EP0797932B1 - Method to make a fusible interlining - Google Patents

Method to make a fusible interlining Download PDF

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Publication number
EP0797932B1
EP0797932B1 EP97400402A EP97400402A EP0797932B1 EP 0797932 B1 EP0797932 B1 EP 0797932B1 EP 97400402 A EP97400402 A EP 97400402A EP 97400402 A EP97400402 A EP 97400402A EP 0797932 B1 EP0797932 B1 EP 0797932B1
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EP
European Patent Office
Prior art keywords
layer
screen printer
points
process according
transfer roller
Prior art date
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Expired - Lifetime
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EP97400402A
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German (de)
French (fr)
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EP0797932A1 (en
Inventor
Pierrot Groshens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lainiere de Picardie SA
Lainiere de Picardie BC SAS
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Lainiere de Picardie SA
Lainiere de Picardie BC SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/02—Linings
    • A41D27/06—Stiffening-pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work

Definitions

  • the invention relates to a method of manufacturing a fusible interfacing.
  • linings are specifically intended to be laminated to another textile, for example a drapery, so as to constitute a complex whose physical properties, behavior, nervousness, flexibility, touch, volume, hand, ... can be controlled.
  • thermo-adhesive layer These properties of the complex result from the nature of the drapery, the nature of the textile support, and also, the nature of the composition and the method of application of the thermo-adhesive layer.
  • the fusible interfacing After being made, the fusible interfacing must be able to withstand storage at room temperature. It is then necessary that the different layers of this product, usually stored in rolls, does not adhere to each other. Iron-on interfacing should not have a tacky effect and adhesive properties to room temperature (“tack").
  • the fusible interfacing is later laminated on the draperies so as to obtain the complex sought.
  • this lamination is carried out at using a press operating at temperatures between 100 ° C and 180 ° C, under pressures of a few decibars at a few bars, for a while relatively short, on the order of 10 to 30 seconds.
  • thermo-adhesive polymers of the stabilizer must at least partially regain their adhesion properties.
  • thermo-adhesive polymers prevent these thermo-adhesive polymers from piercing the drapery or do produce returns, i.e. pierce the textile support of the interlining.
  • Document FR-A-2 177 038 thus proposed to interlining by successively depositing two adhesive layers on a textile support.
  • the first one layer is applied by coating with a dispersion viscous (paste) containing high viscosity polymers and / or high melting point directly on the support textile by means of a screen printing frame.
  • paste dispersion viscous
  • the second layer is applied by dusting a powder of fusible polymers of viscosity and / or melting points lower than those of the first layer.
  • thermo-adhesive material dispersed as a fine powder over the coated textile support is deposited by gravity on the whole of the support, but adheres more firmly to the dough point.
  • thermo-adhesive layer having a higher melting point than those of the thermo-adhesive layer thus form a screen; the adhesive does not flow theoretically not through the textile support when the interlining is then laminated to a drapery.
  • the points of the underlay being spherical or ellipsoidal shape
  • the material particles thermo-adhesive stick on the whole surface of the point of dough, especially at the point of contact between the dough point and the textile support; with the consequence that the thermo-adhesive material present at the point of contact through the textile support without the underlay being able to screen when laminating, crossings then appearing.
  • the underlay penetrates more or less in the textile support during coating, due to its irregular surface.
  • the adhesive surface of the underlay is thus variable, and therefore, the amount of particles also, with harmful consequences on the adhesion forces between the interlining and the drapery, and particularly on the inhomogeneity of these forces of membership.
  • top layer of adhesive must adhere to the bottom layer. This is why, according to this process, most often a sintering is carried out which allows the top layer to adhere to the bottom layer.
  • the state of the art can also be represented by document FR-A-2 576 191 which describes a interlining comprising a first hot-melt layer applied to the front side of a support and a second layer with a higher melting temperature than the first and applied to the back side of said support.
  • a first object of the present invention is to propose a process for manufacturing a stabilizer which fuses the limitations or disadvantages of those known to the state of technical.
  • an object of this invention is to provide such a method by which the thermo-adhesive material does not flow through the support textile when laminating the interlining on the drapery.
  • the textile thus coated is subjected to radiation electromagnetic, and / or electronic bombardment, and / or heat treatment.
  • the invention also relates to a fusible interlining characterized in that it is obtained by implementing a process in accordance with present invention.
  • FIG. 1 is a schematic view of a device illustrating the manufacturing process of a stabilizer fusible according to the invention.
