The emulsion polymerization process of stomach acrylic acid resin was studied.The product has properties of stability, pollution-free, with low costs and the capsulizing efficiency is high.

• 摘要利用乳液聚合的方法制备水性胃溶型药物包衣用丙烯酸树脂，此法制备的水性药物包衣材料性能稳定，无污染，成本低，包衣效率高。