摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive substrate, an undercoat layer formed on the electroconductive substrate, and a photoconductive layer comprising a charge generation layer and a charge transport layer formed on the undercoat layer, wherein the undercoat layer comprises a binder resin and a modified indium oxide having exothermic peaks in the range of 200.degree. to 600.degree. C. detected by the differential thermal analysis, which modified indium oxide is prepared by pretreatment with a hydroxyl-group-containing compound, an amino-group-containing compound, or an ether-group-containing compound.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer comprising (i) a charge generation layer and (ii) a charge transport layer formed on the support, in which the charge generation layer comprises a charge generating material and one component selected from the group consisting of an aliphatic alcohol and a crown ether, or the charge transport layer comprises a charge transporting material and one component selected from the group consisting of an aliphatic alcohol, a polyalkylene glycol, a polyalkylene glycol ester, a polyalkylene glycol ether, and a crown ether.
摘要:
An electrophotographic image formation method using an electrophotographic photoconductor composed of an electroconductive support, and a photoconductive layer including a charge generation layer and a charge transport layer which are successively overlaid on the support, having the steps of charging the surface of the electrophotographic photoconductor uniformly to a predetermined polarity, exposing the charged surface of the photoconductor to light images to form electrostatic latent images thereon, developing the electrostatic latent images to visible toner images by a developer, transferring the toner images to an image-receiving medium, and cleaning the surface of the photoconductor, with the concentration of ozone in the ambient atmosphere around the photoconductor being controlled in the range from 5 to 50 ppm, and the abrasion of the photoconductive layer being controlled to 300 .ANG. or less per 1000 revolutions of the photoconductor.
摘要:
An electrophotographic photoconductor comprising an electroconductive support, an intermediate layer formed thereon, an a photoconductive layer formed on said intermediate layer, which intermediate layer comprises at least one component selected from the group consisting of: (a) monohydric aliphatic alcohol, (b) dihydric aliphatic alcohol, (c) polyethylene glycol, (d) polypropylene glycol, (e) polybutylene glycol, (f) polyethylene glycol monoester and/or polyethylene glycol diester, (g) polyethylene monoether, (h) crown ether, (i) a random or block copolymer having as structure units a hydroxyethylene group and a hydroxypropylene group, and hydroxyl groups at the terminal thereof, and (j) a polymer of a monomer having formula (I) and a copolymer of said monomer and a counterpart monomer: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup.2 represents hydrogen, a lower alkyl group or an unsubstituted or substituted aryl group; and n is an integer of 2 to 100.
摘要翻译:一种电子照相感光体,包括导电载体,形成在其上的中间层,形成在所述中间层上的光电导层,该中间层包含至少一种选自以下的组分:(a)一元脂族醇,(b)二羟基 脂肪醇,(c)聚乙二醇,(d)聚丙二醇,(e)聚丁二醇,(f)聚乙二醇单酯和/或聚乙二醇二酯,(g)聚乙烯单醚,(h)冠醚,(i) 具有羟基亚乙基和羟基亚丙基的结构单元和末端的羟基的无规或嵌段共聚物,和(j)具有式(I)的单体和所述单体与对应单体的共聚物的聚合物: 图像(I)其中R1表示氢或甲基; R 2表示氢,低级烷基或未取代或取代的芳基; n为2〜100的整数。
摘要:
A layered type electrophotographic photoconductor includes an electroconductive support; and a photoconductive layer formed thereon, which photoconductive layer contains a charge generation layer and a charge transport layer, which are overlaid, with the charge generation layer containing a polyalkylene glycol and/or a derivative thereof and/or a crown ether, and the charge transport layer containing an antioxidant. Alternatively, an undercoat layer may be interposed between the electroconductive support and the photoconductive layer, with the undercoat layer containing a polyalkylene glycol and/or a derivative thereof and/or a crown ether, and the charge transport layer containing an antioxidant.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support, a photoconductive layer formed on the electroconductive support, and an overcoat layer formed on the photoconductive layer, in which the overcoat layer comprises a binder resin and one component selected from the group consisting of a crown ether, a polyalkylene glycol, a polyalkylene glycol ester and a polyalkylene glycol ether. The overcoat layer may be composed of an intermediate layer formed on the photoconductive layer, and a protective layer formed on the intermediate layer in such a manner that any of the crown ether and polyalkylene glycol derivatives is contained in the intermediate layer.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support, an undercoat layer formed on the electroconductive support, comprising at least one metal oxide selected from the group consisting of zirconium oxide, magnesium oxide, calcium oxide, beryllium oxide and lanthanum oxide, and a photoconductive layer comprising a charge generating layer and a charge transporting layer, formed on the undercoat layer.
