Methods of preparing a delivery system are described. Each method uses a first and second printing materials. The second printing material contains an active material such as a fragrance, flavor, malodor counteracting agent, and mixture thereof.
本文介绍了制备传送系统的方法。每种方法都使用第一和第二印刷材料。第二印刷材料含有活性材料,如
香料、香精、恶臭
抑制剂及其混合物。