EP2185757A1 - Verfahren zur herstellung eines flächengebildes aus zumindest teilweise gesplitteten garnen, fasern oder filamenten und vorrichtung zu dessen herstellung - Google Patents
Verfahren zur herstellung eines flächengebildes aus zumindest teilweise gesplitteten garnen, fasern oder filamenten und vorrichtung zu dessen herstellungInfo
- Publication number
- EP2185757A1 EP2185757A1 EP08785156A EP08785156A EP2185757A1 EP 2185757 A1 EP2185757 A1 EP 2185757A1 EP 08785156 A EP08785156 A EP 08785156A EP 08785156 A EP08785156 A EP 08785156A EP 2185757 A1 EP2185757 A1 EP 2185757A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filaments
- dry ice
- fabric
- fibers
- splittable
- 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 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000835 fiber Substances 0.000 title claims description 22
- 239000004753 textile Substances 0.000 title abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 53
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 230000009477 glass transition Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 21
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 description 16
- -1 polyethylene terephthalate Polymers 0.000 description 12
- 229920002292 Nylon 6 Polymers 0.000 description 10
- 229920000139 polyethylene terephthalate Polymers 0.000 description 10
- 239000005020 polyethylene terephthalate Substances 0.000 description 10
- 238000001878 scanning electron micrograph Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229960004424 carbon dioxide Drugs 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920006126 semicrystalline polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000007704 transition Effects 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
- D04H1/42—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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43825—Composite fibres
- D04H1/43828—Composite fibres sheath-core
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups
-
- 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
- D04H1/54—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 welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/549—Polyamides
-
- 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
- D04H1/54—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 welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/04—Needling machines with water jets
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- 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
- 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
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
-
- 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
- D04H1/54—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 welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
Definitions
- the present invention relates to a process for producing a sheet from at least partially split yarns, fibers or filaments and to an apparatus for producing the same.
- the document EP 0 814 188 B1 discloses the production of a readily fissile nonwoven fabric from bicomponent filaments of the incompatible starting materials polyethylene terephthalate and polyamide 6. The nonwoven fabric is thereby exposed to the action of liquid pressure jets for separating the composite elements into elementary filaments and to their entanglement and bonding.
- the object of the present invention has been made to provide a method which simplifies the production process of fabrics of splittable yarns, fibers or filaments and is economically particularly favorable.
- fibers or filaments only one, for example, compared to a high pressure water jet treatment, especially in Pressing about 120 to 500 bar, particularly low energy or low mechanical force are needed.
- the method is intended to enable at least partial splitting of both compatible polymers and conjugated yarns, fibers or filaments consisting of mutually incompatible polymers.
- a splittable starting sheet is formed by treatment, in particular by bombardment, with dry ice, with frozen water or with an air-particle mixture at a temperature of at least 20 ° C. to 30 ° C. below the glass transition temperature (Tg).
- Tg glass transition temperature
- the glass transition temperature (Tg) or softening temperature of an amorphous polymer used is the temperature at which the polymer exhibits the greatest change in deformability.
- the so-called Glass transition separates the below-lying brittle energy-elastic area (glass area) from the soft entropy-elastic area (rubber-elastic area) above.
- the transition to the flow region of the amorphous polymer is fluid.
- Semicrystalline polymers have both a glass transition temperature, below which the amorphous phase "freezes" (accompanied by embrittlement), as well as a melting temperature at which the crystalline phase dissolves. The melting temperature clearly separates the entropy-elastic range from the flow range.
- Particularly suitable solid particles of the air-particle mixture are inorganic particles, such as sand (for example quartz sand), or polymeric granules.
- the dry ice, the frozen water or the air-particle mixture is used in the form of pellets.
- dry ice or frozen water use as snow is also possible.
- dry ice pellets preferably cylindrical particles with a diameter of about 3 mm and a length between 5 and 30 mm are used here.
