FR2649932A3 - Composite article comprising an inner layer of fabric and an outer layer of a nonwoven microfibrous material - Google Patents

Composite article comprising an inner layer of fabric and an outer layer of a nonwoven microfibrous material Download PDF

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Publication number
FR2649932A3
FR2649932A3 FR9009157A FR9009157A FR2649932A3 FR 2649932 A3 FR2649932 A3 FR 2649932A3 FR 9009157 A FR9009157 A FR 9009157A FR 9009157 A FR9009157 A FR 9009157A FR 2649932 A3 FR2649932 A3 FR 2649932A3
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France
Prior art keywords
fabric
microfibrous
nonwoven
longitudinal
technique
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Granted
Application number
FR9009157A
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French (fr)
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FR2649932B3 (en
Inventor
Cesare Di Bucci
Giorgio Montanari
Carlo Borri
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Alcantara SpA
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Alcantara SpA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—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
    • D04H1/42—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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—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
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
    • 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
    • D04H13/00—Other non-woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0292—Polyurethane fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)

Abstract

This composite article endowed with improved mechanical properties, which is advantageous in the field of interior decoration and of transport, comprises an outer layer of a nonwoven microfibrous material and an inner fabric layer. The nonwoven microfibrous material is a material consisting of microfibres of a polyester such as poly(ethylene terephthalate) or a polyamide (nylon 6) in a polyurethane matrix. In a practical embodiment the nonwoven microfibrous material is perforated with holes of different shapes and is coupled with a dyed or printed fabric in order to impart special aesthetic effects to the finished articles.

Description

ARTICLE COMPOSITE COMPRENANT UNE COUCHE INTERIEURE DE
TISSU ET UNE COUCHE EXTERIEURE D'UN MATéRIAU MICRO
FIBREUX NON TISSE.COMPOSITE ARTICLE COMPRISING AN INTERNAL LAYER OF
FABRIC AND AN OUTER LAYER OF A MICRO MATERIAL
FIBROUS NON WOVEN.

La présente invention concerne un article composite comprenant une couche extérieure d'un matériau microfibreux, non tissé, avantageux dans le domaine de la décoration intérieure et des transports. The present invention relates to a composite article comprising an outer layer of a microfibrous material, nonwoven, advantageous in the field of interior decoration and transport.

Les matériaux microfibreux, non tissés, constitués d'une façon générale de microfibres de polyester ou de polyamide, par exemple de microfibres de Nylon-6, dans une matrice de polyuréthane, sont connus dans la technique. Microfibrous, nonwoven materials generally consisting of polyester or polyamide microfibers, for example, nylon-6 microfibers, in a polyurethane matrix, are known in the art.

Parmi ces matériaux, celui formé par des microfibres de poly (téréphthalate d'éthylène) dans une matrice de polyuréthane constituent un produit valable, largement utilisé, on particulier dans l'industrie de l'habillement, grâce à ses caractéristiques excellentes d'aspect, de "main", de légèreté de poids, de velouté, et à sa stabilité en présence de la lumière et des oxydes d'azote présents dans l'atmosphère.Among these materials, that formed by microfibers of poly (ethylene terephthalate) in a polyurethane matrix is a valuable product, widely used, particularly in the clothing industry, thanks to its excellent characteristics of appearance, of "hand", light weight, velvety, and its stability in the presence of light and nitrogen oxides present in the atmosphere.

Conformément à la présente invention, de tels matériaux microfibreux, non tissés, sont accouplés à un tissu pour donner des matériaux composites nouveaux qui, en raison de leur aspect esthétique extrêmement favorable combiné avec leurs bonnes propriétés mécaniques, trouvent une utilisation dans le domaine de la décoration intérieure et dans le domaine des transports. In accordance with the present invention, such microfibrous, nonwoven materials are coupled to a fabric to provide novel composite materials which, because of their extremely favorable aesthetic appearance combined with their good mechanical properties, find use in the field of interior decoration and in the field of transport.

