EP0694644B2 - Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue - Google Patents
Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue Download PDFInfo
- Publication number
- EP0694644B2 EP0694644B2 EP94440050A EP94440050A EP0694644B2 EP 0694644 B2 EP0694644 B2 EP 0694644B2 EP 94440050 A EP94440050 A EP 94440050A EP 94440050 A EP94440050 A EP 94440050A EP 0694644 B2 EP0694644 B2 EP 0694644B2
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- EP
- European Patent Office
- Prior art keywords
- filaments
- manufacturing process
- process according
- sheet
- nonwoven sheet
- Prior art date
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- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 11
- -1 polyethylene terephthalate Polymers 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 7
- 229920002647 polyamide Polymers 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 4
- 238000010494 dissociation reaction Methods 0.000 claims description 4
- 230000005593 dissociations Effects 0.000 claims description 4
- 230000002269 spontaneous effect Effects 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001634 Copolyester Polymers 0.000 claims description 2
- 229920000571 Nylon 11 Polymers 0.000 claims description 2
- 229920002292 Nylon 6 Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 238000007596 consolidation process Methods 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000012830 plain croissants Nutrition 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/11—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 yarns or filaments made mechanically 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
- D04H1/4391—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 characterised by the shape of the fibres
- D04H1/43918—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 characterised by the shape of the fibres nonlinear fibres, e.g. crimped or coiled fibres
-
- 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
- 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
-
- 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
- D04H3/018—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
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
Definitions
- the present invention relates to the field of the production of nonwoven webs or strips, in continuous filaments obtained by spinning polymers with the molten state, and relates to a manufacturing process a nonwoven web made of continuous filaments linked together, as well as a sheet thus obtained.
- These current binding methods consist of treat by jets of fluids, in particular by water jet under high pressure, nonwovens obtained by techniques such as wet or dry (by carding mechanical or pneumatic of fibers from 20 up 80 mm in length).
- the wet process uses short fibers and flat, rarely exceeding 20 mm in length.
- the dry process uses fibers generally curly, which greatly facilitates the realization single sails, the length of which can range up to 80 mm.
- the high mobility of the cut fibers moved by the action of the jets, allows a rearrangement of the structure by sliding of all or part of the fibers in the direction of the lines of force exercised perpendicular to the plane of the sheet.
- the subject of the present invention is in particular to overcome these drawbacks.
- nonwoven web made up of filaments continuous linked together, characterized in that it consists making a nonwoven web from filaments biconstituents having a crimp, then to subject said ply to high pressure fluid jets, including mechanical action leads to a tangle and a interlacing of crimped filaments constituting said tablecloth.
- Figure 1 shows schematically the deformation of a flat wire under the action of a jet of fluid according to conventional processes
- Figure 2 shows schematically the deformation a crimped wire under the action of a jet of fluid in accordance to the process according to the invention.
- the manufacturing process consists, first of all, of making a sheet of nonwoven from biconstituted filaments having crimping, then subjecting said sheet to jets of fluid under high pressure, the mechanical action of which results entanglement and intertwining of filaments crimps constituting said tablecloth.
- the effect of the jet of fluid on filaments curly is significantly more effective than on filaments rectilinear.
- the intensity of the tangle and the intertwining of biconstitued continuous filaments curly, and therefore the quality and solidity of the connection between said crimped filaments of nonwoven webs, are very much higher than those obtained for straight or rectilinear continuous filaments, this for an amount of energy expended during tying, identical.
- the biconstituted and crimped filaments, constituting the nonwoven web have a bimetallic structure comprising two elementary filamentary components consisting of two different polymers.
- nonwoven fabric composed continuous curly filaments, with bimetal structure can in particular be carried out according to the method described in the French deposit n ° 83 08770, leading to a spontaneous, intense and stable curling due to behavior asymmetric filaments during cooling by air or during stretching.
- Biconstituent filaments comprising two filamentary components side by side, are advantageously composed of two different polymers, particularly in the form of a combination, a part, of a polyamide chosen from the group formed by polyamide 66, polyamide 6 and polyamide 11 and, on the other hand, of a polyester chosen from the group formed by polyethylene terephthalate, polybutylene terephthalate and the copolyester.