  • the fusible interlining 1 includes a textile support 2 coated on each of its faces 3, 4 of a layer 5, 7 of hot-melt polymers.
  • the textile support 2 is in itself known. It is of the same nature as those conventionally used in the area of interlining.
  • It can be a woven or knitted fabric or of a nonwoven. Most often these textiles are processed and then subjected to finishing operations before to be used as a coating support.
  • the textile support 2 has a first layer 5 hot-melt applied to the front side 3 of the support textile 2 and a second layer 7 applied to the face back 4 of the textile backing 2.
  • the first layer 5 is hot melt while the second layer 7 has a melting temperature higher than the first 5.
  • hot melt means a layer that allows the hot lamination, which is solid at temperature ambient and has no adhesive power, but which is plastic at high temperature therefore partially pasty, flowing but adhesive. So the first layer 5 has thermoplastic creep superior to creep second layer thermoplastic 7.
  • the fusible interlining 1 is like the second layer 7 constitutes a barrier or a screen vis-à-vis the first layer 5, i.e. prevents the phenomenon of return as defined above.
  • the interlining manufacturing process fusible 1 is such that it is deposited simultaneously on each side 3, 4 of the textile support 2 a layer 5, 7 of hot melt polymers.
  • the first layer 5 hot-melt is placed directly on the front side 3 of the textile support 2 while the second layer 7 is deposited by transfer on the back side 4 of the support textile 2.
  • the deposits of the first hot-melt layer 5 and of the second layer 7 are made by means of the frames serigraphic 9 and 10 respectively.
  • These rotating frames 9 and 10 in themselves known, cooperate respectively with a doctor blade 9a, 10a on the one hand and on the other hand, both with the transfer cylinder 11.
  • the transfer cylinder 11 serves as a counter cylinder for the first screen printing frame 9, while the latter serves as a counter-cylinder for the transfer cylinder 11.
  • the first screen frame 9, the second screen frame 10 and the transfer cylinder 11 are superimposed, their axes of rotation being in a same plane and perpendicular to the direction of travel of the textile support 2.
  • the screen printing frames 9, 10 allow the setting implementing wet coating processes in which very fine polymer powders, in dispersion aqueous, are applied respectively to the support textile 2 and the transfer cylinder 11 by a doctor blade 9a, 10a hollow installed inside the rotary cylinder which has a thin perforated wall.
  • the doctor blades 9a, 10a produce the passage of the dough respectively constituting the layers 5 and 7 through the perforations of the frames screen prints 9 and 10.
  • first 9 and second 10 serigraphic frames have the same diameter and have the same reticular network of perforations.
  • the composition of the first layer 5 hot-melt, deposited on the front side 3 of the support textile 2 is based on at least one polymer or at least a thermoplastic copolymer, for example, a polyethylene, a copolyethylene, a polyamide, a polyester, a copolyester in the form of a dispersion / solution of these compounds. It can also be a mixture of these compounds.
  • composition of the second layer 7, deposited on the reverse side 4 of the textile support 2 is variable according to applications. It can for example include a non-stick which can be a silicone product.
  • the second layer 7 comprises polymers crosslinkable or not, and the melting point of which is superior to that of polymers in the hot-melt layer 5.
  • materials are used finely ground with a melting point above that of the material used for the first layer 5, such than polyethylenes.
  • reactive materials chosen so that their are also superior to those of the material used for the first layer 5. So the mixtures aminoplasts, acrylic resins, aminoplasts and polyurethanes, epoxy and acrylic-urethanes particularly suitable.
  • This paste is then deposited on the cylinder of transfer 11 by the second screen printing frame 10 and by means 11 'then undergoes transformations aimed at evaporate the solvent in whole or in part, and / or to react the polymers thereof and / or to melt the finely ground polymer particles.
  • the next step is to transfer the network from points 8 of the second layer 7 on the reverse side 4 of the textile support 2.
  • the support textile 2 is pressed between the transfer cylinder 11 and the first screen printing frame 9.
  • the first screen printing frame 9 and the transfer cylinder 11 are tangent at a point 13, the textile support 2 scrolling between the first frame screen printing 9 and the transfer cylinder 11 being also tangent to each of these at point 13.
  • the perforations of the first screen printing frame 9 correspond with the points 8 of the second layer 7 at less at the point of tangency or contact 13 of the support textile 2 with the first screen printing frame 9 and the transfer cylinder 11.
  • the points 8 of the second layer 7 as well transferred have a flat surface and a small thickness and are arranged on the surface of the textile support 2.
  • the deposition of the second layer 7 on the cylinder of transfer 11 by the second screen printing frame 10 is done therefore prior to the deposition of the first layer 5 directly on the front side 3 of the textile support 2 by the first screen frame 9.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Details Of Garments (AREA)
  • Laminated Bodies (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Printing Methods (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

