JP2023525531A - 積層された単層複合膜を形成する方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 30
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (23)
- 第1の多孔質ポリマー層と、
第1の多孔質ポリマー層と共に積層された第2の多孔質ポリマー層と、
を含み、
接着剤を含まない複合膜。 - 第1の多孔質ポリマー層、第2の多孔質ポリマー層、又はその両方が、ポリアミド、ポリスルホン、ポリエーテルスルホン、及びポリオレフィンからなる群から選択され、第1の多孔質ポリマー層及び第2の多孔質ポリマー層が異なる、請求項1に記載の複合膜。
- 第1の多孔質ポリマー層が、20μm未満の厚さを有する、請求項1又は2に記載の複合膜。
- 第1の多孔質ポリマー層が、延伸ポリエチレン層である、請求項3に記載の複合膜。
- 第2の多孔質ポリマー層が、約50μm~約200μmの厚さを有するポリオレフィン層である、請求項1から4のいずれかに記載の複合膜。
- ポリオレフィン層が、超高分子量ポリエチレン(UHMWPE)層である、請求項5に記載の複合膜。
- 複合膜が、第1の多孔質ポリマー層と第2の多孔質ポリマー層との非積層複合材の流量の90%以上の流量を有する、請求項1から6のいずれかに記載の複合膜。
- 複合膜が、第1の多孔質ポリマー層と第2の多孔質ポリマー層との非積層複合材のフロー時間の20%以下のフロー時間の増加を有する、請求項1から7のいずれかに記載の複合膜。
- 第1の多孔質ポリマー層が第1の泡立ち点を有し、第2の多孔質ポリマー層が第2の泡立ち点を有し、第1の泡立ち点が第2の泡立ち点よりも高く、複合膜が、第1の多孔質ポリマー層の第1の泡立ち点の90%以上である泡立ち点を有する、請求項1から8のいずれかに記載の複合膜。
- 第1の多孔質ポリマーを含み、約20μm未満の厚さを有する第1の領域と、
第2の多孔質ポリマーを含み、約50μm~約200μmの厚さを有する第2の領域と、
を含み、
第2の多孔質ポリマーが第1の多孔質ポリマーとは異なり、
第1の領域と第2の領域との間に層間領域が存在しない、複合膜。 - 第1の領域、第2の領域、又は第1の領域と第2の領域の両方が、多孔質圧縮領域を含む、請求項10に記載の複合膜。
- 第1の多孔質ポリマーが延伸ポリエチレンである、請求項10又は11に記載の複合膜。
- 第2の多孔質ポリマーがポリオレフィンである、請求項10~12のいずれかに記載の複合膜。
- 複合膜を形成する方法であって、
i)ラミネーターに第1の多孔質ポリマー層及び第2の多孔質ポリマー層を提供することと、
ii)ラミネーターにおいて、第1の多孔質ポリマー層及び第2の多孔質ポリマー層を積層温度に加熱することと、
iii)加熱された第1の多孔質ポリマー層及び加熱された第2のポリマー層を接着剤を用いることなく積層して、複合膜を形成することと、
を含む、方法。 - 積層中又は積層後に複合膜を圧縮することをさらに含む、請求項14に記載の方法。
- 第1の多孔質ポリマー層が、20μm未満の厚さを有する超薄多孔質ポリマー層である、請求項14又は15に記載の方法。
- 超薄多孔質ポリマー層が延伸ポリエチレン層である、請求項16に記載の方法。
- 第2の多孔質ポリマー層が、約50μm~約200μmの厚さを有するポリオレフィン層である、請求項14から17のいずれかに記載の方法。
- ポリオレフィン層が、超高分子量ポリエチレン(UHMWPE)層である、請求項18に記載の方法。
- 第1の多孔質ポリマー層が第1の溶融温度を有し、第1の多孔質ポリマー層が第1の溶融温度を5℃と20℃との間下回る温度に加熱される、請求項14~19のいずれかに記載の方法。
- 第2の多孔質ポリマー層が第2の溶融温度を有し、第2の多孔質ポリマー層が第2の溶融温度を5℃と20℃との間下回る温度に加熱される、請求項14~20のいずれかに記載の方法。
- 複合膜が、第1の多孔質ポリマー層と第2の多孔質ポリマー層との非積層複合材の流量の90%以上の流量を有する、請求項14~21のいずれかに記載の方法。
- 請求項1~13のいずれかに記載の複合膜を含むフィルタ。
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US202063025660P | 2020-05-15 | 2020-05-15 | |
US63/025,660 | 2020-05-15 | ||
PCT/US2021/032548 WO2021231926A1 (en) | 2020-05-15 | 2021-05-14 | Method of forming a laminated single layer composite membrane |
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EP (1) | EP4149664A4 (ja) |
JP (1) | JP2023525531A (ja) |
KR (1) | KR20230010689A (ja) |
CN (2) | CN216418968U (ja) |
IL (1) | IL298078B1 (ja) |
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US5366631A (en) | 1992-02-10 | 1994-11-22 | Pall Corporation | Composite, supported fluorocarbon media |
DE602005027119D1 (de) * | 2004-12-22 | 2011-05-05 | Entegris Inc | Mehrlagige poröse membran und herstellungsverfahren |
JP5148093B2 (ja) * | 2005-09-28 | 2013-02-20 | 東レバッテリーセパレータフィルム株式会社 | ポリエチレン多層微多孔膜及びその製造方法、並びに電池用セパレータ |
DE102008019085A1 (de) | 2008-04-15 | 2009-10-22 | Microdyn - Nadir Gmbh | Filterverbundmaterial, Verfahren zu seiner Herstellung sowie aus dem Filterverbundmaterial hergestellte Flachfilterelemente |
EP2111910A1 (en) * | 2008-04-24 | 2009-10-28 | Tonen Chemical Corporation | System And Process For Producing A Multilayer Microporous Membrane |
US8771569B2 (en) | 2009-01-09 | 2014-07-08 | Teijin Aramid B.V. | Polyethylene film and method for the manufacture thereof |
RU2013130243A (ru) | 2010-12-03 | 2015-01-10 | Тейджин Арамид Б.В. | Высокомолекулярный полиэтилен |
US8820540B2 (en) * | 2011-01-28 | 2014-09-02 | Woongjin Chemical Co., Ltd. | Method for preparing a filtration membrane and filtration membrane prepared by said method |
WO2013082381A1 (en) * | 2011-12-02 | 2013-06-06 | W. L. Gore & Associates, Inc. | Heat-stabilized composite filter media and method of making the filter media |
US20150273401A1 (en) | 2012-11-30 | 2015-10-01 | Empire Technology Development Llc | Selective membrane supported on nanoporous graphene |
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US20210354092A1 (en) | 2021-11-18 |
TW202214343A (zh) | 2022-04-16 |
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