Compte tenu de ce qui précède, la présente invention concerne un article composite comprenant une couche extérieure d'un tissu microfibreux, non tissé, et une couche intérieure de tissu. De façon avantageuse, on accouple ces couches au moyen de la technique d'accouplement "multi- points, ou au moyen de la technique d'accouplement à la flamme ou de la technique d'accouplement de films ou encore de la technique d'accouplement par "agent adhésif liquide". In view of the foregoing, the present invention relates to a composite article comprising an outer layer of a microfibrous, nonwoven fabric, and an inner layer of fabric. Advantageously, these layers are coupled by means of the multi-point coupling technique, or by means of the flame coupling technique or the film coupling technique or the coupling technique. by "liquid adhesive agent".

Dans un mode de réalisation pratique de la présente invention, le matériau microfibfeux, non tissé, perforé de trous de différentes formes, est accouplé à un tissu soit teint, soit imprimé, dé sorte que l'on obtient des articles qui, en plus de leur résistance mécanique, présentent des effets esthétiques particuliers. In a practical embodiment of the present invention, the nonwoven microfibers material is perforated with holes of different shapes, is coupled to a fabric either dyed or printed, so that articles are obtained which, in addition to their mechanical strength, have particular aesthetic effects.

Dans la présente invention, on entend par le mot "microfibres" des fibres qui ont un titre compris entre 0,01 deniers et 0,40 deniers et, de préférence, de l'ordre de 0,08 à 0,15 deniers. In the present invention, the term "microfibers" means fibers which have a titer of between 0.01 denier and 0.40 denier and, preferably, of the order of 0.08 to 0.15 denier.

Le matériau microfibreux, non tissé, formé par des microfibres de poly-(téréphthalate d'éthylène) dans du polyuréthane peut être obtenu au moyen d'un procédé comprenant, d'une façon générale, les étapes suivantes
- on imprègne avec un élastomère polyuréthane un
tissu non tissé formé de microfibres de poly(té
rephthalate d'éthylène)
- on fait coaguler ledit élastomère polyuréthane afin
de former une feuille composite microfibreuse
- on broie ladite feuille composite microfibreuse
pour former un tissu brut microfibreux non tissé
et
- on teint le tissu brut microfibreux non tissé pour
obtenir un produit final teint.The microfibrous, nonwoven material formed from poly (ethylene terephthalate) microfibers in polyurethane can be obtained by a process comprising, generally, the following steps:
- it impregnates with a polyurethane elastomer a
non-woven fabric formed of polyfoam microfibre
ethylene rephthalate)
said polyurethane elastomer is coagulated so as to
to form a microfibrous composite sheet
said microfibrous composite sheet is ground
to form a non-woven microfibrous raw fabric
and
the non-woven microfibrous raw material is dyed to
get a final product dyed.

Le tissu non tissé de microfibres de poly-(téréphthalate d éthylène) peut être obtenu à son tour à partir d'un feutre brut de fibres coupées constitué par des microfibres de poly-(téréphthalate d'éthylène) englobées dans une matrice de polystyrène, ledit feutre brut étant soumis à un aiguilletage afin que l'on obtienne un feutre aiguilleté, ce feutre aiguilleté étant traité tout d'abord à laide d'une solution aqueuse d'alcool polyvinylique puis avec du perchloroéthylène, de manière que la matrice de polystyrène soit dissoute et que le tissu non tissé de microfibres en poly (téréphthalate d'éthylène) soit récupéré. The nonwoven fabric of poly (ethylene terephthalate) microfibers can be obtained in turn from a raw fiber of cut fiber consisting of poly (ethylene terephthalate) microfibers embedded in a polystyrene matrix, said raw felt being subjected to needling to obtain a needle felt, said needled felt being first treated with an aqueous solution of polyvinyl alcohol and then with perchlorethylene, so that the polystyrene matrix dissolve and the nonwoven fabric of microfibres poly (ethylene terephthalate) is recovered.

Le matériau microfibreux, non tissé, obtenu de cette façon présente des caractéristiques excellentes en ce qui concerne son aspect, sa "main", sa légèreté de poids, son velouté, sa stabilité en présence de la lumière et des oxydes d'azote présents dans l'atmosphère.  The microfibrous, nonwoven material obtained in this way has excellent characteristics as regards its appearance, its "hand", its lightness of weight, its velvetyness, its stability in the presence of light and the nitrogen oxides present in the the atmosphere.

