DE69019694T2 - Verfahren zur Herstellung einer mehrschichtigen porösen Membran aus Polytetrafluoräthylen. - Google Patents

Verfahren zur Herstellung einer mehrschichtigen porösen Membran aus Polytetrafluoräthylen.

Info

Publication number
DE69019694T2
DE69019694T2 DE69019694T DE69019694T DE69019694T2 DE 69019694 T2 DE69019694 T2 DE 69019694T2 DE 69019694 T DE69019694 T DE 69019694T DE 69019694 T DE69019694 T DE 69019694T DE 69019694 T2 DE69019694 T2 DE 69019694T2
Authority
DE
Germany
Prior art keywords
polytetrafluoroethylene
producing
porous membrane
membrane made
multilayer porous
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.)
Expired - Fee Related
Application number
DE69019694T
Other languages
English (en)
Other versions
DE69019694D1 (de
Inventor
Shinji Tamaru
Katsutoshi Yamamoto
Osamu Tanaka
Hirofumi Nishibayashi
Osamu Inoue
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.)
Daikin Industries Ltd
Original Assignee
Daikin 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Application granted granted Critical
Publication of DE69019694D1 publication Critical patent/DE69019694D1/de
Publication of DE69019694T2 publication Critical patent/DE69019694T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B01D69/1212Coextruded layers
    • 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
    • B01D71/36Polytetrafluoroethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
DE69019694T 1989-12-07 1990-12-06 Verfahren zur Herstellung einer mehrschichtigen porösen Membran aus Polytetrafluoräthylen. Expired - Fee Related DE69019694T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1320273A JPH078926B2 (ja) 1989-12-07 1989-12-07 ポリテトラフルオロエチレン複層多孔膜の製造方法

Publications (2)

Publication Number Publication Date
DE69019694D1 DE69019694D1 (de) 1995-06-29
DE69019694T2 true DE69019694T2 (de) 1995-09-21

Family

ID=18119663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019694T Expired - Fee Related DE69019694T2 (de) 1989-12-07 1990-12-06 Verfahren zur Herstellung einer mehrschichtigen porösen Membran aus Polytetrafluoräthylen.

Country Status (12)

Country Link
US (1) US5064593A (de)
EP (1) EP0433787B1 (de)
JP (1) JPH078926B2 (de)
KR (1) KR0150640B1 (de)
CN (1) CN1030690C (de)
AU (1) AU623068B2 (de)
BR (1) BR9006236A (de)
CA (1) CA2031827C (de)
DE (1) DE69019694T2 (de)
ES (1) ES2075123T3 (de)
PL (1) PL165872B1 (de)
RU (1) RU2045328C1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061936A1 (de) * 2000-12-13 2002-07-04 Valentin Kramer Gegenstand aus ePTFE und Verfahren zum Herstellen desselben

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US5217666A (en) * 1991-05-29 1993-06-08 Daikin Industries Ltd. Process for producing porous polytetrafluoroethylene film
ES2038556B1 (es) * 1991-12-23 1994-02-16 Univ Cantabria Proceso de tratamiento biologico de aguas residuales basado en una biopelicula desarrollada sobre un soporte permeable a gases.
ES2133393T3 (es) * 1992-03-13 1999-09-16 Atrium Medical Corp Productos de fluoropolimeros (por ejemplo, politetrafluoroetileno) expandidos de porosidad controlada y su fabricacion.
WO1994003531A1 (en) * 1992-07-30 1994-02-17 Daikin Industries, Ltd. Porous polytetrafluoroethylene material and process for producing the same
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DE4308368C2 (de) * 1993-03-16 1997-05-22 Gore & Ass Poröses Polytetrafluorethylen (PTFE) sowie ein Verfahren zu seiner Herstellung
US5399307A (en) * 1993-06-18 1995-03-21 Dalton; Robert E. Methods of compression molding two or more polytetrafluoroethylene resin layers
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US5925074A (en) * 1996-12-03 1999-07-20 Atrium Medical Corporation Vascular endoprosthesis and method
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CN107666882B (zh) 2015-06-05 2020-01-10 W.L.戈尔及同仁股份有限公司 带有渐缩部的低渗血量可植入假体
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JP7055973B2 (ja) * 2016-12-09 2022-04-19 スリーエム イノベイティブ プロパティズ カンパニー ポリマー多層フィルム
WO2018220866A1 (ja) * 2017-06-01 2018-12-06 Hoya株式会社 単回使用内視鏡装置
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
KR102218062B1 (ko) 2018-10-18 2021-02-19 주식회사 엘지화학 불소계 수지 다공성 막 및 이의 제조방법
JP6661098B1 (ja) * 2019-01-28 2020-03-11 有限会社ヤマカツラボ 積層ポリテトラフルオロエチレン多孔膜及びその製法
CN112044278A (zh) * 2020-09-14 2020-12-08 浙江格尔泰斯环保特材科技股份有限公司 一种具有多层结构的ptfe微孔膜的制备方法
CN113368695B (zh) * 2021-06-10 2023-01-20 盐城海普润科技股份有限公司 有机复合管式膜及其制备方法和应用
CN113844141B (zh) * 2021-09-23 2023-09-15 上海索康医用材料有限公司 一种膨体聚四氟乙烯外科隔离膜及其制作工艺
JP2023061322A (ja) * 2021-10-19 2023-05-01 株式会社オートネットワーク技術研究所 導体被覆材料、電線、及び導体被覆材料の製造方法
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061936A1 (de) * 2000-12-13 2002-07-04 Valentin Kramer Gegenstand aus ePTFE und Verfahren zum Herstellen desselben

Also Published As

Publication number Publication date
CN1030690C (zh) 1996-01-17
RU2045328C1 (ru) 1995-10-10
JPH078926B2 (ja) 1995-02-01
CN1052434A (zh) 1991-06-26
CA2031827C (en) 2002-09-03
PL288123A1 (en) 1991-08-12
US5064593A (en) 1991-11-12
KR910011458A (ko) 1991-08-07
BR9006236A (pt) 1991-09-24
KR0150640B1 (ko) 1998-10-01
CA2031827A1 (en) 1991-06-08
ES2075123T3 (es) 1995-10-01
PL165872B1 (pl) 1995-02-28
EP0433787B1 (de) 1995-05-24
JPH03179038A (ja) 1991-08-05
EP0433787A1 (de) 1991-06-26
AU623068B2 (en) 1992-04-30
AU6784690A (en) 1991-06-13
DE69019694D1 (de) 1995-06-29

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