Wei, Changhe, et al. “Preparation and Performance of a Green, Fluorine-Free Chitosan-Stearic Acid Waterproof Agent for Molded Pulp”. BioResources, vol. 21, no. 3, May 2026, pp. 5911-30, https://ojs.bioresources.com/index.php/BRJ/article/view/25314.