The protective coating on aluminium foils packaging for medicine was formulated with thermosetting acrylic resin,pyroxylin. 采用热固性丙烯酸树脂、硝基纤维素等制成药品包装用铝箔保护涂料。
A thermosetting resin is a prepolymer in a soft solid or viscous state that changes irreversibly into an infusible, insoluble polymer network by curing. Curing is induced by the action of heat or suitable radiation, often under high pressure. A thermosetting resin is called a thermoset.