SE503272C2 - Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial - Google Patents
Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterialInfo
- Publication number
- SE503272C2 SE503272C2 SE9402804A SE9402804A SE503272C2 SE 503272 C2 SE503272 C2 SE 503272C2 SE 9402804 A SE9402804 A SE 9402804A SE 9402804 A SE9402804 A SE 9402804A SE 503272 C2 SE503272 C2 SE 503272C2
- Authority
- SE
- Sweden
- Prior art keywords
- fibers
- nonwoven
- waste
- recycled
- nonwoven material
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 7
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 239000010784 textile waste Substances 0.000 claims abstract description 7
- 230000002745 absorbent Effects 0.000 claims abstract description 4
- 239000002250 absorbent Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 7
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000012209 synthetic fiber Substances 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 3
- 239000004627 regenerated cellulose Substances 0.000 claims description 3
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- 238000005273 aeration Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 5
- 239000012925 reference material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000004753 textile Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- VXYRWKSIAWIQMG-UHFFFAOYSA-K manganese(2+) N-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate triphenylstannyl acetate Chemical compound [Mn++].[S-]C(=S)NCCNC([S-])=S.CC(=O)O[Sn](c1ccccc1)(c1ccccc1)c1ccccc1 VXYRWKSIAWIQMG-UHFFFAOYSA-K 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- D04H1/4274—Rags; Fabric scraps
-
- 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
- D04H1/58—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 applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—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 applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
-
- 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.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2762—Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]
-
- 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.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2762—Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]
- Y10T442/277—Coated or impregnated cellulosic fiber fabric
-
- 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.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
-
- 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.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
- Y10T442/2869—Coated or impregnated regenerated cellulose fiber fabric
-
- 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]
-
- 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]
- Y10T442/619—Including other strand or fiber material in the same layer not specified as having microdimensions
-
- 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
Description
TC) 5 Û 'é 2. 7 En stor del av produktionsspillet från nonwoventillverkning går dock idag till deponering som landfill eller till sopförbränriing. Sådant produktionsspill härrör från kanttrimning av materialbanorna, uppstartningsspill och av olika orsaker kasserat material. Till nonwovenavfall räknas förutom produktionsspill även använt material. 'k i k" n Ändamålet med föreliggande uppfinning är att åstadkomma ett nonwovenmaterial med goda absorptionsegenskaper och god kvalitet i övrigt, där man tillvaratagit återvunna fibrer av ovan angivet slag. Detta har genom uppfinningen lösts genom att materialet innehåller återvunna fibrer med en fiberlängd mellan 5 och 60 mm och en finhet mellan 0,1 och 20 dtex här-rörande från nonwovenavfall, textilavfall och liknande, vilka fibrer blandats med varandra och eventuellt med nya fiber i en våtformad, skumformad, luftlagd eller torrlagd fiberbana som hydroentanglats med tillräcklig energi för att bilda ett kompakt absorberande material.
De återvunna fibrema kan utgöras av på mekanisk väg frilagda fibrer från nonwoven- eller textilavfall eller alternativt av fibrer återvunna genom ned- smältning av nonwoven- och textilmaterial av syntetmaterial och förnyad fiberframställxiing av den sålunda återvunna fiberråvaran. I det förstnämnda fallet kan de återvunna fibrema utgöras av syntetfibrer, växtfibrer, regenererade cellulosafibrer eller massafibrer medan i det senare fallet de återvunna fibrerna kan utgöras av syntetfibrer baserade på en termoplastisk polymer.
Genom tillsats av ett lämpligt bindemedel via impregnering, sprayning, påstrykning eller liknande kan vissa egenskaper såsom våt- och torrstyrkan hos materialet förbättras ytterligare.
Bl.. fi.
Fiberråvaran för de återvunna fibrema kan dels utgöras av produktionsspill i form av kanttrimningsspill, uppstartningsspill och av andra orsaker kasserat oanvänt material. Den kan även utgöras av annat avfall i form av använt fiberbaserat material, såsom nonwoven och textilier, såväl vävda som stickade. Sådant material kan behöva genomgå vissa reningssteg beroende på kontarnineringsgrad.
