JP7435438B2 - 多孔質膜、複合膜及び多孔質膜の製造方法 - Google Patents
多孔質膜、複合膜及び多孔質膜の製造方法 Download PDFInfo
- Publication number
- JP7435438B2 JP7435438B2 JP2020500226A JP2020500226A JP7435438B2 JP 7435438 B2 JP7435438 B2 JP 7435438B2 JP 2020500226 A JP2020500226 A JP 2020500226A JP 2020500226 A JP2020500226 A JP 2020500226A JP 7435438 B2 JP7435438 B2 JP 7435438B2
- Authority
- JP
- Japan
- Prior art keywords
- porous membrane
- polyvinylidene fluoride
- fluoride resin
- polymer
- branched
- 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
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
- B01D71/34—Polyvinylidene fluoride
-
- 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
-
- 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
- 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
- B01D69/1071—Woven, non-woven or net mesh
-
- 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
- B01D69/108—Inorganic 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
- 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
- B01D69/1213—Laminated layers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- 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
- B01D2323/15—Use of additives
- B01D2323/218—Additive materials
- B01D2323/2182—Organic additives
- B01D2323/21839—Polymeric additives
- B01D2323/2187—Polyvinylpyrolidone
-
- 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
- B01D2325/20—Specific permeability or cut-off range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/30—Chemical resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/34—Molecular weight or degree of polymerisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/52—Crystallinity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/16—Homopolymers or copolymers of vinylidene fluoride
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018242771 | 2018-12-26 | ||
| JP2018242771 | 2018-12-26 | ||
| PCT/JP2019/050576 WO2020138065A1 (ja) | 2018-12-26 | 2019-12-24 | 多孔質膜、複合膜及び多孔質膜の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020138065A1 JPWO2020138065A1 (ja) | 2021-11-04 |
| JPWO2020138065A5 JPWO2020138065A5 (https=) | 2022-11-25 |
| JP7435438B2 true JP7435438B2 (ja) | 2024-02-21 |
Family
ID=71127198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020500226A Active JP7435438B2 (ja) | 2018-12-26 | 2019-12-24 | 多孔質膜、複合膜及び多孔質膜の製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12097470B2 (https=) |
| EP (1) | EP3903914A4 (https=) |
| JP (1) | JP7435438B2 (https=) |
| KR (1) | KR102751586B1 (https=) |
| CN (1) | CN113195083B (https=) |
| AU (1) | AU2019415278B2 (https=) |
| WO (1) | WO2020138065A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230174230A (ko) * | 2021-04-28 | 2023-12-27 | 도레이 카부시키가이샤 | 중공사막 및 그 제조 방법 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010032808A1 (ja) | 2008-09-19 | 2010-03-25 | 東レ株式会社 | 分離膜およびその製造方法 |
| JP2010526885A (ja) | 2006-11-21 | 2010-08-05 | アーケマ・インコーポレイテッド | 耐苛性膜 |
| JP2013202461A (ja) | 2012-03-27 | 2013-10-07 | Asahi Kasei Chemicals Corp | 多孔質膜の製造方法 |
| WO2014142311A1 (ja) | 2013-03-15 | 2014-09-18 | 三菱レイヨン株式会社 | 樹脂組成物、製膜原液、多孔質膜、前記多孔質膜を用いた中空糸膜、水処理装置、電解質支持体、及びセパレーター |
| WO2015133364A1 (ja) | 2014-03-03 | 2015-09-11 | Jnc株式会社 | 複合微多孔質膜及びこれを用いたフィルター |
| JP2016510688A (ja) | 2013-03-04 | 2016-04-11 | アーケマ・インコーポレイテッド | 長鎖分岐状フルオロポリマー膜 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10316793A (ja) | 1997-05-19 | 1998-12-02 | Asahi Chem Ind Co Ltd | フッ化ビニリデン系樹脂製多孔質膜 |
| ATE433795T1 (de) | 2001-10-04 | 2009-07-15 | Toray Industries | Verfahren zur herstellung einer hohlfasermembran |
| 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 |
| CA2611116A1 (en) | 2005-06-20 | 2006-12-28 | Siemens Water Technologies Corp. | Cross linking treatment of polymer membranes |
| JP5436854B2 (ja) | 2006-04-19 | 2014-03-05 | 旭化成ケミカルズ株式会社 | 高耐久性pvdf多孔質膜及びその製造方法、並びに、これを用いた洗浄方法及び濾過方法 |
| CN101500695B (zh) | 2006-07-25 | 2012-09-26 | 东丽株式会社 | 氟树脂聚合物分离膜及其制备方法 |
| JP5223435B2 (ja) * | 2008-04-16 | 2013-06-26 | ダイキン工業株式会社 | 含フッ素ブロック共重合体 |
| JP5519684B2 (ja) * | 2008-10-28 | 2014-06-11 | アーケマ・インコーポレイテッド | 水分流動性ポリマー膜 |
| KR101068437B1 (ko) | 2008-12-30 | 2011-09-28 | 웅진케미칼 주식회사 | 투수도 및 내약품성이 우수한 다공성 pvdf 막 및 그 제조방법 |