摘要:
An electrophotographic photoconductor is composed of a substrate and a photoconductive layer formed thereon. The photoconductive layer is composed of a polymer including an acrylic acid ester moiety of formula (I) as repeat unit: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup.2, R.sup.3, and R.sup.4 each represent an alkyl group having 1 to 4 carbon atoms, a benzyl group, a phenyl group, a phenoxyl group, chlorine or bromine; n is an integer of 1 to 4; m is 0 or 1; and k is 0 or 1.The polymer and the monomer from which the polymer is prepared are synthesized.
摘要翻译:电子照相感光体由基板和形成在其上的光电导层构成。 光导电层由包含式(I)的丙烯酸酯部分的聚合物作为重复单元组成:其中R1表示氢或甲基; R 2,R 3和R 4各自表示具有1〜4个碳原子的烷基,苄基,苯基,苯氧基,氯或溴; n为1〜4的整数, m为0或1; 并且k为0或1.合成聚合物和制备聚合物的单体。
摘要:
A layered electrophotographic photoconductor whose charge generation layer comprises a bisazo pigment selected from the group consisting of the bisazo pigments represented by the following general formula (I) and whose charge transport layer contains a charge transport material selected from the group consisting of the hydrazone compounds represented by the following general formula (2): ##STR1## wherein A represents --C.sub.6 H.sub.4 --Cl(o), --C.sub.6 H.sub.4 --Cl(m), --C.sub.6 H.sub.4 --Br(o), --C.sub.6 H.sub.4 --Br(m), --C.sub.6 H.sub.4 --F(o), --C.sub.6 H.sub.4 --F(m), --C.sub.6 H.sub.4 --F(p), or --C.sub.6 H.sub.4 --I(m), ##STR2## wherein R.sup.1 represents a substituted or non-substituted naphthyl group, a substituted or non-substituted anthryl group, a substituted or non-substituted styryl group, or ##STR3## wherein B represents hydrogen, an alkyl group with one to three carbon atoms, an alkoxy group with one to three carbon atoms, a dialkylamino group, halogen, a nitro group, or a hydroxy group, and n represents an integer of 1 to 5, and when n is 2 or more, B can be different or identical to each other; R.sup.2 represents an alkyl group, a benzyl group; and R.sup.3 represents a phenyl group or a methoxyphenyl group.
摘要翻译:一种层状电子照相感光体,其电荷产生层包含选自由以下通式(I)表示的双偶氮颜料组成的组的双偶氮颜料,其电荷输送层含有选自由以下的腙化合物组成的组中的电荷输送材料: (2)表示:其中A表示-C 6 H 4 -C(o),-C 6 H 4 -Cl(m),-C 6 H 4 -Br(o),-C 6 H 4 -Br(m) -C6H4-F(o),-C6H4-F(m),-C6H4-F(p)或-C6H4-I(m),其中R1表示取代或未取代的萘基, 或未取代的苯基,取代或未取代的苯乙烯基,或者其中B表示氢,具有1-3个碳原子的烷基,具有1-3个碳原子的烷氧基,二烷基氨基,卤素 ,硝基或羟基,n表示1〜5的整数,当n为2以上时,B可以不同或相同 对彼此; R2表示烷基,苄基, R 3表示苯基或甲氧基苯基。
摘要:
An electrophotographic photoconductor which comprises an electroconductive support; an undercoat layer formed thereon comprising (i) a reaction product between an active-hydrogen-containing compound having a plurality of active hydrogens and an isocyanate-group-containing compound, which reaction product serves as a binder resin, and (ii) finely-divided particles of indium oxide dispersed in the reaction product; and a photo-sensitive layer formed on the undercoat layer. The indium oxide may be partly replaced by metal oxide, metal fluoride, metal nitride, metal carbide or metal boride in an amount of not more than 50 wt. %.