EP2183418B1 - Procédé de fabrication d'un produit plat résistant à la propagation de déchirement, produit plat résistant à la propagation de déchirement et utilisation - Google Patents

Procédé de fabrication d'un produit plat résistant à la propagation de déchirement, produit plat résistant à la propagation de déchirement et utilisation Download PDF

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Publication number
EP2183418B1
EP2183418B1 EP20080784596 EP08784596A EP2183418B1 EP 2183418 B1 EP2183418 B1 EP 2183418B1 EP 20080784596 EP20080784596 EP 20080784596 EP 08784596 A EP08784596 A EP 08784596A EP 2183418 B1 EP2183418 B1 EP 2183418B1
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EP
European Patent Office
Prior art keywords
fabric
polyethylene
segments
polymer
filaments
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.)
Not-in-force
Application number
EP20080784596
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German (de)
English (en)
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EP2183418A1 (fr
Inventor
Robert Groten
Ulrich Jahn
Georges Riboulet
Michael Hess
Ameur Abdelkader
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Carl Freudenberg KG
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Carl Freudenberg KG
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Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to PL08784596T priority Critical patent/PL2183418T3/pl
Publication of EP2183418A1 publication Critical patent/EP2183418A1/fr
Application granted granted Critical
Publication of EP2183418B1 publication Critical patent/EP2183418B1/fr
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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
    • D04H3/08—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
    • 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
    • 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
    • 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
    • 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
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • 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
    • D04H3/14—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
    • 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
    • Y10T442/611—Cross-sectional configuration of strand or fiber material is other than circular