En particulier, un tel matériau non tissé, microfibreux, présente des caractéristiques se situant d'une façon générale dans les plages suivantes - épaisseur (ASTM D-1910) : de 0,5 à 0,8 mm - poids par unité de surface : de 150 à 250 g/m2 - ténacité (ASTM D-1682)
longitudinale : de 4,5 à 9,0 kg/cm
transversale : de 3,0 à 7,0 kg/cm - allongement (ASTM D-1682)
longitudinal : de 65 à 85 %
transversal : de 90 à 130 % - résistance à la déchirure
(ASTI D-1424)
longitudinale : de 0,6 à 1,6 kg
transversale : de 0,6 à 1,0 kg - résistance à l'abrasion
(ASTM D-1175) : de 7 000 à 25 000
cycles - perméabilité : de 1500 à 4000
litres/heure.In particular, such a microfibrous nonwoven material has characteristics generally in the following ranges - thickness (ASTM D-1910): from 0.5 to 0.8 mm - weight per unit area: from 150 to 250 g / m2 - toughness (ASTM D-1682)
longitudinal: from 4.5 to 9.0 kg / cm
transverse: 3.0 to 7.0 kg / cm - elongation (ASTM D-1682)
longitudinal: from 65 to 85%
transversal: from 90 to 130% - tear resistance
(ASTI D-1424)
longitudinal: from 0.6 to 1.6 kg
transversal: from 0.6 to 1.0 kg - abrasion resistance
(ASTM D-1175): from 7,000 to 25,000
cycles - permeability: from 1500 to 4000
liters / hour.

Selon la présente invention, un tel matériau microfibreux, non tissé, ou des matériaux similaires microfibreux, non tissés, éventuellement perforés est (sont) accouplé(s) afin que l'on obtienne de nouveaux articles qui combinent des propriétés esthétiques excellentes avec de bonnes caractéristiques mécaniques, de manière à convenir pour une utilisation dans le domaine de la décoration intérieure et des transports. According to the present invention, such a microfibrous, nonwoven material, or similar microfibrous, nonwoven, optionally perforated material is (are) coupled to produce new articles which combine excellent aesthetic properties with good mechanical characteristics, so as to be suitable for use in the field of interior decoration and transport.

Les tissus utilisés à cette fin sont des tissus tricotés, ou des tissus de diverses natures, par exemple en coton, en polyester, en Nylon, en viscose, etc, ou en fibres mélangées, de compositions choisies en fonction des propriétés finales recherchées. Les tissus peuvent être bruts ou teints ou imprimés. Les tissus teints ou imprimés, portant divers dessins ornementaux, associés au matériau microfibreux non tissé, donnent des articles finaux qui sont particulièrement attirants du point de vue esthétique. En outre, l'un et/ou l'autre des constituants de l'article composite peuvent posséder des caractéristiques ignifuges. The fabrics used for this purpose are knitted fabrics, or fabrics of various kinds, for example of cotton, polyester, nylon, viscose, etc., or of mixed fibers, of compositions chosen according to the desired final properties. Fabrics can be raw or dyed or printed. The dyed or printed fabrics, bearing various ornamental designs, associated with the nonwoven microfibrous material, give end articles that are particularly attractive from an aesthetic point of view. In addition, one and / or the other of the constituents of the composite article may have flame retardant characteristics.

Les articles composites selon la présente invention sont avantageux dans le domaine de la décoration intérieure et dans le domaine des transports, et peuvent être utilisés pour les canapés, pour les sièges de bureau, pour les sièges d'automobile, etc. The composite articles according to the present invention are advantageous in the field of interior decoration and in the field of transport, and can be used for sofas, for office seats, for automobile seats, etc.

Dans le cas d'un matériau non tissé, microfibreux et non perforé, on peut avantageusement procéder à son accouplement avec le tissu au moyen de la technique tsulti- points suivante. In the case of a non-woven, microfibrous and non-perforated material, it can advantageously be mated with the fabric by means of the following tsulti-dot technique.

