> Researchers at the Swiss Federal Technology Institute of Lausanne (EPFL) recently found a solution that seems to check all those boxes. Instead of toxic chemicals such as BPA or BPS, they used lignin together with a sensitizer derived from plant sugars to make the coating for thermal paper
NewsArticle: "Eco friendly thermal paper made with wood" (2026) https://newatlas.com/environment/liginin-eco-friendly-therma... :
> Researchers at the Swiss Federal Technology Institute of Lausanne (EPFL) recently found a solution that seems to check all those boxes. Instead of toxic chemicals such as BPA or BPS, they used lignin together with a sensitizer derived from plant sugars to make the coating for thermal paper
ScholarlyArticle: "Sustainable thermal paper formulation using lignocellulosic biomass fractions" (2026) https://www.science.org/doi/10.1126/sciadv.adw9912