Photothermographic materials
    12.
    发明授权
    Photothermographic materials 失效
    光热成像材料

    公开(公告)号:US5952167A

    公开(公告)日:1999-09-14

    申请号:US812132

    申请日:1997-03-05

    IPC分类号: G03C1/34 G03C1/498

    CPC分类号: G03C1/34 G03C1/49845

    摘要: A photothermographic material comprising (a) a reducible silver source, (b) a photocatalyst, (c) a reducing agent, (d) a binder, and (e) a compound represented by the following formula (I): wherein Q represents an atomic group necessary to form a six-membered heterocycle containing two to four nitrogen atoms; Y represents --CO--, --SO--, or --SO.sub.2 --; X.sub.1 and X.sub.2 each represent a halogen atom; and A represents a hydrogen atom or an electron withdrawing group, the photothermographic material exhibiting low fogging without deterioration in image tone and sensitivity decrease.

    摘要翻译: 一种光热成像材料,其包含(a)可还原银源,(b)光催化剂,(c)还原剂,(d)粘合剂和(e)由下式(I)表示的化合物:其中Q表示 形成含有2至4个氮原子的6元杂环所必需的原子团; Y表示-CO-,-SO-或-SO 2 - ; X1和X2各自表示卤素原子; 并且A表示氢原子或吸电子基团,表现出低雾度而不降低图像色调和灵敏度的光热敏成像材料降低。

    Photothermographic material
    13.
    发明授权
    Photothermographic material 失效
    光热成像材料

    公开(公告)号:US5869229A

    公开(公告)日:1999-02-09

    申请号:US925713

    申请日:1997-09-09

    摘要: A photothermographic material contains a compound of formula (I): ##STR1## wherein X represents --N.dbd., --N(R)--, --O--or --S--wherein R represents hydrogen, hydroxy, aliphatic hydrocarbon, aryl or heterocyclic group, Z represents a valence bond or a group of non-metallic atoms necessary to form a 5 to 7-membered ring with X, and each of Q.sub.1 and Q.sub.2 represents a group of non-metallic atoms necessary to form an aromatic hydrocarbon ring or aromatic heterocycle fused to the ring completed by Z. The material has high sensitivity in the infrared region and a minimal sensitivity change with varying storage conditions.

    摘要翻译: 光热敏成像材料包含式(I)的化合物:其中X表示-N =,-N(R) - , - O-或-S-,其中R表示氢,羟基,脂族烃,芳基 或杂环基,Z表示与X形成5至7元环所必需的价键或一组非金属原子,并且Q1和Q2各自表示形成芳烃所需的一组非金属原子 环状或芳族杂环稠合到由Z完成的环。该材料在红外区域具有高灵敏度,并且随着储存条件的变化而具有最小的灵敏度变化。

    Polyhalomethane compound and photosensitive material
    16.
    发明授权
    Polyhalomethane compound and photosensitive material 失效
    聚卤甲烷化合物和感光材料

    公开(公告)号:US6074813A

    公开(公告)日:2000-06-13

    申请号:US827416

    申请日:1997-03-27

    IPC分类号: G03C1/34 G03C1/498

    CPC分类号: G03C1/49845 G03C1/34

    摘要: A polyhalomethane compound represented by the following formula and a silver halide photosensitive material containing the same are disclosed. ##STR1## (Q.sub.1 represents a 1,2,4-triazole ring, etc., Z.sub.1 and Z.sub.2 each represents a halogen atom, Y represents --SO.sub.2 --, etc., and A represents a halogen atom, etc.)The polyhalomethane compound is useful as a highly active antifoggant which enables photosensitive materials, especially of the heat development type, to have excellent raw-stock storage stability and image storage stability when stored in a stacked state, without reducing sensitivity nor impairing color tone.

    摘要翻译: 公开了由下式表示的多卤甲烷化合物和含有它们的卤化银感光材料。 (Q1表示1,2,4-三唑环等,Z1和Z2各自表示卤素原子,Y表示-SO2-等,A表示卤素原子等)。多卤甲烷化合物可用作 特别是热显影型的光敏材料,当以堆叠状态存储时,具有优异的原料储存稳定性和图像保存稳定性的高活性防灰雾剂,而不降低灵敏度,也不损害色调。