom(s) or a phenyl group; R3 represents an alkoxyl group having 1 to 3 carbon atom(s) or a trimethylsiloxy group; X represents a hydrogen atom, an alkyl group having 1 to 15 carbon atom(s), a phenyl group which may be substituted with a methyl group or ethyl group, an allyl group, a vinyl group or a group represented by the following formula (6) or the formula (2): where, in the formula (3), r and s each represent an integer of 0 to 3, and either of r and s is 1 or more: where, in the formula (4), p is 0 or 1, R6 and R8 each represent an alkylene group having 1 to 4 carbon atom(s), and R7 represents an oxygen atom or a group represented by the following formula (5): where, in the formula (6), q is an integer of 1 to 4, and R9 represents a hydrogen atom or a methyl group.