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    • 10. 发明授权
    • Black-color forming two-component type diazo copying material
    • 黑色成型双组分型重氮复印材料
    • US4304831A
    • 1981-12-08
    • US63308
    • 1979-08-02
    • Tsutomu MatsudaMasanori Rimoto
    • Tsutomu MatsudaMasanori Rimoto
    • G03C1/52G03C1/58G03C1/54
    • G03C1/58
    • A two-component type diazo copying material according to this invention, which comprises a support and a photosensitive layer formed thereon, said layer consisting essentially of a diazo compound expressed by the following general formula I and a coupler mixture consisting of a compound expressed by the following formula II, a compound expressed by the following general formula III and a compound expressed by the following general formula IV, can form a genuine black-color image and is especially optimum for preparing a secondary original used in electrophotographic copying machines. General formula I ##STR1## (wherein R represents alkyl radical having 1 to 5 carbon atoms; R.sub.1 and R.sub.2 represent substituted or non-substituted alkyl radical, aralkyl radical or cycloalkyl radical, or R.sub.1 and R.sub.2 may form a heterocyclic ring together with the nitrogen atom to which they bond; and X represents anion.) ##STR2## (wherein X is of no account or represents O, S, SO or SO.sub.2.) ##STR3## [wherein R.sub.3 represents hydrogen, alkyl radical having 1 to 4 carbon atoms or halogen; R.sub.4 represents hydrogen, --(CH.sub.2).sub.n OH (wherein n is an integer ranging from 2 to 4) or ##STR4## (wherein n is an integer ranging from 2 or 4; R.sub.5 and R.sub.6 represent alkyl radical having 1 to 4 carbon atoms, or R.sub.5 and R.sub.6 may form heterocyclic ring together with nitrogen atoms to which they bond.)]
    • 根据本发明的双组分型重氮复制材料,其包含载体和形成在其上的感光层,所述层基本上由以下通式I表示的重氮化合物和由以下通式I表示的化合物组成的成色剂混合物组成: 按照下式II,由以下通式III表示的化合物和由以下通式IV表示的化合物可以形成真正的黑色图像,并且对于制备用于电子照相复印机中的次级原稿尤为适用。 通式I (其中R表示具有1至5个碳原子的烷基; R 1和R 2表示取代或未取代的烷基,芳烷基或环烷基,或者R 1和R 2可与氮一起形成杂环 原子,X表示阴离子。)式Ⅱ通式III(其中X不考虑或表示O,S,SO或SO2)通式IV其中R 3 表示氢,具有1至4个碳原子的烷基或卤素; R 4表示氢, - (CH 2)n OH(其中n是2至4的整数)或(其中n是2或4的整数; R 5和R 6表示具有1至4个碳原子的烷基, 或者R 5和R 6可以与它们键合的氮原子一起形成杂环。