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公开(公告)号:US4284594A
公开(公告)日:1981-08-18
申请号:US102537
申请日:1979-12-11
申请人: Yasushi Joh , Akihiko Niina , Noriaki Kaneko , Toshio Sano , Noriyuki Ichige , Koji Ichikawa , Akira Fukutome , Hisako Sonobe
发明人: Yasushi Joh , Akihiko Niina , Noriaki Kaneko , Toshio Sano , Noriyuki Ichige , Koji Ichikawa , Akira Fukutome , Hisako Sonobe
CPC分类号: B01D69/087 , B01D67/0016 , B01D71/14 , D01D5/24 , D01F2/28 , Y10T428/2975
摘要: A method of manufacturing a hollow fiber in which a spinning solution of cellulose ester dissolved into an organic solvent is extruded from an annular slit, and simultaneously a core liquid is introduced into the inside hollow portion of the extruded spinning solution, the core liquid being selected from the group of hydroxycarboxylic acid, derivative of hydroxycarboxylic acid, monoterpene or these mixture, or consisting of a solution of the above-described compound or mixture.
摘要翻译: 一种中空纤维的制造方法,其中将纤维素酯的纺丝溶液从环状狭缝中挤出,同时将芯液引入挤压纺丝溶液的内部中空部分,选择芯液 由羟基羧酸,羟基羧酸衍生物,单萜或这些混合物组成,或由上述化合物或混合物的溶液组成。