- polyester-polypropylene pairs polyamide-polypropylene, pairs of two types of different polyamides or couples of polyester different, such as polyethylene terephthalate and polybutylene terephthalate, also very suitable well to get bimetallic structures leading to a spontaneous crimp.
- the proportions of the two polymers, constituting the bimetal wire can vary in proportions notable from 95/5 to 5/95.
- the relative proportions of both of the constituents influence the quality and intensity of the crimp.
- the adjustment of this proportion of the one and the other constituent is one of means for regulating the crimping of the filaments.
- filaments can be obtained by various known spinning / extrusion processes and present, in addition to a circular section, various sections such as, for example, trilobed, quadrangular sections, or in the form of croissants or quarters.
- the latter can, if necessary, be increased by additional chemical treatments, such as those described in the aforementioned deposit or treatments physical such as heat treatment causing differential withdrawals on each of the polymers.
- the process can advantageously consist, in the case of filamentary components elementals made of incompatible polymers, to be submitted, via the fluid jets, the filaments of the nonwoven web with mechanical action the intensity of which is such that said filaments are dissociated into their elementary filamentary components, the latter then being intertwined and entangled under the effect of said jets of fluid.
- separation or complete dissociation of said filament is effective under the action of high pressure water jets and thus makes it possible to obtain, for example, from a filament biconstituent of 2 dtex, two filaments of 1 dtex separated.
- the titer of the filaments biconstituents used is less than 4 dtex, said filaments having a crimp frequency of 3 to 30 crimps per centimeter, preferably 8 to 20 crimps per centimeter and a crimp rate of 50 to 400%.
- crimp means in this specification the ripple in space of a wire or filament and can be defined numerically by the values of the crimp frequency, designating the number of crimps per unit of yarn or filament length, and the rate of crimp indicating, in percentage, the difference between the straightened length and crimped length of the wire or filament related to the straightened length of the latter or of this last.
- the nonwoven web produced using biconstituted and crimped filaments has a weight of 10 to 400 g / m 2 , preferably 20 to 200 g / m 2 .
- the fluid jets consist of water jets applied under a pressure of 140 x 10 5 Pa to 300 x 10 5 Pa, said jets being applied to the two faces of the non-woven sheet. -woven.
- Nozzles for generation of fluid jets may advantageously have a diameter of orifices ejection range between 100 ⁇ m and 250 ⁇ m, said nozzles being grouped on bars, arranged on one or more rows, with a spacing between ejection ports preferably between 0.2 and 1.2 mm.
- the fabrics supporting the nonwoven, during the treatment of binding consist of metallic filaments or synthetic material and their type of structure and the tightening of the mesh conditions the appearance of the nonwoven after treatment, as well as the dimensions and the nozzle spacing.
- the fabrics supporting the nonwoven web when applying fluid jets consist of tight metal fabrics from 80 to 120 mesh.
- the working speed possibilities depend on the titer of the filaments, their Young's modulus, their sensitivity to water, the weight / m 2 of the nonwoven, of course the energy available per unit area, and finally of the desired binding effect. They can be located between 10 and 100 m / min or even more for very light sheets.
- the subject of the invention is also a tablecloth. nonwoven, obtained by the process described above, and composed of either continuous biconstituted filaments having a crimp, said ply having a linked structure resulting from a tangle and a intense interlacing of said filaments, ie of filaments continuous, tangled and interwoven curly, consistent in two different materials and obtained by dissociation of continuous biconstituted filaments with a structure bimetal.
- the sheets thus treated have, of a part, the properties of nonwovens of continuous filaments, such as breaking strength levels, with very high tear and punch, but also, on the other hand, flexibility, drape, opacity and the property called "lintfree", that is to say not to have of free fibers or fibrils, which is an advantage considerable in medical applications and surgical such as dressings, surgical drape, medical coats or the like, and provides high resistance to friction and household washing. These properties can be further improved by the standard finishing treatments of the textile industry.
- finishing treatments textiles such as dyeing, printing by transfer methods, pigment printing or fixed-washed, scraping or emery treatment or the like.
