JPWO2022181195A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2022181195A5 JPWO2022181195A5 JP2023502207A JP2023502207A JPWO2022181195A5 JP WO2022181195 A5 JPWO2022181195 A5 JP WO2022181195A5 JP 2023502207 A JP2023502207 A JP 2023502207A JP 2023502207 A JP2023502207 A JP 2023502207A JP WO2022181195 A5 JPWO2022181195 A5 JP WO2022181195A5
- Authority
- JP
- Japan
- Prior art keywords
- nonwoven fabric
- average pore
- layer
- pore size
- difference
- 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.)
- Granted
Links
- 239000010410 layer Substances 0.000 description 12
- 239000011148 porous material Substances 0.000 description 11
- 239000004745 nonwoven fabric Substances 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021027053 | 2021-02-24 | ||
| JP2021027053 | 2021-02-24 | ||
| PCT/JP2022/003206 WO2022181195A1 (ja) | 2021-02-24 | 2022-01-28 | 分離膜用不織布及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022181195A1 JPWO2022181195A1 (https=) | 2022-09-01 |
| JPWO2022181195A5 true JPWO2022181195A5 (https=) | 2023-04-17 |
| JP7474431B2 JP7474431B2 (ja) | 2024-04-25 |
Family
ID=83049219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023502207A Active JP7474431B2 (ja) | 2021-02-24 | 2022-01-28 | 分離膜用不織布及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230321611A1 (https=) |
| EP (1) | EP4299167B1 (https=) |
| JP (1) | JP7474431B2 (https=) |
| CN (1) | CN116249584A (https=) |
| WO (1) | WO2022181195A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115738755A (zh) * | 2022-12-01 | 2023-03-07 | 盐城海普润科技股份有限公司 | 闪蒸纺丝梯度孔结构超滤平板膜及其制备方法 |
| CN116834396B (zh) * | 2023-06-01 | 2024-07-16 | 广东冠豪新材料研发有限公司 | 一种无纺布及其制备方法与应用 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60238103A (ja) * | 1984-05-10 | 1985-11-27 | Awa Seishi Kk | 分離膜支持体 |
| JPS61222506A (ja) | 1985-03-29 | 1986-10-03 | Japan Vilene Co Ltd | 半透膜支持体及びその製造方法 |
| JPH04317729A (ja) * | 1991-04-18 | 1992-11-09 | Fuji Photo Film Co Ltd | 複合濾過膜 |
| JPH11347383A (ja) | 1998-06-05 | 1999-12-21 | Daio Paper Corp | 分離膜支持体およびその製造方法 |
| JP2000005576A (ja) * | 1998-06-23 | 2000-01-11 | Daicel Chem Ind Ltd | 水処理用分離膜 |
| JP2000024659A (ja) * | 1998-07-09 | 2000-01-25 | Daicel Chem Ind Ltd | 固液分離装置とその運転方法 |
| JP4442088B2 (ja) | 2001-12-10 | 2010-03-31 | 東レ株式会社 | 分離膜 |
| JP5579169B2 (ja) | 2009-04-30 | 2014-08-27 | 旭化成せんい株式会社 | 複合膜支持体及びこれを用いた複合膜 |
| EP2492001A4 (en) * | 2009-10-21 | 2014-07-09 | Mitsubishi Paper Mills Ltd | SUBSTRATE BODY FOR SEMI-PERMANENT MEMBRANE, SPIRAL-SEMICONDUCTIVE MEMBRANE ELEMENT AND METHOD FOR PRODUCING A SUBSTRATE BODY FOR A SEMI-PERMANENT MEMBRANE |
| EP2659955B1 (en) * | 2010-12-27 | 2018-03-21 | Hokuetsu Kishu Paper Co., Ltd. | Method for producing a wet-laid nonwoven fabric for semipermeable membrane supporting body, and method for identifying low-density defect of wet-laid nonwoven fabric |
| JP6284818B2 (ja) * | 2014-04-24 | 2018-02-28 | 株式会社ダイセル | 微細孔と取り扱い強度を有した多孔膜積層体及びその製造方法 |
| US20180178149A1 (en) * | 2016-12-22 | 2018-06-28 | Precision Custom Coatings, LLC | Multi-layer filter fabric |
| EP3897934A2 (en) * | 2018-12-17 | 2021-10-27 | Nitto Denko Corporation | Selectively permeable polymeric membrane |
-
2022
- 2022-01-28 EP EP22759237.5A patent/EP4299167B1/en active Active
- 2022-01-28 WO PCT/JP2022/003206 patent/WO2022181195A1/ja not_active Ceased
- 2022-01-28 US US18/016,512 patent/US20230321611A1/en active Pending
- 2022-01-28 JP JP2023502207A patent/JP7474431B2/ja active Active
- 2022-01-28 CN CN202280006283.3A patent/CN116249584A/zh active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Radjabian et al. | Advanced porous polymer membranes from self-assembling block copolymers | |
| US20100075101A1 (en) | Cast-on-Tricot Asymmetric and Composite Separation Membranes | |
| JPWO2022181195A5 (https=) | ||
| US20160001235A1 (en) | Filtration membranes | |
| Yalcinkaya et al. | Electrospun polyamide-6 nanofiber hybrid membranes for wastewater treatment | |
| TWI453062B (zh) | 脫鹽過濾材料 | |
| TWI657858B (zh) | 複合微多孔質膜、其製造方法及使用其的過濾器 | |
| JP6694326B2 (ja) | 複合膜 | |
| WO2011142726A1 (en) | Nanofiltration membrane | |
| CN111712317B (zh) | 反渗透膜、其制造方法及水处理模块 | |
| WO2014003171A1 (ja) | 分離膜および分離膜エレメント | |
| KR20160026070A (ko) | 기체분리막의 제조 방법 | |
| CN111644080B (zh) | 高亲水性纳米纤维涂层基纳滤膜及其制备方法 | |
| JPWO2018079511A1 (ja) | 分離膜エレメント | |
| KR102235320B1 (ko) | 역삼투막 및 이의 제조방법 | |
| KR101517653B1 (ko) | 크산텐계 화합물을 포함하는 고투과 유량 역삼투 분리막 및 이를 제조하는 방법 | |
| US20250256247A1 (en) | Composite semipermeable membrane and method for producing composite semipermeable membrane | |
| Low et al. | Water softening using a generic low cost nano-filtration membrane | |
| CN113564809B (zh) | 无纺布以及液体分离膜 | |
| Ahn et al. | Pore structure and separation properties of thin film composite forward osmosis membrane with different support structures | |
| Madaeni et al. | The influence of membrane formation parameters on structural morphology and performance of PES/PDMS composite membrane for gas separation | |
| CN111359456B (zh) | 一种用于海水淡化的线性-交联多元共聚聚酰胺反渗透膜及其制备方法 | |
| JPS5814904A (ja) | 液体分離膜の支持体シ−ト | |
| KR102457839B1 (ko) | 분리막의 제조방법 및 이에 의하여 제조된 분리막 | |
| KR101653414B1 (ko) | 내오염성이 우수한 폴리아마이드계 역삼투 분리막의 제조 방법 |