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Process for producing diazotype light-sensitive material

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专利汇可以提供Process for producing diazotype light-sensitive material专利检索,专利查询,专利分析的服务。并且A diazotype light-sensitive material is produced by coating a light-sensitive composition on a supporting sheet, said lightsensitive composition being prepared by dissolving a water soluble synthetic resin or a denatured starch in water and then dissolving in the resulting solution an azo coupling component and then adding thereto a light sensitive diazonium compound, which order of addition prevents the formation of a tar-like material or a water-insoluble precipitate by interaction of the azo coupling component and the diazonium compound.,下面是Process for producing diazotype light-sensitive material专利的具体信息内容。

  • 2. A process according to claim 1, wherein said polyhydroxybenzoic acid is a member selected from the group consisting of 2,6-dihydroxybenzoic acid and 2,4,6-trihydroxybenzoic acid.
  • 3. A process according to claim 1, wherein said derivative of polyhydroxybenzoic acid is a member selected from the group consisting of 2,6-dihydroxy-3,5-dichlorobenzoic acid, 2,6-dihydroxy-4-methoxybenzoic acid, 2,6-dihydroxy-3-ethyl-5-chlorobenzoic acid and 2,4,6-trihydroxy-3-benzoylbenzoic acid.
  • 4. A process according to claim 1, wherein said coupling component is a sodium-, potassium-, calcium- or ammonium salt of said polyhydroxybenzoic acid or derivative thereof.
  • 5. A process according to claim 1, wherein said diazonium compound is a member selected from the group consisting of 4-(N, N-diethylamino) benzene diazonium, 4-(N,N-dimethylamino)benzene diazonium, 2,3-diethoxy-4-(N-benzoylamino)benzene diazonium, 4-(N-ethyl-N-benzylamino)benzene diazonium and 4-(N-cyanoethyl-N-cyclohexylamino) benzene diazonium.
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