- tablecloth applications thus obtained can also extend to other textile applications such as furniture (draperies, wall coverings, clothing in the traditional flannelized or felted aspects, seat or bed coverings, blankets, etc )., the coating supports (shoe, leather goods, luggage, interior car trim, etc %) or synthetic suede or coated leathers obtained by impregnating flexible binders or by example of coagulated polyurethanes.
- furniture draperies, wall coverings, clothing in the traditional flannelized or felted aspects, seat or bed coverings, blankets, etc
- the coating supports shoe, leather goods, luggage, interior car trim, etc
- synthetic suede or coated leathers obtained by impregnating flexible binders or by example of coagulated polyurethanes.
- the sheet of 110 g / m 2 thus obtained consisting of bicomponent filaments and whose spontaneous crimp, revealed on receipt on the receiving apron, is 16 crimps / cm, is then transported at a speed of 12 m / minute up to to a water jet binding device fitted with a 100 mesh metallic transport fabric with an opening of 25%.
- the binding device makes it possible to successively treat the nonwoven on one face, then the other, using two sets of four rows (bars) of jets spaced apart from each other by 0.6 mm.
- the nozzle orifices have a diameter of 100 ⁇ and the pressures of the water jets of each of the rows are successively 160 - 220 - 140 - 140 x 10 5 Pa on the first assembly and on one side, the same for the second set on the other side of the tablecloth.
- the tablecloth after spinning, is dried on a air-through drum at a temperature of 160 ° C.
- the tablecloth obtained has a very soft touch and is very flexible.
- the breaking load as well as the energy of rupture of the water table, measured according to the AFNOR standard GO7OO1, the initiated tear resistance, measured according to AFNOR GO7055 standard and resistance to bursting, according to standard AFNOR GO7112 are at a very high level; flexural stiffness is achieved according to ISO / TC.94 / SC 1139 F 3/70.
- the table below shows the different characteristics, on the one hand, of a nonwoven web (A) made of continuous and crimped filaments with structure polyamide 6.6 / polyethylene terephthalate bimetallic strip (50/50) of 1.5 dtex linked by pressurized water jets according to the method described above, and, on the other hand, a nonwoven web (B) made of monolame filaments, continuous and non-curly, of 1.5 dtex, and composed of polyester polyethylene terephthalate.
- A nonwoven web
- A made of continuous and crimped filaments with structure polyamide 6.6 / polyethylene terephthalate bimetallic strip (50/50) of 1.5 dtex linked by pressurized water jets according to the method described above
- a nonwoven web (B) made of monolame filaments, continuous and non-curly, of 1.5 dtex, and composed of polyester polyethylene terephthalate.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
- Multicomponent Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
- extrusion de filaments de 1,5 dtex, chacun constitué de deux composantes filamentaires, l'une en polyester (polyterephtalate d'éthylène glycol) et l'autre en polyamide (polyhexaméthylène adipamide) en position côte-côte et en proportion 50/50 en volume ;
- étirage dans une buse pneumatique avec une pression d'air de 3,2 x 105 Pa, située à 125 cm de la filière ;
- dépôt des filaments sur un tablier sans fin récepteur en utilisant le procédé dit "travelling" décrit dans FR 74 20254.
