EP0885321B1 - Melt-blown-vlies, verfahren zu dessen herstellung und dessen verwendungen - Google Patents
Melt-blown-vlies, verfahren zu dessen herstellung und dessen verwendungen Download PDFInfo
- Publication number
- EP0885321B1 EP0885321B1 EP96944588A EP96944588A EP0885321B1 EP 0885321 B1 EP0885321 B1 EP 0885321B1 EP 96944588 A EP96944588 A EP 96944588A EP 96944588 A EP96944588 A EP 96944588A EP 0885321 B1 EP0885321 B1 EP 0885321B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- melt
- plasticizer
- blown
- blown web
- web
- 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
-
- 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
- D04H3/013—Regenerated cellulose series
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
- A24D3/068—Biodegradable or disintegrable
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- 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
- D04H1/425—Cellulose 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
- 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
- D04H3/07—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 otherwise than in a plane, e.g. in a tubular way
- D04H3/077—Stick, rod or solid cylinder shaped
-
- 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
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/298—Physical dimension
-
- 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]
-
- 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]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/668—Separate nonwoven fabric layers comprise chemically different strand or fiber material
-
- 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]
- Y10T442/68—Melt-blown nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Claims (27)
- Melt-blown-Vlies auf der Basis von Celluloseestern, insbesondere von Celluloseacetat, mit Fasern eines mittleren Faserdurchmessers von weniger als etwa 10 µm, dadurch gekennzeichnet, daß es etwa 0 bis 10 Masse-% eines extrahierbaren Weichmachers enthält, einen Reflexionsfaktor (R∞), bestimmt nach DIN 53 145 Teil 1 (1992), von mehr als etwa 60% und der Celluloseester einen Substitutionsgrad DS von etwa 1,5 bis 3,0 aufweist.
- Melt-blown-Vlies nach Anspruch 1, dadurch gekennzeichnet, daß der Weichmacher wasserextrahierbar ist.
- Melt-blown-Vlies nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Weichmacher in Form von Triacetin, Ethylen- und Propylencarbonat, Zitronensäuretriethylester, Triethylenglykoldiacetat, Polyethylenglykol mit niedrigem Molekulargewicht und/oder Sulfolan vorliegt.
- Melt-blown-Vlies nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Substitutionsgrad DS etwa 1,7 bis 2,7, insbesondere etwa 2,2 bis 2,6, beträgt.
- Melt-blown-Vlies nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Celluloseester einen Polymerisationsgrad DP von etwa 150 bis 400, insbesondere etwa 180 bis 350, besitzt.
- Melt-blown-Vlies nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Gehalt an Weichmacher etwa 2 bis 8 Masse-% beträgt.
- Melt-blown-Vlies nach mindestens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Reflexionsfaktor (R∞) mehr als etwa 70% beträgt.
- Melt-blown-Vlies nach mindestens einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Celluloseacetat in Form eines Polymerblends, insbesondere mit aliphatischen Polyestern und/oder acetylierten Stärken, vorliegt.
- Verfahren zur Herstellung eines Melt-blown-Vlieses nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Celluloseester, insbesondere Celluloseacetat, eines Substitutionsgrades DS von etwa 1,5 bis 3,0, insbesondere von etwa 1,7 bis 2,7, mit einem Weichmacher in einem Masse-Verhältnis von etwa 2:1 bis 1:4 unter Erwärmen gemischt und in eine Schmelze überführt wird, wobei die Mischung aus Weichmacher und Celluloseester einen Schmelzindex MFI (210/2.16) nach DIN 53 735 von etwa 400 bis 5 g/10 min, insbesondere 300 bis 50 g/10 min, aufweist, die Schmelze in einer Melt-blown-Spinneinrichtung zu einem Melt-blown-Vlies verarbeitet und anschließend der Weichmacher bis zu einem Anteil von etwa 0 bis 10 Masse-% mit einem Lösungsmittel für den Weichmacher extrahiert wird.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Masse-Verhältnis von Weichmacher zu Celluloseester auf etwa 3:2 bis 2:3 eingestellt wird.
- Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß die Temperatur beim Mischen des Weichmachers mit dem Celluloseester auf etwa 140 bis 180°C eingestellt wird.
- Verfahren nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß die Temperatur am Spinnkopf und der Düse der Melt-blown-Spinneinrichtung auf etwa 180 bis 240°C, insbesondere etwa 200 bis 230°C, eingestellt wird.
- Verfahren nach mindestens einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß das Mischen von Cellulose und Weichmacher in einem gleichlaufenden Zweischneckenextruder durchgeführt wird.
- Verfahren nach mindestens einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, daß ein wasserextrahierbarer Weichmacher verwendet wird.
- Verfahren nach Anspruch 14, dadurch gekennzeichnet, daß das erhaltene Melt-blown-Vlies zur Extraktion des Weichmachers in ein Wasserbad geleitet wird.
- Verfahren nach mindestens einem der Ansprüche 9 bis 15, dadurch gekennzeichnet, daß das die Melt-blown-Spinneinrichtung verlassende Vlies auf eine Ablagevorrichtung überführt, zur Einstellung der gewünschten Stärke gepreßt und dann extrahiert wird.
- Verfahren nach Anspruch 16, dadurch gekennzeichnet, daß das Melt-blown-Vlies beim Pressen strukturiert wird.
- Verfahren nach Anspruch 16 oder 17, dadurch gekennzeichnet, daß das Melt-blown-Vlies auf ein Sieb bzw. ein Siebband oder eine Siebstrommel abgelegt wird.
- Verfahren nach mindestens einem der Ansprüche 9 bis 18, dadurch gekennzeichnet, daß bei der Ausbildung des Melt-blown-Vlieses gleichzeitg Filamente, insbesondere Celluloseacetat-Filamente, eingebracht werden.
- Verfahren nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das die Spinneinrichtung verlassende Melt-blown-Vlies zur Ausbildung eines Verbundgebildes auf einen Träger abgelegt wird.
- Verfahren nach Anspruch 20, dadurch gekennzeichnet, daß der Träger ein Vlies aus einem Celluloseacetat-Filtertow, einem flächig aufbereiteten Filtertow oder aus Papier ist.
- Verfahren nach Anspruch 20 oder 21, dadurch gekennzeichnet, daß das Verbundgebilde zur Regulierung seiner Stärke gepreßt und/oder strukturiert wird.
- Verwendung eines Melt-blown-Vlieses nach mindestens einem der Ansprüche 1 bis 8 als Filtermaterial.
- Verwendung eines Melt-blown-Vlieses nach Anspruch 23 in Tabakrauchfiltern. insbesondere in Zigarettenfiltern.
- Verwendung eines Melt-blown-Vlieses nach Anspruch 24 in Doppelfiltern für Ultraleichtzigaretten.
- Verwendung eines Melt-blown-Vlieses nach Anspruch 23 zur Filtration von Gasen oder Flüssigkeiten.
