About Pure-easy Introduction to Thermal Paper user manual | Pure-easy

       THERMAL PAPER

Thermal paper is a special type of paper that can change color when heated by applying a layer of thermal sensitive coating on the surface of ordinary paper. This type of coating typically contains colorless dyes, colorants, synergists，fillers, adhesives, and stabilizers. When thermal paper is subjected to heat, the dyes in the coating react with acid to produce colored substances and leave marks on the paper. Common color variations include black, blue, or red.

MANUFACTURING PRINCIPLE AND COMPOSITION

The manufacturing principle of thermal paper is to apply a layer of "thermal sensitive coating" on high-quality base paper. This type of coating typically contains the following components:

Colorless dye: Commonly used are fluorescent compounds.Color developing agents: such as bis phenol, p-hydrodynamic acid, etc.

‌Sensitizer: Such as sulfonamides acid amide compounds.

Filler: Such as calcium carbonate.

Adhesive: Such as polyvinyl acetate.

Stabilizers: Such as benzene naphthalene.

Lubricant: Used to improve the flow ability of coatings.

APPLICATION SCENARIOS

Thermal paper is widely used in various scenarios that require printing receipts and labels, such as:

Commercial thermal paper: used for printing receipts and labels on cash registers, commonly found in places such as restaurants and supermarkets.

Home error printing paper: used for students to record mistakes and other issues at home.

FAQ

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