WO2012034934A1 - Verfahren zur verfestigung eines faservlieses - Google Patents
Verfahren zur verfestigung eines faservlieses Download PDFInfo
- Publication number
- WO2012034934A1 WO2012034934A1 PCT/EP2011/065621 EP2011065621W WO2012034934A1 WO 2012034934 A1 WO2012034934 A1 WO 2012034934A1 EP 2011065621 W EP2011065621 W EP 2011065621W WO 2012034934 A1 WO2012034934 A1 WO 2012034934A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fibers
- nonwoven fabric
- flat
- fiber
- viscose
- Prior art date
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
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- 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
- 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
- D04H1/4258—Regenerated 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
- 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
- D04H1/4391—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 characterised by the shape of the fibres
- D04H1/43912—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 characterised by the shape of the fibres fibres with noncircular cross-sections
-
- 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
- D04H1/4391—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 characterised by the shape of the fibres
- D04H1/43914—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 characterised by the shape of the fibres hollow fibres
-
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
-
- 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
- D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups
- D06C29/005—Finishing or dressing, of textile fabrics, not provided for in the preceding groups hydroentangling
Definitions
- the present invention relates to a method for solidifying a nonwoven fabric by means of water jet treatment.
- the solidification of the carded fabric presented is achieved by an interweaving and turbulence of the fibers.
- the submitted fibers are detected by the water jets, set in motion and three-dimensional entwined by a swirling movement.
- cotton As a particularly suitable fiber material for hydroentanglement, cotton is generally considered, see e.g. the article "Aquajet Spunlace Process - Technology for Cotton Fibers” by Alfred Watzl, Fleissner Co. The low wet modulus of the cotton fibers and the fact that the fiber does not have a round, smooth fiber cross-section are considered favorable.
- modulus fibers (hereinafter referred to as "modulus of elasticity”) are suitable, which are essentially non-cellulosic fibers.
- the present invention has as its object to provide a method for
- a method for solidifying a nonwoven fabric by means of water beam treatment which is characterized in that the nonwoven fabric comprises flat fibers in the form of collapsed viscose hollow fibers with a ratio of width B to thickness D of B: D> 10: 1 contains.
- the present invention relates to a hydroentangled nonwoven fabric comprising flat fibers in the form of collapsed viscose hollow fibers having a ratio of width B to thickness D of B: D> 10: 1.
- the flat fibers contained in the nonwoven fabric preferably have a ratio B: D of 10: 1 to 30: 1, particularly preferably of 20: 1.
- the flat fibers may preferably have a titer of 0.9 to 5 dtex, particularly preferably 1.3 to 1.9 dtex.
- Flat fibers and their production are known.
- Flat fibers have a substantially flat or elongated cross-section, in contrast to the usually substantially circular cross-section of fibers.
- cellulosic flat fibers can be produced by spinning a cellulose or a cellulose derivative containing dope through slit-shaped spinnerets.
- flat fibers may alternatively be in the form of collapsed Hollow fibers are produced.
- a gas for example nitrogen, or a blowing agent, for example sodium carbonate, is mixed into the spinning viscose.
- cellulosic flat fibers are e.g. from GB 945,306 A, which
- WO 2006/134132 describes the use of viscose flat fibers in one
- the flat fibers used preferably have a krenellated (crenellated) surface, and thus, in contrast to collapsed hollow fibers, are produced by means of spinning through a slot die.
- the ribbed surface of such flat fibers reduces fiber-fiber adhesion and thus strength.
- the achievable thickness in conventional flat fibers is limited by the nozzle geometry. When spinning with nozzles with an opening of 25 ⁇ height generally results in a fiber thickness of about 4-6 ⁇ . To consistently produce a fiber thickness of about 2-3 ⁇ as in collapsed hollow fibers, a nozzle opening of about 12.5 ⁇ height would be necessary, which is neither in the nozzle production, nor in the production of
- Viscose fibers with conventional methods is economically feasible.
- viscose flat fibers used according to the invention are collapsed hollow fibers which, as mentioned above, are introduced by introducing gas or a propellant
- the fiber can be completely collapsed or still slightly open. However, the water retention capacity of the fiber should preferably be 200% or less (measured according to DIN 53814).
- the fiber cross section of the fibers should be predominantly flat and preferably not branched.
- the proportion of the flat fibers in the nonwoven fabric is preferably 5% to 100%, in particular 20% or more, particularly preferably 50% or more.
