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.

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所有的这些开发都是在我们瑞士温特图尔研发中心的二头纺高性能变形机上进行。

All developments have been made in our TTC at Winterthur, Switzerland on a 2-end machine with HP texturing.

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