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Diazo heat-sensitive recording material

阅读:981发布:2023-02-20

专利汇可以提供Diazo heat-sensitive recording material专利检索,专利查询,专利分析的服务。并且PURPOSE:To provide a fixable recording material which is suitable for securities and the like with excellent thermal response and long-term preservability, by laminating a layer of a specified diazo compound and that of phloroglucinol separately on a support. CONSTITUTION:For example, one or more of diazo compounds of the formula (where R1-R3 represent each H, lower alkyl, lower alkoxy or halogen, n is 0 or 1 and x is an acid residue which is free or forming a double salt with a metal salt) and phloroglucinol as a coupler are dissolved or dispersed in separate solvents (e.g., benzene) while 2-30pts.wt. (per pt.wt. of the component A) heat-fusible or heat-softening material (e.g., stear amide) is added to either of them to prepare a coating liquid for lamination. The two liquid are applied sequentially in layers on a support and dried to obtain a recording material as expected.,下面是Diazo heat-sensitive recording material专利的具体信息内容。

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