JP7569866B2 - 多孔質膜 - Google Patents

多孔質膜 Download PDF

Info

Publication number
JP7569866B2
JP7569866B2 JP2022563829A JP2022563829A JP7569866B2 JP 7569866 B2 JP7569866 B2 JP 7569866B2 JP 2022563829 A JP2022563829 A JP 2022563829A JP 2022563829 A JP2022563829 A JP 2022563829A JP 7569866 B2 JP7569866 B2 JP 7569866B2
Authority
JP
Japan
Prior art keywords
membrane
thickness
porosity
liquid
hollow fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2022563829A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022107856A1 (https=
Inventor
雄揮 三木
宏和 藤村
大樹 梅本
亜由 松山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Publication of JPWO2022107856A1 publication Critical patent/JPWO2022107856A1/ja
Priority to JP2024094704A priority Critical patent/JP2024107332A/ja
Application granted granted Critical
Publication of JP7569866B2 publication Critical patent/JP7569866B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/021—Pore shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02831—Pore size less than 1 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02832—1-10 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02833—Pore size more than 10 and up to 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02834—Pore size more than 0.1 and up to 1 µm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/002—Organic membrane manufacture from melts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2022563829A 2020-11-19 2021-11-18 多孔質膜 Active JP7569866B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024094704A JP2024107332A (ja) 2020-11-19 2024-06-11 多孔質膜

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020192591 2020-11-19
JP2020192591 2020-11-19
PCT/JP2021/042475 WO2022107856A1 (ja) 2020-11-19 2021-11-18 多孔質膜

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024094704A Division JP2024107332A (ja) 2020-11-19 2024-06-11 多孔質膜

Publications (2)

Publication Number Publication Date
JPWO2022107856A1 JPWO2022107856A1 (https=) 2022-05-27
JP7569866B2 true JP7569866B2 (ja) 2024-10-18

Family

ID=81707997

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022563829A Active JP7569866B2 (ja) 2020-11-19 2021-11-18 多孔質膜
JP2024094704A Pending JP2024107332A (ja) 2020-11-19 2024-06-11 多孔質膜

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024094704A Pending JP2024107332A (ja) 2020-11-19 2024-06-11 多孔質膜

Country Status (5)

Country Link
US (1) US20230405531A1 (https=)
EP (1) EP4249108A4 (https=)
JP (2) JP7569866B2 (https=)
CN (1) CN116457077A (https=)
WO (1) WO2022107856A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115920669B (zh) * 2022-12-09 2025-07-04 万华化学集团股份有限公司 一种全氟中空纤维多孔膜的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015104871A1 (ja) 2014-01-10 2015-07-16 旭化成ケミカルズ株式会社 多孔性中空糸膜及びその製造方法、並びに浄水方法
WO2018174279A1 (ja) 2017-03-24 2018-09-27 旭化成株式会社 膜蒸留用多孔質膜及び膜蒸留用モジュールの運転方法
JP2020142191A (ja) 2019-03-06 2020-09-10 旭化成株式会社 中空糸膜モジュール、及びこれを用いた海水のろ過方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990294A (en) * 1988-05-04 1991-02-05 Millipore Corporation Process for producing fluorocarbon membranes and membrane product
JPH0365223A (ja) * 1989-08-01 1991-03-20 Mitsubishi Rayon Co Ltd 殺菌性濾材
DE4101873C2 (de) * 1991-01-23 1993-12-09 Isis Pharma Gmbh Peroral applizierbare Arzneiform zur Behandlung zentraler Dopaminmangelzustände
JPH11138164A (ja) 1997-11-11 1999-05-25 Asahi Chem Ind Co Ltd 懸濁水の浄化方法
AU765380B2 (en) 2000-01-18 2003-09-18 Asahi Kasei Kabushiki Kaisha Method for purifying suspended water by membrane filtration
US20090206035A1 (en) * 2005-02-15 2009-08-20 Kureha Corporation Vinylidene Fluoride Resin Hollow Filament Porous Membrane, Water Filtration Method Using the Same, and Process for Producing Said Vinylidene Fluoride Resin Hollow Filament Porous Membrane
JP5433921B2 (ja) * 2006-04-26 2014-03-05 東洋紡株式会社 高分子多孔質中空糸膜
KR101409712B1 (ko) * 2006-08-10 2014-06-19 가부시키가이샤 구라레 불화비닐리덴계 수지로 이루어지는 다공막 및 그 제조 방법
JP4869272B2 (ja) * 2008-03-14 2012-02-08 旭化成ケミカルズ株式会社 多孔性多層中空糸膜
US9174174B2 (en) * 2008-09-19 2015-11-03 Toray Industries, Inc. Separation membrane and method for producing the same
KR101657307B1 (ko) * 2009-09-25 2016-09-19 엘지전자 주식회사 불소계 중공사막 및 그 제조 방법
US20150136691A1 (en) * 2011-12-13 2015-05-21 MEMSTAR (Guangzhou) Co. Ltd Method for preparing double layered porous hollow membrane and device and product thereof
CN105473214B (zh) * 2013-05-29 2018-06-15 3M创新资产公司 微孔聚偏二氟乙烯膜
JP6359431B2 (ja) * 2014-11-21 2018-07-18 旭化成株式会社 多孔性中空糸膜、多孔性中空糸膜の製造方法、及び浄水方法
JP6824284B2 (ja) * 2016-11-09 2021-02-03 旭化成株式会社 多孔性中空糸膜及び多孔性中空糸膜の製造方法
WO2019059397A1 (ja) * 2017-09-25 2019-03-28 三菱ケミカル株式会社 中空糸膜

