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    • 5. 发明授权
    • Radiographic intensifying screen
    • 射线增强屏
    • US4704538A
    • 1987-11-03
    • US857400
    • 1986-04-21
    • Akira Kitada
    • Akira Kitada
    • C09K11/00G21K4/00G01J1/58
    • G21K4/00
    • A radiographic intensifying screen comprising a support, phosphor layers provided thereon which comprise a binder and phosphor particles dispersed therein, and a protective film provided on said phosphor layers, in which said phosphor layers comprise: (i) the first phosphor layer provided on said support containing at least one terbium activated rare earth oxysulfide phosphor; and (ii) the second phosphor layer provided on the first phosphor layer containing at least one divalent europium activated barium fluorohalide phosphor.
    • 一种放射线增强屏幕,包括支撑体,其上设置有包含粘合剂和分散在其中的荧光体颗粒的荧光体层,以及设置在所述荧光体层上的保护膜,其中所述荧光体层包括:(i)设置在所述支撑体上的第一荧光体层 含有至少一种铽激活的稀土氧硫化物荧光体; 和(ii)设置在第一荧光体层上的含有至少一种二价铕激活的钡氟卤化物荧光体的第二荧光体层。
    • 8. 发明授权
    • Radiographic intensifying screen and process for the preparation of the
same
    • 射线照相增强屏及其制备方法
    • US4952813A
    • 1990-08-28
    • US233608
    • 1988-06-13
    • Junji MiyaharaAkira Kitada
    • Junji MiyaharaAkira Kitada
    • C09K11/77G21K4/00
    • G21K4/00C09K11/02C09K11/7771
    • A radiographic intensifying screen comprising a support and a phosphor-containing resin layer provided thereon, in which the void ratio of said phosphor-containing resin layer is reduced in comparison with an ordinarily prepared phosphor-containing resin layer having the same binder-phosphor ratio and formed by a coating procedure conducted under an atmospheric pressure.The void ratio is not more than 85% of the void ratio of the ordinarily prepared phosphor-containing resin layer for a phosphor-containing resin layer which contains a resinous binder and a phosphor in a weight ratio of 1:1 to 1:25, the ratio of 1:25 being exclusive, and the void ratio is not more than 90% for a phosphor-containing resin layer which contains a resinuous binder and a phosphor in a weight ratio of 1:25 to 1:100.
    • 一种射线照相增强屏幕,包括支撑体和设置在其上的含磷光体树脂层,其中所述含荧光体树脂层的空隙率与通常制备的具有相同粘合剂 - 荧光体比率的含磷树脂层相比减小, 通过在大气压下进行的涂布程序形成。 空隙率不超过包含树脂粘合剂和重量比为1:1至1:25的荧光体的含荧光体树脂层的通常制备的含磷光体树脂层的空隙率的85% 对于含有树脂结合剂的含荧光体的树脂层和1:25〜1:100的重量比的荧光体,1:25的比例是排他性,空隙率不大于90%。
    • 10. 发明授权
    • Photographic light-sensitive material with three surface active agents
    • 具有三种表面活性剂的摄影感光材料
    • US4367283A
    • 1983-01-04
    • US277443
    • 1981-06-25
    • Yasuhiro NakayamaMasakazu YoneyamaYasuo MukunokiAkira KitadaShinzo Kishimoto
    • Yasuhiro NakayamaMasakazu YoneyamaYasuo MukunokiAkira KitadaShinzo Kishimoto
    • C09K3/16G03C1/85G03C1/89G03C1/78G03C1/38G03C1/96
    • G03C1/895G03C1/856
    • A photographic light-sensitive material with improved antistatic properties comprising a support having thereon at least one hydrophilic colloid layer containing(i) a nonionic surface active agent having a polyoxyethylene group,(ii) an anionic surface active agent represented by the following general formula (I)R--X--SO.sub.3 M (I) wherein R represents an alkyl group, an aryl group, an alkylaryl group or an alkenyl group; X represents --O--CH.sub.2 CH.sub.2 O).sub.m C.sub.n.sbsb.1 H.sub.2n.sbsb.1 +1--, ##STR1## or --O--; M represents a hydrogen atom, an alkali metal atom, an ammonium group or an animo group; m represents 0 or an integer of 1 to 25; n.sub.1 represents an integer of 2 to 5; l represents an integer of 1 to 5; and R.sub.1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and(iii) an anionic surface active agent represented by the following general formula (II) ##STR2## wherein Rf represents an alkyl group having 5 to 20 carbon atoms in which the hydrogen atom(s) are partly or completely replaced by fluorine atom(s); A represents ##STR3## or --O--; R.sub.2 has the same meaning as defined for R.sub.1 in the general formula (I); l1 and l2 each represents 0 or 1; B represents an alkylene group, an arylene group, an aralkylene group or an ethyleneoxy group; M has the same meaning as defined in the general formula (I); n.sub.2 represents 1 or 2; and l3 represents 1 or 2.
    • 具有改进抗静电性能的摄影感光材料包括其上具有至少一个亲水胶体层的载体,所述亲水胶体层包含(i)具有聚氧乙烯基团的非离子表面活性剂,(ii)由以下通式表示的阴离子表面活性剂 I)RX-SO 3 M(I)其中R表示烷基,芳基,烷基芳基或烯基; X表示-O-CH 2 CH 2 O)mCn1H2n1 + 1-,或-O-; M表示氢原子,碱金属原子,铵基或脒基; m表示0或1〜25的整数, n1表示2〜5的整数, l表示1〜5的整数, R1表示氢原子或碳原子数1〜3的烷基,(iii)由下述通式(II)表示的阴离子表面活性剂,其中,Rf表示具有5〜 20个碳原子,其中氢原子部分或完全被氟原子取代; A表示或-O-; R2具有与通式(I)中的R 1所定义相同的含义; l1和l2各自表示0或1; B表示亚烷基,亚芳基,亚芳烷基或亚乙氧基; M具有与通式(I)中所定义相同的含义; n2表示1或2; l3表示1或2。