DE69739940D1 - Poröse Membran aus Polytetrafluoräthylen und Luftfiltermedium - Google Patents
Poröse Membran aus Polytetrafluoräthylen und LuftfiltermediumInfo
- Publication number
- DE69739940D1 DE69739940D1 DE69739940T DE69739940T DE69739940D1 DE 69739940 D1 DE69739940 D1 DE 69739940D1 DE 69739940 T DE69739940 T DE 69739940T DE 69739940 T DE69739940 T DE 69739940T DE 69739940 D1 DE69739940 D1 DE 69739940D1
- Authority
- DE
- Germany
- Prior art keywords
- polytetrafluoroethylene
- air filter
- filter medium
- porous membrane
- membrane made
- 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
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
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
- C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
-
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1692—Other shaped material, e.g. perforated or porous 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
- 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
- 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
- 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
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- 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
- B32B5/00—Layered 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
- B32B5/02—Layered 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 structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/08—Heat treatment
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/16—Chemical modification with polymerisable compounds
- C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
-
- 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
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0216—Bicomponent or multicomponent fibres
- B01D2239/0233—Island-in-sea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0464—Impregnants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0627—Spun-bonded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0668—The layers being joined by heat or melt-bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0681—The layers being joined by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
- B01D2239/0695—Wound layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1241—Particle diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/40—Fibre reinforced membranes
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/026—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
- 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
- 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
- B32B2327/00—Polyvinylhalogenides
- B32B2327/12—Polyvinylhalogenides containing fluorine
- B32B2327/18—PTFE, i.e. polytetrafluoroethylene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12375596 | 1996-05-17 | ||
JP20508896A JP3273735B2 (ja) | 1996-05-17 | 1996-08-02 | 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69739940D1 true DE69739940D1 (de) | 2010-09-02 |
Family
ID=26460598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69739940T Expired - Lifetime DE69739940D1 (de) | 1996-05-17 | 1997-05-16 | Poröse Membran aus Polytetrafluoräthylen und Luftfiltermedium |
Country Status (5)
Country | Link |
---|---|
US (2) | US5910277A (de) |
EP (2) | EP0808648A1 (de) |
JP (1) | JP3273735B2 (de) |
KR (1) | KR100459960B1 (de) |
DE (1) | DE69739940D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112218696A (zh) * | 2018-06-01 | 2021-01-12 | 日东电工株式会社 | 过滤器滤材和具备该过滤器滤材的过滤器单元 |
