KR20260013939A - 적층체 및 필터 엘리먼트 - Google Patents

적층체 및 필터 엘리먼트

Info

Publication number
KR20260013939A
KR20260013939A KR1020257038482A KR20257038482A KR20260013939A KR 20260013939 A KR20260013939 A KR 20260013939A KR 1020257038482 A KR1020257038482 A KR 1020257038482A KR 20257038482 A KR20257038482 A KR 20257038482A KR 20260013939 A KR20260013939 A KR 20260013939A
Authority
KR
South Korea
Prior art keywords
laminate
membrane
support membrane
support
less
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
KR1020257038482A
Other languages
English (en)
Korean (ko)
Inventor
히로카즈 가타야마
아츠시 후쿠나가
히로유키 츠지와키
유타로 마츠카타
타카마사 하시모토
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 KR20260013939A publication Critical patent/KR20260013939A/ko
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/36Polytetrafluoroethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1213Laminated layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/22Thermal or heat-resistance properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
KR1020257038482A 2023-05-22 2024-04-18 적층체 및 필터 엘리먼트 Pending KR20260013939A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023084101 2023-05-22
JPJP-P-2023-084101 2023-05-22
PCT/JP2024/015434 WO2024241784A1 (ja) 2023-05-22 2024-04-18 積層体及びフィルターエレメント

Publications (1)

Publication Number Publication Date
KR20260013939A true KR20260013939A (ko) 2026-01-29

Family

ID=93589949

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257038482A Pending KR20260013939A (ko) 2023-05-22 2024-04-18 적층체 및 필터 엘리먼트

Country Status (5)

Country Link
JP (1) JPWO2024241784A1 (https=)
KR (1) KR20260013939A (https=)
CN (1) CN121240970A (https=)
TW (1) TW202500256A (https=)
WO (1) WO2024241784A1 (https=)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3539440B2 (ja) * 1994-04-11 2004-07-07 住友電気工業株式会社 ポリテトラフルオロエチレン多孔質体とその製造方法
JP5364945B2 (ja) * 2009-09-04 2013-12-11 住友電工ファインポリマー株式会社 ポリテトラフルオロエチレン多孔質膜、多孔質フッ素樹脂膜複合体及びそれらの製造方法
US20110223486A1 (en) * 2010-03-12 2011-09-15 Xiaomin Zhang Biaxially oriented porous membranes, composites, and methods of manufacture and use
US20140231340A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Composite including ptfe membrane
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
US20160075914A1 (en) * 2014-09-12 2016-03-17 W. L. Gore & Associates, Inc. Porous Air Permeable Polytetrafluoroethylene Composites with Improved Mechanical and Thermal Properties
JP6409488B2 (ja) * 2014-10-15 2018-10-24 住友電気工業株式会社 多孔質積層体
KR20190062168A (ko) * 2017-11-28 2019-06-05 주식회사 엘지화학 불소계 수지 다공성 막의 제조방법
KR20240155222A (ko) * 2022-02-28 2024-10-28 스미토모덴코파인폴리머 가부시키가이샤 다공질막 적층체

Also Published As

Publication number Publication date
TW202500256A (zh) 2025-01-01
CN121240970A (zh) 2025-12-30
JPWO2024241784A1 (https=) 2024-11-28
WO2024241784A1 (ja) 2024-11-28

Similar Documents

Publication Publication Date Title
KR101353726B1 (ko) 폴리테트라플루오로에틸렌 다공질막의 제조 방법과 필터 여과재 및 필터 유닛
KR101918204B1 (ko) 폴리테트라플루오로에틸렌 다공질막 및 에어 필터 여과재
TWI526243B (zh) Porous multi - layer filter
TWI503162B (zh) 聚乙烯膜片
CN103649190B (zh) 聚四氟乙烯多孔膜的制造方法
KR20190054079A (ko) 에어 필터 여과재, 에어 필터 팩 및 에어 필터 유닛
GB2461619A (en) Method of making a porous membrane using first and second PTFE resins
KR20190056373A (ko) 에어 필터 여과재, 에어 필터 팩 및 에어 필터 유닛
JP2014042869A (ja) 多孔質複層フィルター
US11872531B2 (en) Fluorine-based resin porous membrane and method for preparing the same
EP3804832A1 (en) Filter medium and filter unit including same
KR20260013939A (ko) 적층체 및 필터 엘리먼트
US20250108340A1 (en) Porous membrane, porous membrane laminate, and method of manufacturing porous membrane
EP4467231A1 (en) Porous membrane and porous membrane laminate
KR20240155222A (ko) 다공질막 적층체
KR20260012219A (ko) 다공질막, 적층체 및, 필터 엘리먼트
KR20260012218A (ko) 다공질막, 적층체 및, 필터 엘리먼트
KR20150079114A (ko) 두께균일성이 향상된 2축연신 다공성 ptfe 분리막의 제조방법 및 이를 통해 제조된 2축연신 다공성 ptfe 분리막
JP2012192308A (ja) 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及び濾過装置

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

Q12 Application published

Free format text: ST27 STATUS EVENT CODE: A-1-1-Q10-Q12-NAP-PG1501 (AS PROVIDED BY THE NATIONAL OFFICE)