METHODS OF MAKING WATER-SOLUBLE FILM WITH RESISTANCE TO SOLUBILITY PRIOR TO BEING IMMERSED IN WATER
摘要
<p>A water-soluble film that is resistant to contact with small amounts of water and methods of making the same from water-soluble film-forming compositions, such as polyvinyl alcohols having a salt applied to a surface of the film and a method of making articles made therefrom.</p>
