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WO2009072373A1 - ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ - Google Patents

ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ Download PDF

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Publication number
WO2009072373A1
WO2009072373A1 PCT/JP2008/070509 JP2008070509W WO2009072373A1 WO 2009072373 A1 WO2009072373 A1 WO 2009072373A1 JP 2008070509 W JP2008070509 W JP 2008070509W WO 2009072373 A1 WO2009072373 A1 WO 2009072373A1
Authority
WO
WIPO (PCT)
Prior art keywords
porous material
production
water
polytetrafluoroethylene film
porous polytetrafluoroethylene
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.)
Ceased
Application number
PCT/JP2008/070509
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English (en)
French (fr)
Inventor
Shunichi Shimatani
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to CN2008801195989A priority Critical patent/CN101888928B/zh
Priority to EP08856796.1A priority patent/EP2223801B1/en
Priority to KR1020107014962A priority patent/KR101483327B1/ko
Priority to US12/745,818 priority patent/US8419839B2/en
Publication of WO2009072373A1 publication Critical patent/WO2009072373A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • 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—Polytetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/516—Oriented mono-axially
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • B32B2327/00—Polyvinylhalogenides
    • B32B2327/12—Polyvinylhalogenides containing fluorine
    • B32B2327/18—PTFE, i.e. 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
    • B32B2509/00—Household appliances
    • 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
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter
    • 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
    • B32B2605/00—Vehicles
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

　まず、標準比重が２．１５５以上のポリテトラフルオロエチレンからなるシートを一軸方向に延伸して第１多孔体を得るとともに、ポリテトラフルオロエチレンからなるシートを二軸方向に延伸して第２多孔体を得る。次いで、第１多孔体と第２多孔体との積層体をポリテトラフルオロエチレンの融点以上に加熱しながら前記一軸方向と同方向に延伸して第１多孔体と第２多孔体とを一体化することにより、ポリテトラフルオロエチレン多孔質膜を製造する。
PCT/JP2008/070509 2007-12-07 2008-11-11 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ Ceased WO2009072373A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801195989A CN101888928B (zh) 2007-12-07 2008-11-11 聚四氟乙烯多孔膜及其制造方法以及防水透气过滤器
EP08856796.1A EP2223801B1 (en) 2007-12-07 2008-11-11 Porous polytetrafluoroethylene film, method for production thereof, and water-proof breathable filter
KR1020107014962A KR101483327B1 (ko) 2007-12-07 2008-11-11 폴리테트라플루오로에틸렌 다공질막과 그 제조 방법, 및 방수 통기 필터
US12/745,818 US8419839B2 (en) 2007-12-07 2008-11-11 Porous polytetrafluoroethylene membrane, method for producing the same, and water-proof air permeable filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-316715 2007-12-07
JP2007316715A JP5133039B2 (ja) 2007-12-07 2007-12-07 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ

Publications (1)

Publication Number Publication Date
WO2009072373A1 true WO2009072373A1 (ja) 2009-06-11

Family

ID=40717554

Family Applications (1)

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PCT/JP2008/070509 Ceased WO2009072373A1 (ja) 2007-12-07 2008-11-11 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ

Country Status (6)

Country Link
US (1) US8419839B2 (ja)
EP (1) EP2223801B1 (ja)
JP (1) JP5133039B2 (ja)
KR (1) KR101483327B1 (ja)
CN (1) CN101888928B (ja)
WO (1) WO2009072373A1 (ja)

Cited By (2)

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WO2010052976A1 (ja) * 2008-11-04 2010-05-14 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ
US8834656B2 (en) * 2012-05-11 2014-09-16 Entire Technology Co., Ltd. Manufacturing method of porous composite film

