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热敏纸对于显色剂的要求有哪些?

发表时间:2017-06-17 14:41  责任编辑:灏瑞纸业  点击: 次

  热敏收银纸材料掉粉原因及解决,正式印刷前先走空纸进行预印,可以去掉部浮粉;改换印刷设备压印方式,减少印刷接触面积。在我们进行热敏纸生产中,会需要使用到显色剂,今天山东收银纸厂家要为大家讲解的就是热敏纸对于显色剂的要求有哪些,显色剂与染料在与热头接触时产生反应而显色,显色剂选择性很广。如酚类和有机酸类,在选择显色剂时必须要满足下述指标。

  Heat sensitive silver paper material, powder reasons and solutions, before the official printing, first empty paper for pre printed, you can remove the Department of floating powder; change printing equipment, printing method, reduce printing contact area. We are in the production of thermal paper, will need to use a chromogenic agent, today Shandong cashier paper manufacturers explain to you is for thermal paper developer what are the requirements, chromogenic agent and dyes in contact with the heat generated when the head color reaction, selective chromogenic agent is very wide. For phenols and organic acids, the following indicators must be met when selecting chromogenic agents.

u2电竞   (1)XIANSEJIBIXUSHISUOCAIYONGDERANLIAOFASEMIDUDAQIEMINGANXINGQIANG。

  (1) the developer must use the dye with a high color density and a strong sensitivity.

u2电竞   (2)ZAISHIWENXIAXIANSEJIBUNENGYURANLIAOFASHENGFANYINGERXIANSE。

  (2) at room temperature, the developer can not react with the dye to develop the color.

  (3)ZAISHEDINGWENDUXIA,XIANSEJIBIXUYAOYOULINGMINDERONGDIAN,ZHEIYANGCAINENGBAOZHENGZAISHEDINGWENDUXIAFASEKUAIQIEMIDUDA。

  (3) at setting temperature, the developer must have a sensitive melting point, so as to ensure that the setting temperature is fast and the density is great.

u2电竞   (4)ZAISHEDINGWENDUXIA,DANGRETOUYUXIANSEJIJIECHUSHIBUYUNXUFAHEI。

  (4) at setting temperature, black shall not be allowed when the heat head is in contact with the developer.

u2电竞   (5)CHENGXIANGNAIJIUXINGHAO。

  (5) the image has good durability.