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Fixing type photosensitive recording method

阅读:285发布:2023-01-24

专利汇可以提供Fixing type photosensitive recording method专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a bill and a bond inalterable falsely by dispersing a colorless sublimable dye and a photooxidizing agent into a binder, coating a support with this dispersion, exposing it to UV rays to form a colored image, and heating it to sublime the noncolored colorless sublimable dye and thus to fix the image. CONSTITUTION:The colorless sublimable dye 2, such as a type to be colored by opening a lactone ring, a type to be colored by releasing a substituent, or a type to be colored by introducing a proton, is dispersed into a binder, such as polymethacrylate or polystyrene, in an amt. of 0.001-1pt.wt. per 8pts.wt. of the binder, and alpha, beta, gamma or delta-tocopherol acetate, or an optional combination of them is added as the photoooxidizing agent 3 in an amt. of 0.1-100pts.wt. per 1pt.wt. of the dye 2 to form a fixing type photosensitive recording layer 1 on the support 4. This layer 1 is imagewise exposed to develop color, the recording medium is heated to sublime off the dye 2 at the noncolored parts, and the image is fixed onto the support 4, thus permitting a record falsily inalterable and suitable for securities, such as a commutation ticket to be formed.,下面是Fixing type photosensitive recording method专利的具体信息内容。

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