(A) | (B) | |
Masse surfacique (g/m2) | 108,5 | 110 |
Charge rupture - SL (daN) | 43,7 | 32,3 |
Charge rupture - ST (dAN) | 26,4 | 22,1 |
Isotropie | 1,65 | 1,46 |
Allongement - SL (%) | 84,2 | 72,3 |
Allongement - ST (%) | 88,5 | 75,6 |
Allongement / 3daN - SL (%) | 4,4 | 8,2 |
Allongement / 5daN - SL (%) | 7,3 | 15,6 |
Allongement / 10daN - SL (%) | 15,3 | 26,5 |
Allongement / 3daN - ST (%) | 14,2 | 23,6 |
Allongement / 5daN - ST (%) | 21,5 | 36,8 |
Allongement / 10daN - ST (%) | 36,3 | 51,5 |
Energie rupture - SL (j) | 42,1 | 21,3 |
Energie rupture - ST (j) | 22,9 | 13,6 |
Epaisseur (mm) | 0,66 | 1,17 |
Retrait thermique - SL (%) | 0,9 | 0,8 |
Retrait thermique - ST (%) | 0,8 | 0,7 |
Flexion SL (mg/cm) | 846 | 1025 |
Flexion ST (mg/cm) | 221 | 348 |
Claims (9)
- Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux, caractérisé en ce qu'il consiste à produire des filaments continus biconstitués dont le titre est inférieur à 4 dtex, ces filaments comprenant deux composantes filamentaires élémentaires côte-à-côte en deux polymères différents et présentant une frisure spontanée avec une fréquence de frisure de 3 à 30 frisures par centimètre et un taux de frisure de 50 à 400 %, à former une nappe non-tissée à partir de ces filaments frisés biconstitués, présentant un poids de 10 à 400 g/m2, puis à soumettre les deux faces de ladite nappe à des jets de fluide successifs sous une pression comprise entre 140 x 105 Pa et 300 x 105 Pa dont l'action mécanique entraíne une dissociation desdits filaments en leurs composantes filamentaires élémentaires, ainsi qu'un enchevêtrement et un entrelacement desdites filaments et leurs composantes.
- Procédé de fabrication selon la revendication 1, caractérisé en ce que les filaments biconstitués et frisés, constituant la nappe de non-tissé, présentent une structure bilame.
- Procédé de fabrication selon l'une quelconque des revendications 1 et 2, caractérisé en ce que les filaments biconstitués, comprenant deux composantes filamentaires côte-à-côte, sont composés de deux polymères différents sous la forme d'une combinaison, d'une part, d'un polyamide choisi dans le groupe formé par le polyamide 66, le polyamide 6 et le polyamide 11 et, d'autre part, d'un polyester choisi dans le groupe formé par le polyéthylène terephtalate, le polybutylène terephtalate et le copolyester.
- Procédé de fabrication selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les filaments présentent une fréquence de frisure de 8 à 20 frisures par centimètre.
- Procédé de fabrication selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la nappe de non-tissé présente un poids de 20 à 200 g/m2.
- Procédé de fabrication selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les buses pour la génération des jets de fluide présentent un diamètre d'orifices d'éjection compris entre 100 µm et 250 µm, lesdites buses étant regroupées sur des barettes, disposées sur une ou plusieurs rangées, avec un espacement entre orifices d'éjection préférentiellement compris entre 0,2 et 1,2 mm.
- Procédé de fabrication selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les toiles supportant la nappe de non-tissé lors de l'application des jets de fluide consistent en des toiles métalliques serrées de 80 à 120 mesh.
- Procédé de fabrication selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il consiste à soumettre la nappe de non-tissé, lors de son séchage, à une ambiance chaude et humide permettant d'accentuer la frisure des filaments et de provoquer une rétraction et une consolidation de ladite nappe, ainsi que des qualités de toucher améliorées.
