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Title:
POLYETHYLENE RESIN POROUS HOLLOW FIBER MEMBRANE, SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SAID MEMBRANES
Document Type and Number:
WIPO Patent Application WO/2017/195457
Kind Code:
A1
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:
HIWATARI, Junichi (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
NAKASHIMA, Shiro (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
Application Number:
JP2017/010112
Publication Date:
November 16, 2017
Filing Date:
March 14, 2017
Export Citation:
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Assignee:
ASAHI KASEI MEDICAL CO., LTD. (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
International Classes:
B01D71/26; B01D69/02; B01D69/08; B01D69/12; B01D71/38; C08J9/00
Domestic Patent References:
WO2002072248A12002-09-19
Foreign References:
US6436319B12002-08-20
JPH03238029A1991-10-23
JPH05202240A1993-08-10
JPH0427891B21992-05-13
JPH03111057A1991-05-10
JPH02133607A1990-05-22
JPH11262639A1999-09-28
JPH0549878A1993-03-02
JPH01228505A1989-09-12
JPS51119069A1976-10-19
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (TMI ASSOCIATES, 23rd Floor Roppongi Hills Mori Tower, 6-10-1, Roppongi, Minato-k, Tokyo 23, 〒1066123, JP)
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