EP4293148A1 - Couche non tissée comprenant un réseau de fibres cellulosiques régénérées sensiblement continues - Google Patents
Couche non tissée comprenant un réseau de fibres cellulosiques régénérées sensiblement continues Download PDFInfo
- Publication number
- EP4293148A1 EP4293148A1 EP22179266.6A EP22179266A EP4293148A1 EP 4293148 A1 EP4293148 A1 EP 4293148A1 EP 22179266 A EP22179266 A EP 22179266A EP 4293148 A1 EP4293148 A1 EP 4293148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nonwoven layer
- nonwoven
- sample
- fibers
- layer according
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010561 standard procedure Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 44
- 239000011148 porous material Substances 0.000 claims description 44
- 238000003556 assay Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 238000009987 spinning Methods 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 17
- 229920000433 Lyocell Polymers 0.000 claims description 12
- 239000002250 absorbent Substances 0.000 claims description 12
- 230000002745 absorbent Effects 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 description 37
- 230000015271 coagulation Effects 0.000 description 19
- 238000005345 coagulation Methods 0.000 description 19
- 238000009826 distribution Methods 0.000 description 14
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000021615 conjugation Effects 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 238000002459 porosimetry Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 238000003149 assay kit Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 208000025721 COVID-19 Diseases 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013096 assay test Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 108700005457 microfibrillar Proteins 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004747 spunlaid nonwoven Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- -1 washing liquor Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22179266.6A EP4293148A1 (fr) | 2022-06-15 | 2022-06-15 | Couche non tissée comprenant un réseau de fibres cellulosiques régénérées sensiblement continues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22179266.6A EP4293148A1 (fr) | 2022-06-15 | 2022-06-15 | Couche non tissée comprenant un réseau de fibres cellulosiques régénérées sensiblement continues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4293148A1 true EP4293148A1 (fr) | 2023-12-20 |
Family
ID=82067635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22179266.6A Pending EP4293148A1 (fr) | 2022-06-15 | 2022-06-15 | Couche non tissée comprenant un réseau de fibres cellulosiques régénérées sensiblement continues |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP4293148A1 (fr) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1093536B1 (fr) | 1998-06-05 | 2003-10-01 | Tencel Limited | Non-Tisse et procede servant a le fabriquer |
| WO2007124521A1 (fr) | 2006-04-28 | 2007-11-08 | Lenzing Aktiengesellschaft | Produits hydro-enchevêtrés comprenant des fibres de cellulose |
| EP2212456B1 (fr) | 2007-11-07 | 2015-07-22 | Lenzing Aktiengesellschaft | Procédé de production d'un produit hydrolié comprenant des fibres de cellulose |
| JP2017215284A (ja) * | 2016-06-02 | 2017-12-07 | 旭化成株式会社 | イムノクロマトグラフィー試験装置 |
| WO2018071928A1 (fr) | 2016-10-21 | 2018-04-26 | Lenzing Ag | Procédé et dispositif de formation de bandes cellulosiques directement formées |
| WO2018184932A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Tissu en fibres de cellulose non tissées à capacité de capillarité de liquide adaptée |
| WO2018184941A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Tissu de fibres non tissées de cellulose contenant des fibres fusionnées |
| WO2018184038A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Ag | Non-tissé de cellulose à filament continu fabriqué selon de multiples techniques de liaison |
| WO2020016296A1 (fr) | 2018-07-17 | 2020-01-23 | Lenzing Aktiengesellschaft | Procédé et dispositif de séparation de solvant de l'air de processus lors de la fabrication de filé-lié |
-
2022
- 2022-06-15 EP EP22179266.6A patent/EP4293148A1/fr active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1093536B1 (fr) | 1998-06-05 | 2003-10-01 | Tencel Limited | Non-Tisse et procede servant a le fabriquer |
| WO2007124521A1 (fr) | 2006-04-28 | 2007-11-08 | Lenzing Aktiengesellschaft | Produits hydro-enchevêtrés comprenant des fibres de cellulose |
| EP2013390B1 (fr) | 2006-04-28 | 2015-08-19 | Lenzing Aktiengesellschaft | Produits hydro-enchevêtrés comprenant des fibres de cellulose |
| EP2212456B1 (fr) | 2007-11-07 | 2015-07-22 | Lenzing Aktiengesellschaft | Procédé de production d'un produit hydrolié comprenant des fibres de cellulose |
| JP2017215284A (ja) * | 2016-06-02 | 2017-12-07 | 旭化成株式会社 | イムノクロマトグラフィー試験装置 |
| WO2018071928A1 (fr) | 2016-10-21 | 2018-04-26 | Lenzing Ag | Procédé et dispositif de formation de bandes cellulosiques directement formées |
| WO2018184932A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Tissu en fibres de cellulose non tissées à capacité de capillarité de liquide adaptée |
| WO2018184941A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Aktiengesellschaft | Tissu de fibres non tissées de cellulose contenant des fibres fusionnées |
| WO2018184038A1 (fr) | 2017-04-03 | 2018-10-11 | Lenzing Ag | Non-tissé de cellulose à filament continu fabriqué selon de multiples techniques de liaison |
| WO2020016296A1 (fr) | 2018-07-17 | 2020-01-23 | Lenzing Aktiengesellschaft | Procédé et dispositif de séparation de solvant de l'air de processus lors de la fabrication de filé-lié |
Non-Patent Citations (1)
| Title |
|---|
| DODSON, C.T.J.HANDLEY, AMOBA, YSAMPSON, W: "The pore radius distribution in paper. Part I: The effect of formation and grammage", APPITA JOURNAL, vol. 56, 2002 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
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| AK | Designated contracting states |
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