Fibrerna kan återvinnas på ett par olika sätt. Det första är genom mekanisk rivning av spillet, varvid materialet skärs i mindre bitar, vilka med hjälp av ex vis f, s piggvalsar rivs upp så att fibrema friläggs. Spillet kan i detta fall utgöras av blandat material innehållande såväl naturfibrer av olika slag, som massafibrer, bomull, jute, ramie etc. som syntetfibrer, t ex polyester, polypropylen, regenererad cellulosa etc. Utrustning fór mekanisk återvinning av fibrer från nonwoven- och textilmaterial finns kommersiellt tillgängliga från flera olika maskinleverantörer.
Det andra sättet är som nämnts ovan genom nedsmältning till plastgranulat som sedan används fór framställning av nya syntetfibrer. Avfallet måste i detta fall vara baserat på ett termoplastiskt syntetmaterial.
De återvunna fibrerna blandas eventuellt med färska fibrer, naturliga och/eller syntetiska och formas till en fiberbana, vilken kan vara torrlagd, luítlagd och kardad, våtformad eller skumformad, dvs fibrerna har dispergerats i en uppskummad vätska innehållande tensid och vatten, varefter ñberdispersionen avvattnats på en vira. Andelen återvunna fibrer bör uppgå till mellan 1 och A100 vikts-%, företrädesvis minst 5%. Den sålunda bildade fiberbanan utsätts därefter fór hydroentangling med en energiinsats som lämpligen liggeri intervallet 400-800 kWh/ton. Hydroentanglingen kan ske med konventionell teknik och med utrustning som tillhandahålles av maskintillverkare. Ett fóredragetsätt att framställa materialet på är genom den metod som beskrivs i den svenska patentansökan nr. 9402470-0, dvs en skumformad fiberbana hydroentanglas i direkt anslutning till formezingen. Fördelen med skumformning är att man har stor frihet i valet av fibrer, således kan man med skumformning använda längre fibrer än vad som är fallet vid våtformning. Dessutom uppvisar skumformade ñberbanor en mycket hög jämnhet i fiberformeringen. Dock kan som nämnts ovan fiberbanan bildas på andra sätt än genom skumformning.
Vid den mekaniska rivningen av avfallsmaterialet blir ofta fiberfriläggningen inte fullständig utan de återvunna fibrerna kan delvis förekomma i form av flockar.
Dessa flockar ger ojämnheter i det framställda materialet, vilka kan ge vissa positiva effekter, som att materialet får ett mer textilliknande utseende samti de fall materialet skall användas som avtorkningsmaterial ökar rengöringsförmågan hos materialet genom den mekaniska gnidningseffekt som ojämnheterna ger. En negativ effekt är dock att ojämnheter i materialet kan orsaka en nedsatt styrka.
För de applikationer där styrka är viktig kan denna höjas genom tillsats av lämpligt bindemedel eller våtstyrkemedel. Exempel på sådana är polyamid- epiklorhydrin, EVA, butadien-styren , latex m m. Bindemedelstillsatsen kan ske på känt sätt genom impregnering, sprayning, påstrykning eller liknande. En lämplig ,-.-, »r- -l/ 'l/r; (_11 (_' ) 0.! ß? *Cl FJ) tillsatsmängd är mellan 0,1 och 10 vikts-%, företrädesvis mellan 1 och 5 vikts-% räknat på materialets vikt.
De återvimna fibrema kan som nämnts blandas med nya fibrer. Det kan ex vis vara ett lämpligt sätt att tillvarata sitt eget produktionsspill från nonwoven- framställning av t ex spunlacematerial, genom att riva upp och frilägga fibrerna från sådant produktionsspill och blanda in en viss mängd återvunna fibreri den ordinarie fiberråvaran. Fördelen här är då att man har samma sammansättning hos de återvunna fibrerna som hos den övriga fiberråvaran, vilket säkerställer en jämn kvalitet hos det framställda materialet. Dock kan som tidigare nämnts de återvunna fibrerna utgöras av annat nonwoven- och textilavfall och det framställda materialet kan helt eller endast delvis baseras på återvunna fibrer.
Det framställda materialet äri första hand avsett som avtorkningsmaterial for hushållsändarnål eller storförbriikare som verkstäder, industrier, sjukhus och andra offentliga inrättningar.
