Vinyl alcohol copolymers containing allylamine functionality
作者： Ta-Wang Lai , Lawrence K. Wempe , Robert K. Pinschmidt
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摘要: A modified poly(vinyl alcohol) copolymer is provided containing copolymerized units of allylamine and/or diallylamine by copolymerizing a vinyl ester, such as acetate, and an N-allylamide N,N-diallylamide, N-allylformamide N,N-diallylformamide hydrolyzing first the ester groups to hydroxy then amide amine groups. The second hydrolysis carried out on solvent-swollen particulate polymer slurried in acidic or basic medium. can contain small amounts unhydrolyzed addition functionality which characterizes copolymer.
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