- Nappe de non-tissé obtenue au moyen du procédé de fabrication selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle est constituée par des filaments continus frisés enchevêtrés et entrelacés, consistant en deux matériaux différents et obtenus par dissociation de filaments continus biconstitués à structure bilame.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304919A FR2705698B1 (fr) | 1993-04-22 | 1993-04-22 | Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue. |
US08/053,367 US5355565A (en) | 1993-04-22 | 1993-04-28 | Process for the production of a non-woven cloth constituted of continuous interconnected filaments and cloth thus obtained |
DE69421612T DE69421612T3 (de) | 1993-04-22 | 1994-07-29 | Herstellverfahren für eine Vliesstofflage aus gebundenen Filamenten und so hergestellte Balm |
ES94440050T ES2141812T3 (es) | 1993-04-22 | 1994-07-29 | Procedimiento de fabricacion de una lamina de material no tejido, constituida por filamentos continuos unidos entre si, y lamina asi obtenida. |
AT94440050T ATE186578T1 (de) | 1993-04-22 | 1994-07-29 | Herstellverfahren für eine vliesstofflage aus gebundenen filamenten und so hergestellte balm |
SI9430302T SI0694644T1 (en) | 1993-04-22 | 1994-07-29 | Method of producing a non woven sheet comprising continuous filaments bonded together and sheet thus obtained |
PT94440050T PT694644E (pt) | 1993-04-22 | 1994-07-29 | Processo de fabrico de uma faixa de nao tecido constituida por filamentos continuos ligados entre si e faixa obtida |
EP94440050A EP0694644B2 (fr) | 1993-04-22 | 1994-07-29 | Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue |
DK94440050T DK0694644T3 (da) | 1993-04-22 | 1994-07-29 | Fremgangsmåde til fremstilling af et ikke-vævet stof, der består af kontinuerlige filamenter, der er forbundet med hinanden |
DE0694644T DE694644T1 (de) | 1993-04-22 | 1994-07-29 | Herstellverfahren für eine Vliesstofflage aus gebundenen Filamenten und so hergestellte Balm |
GR20000400294T GR3032596T3 (en) | 1993-04-22 | 2000-02-09 | Method of producing a non woven sheet comprising continuous filaments bonded together and sheet thus obtained |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9304919A FR2705698B1 (fr) | 1993-04-22 | 1993-04-22 | Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue. |
EP94440050A EP0694644B2 (fr) | 1993-04-22 | 1994-07-29 | Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue |
ZA945637A ZA945637B (en) | 1994-07-29 | 1994-07-29 | Process for the production of a non-woven cloth constituted of continuous interconnected filaments and cloth thus obtained |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0694644A1 EP0694644A1 (fr) | 1996-01-31 |
EP0694644B1 EP0694644B1 (fr) | 1999-11-10 |
EP0694644B2 true EP0694644B2 (fr) | 2004-03-10 |
Family
ID=27236259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94440050A Expired - Lifetime EP0694644B2 (fr) | 1993-04-22 | 1994-07-29 | Procédé de fabrication d'une nappe de non-tissé constituée de filaments continus liés entre eux et nappe ainsi obtenue |
Country Status (10)
Country | Link |
---|---|
US (1) | US5355565A (fr) |
EP (1) | EP0694644B2 (fr) |
AT (1) | ATE186578T1 (fr) |
DE (2) | DE69421612T3 (fr) |
DK (1) | DK0694644T3 (fr) |
ES (1) | ES2141812T3 (fr) |
FR (1) | FR2705698B1 (fr) |
GR (1) | GR3032596T3 (fr) |
PT (1) | PT694644E (fr) |
SI (1) | SI0694644T1 (fr) |
Families Citing this family (29)
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---|---|---|---|---|
US5587225A (en) * | 1995-04-27 | 1996-12-24 | Kimberly-Clark Corporation | Knit-like nonwoven composite fabric |