Exempel Några olika material med varierande mängd ingående återvunna fibrer har framställts och testats, varvid jämförelse gjorts med ett referensmaterial framställt av 100 % nyfibrer. N yfibrema utordes av en blandning av 60% barrvedsmassa + 40% syntetfiber (PP+PET) 1.7 dtex x 12 mm. Avfallet utgjordes av mekaniskt återvunna fibrer från spunlace-nonwovenspill innehållande en blandning av massa, polyester (1.7 dtex x 12 mm) och rayonfibrer (1.7 dtex x 6 mm). Fiberbanor framställdes genom våtformníng eller skumformning och hydroentanglades därefter med ca 600 kWh/ton, pressades lätt och torkades medelst genomblåsning. Till vissa av materialet tillsattes ett våtstyrkemedel (B) av polyamid-epiklorhydrintyp i en mängd motsvarande 2 vikts-% torrsubstans räknat på materialets totalvikt. Materialens egenskaper redovisas i nedanstående tabell. <0 0 00 00 0 00020090 00 _s202ñöB§0š> 0.0 0.0 0.0 0.0 0.0 Å. 00 00 00 0_0 000 000 0 .00_.0.000000=0> 000 000 000 00 _ 000 0000 002,60 .Ez 0 _00, .00300005 00 S 000 000 000 000 0000 02,000 .sz 0 000, .00_;_000_0 000 000 000 000 000 0000 02,000 002 0 å. .00000090 0000 009 0000 000 000. 00000 0-z 000 000 000 000 000 00000 02.80 .ä 00:00: 00 00 00 00 00 0000 0-z 000002 00.00,0 000002 0.000,0 m .000 + ._0030 .000 ||||__0_>< 00000 j: å z 00.000 0 02 000.00.. ¶_0=..0.0Iw _ :mnwk (TI (_) U! “\.1 FO Det kan konstateras att materialet framställt av 100% avfallsfibrer utan bindemedelstillsats uppvisade betydligt lägre styrkor än referensmaterialet medan absorptionsfärmågan var fullti nivå med referensmaterialets. Med bindemedels- tillsats erhölls med 50%-ig inblandning av avfallsfibrer ett material som var likvärdigt med referensmaterialet, medan man med 25 %-ig inblandning av avfallsfibrer fick ett material som till och med var bättre än referensmaterialet såväl vad gällde torr- som våtstyrka.
Claims (9)
1. Nonwovenmaterial framställt genom hydroentangling av en fiberbana, k ä n n e t e c k n a t a v att det innehåller återvimna fibrer med en fiberlängd mellan 5 och 60 mm och en finhet mellan 0,1 och 20 dtex och vilka utgörs av på mekanisk väg frilagda fibrer från nonwovenavfall, textilavfall och liknande, vilka fibrer blandats med varandra och eventuellt med nya fibreri en våtforrnad, skumformad, luftlagd eller torrlagd fiberbana som hydroentanglats med tillräcklig energi för att bilda ett kompakt, absorberande material.
2. Nonwovenmaterial enligt patentkrav 1, k ä n n e t e c k n a t a v att de återvunna fibrema utgörs av syntetfibrer, växtñbrer, regenererade cellulosafibrer och/eller massañbrer.
3. Nonwovenmaterial enligt patentkrav 2, k ä n n e t e c k n a t a v att en viss andel av de återvunna fibrerna ej är helt frilagda utan bildar flockar vilka kvarstår som ojämnheter i materialet.
4. Nonwovenmaterial enligt något eller några av föregående patentkrav, k ä n n e- t e c k n a t av att andelen återvunna fibrer i materialet uppgår till mellan 1 och 100%.
5. Nonwovenmaterial enligt något eller några av föregående patentkrav, k ä n n e- t e c k n a t a v att till materialet tillsatts ett våtstyrkemedel eller bindemedel via sprayning, impregnering, bestrykning eller liknande.
6. Nonwovenmaterial enligt patentkrav 5, k ä n n e t e c k n a t a v att andelen våtstyrke- eller bindemedel uppgår till mellan 0,1 och 10 vikts-% företrädesvis mellan 1 och 5 vikts-%.