- the nonwoven fabric can thus consist entirely of the flat fibers or else contain a mixture of the flat fibers with other fibers. Suitable mixing partners are all cellulosic and non-cellulosic fiber materials which are suitable for hydroentanglement. It is clear to the person skilled in the art that the effect according to the invention (ie the strength increase of the nonwoven or the energy saving) is all the more pronounced, the higher the content of flat fibers in the nonwoven.
- the invention also relates to a hydroentangled nonwoven fabric comprising flat fibers in the form of collapsed viscose hollow fibers having a ratio of width B to thickness D of B: D> 10: 1.
- a hydroentangled nonwoven fabric comprising flat fibers in the form of collapsed viscose hollow fibers having a ratio of width B to thickness D of B: D> 10: 1.
- the fibers were presented as carded web and solidified on both sides in two passages.
- Nonwoven fabrics with two basis weights and with two solidification stages (lighter - higher solidification) were produced from each fiber.
- Basis weights 50g / m 2 or 80g / m 2
- Solidification stages (solidification pressure indicated in each case as the sum of all pressures of all nozzle beams in both passages)
- the higher solidification pressure is thus about 50% above the low
- the maximum elongation at break (with the same weight per unit area and with the same degree of consolidation) is significantly lower for nonwovens made from flat fibers than for nonwoven fabric made from standard viscose fibers. This is probably due to the higher proportion of fiber-fiber bonds.
- Nonwovens with flat fibers show, at the same experimental settings, a significantly higher MD / CD ratio than nonwovens made of standard viscose fibers.
- the MD / CD ratio increases by reorientation of the fibers in the solidification process.
- the significantly higher MD / CD ratio of the nonwovens made of flat fibers compared to the nonwoven fabrics of standard viscose fibers at the same pressures shows the significantly higher flexibility of the flat fiber, which substantially facilitates the solidification process.
- the strength of a nonwoven fabric normally correlates with the basis weight for the same consolidation.
- the nonwoven reached only about 75% of its solidification potential in this solidification stage.
- the example of the 80 g / m 2 nonwovens clearly shows the advantages of the use according to the invention of flat fibers in water-jet solidification.
- Nonwoven fabric made of standard viscose fiber - at 145 bar hardening pressure is a standard viscose fiber - at 145 bar hardening pressure
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013005857-9A BR112013005857B1 (pt) | 2010-09-14 | 2011-09-09 | Processo para reforço de um velo de fibras e não tecido reforçado por jato dágua |
EP11752567.5A EP2616578B1 (de) | 2010-09-14 | 2011-09-09 | Verfahren zur verfestigung eines faservlieses |
US13/821,843 US20190194846A1 (en) | 2010-09-14 | 2011-09-09 | Method for strengthening a nonwoven fabric |
KR1020137004388A KR101889112B1 (ko) | 2010-09-14 | 2011-09-09 | 부직포를 강화시키는 방법 |
CN201180043933.3A CN103080397B (zh) | 2010-09-14 | 2011-09-09 | 加固非织造织物的方法 |
JP2013527615A JP2013537263A (ja) | 2010-09-14 | 2011-09-09 | 不織布の強化方法 |
IL225101A IL225101A (en) | 2010-09-14 | 2013-03-07 | A method of reinforcing nonwoven fabric |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10009534.8 | 2010-09-14 | ||
EP10009534A EP2428603A1 (de) | 2010-09-14 | 2010-09-14 | Verfahren zur Verfestigung eines Faservlieses |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012034934A1 true WO2012034934A1 (de) | 2012-03-22 |
Family
ID=43587658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/065621 WO2012034934A1 (de) | 2010-09-14 | 2011-09-09 | Verfahren zur verfestigung eines faservlieses |
Country Status (8)
Country | Link |
---|---|
US (1) | US20190194846A1 (de) |
