发明授权
US4851168A Novel polyvinyl alcohol compositions and products prepared therefrom 失效
新型聚乙烯醇组合物及其制备的产品

Novel polyvinyl alcohol compositions and products prepared therefrom
摘要:
Solutions of polyvinyl alcohol in non-aqueous mixtures of dimethyl sulfoxide and up to about 30 weight percent, based on said mixture, of an alcohol containing from 1 to about 4 carbon atoms can be converted to hydrogels, fibers and other useful products.
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