Wax emulsion can effectively improve the hydrophobic properties of thermal paper coatings

2022-03-20   Pageview:36

Thermal printing paper is a kind of information paper that uses paper as a carrier and is coated with thermal heating coating with thermal recording effect. The structure is more complex, and the basic composition is shown in the following figure:

The thermal layer is the key to thermal color development; the coating is to provide the thermal paper with waterproof, oil-proof, and solvent-resistant functions; the bottom layer is to improve the smoothness and heat insulation of the paper, and the adhesive layer is to control the thermal paper. Warpage and penetration.

Adding wax emulsion to the top coating or back coating can effectively improve the hydrophobicity of thermal paper coating, play a lubricating role, prevent the thermal print head from being bonded by the coating, reduce excessive wear, and improve the wear resistance and smoothness of the coating. It can provide high color strength; it can also reduce the friction coefficient between adjacent papers, avoid the phenomenon of banding, and prolong the storage period of thermal paper.

Wax emulsion can effectively improve the hydrophobic properties of thermal paper coatings.

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