EP0900295A1 - Verfahren zur herstellung eines vlieses durch hydrodynamisches vernadeln und produkt nach diesem herstellungsverfahren - Google Patents
Verfahren zur herstellung eines vlieses durch hydrodynamisches vernadeln und produkt nach diesem herstellungsverfahrenInfo
- Publication number
- EP0900295A1 EP0900295A1 EP96927024A EP96927024A EP0900295A1 EP 0900295 A1 EP0900295 A1 EP 0900295A1 EP 96927024 A EP96927024 A EP 96927024A EP 96927024 A EP96927024 A EP 96927024A EP 0900295 A1 EP0900295 A1 EP 0900295A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nonwoven
- needling
- fleece
- water
- pva fibers
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000004745 nonwoven fabric Substances 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 37
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000005871 repellent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000001723 curing Methods 0.000 claims 2
- 238000005273 aeration Methods 0.000 claims 1
- 238000005470 impregnation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
- D04H18/00—Needling machines
- D04H18/04—Needling machines with water jets
-
- 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
-
- 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]
- Y10T442/689—Hydroentangled nonwoven fabric
Definitions
- the invention has for its object to develop a method with which
- Nonwoven fabricated from these PVA fibers can be continuously solidified at a higher speed than in the mechanical process and a product can thereby be produced which is uniformly solidified and is essentially impermeable to liquids.
- the invention has now found that with some special parameters it is still possible to consolidate a nonwoven product made from this fiber using the hydrodynamic method. So it is z. B. advantageous if the previously moistened non-woven is acted upon on both sides with the water jets and in each case by several water jets in succession, the energy of the jets of the following nozzle bars should always be higher, for. B. from 50 bar to 120 bar on the first side and from 120 bar to 160 bar on the second side. The last needling on each side should take place at about 80 bar and be carried out with a larger number of water jets distributed over the width of the nonwoven in order to achieve a uniformly smooth surface. With these conditions, a nonwoven weight of 40 to 150 g / m 2 can be consolidated. The transport speed of the nonwoven during consolidation is 70 m / min and more. The fleece treatment speed is only dependent on the possible fleece speed. The production speed is adapted to the respective fleece weights, in any case it is lower with higher weights. 7
- the needled fleece is to be mechanically dewatered immediately before drying, e.g. B. squeeze or suction to achieve a moisture that is not higher than 100% moisture. Then the fleece is to be dried with a drying air that is not heated higher than 120 ° C. It is particularly advantageous if the drying takes place with the ventilation, here in particular with the treatment, on a rotating sieve drum placed inside with suction and the air speed in the fleece is increased by up to 4 m / sec by a high fan speed. Various tests have shown that this method does not damage the PVA fiber. Both during the drying process and during the subsequent hot final treatment, there were no discernible disadvantages like the usual brown spots. Basically, drying is also possible with a belt dryer, where ventilation can also be generated, or with an IR dryer or the like
- the fleece should also be provided with a water-repellent impregnation such as foam or liquid impregnation, it is advisable to do this after a first Carry out drying to 30% moisture, unless the impregnation is carried out wet in wet. Then after the first drying, the second drying stage should be carried out in the same way as the first at a temperature up to 120 ° C and the fleece should be fully dried. It is also possible to apply the impregnation only after drying. B. up to 5% moisture. After the needled fleece has dried completely, it is no problem if the fleece is still crosslinked at temperatures up to 210 ° C
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19620503 | 1996-05-22 | ||
DE19620503A DE19620503A1 (de) | 1996-05-22 | 1996-05-22 | Verfahren zur Herstellung eines Vlieses durch hydromechanisches Vernadeln und Produkt nach diesem Herstellungsverfahren |
