Objective To prepare compound pseudoephedrine hydrochloride sustained-release pellets and investigate the effect of theoretical polymer coating levels,talc levels and curing time on drug release.

• 目的制备含萘普生钠和盐酸伪麻黄碱的复方缓释微丸,考察理论聚合物包覆量、抗黏剂用量、热处理时间等因素对盐酸伪麻黄碱缓释微丸释放度的影响。