- dry-ice snow is understood to mean finer-grained and therefore less hard particles which, for example, have a diameter of approximately 0.1 mm and a length of equal to or less than 1 mm.
- the dry ice is frozen carbon dioxide with a temperature of about -78.5 ° C, which upon impact on the splittable
- Output sheet changes without residue into the gaseous state (sublimation).
- the frozen water or the air-particle mixture no liquid, in particular no liquid water, is used for the splitting, an otherwise, for example in the case of a water jet treatment, required especially time, energy is eliminated -, and / or costly drying process of the fabric of at least partially split yarns, fibers or filaments.
- the temperature of the treated surface drops below the selected process parameters by about 60 ° C.
- the treatment temperature is chosen so that the temperature of the treated surface is at least 20 to 30 ° C below the glass transition temperature (Tg) of the polymers used as yarns, fibers or filaments.
- the treatment temperature is at least 20 to 30 ° C below the glass transition temperature (Tg) of the polymers used as yarns, fibers or filaments, a certain brittleness of the polymers is achieved, whereby the splitting of the fabric into elementary filaments is at least supported or promoted, without damage the elementary filaments. Damage to the elementary filaments is also avoided by the comparatively low hardness of the dry ice, the air-sand mixture or the frozen water.
- Tg glass transition temperature
- the volume of carbon dioxide from the solid to the gaseous state of aggregation expands abruptly by about 600 to 800 times its original volume.
- the dry ice settles between the elementary filaments, whereby the splitting of the fabric into elementary filaments is also at least supported or promoted.
- fibers or filaments for example, a core-shell structure (core-sheat structure) or an orange-slit or cake-piece structure (pie structure) into consideration.
- core-sheat structure core-sheat structure
- orange-slit or cake-piece structure pie structure
- splittable starting sheet one in which the elementary filaments are present in a pie structure, preferably having 2 to 64 segments, in particular for influencing the diameter of the filaments.
- a nonwoven fabric is used as the splittable starting sheet.
- the nonwoven fabric staple fiber nonwoven fabrics or spunbonded nonwoven fabrics having continuous fibers or composite fibers which are obtained by either a melt spinning or a solvent spinning process are preferably used.
- melt-spun nonwovens which have the advantage over solvent-spun nonwovens that no solvent has to be removed and that their use is less expensive.
- splittable starting sheet is preferably a pre-bonded nonwoven fabric used, which is thermally, mechanically and / or chemically preconsolidated, particularly preferably thermally preconsolidated.
- the yarns, fibers or filaments of the fabric preferably have at least two elementary layers which are selected from polymer pairs or blends of polyolefins, polyesters, polyamides and / or polyurethanes in any desired combination with one another.
- polyethylene or polypropylene are used, as preferred polyesters, for example, polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, recycled polyester, polylactate or copolyester, as preferred polyamides, for example polyamide 6, polyamide 12, polyamide 66 or copolyamides.
- the treatment takes place on the surface of the splittable starting sheet with the dry ice, the frozen water or the air-particle mixture preferably at an angle of incidence of 0.1 ° to 180 °, more preferably of 45 ° to 135 ° and most preferably of 90 °.
- the kinetic energy of the particles of the dry ice, the frozen water or the air-particle mixture is advantageously equal to or more than 0.4 Joule.
- the mass and the speed of the particles are chosen so that there is no optical damage to the fabric or formation of a hole in the fabric.
- the flow rate on the dry ice, on the frozen water or on the air-particle mixture is advantageously 30 kg / h to 70 kg / h, preferably 30 kg / h to 50 kg / h.
- the particles of the dry ice, of the frozen water or of the air-particle mixture preferably impinge on the surface of the splittable starting fabric with an average size of 10 ⁇ m to 30 mm, particularly preferably of 0.1 mm to 10 mm.
- the bombardment of the surface of the splittable starting fabric with the dry ice, frozen water or the air-particle mixture is preferably carried out at a speed of 100 m / s to 500 m / s at a feed rate of the outlet nozzle from 2.5 m / min 12, 5 m / min, more preferably from 2.5 m / min to 5 m / min.
