ES2075123T3 - Procedimiento para producir una membrana multicapa porosa de politetrafluoroetileno. - Google Patents
Procedimiento para producir una membrana multicapa porosa de politetrafluoroetileno.Info
- Publication number
- ES2075123T3 ES2075123T3 ES90123478T ES90123478T ES2075123T3 ES 2075123 T3 ES2075123 T3 ES 2075123T3 ES 90123478 T ES90123478 T ES 90123478T ES 90123478 T ES90123478 T ES 90123478T ES 2075123 T3 ES2075123 T3 ES 2075123T3
- Authority
- ES
- Spain
- Prior art keywords
- polyetetrafluoroethylene
- procedure
- producing
- multilayer membrane
- porous multilayer
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000012528 membrane Substances 0.000 title abstract 2
- 235000012438 extruded product Nutrition 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 230000001050 lubricating effect Effects 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
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
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
- B01D69/1212—Coextruded layers
-
- 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
- B29C55/02—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
- 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
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- 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
Abstract
SE EXPONE UN PROCESO PARA LA PRODUCCION DE UNA MEMBRANA POROSA DE POLITETRAFLUOROETILENO QUE CONSTA DE POR LO MENOS DOS CAPAS (4, 5, 6) CON DIAMETROS DE POROS DISTINTOS, EL PROCESO COMPRENDE LAS SIGUIENTES FASES: SE RELLENA EL INTERIOR DE UN CILINDRO (12) DE UN MOLDE DE EXTRUSION CON POR LO MENOS DOS TIPOS DE POLVOS FINOS DE POLITETRAFLUOROETILENO CON CADA UNO DE LOS CUALES SE HA MEZCLADO UN LIQUIDO LUBRICANTE, A CONTINUACION SE EXTRUYE EN FORMA DE PASTA LOS POLVOS PARA OBTENER UN PRODUCTO EXTRUIDO MULTICAPAS (15) QUE SE ENROLLA OPCIONALMENTE; Y DESPUES SE ESTIRA EL PRODUCTO EXTRUIDO O EL PRODUCTO ENROLLADO EXTRUIDO POR LO MENOS MONOAXIALMENTE UNA VEZ QUE EL LIQUIDO LUBRICANTE ES SACADO DE ELLO O SIN SACARLO.
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 (1)
Publication Number | Publication Date |
---|---|
ES2075123T3 true ES2075123T3 (es) | 1995-10-01 |
Family
ID=18119663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90123478T Expired - Lifetime ES2075123T3 (es) | 1989-12-07 | 1990-12-06 | Procedimiento para producir una membrana multicapa porosa de politetrafluoroetileno. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5064593A (es) |
EP (1) | EP0433787B1 (es) |
JP (1) | JPH078926B2 (es) |
KR (1) | KR0150640B1 (es) |
CN (1) | CN1030690C (es) |
AU (1) | AU623068B2 (es) |
BR (1) | BR9006236A (es) |
CA (1) | CA2031827C (es) |
DE (1) | DE69019694T2 (es) |
ES (1) | ES2075123T3 (es) |
PL (1) | PL165872B1 (es) |
RU (1) | RU2045328C1 (es) |
Families Citing this family (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225131A (en) * | 1989-12-07 | 1993-07-06 | Daikin Industries, Ltd. | Process for producing multilayer polytetrafluoroethylene porous membrane and semisintered polytetrafluoroethylene multilayer structure |
JP3116410B2 (ja) * | 1991-04-11 | 2000-12-11 | 住友電気工業株式会社 | 着色ポリテトラフルオロエチレン多孔質体の製造方法 |
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. |
EP0630432B1 (en) * | 1992-03-13 | 1999-07-14 | Atrium Medical Corporation | Controlled porosity expanded fluoropolymer (e.g. polytetrafluoroethylene) products and fabrication |
US5688836A (en) * | 1992-07-30 | 1997-11-18 | Daikin Industries, Ltd. | Polytetrafluoroethylene porous material and process for production of the same |
US5453235A (en) * | 1993-01-29 | 1995-09-26 | Impra, Inc. | Method of forming dual porosity FTFE tubes by extrusion of concentric preforms |
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 |
AT399507B (de) * | 1993-07-30 | 1995-05-26 | Chemiefaser Lenzing Ag | Bikomponentenformkörper aus polytetrafluorethylen (ptfe) und verfahren zu seiner herstellung |
US5393929A (en) * | 1993-11-23 | 1995-02-28 | Junkosha Co. Ltd. | Electrical insulation and articles thereof |