7. Förfarande för framställning av ett nonwovenmaterial enligt patentkrav 1, k ä n n e t e c k n a t a v att man genom våtformning, skumforrnning, torr- formning eller luftläggnmg bildar en fiberbana innehållande mellan 1 och 100 % återvunna fibrer med en fiberlängd mellan 5 och 60 mm och en finhet mellan 0,1 och 20 dtex vilka utgörs av fibrer som friorts genom mekanisk rivning av nonwovenavfall, textilavfall och liknande, och bildar ett kompakt, absorberande material av sammantrasslade fibrer genom att utsätta fiberbanan for hydroentangling och därefter torka materialet. 5GB 2 lxfi ~\3
8. Förfarande enligt patentkrav 7, k ä n n e t e c k n a t a v att nonwoven- avfallet utgörs av produktionsspill och/eller annat nonwoven- eller textilavfall som rivs sönder och eventuellt blandas med nya fibrer innan det får bilda sagda ñberbana.
9. Förfarande enligt patentkrav 7 eller 8, k ä n n e te c k n a t a v atti anslutning till hydroentanglingen tillsätts till materialet ett våtstyrkemedel eller bindemedel via sprayning, impregnering, bestrykning eller liknande.
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9402804A SE503272C2 (sv) | 1994-08-22 | 1994-08-22 | Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial |
ZA956813A ZA956813B (en) | 1994-08-22 | 1995-08-15 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
CA002197778A CA2197778A1 (en) | 1994-08-22 | 1995-08-17 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
DE69514108T DE69514108T3 (de) | 1994-08-22 | 1995-08-17 | Vliesmaterial mit einem bestimmten anteil an wiederverwendeten fasern aus vlies- und/oder textilabfall |
US08/776,750 US6037282A (en) | 1994-08-22 | 1995-08-17 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
EP95930077A EP0777782B2 (en) | 1994-08-22 | 1995-08-17 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
ES95930077T ES2141955T5 (es) | 1994-08-22 | 1995-08-17 | Material no tejido que comprende una cierta proporcion de fibras recicladas procedentes de desechos de materiales no tejido y/o de textiles. |
JP8507996A JPH10504613A (ja) | 1994-08-22 | 1995-08-17 | 不織布及び/又は編織布廃棄物から生じる再生繊維を一定割合で含む不織布材料 |
AU33580/95A AU689634B2 (en) | 1994-08-22 | 1995-08-17 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
DK95930077T DK0777782T3 (da) | 1994-08-22 | 1995-08-17 | Non-woven materiale omfattende en vis andel genbrugsfibre hidrørende fra non-woven og/eller tekstilaffald |
PCT/SE1995/000938 WO1996006222A1 (en) | 1994-08-22 | 1995-08-17 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
PT95930077T PT777782E (pt) | 1994-08-22 | 1995-08-17 | Material nao tecido que compreende uma certa proporcao de fibras recicladas provenientes de desperdicios de nao tecidos e/ou de texteis |
AT95930077T ATE187991T1 (de) | 1994-08-22 | 1995-08-17 | Vliesmaterial mit einem bestimmten anteil an wiederverwendeten fasern aus vlies- und/oder textilabfall |
CN95115886A CN1052766C (zh) | 1994-08-22 | 1995-08-21 | 含无纺和/或纺织废料中获得的回收纤维的无纺材料及制法 |
NO970742A NO970742D0 (no) | 1994-08-22 | 1997-02-18 | Uvevd materiale innbefattende en viss andel av resirkulerte fibre fra uvevd- og/eller tekstilavfall |
FI970756A FI108239B (sv) | 1994-08-22 | 1997-02-21 | Fibermaterial innehållande en bestämd del återvinningsfibrer från fiberduk- och/eller textilavfall |
