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    • 2. 发明公开
    • Direct positive photographic materials
    • Photographische Direktpositivmaterialien。
    • EP0358170A2
    • 1990-03-14
    • EP89116391.7
    • 1989-09-05
    • FUJI PHOTO FILM CO., LTD.
    • Shuto, Sadanobu Fuji Photo Film Co., Ltd.Tanemura, Hatsumi Fuji Photo Film Co., Ltd.Hirano, Shigeo Fuji Photo Film Co., Ltd.
    • G03C1/485
    • G03C1/48538Y10S430/141
    • A direct positive photosensitive material composed of a support having thereon at least one silver halide light-­sensitive emulsion layer containing the combination of (a) non-prefogged internal latent image silver halide grains; (b) a binder; (c) at least one compound represented by formulae (I), (II) or (III); and at least one compound represented by formula (IV):
      R-SO₂S-M      (I)
      R-SO₂S-R¹      (II)
      R-SO₂S-L m -S.O₂S-R²      (III)
      wherein R, R¹ and R² each represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; M represents a cation; L represents a divalent linking group; and m is 0 or 1; and
      R³-SO₂-M¹      (IV)
      wherein R³ represents an aliphatic group, an aromatic group or a heterocyclic group; and M¹ represents a cation. The material provides a direct positive image with high Dmax, low Dmin and high contrast.
    • 一种直接正性感光材料,其由其上具有至少一种含有(a)非预成像的内部潜像卤化银颗粒的组合的卤化银感光乳剂层组成的载体构成; (b)粘合剂; (c)至少一种由式(I),(II)或(III)表示的化合物; 和至少一种由式(Ⅳ)表示的化合物:R-SO 2 S-M(I)R-SO 2 S-R 1(II)R-SO 2 S-Lm-S 2 S-R 2(III)其中R R 1和R 2各自表示取代或未取代的脂族基,取代或未取代的芳基或取代或未取代的杂环基; M表示阳离子; L表示二价连接基团; m为0或1; 和R 3 -SO 2 -M 1(IV)其中R 3表示脂族基团,芳族基团或杂环基团; M 1表示阳离子。 该材料提供具有高Dmax,低Dmin和高对比度的直接正像。
    • 3. 发明公开
    • Direct positive photographic materials
    • 直接正片照相材料
    • EP0358170A3
    • 1990-06-20
    • EP89116391.7
    • 1989-09-05
    • FUJI PHOTO FILM CO., LTD.
    • Shuto, Sadanobu Fuji Photo Film Co., Ltd.Tanemura, Hatsumi Fuji Photo Film Co., Ltd.Hirano, Shigeo Fuji Photo Film Co., Ltd.
    • G03C1/485
    • G03C1/48538Y10S430/141
    • A direct positive photosensitive material composed of a support having thereon at least one silver halide light-­sensitive emulsion layer containing the combination of (a) non-prefogged internal latent image silver halide grains; (b) a binder; (c) at least one compound represented by formulae (I), (II) or (III); and at least one compound represented by formula (IV):
      R-SO₂S-M      (I)
      R-SO₂S-R¹      (II)
      R-SO₂S-L m -S.O₂S-R²      (III)
      wherein R, R¹ and R² each represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; M represents a cation; L represents a divalent linking group; and m is 0 or 1; and
      R³-SO₂-M¹      (IV)
      wherein R³ represents an aliphatic group, an aromatic group or a heterocyclic group; and M¹ represents a cation. The material provides a direct positive image with high Dmax, low Dmin and high contrast.
    • 一种直接正型感光材料,由其上具有至少一层卤化银感光乳剂层的载体组成,所述感光乳剂层含有(a)未预先粉化的内部潜像卤化银颗粒和 (b)粘合剂; (c)至少一种由式(I),(II)或(III)表示的化合物; 和至少一种由式(Ⅳ)表示的化合物:其中R,R 1和R 2分别代表式(Ⅳ)代表的化合物:其中R 1,R 2和R 2分别代表 取代或未取代的脂族基团,取代或未取代的芳族基团或取代或未取代的杂环基团; M代表阳离子; L代表二价连接基团; 并且m是0或1; 和R 3 -SO 2 -M 1(Ⅳ)其中R 3代表脂族基团,芳族基团或杂环基团; M 1代表阳离子。 该材料提供高Dmax,低Dmin和高对比度的直接正像。