EP2616580A1 - Hochfunktionelles spinnvlies aus partikelhaltigen fasern sowie verfahren zur erzeugung - Google Patents
Hochfunktionelles spinnvlies aus partikelhaltigen fasern sowie verfahren zur erzeugungInfo
- Publication number
- EP2616580A1 EP2616580A1 EP11767163.6A EP11767163A EP2616580A1 EP 2616580 A1 EP2616580 A1 EP 2616580A1 EP 11767163 A EP11767163 A EP 11767163A EP 2616580 A1 EP2616580 A1 EP 2616580A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fibers
- functional
- spunbonded
- functional additives
- fibres
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000002245 particle Substances 0.000 title description 27
- 239000000835 fiber Substances 0.000 claims abstract description 76
- 239000013538 functional additive Substances 0.000 claims abstract description 31
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- 239000004753 textile Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 238000009987 spinning Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 239000002537 cosmetic Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 5
- -1 superabsorbents Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 150000004676 glycans Chemical class 0.000 claims description 4
- 229910052615 phyllosilicate Inorganic materials 0.000 claims description 4
- 229920001282 polysaccharide Polymers 0.000 claims description 4
- 239000005017 polysaccharide Substances 0.000 claims description 4
- 102000004169 proteins and genes Human genes 0.000 claims description 4
- 108090000623 proteins and genes Proteins 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000012876 carrier material Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 239000003082 abrasive agent Substances 0.000 claims description 2
- 239000000010 aprotic solvent Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 238000007596 consolidation process Methods 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229920005615 natural polymer Polymers 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 229920001059 synthetic polymer Polymers 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims 1
- 238000001879 gelation Methods 0.000 claims 1
- 239000012782 phase change material Substances 0.000 claims 1
- 229920005594 polymer fiber Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000000654 additive Substances 0.000 description 13
- 208000012886 Vertigo Diseases 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000014692 zinc oxide Nutrition 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- FHDQNOXQSTVAIC-UHFFFAOYSA-M 1-butyl-3-methylimidazol-3-ium;chloride Chemical compound [Cl-].CCCCN1C=C[N+](C)=C1 FHDQNOXQSTVAIC-UHFFFAOYSA-M 0.000 description 1
- XIYUIMLQTKODPS-UHFFFAOYSA-M 1-ethyl-3-methylimidazol-3-ium;acetate Chemical compound CC([O-])=O.CC[N+]=1C=CN(C)C=1 XIYUIMLQTKODPS-UHFFFAOYSA-M 0.000 description 1
- QSVCPXPVEZVSPY-UHFFFAOYSA-N 2-ethyl-1-methyl-1h-imidazol-1-ium;chloride Chemical compound [Cl-].CCC1=[NH+]C=CN1C QSVCPXPVEZVSPY-UHFFFAOYSA-N 0.000 description 1
- BLMHIZMDZKNPGZ-UHFFFAOYSA-N 4-ethyl-4-oxidomorpholin-4-ium;hydrate Chemical compound O.CC[N+]1([O-])CCOCC1 BLMHIZMDZKNPGZ-UHFFFAOYSA-N 0.000 description 1
- WAZPLXZGZWWXDQ-UHFFFAOYSA-N 4-methyl-4-oxidomorpholin-4-ium;hydrate Chemical compound O.C[N+]1([O-])CCOCC1 WAZPLXZGZWWXDQ-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical class N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011433 polymer cement mortar Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000001993 wax Substances 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
-
- 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
- D04H1/724—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 forming webs during fibre formation, e.g. flash-spinning
-
- 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
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- 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
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
- Y10T442/61—Cross-sectional configuration varies longitudinally along strand or fiber material
Definitions
- the invention relates to highly functional spunbonded nonwovens as textile fabrics which can be produced directly from dissolved polymers by means of known spunbonding processes and which are constructed from fibers filled with liquid and / or solid functional additives.
- the fibers consist of more than 40 wt.%, Based on the total weight of the fibers, from functional additive, their average fiber diameter is 0.1 to 500 microns and the diameter variations within a fiber or each other is at least 30%.
