DK2609238T3 - Uvævet bane og fibre med elektretegenskaber, fremgangsmåder til fremstilling heraf samt deres anvendelse - Google Patents

Uvævet bane og fibre med elektretegenskaber, fremgangsmåder til fremstilling heraf samt deres anvendelse Download PDF

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Publication number
DK2609238T3
DK2609238T3 DK11745976.8T DK11745976T DK2609238T3 DK 2609238 T3 DK2609238 T3 DK 2609238T3 DK 11745976 T DK11745976 T DK 11745976T DK 2609238 T3 DK2609238 T3 DK 2609238T3
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DK
Denmark
Prior art keywords
additive
web
fibers
nonwoven
organic
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Application number
DK11745976.8T
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English (en)
Inventor
Ralph Berkemann
Patrick Lauffenburger
Original Assignee
Fiberweb Holdings Ltd
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Publication of DK2609238T3 publication Critical patent/DK2609238T3/da

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Classifications

    • 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
    • D04H13/00—Other non-woven fabrics
    • 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
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/56—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 in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/01—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
    • D06M11/05—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof with water, e.g. steam; with heavy water
    • 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
    • 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
    • B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • 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
    • B01D2239/0435—Electret
    • 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
    • B01D2239/10—Filtering material manufacturing
    • 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
    • B01D2239/1233—Fibre diameter
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/603—Including strand or fiber material precoated with other than free metal or alloy
    • Y10T442/607—Strand or fiber material is synthetic polymer
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
    • Y10T442/626—Microfiber is synthetic polymer
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Electrostatic Separation (AREA)
  • Artificial Filaments (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Claims (19)

1. Uvævet elektretbane, der omfatter fibre fremstillet ud fra et termoplastisk polymermateriale, der omfatter en polymer, et første tilsætningsstof (a) og et andet tilsætningsstof (b), hvor det første tilsætningsstof (a) omfatter en hindret amin, og det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af organiske diaminer, der omsættes med to carboxylsyrer.
2. Uvævet elektretbane ifølge krav 1, hvor hver af det første tilsætningsstof (a) og andet tilsætningsstof (b) forekommer i en mængde på 0,5-3 vægtprocent, baseret på den samlede fibervægt.
3. Uvævet elektretbane ifølge krav 1 eller 2, hvor det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af alifatiske diaminer og en alifatisk mono- eller dicarboxylsyre.
4. Uvævet elektretbane ifølge krav 3, hvor det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af alifatiske diaminer og to mættede carboxylsyrer.
5. Uvævet elektretbane ifølge krav 1-4, hvor det andet tilsætningsstof (b) omfatter ethylen-bis-stearamid.
6. Uvævet elektretbane ifølge krav 1-5, hvor den uvævede bane har en fibertæthedsstruktur med gradienter.
7. Uvævet elektretbane ifølge et hvilket som helst af kravene 1-6, hvor den uvævede bane omfatter grove fibre med en diameter på mellem 3 og 10 pm og fine fibre med en diameter på mellem 1 og 3 pm.
8. Uvævet elektretbane ifølge krav 7, hvor andelen af grove fibre er mellem 50 og 80 %, og andelen af fine fibre er mellem 20 og 50 %, baseret på samlet antal fibre.
9. Uvævet elektretbane ifølge et hvilket som helst af kravene 1-8, hvor polymeren omfatteren polypropylen eller en kombination af forskellige polypropylener.
10. Flerlagsbane, der omfatter mindst ét lag af en uvævet elektretbane som beskrevet i et hvilket som helst af kravene 1-9.
11. Fremgangsmåde til fremstilling af en uvævet elektretbane som beskrevet i et hvilket som helst af kravene 1-9, hvilken fremgangsmåde omfatter følgende trin: i) tilvejebringelse af et termoplastisk polymermateriale, der omfatter en polymer, et første tilsætningsstof (a) og et andet tilsætningsstof (b), hvor det første tilsætningsstof (a) omfatter en hindret amin, og det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af en organisk diamin og to carboxylsyrer; ii) dannelse af fibre ud fra det termoplastiske polymermateriale; iii) dannelse af en uvævet bane ud fra fibrene som dannet i trin (ii) af en uvævet bane; og iv) behandling af fibrene som dannet i trin (ii) og/eller den uvævede bane som dannet i trin (iii) med en polær væske til opnåelse af en uvævet bane med en elektretladning.
12. Fremgangsmåde ifølge krav 11, hvor fibrene som dannet i trin (ii) behandles med den polære væske, inden fibrene underkastes banedannelse i trin (iii).
13. Fremgangsmåde ifølge krav 11 eller 12, hvor den polære væske er vand i form af dråber, der omfatter fraktioner med forskellig dråbediameter.
14. Fremgangsmåde ifølge et hvilket som helst af kravene 11-13, hvor den polære væske påsprøjtes fibrene, umiddelbart efter at de har forladt spindedysen.
15. Fremgangsmåde ifølge et hvilket som helst af kravene 11-14, hvor den polære væske påsprøjtes fibrene som dannet i trin (ii) og/eller den uvævede bane som dannet i trin (iii) ved et tryk på mellem 30 og 120 bar.
16. Fiber fremstillet ud fra et termoplastisk polymermateriale, som omfatter en polymer, et første tilsætningsstof (a) og et andet tilsætningsstof (b), hvor det første tilsætningsstof (a) omfatter en hindret amin, og det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af en organisk diamin og to carboxylsyrer.
17. Fremgangsmåde til fremstilling af en fiber, hvilken fremgangsmåde omfatter følgende trin: i) tilvejebringelse af et termoplastisk polymermateriale, der omfatter en polymer, et første tilsætningsstof (a) og et andet tilsætningsstof (b), hvor det første tilsætningsstof (a) omfatter en hindret amin, og det andet tilsætningsstof (b) omfatter et organisk bisamid, som er afledt af en organisk diamin og to carboxylsyrer; ii) dannelse af fibre ud fra det termoplastiske polymermateriale; og iii) behandling af fibrene som dannet i trin (ii) med en polær væske.
18. Anvendelse af den uvævede elektretbane ifølge et hvilket som helst af kravene 1-9 eller flerlagsbanen ifølge krav 10 som filtermateriale eller som støvfjernende stoftil rengøringsformål.
19. Genstand, der omfatter en uvævet elektretbane som beskrevet i et hvilket som helst af kravene 1-9, en flerlagsbane ifølge krav 10 eller en fiber ifølge krav 16.
DK11745976.8T 2010-08-23 2011-08-18 Uvævet bane og fibre med elektretegenskaber, fremgangsmåder til fremstilling heraf samt deres anvendelse DK2609238T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10008742 2010-08-23
EP11164767 2011-05-04
PCT/EP2011/064214 WO2012025451A1 (en) 2010-08-23 2011-08-18 Nonwoven web and fibers with electret properties, manufacturing processes thereof and their use

Publications (1)

Publication Number Publication Date
DK2609238T3 true DK2609238T3 (da) 2017-03-13

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Country Status (15)

Country Link
US (1) US10036107B2 (da)
EP (1) EP2609238B1 (da)
JP (2) JP2013540904A (da)
CN (1) CN103348048B (da)
BR (1) BR112013004279B1 (da)
CA (1) CA2809200C (da)
DK (1) DK2609238T3 (da)
ES (1) ES2616956T3 (da)
HK (1) HK1188265A1 (da)
HU (1) HUE031927T2 (da)
MX (1) MX349639B (da)
PL (1) PL2609238T3 (da)
PT (1) PT2609238T (da)
TW (1) TWI601769B (da)
WO (1) WO2012025451A1 (da)

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