WO2012100889A1 - Dünne, makroporöse polymerfolien - Google Patents
Dünne, makroporöse polymerfolien Download PDFInfo
- Publication number
- WO2012100889A1 WO2012100889A1 PCT/EP2011/073799 EP2011073799W WO2012100889A1 WO 2012100889 A1 WO2012100889 A1 WO 2012100889A1 EP 2011073799 W EP2011073799 W EP 2011073799W WO 2012100889 A1 WO2012100889 A1 WO 2012100889A1
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- WIPO (PCT)
- Prior art keywords
- welded
- fibers
- polymer
- film according
- equal
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
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- 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
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D25/00—Woven fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/555—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving by ultrasonic heating
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/42—Acrylic resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/423—Polyamide resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/494—Tensile strength
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
Definitions
- the invention relates to a film comprising polymer fibers, at least to the
- a fiber is understood to be a thin structure in relation to the length, which is flexible and can absorb no tensile forces but only tensile forces. Fibers buckle under pressure. In nature and technology fibers usually occur in a larger composite, they form a specific structure. Fibers of very large, virtually unlimited length are filaments, fibers of limited length are staple fibers.
- Staple fibers in turn divide into actually spinnable staple fibers and below a limit length of about 15 mm flock fibers.
- a yarn according to DIN 60900 is a collective term for all linear textile structures. Thereafter, a yarn is analogous to a long, thin structure of one or more fibers. It is a textile intermediate that can be made into fabrics, crocheted, knitted and embroidered or used for sewing.
- Porous films are usually obtained by subjecting films, e.g. Polymer films, perforated or damage their original structure mechanically or chemically. Such materials can be supplied to a wide variety of uses, for example as
- Packaging materials, separation and filtration membranes or as separators are packaged, separation and filtration membranes or as separators.
- German patent application DE 10 2009 047 440 discloses production and properties of thin, perforated films which are stable for coating or impregnation processes.
- the films contain or are made of metal or polymer and are perforated by means of a laser emitting at a suitable wavelength.
- open area An important variable that characterizes openwork material is the open area. It is given through the pores and is determined by considering the material as a two-dimensional structure and the area occupied by the pores in relation to the total set of the material occupied area. If the pores are arranged regularly, elementary cells can be found that can be used to determine the open area. The edge length of the patches can be selected, for example, equal to 100 times the pore diameter.
- F max tensile strength
- a porous film is obtained by densifying a woven or knitted fabric comprising or consisting of polymer fibers such that the fibers are welded together at least at their points of intersection and / or at least partly fused together or non-positively or positively connected to each other. After such treatment, the fibers have lost their original shape in cross-section, but are still recognizable as such, for example under light microscopic observation. By contrast, the macroscopic structure no longer has the properties of a conventional fabric or knitted fabric - individual threads or fibers can no longer be separated off.
- the invention thus relates to a porous film, which is characterized in that the film comprises polymer fibers which are welded together at least at the points of intersection between the pores, in particular thermally welded, swell welded, cold-welded, ultrasonically welded and / or at least partially together
- the porous film according to the invention has the advantage of a homogeneous structure and a good tensile strength in the longitudinal and in the transverse direction. Another advantage is that the claimed film can easily be wound up without the connections of the fibers at the crossover points impeding the winding up. When winding up this film neither break the individual fibers, nor the compounds at the crossover points.
- the invention likewise relates to a process for the production of the porous film, which is characterized in that a woven or knitted fabric comprising or consisting of thermoplastic polymer fibers is compacted under a surface or line pressure at least once, the polymer fibers at least on the
- Crossover points welded together in particular thermowelded, swell welded, cold-welded, ultrasonically welded, and / or at least partially fused together or non-positively or positively connected to each other. This is done at a surface or line pressure less than or equal to 500 N / mm, and a temperature less than or equal to 50% below the melting temperature of the lowest melting polymer.
- the inventive method has the advantage that the macroscopic thickness of the resulting film can be adjusted, by continuously adjustable
- the invention therefore also relates to the film obtained according to the method and the use of the film according to the invention or the invention obtained as a separator in batteries, as well as packaging material, membrane, filter, and as a carrier material for ceramic composite membranes.
- One possible use of the film according to the invention is, for example, as a carrier of a ceramic coating in the production of ceramic separators, for example the SEPARION® separator, which is particularly suitable for use in high-performance lithium-ion batteries because of its temperature and chemical resistance.
- the invention is therefore also a lithium-ion battery, the
- the film according to the invention may have a thickness of less than or equal to 100 ⁇ m and / or an open area of greater than or equal to 20%. This makes them suitable for use as a separator in a battery. Particularly preferably, the film may have a thickness of less than or equal to 20 ⁇ m. This makes them suitable for use as a separator in a high-performance battery, particularly preferably in a lithium-ion battery.
- the fibers of the film according to the invention may advantageously contain or consist of a plastic with a low melting point. An example of a partial
- Melting polymer is polyethylene terephthalate (PET), which melts at 210 - 235 ° C.