- the spunbonded fabric is characterized by high functionality ⁇ due to very high concentrations of functional additives and can be used in a variety of ways, for example as interlining material, for hygiene applications, for wound dressings, as support materials, as construction and transport material, as cosmetic material or as filter.
- Filled textile fabrics e.g. those with thermo-regulating, antimicrobial or absorbing properties are already known.
- the materials hitherto used in the prior art are structures which have been processed into a textile surface after the production of functional fibers by at least one additional process step and / or contain only small amounts of functional particles.
- DE 10 2008 045290 A1 discloses fibers from which textiles, wound dressings, filters, etc. are then produced.
- the additive components are limited exclusively to zinc white (ZnO and ZnS), wherein their proportion is limited to a maximum of 30% and particle sizes are smaller than 15 ⁇ . It is mentioned that for
- the particle content may also be higher, but there is no teaching taught how such nonwovens are produced.
- the aim was not a functional nonwoven with high particle content, but washable and dyeable bactericidal bodies / fibers with controlled release of the active ingredients with prescribed washing permanence.
- thermoplastically processable polymers are used as carrier material whose melts can be processed für ⁇ a spunbonded, for example, in EP 1 199 393 A2.
- This is a spunbond made of thermoplastic polymers with hydrophobic additives.
- the aim is an enrichment of the hydrophobic additives on the fiber surface. This is achieved by the fact that the fiber is warped by the air flow so far that the mean fiber diameter is equal to the particle diameter or is reduced to at most half of the particle diameter.
- the proportion of asterbatches with the additives is between 10 and 20 wt .-% and may not be higher, so as not to affect the further processing to roof sheeting or use in sanitary napkins.
- Particle-containing filaments or fibers can not be stably spun in a very high proportion of functional particles from 40% in normal filament or fiber spinning processes, since frequent breaks would result.
- fiber materials with functional added value for the end user, which should also be inexpensive to produce and easy to process.
- Areas of application of such fiber materials are, for example, in the clothing industry as an insert material, in technical textiles, for example hygiene applications, for wound dressings, as support materials, as construction and transport material, as cosmetic material. al, or as a filter, for example for the filtration of Abwas ⁇ water or air and retention of air and water ingredients.
- Sheets with functional additives can in principle either by the area of formation along a textile value chain or web formation each consist provided with functional additives, fibers that produce coating flat textile structures with the additive dispersions or the incorporation of solid or liquid functional additives in already he ⁇ witnessed nonwoven structures.
- Fibers with a content of functional additives of more than 40% by weight can not be stably spun in normal fiber spinning processes, since frequent fiber breaks are the result. Although this disadvantage can be partially compensated by the use of functional fibers which are produced by solution spinning processes, the downstream textile surface forming processes also require at least one additional processing step in each case.
- the materials hitherto produced in the prior art are structures that have been processed into a textile surface after a separate production of functional fibers by at least one additional process step and / or only small amounts Functional particles include. Due to the separate nonwoven production process, the highly filled fibers are additionally stressed and thereby damaged and only meet lower quality requirements in terms of functionality or mechanical resistance.
- Aim of the present invention is a versatile sheet of particulate filaments and fibers having high functional utility for various applications. depending on the nature of the functional particles to provide, wherein the particulate filaments or fibers consist of more than 40 wt .-% of functional additives and have an average diameter of 0.1 to 500 microns.
- the fabrics are said to have already reached such a level of stability immediately after being deposited that they are suitable for further processing or for direct use. Due to the high content of functional additives, these fabrics should have such functional properties as are otherwise achieved only by additional process steps such as coating or surface finishing.