L'invention concerne un procédé de fabrication d'un entoilage thermocollant.The invention relates to a method of manufacturing a fusible interfacing.

Il est connu de réaliser des entoilages thermocollants comprenant un support textile sur lequel est déposée, par enduction, une couche de polymères thermo-adhésifs répartie en points.It is known to make interlining fusible including a textile support on which is deposited, by coating, a layer of thermo-adhesive polymers distributed in points.

Ces entoilages sont spécifiquement destinés à être contrecollés sur un autre textile, par exemple une draperie, de manière à constituer un complexe dont les propriétés physiques, tenue, nervosité, souplesse, toucher, volume, main, ... peuvent être maítrisées.These linings are specifically intended to be laminated to another textile, for example a drapery, so as to constitute a complex whose physical properties, behavior, nervousness, flexibility, touch, volume, hand, ... can be controlled.

Ces propriétés du complexe résultent de la nature de la draperie, de la nature du support textile, et aussi, de la nature de la composition et du mode d'application de la couche thermo-adhésive.These properties of the complex result from the nature of the drapery, the nature of the textile support, and also, the nature of the composition and the method of application of the thermo-adhesive layer.

Après avoir été fabriqué, l'entoilage thermocollant doit pouvoir supporter un stockage à température ambiante. Il est alors nécessaire que les différentes couches de ce produit, généralement stocké en rouleaux, n'adhèrent pas les unes aux autres. L'entoilage thermocollant ne doit pas présenter un effet poisseux et des propriétés adhésives à température ambiante("tack").After being made, the fusible interfacing must be able to withstand storage at room temperature. It is then necessary that the different layers of this product, usually stored in rolls, does not adhere to each other. Iron-on interfacing should not have a tacky effect and adhesive properties to room temperature ("tack").

L'entoilage thermocollant est ultérieurement contrecollé sur les draperies de manière à obtenir le complexe recherché. The fusible interfacing is later laminated on the draperies so as to obtain the complex sought.

Le plus souvent, ce contrecollage est réalisé à l'aide d'une presse fonctionnant à des températures comprises entre 100°C et 180°C, sous des pressions de quelques décibars à quelques bars, pendant des temps relativement courts, de l'ordre de 10 à 30 secondes.Most often, this lamination is carried out at using a press operating at temperatures between 100 ° C and 180 ° C, under pressures of a few decibars at a few bars, for a while relatively short, on the order of 10 to 30 seconds.

Au cours de cette phase, les polymères thermo-adhésifs de l'entoilage doivent au moins partiellement retrouver leurs propriétés d'adhésion.During this phase, the thermo-adhesive polymers of the stabilizer must at least partially regain their adhesion properties.

Egalement au cours de cette opération, il faut éviter que ces polymères thermo-adhésifs ne transpercent la draperie ou ne produisent des retours, c'est-à-dire transpercent le support textile de l'entoilage.Also during this operation, prevent these thermo-adhesive polymers from piercing the drapery or do produce returns, i.e. pierce the textile support of the interlining.

