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    • 1. 发明专利
    • ELECTROPHOTOGRAPHIC RECORDING MATERIAL
    • JPS60250359A
    • 1985-12-11
    • JP10801084
    • 1984-05-28
    • FUJI PHOTO FILM CO LTD
    • YUYAMA YASUAKINAKANO JIYUNJIKONDOU SHIYUNICHISATOU HIDEOSAWADA KENICHI
    • G03G5/10G03G5/14
    • PURPOSE:To obtain a recording material having improved sliding characteristic and superior running durability by providing a layer contg. a metal salt of a long chain alkyl compd. to the rear surface of a substrate of an electrophotographic recording material provided with a photoconductive layer on its front surface. CONSTITUTION:A coating material is prepd. by mixing a metal salt of a long chain alkyl compd. expressed by the general formula (wherein M is a metal having 1-3 valency, pref. Ca, Ba, Pb; R is 12-21C alkyl; n is 1, 2 or 3), with synthetic polymer such as polyvinyl chloride resin, polyester resin, or natural polymer such as acetyl cellulose, as binder, contg.if necessary an antistatic agent, colorant, film characteristic improver, etc. The coating material is coated on an opposite side to a photoconductive layer formed on a substrate comprising polyester film, etc. to form a back coated layer. By this method, a long sized electrophotographic recording material having superior running durability and superior drivability causing no stripping off of picture image formed on the photoconductive layer and generating no scratch, etc. is provided.
    • 3. 发明专利
    • PHOTOCONDUCTIVE COMPOSITION AND ELECTROPHOTOGRAPHIC RECEPTOR USING IT
    • JPS58107545A
    • 1983-06-27
    • JP20608781
    • 1981-12-22
    • FUJI PHOTO FILM CO LTD
    • HORIE SEIJINAKANO JIYUNJISATOU HIDEO
    • G03G5/06
    • PURPOSE:To obtain an electrophotographic receptor high in sensitivity, small in residual potential, and stable against ozone, heat, and light, by adding oxime compds. selected from 3 specified groups as a charge transfer substance to a photoconductive layer. CONSTITUTION:A superior photoreceptor having long life is obtained by adding oxime compds as a charge transfer substance to a single layer together with a charge generating substance or to a charge transfer layer to form a photoconductive layer together with a charge generating layer. Said oxime compds. are represented by formulaeI, II, and III in which R is alkoxy, aralkyloxy, or disubstd. amino represented by -N(R , R ); R , R are alkyl or phenyl respectively optionally substd., or they may combine with esch other to form an N- contg. hetero ring; R , R are H or halogen or the like; R is H, alkyl, aralkyl, or the like; R is H, alkyl, aralkyl, or the like; A is optionally substd. condensed carbon ring having 10-20C, or a single or composite hetero ring represented by formulae IV, V, and VI; Y, Z are S, O, or -R , R is 1-4C alkyl; R , R are H, alkyl, or the like; R is H, alkyl, NO2, or the like; and B is optionally substd. arylene.
    • 4. 发明专利
    • ELECTROPHOTOGRAPHIC RECEPTOR
    • JPS57212454A
    • 1982-12-27
    • JP9799681
    • 1981-06-24
    • FUJI PHOTO FILM CO LTD
    • HORIE SEIJINAKANO JIYUNJISATOU HIDEO
    • G03G5/06
    • PURPOSE:To obtain a titled photoreceptor having high sensitivity, good durability and good electrophotographic characteristics, by using a compound having a barbituric acid nucleus or thiobarbituric acid nucleaus expressed by a specific general formula as an electric charge generating material. CONSTITUTION:As an electric charge generating material 3 for an electrophotographic photosensitive layer 2 contg. a charge generating material 3 and a charge carrying material 4, a compound having a barbituric acid nucleus or a thiobarbituric acid nucleus expressed by a general formula (I) is used, wherein n is 0, 1, or 2, X is S, R , R are hydrogen, alkyl group, aralkyl group or aryl group, R , R are hydrogen, alkyl group, aralkyl group or phenyl group, and the later three may have substituted groups. A denotes a bivalent group led from a heterocycle such as imidazole, 3H-indole, thiazole, quinoline and pyridine, Either a single layer contg. the above-mentioned generating material 3 and the carrying material or a two layers lamination consisting of a charge generating layer 5 and a charge carrying layer 4 is usable for the above-mentioned photosensitive layer 2.
