JP6172666B2 - 多孔質ポリテトラフルオロエチレン膜及びその製造方法 - Google Patents

多孔質ポリテトラフルオロエチレン膜及びその製造方法 Download PDF

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Publication number
JP6172666B2
JP6172666B2 JP2013138037A JP2013138037A JP6172666B2 JP 6172666 B2 JP6172666 B2 JP 6172666B2 JP 2013138037 A JP2013138037 A JP 2013138037A JP 2013138037 A JP2013138037 A JP 2013138037A JP 6172666 B2 JP6172666 B2 JP 6172666B2
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JP
Japan
Prior art keywords
porous
fluororesin
melting point
ptfe
polytetrafluoroethylene
Prior art date
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Application number
JP2013138037A
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English (en)
Japanese (ja)
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JP2015009220A (ja
JP2015009220A5 (https=
Inventor
文弘 林
文弘 林
彩 大矢
彩 大矢
寛之 辻脇
寛之 辻脇
敦史 宇野
敦史 宇野
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
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Sumitomo Electric Fine Polymer Inc
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.)
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Publication date
Priority to JP2013138037A priority Critical patent/JP6172666B2/ja
Application filed by Sumitomo Electric Fine Polymer Inc filed Critical Sumitomo Electric Fine Polymer Inc
Priority to PCT/JP2014/066555 priority patent/WO2015002001A1/ja
Priority to CN201480003280.XA priority patent/CN104822441B/zh
Priority to US14/758,641 priority patent/US9695291B2/en
Priority to EP14819487.1A priority patent/EP3017860B1/en
Priority to KR1020157011232A priority patent/KR20160026820A/ko
Priority to TW103122633A priority patent/TWI613244B/zh
Publication of JP2015009220A publication Critical patent/JP2015009220A/ja
Publication of JP2015009220A5 publication Critical patent/JP2015009220A5/ja
Application granted granted Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0083—Thermal after-treatment
    • 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
    • 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
    • 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
    • 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
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • 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
    • 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. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2013138037A 2013-07-01 2013-07-01 多孔質ポリテトラフルオロエチレン膜及びその製造方法 Active JP6172666B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2013138037A JP6172666B2 (ja) 2013-07-01 2013-07-01 多孔質ポリテトラフルオロエチレン膜及びその製造方法
CN201480003280.XA CN104822441B (zh) 2013-07-01 2014-06-23 多孔聚四氟乙烯膜及其制造方法
US14/758,641 US9695291B2 (en) 2013-07-01 2014-06-23 Porous polytetrafluoroethylene film and method for producing same
EP14819487.1A EP3017860B1 (en) 2013-07-01 2014-06-23 Method for producing a porous polytetrafluoroethylene film
PCT/JP2014/066555 WO2015002001A1 (ja) 2013-07-01 2014-06-23 多孔質ポリテトラフルオロエチレン膜及びその製造方法
KR1020157011232A KR20160026820A (ko) 2013-07-01 2014-06-23 다공질 폴리테트라플루오로에틸렌막 및 그의 제조 방법
TW103122633A TWI613244B (zh) 2013-07-01 2014-07-01 多孔質聚四氟乙烯膜及其製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013138037A JP6172666B2 (ja) 2013-07-01 2013-07-01 多孔質ポリテトラフルオロエチレン膜及びその製造方法

Publications (3)

Publication Number Publication Date
JP2015009220A JP2015009220A (ja) 2015-01-19
JP2015009220A5 JP2015009220A5 (https=) 2015-06-11
JP6172666B2 true JP6172666B2 (ja) 2017-08-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013138037A Active JP6172666B2 (ja) 2013-07-01 2013-07-01 多孔質ポリテトラフルオロエチレン膜及びその製造方法

Country Status (7)

Country Link
US (1) US9695291B2 (https=)
EP (1) EP3017860B1 (https=)
JP (1) JP6172666B2 (https=)
KR (1) KR20160026820A (https=)
CN (1) CN104822441B (https=)
TW (1) TWI613244B (https=)
WO (1) WO2015002001A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6920042B2 (ja) 2016-09-30 2021-08-18 日東電工株式会社 エアフィルタ濾材、エアフィルタパック及びエアフィルタユニット
US12577426B2 (en) * 2021-12-10 2026-03-17 Saint-Gobain Performance Plastics Corporation Polymer composition and methods of making and using the same
CN118475644A (zh) * 2022-01-20 2024-08-09 住友电工超效能高分子股份有限公司 多孔膜、多孔膜层叠体和多孔膜的制造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071609A (en) * 1986-11-26 1991-12-10 Baxter International Inc. Process of manufacturing porous multi-expanded fluoropolymers
JP2814574B2 (ja) * 1989-06-15 1998-10-22 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およびその製造方法
JP2533229B2 (ja) * 1989-09-12 1996-09-11 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
CA2025090C (en) 1989-09-12 1997-06-24 Akira Harada Porous material of polytetrafluoroethylene and process for producing the same
US5234751A (en) * 1989-09-12 1993-08-10 Sumitomo Electric Industries, Ltd. Porous material of polytetrafluoroethylene and process for producing the same
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
US5510176A (en) * 1991-07-04 1996-04-23 Mitsubishi Kasei Corporation Polytetrafluoroethylene porous film
CA2074349C (en) 1991-07-23 2004-04-20 Shinji Tamaru Polytetrafluoroethylene porous film and preparation and use thereof
US5772884A (en) 1993-01-25 1998-06-30 Daikin Industries, Ltd. Porous polytetrafluoroethylene film and process for preparation thereof
JP3273735B2 (ja) * 1996-05-17 2002-04-15 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、シート状ポリテトラフルオロエチレン成形体、並びに、エアーフィルター用濾材
KR101453404B1 (ko) 2006-08-09 2014-10-22 스미토모덴코파인폴리머 가부시키가이샤 불소 수지 복합체의 제조 방법
JP5658860B2 (ja) * 2008-05-12 2015-01-28 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濾材
JP2010094579A (ja) * 2008-10-14 2010-04-30 Sumitomo Electric Fine Polymer Inc 多孔質フッ素樹脂薄膜の製造方法及び多孔質フッ素樹脂薄膜
JPWO2010092938A1 (ja) 2009-02-16 2012-08-16 住友電工ファインポリマー株式会社 多孔質複層フィルターおよびその製造方法
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JP2012045524A (ja) * 2010-08-30 2012-03-08 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
CN103100310B (zh) 2013-01-29 2015-03-18 浙江理工大学 一种膜吸收用聚四氟乙烯中空纤维膜的制备方法

Also Published As

Publication number Publication date
EP3017860A4 (en) 2017-02-15
CN104822441A (zh) 2015-08-05
TWI613244B (zh) 2018-02-01
EP3017860A1 (en) 2016-05-11
US20150337098A1 (en) 2015-11-26
TW201512276A (zh) 2015-04-01
KR20160026820A (ko) 2016-03-09
US9695291B2 (en) 2017-07-04
WO2015002001A1 (ja) 2015-01-08
JP2015009220A (ja) 2015-01-19
CN104822441B (zh) 2018-01-30
EP3017860B1 (en) 2019-05-08

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