Le tissu, sous la forme de bobines préalablement préparées, est avancé au moyen d'un dispositif de dévidage jusqu'à une machine du type Caratsch qui consiste en un cylindre creux gravé et chauffé, à l'intérieur duquel est envoyée la poudre de l'agent adhésif du type polyamide ou polyester. Grâce à l'effet du chauffage sous commande, le cylindre dépose, par contact, des "points" d'agent adhésif sur le tissu. Le tissu ainsi obtenu avec les points d'agent adhésif qui y sont déposés passe à travers un four à rayons infra-rouges à l'intérieur duquel les points de l'agent adhésif sont amenas à fondre, puis le tissu précité avec les points d'agent adhésif fondu est associé au matériau microfibreux, non tissé, par une opération d'accouplement sur une calandre munie de cylindres revêtus de caoutchouc et sous l'action d'une pression commandée. The fabric, in the form of reels previously prepared, is advanced by means of a feeding device to a machine of the Caratsch type which consists of an engraved hollow cylinder and heated, inside which is sent the powder of the adhesive agent of the polyamide or polyester type. Thanks to the effect of the heating under control, the cylinder deposits, by contact, "points" of adhesive agent on the fabric. The fabric thus obtained with the adhesive agent spots which are deposited passes through an infrared ray oven inside which the points of the adhesive agent are able to melt, then the above-mentioned fabric with the dots. The molten adhesive agent is associated with the microfibrous, nonwoven material by a coupling operation on a calender provided with rubber-coated rolls and under the action of a controlled pressure.

Quand on utilise un matériau microfibreux, non tissé, perforé, on applique l'agent adhésif audit matériau plutôt qu'au tissu. Plus particulièrement, un tel matériau perforé est avancé sur une courroie de transporteur constituée par une courroie analogue à un filet, jusqu'à un distributeur de type "tamis" qui permet de répartir de façon uniforme la poudre d'agent adhésif tandis que la partie de la poudre qui tombe à l'intérieur de l'ouverture du trou traverse le filet qui constitue la courroie du transporteur et est recueillie dans la région sous-jacente. Le matériau microfibreux, se trouvant encore sur la courroie du transporteur, est ensuite avancé jusqu'à un four se trouvant à une température réglée avec soin, afin que l'agent adhésif fonde. When using a microfibrous, nonwoven, perforated material, the adhesive agent is applied to said material rather than to the fabric. More particularly, such a perforated material is advanced on a conveyor belt constituted by a net-like belt, to a "sieve" type dispenser which makes it possible to evenly distribute the adhesive agent powder while the part powder falling inside the opening of the hole passes through the net which forms the belt of the conveyor and is collected in the underlying region. The microfibrous material, still on the conveyor belt, is then advanced to an oven at a carefully adjusted temperature so that the adhesive agent melts.

L'association avec le tissu est effectuée au moyen d'un calandrage sur le matériau microfibreux non tissé dès que celui-ci quitte le four.The association with the fabric is effected by means of calendering on the nonwoven microfibrous material as soon as it leaves the oven.

On peut perforer le matériau microfibreux non tissé au moyen de presses munies de poinçons montés sur une plaque. The nonwoven microfibrous material can be perforated by means of presses provided with punches mounted on a plate.

Les "copeaux" sont expulsés à l'aide d'un jet d'air.The "chips" are expelled with an air jet.

On va encore décrire la présente invention au moyen des exemples expérimentaux suivants. The present invention will be further described by way of the following experimental examples.

Exemple 1
On utilise le matériau microfibreux non tissé, qui est vendu sur le marché sous la marque déposée de MASTER par la compagnie ALCANTARA, et possède les caractéristiques suivantes - épaisseur : 0,80 mm - poids par unité de surface : 230 g/m2 - ténacité
longitudinale : 8,6 kg/cm
transversale 1 5,8 kg/cm - allongement
longitudinal : 81 %
transversal : 126,9 % - résistance la déchirure
longitudinale : 1,52 kg
transversal : 0,78 kg - retrait
longitudinal : 1,8 % (à 400C)
transversal : 0,7 % (à 400C) - résistance à 1'abrasion : 19 800 cycles - perméabilité : 1700 litres/heure. Example 1
The non-woven microfibrous material, which is sold on the market under the trademark MASTER by the company ALCANTARA, is used and has the following characteristics: - thickness: 0.80 mm - weight per unit area: 230 g / m2 - toughness
longitudinal: 8.6 kg / cm
transversal 1 5,8 kg / cm - lengthening
longitudinal: 81%
transversal: 126.9% - tear resistance
longitudinal: 1.52 kg
transversal: 0.78 kg - withdrawal
longitudinal: 1.8% (at 400C)
transversal: 0.7% (at 400 ° C.) - abrasion resistance: 19,800 cycles - permeability: 1700 liters / hour.