Families Citing this family (115)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3365617B2 (ja) * | 1998-06-11 | 2003-01-14 | 日東電工株式会社 | エアフィルタ用濾材の製造方法 |
US6932850B1 (en) | 1998-06-29 | 2005-08-23 | Pall Corporation | Pleated filter and a method for making the same |
JP2000079332A (ja) * | 1998-07-08 | 2000-03-21 | Nitto Denko Corp | エアフィルタ用ろ材 |
JP2000225328A (ja) * | 1998-11-30 | 2000-08-15 | Nitto Denko Corp | フィルタ用ろ材 |
US6110249A (en) | 1999-03-26 | 2000-08-29 | Bha Technologies, Inc. | Filter element with membrane and bicomponent substrate |
US6334881B1 (en) * | 1999-04-20 | 2002-01-01 | Gore Enterprise Holdings, Inc. | Filter media |
US6331343B1 (en) | 1999-05-07 | 2001-12-18 | 3M Innovative Properties Company | Films having a fibrillated surface and method of making |
US6586073B2 (en) | 1999-05-07 | 2003-07-01 | 3M Innovative Properties Company | Films having a microfibrillated surface and method of making |
JP3584855B2 (ja) * | 1999-10-07 | 2004-11-04 | ダイキン工業株式会社 | エアフィルター濾材 |
JP4066913B2 (ja) * | 1999-10-07 | 2008-03-26 | ダイキン工業株式会社 | エアフィルターパックおよびエアフィルターユニット |
US6409785B1 (en) | 2000-08-07 | 2002-06-25 | Bha Technologies, Inc. | Cleanable HEPA filter media |
KR100394786B1 (ko) * | 2000-08-14 | 2003-08-14 | 다이킨 고교 가부시키가이샤 | 에어필터용 부품, 그 패키지 및 그 패키징 방법 |
JP3362730B2 (ja) * | 2000-08-24 | 2003-01-07 | ダイキン工業株式会社 | エアフィルター濾材、それを用いたエアフィルターパック及びエアフィルターユニット並びにエアフィルター濾材の製造方法 |
US6616876B1 (en) | 2000-10-03 | 2003-09-09 | Atrium Medical Corporation | Method for treating expandable polymer materials |
US6596112B1 (en) * | 2000-10-20 | 2003-07-22 | Pall Corporation | Laminates of asymmetric membranes |
JP4826023B2 (ja) * | 2001-04-05 | 2011-11-30 | ダイキン工業株式会社 | フィルタ濾材、それを用いたフィルタパック及びエアフィルタユニット並びにフィルタ濾材の製造方法 |
DE60210261T2 (de) | 2001-04-05 | 2007-03-29 | Daikin Industries, Ltd. | Verfahren zur herstellung von filtriermaterial |
US6808553B2 (en) * | 2001-06-13 | 2004-10-26 | Nitto Denko Corporation | Filter medium for turbine and methods of using and producing the same |
US6599343B2 (en) * | 2001-10-09 | 2003-07-29 | Carrier Corporation | Method and apparatus for assembling an expandable and disposable media filter |
CN1312976C (zh) * | 2001-10-11 | 2007-05-02 | 大金工业株式会社 | 容器的通气用滤材、配有通气用滤材的容器及容器用盖 |
AU2002225660A1 (en) * | 2001-11-21 | 2003-06-10 | Atrium Medical Corporation | Method for treating expandable polymer materials and products produced therefrom |
DE10200635A1 (de) * | 2002-01-10 | 2003-07-24 | Mann & Hummel Filter | Filterelement |
JP4657729B2 (ja) * | 2003-03-24 | 2011-03-23 | 株式会社クラベ | 誘電体、絶縁電線、同軸ケーブル、誘電体製造方法 |
CN100491957C (zh) * | 2003-04-16 | 2009-05-27 | 株式会社崛场制作所 | 颗粒状物质捕集用过滤膜、使用该过滤膜的取样器以及颗粒状物质的分析装置 |
JP2005298554A (ja) * | 2004-04-07 | 2005-10-27 | Sumitomo Electric Ind Ltd | 膜厚方向に弾性回復性を有する延伸ポリテトラフルオロエチレン多孔質膜、その製造方法、及び該多孔質膜の使用 |
MXPA06013970A (es) * | 2004-06-03 | 2007-10-23 | Biokidz Usa | Mascara para riesgo biologico adecuada para civiles. |
US20060051648A1 (en) * | 2004-09-06 | 2006-03-09 | Fusaki Fujibayashi | Solid polymer electrolyte membrane, method for producing the same, and fuel cell including the solid poymer electrolyte membrane |
US7922946B2 (en) * | 2004-11-24 | 2011-04-12 | Donaldson Company, Inc. | PTFE membrane |
US20060233990A1 (en) | 2005-04-13 | 2006-10-19 | Trivascular, Inc. | PTFE layers and methods of manufacturing |