Definitions

  • the present invention relates to a process for the production of a non-woving fabric from yarns, fibers or filaments formed from at least two elementary filaments of different polymers, a further tear-resistant fabric and its use.
  • US 2006/0223406 A1 For example, there is known a method of making tear resistant nonwoven webs of bicomponent fibers having an islands-in-the-sea arrangement.
  • a nylon / polyethylene polymer pair having a weight ratio of 75:25 with spent islands-in-the-sea arrangements described therein has at maximum a specific tear propagation force of 0.22 N per g / m 2 after calendering.
  • the EP 1098771 A1 relates to a nonwoven web made at least at tail from continuous filaments or composite fibers consisting of at least two components of thermoplastic fibers.
  • the object of the present invention is to provide a method which is as simple as possible, with which it is possible to produce fabrics with particularly good mechanical properties, in terms of particularly high values with regard to the specific tear propagation force.
  • the fabrics according to the invention are intended to be used in fields of application which in particular require a particularly high tear propagation force of the fabrics.
  • the fabrics should also have particularly high maximum tensile strength and / or elongation at break values.
  • an output sheet of yarns, fibers or filaments which are formed from at least two elementary filaments and in cross-section an orange column or pie piece arrangement (pie arrangement) having segments of different polymers , and subjected to a compressive heat treatment, penetrating the polymer segments and achieving at least substantially non-adhesive bonding by riveting the polymer segments using polymer pairs selected from polypropylene / polyethylene, polyamide6 / Polyethylene, polyethylene terephthalate / polyethylene, polyamide 6 / polypropylene or polyethylene terephthalate / polypropylene.
  • a substantially non-adhesive bond is here understood to mean a compound which has no, a heavy or only a limited bondability.
  • materials having a conditional adhesiveness have a conditional or no diffusion bonding, but may have a good adhesion bonding, and materials having a heavy bondability have no diffusion bonding and, if any, a conditional adhesion bonding.
  • the sheet has a particularly low basis weight of 20 to 500 g / m 2 , preferably from 40 to 300 g / m 2 , on.
  • the fabric preferably represents a nonwoven fabric that is at least partially formed from bicomponent continuous fibers or composite fibers.
  • the fibers preferably have a total denier of from 1.6 dtex to 6.4 dtex, preferably from 2 to 4.8 dtex.
  • the orange-slit or pie-pie arrangement advantageously has 2, 4, 8, 16, 32 or 64 segments, particularly preferably 8, 16 or 32 segments.
  • the polymers used are thermoplastic polymers, so-called incompatible polymer pairs or blends, of various polyolefins, polyesters and polyamides which give non-adhesive pairings.
  • the polymer pairs used are selected from polypropylene / polyethylene, polyamide 6 / polyethylene or polyethylene terephthalate / polyethylene, or polypropylene / polyethylene, polyamide 6 / polypropylene or polyethylene terephthalate / polypropylene.
  • Polymer pairs with at least one polyamide or with at least one polyethylene terephthalate are preferred because of their conditional bondability, and polymer pairs with at least one polyolefin are particularly preferably used because of their poor bondability.
  • Polyamide has a conditional adhesiveness, in particular, a conditional diffusion bonding and a good adhesive adhesion.
  • Polyethylene terephthalate has a conditional bondability, in particular no diffusion bonding and only after pretreatment, for example with plasma, a good adhesion on.
  • the polyolefins polyethylene and polypropylene have a heavy bondability, in particular no diffusion bonding and only after pretreatment a conditional adhesion HANSER Verlag, Saechtling, Plastic Paperback, 25th Edition, p 212 ).
  • the polymer pairs are preferably used in a weight ratio of 90:10 to 10:90. Weight ratios of 75:25 to 70:30 of the higher melting to the lower melting polymer have proved to be particularly advantageous.
  • the heat treatment is carried out in a calender, ie a heated pair of rolls, at a temperature which is equal to or up to 100 ° C above the melting temperature of the lower melting polymer component and at the same time maintaining the melting temperature of the higher melting polymer component.
  • the compressive heat treatment is further preferably carried out at a pressure of 100 to 1000 N / linear cm product width, preferably 300 to 700 N / linear cm product width.
  • the invention further relates to fabrics, in particular nonwovens, having a specific tear strength of equal to or greater than 0.4 N per g / m 2 , preferably from 0.6 to 0.9 N per g / m 2 according to the tongue method according to ASTM D 2261 and are produced by a compressive heat treatment, wherein the sheets are formed from yarns, fibers or filaments, which are formed from at least two elementary filaments and in cross-section an orange-pie arrangement with segments of different Polymers, wherein the polymer segments are penetrated and a substantially non-adhesive bond, that is, not on adhesive binders, but by riveting or welding of the polymer segments, using polymer pairs are used, selected from polypropylene / polyethylene , Poly amide6 / polyethylene, polyethylene terephthalate / polyethylene, polyamide6 / polypropylene or polyethylene erephthalat / polypropylene.
  • the basis weight of the sheet is advantageously 20 to 500 g / m 2 , preferably 40 to 300 g / m 2 .
  • the sheets are partially formed from bicomponent filaments or composite filaments.
  • the game, fibers or filaments preferably have a total denier of 1.6 dtex to 6.4 dtex, preferably from 2 to 4.8 dtex, on.
  • the orange-pie or pie-pie arrangement of the game, fibers or filaments preferably has 2, 4, 8, 16, 32 or 64 segments and particularly preferably 8, 16 or 32 segments.
  • thermoplastic polymers so-called incompatible polymer pairs or blends, of various polyolefins, polyesters and polyamides in any desired combination, it being apparent that non-adhesive pairings give the highest tearing force values.
  • the weight ratio of the polymer pairs is preferably 90:10 to 10:90, preferably 75:25 to 70:30 of the higher melting to lower melting polymer,
