| 摘要 |
Water-soluble films useful for packaging and encapsulating various products are provided. The packaged and encapsulated products are released when the film dissolves in water. The films incorporate copolymers of vinyl alcohol units and sulfonic acid units at molecular weights and monomer incorporation levels providing improved water solubility characteristics in the presence of certain compounds, especially borate containing compounds. The films are particularly useful for packaging detergent products and encapsulating detergent component such as enzymes.
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