By coating the monolaye films derived from methylic cellulose with long chain and high saturated lipids, bilayer films were prepared and this films have very lower water vapor permeability and air ...

• 以甲基纤维素为膜材制备的单层膜作支撑底膜，上面涂布长链脂质层形成双层膜的阻湿和阻气性十分突出，并保持入口即化的特性。以交联膜作底膜的双层膜虽具有强阻湿性，但水溶性较差。