US6352948B1 (en) | 1995-06-07 | 2002-03-05 | Kimberly-Clark Worldwide, Inc. | Fine fiber composite web laminates |
US6200669B1 (en) | 1996-11-26 | 2001-03-13 | Kimberly-Clark Worldwide, Inc. | Entangled nonwoven fabrics and methods for forming the same |
US5970583A (en) * | 1997-06-17 | 1999-10-26 | Firma Carl Freudenberg | Nonwoven lap formed of very fine continuous filaments |
JPH11217757A (ja) * | 1998-01-30 | 1999-08-10 | Unitika Ltd | 短繊維不織布およびその製造方法 |
US7091140B1 (en) | 1999-04-07 | 2006-08-15 | Polymer Group, Inc. | Hydroentanglement of continuous polymer filaments |
DE19934442C2 (de) * | 1999-07-26 | 2001-09-20 | Freudenberg Carl Fa | Verfahren zur Herstellung eines Vliesstoffs und Vliesstoff zur Herstellung von Reinraum-Schutzbekleidung |
DE19962361A1 (de) * | 1999-12-23 | 2001-07-12 | Freudenberg Carl Fa | Sportbekleidung |
DE19962356A1 (de) * | 1999-12-23 | 2001-07-05 | Freudenberg Carl Fa | Sanitärwäsche |
DE19962355A1 (de) * | 1999-12-23 | 2001-07-05 | Freudenberg Carl Fa | Sanitärbekleidung |
DE19962360B4 (de) * | 1999-12-23 | 2005-06-30 | Carl Freudenberg Kg | Arbeitsschutzbekleidung |
DE19962357A1 (de) * | 1999-12-23 | 2001-07-05 | Freudenberg Carl Fa | Schlafbekleidung |
DE19962359B4 (de) * | 1999-12-23 | 2004-07-08 | Carl Freudenberg Kg | Thermovliesstoff |
DE10009281C1 (de) * | 2000-02-28 | 2001-03-22 | Freudenberg Carl Fa | Schallabsorptionsmaterial |
DE10009248C2 (de) * | 2000-02-28 | 2002-06-27 | Freudenberg Carl Kg | Medizinisches Verbandsmaterial |
AU2001261660A1 (en) | 2000-05-16 | 2001-11-26 | Polymer Group, Inc. | Method of making nonwoven fabric comprising splittable fibers |
US6736916B2 (en) | 2000-12-20 | 2004-05-18 | Kimberly-Clark Worldwide, Inc. | Hydraulically arranged nonwoven webs and method of making same |
FR2835866B1 (fr) | 2002-02-12 | 2004-08-20 | Meritor Light Vehicle Sys Ltd | Systeme de decondamnation d'ouvrant de vehicule automobile |
US6715189B2 (en) * | 2002-02-27 | 2004-04-06 | Milliken & Company | Method for producing a nonwoven fabric with enhanced characteristics |
DE10219929A1 (de) * | 2002-05-03 | 2003-12-04 | Freudenberg Carl Kg | Verfahren zur Verbesserung von Weichheit und/oder Fall von Vliesstoffen |
US6739023B2 (en) | 2002-07-18 | 2004-05-25 | Kimberly Clark Worldwide, Inc. | Method of forming a nonwoven composite fabric and fabric produced thereof |
US7022201B2 (en) | 2002-12-23 | 2006-04-04 | Kimberly-Clark Worldwide, Inc. | Entangled fabric wipers for oil and grease absorbency |
US6958103B2 (en) | 2002-12-23 | 2005-10-25 | Kimberly-Clark Worldwide, Inc. | Entangled fabrics containing staple fibers |
US7194788B2 (en) | 2003-12-23 | 2007-03-27 | Kimberly-Clark Worldwide, Inc. | Soft and bulky composite fabrics |
US7645353B2 (en) | 2003-12-23 | 2010-01-12 | Kimberly-Clark Worldwide, Inc. | Ultrasonically laminated multi-ply fabrics |
GB2415011B (en) * | 2004-06-11 | 2009-01-14 | Louver Lite Ltd | Blind fabric |
ES2279679B1 (es) * | 2005-05-09 | 2008-07-16 | Antonio Bullon Herrera | Perfeccionamientos en la constitucion de cortinas, estores y elementos similares. |
US8021996B2 (en) | 2008-12-23 | 2011-09-20 | Kimberly-Clark Worldwide, Inc. | Nonwoven web and filter media containing partially split multicomponent fibers |
JP7596366B2 (ja) * | 2019-09-03 | 2024-12-09 | ベリー グローバル インコーポレイテッド | 捲縮連続繊維を含む水流交絡不織布 |
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US3485706A (en) † | 1968-01-18 | 1969-12-23 | Du Pont | Textile-like patterned nonwoven fabrics and their production |
EP0586924A1 (fr) † | 1992-08-21 | 1994-03-16 | Kimberly-Clark Corporation | Etoffe non-tissé polymère à plusieurs composantes et procédé pour sa production |