JP3003500B2 (ja) * | 1994-04-28 | 2000-01-31 | ダイキン工業株式会社 | ポリテトラフルオロエチレン複合多孔膜 |
CN1082103C (zh) * | 1994-06-30 | 2002-04-03 | 大金工业株式会社 | 膨松聚四氟乙烯长纤维及裂膜丝、其制造方法、使用其制造棉状物的方法及集尘用滤布 |
WO1996009157A1 (en) * | 1994-09-23 | 1996-03-28 | Impra, Inc. | Carbon containing vascular graft and method for making same |
DE19544912A1 (de) | 1995-12-01 | 1997-06-05 | Gore W L & Ass Gmbh | PTFE-Körper aus mikroporösem Polytetrafluorethylen mit Füllstoff und Verfahren zu dessen Herstellung |
US5800512A (en) * | 1996-01-22 | 1998-09-01 | Meadox Medicals, Inc. | PTFE vascular graft |
US6428571B1 (en) * | 1996-01-22 | 2002-08-06 | Scimed Life Systems, Inc. | Self-sealing PTFE vascular graft and manufacturing methods |
TW438679B (en) * | 1996-08-09 | 2001-06-07 | Daikin Ind Ltd | Filter medium and air filter unit using the same |
DE19638416C1 (de) * | 1996-09-19 | 1997-11-13 | Gore W L & Ass Gmbh | Formkörper aus einem Blend eines Fluorpolymeren und eines Thermoplasten und Verfahren zu dessen Herstellung |
US5925074A (en) | 1996-12-03 | 1999-07-20 | Atrium Medical Corporation | Vascular endoprosthesis and method |
US6010529A (en) | 1996-12-03 | 2000-01-04 | Atrium Medical Corporation | Expandable shielded vessel support |
JP2000079332A (ja) | 1998-07-08 | 2000-03-21 | Nitto Denko Corp | エアフィルタ用ろ材 |
US6517571B1 (en) | 1999-01-22 | 2003-02-11 | Gore Enterprise Holdings, Inc. | Vascular graft with improved flow surfaces |
US6342294B1 (en) | 1999-08-12 | 2002-01-29 | Bruce G. Ruefer | Composite PTFE article and method of manufacture |
US6454744B1 (en) * | 1999-12-23 | 2002-09-24 | Tfx Medical, Inc. | Peelable PTFE sheaths and methods for manufacture of same |
US6616876B1 (en) | 2000-10-03 | 2003-09-09 | Atrium Medical Corporation | Method for treating expandable polymer materials |
US6923927B2 (en) * | 2000-10-03 | 2005-08-02 | Atrium Medical Corporation | Method for forming expandable polymers having drugs or agents included therewith |
DE10061936A1 (de) * | 2000-12-13 | 2002-07-04 | Valentin Kramer | Gegenstand aus ePTFE und Verfahren zum Herstellen desselben |
CN100422741C (zh) * | 2003-03-27 | 2008-10-01 | 泰尔茂株式会社 | 试纸和多孔膜 |
WO2005118254A1 (en) * | 2004-06-03 | 2005-12-15 | Coltec Industrial Products Llc | Multifuncton multilayer ptfe tape and method of manufacture |
US8029563B2 (en) | 2004-11-29 | 2011-10-04 | Gore Enterprise Holdings, Inc. | Implantable devices with reduced needle puncture site leakage |
JP5097556B2 (ja) * | 2004-12-22 | 2012-12-12 | インテグリス・インコーポレーテッド | 多層多孔質膜および製造方法 |
AU2006278421A1 (en) * | 2005-08-03 | 2007-02-15 | Donaldson Company, Inc. | Microporous membrane for flash distillation |
US8557022B2 (en) * | 2007-08-24 | 2013-10-15 | Vlaamse Instelling Voor Technologisch Onderzoek N.V. (Vito) | Filled polymeric membranes, use and method of manufacturing |
JP5220369B2 (ja) | 2007-09-04 | 2013-06-26 | 富士フイルム株式会社 | 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 |
US9650479B2 (en) | 2007-10-04 | 2017-05-16 | W. L. Gore & Associates, Inc. | Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same |
US8637144B2 (en) * | 2007-10-04 | 2014-01-28 | W. L. Gore & Associates, Inc. | Expandable TFE copolymers, method of making, and porous, expended articles thereof |
US9040646B2 (en) | 2007-10-04 | 2015-05-26 | W. L. Gore & Associates, Inc. | Expandable TFE copolymers, methods of making, and porous, expanded articles thereof |
JP2009197147A (ja) * | 2008-02-22 | 2009-09-03 | Kurabe Ind Co Ltd | 微細層構造を有するptfe多孔体及びその製造方法 |
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 |
US8075675B2 (en) * | 2008-06-12 | 2011-12-13 | Serveron Corporation | Apparatus and method for extracting gas from liquid |
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JP4944864B2 (ja) * | 2008-11-04 | 2012-06-06 | 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 |
CN102049886A (zh) * | 2009-10-28 | 2011-05-11 | 上海金由氟材料有限公司 | 密封用聚四氟乙烯薄材 |
US8673440B2 (en) * | 2009-10-30 | 2014-03-18 | Bha Altair, Llc | Porous membrane |