- PET polyethylene terephthalate
- a preferred plastic may be Vestamelt®.
- mixtures of fibers which can bring about fusion or fusion are advantageous, particularly preferably in the longitudinal direction of the polyester and in the transverse direction
- polymer fibers of the film according to the invention may comprise or consist of at least one thermoplastic polymer. More preferably, the polymer of these fibers may be selected from polyacrylonitrile, polyester, polyamide, polyimide, polyaramid, polyolefins, PTFE, PVDF, PES, PUR, or a combination of these polymers.
- polymer fibers of the film according to the invention may comprise or consist of at least one thermoplastic and at least one non-thermoplastic polymer, core-shell fibers, and / or co-extrudates.
- polymer fibers of the film according to the invention comprise at least one thermoplastic and at least one non-thermoplastic polymer, these may be selected from core-shell fibers, wherein the core material comprises or is at least one non-thermoplastic polymer,
- thermoplastic polymer fibers in warp direction and non-thermoplastic
- thermoplastic polymer fibers in the warp direction and thermoplastic
- Polymer fibers comprising or consisting of a finer thermoplastic and non-thermoplastic polymer fibers, or
- the film according to the invention which comprises polymer fibers made of or with thermoplastic and non-thermoplastic polymer, has the advantage that the film according to the invention or obtained according to the invention has a greater tensile strength than a film which consists of an extruded polymer composition.
- a particular advantage is that such a film calendering or further processing in roll-to-roll processes, for example
- the film of the invention or obtained according to the invention with ceramic material can coat and subsequently heat treated, for example in the preparation of SEPARION ® separator.
- the film has the advantage that its tensile strength can be adapted to the requirements of calendering, for example by selecting the non-thermoplastic polymer for the fibers in the warp direction.
- the film has the advantage that very thin Films can be obtained by selecting particularly thin thermoplastic and / or non-thermoplastic polymer fibers.
- thermosetting polymer fiber core also gives the film according to the invention more strength. Also, this selection affects the thickness of the porous film because the material does not deform so easily. Although the film according to the invention has a higher stability and thus a low deformability and a higher shear modulus, a less elastic behavior in the calendering gap is to be considered.
- the polymer fibers may particularly preferably be coated fibers which are obtained by methods known to the person skilled in the art, for example the so-called
- Bicomponent spins or coextrusion are particularly preferred.
- Further preferred fibers may also be staple fibers as "spunbond” or very short and fine meltblown fibers available from Fare SpA, Via Pastrengo 31, Fagnono, Olona (VA), 21054, Italy.
- the films according to the invention or those obtained according to the invention can be converted into ceramic composite membranes by coating with ceramic dispersions.
- An example of the prior art is SEPARION ® in which a polymeric web is used instead of a perforated polymer film.
- the further subject of the invention is a process for the preparation of
- porous film according to the invention characterized in that a woven or knitted fabric comprising or consisting of thermoplastic polymer fibers, under a surface or line pressure of less than or equal to 500 N / mm, and a temperature less than or equal to 50% below the melting temperature of the lowest melting polymer is compressed at least once, wherein the polymer fibers at least to the
- Crossover points welded together in particular thermowelded, source welded, cold-welded, ultrasound l-welded, and / or at least partially fused together or positively or non-positively connected to each other.
- the woven or knitted fabric is continuously compressed in calenders or belt presses.
- a line pressure of less than or equal to 500 N / mm is used.
- plate presses are favored for a discontinuous procedure.
- a temperature less than or equal to 10% below the melting temperature of the lowest melting polymer may be selected.
- At least one additional calendering is the additional functionality, preferably by applying a further fabric or nonwoven.
- a further fabric or nonwoven Preferably, an extremely thin aramid nonwoven can be calendered.
- PET Polyethylene terephthalate
- the tensile strengths were determined according to DIN EN ISO 527-1 in each case in the so-called “material direction” (MD) known to the person skilled in the art and in “cross direction” (CD). The results are shown in Table 1. At a line pressure of 300 N / mm, a transport speed of 10 m / min and a temperature of 220 ° C, a porous film according to the invention was obtained with a thickness of 14 ⁇ . The measured tensile strengths are shown in Table 1 in row 1. The tensile strengths of calendering the fabric in a line pressure of
- Line 3 shows the tensile strengths of those obtained from the same fabric
- Line 4 shows the tensile strengths of those obtained from the same fabric
- PET films with thicknesses of 18 ⁇ or 1 1 ⁇ were perforated two-dimensionally with a laser. This area perforation can be performed with C02 lasers. The method is based on the one-dimensional perforation as it is performed, for example, at the companies Maag or Micro Laser Tech and u.a. in JP63023936 or JP1 1077872.