US20060233991A1 (en) | 2005-04-13 | 2006-10-19 | Trivascular, Inc. | PTFE layers and methods of manufacturing |
WO2006115270A1 (ja) * | 2005-04-26 | 2006-11-02 | Nitto Denko Corporation | フィルタ濾材とその製造方法および使用方法ならびにフィルタユニット |
MX2008001671A (es) * | 2005-08-03 | 2008-02-19 | Donaldson Co Inc | Membrana microporosa para destilacion instantanea. |
JP5008850B2 (ja) * | 2005-09-15 | 2012-08-22 | 住友電工ファインポリマー株式会社 | 四フッ化エチレン樹脂成形体、延伸四フッ化エチレン樹脂成形体、それらの製造方法、並びに、複合体、フィルター、衝撃変形吸収材及びシール材 |
KR100658502B1 (ko) * | 2006-03-07 | 2006-12-15 | 전북대학교산학협력단 | 다공성 박막의 제조방법 및 이로부터 제조된 다공성 박막 |
JP4963185B2 (ja) | 2006-03-28 | 2012-06-27 | 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の製造方法とフィルター濾材ならびにフィルターユニット |
JP5204384B2 (ja) * | 2006-05-19 | 2013-06-05 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター |
JP5253171B2 (ja) | 2006-09-22 | 2013-07-31 | 株式会社クラベ | Ptfe多孔体、ptfe混合体、ptfe多孔体の製造方法、及びptfe多孔体を用いた電線・ケーブル |
JP5154784B2 (ja) * | 2006-11-15 | 2013-02-27 | 住友電工ファインポリマー株式会社 | フィルター |
EP2125158B1 (de) | 2007-02-28 | 2014-01-15 | Hollingsworth & Vose Company | Gewellte filtermedien und elemente |
US8257459B2 (en) * | 2007-02-28 | 2012-09-04 | Hollingsworth & Vose Company | Waved filter media and elements |
US8202340B2 (en) * | 2007-02-28 | 2012-06-19 | Hollingsworth & Vose Company | Waved filter media and elements |
JP2010132712A (ja) * | 2007-03-13 | 2010-06-17 | Daikin Ind Ltd | 多孔体及びフィルター |
US20090002941A1 (en) * | 2007-06-29 | 2009-01-01 | Rajiv Mongia | Air-permeable, hydrophobic membrane used in a computer device |
US8663309B2 (en) | 2007-09-26 | 2014-03-04 | Trivascular, Inc. | Asymmetric stent apparatus and method |
US8066755B2 (en) | 2007-09-26 | 2011-11-29 | Trivascular, Inc. | System and method of pivoted stent deployment |
US8226701B2 (en) | 2007-09-26 | 2012-07-24 | Trivascular, Inc. | Stent and delivery system for deployment thereof |
CN101917929A (zh) | 2007-10-04 | 2010-12-15 | 特里瓦斯库拉尔公司 | 用于低型面经皮递送的模块化脉管移植物 |
US20090095417A1 (en) * | 2007-10-11 | 2009-04-16 | General Electric Company | Heat treatment method for an expanded polytetrafluoroethylene membrane |
US8083789B2 (en) | 2007-11-16 | 2011-12-27 | Trivascular, Inc. | Securement assembly and method for expandable endovascular device |
US8328861B2 (en) | 2007-11-16 | 2012-12-11 | Trivascular, Inc. | Delivery system and method for bifurcated graft |
US7812081B2 (en) * | 2008-02-26 | 2010-10-12 | General Electric Company | Methods of making a mixture for a PTFE membrane with inorganic materials, and compositions related thereto |
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 |
US8673040B2 (en) | 2008-06-13 | 2014-03-18 | Donaldson Company, Inc. | Filter construction for use with air in-take for gas turbine and methods |
US7942275B2 (en) * | 2008-07-08 | 2011-05-17 | Bha Group, Inc. | Expanded PFTE membrane and method of making |
US20100186595A1 (en) * | 2009-01-23 | 2010-07-29 | Kang Na Hsiung Enterprise Co., Ltd. | Composite filter and gas filter assembly including the same |
US8118910B2 (en) * | 2009-03-23 | 2012-02-21 | General Electric Company | Layered filtration membrane and methods of making same |
US9943796B2 (en) * | 2009-03-26 | 2018-04-17 | Columbus Industries, Inc. | Multi layer pleatable filter medium |
KR20120052226A (ko) * | 2009-06-11 | 2012-05-23 | 닛토덴코 가부시키가이샤 | 복합 통기막 및 그것을 사용한 통기 구조 |
US8236082B2 (en) * | 2009-06-19 | 2012-08-07 | Hollingsworth & Vose Company | Flutable fiber webs with high dust holding capacity |