Un tel matériau microfibreux, non tissé, est associé à un tissu de coton présentant les caractéristiques suivantes - épaisseur : 0,40 mm - poids par unité de surface : 166 g/m2 - résistance à la traction
longitudinale : > 159 N transversale : : > 182 N - allongement jusqu'à rupture
longitudinal : 15 %
transversal : 14 % - résistance à la déchirure
longitudinale : > 9,5 N
transversale : > 14,2 N
On effectue l'accouplement du matériau et du tissu au moyen de la technique multipoints décrite dans cet exposé et on obtient un article composite qui possède les caractéristiques suivantes - poids par unité de surface : 435 g/m2 - résistance à la traction
longitudinale : > 210 N
transversale : > 213 N - allongement
longitudinal : 2,8 %
transversal : 3,3 % - résistance des points de soudure
longitudinale : > 50 N
transversale : > 50 N - résistance à l'éclatement : > 77 N - résistance à la déchirure à l'état sec
longitudinale : > 14,8 N
transversale : > 14,5 N - abrasion (perte de poids) : 0,14 %, positive - cohésion
longitudinale : > 2,9 N
transversale : > 2,9 N
Le produit composite ainsi obtenu, en plus de son très bon aspect, présente des caractéristiques mécaniques qui rendent son utilisation dans les véhicules et dans les moyens de transport en général particulièrement avantageuse.Such a microfibrous material, non-woven, is associated with a cotton fabric having the following characteristics - thickness: 0.40 mm - weight per unit area: 166 g / m2 - tensile strength
longitudinal:> 159 N transverse:> 182 N - elongation to rupture
longitudinal: 15%
transversal: 14% - tear resistance
longitudinal:> 9.5 N
cross-sectional area:> 14.2 N
The coupling of the material and the fabric is carried out using the multipoint technique described in this specification and a composite article is obtained which has the following characteristics - weight per unit area: 435 g / m 2 - tensile strength
longitudinal:> 210 N
cross-section:> 213 N - lengthening
longitudinal: 2.8%
transversal: 3.3% - resistance of welding points
longitudinal:> 50 N
cross-section:> 50 N - burst strength:> 77 N - tear strength in the dry state
longitudinal:> 14.8 N
transversal:> 14.5 N - abrasion (weight loss): 0.14%, positive - cohesion
longitudinal:> 2.9 N
cross-sectional area:> 2.9 N
The composite product thus obtained, in addition to its very good appearance, has mechanical characteristics that make its use in vehicles and in transport means in general particularly advantageous.

