申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0398373A1
公开(公告)日:1990-11-22
An electrophotographic light-sensitive material comprising a support having thereon a photoconductive layer containing at least inorganic photoconductive particles and a binder resin, wherein the binder resin contains (A) at least one resin comprising a graft copolymer having a weight average molecular weight of from 1.0 x 103 to 2.0 x 104 and containing, as copolymer components, at least (i) a monofunctional macromonomer (M) having a weight average molecular weight of not more than-2 x 104 and containing at least one polymer component represented by formula (Ila) or (lib) shown below and at least one polymer component having at least one polar group selected from the group consisting of -COOH, -PO3H2, -S03H, -OH, and
wherein R1 represents a hydrocarbon group or -OR2 (wherein R2 represents hydrocarbon group), with a polymerizable double bond group represented by formula (I) shown below being bonded to one terminal of the main chain thereof, and (ii) a monomer represented by formula (III) shown below, and (B) at least one resin having a weight average molecular weight of not less than 5 x 104, containing at least a recurring unit represented by formula (IV) shown below as a polymer component, and having a crosslinked structure
wherein Xo represents -COO-, -OCO-, -CH2OCO-, -CH2COO-, -O-, -S02-, -CO-, -CONHCOO-, - CONHCONH-, -CONHS02-,
or
wherein R11 represents a hydrogen atom or a hydrocarbon group; a1 and a2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group, -COO-Z1, or -COO-Z1 bonded through a hydrocarbon group (wherein Z1 represents a substituted or unsubstituted hydrocarbon group.
wherein X1 has the same meaning as Xo; Q1 represents an aliphatic group having from 1 to 18 carbon atoms or an aromatic group having from 6 to 12 carbon atoms; b1 and b2, which may be the same or different, each has the same meaning as a1 and a2; V represents -CN, -CONH2, or
wherein Y represents a hydrogen atom, a halogen atom, a hydrocarbon group, an alkoxyl group, or -COOZ2, wherein Z2 represents an alkyl group, an aralkyl group, or an aryl group.
wherein X2 has the same meaning as Xo in formula (I); Q2 has the same meaning as Q1 in formula (Ila); and C1 and C1, which may be the same or different, have the same meaning as ai and a2 in formula (I).
wherein X3 represents -COO-, -OCO-, -CH20CO-, -CH2COO-, -0-, or -S02-; Q3 represents a hydrocarbon group having from 1 to 22 carbon atoms; and d1 and d2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group having from 1 to 8 carbon atoms, -COO-Z3, or -COO-Z3 bonded through a hydrocarbon group having from 1 to 8 carbon atoms, wherein Z3 represents a hydrocarbon group having from 1 to 18 carbon atoms.
The electrophotographic light-sensitive material has excellent electrostatic characteristics and mechanical strength.
一种电致发光感光材料,它包括在其上具有至少含有无机光电导颗粒的光电导层和粘结剂树脂的支撑体,其中粘结剂树脂含有 (A) 至少一种树脂,它包括接枝共聚物,其重量平均分子量为 1.0 x 103 至 2.0 x 104,且作为共聚物组分至少含有 (i) 单官能团大单体 (M),其重量平均分子量不超过-2 x 104,且含有至少一种由下式 (Ila)或(lib)表示的聚合物组分和至少一种具有至少一个选自-COOH、-PO3H2、-S03H、-OH 和-OH 所组成的组的极性基团的聚合物组分。
其中 R1 代表烃基或-OR2(其中 R2 代表烃基),可聚合的双键基团由下式(I)表示,并键 合到其主链的一个末端,和 (ii) 由下式(III)表示的单体,和 (B) 至少一种树脂,其重量平均分子量不小于 5 x 104,至少含有一个由下式(IV)表示的复 合单元作为聚合物组分,并具有交联结构
其中 Xo 代表-COO-、-OCO-、-CH2OCO-、-CH2COO-、-O-、-S02-、-CO-、-CONHCOO-、-CONHCONH-、-CONHS02-、
或
其中 R11 代表氢原子或烃基;a1 和 a2 可以相同或不同,各自代表氢原子、卤素原子、氰基、烃基、-COO-Z1 或通过烃基键合的-COO-Z1(其中 Z1 代表取代或未取代的烃基)。
其中 X1 的含义与 Xo 相同; Q1 代表具有 1 至 18 个碳原子的脂肪族基团或具有 6 至 12 个碳原子的芳香族基团; b1 和 b2 可以相同或不同,各自的含义与 a1 和 a2 相同; V 代表-CN、-CONH2 或 Y。
其中 Y 代表氢原子、卤素原子、烃基、烷氧基或 -COOZ2,其中 Z2 代表烷基、芳基或芳基。
其中 X2 与式(I)中的 Xo 意义相同;Q2 与式(Ila)中的 Q1 意义相同;C1 和 C1(可以相同或不同)与式(I)中的 ai 和 a2 意义相同。
其中 X3 代表-COO-、-OCO-、-CH20CO-、-CH2COO-、-0-或-S02-;Q3 代表具有 1 至 22 个碳原子的烃基;以及 d1 和 d2(可以相同或不同)各自代表氢原子、卤素原子、氰基、具有 1 至 8 个碳原子的烃基、-COO-Z3 或通过具有 1 至 8 个碳原子的烃基键合的 -COO-Z3,其中 Z3 代表具有 1 至 18 个碳原子的烃基。
这种电子照相感光材料具有优异的静电特性和机械强度。