GR20000400466T GR3032764T3 (en) | 1994-08-22 | 2000-02-25 | Nonwoven material comprising a certain proportion of recycled fibres originating from nonwoven and/or textile waste |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9402804A SE503272C2 (sv) | 1994-08-22 | 1994-08-22 | Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9402804D0 SE9402804D0 (sv) | 1994-08-22 |
SE9402804L SE9402804L (sv) | 1996-02-23 |
SE503272C2 true SE503272C2 (sv) | 1996-04-29 |
Family
ID=20394993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9402804A SE503272C2 (sv) | 1994-08-22 | 1994-08-22 | Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial |
Country Status (17)
Country | Link |
---|---|
US (1) | US6037282A (sv) |
EP (1) | EP0777782B2 (sv) |
JP (1) | JPH10504613A (sv) |
CN (1) | CN1052766C (sv) |
AT (1) | ATE187991T1 (sv) |
AU (1) | AU689634B2 (sv) |
CA (1) | CA2197778A1 (sv) |
DE (1) | DE69514108T3 (sv) |
DK (1) | DK0777782T3 (sv) |
ES (1) | ES2141955T5 (sv) |
FI (1) | FI108239B (sv) |
GR (1) | GR3032764T3 (sv) |
NO (1) | NO970742D0 (sv) |
PT (1) | PT777782E (sv) |
SE (1) | SE503272C2 (sv) |
WO (1) | WO1996006222A1 (sv) |
ZA (1) | ZA956813B (sv) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI110326B (sv) * | 1995-06-06 | 2002-12-31 | Bki Holding Corp | Metod för tillverkning av ett fibertyg |
USH2086H1 (en) * | 1998-08-31 | 2003-10-07 | Kimberly-Clark Worldwide | Fine particle liquid filtration media |
DE20004553U1 (de) * | 2000-03-07 | 2000-09-28 | Vliestec Ag | Bastfaservliesstoff |
GB0013302D0 (en) * | 2000-06-02 | 2000-07-26 | B & H Res Ltd | Formation of sheet material using hydroentanglement |
KR20030060104A (ko) * | 2000-11-10 | 2003-07-12 | 킴벌리-클라크 월드와이드, 인크. | 재생 합성 섬유 재료를 함유하는 수얽힘 부직 복합 구조물 |
US7255816B2 (en) | 2000-11-10 | 2007-08-14 | Kimberly-Clark Worldwide, Inc. | Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof |
US20020115370A1 (en) * | 2000-11-10 | 2002-08-22 | Gustavo Palacio | Hydroentangled nonwoven composite structures containing recycled synthetic fibrous materials |
US6378179B1 (en) * | 2001-01-05 | 2002-04-30 | Gary F. Hirsch | System and method for reconstituting fibers from recyclable waste material |
US20030082978A1 (en) * | 2001-05-18 | 2003-05-01 | Lim Hyun Sung | Dry wipe |
WO2003000976A1 (en) * | 2001-06-22 | 2003-01-03 | University Of Leeds | Fabrics composed of waste materials |
US20030171056A1 (en) * | 2001-11-05 | 2003-09-11 | Gustavo Palacio | Hydroentangled nonwoven web containing recycled synthetic fibrous materials |
ATE314039T1 (de) | 2001-11-08 | 2006-01-15 | Pelz Gmbh & Co Kg W | Kosmetisches wattepad |
GB0128692D0 (en) * | 2001-11-30 | 2002-01-23 | B & H Res Ltd | Formation of sheet material using hydroentanglement |
CA2481419A1 (en) * | 2002-04-08 | 2003-10-23 | Polymer Group, Inc. | Renewable imaged nonwoven fabric comprising reconstituted fibers |
CZ20022373A3 (cs) * | 2002-07-04 | 2004-02-18 | Výstavní A Prodejní Centrum, S.R.O. | Způsob výroby textilií z aramidových vláken |
US7416638B2 (en) * | 2003-11-18 | 2008-08-26 | Georgia-Pacific Consumer Products Lp | Apparatus and method for manufacturing a multi-layer web product |
SE0303413D0 (sv) * | 2003-12-18 | 2003-12-18 | Sca Hygiene Prod Ab | a composite nonwoven material containing continuous filaments and short fibres |
