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    • 2. 发明授权
    • Water soluble package and liquid contents thereof
    • 水溶性包装及其液体含量
    • US06451750B2
    • 2002-09-17
    • US09834027
    • 2001-04-12
    • Malcolm HewittHannah MansfieldJenny Wiggans
    • Malcolm HewittHannah MansfieldJenny Wiggans
    • C11D166
    • C11D17/0004C11D17/043
    • A water soluble package formed from a copolymeric polyvinyl alcohol film, wherein the comonomer comprises a carboxylate function, the package containing a substantially non-aqueous liquid composition which comprises: at least one ionic ingredient with an exchangeable hydrogen ion; and a molar excess (with respect to the amount of exchangeable hydrogen ions in the at least one ionic ingredient) of a stabilizing compound effective for combining with the exchangeable hydrogen ions to hinder the formation of lactones within the film, but can be as low as 95 mole % if the stabilizing compound comprises an inorganic base and/or ammonium hydroxide.
    • 由共聚聚乙烯醇膜形成的水溶性包装,其中所述共聚单体包括羧酸盐官能团,所述包装含有基本上非水的液体组合物,其包含:至少一种具有可交换氢离子的离子成分; 和相对于至少一种离子成分中的可交换氢离子的量的摩尔过量(对于与可交换的氢离子组合有效以阻止膜内内酯的形成)的稳定化化合物的量,但可以低至 如果稳定化合物包含无机碱和/或氢氧化铵,则为95摩尔%。