JP2022506202A - 高分子膜の改良及び高分子膜に関する改良 - Google Patents
高分子膜の改良及び高分子膜に関する改良 Download PDFInfo
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Abstract
Description
基板上に流動性組成物を与える工程であって、組成物は、少なくとも光活性化性モノマー分子、光活性化開始剤分子、及び光活性化クエンチャ分子を含む工程、組成物を局所的に重合するのに十分なエネルギーの1つ又は複数のレーザ光パルスを組成物における少なくとも1つの焦点に与える工程、並びに連続又は段階的な所定の方法で、既に重合した組成物に対し、複数の更なる位置へ焦点又は各焦点を移動させ、且つ従来の高分子膜の細孔と同じ大きさの非重合領域を残して組成物の3次元基質が重合されるよう、それらの更なる位置でパルスを反復する工程を含む、方法を提供する。
基板上に流動性組成物を与える工程であって、組成物は、少なくとも光活性化性モノマー分子、光活性化開始剤分子、及び光活性化クエンチャ分子を含む工程、
モノマーを局所的に重合するのに十分なエネルギーで1つ又は複数のレーザ光パルスを組成物における少なくとも1つの焦点に与える工程、並びに
連続又は段階的な所定の方法で、組成物に対し、複数の位置へ焦点又は各焦点を移動させ、且つ膜の細孔と同じ大きさの3次元の柱が形成されるよう、それらの位置でパルスを反復する工程
を含み、
非重合組成物を除去する工程、前記柱の周りの領域を膜材料で充填する工程、次いで膜材料から柱を除去して膜材料中に開孔を残す工程
を更に含む、方法を提供する。
一例において、流動性組成物100は、透明な光活性化性アクリラートモノマー樹脂を含み、最大で3%の、2,4,6-トリメチルベンゾイルジフェニルホスフィンオキサイド分子等のアシルホスフィンオキサイド、又はベンゾフェノン、キサントン、若しくはキノン、又はこれらの分子の組み合わせといった光活性化開始剤、及び第3級アミン分子といった光活性化クエンチャが添加される。レーザは、約800nmの出力波長を有する、パルス長が10~100フェムト秒(fs)のエキシプレックスレーザ(エキシマレーザとしても知られる)であってよいが、パルス長は、約40~60fs、例えば50fsが好ましく、可能な繰り返し率は約5MHzである。
12、22、32、112 細孔
100 組成物
105 油
114 連続小片
118 間質領域
120 縁部
121 ブレース
125 ガラス層
200、200’ 装置
202、211 レーザ
204、206 ミラー
208 レンズ
210、212 リニアアクチュエータ
220 基板
250 コントローラ
312 加工
318 残余、空孔
400 マイクロセンサ
411 線維
L パルス
P 焦点
Claims (15)
- 液体のろ過又は被験物質の捕捉に適する高分子多孔質膜を製造する方法であって、
基板(220)上に流動性組成物(100)を与える工程であって、組成物は、少なくとも光活性化性モノマー分子、光活性化開始剤分子、及び光活性化クエンチャ分子を含む工程、
組成物を局所的に重合するのに十分なエネルギーの1つ又は複数のレーザ光パルス(L)を組成物における少なくとも1つの焦点に与える工程、
連続又は段階的な所定の方法で、既に重合した組成物に対し、複数の更なる位置へ焦点又は各焦点を移動させる工程、並びに
従来の高分子膜の細孔と同じ大きさの非重合領域を残して組成物の3次元基質が重合されるよう、それらの更なる位置でパルスを反復する工程
を含む、方法。 - 基板を溶液、例えば溶液の槽中に浸漬するか、又はある量の溶液で繰り返し補充する、請求項1に記載の方法。
- レーザ光パルスは、レンズを通過するレーザ光の伝播方向に概ね平行なZ軸に沿って、1つ又は複数の焦点に光を集める対物レンズを介して、及び焦点又は各焦点を前記Z軸に対して横方向に、例えば前記Z軸に垂直なX軸に沿って及び/又はZ軸及びX軸に垂直なY軸で、移動させることができる更なる光学部材を介してレーザによって供給され、レーザ及び光学部材の制御により、第1の領域における前記複数の位置の少なくとも一部が与えられる、請求項1又は2に記載の方法。
- 基板及び重合した組成物を、前記レンズに対して少なくとも前記X、Y軸方向に再配置して、第2の領域に前記レーザ光パルスを照射する、請求項3に記載の方法。
- 長さの短いレーザパルスを用い、1パルス当たり約2個の光子吸収を生じさせる、請求項1から4のいずれか一項に記載の方法。
- 少なくとも1つの焦点は、分割されたレーザビーム及び/又は複数のレーザ光源に由来する複数の焦点である、請求項1から5のいずれか一項に記載の方法。
- 焦点は、線形配列又は2次元配列であり、所望される細孔間隔のピッチ又はピッチの倍数だけ間隔を空ける、請求項6に記載の方法。
- 焦点の線形又は2次元配列は、共に光学的に移動可能であり、その間隔を維持する、請求項7に記載の方法。
- 重合は、細孔壁(120)となるよう意図される場所でのみ行われ、重合した細孔壁間の間隙(118)の全て又は大部分は、重合しないままであり、方法が、膜の細孔に相当する領域から非重合組成物を除去する工程を更に含み、次いで、膜の全体若しくは実質的な部分に亘って、又はその連続する領域に重合用の光を当てることによって非重合の間隙を広範囲に光重合する工程を更に含み、前記更なる広範囲の光重合の前に膜の頂部及び底部を重合する工程を任意選択で含む、請求項1から8のいずれか一項に記載の方法。
- 前記間隙は、1つの細孔壁(120)を別の細孔壁(120)、例えば隣接する細孔壁(120)で支持するように作用する重合した特徴部(121)を含む、請求項9に記載の方法。
- 液体のろ過又は被験物質の捕捉に適する高分子多孔質膜を製造する方法であって、
基板上に流動性組成物を与える工程であって、組成物は、少なくとも光活性化性モノマー分子、光活性化開始剤分子、及び光活性化クエンチャ分子を含む工程、
モノマーを局所的に重合するのに十分なエネルギーの1つ又は複数のレーザ光パルスを組成物における少なくとも1つの焦点に与える工程、並びに
連続又は段階的な所定の方法で、組成物に対し、複数の位置へ焦点又は各焦点を移動させ、且つ膜の細孔と同じ大きさの3次元の柱が形成されるよう、それらの位置でパルスを反復する工程
を含み、
非重合組成物を除去する工程、前記柱の周りの領域を膜材料で充填する工程、次いで膜材料から柱を除去して膜材料中に開孔を残す工程
を更に含む、方法。 - 請求項1から11のいずれか一項に記載の方法を実施するよう動作可能な、多孔質膜を製造する装置。
- 完成したフィルタ膜を受けるロールを含む、請求項12に記載の装置。
- 液体のろ過又は被験物質の捕捉に適する高分子多孔質膜であって、光重合された膜材料、及び膜の一方の側から他方の側への流体経路にそれぞれ延びる多数の開孔を含み、任意選択で、請求項1から11のいずれか一項に記載の方法に従って製造される、高分子多孔質膜。
