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Printing method of thermal cash register paper

Publisher: Administrator    Date:2019-12-21

Thermal paper is also called thermal fax paper, thermal recording paper, and thermal copy paper. In Taiwan, it is called thermal carbon paper. Thermal paper is a kind of processed paper. Its manufacturing principle is to apply a layer of "heat-sensitive coating" (heat-sensitive color-changing layer) on high-quality base paper. Although there are more than a dozen chemicals used in this color-changing layer, at least the following compounds are available: colorless dyes, which have a wide variety of dyes, and the most commonly used are fluorescent compounds; color developers account for less than 20%, and two commonly used are Phenol, p-hydroxy & benzoic acid; sensitizer accounts for less than 10%, which contains benzenesulfonic acid amide compounds; fillers account for less than 50%, commonly used are calcium carbonate (fine particles); adhesives account for about 10% Below, such as polyvinyl acetate; stabilizers, such as terephthalic acid dibenzoyl; lubricants and the like.
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