US 7,585,603 B2
Curable resin composition, electrophotographic photoreceptor, process cartridge, and image-forming apparatus
Wataru Yamada, Kanagawa (Japan); Katsumi Nukada, Kanagawa (Japan); Masahiro Iwasaki, Kanagawa (Japan); and Kenji Yao, Kanagawa (Japan)
Assigned to Fuji Xerox Co., Ltd., Tokyo (Japan)
Filed on Jun. 01, 2006, as Appl. No. 11/444,483.
Claims priority of application No. 2005-185378 (JP), filed on Jun. 24, 2005; and application No. 2005-373310 (JP), filed on Dec. 26, 2005.
Prior Publication US 2007/0003850 A1, Jan. 04, 2007
Int. Cl. G03G 5/07 (2006.01); G03G 15/00 (2006.01); C08L 71/08 (2006.01)
U.S. Cl. 430—58.7  [430/58.75; 430/58.8; 430/59.6; 430/66; 525/390; 525/396; 399/159] 15 Claims
OG exemplary drawing
 
1. A curable resin composition comprising:
a resol type phenolic resin;
a charge transportable material having a reactive functional group; and
at least one of an organic sulfonic acid and its derivative;
wherein the charge transportable material having a reactive functional group comprises one or more of a compound represented by formula (II), (III), (IV) or (XX):
F[—(X2)n2—(R2)n3-(Z2)n4G]n5  (II)
wherein F represents an organic group derived from a compound having a positive hole-transporting property; X2 represents an oxygen atom or a sulfur atom; R2 represents an alkylene group; Z2 represents an oxygen atom, a sulfur atom, NH, or COO; G represents an epoxy group; n2 and n3 each represent 0 or 1; n4 represents 1; and n5 represents an integer of from 1 to 4;

OG Complex Work Unit Drawing
wherein F represents an organic group derived from a compound having a positive hole-transporting property; T represents a divalent group; Y represents an oxygen atom or a sulfur atom; R3, R4 and R5 each represents a hydrogen atom or a monovalent organic group; R6 represents a monovalent organic group; m2 represents 1; and n6 represents an integer of from 1 to 4; provided that R5 and R6 may be bonded to each other to form a heterocyclic ring with Y as a hetero atom;

OG Complex Work Unit Drawing
wherein F represents an organic group derived from a compound having a positive hole-transporting property; T represents a divalent group; R7 represents a monovalent organic group; m3 represents 0 or 1; and n7 represents an integer of from 1 to 4;

OG Complex Work Unit Drawing
wherein X11, X12 and X13 each represents a halogen atom, an alkyl group having from 1 to 10 carbon atoms, an alkoxyl group having from 1 to 10 carbon atoms, a substituted or unsubstituted aryl group, an aralkyl group having from 7 to 10 carbon atoms, a substituted or unsubstituted styrvl group, a substituted or unsubstituted butadiene group, or a substituted or unsubstituted hydrazone group; R21, R22 and R23 each represents one selected from the group consisting of a methyl group, ethyl group, n-propyl group, i-propyl group, i-butyl group, hydroxylethyl group, methoxyethyl group, ethoxymethyl group, methoxy group, ethoxy group, and propoxy group; L1, L2 and L3 each represents an alkylene group; p1, p2 and p3 each represents an integer from 0 to 2; and q1, q2 and q3 each represents 0 or 1, and satisfies q1+q2+q3≧1.