UA97530C2 (ru) * | 2010-01-12 | 2012-02-27 | Александр Анатолиевич Осадчий | Полимерная диффузионная мембрана "форспласт-софт" |
JP5470140B2 (ja) | 2010-03-31 | 2014-04-16 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及び濾過用フィルター |
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CN102274694B (zh) * | 2010-06-08 | 2013-08-07 | 吕晓龙 | 一种聚四氟乙烯分离膜制备方法 |
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CN103842059B (zh) * | 2011-09-23 | 2016-08-31 | W.L.戈尔及同仁股份有限公司 | 表面改性的含氟聚合物膜及其生产方法 |
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CN102626990A (zh) * | 2012-04-24 | 2012-08-08 | 江苏新氟隆塑胶有限公司 | Ptfe盘根拉伸成型设备系统及生产工艺 |
US10808054B2 (en) * | 2012-10-10 | 2020-10-20 | Atrium Medical Corporation | Self-bonding fluoropolymers and methods of producing the same |
CN102961976B (zh) * | 2012-12-14 | 2015-09-23 | 国家海洋局天津海水淡化与综合利用研究所 | 聚四氟乙烯中空纤维多孔膜及其制备方法 |
US9573339B2 (en) | 2013-01-18 | 2017-02-21 | W. L. Gore & Associates, Inc. | Low gloss, air permeable, abrasion resistant, printable laminate containing an asymmetric membrane and articles made therefrom |
CN103386256B (zh) * | 2013-06-21 | 2015-03-25 | 浙江理工大学 | 微孔型聚四氟乙烯杂化平板膜包缠法制备中空纤维膜和管式膜的方法 |
KR101433774B1 (ko) * | 2013-10-04 | 2014-08-27 | 한국생산기술연구원 | 3중층으로 구성된 먼지포집용 여과체 |
US9814560B2 (en) | 2013-12-05 | 2017-11-14 | W. L. Gore & Associates, Inc. | Tapered implantable device and methods for making such devices |
US9644054B2 (en) | 2014-12-19 | 2017-05-09 | W. L. Gore & Associates, Inc. | Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same |
CN105983352B (zh) * | 2015-02-16 | 2018-05-15 | 上海灵氟隆新材料科技有限公司 | 一种高通量厚型聚四氟乙烯膜及其制备方法 |
JP5833263B1 (ja) * | 2015-02-24 | 2015-12-16 | 株式会社サンケイ技研 | ポリテトラフルオロエチレン多孔質シートの製造方法 |
CN110946684B (zh) | 2015-06-05 | 2022-06-03 | 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 |
FR3052718B1 (fr) * | 2016-06-16 | 2019-08-09 | Faurecia Automotive Industrie | Procede de fabrication d'une piece d'equipement automobile et piece associee |
CN106364120B (zh) * | 2016-08-30 | 2018-09-14 | 上海索康医用材料有限公司 | 一种纯膨体聚四氟乙烯片材的制备方法 |
EP3551440B1 (en) * | 2016-12-09 | 2023-08-23 | 3M Innovative Properties Company | Polymeric multilayer film |
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 |
CN114181481B (zh) * | 2021-11-23 | 2023-05-16 | 山东东岳高分子材料有限公司 | 一种用于制备多层ptfe复合膨体板材料的筛选方法、应用、膨体板及其制备方法 |
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-
1989
- 1989-12-07 JP JP1320273A patent/JPH078926B2/ja not_active Expired - Fee Related
-
1990
- 1990-12-06 RU SU904894073A patent/RU2045328C1/ru active
- 1990-12-06 AU AU67846/90A patent/AU623068B2/en not_active Ceased
- 1990-12-06 ES ES90123478T patent/ES2075123T3/es not_active Expired - Lifetime
- 1990-12-06 US US07/622,899 patent/US5064593A/en not_active Expired - Lifetime
- 1990-12-06 PL PL90288123A patent/PL165872B1/pl unknown
- 1990-12-06 DE DE69019694T patent/DE69019694T2/de not_active Expired - Fee Related
- 1990-12-06 EP EP90123478A patent/EP0433787B1/en not_active Expired - Lifetime
- 1990-12-07 KR KR1019900020071A patent/KR0150640B1/ko not_active IP Right Cessation
- 1990-12-07 CA CA002031827A patent/CA2031827C/en not_active Expired - Lifetime
- 1990-12-07 BR BR909006236A patent/BR9006236A/pt unknown
- 1990-12-07 CN CN90109725A patent/CN1030690C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5064593A (en) | 1991-11-12 |
EP0433787B1 (en) | 1995-05-24 |
CA2031827C (en) | 2002-09-03 |
PL165872B1 (pl) | 1995-02-28 |
JPH03179038A (ja) | 1991-08-05 |
CN1030690C (zh) | 1996-01-17 |
CN1052434A (zh) | 1991-06-26 |
BR9006236A (pt) | 1991-09-24 |
AU6784690A (en) | 1991-06-13 |
AU623068B2 (en) | 1992-04-30 |
KR910011458A (ko) | 1991-08-07 |
EP0433787A1 (en) | 1991-06-26 |
JPH078926B2 (ja) | 1995-02-01 |
PL288123A1 (en) | 1991-08-12 |
DE69019694D1 (de) | 1995-06-29 |
DE69019694T2 (de) | 1995-09-21 |
CA2031827A1 (en) | 1991-06-08 |
RU2045328C1 (ru) | 1995-10-10 |
KR0150640B1 (ko) | 1998-10-01 |
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