    • 5. 发明专利
    • ELECTROPHOTOGRAPHIC RECEPTOR
    • JPS57204550A
    • 1982-12-15
    • JP9043781
    • 1981-06-12
    • FUJI PHOTO FILM CO LTD
    • HORIE SEIJINAGATA MASATAKANAKANO JIYUNJISATOU HIDEO
    • G03G5/06
    • PURPOSE:To make a photoreceptor having an electrophotographic photosensitive layer containing an electric charge generating material and an electric charge carrying material show enough the electrophotographic characteristics of high sensitivity, a simple and easy manufacturing method and excellent durability, by using a specific compound as an electric charge generating material. CONSTITUTION:In an electrophotographic receptor having an electrophotographic photosensitive layer (either a single layer or another layer may be used.) contg. an electric charge generating material and a charge carrying material, a compound expressed in a general formula[I]or[II]is used as the electric charge generating material. In the formulas, A denotes an univalent group derived from a substd. phenyl group and monocyclic or condensed five membered heterocyclic or condensed six membered heterocyclic compound, and A denotes a bivalent group derived from heterocyclic nucleus. The right end is a bivalent group derived from carbocycle or heterocycle having oxo oxygen atoms of a carbonyl group bonded to a ring and preferably benzofuran-3-one nucleus, 1,3-indandione nucleus etc.
    • 9. 发明专利
    • ELECTROPHOTOGRAPHIC RECEPTOR
    • JPS5811947A
    • 1983-01-22
    • JP11042381
    • 1981-07-15
    • FUJI PHOTO FILM CO LTD
    • HORIE SEIJINAGATA MASATAKANAKANO JIYUNJISATOU HIDEO
    • G03G5/06
    • PURPOSE:To obtain an electrophotographic receptor of high sensitivity and durability, uniform dispersion and good transparency by providing a photosensitive layer contg. merocyanine dyes from specific two groups as an electric charge generating material together with an electric charge transport layer. CONSTITUTION:The dyes expressed by the formulasI, II (m is 0 or 1, n is 0, 1 or 2, R -R are H, alkyl, aralkyl, aryl, or groups wherein one H is removed from heterocyclic rings, A is (substd.) phenyl, groups wherein one H in removed from single rings or condensed heterocyclic 5-membered rings or condensed heterocyclic 6-membered rings, the respective rings may have substituents, A is bivalent groups wherein two H or heterocyclic rings are removed, such as imidazole, thiazole, pyridine or the like,B' is the group of formula III, IV or V, R , R are alkyl, aryl, X is O or S, B is CN, COOOH, NO2, etc.) are contained as an electric charge generating material 3 in an electric charge transfer layer 4 contg. an electric charge transport material on conductive backing 1, whereby a photosensitive layer 2 is formed. It is equally well to form the photosensitive layer 2 laminated with the electric charge transfer layer 4 and the electric charge generating layer 5.
    • 10. 发明专利
    • Electrophotographic receptor
    • 电子摄影受体
    • JPS57119355A
    • 1982-07-24
    • JP473481
    • 1981-01-16
    • Fuji Photo Film Co Ltd
    • HORIE SEIJINAGATA MASATAKANAKANO JIYUNJISATOU HIDEO
    • C07D239/62C07D239/66C07D403/06C07D405/06C07D409/06C07D417/06G03G5/06
    • G03G5/067G03G5/0638G03G5/0661
    • PURPOSE: To obtain a photoreceptor having high sensitivity, excellent stability against light, heat and air oxidation, and good endurance by including specific barbituric acid or thiobarbituric acid derivatives as a generating material for an electric charge in an electrophotographic photosensitive layer.
      CONSTITUTION: The compounds indicated by formulasI, II are included in a photosensitive layer 2 as an electric charge generating materials 3 or included in an electric charge generating layer 5 and then these layers are laminated with an electric charge transferring layer 4 on the support 1. In the formulasI, II; (X is an O or an S, R' is alkoxyl, aralkyl or disubstituted amino radical; substituted radical is alkyl or phenyl; two substituted radicals may be linked to form a heterocyclic compd. contg. an N; R
      2 , R
      3 are an H, halogen, alkyl, lower alkoxyl; R
      5 , R
      6 are alkyl, aralkyl, (substituted) phenyl; Ar is monocyclic or composite five-membered and six-membered ring and Y is indicated by formulas IIIW V; Z is an S, an O, an N-R
      12 , R
      12 is C
      1W4 alkyl; R
      9 , R
      10 are an H, alkyl and alcoxyl, R
      9 and R
      10 may, be linked to form benzene or naphthalene ring; R
      11 is an H, alkyl, alcoxyl and halogen.)
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过将特定的巴比妥酸或硫代巴比妥酸衍生物作为电子照相感光层中的电荷产生材料,获得具有高灵敏度,光,热和空气氧化的优异稳定性和良好的耐久性的感光体。 构成:由式I,II表示的化合物作为电荷产生材料3包含在感光层2中或包含在电荷产生层5中,然后这些层与载体1上的电荷转移层4层压。 在公式I,II; (X是O或S,R'是烷氧基,芳烷基或二取代的氨基;取代的基团是烷基或苯基;两个取代的基团可以连接形成杂环化合物,N,R 2,R R 3是H,卤素,烷基,低级烷氧基; R 5,R 6是烷基,芳烷基,(取代的)苯基; Ar是单环或复合五元和六元环,Y表示 通式III-V; Z是S,O,NR 12,R 12是C 1-4烷基; R 9,R 10是H,烷基和烷氧基,R 9 和R 10可以连接形成苯或萘环; R 11是H,烷基,烷氧基和卤素。)