- 前記流体経路が非線形である、請求項14に記載の高分子多孔質膜。
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GBGB1817823.6A GB201817823D0 (en) | 2018-10-31 | 2018-10-31 | Improvements in and relating to polymer membranes |
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PCT/EP2019/079895 WO2020089421A1 (en) | 2018-10-31 | 2019-10-31 | Improvements in and relating to polymer membranes |
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US (1) | US12017185B2 (ja) |
EP (1) | EP3873651A1 (ja) |
JP (1) | JP2022506202A (ja) |
CN (1) | CN113039014A (ja) |
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WO2022112416A1 (en) | 2020-11-25 | 2022-06-02 | Universität Für Bodenkultur Wien | Novel chromatography bed |
WO2023148300A1 (en) | 2022-02-07 | 2023-08-10 | Cytiva Sweden Ab | Printed porous structure, method and apparatus for production thereof |
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DE3742770A1 (de) * | 1987-12-17 | 1989-06-29 | Akzo Gmbh | Mikro-/ultrafiltrationsmembranen mit definierter porengroesse durch bestrahlung mit gepulsten lasern und verfahren zur herstellung |
US5449917A (en) | 1992-02-06 | 1995-09-12 | Costar Corporation | Method and apparatus for forming a plurality of tracks in a flexible workpiece with a high energy particle |
JP2000262871A (ja) | 1999-01-11 | 2000-09-26 | Kawamura Inst Of Chem Res | 微小膜分離デバイス及びその製造方法 |
US7264723B2 (en) | 2002-11-01 | 2007-09-04 | Sandia Corporation | Dialysis on microchips using thin porous polymer membranes |
US20070131610A1 (en) * | 2005-12-13 | 2007-06-14 | General Electric Company | Membrane-based apparatus and associated method |
WO2010002502A2 (en) | 2008-06-30 | 2010-01-07 | 3M Innovative Properties Company | Method of forming a rewettable asymmetric membrane |
DE102010020158A1 (de) | 2010-05-11 | 2011-11-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung sowie Verfahren zur Erzeugung dreidimensionaler Strukturen |
WO2012057028A1 (ja) * | 2010-10-26 | 2012-05-03 | 東レ株式会社 | 分離膜、分離膜エレメントおよび分離膜の製造方法 |
GB201505417D0 (en) | 2015-03-30 | 2015-05-13 | Whatman Gmbh | Improvements in and relating to polymeric membranes |
DE102015210286A1 (de) * | 2015-06-03 | 2016-12-08 | 3D-Micromac Ag | Verfahren und Vorrichtung zur Herstellung eines strukturierten Elements sowie strukturiertes Element |
GB2551122A (en) * | 2016-06-02 | 2017-12-13 | Univ Southampton | Fluid flow device and method for making the same |
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- 2019-10-31 CN CN201980072021.5A patent/CN113039014A/zh active Pending
- 2019-10-31 EP EP19797706.9A patent/EP3873651A1/en active Pending
- 2019-10-31 WO PCT/EP2019/079895 patent/WO2020089421A1/en unknown
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CN113039014A (zh) | 2021-06-25 |
US20210346846A1 (en) | 2021-11-11 |
EP3873651A1 (en) | 2021-09-08 |
GB201817823D0 (en) | 2018-12-19 |
WO2020089421A1 (en) | 2020-05-07 |
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