CN121240920A - 多孔膜、层叠体和过滤元件 - Google Patents

多孔膜、层叠体和过滤元件

Info

Publication number
CN121240920A
CN121240920A CN202480033995.3A CN202480033995A CN121240920A CN 121240920 A CN121240920 A CN 121240920A CN 202480033995 A CN202480033995 A CN 202480033995A CN 121240920 A CN121240920 A CN 121240920A
Authority
CN
China
Prior art keywords
bubble point
porous
less
average bubble
porous film
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.)
Pending
Application number
CN202480033995.3A
Other languages
English (en)
Chinese (zh)
Inventor
片山宽一
福永笃史
十胁宽之
松方裕太郎
村田丰
桥本隆昌
林文弘
德田一弥
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.)
Sumitomo Electric Fine Polymer Inc
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Fine Polymer Inc
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Fine Polymer Inc, Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Fine Polymer Inc
Publication of CN121240920A publication Critical patent/CN121240920A/zh
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • 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
    • 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
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/22—Thermal or heat-resistance properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CN202480033995.3A 2023-05-22 2024-04-18 多孔膜、层叠体和过滤元件 Pending CN121240920A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-084100 2023-05-22
JP2023084100 2023-05-22
PCT/JP2024/015433 WO2024241783A1 (ja) 2023-05-22 2024-04-18 多孔質膜、積層体、及びフィルターエレメント

Publications (1)

Publication Number Publication Date
CN121240920A true CN121240920A (zh) 2025-12-30

Family

ID=93589946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480033995.3A Pending CN121240920A (zh) 2023-05-22 2024-04-18 多孔膜、层叠体和过滤元件

Country Status (5)

Country Link
JP (1) JPWO2024241783A1 (https=)
KR (1) KR20260012219A (https=)
CN (1) CN121240920A (https=)
TW (1) TW202500255A (https=)
WO (1) WO2024241783A1 (https=)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689165B2 (ja) * 1990-01-29 1994-11-09 ダイキン工業株式会社 ポリテトラフルオロエチレン多孔膜およびその製造方法
US7306729B2 (en) 2005-07-18 2007-12-11 Gore Enterprise Holdings, Inc. Porous PTFE materials and articles produced therefrom
JP2010058025A (ja) * 2008-09-02 2010-03-18 Fujifilm Corp 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
JP6006783B2 (ja) * 2012-04-11 2016-10-12 住友電工ファインポリマー株式会社 フッ素樹脂製微細孔径膜、その製造方法、及び前記フッ素樹脂製微細孔径膜を用いたフィルターエレメント
JP6338054B2 (ja) 2014-05-30 2018-06-06 住友電工ファインポリマー株式会社 多孔質フィルタの製造方法
ES3013251T3 (en) 2019-06-13 2025-04-11 Gore & Ass Lightweight expanded polytetrafluoroethylene membranes having high intrinsic strength and optical transparency
JP7699062B2 (ja) 2019-06-13 2025-06-26 ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド 優れた剛性を有する高配向延伸ポリテトラフルオロエチレン
JP7316893B2 (ja) 2019-09-27 2023-07-28 三井・ケマーズ フロロプロダクツ株式会社 高強度小孔径のポリテトラフルオロエチレン多孔膜
JP7606882B2 (ja) 2020-05-08 2024-12-26 三井・ケマーズ フロロプロダクツ株式会社 高強度小孔径のポリテトラフルオロエチレン及び／または変性ポリテトラフルオロエチレンからなる多孔膜

Also Published As

Publication number Publication date
JPWO2024241783A1 (https=) 2024-11-28
WO2024241783A1 (ja) 2024-11-28
TW202500255A (zh) 2025-01-01
KR20260012219A (ko) 2026-01-26

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