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薄膜包衣是目前比较先进的一种包衣方法。这种方法采用符合包衣要求的高分子物料,以有机溶媒溶解,喷包于片剂表面,当溶媒蒸发后,片剂表面形成一层膜,即为薄膜衣。薄膜衣比糖衣有很多优点,节省物料,操作简单,工时短而成本低,比较适合医院制剂室制作。本室选用聚丙烯酸树脂(胃溶型Ⅳ号),聚乙二醇4000为材料将自制氧氟沙星片包薄膜衣。经过几次摸索,基本达到包衣要求。现将操作过程中的经验教训总
Film coating is currently a more advanced method of coating. This method uses the coating material in line with the requirements of the polymer dissolved in organic solvents, spray wrapped in the tablet surface, when the solvent evaporation, the tablet surface to form a film, that is, thin film clothing. Film coating than sugar-coated has many advantages, saving materials, simple operation, short working hours and low cost, more suitable for the preparation of hospital preparation room. The room selection of polyacrylic acid resin (gastric solution type IV), polyethylene glycol 4000 as the material will ofloxacin film package film coat. After several exploration, basically reached the coating requirements. Now the lessons learned during the operation