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PROCEDURE FOR THE SEPARATION OF VINYLPYROLIDONE FROM VINYLPYROLIDONE POLYMERIZED.
PROCEDURE FOR THE SEPARATION OF VINYLPYROLIDONE FROM VINYLPYROLIDONE POLYMERIZED.
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机译:从聚合的聚乙烯吡咯烷酮中分离出聚乙烯吡咯烷酮的方法。
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摘要
Vinylpyrrolidone is removed from its polymers by a process in which an aqueous or alcoholic solution of the polymer is treated with an adsorbent, the adsorbents used preferably being active carbon, zeolites and especially acidic ion exchangers.
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