The amount of plasticizer, film thickness, curing temperature and curing time effect the release of the DS from the tablet coated with ethylcellulose aqueous dispersion.

• 结论：乙基纤维素水性分散体可作为缓释衣膜材料。增塑剂用量、衣膜厚度、后处理温度、后处理时间等因素均影响药物的释放。