JP2011178970A (ja) * | 2010-03-04 | 2011-09-15 | Nitto Denko Corp | ポリテトラフルオロエチレン多孔質膜の製造方法と通気部材 |
US9944044B2 (en) | 2010-05-06 | 2018-04-17 | W. L. Gore & Associates, Inc. | Contamination resistant air permeable fabric laminate and garments made therefrom |
JP5012990B2 (ja) * | 2010-06-17 | 2012-08-29 | ダイキン工業株式会社 | 多孔膜を備える濾材、その製造方法、フィルタパック、ならびにフィルタユニット |
JP5473824B2 (ja) * | 2010-08-05 | 2014-04-16 | ニチアス株式会社 | 高密度ポリテトラフルオロエチレンテープ及びその製造方法 |
CN103155251A (zh) | 2010-10-07 | 2013-06-12 | 旭化成电子材料株式会社 | 氟系高分子电解质膜 |
US8937132B2 (en) | 2010-12-21 | 2015-01-20 | Daikin Industries, Ltd. | Polytetrafluoroethylene mixture |
US8865839B2 (en) | 2010-12-21 | 2014-10-21 | Daikin Industries, Ltd. | Polytetrafluoroethylene mixture |
US20120186452A1 (en) * | 2011-01-26 | 2012-07-26 | Alan Smithies | Multiple Layer HEPA Filter and Method of Manufacture |
KR101230844B1 (ko) | 2011-05-04 | 2013-02-08 | 웅진케미칼 주식회사 | 가이드 롤러를 이용한 배치식 연신에 의한 다공질 ptfe 필름의 제조방법 및 그로부터 제조된 균일한 두께의 다공질 ptfe 필름 |
KR102005211B1 (ko) | 2011-07-05 | 2019-07-29 | 닛토덴코 가부시키가이샤 | 폴리테트라플루오로에틸렌 다공질막 및 에어 필터 여과재 |
EP2730607B1 (de) * | 2011-07-05 | 2015-10-14 | Nitto Denko Corporation | Verfahren zur herstellung einer porösen polytetrafluorethylenmembran |
JP5489084B2 (ja) * | 2011-08-12 | 2014-05-14 | Jnc株式会社 | 混繊長繊維不織布 |
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 |
JP2013101776A (ja) * | 2011-11-07 | 2013-05-23 | Nitto Denko Corp | 絶縁層被覆電線 |
WO2013100083A1 (ja) | 2011-12-28 | 2013-07-04 | 旭化成イーマテリアルズ株式会社 | レドックスフロー二次電池及びレドックスフロー二次電池用電解質膜 |
JP5917944B2 (ja) * | 2012-02-23 | 2016-05-18 | 日東電工株式会社 | 混紡不織布、フィルタ濾材およびフィルタユニット |
US8992595B2 (en) | 2012-04-04 | 2015-03-31 | Trivascular, Inc. | Durable stent graft with tapered struts and stable delivery methods and devices |
US9498363B2 (en) | 2012-04-06 | 2016-11-22 | Trivascular, Inc. | Delivery catheter for endovascular device |
JP2013235665A (ja) * | 2012-05-07 | 2013-11-21 | Nitto Denko Corp | 高分子電解質膜およびそれを用いた燃料電池 |
TWI453114B (zh) * | 2012-05-11 | 2014-09-21 | Entire Technology Co Ltd | 多孔複合膜的製造方法 |
US9452372B2 (en) | 2012-10-18 | 2016-09-27 | Baker Hughes Incorporated | Method for preparing a porous fluoropolymer and preparing an article of same |
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 |
US20140277467A1 (en) | 2013-03-14 | 2014-09-18 | Spinal Stabilization Technologies, Llc | Prosthetic Spinal Disk Nucleus |
JP6172666B2 (ja) | 2013-07-01 | 2017-08-02 | 住友電工ファインポリマー株式会社 | 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 |
US20150230545A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Conformable Booties, Shoe Inserts, and Waterproof Breathable Socks Containing an Integrally Joined Interface |
US20150230542A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks |
US20150230550A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Methods for Forming Seamless Conformable Booties and Waterproof Breathable Socks |
US20150230563A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Methods for Forming Seamless Shoe Inserts |
DE102014208200B3 (de) | 2014-04-30 | 2015-11-05 | GeBaSys GmbH | Filterelement und Verfahren zu dessen Herstellung |
US10441909B2 (en) | 2014-06-25 | 2019-10-15 | Hollingsworth & Vose Company | Filter media including oriented fibers |
CA2966748C (en) | 2014-11-04 | 2023-03-21 | Spinal Stabilization Technologies Llc | Percutaneous implantable nuclear prosthesis |