  • the fabrics according to the invention are intended to be used, in particular in application areas which require a particularly high tear propagation force of the fabrics.
  • the fabrics of the invention therefore find use as or for vehicle part packaging, especially boat or truck tarpaulins, or for textile architecture, especially Zeite, convertible covers or inflatable structures, especially inflatable boats or mobile playground structures.
  • nonwovens of bicomponent continuous filaments of the polymer pairs polyamide 6 / polyethylene, polypropylene / polyethylene and polyethylene terephthalate / polyethylene are produced.
  • polyethylene terephthalate INVISTA 8218J, 0.64I.V.
  • Polyamide 6 BASF B2702 polypropylene: SUNOCO CP360-H polyethylene: DOW XUS 61800,50
  • the manufacturing process is in terms of cooling, stretching and pile forming conditions in the French patent FR 2 299 438 similar procedures described.
  • nonwovens having a weight per unit area of about 100 g / m 2 and about 150 g / m 2 are produced, which are used as starting nonwoven fabrics in each case a compressing heat treatment in a calender at a temperature of 140 ° C, 145 ° C and of 150 ° C and a pressure of 100 to 1000 N / linear cm product width, preferably from 300 to 700 N / linear cm product width.
  • the calendering rate is 5 to 20 m / min, preferably 8 to 12 m / min, and the roll diameter is 320 to 489 mm.
  • Table 1 PA6 / PE (75/25), approx.
  • the nonwoven fabrics according to the invention in a pie slice arrangement have particularly good mechanical properties, in particular in comparison with nonwoven fabrics in island-in-sea arrangement, in the sense of particularly high values relating to the tear propagation force, the maximum tensile force and / or the elongation at break.
  • tear propagation values are surprisingly high could not be expected in terms of adhesive and textile-mechanical properties, since polymer pairs of non-adhesive, only difficultly or conditionally adhesive polymer components have these high tear propagation values.
  • the nonwoven fabrics produced according to the invention with a basis weight of about 100 g / m 2 in piecemeal arrangement with the polymer pairs polyamide 6 / polyethylene at a calendering temperature of 150 ° C and polyethylene terephthalate / polyethylene at a Calender temperature of 140 ° C the highest maximum tensile strength values.
  • nonwoven fabrics produced according to the invention with a basis weight of about 150 g / m 2 in cake piecing arrangement with the polymer pair polyethylene terephthalate / polyethylene at a calendering temperature of 145 ° C.
  • Table 1 shows that after treatment at the calender temperatures 140 ° C, 145 ° C and 150 ° C, the nonwovens with the polymer pair polyamide 6 / polyethylene and a basis weight of about 100 g / m 2 in gleich Suite have significantly higher maximum tensile strength than the corresponding nonwovens in islands-in-the-sea arrangements (except the islands-in-the-sea arrangement with 108 islands at 145 ° C).
  • Table 1 shows that after treatment with a calendering temperature of 150 ° C., the nonwovens with the polymer pair polyamide 6 / polyethylene and a basis weight of about 100 g / m 2 in piecemeal arrangement have higher elongation at fracture than the corresponding nonwoven fabrics in islands. in-sea configurations.
  • Table 2 shows that after treatment at the calender temperatures 140 ° C, 145 ° C and 150 ° C, the nonwoven fabrics with the polymer pair polyamide 6 / polyethylene and a basis weight of about 150 g / m 2 in gleich Published arrangement have significantly higher tear strength values than the corresponding nonwovens in islands-in-the-sea arrangements.
  • Table 2 shows that after a calendering temperature treatment at 150 ° C., the nonwovens with the polymer pair polyamide 6 / polyethylene and a basis weight of about 150 g / m 2 in a cake-pieced arrangement have significantly higher maximum tensile strength and elongation at break values than the corresponding nonwoven fabrics in islands -in-sea configurations.
  • Table 3 shows that after treatment at the calender temperatures 140 ° C, 145 ° C and 150 ° C, the nonwovens with the polymer pair polypropylene / polyethylene and a basis weight of about 100 g / m 2 in gleich Published arrangement significantly higher elongation at break than those corresponding nonwovens in islands-in-the-sea arrangements.
  • Table 3 shows that after treatment at calender temperatures of 145 ° C and 150 ° C, the nonwovens with the polymer pair polypropylene / polyethylene and a basis weight of about 100 g / m 2 in gleich Published arrangement higher availability higher availability than the corresponding nonwovens in Islands-in-sea configurations.
  • Table 4 shows that, after treatment, the nonwovens with the polymer pair polypropylene / polyethylene and a weight per unit area of about 150 g / m 2 in a pie slice arrangement have significantly higher maximum tensile strength and elongation at break values than the corresponding nonwoven fabrics in islands-in-the-sea arrangements.
  • Table 5 shows that after treatment at the calender temperatures of 140 ° C., 145 ° C. and 150 ° C., the nonwoven fabrics with the polymer pair polyethylene terephthalate / polyethylene and a weight per unit area of about 100 g / m 2 in a cake-piece arrangement have significantly higher elongation at break values and tear propagation values as the corresponding nonwovens in islands-in-the-sea arrangements.
  • Table 5 shows that after treatment at a calender temperature of 140 ° C, the nonwovens with the polymer pair polyethylene terephthalate / polyethylene and a basis weight of about 100 g / m 2 in gleich Published arrangement have higher peak tensile strength than the corresponding nonwoven fabrics in islands im -Sea arrangements.
  • Table 6 shows that after treatment at the calender temperatures 140 ° C, 145 ° C and 150 ° C, the nonwovens with the polymer pair polyethylene terephthalate / polyethylene and a basis weight of about 150 g / m 2 in gleich Suite significantly higher elongation at break than the corresponding nonwovens in islands-in-the-sea arrangements. Furthermore, Table 6 shows that after treatment at calender temperatures of 140 ° C and 145 ° C, the nonwovens with the polymer pair polyethylene terephthalate / polyethylene and a basis weight of about 150 g / m 2 in gleich Suite arrangement higher availabilityzuguch than the corresponding nonwovens in Islands-in-sea configurations.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Woven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Claims (15)

