CN117881468A - 多孔膜和制造多孔膜的方法 - Google Patents

多孔膜和制造多孔膜的方法 Download PDF

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Publication number
CN117881468A
CN117881468A CN202280059145.1A CN202280059145A CN117881468A CN 117881468 A CN117881468 A CN 117881468A CN 202280059145 A CN202280059145 A CN 202280059145A CN 117881468 A CN117881468 A CN 117881468A
Authority
CN
China
Prior art keywords
porous membrane
porous film
hydrogen bond
polymer
filtration
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.)
Pending
Application number
CN202280059145.1A
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English (en)
Chinese (zh)
Inventor
志村俊
佐藤稜
花川正行
北畑雅弘
山本直树
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of CN117881468A publication Critical patent/CN117881468A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • 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
    • B01D69/12—Composite membranes; Ultra-thin 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
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • B01D2323/22—Specific non-solvents or non-solvent system
    • 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
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0231—Dense layers being placed on the outer side of the cross-section
    • 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
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CN202280059145.1A 2021-09-28 2022-09-26 多孔膜和制造多孔膜的方法 Pending CN117881468A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-157467 2021-09-28
JP2021157467 2021-09-28
PCT/JP2022/035592 WO2023054228A1 (ja) 2021-09-28 2022-09-26 多孔質膜及び多孔質膜の製造方法

Publications (1)

Publication Number Publication Date
CN117881468A true CN117881468A (zh) 2024-04-12

Family

ID=85782585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280059145.1A Pending CN117881468A (zh) 2021-09-28 2022-09-26 多孔膜和制造多孔膜的方法

Country Status (6)

Country Link
US (1) US20240375060A1 (https=)
EP (1) EP4410411A4 (https=)
JP (2) JP7586198B2 (https=)
KR (1) KR20240087690A (https=)
CN (1) CN117881468A (https=)
WO (1) WO2023054228A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7835349B1 (ja) * 2024-04-22 2026-03-25 東レ株式会社 複合半透膜およびその製造方法、分離膜エレメントならびに流体分離装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0712421B2 (ja) * 1987-12-28 1995-02-15 ダイセル化学工業株式会社 ポリスルホン製中空糸膜の製造法
JP3217842B2 (ja) * 1992-03-03 2001-10-15 旭化成株式会社 中空糸状高性能精密濾過膜
JP4003982B2 (ja) * 1995-06-30 2007-11-07 東レ株式会社 ポリスルホン系選択透過性分離膜
JP4565944B2 (ja) 2004-09-16 2010-10-20 ダイセル化学工業株式会社 フィルタ素材及びその製造方法
JP5109263B2 (ja) * 2005-02-28 2012-12-26 東レ株式会社 フッ素樹脂系高分子分離膜およびその製造方法
JP2010094670A (ja) 2008-09-19 2010-04-30 Toray Ind Inc ポリフッ化ビニリデン系複合膜およびその製造方法
CN102159305B (zh) * 2008-09-19 2015-08-19 东丽株式会社 分离膜及其制造方法
JP6105875B2 (ja) 2012-08-20 2017-03-29 ユニチカ株式会社 有機溶剤耐性を有するポリアミド限外濾過膜、及びその製造方法
EP3195922B1 (en) 2014-08-25 2025-04-16 Asahi Kasei Medical Co., Ltd. Porous membrane
WO2018182027A1 (ja) 2017-03-30 2018-10-04 東レ株式会社 分離膜及び分離膜の製造方法
AU2018342736A1 (en) * 2017-09-28 2020-04-09 Toray Industries, Inc. Porous hollow fiber membrane and method for producing same
WO2020262490A1 (ja) 2019-06-27 2020-12-30 東レ株式会社 多孔質膜および複合多孔質膜

Also Published As

Publication number Publication date
WO2023054228A1 (ja) 2023-04-06
EP4410411A1 (en) 2024-08-07
JP7736137B2 (ja) 2025-09-09
EP4410411A4 (en) 2025-04-30
US20240375060A1 (en) 2024-11-14
KR20240087690A (ko) 2024-06-19
JP2024156859A (ja) 2024-11-06
JP7586198B2 (ja) 2024-11-19
JPWO2023054228A1 (https=) 2023-04-06

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