- Verwendung eines Melt-blown-Vlieses nach Anspruch 26 zur Filtration von Blut.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19609143 | 1996-03-08 | ||
DE19609143A DE19609143C1 (de) | 1996-03-08 | 1996-03-08 | Melt-blown-Vlies, Verfahren zu dessen Herstellung und dessen Verwendungen |
PCT/EP1996/005686 WO1997033026A1 (de) | 1996-03-08 | 1996-12-18 | Melt-blown-vlies, verfahren zu dessen herstellung und dessen verwendungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0885321A1 EP0885321A1 (de) | 1998-12-23 |
EP0885321B1 true EP0885321B1 (de) | 2000-05-10 |
Family
ID=7787707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96944588A Expired - Lifetime EP0885321B1 (de) | 1996-03-08 | 1996-12-18 | Melt-blown-vlies, verfahren zu dessen herstellung und dessen verwendungen |
Country Status (7)
Country | Link |
---|---|
US (1) | US6207601B1 (de) |
EP (1) | EP0885321B1 (de) |
JP (1) | JP3251018B2 (de) |
AT (1) | ATE192789T1 (de) |
AU (1) | AU1302297A (de) |
DE (2) | DE19609143C1 (de) |
WO (1) | WO1997033026A1 (de) |
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DE19753195A1 (de) * | 1997-11-21 | 1999-05-27 | Reemtsma H F & Ph | Biologisch abbaubarer Filter für Cigaretten |
DE19951062C2 (de) * | 1999-10-22 | 2002-04-04 | Rhodia Acetow Gmbh | Hochleistungs-Zigarettenfilter |
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US7585905B2 (en) | 2003-03-14 | 2009-09-08 | Eastman Chemical Company | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
US8461234B2 (en) * | 2003-03-14 | 2013-06-11 | Eastman Chemical Company | Refinish coating compositions comprising low molecular weight cellulose mixed esters |
US8124676B2 (en) * | 2003-03-14 | 2012-02-28 | Eastman Chemical Company | Basecoat coating compositions comprising low molecular weight cellulose mixed esters |
US8039531B2 (en) * | 2003-03-14 | 2011-10-18 | Eastman Chemical Company | Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1560800A1 (de) * | 1966-02-10 | 1971-01-07 | Lutravil Spinnvlies | Verfahren und Vorrichtung zur Herstellung von Mischvliesen durch Schmelzspinnen |
US3825379A (en) * | 1972-04-10 | 1974-07-23 | Exxon Research Engineering Co | Melt-blowing die using capillary tubes |
DE3521221A1 (de) * | 1985-06-13 | 1986-12-18 | Rhodia Ag, 7800 Freiburg | Verfahren zur herstellung von spinnvliesen |
US4714647A (en) * | 1986-05-02 | 1987-12-22 | Kimberly-Clark Corporation | Melt-blown material with depth fiber size gradient |
US4869275A (en) * | 1987-02-24 | 1989-09-26 | American Filtrona Corporation | Ultra-high filtration filter |
DE3914022A1 (de) * | 1989-04-28 | 1990-10-31 | Aeterna Lichte Gmbh & Co Kg | Biologisch abbaubare kunststoffmaterialien |
EP0622407A1 (de) * | 1993-04-28 | 1994-11-02 | Hoechst Celanese Corporation | Polymermischung aus Celluloseacetat und Stärkeacetat, die zur Formung von Fasern, Filmen und Kunststoffmaterialien verwendet wird; Verfahren zur Herstellung dieser Mischung |
DE4322966C2 (de) * | 1993-07-09 | 1995-10-26 | Rhodia Ag Rhone Poulenc | Aus Celluloseacetat geformte Gebilde und ihre Verwendung als Filtertow und Tabakrauchfilterelement |
US5509430A (en) * | 1993-12-14 | 1996-04-23 | American Filtrona Corporation | Bicomponent fibers and tobacco smoke filters formed therefrom |
-
1996
- 1996-03-08 DE DE19609143A patent/DE19609143C1/de not_active Expired - Fee Related
- 1996-12-18 US US09/077,044 patent/US6207601B1/en not_active Expired - Fee Related
- 1996-12-18 JP JP53137997A patent/JP3251018B2/ja not_active Expired - Fee Related
- 1996-12-18 AU AU13022/97A patent/AU1302297A/en not_active Abandoned
- 1996-12-18 EP EP96944588A patent/EP0885321B1/de not_active Expired - Lifetime
- 1996-12-18 WO PCT/EP1996/005686 patent/WO1997033026A1/de active IP Right Grant
- 1996-12-18 DE DE59605210T patent/DE59605210D1/de not_active Expired - Fee Related
- 1996-12-18 AT AT96944588T patent/ATE192789T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0885321A1 (de) | 1998-12-23 |
AU1302297A (en) | 1997-09-22 |
US6207601B1 (en) | 2001-03-27 |
JPH11506175A (ja) | 1999-06-02 |
WO1997033026A1 (de) | 1997-09-12 |
JP3251018B2 (ja) | 2002-01-28 |
DE19609143C1 (de) | 1997-11-13 |
DE59605210D1 (de) | 2000-06-15 |
ATE192789T1 (de) | 2000-05-15 |
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