- the resulting perforated films had an open area of 22% and 15%, respectively, summarized in lines 5 and 6 of Table 1, respectively.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cell Separators (AREA)
- Nonwoven Fabrics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013550791A JP2014505147A (ja) | 2011-01-26 | 2011-12-22 | 薄手のマクロ孔質ポリマーフィルム |
US13/980,719 US20130302695A1 (en) | 2011-01-26 | 2011-12-22 | Thin macroporous polymeric foils |
EP11805844.5A EP2668328A1 (de) | 2011-01-26 | 2011-12-22 | Dünne, makroporöse polymerfolien |
CN2011800656481A CN103354848A (zh) | 2011-01-26 | 2011-12-22 | 薄的、带大孔的聚合物膜 |
KR1020137019739A KR20140006843A (ko) | 2011-01-26 | 2011-12-22 | 얇은 거대다공성 중합체 포일 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011003186A DE102011003186A1 (de) | 2011-01-26 | 2011-01-26 | Dünne, makroporöse Polymerfolien |
DE102011003186.3 | 2011-01-26 |
Publications (1)
Publication Number | Publication Date |
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WO2012100889A1 true WO2012100889A1 (de) | 2012-08-02 |
Family
ID=45464541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/073799 WO2012100889A1 (de) | 2011-01-26 | 2011-12-22 | Dünne, makroporöse polymerfolien |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130302695A1 (de) |
EP (1) | EP2668328A1 (de) |
JP (1) | JP2014505147A (de) |
KR (1) | KR20140006843A (de) |
CN (1) | CN103354848A (de) |
DE (1) | DE102011003186A1 (de) |
WO (1) | WO2012100889A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140050874A (ko) * | 2012-10-22 | 2014-04-30 | 주식회사 엘지화학 | 균일한 기공 배열을 갖는 다공성 분리막 및 이를 포함하는 이차전지 |
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DE102013200722A1 (de) | 2012-01-30 | 2013-08-01 | Evonik Litarion Gmbh | Separator enthaltend eine organisch-anorganische Haftvermittlerkomponente |
CN103306014B (zh) * | 2013-07-05 | 2017-02-08 | 昆山豪绅纤维科技开发有限公司 | 发光织物 |
DE102016114319B4 (de) * | 2016-08-03 | 2019-02-28 | Inteca Gmbh | Flächige Beleuchtungsvorrichtung |
US11362338B2 (en) | 2017-02-14 | 2022-06-14 | Volkswagen Ag | Electric vehicle battery cell with solid state electrolyte |
US10797284B2 (en) | 2017-02-14 | 2020-10-06 | Volkswagen Ag | Electric vehicle battery cell with polymer frame for battery cell components |
US11870028B2 (en) | 2017-02-14 | 2024-01-09 | Volkswagen Ag | Electric vehicle battery cell with internal series connection stacking |
US11362371B2 (en) | 2017-02-14 | 2022-06-14 | Volkswagen Ag | Method for manufacturing electric vehicle battery cells with polymer frame support |
DE102017205653A1 (de) | 2017-04-03 | 2018-10-04 | Vitrulan Textile Glass Gmbh | Glasbasierter Batterieseparator |
DE102017007858A1 (de) | 2017-04-03 | 2018-10-04 | Thorsten Gerdes | Verfahren zum direkten Aufbringen von glasbasierten Separatoren auf Batterieelektroden |
JP7067220B2 (ja) | 2018-04-11 | 2022-05-16 | トヨタ自動車株式会社 | セパレータ |
WO2019242016A1 (en) * | 2018-06-22 | 2019-12-26 | Shanghai Energy New Materials Technology Co., Ltd. | Separators, electrochemical devices comprising separators, and methods for making separators |
CN114784462B (zh) * | 2022-04-14 | 2024-06-28 | 中材锂膜(常德)有限公司 | 隔离膜制备方法 |
CN115101888B (zh) * | 2022-06-16 | 2024-03-26 | 广东工业大学 | 一种多级孔纤维布基聚合物复合膜及其制备方法和应用 |
CN115874351A (zh) * | 2022-12-12 | 2023-03-31 | 江苏亨通精密铜业有限公司 | 非织造复合箔、制备工艺及其应用 |
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- 2011-12-22 US US13/980,719 patent/US20130302695A1/en not_active Abandoned
- 2011-12-22 JP JP2013550791A patent/JP2014505147A/ja active Pending
- 2011-12-22 WO PCT/EP2011/073799 patent/WO2012100889A1/de active Application Filing
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140050874A (ko) * | 2012-10-22 | 2014-04-30 | 주식회사 엘지화학 | 균일한 기공 배열을 갖는 다공성 분리막 및 이를 포함하는 이차전지 |
KR101705305B1 (ko) | 2012-10-22 | 2017-02-09 | 주식회사 엘지화학 | 균일한 기공 배열을 갖는 다공성 분리막 및 이를 포함하는 이차전지 |
Also Published As
Publication number | Publication date |
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CN103354848A (zh) | 2013-10-16 |
KR20140006843A (ko) | 2014-01-16 |
EP2668328A1 (de) | 2013-12-04 |
DE102011003186A1 (de) | 2012-07-26 |
US20130302695A1 (en) | 2013-11-14 |
JP2014505147A (ja) | 2014-02-27 |
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