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Production of hollow fiber

阅读:28发布:2023-03-08

专利汇可以提供Production of hollow fiber专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain hollow fibers having improved selective permeability, round cross-sections, and uniform membrane thickness, by introducing a hydroxycarboxylic acid and a monoterpene as a core liquid into the hollow part of a filamentary material. CONSTITUTION:A cellulose ester, e.g. cellulose acetate, is dissolved in an organic solvent, e.g. acetone, and the solution is extruded through an annular slit, preferably perpendicularly downward. A hydroxycarboxylic acid, e.g. glycolic acid or its derivative, or monoterpene, e.g. limonene, or a solution containing them as a core liquid is introduced into the hollow part, and the fibers are gelatinized in a coagulation both and washed with water to give the desired fibers. EFFECT:High-speed spinning is possible due to no gelation and fiber breakage. USE:Blood dialysis and seawater desalination.,下面是Production of hollow fiber专利的具体信息内容。

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