- the present invention accordingly provides a highly functional spunbonded web of non-meltable polymer-based fibers containing one or more functional additives characterized in that the fibers are intertwined and entangled, have a different length with aspect ratios greater than 1,000 and form a strong nonwoven composite, wherein the fibers form a middle 0.1 to 500 microns diameter diameter and within a fiber and / or with each other of at least 30% and the fibers in addition to the non-meltable polymer more than 40 wt .-%, based on the total weight of the fibers, of functional additives in solid and / or liquid form, which are finely dispersed in the fibers
- the textile fabrics which can be used for various fields of application, depending on the type of functional additives are composed of additives containing more than 40% by weight and up to 96% by weight, optionally even more, in each case based on the total weight of the fibers, of functional additive contained and have a mean diameter 0.1 to 500 microns.
- the proportion of functional additives is more than 40 wt .-% up to 90 wt .-%, based on the total weight of the fibers.
- the incorporated and permanent functions of the additives range from, for example, electrically conductive, absorbing, ion-exchanging, antibacterial, temperature-regulating to flame-retardant, abrasive or caring or combinations thereof.
- the functional additives are, in particular, activated carbon, superabsorbents, ion exchange resins, PCM, metal oxides, flame retardants, abrasives, zeolites, sheet silicates, such as bentonites, or modified sheet silicates, cosmetics or mixtures thereof.
- liquid lipophilic substances such as paraffins, waxes or oils, can be introduced as a functional additive.
- one or more component (s) can be introduced in lower concentrations, for example nanosilver or dyes or even active substances, for example pharmaceutical substances or insecticides.
- the volume fraction of the functional additives (in the context of the present invention also referred to as functional particles or functional materials) in the spinning mixture is preferably chosen such that it makes up the main volume component in the non-woven air-moist filaments or fibers with more than 50%.
- the diameter of the Funkt onspgreg is about 1/4 of the average filament or fiber diameter of the air-damp spunbonded fabric, it is achieved that the individual particles in the filaments or fibers have points of contact and so the functional properties can train in an advantageous manner.
- a doped polymer-containing spinning solution is used in the fiber-forming process, wherein the direct solvent is preferably an aprotic solvent.
- Particularly suitable as direct solvents, especially for cellulose are N-methylmorpholine N-oxide or N-ethyl-morpholine N-oxide monohydrate, ionic liquids, such as 1-ethyl-3-methylimidazolium acetate, Ethyl-l-methylimidazolium chloride or 3-butyl-l-methylimidazolium chloride, dimethylformamide, dimethylacetamide or dimethyl sulfoxide mixed with lithium chloride or NaOH-thiourea water or, if appropriate, also mixtures thereof.
- the spinning solution with the functional particles and the dissolved polymer is extruded, wherein the nozzle bores have a diameter of 0.1 to 1.1 mm, preferably of 0.3 to 0.7 mm.
- the strands thus generated are immediately after leaving the nozzles by its own weight and / or an obliquely acting from behind airflow whose intensity is adapted to the reduced by the functional particles thread drawability of the spinning mixture, within a short distance in longitudinal direction tion to filaments and fibers with aspect ratios greater than 1,000, preferably greater than 5,000 and more preferably greater than 40,000, tapers.
- the resulting fiber cracks do not lead to a termination of the process and do not adversely affect the process of web formation. They lead to fibers of different lengths and varying diameters being present in a nonwoven.
- the fibers are subsequently stabilized in their shape (during the transition into the stress-free space) before the onset of longitudinal relaxation.
- the fibers or filaments are deposited on a wire belt or a screen drum to form a nonwoven, which may also be layered, and compressed by suction.
- the solvent-enriched excess water is separated off, the remaining solvent rinsed by washing several times and then optionally the resulting nonwoven can be dried, wherein the functional particles in the nonwoven filaments and / or fibers by the taking place swelling of the polymer property determining mutually reinforced touch and connect.
- the directly dissolved and the particle-binding polymer is a non-melting polymer, ie a polymer in which the softening point is above the decomposition point.
- a non-melting polymer ie a polymer in which the softening point is above the decomposition point.
- It is preferably a member of the group of natural polymers, for example the polysaccharides, particularly preferably cellulose, the polysaccharide derivatives or the proteins or protein derivatives and / or from the group of solution-formable synthetic polymers, for example polyacrylonitrile, polyvinyl alcohol. hol, polyethylene oxide, polysulfone, meta-aramid or their copolymers.