EP (2) | EP2428603A1 (de) |
JP (1) | JP2013537263A (de) |
KR (1) | KR101889112B1 (de) |
CN (1) | CN103080397B (de) |
BR (1) | BR112013005857B1 (de) |
IL (1) | IL225101A (de) |
WO (1) | WO2012034934A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB945306A (en) | 1959-06-16 | 1963-12-23 | Lipaco Sa | Paper and method of making same |
US3156605A (en) | 1960-03-25 | 1964-11-10 | Fmc Corp | Regenerated cellulose fiber |
GB1063217A (en) | 1962-08-25 | 1967-03-30 | Kurashiki Rayon Kk | Papers and non-woven fabrics containing mixed spun fibres |
US3318990A (en) | 1962-08-18 | 1967-05-09 | Kurashiki Rayon Co | Method of manufacturing flat viscose fibers |
WO2006134132A1 (de) | 2005-06-15 | 2006-12-21 | Kelheim Fibres Gmbh | In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1064477A (en) * | 1962-09-12 | 1967-04-05 | Kurashiki Rayon Kk | Opaque paper having a slight lustre |
GB1260839A (en) * | 1968-05-06 | 1972-01-19 | Courtaulds Ltd | Regenerated cellulose strips |
JPS4820165B1 (de) * | 1969-10-06 | 1973-06-19 | ||
JPS4914423B1 (de) * | 1970-12-29 | 1974-04-08 | ||
JPS5013245B2 (de) * | 1972-06-10 | 1975-05-19 | ||
US4755421A (en) * | 1987-08-07 | 1988-07-05 | James River Corporation Of Virginia | Hydroentangled disintegratable fabric |
JPH0820165B2 (ja) * | 1989-04-21 | 1996-03-04 | ホシザキ電機株式会社 | 蓄氷式冷水供給装置 |
JPH08141064A (ja) * | 1994-11-18 | 1996-06-04 | Toho Rayon Co Ltd | 高保水材及びその製造法 |
GB2309466B (en) * | 1996-01-29 | 1999-09-08 | Courtaulds Fibres | A nonwoven fabric |
JPH11172520A (ja) * | 1997-12-08 | 1999-06-29 | Daiwabo Rayonne Kk | 中空ビスコースレーヨンの製造方法 |
JP4721585B2 (ja) * | 2001-09-25 | 2011-07-13 | ライオン株式会社 | 拭き取りシート |
FR2899245B1 (fr) * | 2006-03-28 | 2009-07-03 | Rieter Perfojet Sa | Non-tisse resistant et se delitant. |
JP2008025048A (ja) * | 2006-07-20 | 2008-02-07 | Japan Vilene Co Ltd | 印刷用基材 |
-
2010
- 2010-09-14 EP EP10009534A patent/EP2428603A1/de not_active Withdrawn
-
2011
- 2011-09-09 EP EP11752567.5A patent/EP2616578B1/de active Active
- 2011-09-09 KR KR1020137004388A patent/KR101889112B1/ko active IP Right Grant
- 2011-09-09 CN CN201180043933.3A patent/CN103080397B/zh active Active
- 2011-09-09 JP JP2013527615A patent/JP2013537263A/ja active Pending
- 2011-09-09 US US13/821,843 patent/US20190194846A1/en not_active Abandoned
- 2011-09-09 BR BR112013005857-9A patent/BR112013005857B1/pt active IP Right Grant
- 2011-09-09 WO PCT/EP2011/065621 patent/WO2012034934A1/de active Application Filing
-
2013
- 2013-03-07 IL IL225101A patent/IL225101A/en active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB945306A (en) | 1959-06-16 | 1963-12-23 | Lipaco Sa | Paper and method of making same |
US3156605A (en) | 1960-03-25 | 1964-11-10 | Fmc Corp | Regenerated cellulose fiber |
US3318990A (en) | 1962-08-18 | 1967-05-09 | Kurashiki Rayon Co | Method of manufacturing flat viscose fibers |
GB1063217A (en) | 1962-08-25 | 1967-03-30 | Kurashiki Rayon Kk | Papers and non-woven fabrics containing mixed spun fibres |
WO2006134132A1 (de) | 2005-06-15 | 2006-12-21 | Kelheim Fibres Gmbh | In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus |
Non-Patent Citations (1)
Title |
---|
C.R. WOODINGS, A. J. BARTHOLOMEW: "The manufacture properties and uses of inflated viscose rayon fibres", TAPPI NONWOVENS SYMPOSIUM, 1985, pages 155 - 165, Retrieved from the Internet <URL:http://www.nonwoven.co.uk/publications cat4.php> |
Also Published As
Publication number | Publication date |
---|---|
CN103080397B (zh) | 2017-04-26 |
BR112013005857B1 (pt) | 2020-07-28 |
KR101889112B1 (ko) | 2018-08-16 |
JP2013537263A (ja) | 2013-09-30 |
EP2616578B1 (de) | 2014-11-12 |
IL225101A (en) | 2017-05-29 |
EP2616578A1 (de) | 2013-07-24 |
US20190194846A1 (en) | 2019-06-27 |
CN103080397A (zh) | 2013-05-01 |
KR20130139859A (ko) | 2013-12-23 |
BR112013005857A2 (pt) | 2016-05-17 |
EP2428603A1 (de) | 2012-03-14 |
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