Title:
ポリエチレン系樹脂多孔質中空糸膜、分離膜及びそれらの製造方法
Document Type and Number:
Japanese Patent JP6792612
Kind Code:
B2
Abstract:
A polyethylene resin porous hollow fiber membrane having a plurality of microfibrils which include a polyethylene resin and which are aligned in the fiber longitudinal direction, and nodular parts comprising a lamellar laminate connected to both ends of the microfibrils, wherein the mass fraction of components having a molecular weight of 10,000 or less is 17.5 mass% or above, and the mass fraction of components having a molecular weight of 1,000,000 or higher is less than 1.5 mass%.
Inventors:
Junichi Hiwatari
Nakajima Shiro
Nakajima Shiro
Application Number:
JP2018516368A
Publication Date:
November 25, 2020
Filing Date:
March 14, 2017
Export Citation:
Assignee:
Asahi Kasei Medical Co., Ltd.
International Classes:
B01D71/26; A61L2/08; B01D65/02; B01D69/08; B01D69/12; B01D71/38; D01F6/04; D01F6/46; D06M15/333
Domestic Patent References:
| JP3238029A | ||||
| JP5202240A | ||||
| JP4027891B2 | ||||
| JP3111057A | ||||
| JP2133607A | ||||
| JP11262639A | ||||
| JP5049878A | ||||
| JP1228505A | ||||
| JP51119069A |
Foreign References:
| US6436319 | ||||
| WO2002072248A1 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito