JP7829103B2 - 多孔質膜、フィルター部材及び部材供給アセンブリ - Google Patents

多孔質膜、フィルター部材及び部材供給アセンブリ

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Publication number
JP7829103B2
JP7829103B2 JP2025508832A JP2025508832A JP7829103B2 JP 7829103 B2 JP7829103 B2 JP 7829103B2 JP 2025508832 A JP2025508832 A JP 2025508832A JP 2025508832 A JP2025508832 A JP 2025508832A JP 7829103 B2 JP7829103 B2 JP 7829103B2
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JP
Japan
Prior art keywords
porous membrane
island
regions
resin
filter member
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
JP2025508832A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024253193A1 (https=
Inventor
優介 池村
喜一郎 松下
玉青 福島
健郎 井上
智亮 米山
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko 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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of JPWO2024253193A1 publication Critical patent/JPWO2024253193A1/ja
Application granted granted Critical
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Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/04Specific sealing means
    • B01D2313/042Adhesives or glues
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0281Fibril, or microfibril structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/20Specific permeability or cut-off range
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/24Mechanical properties, e.g. strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/32Melting point or glass-transition temperatures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/18Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08J2323/20Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2025508832A 2023-06-09 2024-06-07 多孔質膜、フィルター部材及び部材供給アセンブリ Active JP7829103B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023095913 2023-06-09
JP2023095913 2023-06-09
PCT/JP2024/020916 WO2024253193A1 (ja) 2023-06-09 2024-06-07 多孔質膜、フィルター部材及び部材供給アセンブリ

Publications (2)

Publication Number Publication Date
JPWO2024253193A1 JPWO2024253193A1 (https=) 2024-12-12
JP7829103B2 true JP7829103B2 (ja) 2026-03-12

Family

ID=93795496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025508832A Active JP7829103B2 (ja) 2023-06-09 2024-06-07 多孔質膜、フィルター部材及び部材供給アセンブリ

Country Status (5)

Country Link
EP (1) EP4725981A1 (https=)
JP (1) JP7829103B2 (https=)
KR (1) KR20260022385A (https=)
CN (1) CN121263471A (https=)
WO (1) WO2024253193A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025249338A1 (ja) * 2024-05-31 2025-12-04 日東電工株式会社 多孔質フィルム、多孔質フィルムの製造方法、通気部材及び部材供給用シート

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005255876A (ja) 2004-03-12 2005-09-22 Asahi Kasei Corp 微多孔膜及びその製造方法
JP2011184671A (ja) 2010-03-08 2011-09-22 Kee:Kk 耐熱性ポリオレフィン微多孔膜及びその製造方法。
JP2011228056A (ja) 2010-04-16 2011-11-10 Mitsui Chemicals Inc 微多孔膜およびそれを含む電池用セパレータ
JP2012030184A (ja) 2010-07-30 2012-02-16 Nippon Sheet Glass Co Ltd 水蒸気透過防止多孔膜、通気構造及びケース
JP2019150775A (ja) 2018-03-05 2019-09-12 東ソー株式会社 表面修飾多孔質膜及びその製造方法
WO2023140330A1 (ja) 2022-01-20 2023-07-27 株式会社トクヤマ 多孔質膜、イオン交換膜、水電解装置、及び多孔質膜の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017095576A (ja) 2015-11-24 2017-06-01 積水化学工業株式会社 オレフィン系樹脂微多孔二軸延伸フィルム及びその製造方法、並びに、耐熱性オレフィン系樹脂微多孔二軸延伸フィルム及びその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005255876A (ja) 2004-03-12 2005-09-22 Asahi Kasei Corp 微多孔膜及びその製造方法
JP2011184671A (ja) 2010-03-08 2011-09-22 Kee:Kk 耐熱性ポリオレフィン微多孔膜及びその製造方法。
JP2011228056A (ja) 2010-04-16 2011-11-10 Mitsui Chemicals Inc 微多孔膜およびそれを含む電池用セパレータ
JP2012030184A (ja) 2010-07-30 2012-02-16 Nippon Sheet Glass Co Ltd 水蒸気透過防止多孔膜、通気構造及びケース
JP2019150775A (ja) 2018-03-05 2019-09-12 東ソー株式会社 表面修飾多孔質膜及びその製造方法
WO2023140330A1 (ja) 2022-01-20 2023-07-27 株式会社トクヤマ 多孔質膜、イオン交換膜、水電解装置、及び多孔質膜の製造方法

Also Published As

Publication number Publication date
EP4725981A1 (en) 2026-04-15
CN121263471A (zh) 2026-01-02
WO2024253193A1 (ja) 2024-12-12
JPWO2024253193A1 (https=) 2024-12-12
KR20260022385A (ko) 2026-02-19

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