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015104871A1 (ja) 2014-01-10 2015-07-16 旭化成ケミカルズ株式会社 多孔性中空糸膜及びその製造方法、並びに浄水方法
WO2018174279A1 (ja) 2017-03-24 2018-09-27 旭化成株式会社 膜蒸留用多孔質膜及び膜蒸留用モジュールの運転方法
JP2020142191A (ja) 2019-03-06 2020-09-10 旭化成株式会社 中空糸膜モジュール、及びこれを用いた海水のろ過方法

Also Published As

Publication number Publication date
EP4249108A4 (en) 2024-04-17
WO2022107856A1 (ja) 2022-05-27
JPWO2022107856A1 (https=) 2022-05-27
CN116457077A (zh) 2023-07-18
US20230405531A1 (en) 2023-12-21
JP2024107332A (ja) 2024-08-08
EP4249108A1 (en) 2023-09-27

Similar Documents

Publication Publication Date Title
JP4043364B2 (ja) 中空糸膜の製造方法
TWI432618B (zh) A method for producing a hollow fiber membrane of a profiled porous hollow fiber membrane, a method for producing a hollow fiber membrane using a profiled porous hollow fiber membrane, a filter device, and a water treatment method
JP3781679B2 (ja) 懸濁水の膜濾過浄化方法
JP6824284B2 (ja) 多孔性中空糸膜及び多孔性中空糸膜の製造方法
US11338253B2 (en) Porous hollow fiber membrane, method for producing same, and water purification method
AU2006300331A1 (en) Porous multilayered hollow-fiber membrane and process for producing the same
JP2010094670A (ja) ポリフッ化ビニリデン系複合膜およびその製造方法
JP4666530B2 (ja) 中空糸膜の製造方法
JP2024107332A (ja) 多孔質膜
JP2007313491A (ja) 低汚染性フッ化ビニリデン系樹脂多孔水処理膜およびその製造方法
JP2024029746A (ja) 多層多孔性中空糸膜の製造方法及び多孔性中空糸膜
JP2025072012A (ja) 細胞培養物の濾過方法
CA3207688C (en) METHOD FOR MANUFACTURING A POROUS MEMBRANE
JP2024167047A (ja) 多孔質膜、多孔質膜の製造方法、多孔質膜を用いた糖化液の製造方法、及び多孔質膜を用いた濾過方法
WO2025075101A1 (ja) 多孔性中空糸膜及び多孔性中空糸膜の製造方法
JP2025007450A (ja) 多孔性中空糸膜
JP2024076877A (ja) 多孔質膜及び多孔質膜の製造方法
JP2024053941A (ja) 多孔質膜の再生方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230113

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231017

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231215

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240312

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240611

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20240618

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240910

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241007

R150 Certificate of patent or registration of utility model

Ref document number: 7569866

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150