  1. Procédé de fabrication d'une structure plate résistante à la propagation de déchirures, selon lequel une structure plate initiale à base de fils, fibres ou filaments qui sont formés d'au moins deux filaments élémentaires et présentent sur la section un agencement en segments d'orange ou en parts de gâteau avec des segments de différents polymères est utilisée, et la structure plate initiale est exposée à un traitement thermique comprimant, les segments polymères s'interpénétrant et une liaison au moins essentiellement non adhésive étant obtenue par rivetage ou soudage des segments polymères, des paires de polymères choisies parmi le polypropylène/polyéthylène, le polyamide 6/polyéthylène, le polyéthylène téréphtalate/polyéthyléne, le polyamide 6/polypropylène ou le polyéthylène téréphtalate/polypropylène étant utilisées.
  2. Procédé selon la revendication 1, pour la fabrication d'une structure plate ayant une résistance spécifique à la propagation des déchirures supérieure ou égale à 0,4 N par g/m2, de préférence de 0,6 à 0,9 N N par g/m2 (méthode Zungen, ASTM D 2261).
  3. Procédé selon la revendication 1 ou 2, dans lequel la structure plate présente un poids superficiel de 20 à 500 g/m2, de préférence de 40 à 300 g/m2.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel la structure plate est un non-tissé, au moins partiellement formé à partir de filaments continus bicomposants, de filaments composites ou de fibres.
  5. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'agencement en segments d'orange ou en parts de gâteaux comprend 2, 4, 8, 16, 32 ou 64 segments, de préférence 8, 16 ou 32 segments.
  6. Procédé selon la revendication 5, dans lequel les paires de polymères sont utilisées avec un rapport en poids de 90:10 à 10:90, de préférence de 75:25 à 70:30, entre le polymère de point de fusion supérieur et le polymère de point de fusion inférieur.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel le traitement thermique est réalisé dans une calandre à une température qui est égale ou jusqu'à 100 °C supérieure à la température de fusion du composant polymère de point de fusion inférieur et inférieure à la température de fusion du composant polymère de point de fusion supérieur.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel le traitement thermique comprimant est réalisé à une pression de 100 à 1 000 N/cm linéaire de largeur de produit, de préférence de 300 à 700 N/cm linéaire de largeur de produit.
  9. Structure plate, notamment non-tissé, qui présente une résistance spécifique à la propagation des déchirures supérieure ou égale à 0,4 N par g/m2, de préférence de 0,6 à 0,9 N par g/m2 (selon la méthode Zungen, ASTM D 2261), et qui est fabriquée par un traitement thermique comprimant, la structure plate étant formée à partir de fils, fibres ou filaments qui sont formés d'au moins deux filaments élémentaires et présentent sur la section un agencement en segments d'orange ou en parts de gâteau avec des segments de différents polymères, les segments polymères s'interpénétrant et formant une liaison au moins essentiellement non adhésive par rivetage ou soudage des segments polymères, des paires de polymères choisies parmi le polypropylène/polyéthylène, le polyamide 6/polyéthylène, le polyéthylène téréphtalate/polyéthylène, le polyamide 6/polypropylène ou le polyéthylène téréphtalate/polypropylène étant utilisées.
  10. Structure plate selon la revendication 9, qui présente un poids superficiel de 20 à 500 g/m2, de préférence de 40 à 300 g/m2.
  11. Structure plate selon la revendication 9 ou 10, qui est partiellement formée à partir de fibres continues bicomposantes ou de fibres composites.
  12. Structure plate selon l'une quelconque des revendications 9 à 11, dans laquelle les fils, fibres ou filaments présentent un titre total de 1,6 dtex à 6,4 dtex, de préférence de 2 à 4,8 dtex.
  13. Structure plate selon l'une quelconque des revendications 9 à 12, dans laquelle l'agencement en segments d'orange ou en parts de gâteau présente 2, 4, 8, 16, 32 ou 64 segments, de préférence 8, 16 ou 32 segments.
  14. Structure plate selon la revendication 13, dans laquelle le rapport en poids des paires de polymères est de 90:10 à 10:90, de préférence de 75:25 à 70:30, entre le polymère de point de fusion supérieur et le polymère de point de fusion inférieur.
  15. Utilisation de la structure plate, notamment du non-tissé, selon l'une quelconque des revendications 9 à 14, en tant que ou pour des emballages de parties de véhicules, notamment des bâches pour bateaux ou poids lourds, ou pour l'architecture textile, notamment les tentes, les toits de cabriolets ou les constructions gonflables, notamment les bateaux pneumatiques ou les structures de jeux mobiles.
EP20080784596 2007-08-28 2008-07-02 Procédé de fabrication d'un produit plat résistant à la propagation de déchirement, produit plat résistant à la propagation de déchirement et utilisation Not-in-force EP2183418B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08784596T PL2183418T3 (pl) 2007-08-28 2008-07-02 Sposób wytwarzania wytrzymałego na dalsze rozdzieranie płaskiego wyrobu włókienniczego, wytrzymały na dalsze rozdzieranie płaski wyrób włókienniczy oraz jego zastosowanie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007040795A DE102007040795B4 (de) 2007-08-28 2007-08-28 Verwendung eines Flächengebildes
PCT/EP2008/005391 WO2009030300A1 (fr) 2007-08-28 2008-07-02 Procédé de fabrication d'un produit plat résistant à la propagation de déchirement, produit plat résistant à la propagation de déchirement et utilisation