WO2016073587A1 (en) | 2014-11-04 | 2016-05-12 | Spinal Stabilization Technologies Llc | Percutaneous implantable nuclear prosthesis |
US11819792B2 (en) | 2014-11-14 | 2023-11-21 | Columbus Industries, Inc. | Bidirectional airflow filter |
TWI612715B (zh) * | 2015-08-11 | 2018-01-21 | 多孔性薄膜的生產裝置 | |
EP3334302B1 (de) | 2015-08-13 | 2020-07-08 | W. L. Gore & Associates, Inc. | Innenschuh und schuhwerksanordnungen mit einer nahtlosesn dehnbaren folie, und verfahren dafür |
JP2018525545A (ja) | 2015-08-19 | 2018-09-06 | 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 | 適合可能なシームレスの三次元的物品、並びにそのための方法 |
PL3344156T3 (pl) | 2015-09-01 | 2020-07-27 | Spinal Stabilization Technologies Llc | Wszczepialna proteza jądra miażdżystego |
US10561972B2 (en) | 2015-09-18 | 2020-02-18 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
US10449474B2 (en) | 2015-09-18 | 2019-10-22 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
EP3153313A1 (de) * | 2015-10-06 | 2017-04-12 | JP Air Tech ApS | Filtermedium |
US9486323B1 (en) | 2015-11-06 | 2016-11-08 | Spinal Stabilization Technologies Llc | Nuclear implant apparatus and method following partial nuclectomy |
CN105504611A (zh) * | 2016-01-04 | 2016-04-20 | 丹阳市科尔电子科技有限公司 | 炭黑填充聚四氟乙烯微孔膜及其制备方法 |
JP6372507B2 (ja) * | 2016-03-11 | 2018-08-15 | ダイキン工業株式会社 | エアフィルタ用濾材、エアフィルタユニット、およびエアフィルタ用濾材の製造方法 |
BR112019003919A2 (pt) | 2016-08-26 | 2019-05-21 | 3M Innovative Properties Company | elemento de filtro pregueado que compreende um meio filtrante pregueado com barreiras de borda, e método de fabricação e uso |
US10814261B2 (en) | 2017-02-21 | 2020-10-27 | Hollingsworth & Vose Company | Electret-containing filter media |
US11077394B2 (en) | 2017-02-21 | 2021-08-03 | Hollingsworth & Vose Company | Electret-containing filter media |
CN108807786B (zh) * | 2017-05-04 | 2020-05-15 | 宁波昌祺微滤膜科技有限公司 | 一种用于电池隔离的增强膜及其制备方法 |
KR20200014342A (ko) | 2017-05-31 | 2020-02-10 | 닛토덴코 가부시키가이샤 | 폴리테트라플루오로에틸렌 다공질막 |
KR102165320B1 (ko) * | 2017-10-20 | 2020-10-13 | 주식회사 엘지화학 | Ptfe 멤브레인의 제조 방법 |
CA3111639A1 (en) | 2018-09-04 | 2020-05-28 | Spinal Stabilization Technologies, Llc | Implantable nuclear prosthesis, kits, and related methods |
KR102308711B1 (ko) * | 2018-11-02 | 2021-10-05 | 주식회사 엘지화학 | 에어필터용 고분자 필름 및 이의 제조 방법 |
US11433332B2 (en) | 2018-11-05 | 2022-09-06 | Hollingsworth & Vose Company | Filter media with irregular structure |
US11420143B2 (en) | 2018-11-05 | 2022-08-23 | Hollingsworth & Vose Company | Filter media with irregular structure and/or reversibly stretchable layers |
CN109316974B (zh) * | 2018-11-23 | 2021-04-30 | 浙江福斯特新材料研究院有限公司 | 一种半透膜支撑材料 |
CN109621749A (zh) * | 2019-01-07 | 2019-04-16 | 浙江净膜环保有限责任公司 | 双层覆膜非织造布空气过滤材料 |
CN113733699B (zh) * | 2021-09-03 | 2023-04-11 | 天台宏辉过滤科技有限公司 | 一种自洁性液体过滤布及制备方法 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
US3962153A (en) * | 1970-05-21 | 1976-06-08 | W. L. Gore & Associates, Inc. | Very highly stretched polytetrafluoroethylene and process therefor |
US3986851A (en) * | 1975-06-23 | 1976-10-19 | The Harshaw Chemical Company | Filter of polytetrafluoroethylene fibers |
US4025679A (en) * | 1976-08-06 | 1977-05-24 | W. L. Gore & Associates, Inc. | Fibrillated polytetrafluoroethylene woven filter fabric |
GB2025835B (en) * | 1978-05-31 | 1982-10-27 | Nitto Electric Ind Co | Producing a porous polytetrafluorethylene article |
