本文以聚矾和磺化聚砜共混物为膜材料，二甲基乙酰胺为溶剂，聚乙烯吡咯啉酮和邻苯二甲酸二甲酯为添加剂配制纺丝液，纺制外压中空纤维超滤膜。
This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.
共聚物在N，N-二甲基酰胺（DMF）、二甲基亚砜（DMSO）、N-甲基-2-吡咯烷酮（NMP）等极性溶剂和浓H2SO4中有良好的溶解性。
The copolymers show good solubility in N, N-dimethylformamide (DMF), dimethyl sulphoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and some inorganic acids like H2SO4.
共聚物在N，N-二甲基酰胺（DMF）、二甲基亚砜（DMSO）、N-甲基-2-吡咯烷酮（NMP）等极性溶剂和浓H2SO4中有良好的溶解性。
The copolymers show good solubility in N, N-dimethylformamide (DMF), dimethyl sulphoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and some inorganic acids like H2SO4.
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