Conventional dosage form liquids, solids and semi solids, oil in water emulsion and other State and solid preparation and particle of tablets, pills and capsules in a variety of formulations. Tablets such as the selection of different accessories, can be divided into film tablets, chewable tablets, dispersible tablets, sugar-coated tablets, effervescent tablets. In the Tablet, currently the routine use of sugar technology, this technology not only in the production process longer and Tablet contains a lot of talcum powder and sugar-coated pigment of human good. Sugar-coated tablets for its resistance to moisture, heat, oxidation, mildew and poor. And thin-film coating technology overcomes these defects, and can make the drug in a specific section of digestive tract point release or with slow-release effect, so as to improve the efficacy and reduced side effects, reducing the number of delivery. Film coating materials such as styrene-vinylpyridine copolymer, is a good film material.
In Europe, the United States, Japan and other countries, the film has a lot of development to replace sugar has become an inevitable trend, many drugs such as thin-film coating technology can greatly improve the quality of medicines, in particular on the development of traditional Chinese medicine was a more broad prospects in the future, such as Wuji baifeng pill use IV acrylic resin, coated, compared with core, quality is significantly improved.