- the splitting into the elementary filaments is advantageously carried out at pressures of from 0.5 bar to 16 bar, preferably from 0.5 bar to 6 bar, particularly preferably from 0.5 to 2 bar.
- the device for splitting a fabric from at least partially split yarns, fibers or filaments of at least two elementary filaments in particular according to a method of claims 1 to 7, at least one can be directed against the splittable starting fabric outlet nozzle for firing the at least one splittable surface of the cleavable starting fabric with dry ice, with frozen water or with an air-particle mixture.
- internals for comminuting the dry ice, the frozen water or the air-particle mixture are arranged in at least one outlet nozzle.
- Fig. 1 is a SEM image of a 100-fold enlarged section of the surface of an inventive dry ice pellet at
- Fig. 2 bar split and previously thermally precured spunbonded nonwoven fabric from segmented PET / PA6 Piefasem shown with a weight ratio of 70: 30, in Fig. 2 is a SEM image of a 100-fold enlarged section of the surface of an inventive dry ice snow at
- Fig. 3 is a SEM image of a 100-fold enlarged section of the surface of an invention with dry ice snow at 1 bar split (non-thermally preconsolidated) spunbonded web of segmented PET / PA6 ply fibers having a weight ratio of 70:30.
- Scanning electron micrographs were taken using a JEOL JSM-6480LV low-pressure scanning electron microscope under an acceleration voltage of 20 kV.
- Example 1 a spunbonded nonwoven fabric, in particular a spunbonded nonwoven fabric, of bicomponent endless filaments with a 16-segment PIE structure comprising alternating polyethylene terephthalate / polyamide 6 (PET / PA6) in a weight ratio of 70:30, is bombarded with dry ice pellets.
- PIE structure comprising alternating polyethylene terephthalate / polyamide 6 (PET / PA6) in a weight ratio of 70:30
- the spunbonded fabric is minimally needled and thus minimally mechanically solidified, so that the spunbonded fabric can be transported.
- the spunbonded fabric is thermally preconsolidated, wherein the thermal preconsolidation takes place on a heatable platen press in a period of 30 seconds at a temperature of 150 ° C and a pressure of 300 bar.
- the spunbonded fabric is placed at an angle of 90 ° below the outlet nozzle of the dry ice pellets.
- the shape of the nozzle is a wide-spout nozzle with a rectangular exit area of 50 mm x 4 mm. This nozzle is used to distribute the energy over as large an area as possible, with the use of, for example, a round nozzle being suitable in principle. Subsequently, the spunbond fabric is bombarded vertically with the dry ice pellets.
- the dry ice pellets have a diameter of about 3 mm and a length of 1 cm. At a density of dry ice of 1.56 g / cm 3 , a pellet weighs about 0.11 g (mass m).
- the bombardment with dry ice pellets takes place with a flow rate of 50 kg / h at a speed (v) of the dry ice pellets of 300 m / s.
- the distance between the exit nozzle and the surface of the splittable starting sheet is between 10 mm and 100 mm, preferably between 25 mm and 75 mm.
- the pressure of the dry ice pellets in the bombardment of the spunbonded fabric is 2 bar.
- the feed speed of the outlet nozzle is 5 m / min.
- FIG. 1 shows a scanning electron micrograph of the spunbonded nonwoven fabric from Example 1.
- Example 2 shows a scanning electron micrograph of the spunbonded nonwoven fabric from Example 1.
- dry ice snow with a particle size of about 0.1 mm ⁇ 0.5 mm is used instead of the dry ice pellets.
- the dry ice snow weighs 0.0105 g (mass m).
- the bombardment with dry ice snow takes place at a speed (v) of 300 m / s.
- spunbonded nonwoven fabric of bicomponent filaments with a pie-structure with 16 segments consisting of polyethylene terephthalate / polyamide 6 in a weight ratio of 70: 30.