MXPA06013869A (es) * | 2004-06-01 | 2007-04-25 | Dan Web Holding As | Fabricacion de una tela de multiples capas. |
US7067613B2 (en) * | 2004-06-04 | 2006-06-27 | Chemical Products Corporation | Separation of polyolefins from nylons |
US20060069170A1 (en) * | 2004-09-27 | 2006-03-30 | Chemical Products Corporation | Decomposition of Polyester |
US20060070188A1 (en) * | 2004-09-27 | 2006-04-06 | Chemical Products Corporation | Colorant Removal from Polymeric Fibers |
US20060141891A1 (en) * | 2004-12-23 | 2006-06-29 | Kimberly-Clark Worldwide, Inc. | Absorbent structure with aggregate clusters |
CA2596372A1 (en) | 2005-01-28 | 2006-08-03 | Sustainable Solutions, Inc. | Composite web and process for manufacture from post-industrial scrap |
WO2007033158A2 (en) * | 2005-09-12 | 2007-03-22 | Sellars Absorbent Materials, Inc. | Method and device for making towel, tissue, and wipers on an air carding or air lay line utilizing hydrogen bonds |
US7744143B2 (en) * | 2007-01-10 | 2010-06-29 | Federal Mogul Powertrain | Nonwoven panel and method of construction thereof |
WO2010125545A2 (en) * | 2009-04-30 | 2010-11-04 | Kimberly-Clark Worldwide, Inc. | Nonwoven composite including post-consumer recycled material |
US20110094691A1 (en) * | 2009-10-25 | 2011-04-28 | Nunn Kayren J | Process for regenerating post-consumer and post-industrial fibers |
CA2703595A1 (en) * | 2010-05-12 | 2011-11-12 | Rajan Ahluwalia | Process for producing recycled paper |
CN101974869B (zh) * | 2010-11-18 | 2012-01-04 | 浙江华邦特种纸业有限公司 | 高透气性无纺壁纸原纸及产品 |
CN101974868B (zh) * | 2010-11-18 | 2012-01-04 | 浙江华邦特种纸业有限公司 | 高透气性无纺壁纸原纸及产品的制造方法 |
CN102605558A (zh) * | 2011-01-21 | 2012-07-25 | 德泛企业股份有限公司 | 利用回收废弃物为材料的不织布制法 |
JP5812687B2 (ja) * | 2011-05-23 | 2015-11-17 | 株式会社アクシス | 回収されたポリプロピレン不織布製の物品を再生する方法 |
US20130341290A1 (en) * | 2012-06-20 | 2013-12-26 | Hollingsworth & Vose Company | Fibrillated fibers for liquid filtration media |
US9394637B2 (en) | 2012-12-13 | 2016-07-19 | Jacob Holm & Sons Ag | Method for production of a hydroentangled airlaid web and products obtained therefrom |
DK3049563T3 (en) | 2013-09-25 | 2018-01-22 | Really Aps | Process for making a textile waste product |
GB201402486D0 (en) * | 2014-02-12 | 2014-03-26 | Global Display Projects Ltd | Novel Material |
CN104120617B (zh) * | 2014-07-18 | 2017-01-18 | 宏祥新材料股份有限公司 | 无纺布湿法成网工艺 |
US10632718B2 (en) * | 2014-09-30 | 2020-04-28 | The Boeing Company | Filament network for a composite structure |
CN104404815B (zh) * | 2014-10-10 | 2016-04-20 | 南通大学 | 一种可冲散湿巾材料及其生产方法 |
FI126474B (sv) * | 2014-11-24 | 2016-12-30 | Paptic Oy | Fiberark och fiberark omfattande strukturer |
US11144891B1 (en) | 2015-04-12 | 2021-10-12 | Purlin, Llc | Closed-loop system and method for the utilization of recycled polyester fabric products |
BR112018007748B1 (pt) | 2015-11-03 | 2022-07-26 | Kimberly-Clark Worldwide, Inc. | Produto de tecido de papel, produto de limpeza, e, artigo absorvente de cuidado pessoal |
RU2018135025A (ru) * | 2016-03-08 | 2020-04-08 | Псил Холдингс Ллц | Устройство для разволокнения материалов текстильных отходов |
FI127749B (sv) * | 2016-05-23 | 2019-01-31 | Paptic Oy | Förfarande för framställning av en fiberbana |
CN106048889B (zh) * | 2016-06-14 | 2019-05-17 | 江苏艾科普新材料有限公司 | 一种100%再生纤维的水刺无纺布 |
CN110023563B (zh) | 2016-12-22 | 2021-02-09 | 金伯利-克拉克环球有限公司 | 用于在泡沫形成过程中重新定向纤维的方法和系统 |