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EP2183418A1 EP2183418A1 (fr) 2010-05-12
EP2183418B1 true EP2183418B1 (fr) 2012-01-25

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US (1) US8382926B2 (fr)
EP (1) EP2183418B1 (fr)
CN (1) CN101790605B (fr)
AT (1) ATE542939T1 (fr)
DE (1) DE102007040795B4 (fr)
DK (1) DK2183418T3 (fr)
ES (1) ES2379137T3 (fr)
PL (1) PL2183418T3 (fr)
TW (1) TWI365929B (fr)
WO (1) WO2009030300A1 (fr)

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DE102015010966A1 (de) * 2015-08-26 2017-03-02 Carl Freudenberg Kg Reinigungstextil
DE102016010163A1 (de) * 2016-08-25 2018-03-01 Carl Freudenberg Kg Technisches Verpackungsmaterial

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Publication number Priority date Publication date Assignee Title
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
JP2588551B2 (ja) 1987-07-11 1997-03-05 旭化成工業株式会社 引張強度と引裂強度の高い連続網状繊維不織布
US5534339A (en) * 1994-02-25 1996-07-09 Kimberly-Clark Corporation Polyolefin-polyamide conjugate fiber web
FR2749860B1 (fr) * 1996-06-17 1998-08-28 Freudenberg Spunweb Sa Nappe non tissee formee de filaments continus tres fins
US5783503A (en) * 1996-07-22 1998-07-21 Fiberweb North America, Inc. Meltspun multicomponent thermoplastic continuous filaments, products made therefrom, and methods therefor
US6100208A (en) * 1996-10-31 2000-08-08 Kimberly-Clark Worldwide, Inc. Outdoor fabric
US6200669B1 (en) * 1996-11-26 2001-03-13 Kimberly-Clark Worldwide, Inc. Entangled nonwoven fabrics and methods for forming the same
FR2790487B1 (fr) 1999-03-02 2001-04-20 Freudenberg Carl Fa Procede de fabrication de filaments ou de fibres multisegmente(e)s, ainsi que filaments ou fibres et surface textile resultants
FR2790489B1 (fr) * 1999-03-01 2001-04-20 Freudenberg Carl Fa Nappe non tissee en filaments ou fibres thermolie(e)s
ATE288512T1 (de) 2000-08-03 2005-02-15 Bba Nonwovens Simpsonville Inc Verfahren und vorrichtung zur herstellung von spinnvliesen aus multi-komponenten fäden
DE10258112B4 (de) * 2002-12-11 2007-03-22 Carl Freudenberg Kg Verfahren zur Herstellung eines Flächengebildes aus zumindest teilweise gesplitteten Garnen, Fasern oder Filamenten
WO2004082930A1 (fr) 2003-03-19 2004-09-30 Asahi Kasei Fibers Corporation Non-tisse en polyester a resistance elevee a la pression d'eau
US7438777B2 (en) 2005-04-01 2008-10-21 North Carolina State University Lightweight high-tensile, high-tear strength bicomponent nonwoven fabrics

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CN101790605B (zh) 2014-03-19
ATE542939T1 (de) 2012-02-15
DE102007040795B4 (de) 2011-06-09
US20100209684A1 (en) 2010-08-19
DK2183418T3 (da) 2012-04-02
US8382926B2 (en) 2013-02-26
DE102007040795A1 (de) 2009-03-05
EP2183418A1 (fr) 2010-05-12
WO2009030300A1 (fr) 2009-03-12
CN101790605A (zh) 2010-07-28
ES2379137T3 (es) 2012-04-23
PL2183418T3 (pl) 2012-06-29
TWI365929B (en) 2012-06-11
TW200916622A (en) 2009-04-16

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