US4596837A (en) * | 1982-02-22 | 1986-06-24 | Daikin Industries Ltd. | Semisintered polytetrafluoroethylene article and production thereof |
JPS59152825A (ja) * | 1983-02-19 | 1984-08-31 | Daikin Ind Ltd | ポリテトラフルオロエチレン半焼成体およびその製法 |
JPS58145735A (ja) * | 1982-02-22 | 1983-08-30 | Daikin Ind Ltd | ポリテトラフルオロエチレン多孔体の製造方法 |
EP0246917B1 (de) * | 1986-05-23 | 1992-07-22 | W.L. Gore & Associates, Inc. | Hochleistungsgasfilter |
US4816328A (en) * | 1987-11-13 | 1989-03-28 | W. L. Gore & Associates, Inc. | Breathable, non-linting laminate |
US5037457A (en) * | 1988-12-15 | 1991-08-06 | Millipore Corporation | Sterile hydrophobic polytetrafluoroethylene membrane laminate |
US4902423A (en) * | 1989-02-02 | 1990-02-20 | W. L. Gore & Associates, Inc. | Highly air permeable expanded polytetrafluoroethylene membranes and process for making them |
US4983434A (en) * | 1989-04-07 | 1991-01-08 | W. L. Gore & Associates, Inc. | Filter laminates |
GB8915974D0 (en) * | 1989-07-12 | 1989-08-31 | Gore W L & Ass Uk | Hydrophilic semi-permeable ptfe membranes and their manufacture |
CA2025090C (en) * | 1989-09-12 | 1997-06-24 | Akira Harada | Porous material of polytetrafluoroethylene and process for producing the same |
US5154827A (en) * | 1990-01-22 | 1992-10-13 | Parker-Nannifin Corporation | Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using 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 |
US5593482A (en) * | 1990-03-20 | 1997-01-14 | W. L. Gore & Associates, Inc. | Adsorbent assembly for removing gaseous contaminants |
US5677031A (en) * | 1990-03-31 | 1997-10-14 | W. L. Gore & Associates, Inc. | Porous PTFE structures |
US5082472A (en) * | 1990-11-05 | 1992-01-21 | Mallouk Robert S | Composite membrane for facilitated transport processes |
US5096473A (en) * | 1991-03-01 | 1992-03-17 | W. L. Gore & Associates, Inc. | Filtration fabric laminates |
EP0646151B1 (de) * | 1991-06-14 | 1997-11-05 | W.L. Gore & Associates, Inc. | Oberflächenmodifiziertes, poröses expandiertes polytetrafluoroäthylen und verfahren zur herstellung desselben |
JP2792354B2 (ja) * | 1991-07-23 | 1998-09-03 | 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 |
WO1993013849A1 (en) * | 1992-01-14 | 1993-07-22 | Daikin Industries, Ltd. | Filter and filter element |
US5284704A (en) * | 1992-01-15 | 1994-02-08 | American Felt & Filter Company | Non-woven textile articles comprising bicomponent fibers and method of manufacture |
DE69424569T2 (de) * | 1993-01-25 | 2001-01-18 | Daikin Ind Ltd | Poröser Film aus Polytetrafluoroethylen |
JP2854223B2 (ja) * | 1993-09-08 | 1999-02-03 | ジャパンゴアテックス株式会社 | 撥油防水性通気フィルター |
JPH07196831A (ja) * | 1993-12-28 | 1995-08-01 | Japan Gore Tex Inc | ポリテトラフルオロエチレン多孔膜とその製造方法 |
US5417743A (en) * | 1994-01-21 | 1995-05-23 | W. L. Gore & Associates, Inc. | Self-adhesive vent filter and adsorbent assembly with a diffusion tube |
US5507847A (en) * | 1994-07-29 | 1996-04-16 | W. L. Gore & Associates, Inc. | ULPA filter |
US5527569A (en) * | 1994-08-22 | 1996-06-18 | W. L. Gore & Associates, Inc. | Conductive filter laminate |
US5538545A (en) * | 1994-11-04 | 1996-07-23 | W. L. Gore & Associates | Nonparticulating adsorbent recirculating filter |
US5776343A (en) * | 1995-08-03 | 1998-07-07 | Applied Extrusion Technologies, Inc. | Fluoroplastic apertured film fabric, structures employing same and method of making same |
JPH09117624A (ja) * | 1995-10-25 | 1997-05-06 | Chisso Corp | フィルター |