US11248323B2 (en) | 2017-03-24 | 2022-02-15 | Purlin, Llc | Method for forming a non-woven recyclable fabric |
KR102165232B1 (ko) | 2017-11-29 | 2020-10-13 | 킴벌리-클라크 월드와이드, 인크. | 개선된 특성을 갖는 섬유 시트 |
MX2021000980A (es) | 2018-07-25 | 2021-04-12 | Kimberly Clark Co | Proceso para fabricar no tejidos tridimensionales colocados en espuma. |
WO2020043368A1 (en) | 2018-08-29 | 2020-03-05 | Arcelik Anonim Sirketi | A filtration system |
KR101941264B1 (ko) * | 2018-08-31 | 2019-04-12 | (주)에스플러스컴텍 | 부직포 재활용 장치 및 방법 |
KR102073899B1 (ko) * | 2019-01-11 | 2020-02-05 | 신동수 | 부직포 재활용 장치 및 방법 |
KR102137990B1 (ko) * | 2019-01-16 | 2020-07-27 | 신동수 | 부직포 재활용 방법 |
EP3690136A1 (de) * | 2019-02-04 | 2020-08-05 | Wepa Hygieneprodukte GmbH | Nichtgewebtes faservliesstoffmaterial |
CN110284261B (zh) * | 2019-07-10 | 2022-02-22 | 武汉纺织大学 | 一种反渗透复合无纺布的制备方法 |
EP3845694A1 (en) * | 2020-01-02 | 2021-07-07 | Kayren Joy Nunn | Composite web and process for manufacture from post-industrial scrap |
CN111074445A (zh) * | 2020-01-03 | 2020-04-28 | 启东和安无纺材料有限公司 | 一种无纺布的制造方法及适用于该方法的装置 |
CN115917067A (zh) * | 2020-08-07 | 2023-04-04 | 贝里国际公司 | 包含由消费后回收的塑料形成的纤维的非织造织物 |
WO2022093596A1 (en) * | 2020-10-30 | 2022-05-05 | Nike Innovate C.V. | Sustainable nonwoven textile |
WO2024019971A1 (en) * | 2022-07-18 | 2024-01-25 | Kimberly-Clark Worldwide, Inc. | Nonwoven products containing reclaimed textile materials |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA841938A (en) * | 1970-05-19 | E.I. Du Pont De Nemours And Company | Process for producing a nonwoven web | |
US3620903A (en) * | 1962-07-06 | 1971-11-16 | Du Pont | Lightweight nonpatterned nonwoven fabric |
US4100324A (en) * | 1974-03-26 | 1978-07-11 | Kimberly-Clark Corporation | Nonwoven fabric and method of producing same |
US4879170A (en) * | 1988-03-18 | 1989-11-07 | Kimberly-Clark Corporation | Nonwoven fibrous hydraulically entangled elastic coform material and method of formation thereof |
US4931355A (en) * | 1988-03-18 | 1990-06-05 | Radwanski Fred R | Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof |
DD286630A5 (de) * | 1989-07-03 | 1991-01-31 | Veb Technotex Karl-Marx-Stadt,De | Verfahren zur herstellung eines bindemittelfreien vliesstoffes mit hohem kurzfaseranteil |
FR2662711B2 (fr) * | 1989-12-01 | 1992-08-14 | Kaysersberg Sa | Procede de fabrication de nontisse. |
US5253392A (en) * | 1990-11-13 | 1993-10-19 | Ripley William G | System and method for producing a bleached cotton, nonwoven web |
US5328759A (en) * | 1991-11-01 | 1994-07-12 | Kimberly-Clark Corporation | Process for making a hydraulically needled superabsorbent composite material and article thereof |
-
1994
- 1994-08-22 SE SE9402804A patent/SE503272C2/sv not_active IP Right Cessation
-
1995
- 1995-08-15 ZA ZA956813A patent/ZA956813B/xx unknown
- 1995-08-17 AT AT95930077T patent/ATE187991T1/de active
- 1995-08-17 PT PT95930077T patent/PT777782E/pt unknown
- 1995-08-17 CA CA002197778A patent/CA2197778A1/en not_active Abandoned
- 1995-08-17 EP EP95930077A patent/EP0777782B2/en not_active Expired - Lifetime
- 1995-08-17 DE DE69514108T patent/DE69514108T3/de not_active Expired - Fee Related
- 1995-08-17 AU AU33580/95A patent/AU689634B2/en not_active Ceased
- 1995-08-17 US US08/776,750 patent/US6037282A/en not_active Expired - Fee Related
