公开(公告)号：US20160038883A1

公开(公告)日：2016-02-11

申请号：US14922265

申请日：2015-10-26

申请人： Mitsubishi Rayon Co., Ltd.

发明人： Masaki KURASHINA ,  Toshinori SUMI ,  Yasuo HIROMOTO ,  Hiroyuki FUJIKI

IPC分类号： B01D67/00 ,  B01D71/34 ,  B01D69/08

CPC分类号： B01D67/003 ,  B01D67/0009 ,  B01D67/0016 ,  B01D67/0083 ,  B01D67/0093 ,  B01D67/0095 ,  B01D69/08 ,  B01D71/34 ,  B01D71/44 ,  B01D2323/08 ,  B01D2323/42 ,  B01D2325/40 ,  B01D2325/42 ,  C08J9/0066

摘要： A method of manufacturing a porous film includes a decomposition step of introducing a porous film precursor which is formed by coagulating an undiluted film forming solution containing a hydrophilic polymer and a hydrophobic polymer, into a decomposition container; bringing a heated chemical containing an oxidizing agent into contact with the porous film precursor in the decomposition container; warming the porous film precursor in contact with the chemical; and decomposing the hydrophilic polymer remaining inside the porous film precursor using the oxidizing agent. An apparatus for manufacturing a porous film includes a decomposition device provided with the decomposition container.

摘要翻译： 制造多孔膜的方法包括将通过将含有亲水性聚合物和疏水性聚合物的未稀释的成膜溶液凝集而形成的多孔膜前体引入分解容器的分解工序; 使含有氧化剂的加热化学品与分解容器中的多孔膜前体接触; 加热与化学品接触的多孔膜前体; 并使用氧化剂分解保留在多孔膜前体内的亲水性聚合物。 用于制造多孔膜的装置包括设置有分解容器的分解装置。

公开(公告)号：US20160279579A1

公开(公告)日：2016-09-29

申请号：US15181439

申请日：2016-06-14

申请人： MITSUBISHI RAYON CO., LTD.

发明人： Hiroyuki FUJIKI ,  Toshinori SUMI ,  Yasuo HIROMOTO ,  Osamu MAEHARA ,  Masahiro TANAKA ,  Masashi TERAMACHI

IPC分类号： B01D69/08 ,  D01D1/09 ,  B29C47/10 ,  D01D4/06 ,  D01D5/24 ,  B29C47/00 ,  D01D5/247 ,  D01D4/02

CPC分类号： B01D69/085 ,  B01D69/087 ,  B01D2323/42 ,  B29C48/11 ,  B29C48/29 ,  B29L2031/755 ,  D01D1/09 ,  D01D4/02 ,  D01D4/06 ,  D01D5/24 ,  D01D5/247

摘要： A hollow fiber membrane-spinning nozzle that spins a hollow fiber membrane having a porous membrane layer and a support is provided in which the nozzle includes a resin flow channel through which a membrane-forming resin solution forming the porous membrane layer flows, the resin flow channel includes a liquid storage section that stores the membrane-forming resin solution and a shaping section that shapes the membrane-forming resin solution in a cylindrical shape and satisfies at least one of conditions (a) to (c): (a) the resin flow channel is disposed to cause the membrane-forming resin solution to branch and merge; (b) a delay means for delaying the flow of the membrane-forming resin solution is disposed in the resin flow channel; and (c) the liquid storage section or the shaping section includes branching and merging means for the membrane-forming resin solution therein.