JP2969075B2 (ja) * | 1996-02-26 | 1999-11-02 | ジャパンゴアテックス株式会社 | 脱気装置 |
-
1996
- 1996-08-02 JP JP20508896A patent/JP3273735B2/ja not_active Expired - Lifetime
-
1997
- 1997-05-16 EP EP97108059A patent/EP0808648A1/de not_active Ceased
- 1997-05-16 US US08/857,678 patent/US5910277A/en not_active Expired - Lifetime
- 1997-05-16 EP EP02024587A patent/EP1291060B1/de not_active Expired - Lifetime
- 1997-05-16 DE DE69739940T patent/DE69739940D1/de not_active Expired - Lifetime
- 1997-05-16 KR KR1019970018838A patent/KR100459960B1/ko not_active IP Right Cessation
-
1998
- 1998-08-28 US US09/143,574 patent/US6030428A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112218696A (zh) * | 2018-06-01 | 2021-01-12 | 日东电工株式会社 | 过滤器滤材和具备该过滤器滤材的过滤器单元 |
CN112218696B (zh) * | 2018-06-01 | 2022-12-30 | 日东电工株式会社 | 过滤器滤材和具备该过滤器滤材的过滤器单元 |
Also Published As
Publication number | Publication date |
---|---|
KR100459960B1 (ko) | 2006-03-27 |
JPH1030031A (ja) | 1998-02-03 |
US6030428A (en) | 2000-02-29 |
EP1291060A3 (de) | 2003-07-09 |
EP0808648A1 (de) | 1997-11-26 |
KR19980018104A (ko) | 1998-06-05 |
US5910277A (en) | 1999-06-08 |
EP1291060B1 (de) | 2010-07-21 |
EP1291060A2 (de) | 2003-03-12 |
JP3273735B2 (ja) | 2002-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69739940D1 (de) | Poröse Membran aus Polytetrafluoräthylen und Luftfiltermedium | |
DE69207020D1 (de) | Poröse Hohlfasermembran aus Polypropylen und ihrere Herstellung | |
DE804961T1 (de) | Poröse fluorkohlenstoffmembran, methode zu deren herstellung und filterpatrone auf deren basis | |
DE69117175T2 (de) | Poröse hohlfasermembran aus polyethylen und ihre herstellung | |
KR960703416A (ko) | 폴리테트라플루오로에틸렌 복합 다공막[composite porous polytetrafluoroethylene membrane] | |
DE69419265D1 (de) | Höchfeste poröse folie aus ptfe | |
DE69623116D1 (de) | Gasdurchlässiges membran | |
DE69506946D1 (de) | Microporöse Keramiken und deren Herstellung | |
DE69514669T2 (de) | Verbundstoffe aus microporösem film und vliesstoff | |
DE69527042T2 (de) | Biokompatible poröse matrix aus bioabsorbierendem material | |
DE69738497D1 (de) | Verbesserte filtrationsanordnung mit mikroporöser membrane | |
DE69208552T2 (de) | Poröser Polytetrafluorethylenfilm und seine Herstellung und Anwendung | |
DE69527307T2 (de) | Poröse feine teilchen und kosmetika | |
EP1142702A4 (de) | Luftfilter bestehend aus porösem material (ptfe-membran) und einer luftdurchlässigen trägerschicht | |
DE69719632T2 (de) | Membranen aus Polysulfon-Copolymer und Verfahren | |
DE69730075D1 (de) | Verbundkautschukteilchen und Propfcopolmerteilchen aus Verbundkautschuk | |
BR9501833A (pt) | Membranas de separação de fluidos e de gás | |
DE69510496T2 (de) | Microporösen Kermamiken und deren Herstellung | |
DE69508074T2 (de) | Herstellung von porösen körpern | |
ID19790A (id) | Pelumasan minyak dewaxing dengan pemisahan membran | |
DE69206875T2 (de) | Akustische Membran und deren Herstellungsmethode | |
DE69418174D1 (de) | Microporöse gasdurchlässige Elektrode und Verfahren zur Herstellung derselben | |
DE29618092U1 (de) | Auf Integrität testbare Filterkassette aus hydrophilen, porösen Polymembranen mit verbesserter Filtrationssicherheit und Filtrationsleistung | |
IT1287089B1 (it) | Dispositivo di equalizzazione/filtraggio per la correzione della linearita' di risposta dei sistemi di riproduzione e/o amplificazione | |
DE29621607U1 (de) | Tragkonstruktion aus Pfosten und Riegel |