- 1995-08-17 WO PCT/SE1995/000938 patent/WO1996006222A1/en active IP Right Grant
- 1995-08-17 JP JP8507996A patent/JPH10504613A/ja active Pending
- 1995-08-17 DK DK95930077T patent/DK0777782T3/da active
- 1995-08-17 ES ES95930077T patent/ES2141955T5/es not_active Expired - Lifetime
- 1995-08-21 CN CN95115886A patent/CN1052766C/zh not_active Expired - Fee Related
-
1997
- 1997-02-18 NO NO970742A patent/NO970742D0/no not_active Application Discontinuation
- 1997-02-21 FI FI970756A patent/FI108239B/sv not_active IP Right Cessation
-
2000
- 2000-02-25 GR GR20000400466T patent/GR3032764T3/el not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU689634B2 (en) | 1998-04-02 |
ATE187991T1 (de) | 2000-01-15 |
DE69514108T3 (de) | 2003-12-24 |
DE69514108T2 (de) | 2000-08-17 |
ES2141955T5 (es) | 2003-09-16 |
US6037282A (en) | 2000-03-14 |
AU3358095A (en) | 1996-03-14 |
CN1052766C (zh) | 2000-05-24 |
ZA956813B (en) | 1996-03-19 |
FI108239B (sv) | 2001-12-14 |
EP0777782A1 (en) | 1997-06-11 |
JPH10504613A (ja) | 1998-05-06 |
NO970742L (no) | 1997-02-18 |
SE9402804D0 (sv) | 1994-08-22 |
PT777782E (pt) | 2000-04-28 |
DE69514108D1 (de) | 2000-01-27 |
NO970742D0 (no) | 1997-02-18 |
FI970756A (sv) | 1997-02-21 |
SE9402804L (sv) | 1996-02-23 |
DK0777782T3 (da) | 2000-04-10 |
FI970756A0 (sv) | 1997-02-21 |
EP0777782B2 (en) | 2003-01-22 |
WO1996006222A1 (en) | 1996-02-29 |
EP0777782B1 (en) | 1999-12-22 |
ES2141955T3 (es) | 2000-04-01 |
CA2197778A1 (en) | 1996-02-29 |
GR3032764T3 (en) | 2000-06-30 |
CN1128309A (zh) | 1996-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE503272C2 (sv) | Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial | |
US7501364B2 (en) | Absorbent non-woven felt material and method of making same | |
JP4746256B2 (ja) | 使い捨て可能な不織ワイプ布とその製造方法 | |
JP7029410B2 (ja) | 繊維ウェブの製造方法 | |
JPH0352499B2 (sv) | ||
CA2596372A1 (en) | Composite web and process for manufacture from post-industrial scrap | |
CZ122797A3 (en) | Non-woven material containing a mixture of cellulose and long hydrophilic natural fibers and process for producing such material | |
HK1034177A1 (en) | Sponge towel based on cellulose and a method for producing the same | |
RU2296838C2 (ru) | Экологически приемлемый изоляционный материал и способ его производства | |
CN108754877A (zh) | 纺粘浆粕非织造布的生产线及其生产工艺 | |
SE514726C2 (sv) | Förfarande för framställning av hydroentanglat nonwovenmaterial med förhöjd våtstyrka samt material framställt genom förfarandet | |
GB2367837A (en) | Method of forming a non-woven web from recycled cellulose fibres and untreated clarifier sludge | |
KR20120111224A (ko) | 재활용 부직포의 제조방법 | |
KR100882825B1 (ko) | 스펀레이스 부직포 제조용 기재 | |
US10065379B2 (en) | Dispersible non-woven article and methods of making the same | |
JP2002172619A (ja) | 繊維製品のスクラップの処理方法および繊維製品およびチップモールド | |
KR20070050222A (ko) | 토목용 재생 부직포의 제조 방법 | |
JP5812687B2 (ja) | 回収されたポリプロピレン不織布製の物品を再生する方法 | |
CN207916223U (zh) | 一种复合型防水卷材胎基布 | |
JP2001355198A (ja) | 工業用拭き取り用紙 | |
KR100262548B1 (ko) | 자동차용 건식공기청정기의 제조방법 | |
KR100675945B1 (ko) | 자동차용 에어클리너 필터 미디어 및 그 제조방법 | |
JPH04281055A (ja) | 廃繊維とポリマー繊維綿を使用した不織布ウエス製品 | |
EP0470167A1 (en) | Absorbent cloth | |
Newton et al. | The production and properties of nonwoven fabrics |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |