Radiographic intensifying screen
    2.
    发明授权
    Radiographic intensifying screen 失效
    射线增强屏

    公开(公告)号:US4943727A

    公开(公告)日:1990-07-24

    申请号:US146694

    申请日:1988-01-21

    IPC分类号: G21K4/00

    CPC分类号: G21K4/00

    摘要: An improvement of a radiographic intensifying screen comprising a support, a phosphor layer which comprises a binder and a phosphor dispersed therein and a protective film, superposed in order, comprises a metal film on one or both surfaces of said protective film.

    摘要翻译: 包括载体,包含粘合剂的荧光体层和分散在其中的荧光体和保护膜的放射线增强屏的改进包括在所述保护膜的一个或两个表面上的金属膜。

    Radiation image storage panel and process for the preparation of the same
    3.
    发明授权
    Radiation image storage panel and process for the preparation of the same 失效
    辐射图像存储面板及其制备过程相同

    公开(公告)号:US4728583A

    公开(公告)日:1988-03-01

    申请号:US771122

    申请日:1985-08-30

    IPC分类号: G21K4/00 B32B5/16

    CPC分类号: G21K4/00

    摘要: A radiation image storage panel comprising a support and a phosphor layer provided thereon which comprises a binder and a stimulable phosphor dispersed therein, characterized in that said phosphor layer consists essentially of one part on the support side which contains the stimulable phosphor and the other part on the panel surface side which does not substantially contain the stimulable phosphor. Processes for the preparation of said radiation image storage panel are also disclosed.

    摘要翻译: 一种包括支撑体和在其上设置有荧光体层的辐射图像存储面板,其包括粘合剂和分散在其中的可刺激磷光体,其特征在于,所述荧光体层基本上由支撑侧上的一部分组成,所述荧光体层包含可刺激的荧光体, 基本上不含可刺激的荧光体的面板表面侧。 还公开了用于制备所述辐射图像存储面板的方法。

    Radiation image storage panel with dispersing agent
    5.
    发明授权
    Radiation image storage panel with dispersing agent 失效
    具有分散剂的辐射图像存储面板

    公开(公告)号:US4604525A

    公开(公告)日:1986-08-05

    申请号:US751122

    申请日:1985-07-02

    摘要: In a radiation image storage panel comprising a support and a phosphor layer which comprises a binder and a stimulable phosphor dispersed therein and is colored with a colorant, the improvement which comprises said colorant is a pigment capable of absorbing a portion of stimulating rays for the stimulable phosphor and said phosphor layer contains a dispersing agent of at least one fatty acid ester selected from the group consisting of sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters and polyoxyethylene fatty acid esters.

    摘要翻译: 在包括支撑体和荧光体层的辐射图像存储面板中,该荧光体层包含分散在其中的粘合剂和可刺激的荧光体,并用着色剂着色,包括所述着色剂的改进是能够吸收刺激光线的一部分的刺激性颜料 荧光体和所述荧光体层含有选自脱水山梨醇脂肪酸酯,聚氧乙烯山梨糖醇酐脂肪酸酯和聚氧乙烯脂肪酸酯中的至少一种脂肪酸酯的分散剂。

    Radiation image converting material
    7.
    发明授权
    Radiation image converting material 失效
    辐射图像转换材料

    公开(公告)号:US4789785A

    公开(公告)日:1988-12-06

    申请号:US940416

    申请日:1986-12-11

    IPC分类号: G21K4/00 G01J1/58

    CPC分类号: G21K4/00

    摘要: A radiation image converting material comprising a support, a light-reflecting layer which comprises a binder and a light-reflecting material dispersed therein, and a phosphor layer which comprises a binder and a phosphor dispersed therein, superposed in this order, which is characterized in that said light-reflecting layer contains polymer particles of hollow structure as the light-reflecting material. A radiographic intensifying screen containing a phosphor which gives spontaneous emission and a radiation image storage panel containing a stimulable phosphor which gives stimulated emission are disclosed.

    摘要翻译: 一种辐射图像转换材料,包括支撑体,包含粘合剂的光反射层和分散在其中的光反射材料,以及荧光体层,其包含粘合剂和分散在其中的磷光体,其顺序叠加,其特征在于 所述光反射层包含中空结构的聚合物颗粒作为光反射材料。 公开了一种放射线增强屏幕,其包含产生自发发射的荧光体和含有可刺激的磷光体的辐射图像存储面板,该荧光体产生受激发射。

    Modified polyvinyl alcohol
    8.
    发明授权
    Modified polyvinyl alcohol 失效
    改性聚乙烯醇

    公开(公告)号:US5783628A

    公开(公告)日:1998-07-21

    申请号:US612434

    申请日:1996-03-07

    IPC分类号: B01F17/00 B01F17/52 C08F8/00

    CPC分类号: B01F17/0028 C08F8/00 C08F8/44

    摘要: A modified polyvinyl alcohol is disclosed, which comprises the following structural units (I) and (II) and has a weight average molecular weight of from 3,000 to 400,000: ##STR1## wherein R.sup.1 represents H or CH.sub.3 ; and M.sup.1 represents H, an alkali metal, ammonium, alkylammonium, or alkanolammonium. The modified polyvinyl alcohol may be sulfonated. The modified polyvinyl alcohol is used as a dispersant such as a drilling fluid additive.

    摘要翻译: 公开了一种改性的聚乙烯醇,其包含以下结构单元(I)和(II),其重均分子量为3,000至400,000:(I)其中R 1表示H或 CH3; M1表示H,碱金属,铵,烷基铵或烷醇铵。 改性的聚乙烯醇可以被磺化。 改性聚乙烯醇用作分散剂如钻井液添加剂。

    Process for preparing high-purity vinylpyrrolidone polymer
    9.
    发明授权
    Process for preparing high-purity vinylpyrrolidone polymer 失效
    制备高纯度乙烯基吡咯烷酮聚合物的方法

    公开(公告)号:US06486281B1

    公开(公告)日:2002-11-26

    申请号:US09914267

    申请日:2001-08-24

    IPC分类号: C08F2608

    CPC分类号: C08F26/10 C08F6/02 C08L39/06

    摘要: A process for preparing a high purity vinylpyrrolidone polymer which dissolves clearly in an organic solvent can be provided. The process for preparing a high purity vinylpyrrolidone polymer, wherein vinylpyrrolidone is polymerized by using a redox initiator comprising an organic peroxide and a sulfite, and thereafter the product is contacted with an anion exchange resin to be purified.

    摘要翻译: 可以提供一种制备清楚地溶解在有机溶剂中的高纯度乙烯基吡咯烷酮聚合物的方法。 制备高纯度乙烯基吡咯烷酮聚合物的方法,其中使用包含有机过氧化物和亚硫酸盐的氧化还原引发剂使乙烯基吡咯烷酮聚合,然后将产物与待纯化的阴离子交换树脂接触。

    Radiographic intensifying screen
    10.
    发明授权
    Radiographic intensifying screen 失效
    射线增强屏

    公开(公告)号:US4704538A

    公开(公告)日:1987-11-03

    申请号:US857400

    申请日:1986-04-21

    申请人: Akira Kitada

    发明人: Akira Kitada

    IPC分类号: C09K11/00 G21K4/00 G01J1/58

    CPC分类号: G21K4/00

    摘要: 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.

    摘要翻译: 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。