PCT/EP1996/003130 WO1997044512A1 (de) | 1996-05-22 | 1996-07-17 | Verfahren zur herstellung eines vlieses durch hydrodynamisches vernadeln und produkt nach diesem herstellungsverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0900295A1 true EP0900295A1 (de) | 1999-03-10 |
EP0900295B1 EP0900295B1 (de) | 2000-05-31 |
Family
ID=7794943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96927024A Expired - Lifetime EP0900295B1 (de) | 1996-05-22 | 1996-07-17 | Verfahren zur Herstellung eines Vlieses hydrodynamischer Vernadelung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6112385A (de) |
EP (1) | EP0900295B1 (de) |
CN (1) | CN1119446C (de) |
DE (2) | DE19620503A1 (de) |
WO (1) | WO1997044512A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000058539A1 (en) * | 1999-03-26 | 2000-10-05 | Isolyser Company, Inc. | Spunlaced poly(vinyl alcohol) fabrics |
US6420284B1 (en) | 1999-03-26 | 2002-07-16 | Isolyser Company, Inc. | Poly (vinyl alcohol) wipes |
US6319455B1 (en) | 1999-08-13 | 2001-11-20 | First Quality Nonwovens, Inc. | Nonwoven fabric with high CD elongation and method of making same |
JP2003513175A (ja) * | 1999-10-28 | 2003-04-08 | キンバリー クラーク ワールドワイド インコーポレイテッド | 分散性の不織材料 |
US6576575B2 (en) | 2000-05-15 | 2003-06-10 | Kimberly-Clark Worldwide, Inc. | Dispersible adherent article |
EP1424425A1 (de) * | 2002-11-27 | 2004-06-02 | Polyfelt Gesellschaft m.b.H. | Verfahren zur Herstellung von Geotextilien aus schmeltgesponnenen Fasern |
DE602004028187D1 (de) * | 2003-03-10 | 2010-09-02 | Kuraray Co | Polyvinylalkoholfasern und diese enthaltende Vliesstoffe |
FR2856952B1 (fr) * | 2003-07-01 | 2006-09-01 | Rieter Perfojet | Nontisse biodegradable |
WO2005007959A1 (de) * | 2003-07-16 | 2005-01-27 | Fleissner Gmbh | Vollsynthetisches wischtuch, verfahren und anlage zur herstellung des wischtuches |
DE10345086A1 (de) * | 2003-07-16 | 2005-02-03 | Fleissner Gmbh | Vollsynthetisches Wischtuch, Verfahren und Anlage zur Herstellung des Wischtuchs |
US7328463B2 (en) * | 2003-09-08 | 2008-02-12 | Microtek Medical Holdings, Inc. | Water-soluble articles and methods of making and using the same |
US7378360B2 (en) | 2003-12-17 | 2008-05-27 | Kimberly-Clark Worldwide, Inc. | Water dispersible, pre-saturated wiping products |
US20090069825A1 (en) * | 2005-03-22 | 2009-03-12 | Agency For Science, Technology And Research | Scaffold and Method of Forming Scaffold by Entangling Fibres |
EP1931482A2 (de) * | 2005-09-12 | 2008-06-18 | Sellars Absorbent Materials, Inc. | Verfahren und vorrichtung zur herstellung von handtüchern, taschentüchern und wischtüchern auf einer luftkardier- oder luftlegestrasse unter verwendung von wasserstoffbindungen |
EP2128320B1 (de) * | 2008-05-29 | 2013-09-25 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Verfahren und Vorrichtung zur Herstellung von Spinnvliesen aus Filamenten |
KR101001260B1 (ko) | 2009-10-14 | 2010-12-14 | (주)태봉 | 친환경 한지부직포의 제조방법 |
DE202019100745U1 (de) | 2019-02-08 | 2020-05-11 | Autefa Solutions Germany Gmbh | Trocknungseinrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3930086A (en) * | 1971-01-05 | 1975-12-30 | Johnson & Johnson | Apertured nonwoven fabrics |
US4970104A (en) * | 1988-03-18 | 1990-11-13 | Kimberly-Clark Corporation | Nonwoven material subjected to hydraulic jet treatment in spots |
US5650219A (en) * | 1991-04-10 | 1997-07-22 | Isolyser Co. Inc. | Method of disposal of hot water soluble garments and like fabrics |
US5885907A (en) * | 1993-04-29 | 1999-03-23 | Isolyser Company, Inc. | Method of disposal of hot water soluble garments and like fabrics |
US5500281A (en) * | 1994-02-23 | 1996-03-19 | International Paper Company | Absorbent, flushable, bio-degradable, medically-safe nonwoven fabric with PVA binding fibers, and process for making the same |
-
1996
- 1996-05-22 DE DE19620503A patent/DE19620503A1/de not_active Withdrawn
- 1996-07-17 CN CN96195762A patent/CN1119446C/zh not_active Expired - Fee Related
- 1996-07-17 DE DE59605371T patent/DE59605371D1/de not_active Expired - Fee Related
- 1996-07-17 EP EP96927024A patent/EP0900295B1/de not_active Expired - Lifetime
- 1996-07-17 US US08/983,482 patent/US6112385A/en not_active Expired - Fee Related
- 1996-07-17 WO PCT/EP1996/003130 patent/WO1997044512A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9744512A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1997044512A1 (de) | 1997-11-27 |
EP0900295B1 (de) | 2000-05-31 |
DE19620503A1 (de) | 1997-11-27 |
DE59605371D1 (de) | 2000-07-06 |
CN1191582A (zh) | 1998-08-26 |
CN1119446C (zh) | 2003-08-27 |
US6112385A (en) | 2000-09-05 |
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