KR20260012218A - 다공질막, 적층체 및, 필터 엘리먼트 - Google Patents

다공질막, 적층체 및, 필터 엘리먼트

Info

Publication number
KR20260012218A
KR20260012218A KR1020257038480A KR20257038480A KR20260012218A KR 20260012218 A KR20260012218 A KR 20260012218A KR 1020257038480 A KR1020257038480 A KR 1020257038480A KR 20257038480 A KR20257038480 A KR 20257038480A KR 20260012218 A KR20260012218 A KR 20260012218A
Authority
KR
South Korea
Prior art keywords
porous membrane
laminate
bubble point
less
liquid
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
KR1020257038480A
Other languages
English (en)
Korean (ko)
Inventor
히로카즈 가타야마
아츠시 후쿠나가
히로유키 츠지와키
타카마사 하시모토
유타카 무라타
유타로 마츠카타
후미히로 하야시
카즈야 도쿠다
Original Assignee
스미토모덴코파인폴리머 가부시키가이샤
스미토모덴키고교가부시키가이샤
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 스미토모덴코파인폴리머 가부시키가이샤, 스미토모덴키고교가부시키가이샤 filed Critical 스미토모덴코파인폴리머 가부시키가이샤
Publication of KR20260012218A publication Critical patent/KR20260012218A/ko
Pending legal-status Critical Current

Links

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
    • B01D71/36—Polytetrafluoroethylene
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
KR1020257038480A 2023-05-22 2024-04-18 다공질막, 적층체 및, 필터 엘리먼트 Pending KR20260012218A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023084099 2023-05-22
JPJP-P-2023-084099 2023-05-22
PCT/JP2024/015432 WO2024241782A1 (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
KR20260012218A true KR20260012218A (ko) 2026-01-26

Family

ID=93589984

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257038480A Pending KR20260012218A (ko) 2023-05-22 2024-04-18 다공질막, 적층체 및, 필터 엘리먼트

Country Status (5)

Country Link
JP (1) JPWO2024241782A1 (https=)
KR (1) KR20260012218A (https=)
CN (1) CN121152673A (https=)
TW (1) TW202502933A (https=)
WO (1) WO2024241782A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011492A1 (en) 2005-07-18 2007-01-25 Gore Enterprise Holdings, Inc. Porous ptfe materials and articles produced therefrom
JP2015226877A (ja) 2014-05-30 2015-12-17 住友電工ファインポリマー株式会社 多孔質フィルタ
WO2020251912A1 (en) 2019-06-13 2020-12-17 W. L. Gore & Associates, Inc. Highly oriented expanded polytetrafluoroethylene with superior stiffness
WO2020251909A1 (en) 2019-06-13 2020-12-17 W. L. Gore & Associates, Inc. Lightweight expanded polytetrafluoroethylene membranes having high intrinsic strength and optical transparency
JP2021054892A (ja) 2019-09-27 2021-04-08 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
JP2021178948A (ja) 2020-05-08 2021-11-18 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5476589A (en) * 1995-03-10 1995-12-19 W. L. Gore & Associates, Inc. Porpous PTFE film and a manufacturing method therefor
JP3580790B2 (ja) * 2001-10-31 2004-10-27 宇明泰化工股▲ふん▼有限公司 非対称性多孔質ポリテトラフルオロエチレン膜とその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011492A1 (en) 2005-07-18 2007-01-25 Gore Enterprise Holdings, Inc. Porous ptfe materials and articles produced therefrom
JP2015226877A (ja) 2014-05-30 2015-12-17 住友電工ファインポリマー株式会社 多孔質フィルタ
WO2020251912A1 (en) 2019-06-13 2020-12-17 W. L. Gore & Associates, Inc. Highly oriented expanded polytetrafluoroethylene with superior stiffness
WO2020251909A1 (en) 2019-06-13 2020-12-17 W. L. Gore & Associates, Inc. Lightweight expanded polytetrafluoroethylene membranes having high intrinsic strength and optical transparency
JP2021054892A (ja) 2019-09-27 2021-04-08 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
JP2021178948A (ja) 2020-05-08 2021-11-18 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
고분자 논문집(Kobunshi Ronbunshu), Vol.66, No.12, pp.585-590(Dec., 2009)

Also Published As

Publication number Publication date
WO2024241782A1 (ja) 2024-11-28
JPWO2024241782A1 (https=) 2024-11-28
TW202502933A (zh) 2025-01-16
CN121152673A (zh) 2025-12-16

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