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NL147200B (nl) * | 1964-08-04 | 1975-09-15 | Du Pont | Werkwijze voor het vervaardigen van een van openingen voorziene niet-geweven stof en niet-geweven stof vervaardigd volgens deze werkwijze. |
FR2038039A5 (fr) * | 1969-03-12 | 1970-12-31 | Fiber Industries Inc | |
FR2299438A1 (fr) * | 1974-06-10 | 1976-08-27 | Rhone Poulenc Textile | Procede et dispositif pour la fabrication de nappes non tissees en fils continus thermoplastiques |
US4188690A (en) * | 1976-02-25 | 1980-02-19 | Mitsubishi Rayon Company, Limited | Nonwoven fabric and manufacturing method thereof |
US4329763A (en) * | 1979-01-04 | 1982-05-18 | Monsanto Company | Process for softening nonwoven fabrics |
DE3381143D1 (de) * | 1982-03-31 | 1990-03-01 | Toray Industries | Vlies aus ultra feinen verwirrten fasern, und verfahren zur herstellung desselben. |
US4548628A (en) * | 1982-04-26 | 1985-10-22 | Asahi Kasei Kogyo Kabushiki Kaisha | Filter medium and process for preparing same |
JPS599279A (ja) * | 1982-07-07 | 1984-01-18 | 東レ株式会社 | 新規なアニリン調異色銀面をもつ人工皮革およびその製造方法 |
JPS59125954A (ja) * | 1982-12-31 | 1984-07-20 | ユニ・チャ−ム株式会社 | 不織布の製法 |
FR2546536B1 (fr) * | 1983-05-25 | 1985-08-16 | Rhone Poulenc Fibres | Procede pour le traitement de nappes non tissees et produit obtenu |
DE3483149D1 (de) * | 1984-01-05 | 1990-10-11 | Du Pont | Nichtgewobene stoffbahnen. |
US4939016A (en) * | 1988-03-18 | 1990-07-03 | Kimberly-Clark Corporation | Hydraulically entangled nonwoven elastomeric web and method of forming the same |
JPH0749619B2 (ja) * | 1990-04-12 | 1995-05-31 | ユニチカ株式会社 | 交絡不織布及びその製造方法 |
JPH0434058A (ja) * | 1990-05-30 | 1992-02-05 | Nippon Ester Co Ltd | 極細短繊維不織布の製造方法 |
JPH0457950A (ja) * | 1990-06-25 | 1992-02-25 | Nippon Ester Co Ltd | 極細短繊維不織布の製造方法 |
JPH0465567A (ja) * | 1990-06-28 | 1992-03-02 | Daiwabo Create Kk | 不織布及びその製造方法 |
-
1993
- 1993-04-22 FR FR9304919A patent/FR2705698B1/fr not_active Expired - Lifetime
- 1993-04-28 US US08/053,367 patent/US5355565A/en not_active Expired - Lifetime
-
1994
- 1994-07-29 DE DE69421612T patent/DE69421612T3/de not_active Expired - Lifetime
- 1994-07-29 ES ES94440050T patent/ES2141812T3/es not_active Expired - Lifetime
- 1994-07-29 SI SI9430302T patent/SI0694644T1/xx unknown
- 1994-07-29 EP EP94440050A patent/EP0694644B2/fr not_active Expired - Lifetime
- 1994-07-29 DE DE0694644T patent/DE694644T1/de active Pending
- 1994-07-29 PT PT94440050T patent/PT694644E/pt unknown
- 1994-07-29 DK DK94440050T patent/DK0694644T3/da active
- 1994-07-29 AT AT94440050T patent/ATE186578T1/de not_active IP Right Cessation
-
2000
- 2000-02-09 GR GR20000400294T patent/GR3032596T3/el unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US3485706A (en) † | 1968-01-18 | 1969-12-23 | Du Pont | Textile-like patterned nonwoven fabrics and their production |
EP0586924A1 (fr) † | 1992-08-21 | 1994-03-16 | Kimberly-Clark Corporation | Etoffe non-tissé polymère à plusieurs composantes et procédé pour sa production |
Also Published As
Publication number | Publication date |
---|---|
DE69421612D1 (de) | 1999-12-16 |
ATE186578T1 (de) | 1999-11-15 |
DE69421612T2 (de) | 2001-05-03 |
EP0694644B1 (fr) | 1999-11-10 |
GR3032596T3 (en) | 2000-05-31 |
US5355565A (en) | 1994-10-18 |
DK0694644T3 (da) | 2000-05-15 |
EP0694644A1 (fr) | 1996-01-31 |
DE694644T1 (de) | 1996-12-12 |
SI0694644T1 (en) | 2000-04-30 |
FR2705698B1 (fr) | 1995-06-30 |
DE69421612T3 (de) | 2004-11-04 |
PT694644E (pt) | 2000-04-28 |
FR2705698A1 (fr) | 1994-12-02 |
ES2141812T3 (es) | 2000-04-01 |
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