JP7586198B2 - 多孔質膜及び多孔質膜の製造方法 - Google Patents

多孔質膜及び多孔質膜の製造方法 Download PDF

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Publication number
JP7586198B2
JP7586198B2 JP2022576815A JP2022576815A JP7586198B2 JP 7586198 B2 JP7586198 B2 JP 7586198B2 JP 2022576815 A JP2022576815 A JP 2022576815A JP 2022576815 A JP2022576815 A JP 2022576815A JP 7586198 B2 JP7586198 B2 JP 7586198B2
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porous membrane
pores
hydrogen bond
polymer
solvent
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Japanese (ja)
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JPWO2023054228A5 (https=
JPWO2023054228A1 (https=
Inventor
俊 志村
稜 佐藤
正行 花川
雅弘 北畑
直樹 山本
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Toray Industries Inc
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Toray Industries Inc
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2022576815A 2021-09-28 2022-09-26 多孔質膜及び多孔質膜の製造方法 Active JP7586198B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024126513A JP7736137B2 (ja) 2021-09-28 2024-08-02 多孔質膜及び多孔質膜を用いた液体のろ過方法

Applications Claiming Priority (3)

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JP2021157467 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

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JPWO2023054228A1 JPWO2023054228A1 (https=) 2023-04-06
JPWO2023054228A5 JPWO2023054228A5 (https=) 2024-01-10
JP7586198B2 true JP7586198B2 (ja) 2024-11-19

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JP2024126513A Active JP7736137B2 (ja) 2021-09-28 2024-08-02 多孔質膜及び多孔質膜を用いた液体のろ過方法

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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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014036946A (ja) 2012-08-20 2014-02-27 Unitika Ltd 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
WO2016031834A1 (ja) 2014-08-25 2016-03-03 旭化成メディカル株式会社 多孔質膜
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
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

Family Cites Families (8)

* 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
US9174174B2 (en) * 2008-09-19 2015-11-03 Toray Industries, Inc. Separation membrane and method for producing the same
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
KR20200058410A (ko) * 2017-09-28 2020-05-27 도레이 카부시키가이샤 다공질 중공사막 및 그의 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014036946A (ja) 2012-08-20 2014-02-27 Unitika Ltd 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
WO2016031834A1 (ja) 2014-08-25 2016-03-03 旭化成メディカル株式会社 多孔質膜
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
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

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JP2024156859A (ja) 2024-11-06
WO2023054228A1 (ja) 2023-04-06
US20240375060A1 (en) 2024-11-14
CN117881468A (zh) 2024-04-12
EP4410411A4 (en) 2025-04-30
KR20240087690A (ko) 2024-06-19
JPWO2023054228A1 (https=) 2023-04-06
JP7736137B2 (ja) 2025-09-09
EP4410411A1 (en) 2024-08-07

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