- the wet spunbonded fabric obtained in this way can be consolidated, finished and shaped by textile processes (needle punching, hydroentanglement, chemical bonding), the solidification and refinement of the nonwoven fabric being able to take place before or after drying. Aftertreatment by, for example, aviva- gens, impregnations or with ionic active substances may follow.
- a spunbond web is understood to mean a web of fibers and continuous fibers laid down directly in random orientation after the extrusion, in which case it is also possible to lay several layers one above the other.
- the mixture of fibers and continuous fibers is caused by fiber breaks after the nozzle, resulting from the high particle content, but do not lead to an interruption of the process.
- the spunbonded nonwoven not only consists of fibers of different lengths, but the fibers themselves have different fiber thicknesses over their length or with each other. The fiber thickness is determined by various factors, such as the concentration of the solution, the rate of blowing, the type of polymer, the particle size, as well as interaction of the additives to other components of the solution and content of additives.
- Characteristic features are the irregularities in the mean diameter of the fibers due to the high particle content, the size of the particles and the fiber breaks, which are visually very easily discernible under a microscope.
- the highly functional spunbonded nonwoven has a basis weight of 2 to 1000 g / m 2 , preferably of 5 to 500 g / m 2 and a thickness of 0.01 to 20 mm, preferably from 0.05 to 5 mm. It has incorporated and permanent additional functions, such as electrically conductive, absorbent, ion-exchanging, antibacterial, temperature-regulating, flame-retardant, abrasive, caring or combinations thereof.
- particulate pore formers for example Glauber's salt
- the pore formers then lead, during the washing process, to a spunbonded web of highly porous fibers and filaments, which have a much larger surface area in comparison with area-like sponges.
- a highly functional spunbond web of particulate filaments or fibers ranges from clothing materials, such as heat-trapping or drug release liners, to technical textiles having high functional utility for various applications - depending on the type of functional particles, for example for hygiene applications, as wound dressings, as support materials for active substances or as support materials in composites, as Construction and transport material, as a cosmetic material or as a filter, for example for the filtration and binding of air and water ingredients such as phosphates, nitrates and ammonium-nitrogen compounds. Due to the special characteristics of the functional properties, due to the high concentration of additives, these nonwovens are also suitable for layered composites with other fabrics. This can happen by producing the highly functional spunbonded fabric on another, already introduced fabric during spunbonding production.
- NMMO monohydrate N-methylmorpholine N-oxide monohydrate
- a ground ion exchange resin strongly basic anion exchanger
- the spinning solution was then fed by means of a gear spinning pump at 95 ° C a spinneret (1200 holes with a diameter of 0.3 mm) and spun.
- Some of the resulting fiber cable pieces were completely freed of solvent and cut, as far as possible, to a staple length of 40 mm, with the described bonds sorted out as far as possible.
- the fibers were treated with a 1% sodium chloride solution and dried at 55 ° C to constant weight. A secondary spinning to the yarn was not possible. Fleece formation was only conditionally possible. lent, whereby a large number of short fibers and extreme shortening of the fibers was observed. The irregular loose fleece sections could not be further processed or used. A consolidation by needling for Sta stabilization was not possible because the fleece was completely destroyed and fell apart.
- a cellulose solution prepared according to Example 1 was solidified by means of an el-blown spinning process (solution blowing) at a solution temperature of 95 ° C, blowing with 80 ° C warm air and spraying with a water mist directly at the exit of the nozzle blowing unit and depositing on a Sieve belt deformed to a direct web.
- the deformation ⁇ process was stable and the nonwoven fabric was obtained after complete extraction of the solvent and drying at 60 ° C without any difficulty as the ion exchanger non-woven can be used.
