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丙基乙烯基亚砜改性聚乙醇功能高分子膜对SO_2,N_2及SO_2-N_2混合气体的渗透性能研究表明,该膜具有高选择透过SO_2的优良性能.透过SO_2的速率随着亚砜基含量的增加而增加,当亚砜基含量为25(mol)％时,经一次分离能使混合气体中SO_2的含量从1.54％提高到78.8％.
The study on the permeability of SO2, N_2 and SO_2-N_2 mixed gas by modified vinyl alcohol functional polymer membrane showed that the membrane possesses the excellent performance of high selectivity for SO_2 permeation.The rate of SO_2 permeating through The content of SO2 in the mixed gas increased from 1.54% to 78.8% when the sulfoxide content was 25 (mol)%.