摘要:
An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer, and a cured protection layer, wherein the cured protection layer comprises a cured material of a tri- or more functional radical polymerizable compound and a filler exposed from the surface of the cured protection layer which comprises a bump along the surface of the filler, and wherein the cured protection layer has a thickness (T) larger than a diameter (2r) of the filler therein and the following relationships (a) is satisfied: (the number of the fillers present to a depth of T/2 from a free surface of the cured protection layer/the total number of the fillers in the cured protection layer)×100≧7% (a).
摘要:
An image bearing member including an electroconductive substrate, a charge generation layer, a charge transport layer and, a cross-linked type charge transport layer, the cross-linked type charge transport layer having a structure unit deriving from a first component, a second component, and a third component, the first component containing a copolymer having a cyclic structure and/or a structure represented by a Chemical structure 1 as a repeating unit, where Ra represents a hydrogen atom or methyl group and Rb represents a straight-chained saturated aliphatic hydrocarbon group having 8 to 34 carbon atoms, the second component containing at least one of a radical polymerizable monomer and a radical polymerizable oligomer without a charge transport structure, and the third component containing one or more kinds of radical polymerizable compounds having a charge transport structure.
摘要:
An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm2 or greater, the surface layer A containing fillers made of a metal oxide and a cleaning blade having a reed-like elastic blade having a front edge portion to remove toner from the surface layer A in motion while the front edge portion is in contact with the surface layer A, the front edge portion having a laminate structure formed of a substrate of the elastic blade, a mixed layer of the substrate and an acrylic and/or methacrylic resin, the mixed layer having a thickness of 1.0 μm or greater, and a surface layer B having an acrylic and/or methacrylic resin, the surface layer B having a thickness of 0.1 μm or greater.
摘要翻译:一种图像形成装置,包括具有表面硬度为200N / mm 2或更大的表面层A的图像承载部件,所述表面层A包含由金属氧化物制成的填料和具有筘状弹性刮板的清洁刮板,所述刮板具有 前边缘部分,以在前边缘部分与表面层A接触的同时从表面层A移动调色剂,前边缘部分具有由弹性刮板的基底形成的层叠结构,基底的混合层 和丙烯酸和/或甲基丙烯酸树脂,厚度为1.0μm以上的混合层和具有丙烯酸和/或甲基丙烯酸树脂的表面层B,表面层B的厚度为0.1μm以上。
摘要:
To provide an electrophotographic photoconductor, containing: a conductive support; a photosensitive layer provided above the conductive support; and a hardened protective layer provided above the photosensitive layer, wherein the hardened protective layer contains a hardened product of a radical polymerizable compound containing an adamantane skeleton.
摘要:
To provide an electrophotographic photoconductor, containing: a conductive support; a photosensitive layer provided above the conductive support; and a hardened protective layer provided above the photosensitive layer, wherein the hardened protective layer contains a hardened product of a radical polymerizable compound containing an adamantane skeleton.
摘要:
An electrophotographic photoreceptor including a conductive substrate, a photosensitive layer located overlying the conductive substrate, and a hardened protective layer located overlying the photosensitive layer. The hardened protective layer comprises a hardened material of a hardenable composition comprising a radical-polymerizable compound (A) having a charge transport structure and a radical-polymerizable compound (B) having an adamantane skeleton.
摘要:
An image bearing member including an electroconductive substrate, a charge generation layer, a charge transport layer and, a cross-linked type charge transport layer, the cross-linked type charge transport layer having a structure unit deriving from a first component, a second component, and a third component, the first component containing a copolymer having a cyclic structure and/or a structure represented by a Chemical structure 1 as a repeating unit, where Ra represents a hydrogen atom or methyl group and Rb represents a straight-chained saturated aliphatic hydrocarbon group having 8 to 34 carbon atoms, the second component containing at least one of a radical polymerizable monomer and a radical polymerizable oligomer without a charge transport structure, and the third component containing one or more kinds of radical polymerizable compounds having a charge transport structure.
摘要:
An electrophotographic photoconductor, including: an electroconductive substrate; and at least a photoconductive layer and a surface layer in this order over the electroconductive substrate, wherein the surface layer includes a resin having no charge transport properties, and first inorganic fine particles, and wherein the first inorganic fine particles are inorganic fine particles having surfaces modified with at least one of a primary amino group and a secondary amino group, and a volume resistivity of the first inorganic fine particles is 1×108 Ω·cm or less.
摘要:
An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer, and a cured protection layer, wherein the cured protection layer comprises a cured material of a tri- or more functional radical polymerizable compound and a filler exposed from the surface of the cured protection layer which comprises a bump along the surface of the filler, and wherein the cured protection layer has a thickness (T) larger than a diameter (2r) of the filler therein and the following relationships (a) is satisfied: (the number of the fillers present to a depth of T/2 from a free surface of the cured protection layer/the total number of the fillers in the cured protection layer)×100≧7% (a).
摘要:
An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm2 or greater, the surface layer A containing fillers made of a metal oxide and a cleaning blade having a reed-like elastic blade having a front edge portion to remove toner from the surface layer A in motion while the front edge portion is in contact with the surface layer A, the front edge portion having a laminate structure formed of a substrate of the elastic blade, a mixed layer of the substrate and an acrylic and/or methacrylic resin, the mixed layer having a thickness of 1.0 μm or greater, and a surface layer B having an acrylic and/or methacrylic resin, the surface layer B having a thickness of 0.1 μm or greater.
摘要翻译:一种图像形成装置,包括具有表面硬度为200N / mm 2或更大的表面层A的图像承载部件,所述表面层A包含由金属氧化物制成的填料和具有筘状弹性刮板的清洁刮板,所述刮板具有 前边缘部分,以在前边缘部分与表面层A接触的同时从表面层A移动调色剂,前边缘部分具有由弹性刮板的基底形成的层叠结构,基底的混合层 丙烯酸和/或甲基丙烯酸树脂,厚度为1.0μm以上的混合层和具有丙烯酸和/或甲基丙烯酸树脂的表面层B,表面层B的厚度为0.1μm以上。