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WO2012086725A1 (ja) * 2010-12-21 2012-06-28 ダイキン工業株式会社 延伸材料
EP2492128B1 (en) * 2011-02-22 2013-08-07 Inergy Automotive Systems Research (Société Anonyme) Ammonia precursor storage system including a semi-permeable membrane
KR101918204B1 (ko) * 2011-07-05 2018-11-14 닛토덴코 가부시키가이샤 폴리테트라플루오로에틸렌 다공질막 및 에어 필터 여과재
JP6039673B2 (ja) 2011-09-23 2016-12-07 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Ｗ．Ｌ． Ｇｏｒｅ ＆ Ａｓｓｏｃｉａｔｅｓ， Ｉｎｃｏｒｐｏｒａｔｅｄ 表面変性フルオロポリマーメンブレン及びその製造方法
CN103175184A (zh) * 2011-12-20 2013-06-26 威方科技(苏州)有限公司 一种led透气膜
CN104159743B (zh) 2012-12-11 2016-03-30 阿莫绿色技术有限公司 防水传声片材及其生产方法
WO2014092462A1 (ko) * 2012-12-11 2014-06-19 주식회사 아모그린텍 방수통음시트 및 이의 제조 방법
US20140231340A1 (en) * 2013-02-15 2014-08-21 Pall Corporation Composite including ptfe membrane
US20140277467A1 (en) 2013-03-14 2014-09-18 Spinal Stabilization Technologies, Llc Prosthetic Spinal Disk Nucleus
JP2014184418A (ja) * 2013-03-25 2014-10-02 Nitto Denko Corp 防水通気構造、防水通気部材及び防水通気膜
JP6132615B2 (ja) * 2013-03-26 2017-05-24 日東電工株式会社 通気部材
US10368153B2 (en) 2013-11-18 2019-07-30 Nitto Denko Corporation Waterproof sound-transmitting membrane and waterproof sound-transmitting structure using the same
US10786360B2 (en) 2014-11-04 2020-09-29 Spinal Stabilization Technologies Llc Percutaneous implantable nuclear prosthesis
AU2015343171B2 (en) 2014-11-04 2020-08-06 Spinal Stabilization Technologies Llc Percutaneous implantable nuclear prosthesis
CN104984853A (zh) * 2015-07-17 2015-10-21 苏州金威特工具有限公司 电动喷雾器喷头
CN104984852A (zh) * 2015-07-17 2015-10-21 苏州金威特工具有限公司 电动喷雾器喷头
CN104984851A (zh) * 2015-07-17 2015-10-21 苏州金威特工具有限公司 电动喷雾器喷头
WO2017040734A1 (en) 2015-09-01 2017-03-09 Spinal Stabilization Technologies Llc Implantable nuclear prosthesis
US9486323B1 (en) 2015-11-06 2016-11-08 Spinal Stabilization Technologies Llc Nuclear implant apparatus and method following partial nuclectomy
US10734657B2 (en) * 2017-02-28 2020-08-04 Nissan North America, Inc. Stretched catalyst layer having porous ionomer film and method of producing same
EP3726947B1 (en) * 2017-12-11 2024-04-17 Nitto Denko Corporation Internal pressure adjustment member and electrical component for transport device
JP2019192749A (ja) * 2018-04-24 2019-10-31 日本ゴア株式会社 電子部品用ポリテトラフルオロエチレン膜
KR20210014137A (ko) * 2018-06-01 2021-02-08 닛토덴코 가부시키가이샤 필터 여과재와, 이를 구비하는 필터 유닛
JP7457712B2 (ja) 2018-09-04 2024-03-28 スパイナル スタビライゼーション テクノロジーズ リミテッド ライアビリティ カンパニー 植込み可能な髄核補綴物、キット、および関連する方法
JP6590350B1 (ja) * 2018-11-15 2019-10-16 有限会社ヤマカツラボ 未焼成ポリテトラフルオロエチレンフィルム及びその多孔質膜の製造方法
EP3983196B1 (en) * 2019-06-13 2024-12-25 W. L. Gore & Associates, Inc. Highly oriented expanded polytetrafluoroethylene with superior stiffness
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
KR102740214B1 (ko) * 2021-01-19 2024-12-09 주식회사 아모그린텍 방수 통음 시트

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KR20100103557A (ko) 2010-09-27
EP2223801B1 (en) 2016-07-20
CN101888928A (zh) 2010-11-17
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