| WO2013108816A1 (ja) | 2012-01-17 | 2013-07-25 | 電気化学工業株式会社 | 多層シート、太陽電池用バックシート及び太陽電池モジュール |
| JP5871234B2 (ja) * | 2012-03-23 | 2016-03-01 | 国立研究開発法人物質・材料研究機構 | 合成コラーゲンナノファイバーの製造方法 |
| JP2013198559A (ja) * | 2012-03-23 | 2013-10-03 | National Institute For Materials Science | 合成コラーゲンナノファイバーを含む止血材 |
| JP2014222601A (ja) * | 2013-05-13 | 2014-11-27 | 三菱レイヨン株式会社 | 非水二次電池負極用バインダー樹脂、非水二次電池負極用スラリー組成物、非水二次電池用負極、および非水二次電池 |
| US20180030293A1 (en) | 2015-02-20 | 2018-02-01 | Dic Corporation | Ink composition for organic light-emitting device and organic light-emitting device |
| KR20180042156A (ko) | 2015-08-18 | 2018-04-25 | 닛폰고세이가가쿠고교 가부시키가이샤 | 편광막 제조용 폴리비닐 알코올계 수지 입자 및 이의 제조 방법, 폴리비닐 알코올계 필름 및 이의 제조 방법, 편광막, 폴리비닐 알코올계 수지 입자 |
| MY184243A (en) * | 2015-10-02 | 2021-03-29 | Sdp Global Co Ltd | Absorbent resin composition and method for producing same |
| JP6938859B2 (ja) * | 2015-12-03 | 2021-09-22 | 三菱ケミカル株式会社 | ポリビニルアルコール系フィルムの製造方法及び偏光膜の製造方法 |
| WO2017163603A1 (ja) * | 2016-03-23 | 2017-09-28 | 国立大学法人北海道大学 | 椎間板治療用組成物 |
-
2019
- 2019-12-24 EP EP19903765.6A patent/EP3903914A4/en active Pending
- 2019-12-24 KR KR1020217019407A patent/KR102751586B1/ko active Active
- 2019-12-24 JP JP2020500226A patent/JP7435438B2/ja active Active
- 2019-12-24 WO PCT/JP2019/050576 patent/WO2020138065A1/ja not_active Ceased
- 2019-12-24 CN CN201980086204.2A patent/CN113195083B/zh active Active
- 2019-12-24 AU AU2019415278A patent/AU2019415278B2/en active Active
- 2019-12-24 US US17/413,734 patent/US12097470B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010526885A (ja) | 2006-11-21 | 2010-08-05 | アーケマ・インコーポレイテッド | 耐苛性膜 |
| WO2010032808A1 (ja) | 2008-09-19 | 2010-03-25 | 東レ株式会社 | 分離膜およびその製造方法 |
| JP2013202461A (ja) | 2012-03-27 | 2013-10-07 | Asahi Kasei Chemicals Corp | 多孔質膜の製造方法 |
| JP2016510688A (ja) | 2013-03-04 | 2016-04-11 | アーケマ・インコーポレイテッド | 長鎖分岐状フルオロポリマー膜 |
| WO2014142311A1 (ja) | 2013-03-15 | 2014-09-18 | 三菱レイヨン株式会社 | 樹脂組成物、製膜原液、多孔質膜、前記多孔質膜を用いた中空糸膜、水処理装置、電解質支持体、及びセパレーター |
| WO2015133364A1 (ja) | 2014-03-03 | 2015-09-11 | Jnc株式会社 | 複合微多孔質膜及びこれを用いたフィルター |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020138065A1 (ja) | 2020-07-02 |
| CN113195083A (zh) | 2021-07-30 |
| CN113195083B (zh) | 2022-12-27 |
| AU2019415278A1 (en) | 2021-07-15 |
| US12097470B2 (en) | 2024-09-24 |
| AU2019415278B2 (en) | 2025-03-13 |
| KR20210104737A (ko) | 2021-08-25 |
| KR102751586B1 (ko) | 2025-01-10 |
| US20220056235A1 (en) | 2022-02-24 |
| EP3903914A4 (en) | 2022-11-23 |
| EP3903914A1 (en) | 2021-11-03 |
| JPWO2020138065A1 (ja) | 2021-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5732719B2 (ja) | 分離膜およびその製造方法 | |
| Alsalhy | Hollow fiber ultrafiltration membranes prepared from blends of poly (vinyl chloride) and polystyrene | |
| TW201414537A (zh) | 微多孔膜及其製造方法 | |
| JPH11515036A (ja) | ポリテトラフルオロエチレンの高強度で空気透過性の膜 | |
| 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 | |
| JP7409072B2 (ja) | 多孔質膜、複合膜及び多孔質膜の製造方法 | |
| WO2019066061A1 (ja) | 多孔質中空糸膜及びその製造方法 | |
| JPWO2017217446A1 (ja) | 多孔質膜、及び多孔質膜の製造方法 | |
| JPS58114702A (ja) | ポリスルホン中空繊維膜 | |
| JP2009082882A (ja) | ポリフッ化ビニリデン系複合中空糸膜及びその製造方法 | |
| JP7435438B2 (ja) | 多孔質膜、複合膜及び多孔質膜の製造方法 | |
| CA2572492A1 (en) | Porous membrane for water treatment and method of manufacturing the same | |
| WO2020262490A1 (ja) | 多孔質膜および複合多孔質膜 | |
| JP7793987B2 (ja) | 多孔質膜及び複合膜 | |
| JPH0242102B2 (https=) | ||
| JP5292890B2 (ja) | 複合中空糸膜 | |
| WO2022249839A1 (ja) | 分離膜及びその製造方法 | |
| WO2012063669A1 (ja) | 分離膜の製造方法 | |
| JP7827213B2 (ja) | 分離膜及びその製造方法 | |
| CN117881468A (zh) | 多孔膜和制造多孔膜的方法 | |
| CN110475605A (zh) | 分离膜及分离膜的制造方法 | |
| WO2021106726A1 (ja) | 多孔質膜、複合膜及び多孔質膜又は複合膜の製造方法 | |
| JP2020171923A (ja) | 多孔質膜 | |
| JP2021186746A (ja) | 多孔質膜及び複合膜 | |
| JPS63190012A (ja) | ポリアクリロニトリル系中空糸膜及びその製法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221116 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20221116 |
|
| 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: 20240109 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240122 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 7435438 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |