Wood-derived chemicals offer safer alternative for thermal receipt paper coatings
Saturday, January 3, 2026 - 09:51
in Physics & Chemistry
Every day, millions of people use thermal paper without thinking about it. Receipts, shipping labels, tickets, and medical records all rely on heat‑sensitive coatings to make text appear. More specifically, heat triggers a reaction between a colorless dye and a "developer," producing dark text where the paper is warmed.