- spunbonded nonwoven fabric of bicomponent filaments with a pie-structure with 16 segments consisting of polyethylene terephthalate / polyamide 6 in a weight ratio of 70: 30.
- Example 1 Procedure in Example 1, the nonwoven fabric is not thermally preconsolidated. Otherwise, the process is carried out analogously to the conditions of Example 1, wherein only dry ice snow is used instead of the dry ice pellets.
- FIG. 2 shows a scanning electron micrograph of the spunbonded nonwoven fabric from Example 2.
- the filaments are more mobile than those according to Example 1.
- Example 3 a spunbonded nonwoven fabric of bicomponent filaments having a pie structure with 16 segments, consisting of polyethylene terephthalate / polyamide 6 in a weight ratio 70 30 used.
- the procedure is analogous to Example 2 with dry ice snow instead of dry ice pellets.
- the pressure of the dry ice snow in Example 3 in the bombardment of the spunbonded fabric only 1 bar instead of 2 bar.
- FIG. 3 shows a scanning electron micrograph of the spunbonded nonwoven fabric from Example 3.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL08785156T PL2185757T3 (pl) | 2007-09-03 | 2008-07-28 | Sposób wytwarzania płaskiego wyrobu tekstylnego z przynajmniej częściowo rozbitej na składniki przędzy, włókien lub filamentów |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007041630A DE102007041630B4 (de) | 2007-09-03 | 2007-09-03 | Verfahren zur Herstellung eines Flächengebildes aus zumindest teilweise gesplitteten Garnen, Fasern oder Filamenten und Vorrichtung zu dessen Herstellung |
| PCT/EP2008/006206 WO2009030317A1 (de) | 2007-09-03 | 2008-07-28 | Verfahren zur herstellung eines flächengebildes aus zumindest teilweise gesplitteten garnen, fasern oder filamenten und vorrichtung zu dessen herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2185757A1 true EP2185757A1 (de) | 2010-05-19 |
| EP2185757B1 EP2185757B1 (de) | 2012-04-25 |
Family
ID=40100190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08785156A Not-in-force EP2185757B1 (de) | 2007-09-03 | 2008-07-28 | Verfahren zur herstellung eines flächengebildes aus zumindest teilweise gesplitteten garnen, fasern oder filamenten |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2185757B1 (de) |
| JP (1) | JP2010538170A (de) |
| CN (1) | CN101778972A (de) |
| AT (1) | ATE555242T1 (de) |
| DE (1) | DE102007041630B4 (de) |
| ES (1) | ES2383472T3 (de) |
| PL (1) | PL2185757T3 (de) |
| PT (1) | PT2185757E (de) |
| TW (1) | TWI364467B (de) |
| WO (1) | WO2009030317A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPR20110061A1 (it) * | 2011-07-06 | 2013-01-07 | A & G Chemical Production S R L | Metodo ed uso di ghiaccio secco per realizzare e modificare almeno parzialmente un tessuto o un capo di abbigliamento, tessuto e capo di abbigliamento risultante da detto metodo |
| ITBO20120396A1 (it) * | 2012-07-20 | 2014-01-21 | Mactec S R L | Metodo per trattare e/o decolorare tessuti e dispositivo per realizzare tale metodo |
| PL2777662T3 (pl) | 2013-03-11 | 2015-11-30 | Freudenberg Carl Kg | Zastosowanie welurowej włókniny igłowanej |
| KR20170113435A (ko) * | 2016-04-01 | 2017-10-12 | 코오롱인더스트리 주식회사 | 마스크 팩용 부직포 시트 |