- the functional fleece was mechanically stable enough to be cut to size and fed into the water treatment plant. An additionally performed moderate needling and thus further compaction was also possible without the fleece was destroyed.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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SI201130159T SI2616580T1 (sl) | 2010-09-14 | 2011-09-13 | Visokofunkcionalna predilna koprena iz vlaken, ki vsebujejo delce, in postopek za njeno izdelavo |
PL11767163T PL2616580T3 (pl) | 2010-09-14 | 2011-09-13 | Włóknina spod filiery o wysokiej funkcjonalności wytworzona z włókien zawierających cząstki i sposób jej wytwarzania |
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DE102010045242 | 2010-09-14 | ||
PCT/EP2011/004591 WO2012034679A1 (de) | 2010-09-14 | 2011-09-13 | Hochfunktionelles spinnvlies aus partikelhaltigen fasern sowie verfahren zur erzeugung |
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EP2616580A1 true EP2616580A1 (de) | 2013-07-24 |
EP2616580B1 EP2616580B1 (de) | 2014-04-02 |
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EP20110767163 Active EP2616580B1 (de) | 2010-09-14 | 2011-09-13 | Hochfunktionelles spinnvlies aus partikelhaltigen fasern sowie verfahren zur erzeugung |
Country Status (12)
Country | Link |
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US (1) | US20120215148A1 (de) |
EP (1) | EP2616580B1 (de) |
JP (1) | JP5579870B2 (de) |
KR (1) | KR101497360B1 (de) |
CN (1) | CN102753746B (de) |
AU (1) | AU2011301355B8 (de) |
BR (1) | BR112012017019A2 (de) |
DE (1) | DE112011100474B4 (de) |
PL (1) | PL2616580T3 (de) |
RU (1) | RU2522186C2 (de) |
SI (1) | SI2616580T1 (de) |
WO (1) | WO2012034679A1 (de) |
Cited By (1)
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2011
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- 2011-09-13 DE DE112011100474.5T patent/DE112011100474B4/de active Active
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- 2011-09-13 AU AU2011301355A patent/AU2011301355B8/en not_active Ceased
- 2011-09-13 CN CN201180006455.9A patent/CN102753746B/zh active Active
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- 2011-09-13 KR KR1020127023677A patent/KR101497360B1/ko active IP Right Grant
- 2011-09-13 US US13/504,567 patent/US20120215148A1/en not_active Abandoned
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- 2011-09-13 RU RU2012130176/12A patent/RU2522186C2/ru not_active IP Right Cessation
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- 2011-09-13 WO PCT/EP2011/004591 patent/WO2012034679A1/de active Application Filing
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106676757A (zh) * | 2017-02-22 | 2017-05-17 | 天鼎丰聚丙烯材料技术有限公司 | 一种高强度耐腐蚀聚丙烯长丝土工布及其制备方法 |
CN106676757B (zh) * | 2017-02-22 | 2019-03-01 | 天鼎丰聚丙烯材料技术有限公司 | 一种高强度耐腐蚀聚丙烯长丝土工布及其制备方法 |
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DE112011100474A5 (de) | 2012-12-13 |
DE112011100474B4 (de) | 2021-12-09 |
AU2011301355B2 (en) | 2014-02-06 |
JP2013515869A (ja) | 2013-05-09 |
JP5579870B2 (ja) | 2014-08-27 |
AU2011301355B8 (en) | 2014-02-20 |
KR101497360B1 (ko) | 2015-03-02 |
US20120215148A1 (en) | 2012-08-23 |
RU2012130176A (ru) | 2014-01-27 |
PL2616580T3 (pl) | 2014-08-29 |
EP2616580B1 (de) | 2014-04-02 |
AU2011301355A8 (en) | 2014-02-20 |
AU2011301355A1 (en) | 2012-05-31 |
KR20120113288A (ko) | 2012-10-12 |
SI2616580T1 (sl) | 2014-06-30 |
CN102753746A (zh) | 2012-10-24 |
BR112012017019A2 (pt) | 2016-04-05 |
WO2012034679A1 (de) | 2012-03-22 |
RU2522186C2 (ru) | 2014-07-10 |
CN102753746B (zh) | 2014-09-10 |
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