Exemple 2
Le matériau microfibreux, non tissé, décrit dans l'Exemple 1, est accouplé au moyen de la technique multipoints à un tissu en coton-polyester présentant les caractéristiques suivantes - épaisseur : 0,41 mm - poids par unité de surface : 158 g/m2 - retrait
longitudinal : 3,4 %
transversal : 1,0 % - ténacité
longitudinale : 15,4 kg/cm
transversale : 16,1 kg/cm - allongement jusqu'à rupture
longitudinal : 19 %
transversal : 22 % - résistance à la déchirure
longitudinale : 4,3 kg
transversale s 5,5 kg
L'article composite ainsi obtenu présente les caractéristiques suivantes - épaisseur : 1,07 mm - poids par unité de surface : 398 g/m2 - ténacité
longitudinale : 18,9 kg/cm
transversale : 16,9 kg/cm - allongement
longitudinal : 19 %
transversal : 26 % - résistance à la déchirure
longitudinale : 4,9 kg
transversale : 5,0 kg - retrait
longitudinal : 2,1 %
transversal : 0,9 % - abrasion : 3000-5000 cycles - cohésion
longitudinale : 1,15 kg
transversale : 1,03 kg - résistance à l'éclatement : > 50 kg - résistance des points de soudure
longitudinale : > 50 kg
transversale : > 50 kg
Cet article composite, en plus de son aspect extrêmement favorable, possède des caractéristiques mécaniques qui rendent son utilisation dans le domaine de la décoration intérieure particulièrement utile.Example 2
The microfibrous, nonwoven material described in Example 1 is coupled by means of the multipoint technique to a cotton-polyester fabric having the following characteristics: - thickness: 0.41 mm - weight per unit area: 158 g / m2 - withdrawal
longitudinal: 3.4%
transversal: 1.0% - tenacity
longitudinal: 15.4 kg / cm
transversal: 16.1 kg / cm - elongation to rupture
longitudinal: 19%
transversal: 22% - tear resistance
longitudinal: 4.3 kg
cross section s 5.5 kg
The composite article thus obtained has the following characteristics - thickness: 1.07 mm - weight per unit area: 398 g / m2 - toughness
longitudinal: 18.9 kg / cm
transversal: 16,9 kg / cm - lengthening
longitudinal: 19%
transversal: 26% - tear resistance
longitudinal: 4.9 kg
transversal: 5.0 kg - withdrawal
longitudinal: 2.1%
transversal: 0.9% - abrasion: 3000-5000 cycles - cohesion
longitudinal: 1.15 kg
cross section: 1.03 kg - burst strength:> 50 kg - resistance of welding points
longitudinal:> 50 kg
transversal:> 50 kg
This composite article, in addition to its extremely favorable appearance, has mechanical characteristics that make its use in the field of interior decoration particularly useful.

ExemPle 3
Le tissu microfibreux, non tissé, de l Exemple 1, est perforé et est accouplé à un tissu teint ou imprimé présentant les caractérisiques suivantes - épaisseur : 1,05 mm - poids par unité de surface : 397 g/m2 - ténacité
longitudinale : 21,4 kg/cm
transversale : 17,4 kg/cm - allongement
longitudinal : 19,0 %
transversal : 24,0 % - résistance à la déchirure
longitudinale : 5,0 kg
transversal : 5,0 kg - retrait
longitudinal : 1,2 %
transversal : 0,3 % - abrasion : > 3000 cycles - cohésion
longitudinale : 0,9 kg
transversale : 0,8 kg - résistance à l'éclatement : > 50 kg - résistance des points de soudure
longitudinale : > 50 kg
transversale : > 50 kg
L'accouplement est effectué au moyen d'un agent adhésif déposé à l'aide d'un tamis, comme on l'a expliqué et, en particulier, on prépare les matériaux composites suivants
- un matériau microfibreux, non tissé, pourvu de
trous carrés, accouplé à des tissus imprimés de
façon différente ;
- un matériau microfibreux, non tissé, pourvu de
trous ronds, accouplé à un tissu ayant une couleur
de fond unie ;
- un matériau microfibreux, non tissé, pourvu de
trous du type dit "Luna-park" ("parc d'attrac
tion"), accouplé à un tissu imprimé ; et
- un matériau microfibreux, non tissé, pourvu de
trous du type dit "confettis" accouplé à un tissu
imprimé.EXAMPLE 3
The microfibrous, nonwoven fabric of Example 1 is perforated and is coupled to a dyed or printed fabric having the following characteristics: - Thickness: 1.05 mm - Weight per unit area: 397 g / m2 - Toughness
longitudinal: 21.4 kg / cm
transversal: 17.4 kg / cm - lengthening
longitudinal: 19.0%
transversal: 24.0% - tear resistance
longitudinal: 5.0 kg
transversal: 5.0 kg - withdrawal
longitudinal: 1.2%
transversal: 0.3% - abrasion:> 3000 cycles - cohesion
longitudinal: 0.9 kg
cross section: 0,8 kg - burst strength:> 50 kg - resistance of welding points
longitudinal:> 50 kg
transversal:> 50 kg
The coupling is effected by means of a sieve-deposited adhesive agent as explained and, in particular, the following composite materials are prepared.
- a microfibrous material, non-woven, provided with
square holes, coupled to printed fabrics of
different way;
- a microfibrous material, non-woven, provided with
round holes, coupled to a fabric having a color
solid bottom;
- a microfibrous material, non-woven, provided with
holes of the type called "Luna-park"("park attrac
"), coupled to a printed fabric, and
- a microfibrous material, non-woven, provided with
holes of the type called "confetti" coupled to a fabric
printed.

- Tous ces matériaux composites, en plus d'avoir un aspect extrêmement esthétique, présentent des caractéristi ques mécaniques qui rendent leur utilisation dans le domaine de la décoration intérieure particulièrement avantageuse.  - All these composite materials, in addition to having an extremely aesthetic appearance, have mechanical characteristics that make their use in the field of interior decoration particularly advantageous.

Claims (5)

REVENDICATIONS 1. Article composite, doté de propriétés mécaniques améliorées, avantageux dans le domaine de la décoration intérieure et dans le domaine des transports, caractérisé en ce qu'il comprend une couche intérieure de tissu et une couche extérieure d'un matériau microfibreux, non tissé. 1. Composite article, with improved mechanical properties, advantageous in the field of interior decoration and in the field of transport, characterized in that it comprises an inner layer of fabric and an outer layer of a microfibrous material, nonwoven . 2. Matériau composé selon la revendication 1, caractérisé en ce que le matériau qui constitue la couche microfibreuse, non tissée, est un matériau formé de microfibres de polyester, en particulier de microfibres de poly (téréphthalate d'éthylène), ou d'un polyamide, en particulier le Nylon-6, ou de microfibres de polyamide, en particulier de 2. Compound material according to claim 1, characterized in that the material which constitutes the microfibrous layer, nonwoven, is a material formed of polyester microfibres, in particular of polyethylene terephthalate microfibers, or of a polyamide, in particular Nylon-6, or polyamide microfibers, in particular Nylon 6 dans une matrice de polyuréthane.Nylon 6 in a polyurethane matrix. 3. Article selon la revendication 1 ou 2, caractérisé en ce que le tissu microfibreux, non tissé, est perforé et que le tissu est un tissu tricoté ou un tissu brut, soit teint, soit imprimé, en coton, en polyester, en Nylon, en viscose, ou en fibres mélangées. 3. Article according to claim 1 or 2, characterized in that the microfibrous non-woven fabric is perforated and that the fabric is a knitted fabric or a raw fabric, is dyed or printed, cotton, polyester, nylon , in viscose, or in mixed fibers. 4. Article selon l'une quelconque des revendications précédentes, caractérisé en ce que le et/ou les composant(s) présent(ent) des propriétés ignifuges. 4. Article according to any one of the preceding claims, characterized in that the and / or component (s) present (ent) flame retardant properties. 5. Article selon l'une quelconque des revendications précédentes, caractérisé en ce que les couches sont accouplées à l'aide de la technique d'accouplement multi- points" ou à l'aide de la technique d'accouplement à la flamme ou de la technique d'accouplement de films ou encore de la technique d'accouplement par "agent adhésif liquide".  5. Article according to any one of the preceding claims, characterized in that the layers are coupled using the multi-point coupling technique "or by means of the technique of coupling to the flame or of the technique of coupling films or the technique of coupling by "liquid adhesive agent".
FR909009157A 1989-07-19 1990-07-18 COMPOSITE ARTICLE COMPRISING AN INNER FABRIC LAYER AND AN OUTER LAYER OF A NONWOVEN MICROFIBROUS MATERIAL Expired - Lifetime FR2649932B3 (en)

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IT8921457U IT216762Z2 (en) 1989-07-19 1989-07-19 COUPLED ITEM, CONTAINING A LAYER OF NON-WOVEN MICROFIBROUS MATERIAL, USEFUL IN THE FURNITURE AND TRANSPORT SECTOR.

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FR2649932B3 FR2649932B3 (en) 1991-06-21

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FR (1) FR2649932B3 (en)
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IT8921457V0 (en) 1989-07-19
DE9010789U1 (en) 1990-10-11
GB2235652A (en) 1991-03-13
GB9015584D0 (en) 1990-09-05
GB2235652B (en) 1993-01-27
FR2649932B3 (en) 1991-06-21
IT216762Z2 (en) 1991-10-03

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