| JP6855904B2 (ja) * | 2017-04-24 | 2021-04-07 | セイコーエプソン株式会社 | 処理装置およびシート製造装置 |
| JP6855903B2 (ja) * | 2017-04-24 | 2021-04-07 | セイコーエプソン株式会社 | 処理装置およびシート製造装置 |
| EP3539517B1 (de) * | 2018-03-13 | 2021-03-10 | BSN medical GmbH | Mechanische wundreinigungsvorrichtung |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960430A (en) * | 1987-05-13 | 1990-10-02 | Veb Greika Greiz Weberei Und Veredlung | Method for manufacturing of mat and rough, laminar, ribbon-shaped or fibrous polymeric products with a stream of particles |
| FR2749860B1 (fr) | 1996-06-17 | 1998-08-28 | Freudenberg Spunweb Sa | Nappe non tissee formee de filaments continus tres fins |
| JPH10168740A (ja) * | 1996-11-28 | 1998-06-23 | Toray Ind Inc | 植毛品ならびにその製造法 |
| JP2000054255A (ja) * | 1998-08-07 | 2000-02-22 | Daito Kosan:Kk | 繊維加工装置 |
| DE19955660C1 (de) * | 1999-11-19 | 2001-03-22 | Messer Griesheim Gmbh | Verfahren und Vorrichtung zur Behandlung der Oberfläche von Textilien |
| DE10115185A1 (de) * | 2001-03-27 | 2002-10-24 | Freudenberg Carl Kg | Splittfähige Garne, Fasern oder Filamente und Verfahren zu deren Herstellung sowie Vorrichtung |
| DE10258112B4 (de) * | 2002-12-11 | 2007-03-22 | Carl Freudenberg Kg | Verfahren zur Herstellung eines Flächengebildes aus zumindest teilweise gesplitteten Garnen, Fasern oder Filamenten |
| JP4064290B2 (ja) * | 2003-04-25 | 2008-03-19 | 株式会社グリンテック山陽 | ジーンズ製品の色抜き方法 |
| DE10347639A1 (de) * | 2003-10-09 | 2005-05-04 | Karl-Josef Brockmanns | Verfahren zur Behandlung und/oder Herstellung von textilen Produkten mittels Gas- oder Flüssigkeitsströmen |
| DE102005012895A1 (de) * | 2005-03-21 | 2006-09-28 | Eduard Küsters Maschinenfabrik GmbH & Co. KG | Verfahren und Vorrichtung zur Behandlung von faser- oder filamenthaltigen Werkstoffen |
| DE102005014317A1 (de) * | 2005-03-30 | 2006-10-05 | Carl Freudenberg Kg | Synthetisches Leder, Verfahren zu dessen Herstellung und dessen Verwendung |
-
2007
- 2007-09-03 DE DE102007041630A patent/DE102007041630B4/de not_active Expired - Fee Related
-
2008
- 2008-07-28 PT PT08785156T patent/PT2185757E/pt unknown
- 2008-07-28 EP EP08785156A patent/EP2185757B1/de not_active Not-in-force
- 2008-07-28 PL PL08785156T patent/PL2185757T3/pl unknown
- 2008-07-28 JP JP2010522202A patent/JP2010538170A/ja active Pending
- 2008-07-28 WO PCT/EP2008/006206 patent/WO2009030317A1/de not_active Ceased
- 2008-07-28 ES ES08785156T patent/ES2383472T3/es active Active
- 2008-07-28 AT AT08785156T patent/ATE555242T1/de active
- 2008-07-28 CN CN200880103286A patent/CN101778972A/zh active Pending
- 2008-07-31 TW TW097128919A patent/TWI364467B/zh not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009030317A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PT2185757E (pt) | 2012-05-29 |
| WO2009030317A1 (de) | 2009-03-12 |
| TW200934903A (en) | 2009-08-16 |
| EP2185757B1 (de) | 2012-04-25 |
| DE102007041630A1 (de) | 2009-03-05 |
| JP2010538170A (ja) | 2010-12-09 |
| DE102007041630B4 (de) | 2010-09-30 |
| ES2383472T3 (es) | 2012-06-21 |
| CN101778972A (zh) | 2010-07-14 |
| ATE555242T1 (de) | 2012-05-15 |
| PL2185757T3 (pl) | 2012-09-28 |
| TWI364467B (en) | 2012-05-21 |
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