The Chemical Basis of Natural Lacquer Durability: Urushiol Structure, Oxidative Polymerization Film Formation, and Coating Film Properties
Natural lacquer generally refers to a coating material formed from lacquer sap collected from lacquer-tree species after refining and application. Traditional East Asian lacquer is mainly obtained from the lacquer tree, and its sap contains urushiol, water, plant gums, nitrogen-containing ...
危险品化学品经营许可证(带存储)