En effet, de tels transpercements et retours produiraient un effet inesthétique, rendant l'entoilage impropre à l'utilisation ou, pour le moins, donneraient au complexe des propriétés néfastes contraires à celles recherchées.Indeed, such piercings and returns would produce an unsightly effect, making the interfacing unfit for use or, at the very least, would give the complex of harmful properties contrary to those wanted.

Ces transpercements et retours ont essentiellement pour conséquence de coller entre elles les fibres du support textile, aboutissant à un complexe dont la souplesse est médiocre. Cette dernière est en effet due en partie aux articulations possibles du complexe, et donc à la possibilité des fibres textiles de pouvoir glisser les unes sur les autres.These piercings and returns have essentially consequence of sticking together the fibers of the textile support, resulting in a complex whose flexibility is poor. The latter is in fact due in part to the possible joints of the complex, and therefore to the possibility of textile fibers to be able to slip on top of each other.

Dès l'origine de l'utilisation de l'entoilage thermocollant, les phénomènes de traversée et retour ont été constatés et de nombreuses tentatives ont été faites depuis pour éviter ces défauts. From the origin of the use of interlining iron-on and return phenomena have been found and many attempts have been made since to avoid these faults.

Ainsi, le document FR-A-2 177 038 a proposé de réaliser un entoilage en déposant successivement deux couches adhésives sur un support textile. La première couche est appliquée par enduction d'une dispersion visqueuse (pâte) contenant des polymères à haute viscosité et/ou à haut point de fusion directement sur le support textile au moyen d'un cadre sérigraphique.Document FR-A-2 177 038 thus proposed to interlining by successively depositing two adhesive layers on a textile support. The first one layer is applied by coating with a dispersion viscous (paste) containing high viscosity polymers and / or high melting point directly on the support textile by means of a screen printing frame.

La deuxième couche est appliquée par saupoudrage d'une poudre de polymères thermocollants de viscosité et/ou de point de fusion inférieurs à ceux de la première couche.The second layer is applied by dusting a powder of fusible polymers of viscosity and / or melting points lower than those of the first layer.

Les points de la première couche, du fait de la nature et de la composition des composés la constituant, ont leur surface adhésive. Ainsi, le matériau thermo-adhésif dispersé sous forme de poudre fine au-dessus du support textile enduit se dépose par gravité sur l'ensemble du support, mais adhère plus solidement au point de pâte.The points of the first layer, due to the nature and composition of the constituent compounds, have their adhesive surface. So the thermo-adhesive material dispersed as a fine powder over the coated textile support is deposited by gravity on the whole of the support, but adheres more firmly to the dough point.

Les matériaux utilisés pour la sous-couche ayant un point de fusion supérieur à ceux de la couche thermo-adhésive forment ainsi un écran ; l'adhésif ne flue théoriquement pas à travers le support textile lorsque l'entoilage est ensuite contrecollé à une draperie.The materials used for the underlay having a higher melting point than those of the thermo-adhesive layer thus form a screen; the adhesive does not flow theoretically not through the textile support when the interlining is then laminated to a drapery.

Toutefois, les points de la sous-couche étant de forme sphérique ou ellipsoïdale, les particules de matériau thermo-adhésif se collent sur toute la surface du point de pâte, notamment au point de contact entre le point de pâte et le support textile ; avec pour conséquence que le matériau thermo-adhésif présent au point de contact flue à travers le support textile sans que la sous-couche puisse faire écran lors du contrecollage, des traversées apparaissant alors. However, the points of the underlay being spherical or ellipsoidal shape, the material particles thermo-adhesive stick on the whole surface of the point of dough, especially at the point of contact between the dough point and the textile support; with the consequence that the thermo-adhesive material present at the point of contact through the textile support without the underlay being able to screen when laminating, crossings then appearing.

D'autre part, la sous-couche pénètre plus ou moins dans le support textile lors de l'enduction, du fait de sa surface irrégulière. La surface adhésive de la sous-couche est ainsi variable, et par conséquent, la quantité de particules également, avec des conséquences néfastes sur les forces d'adhésion entre l'entoilage et la draperie, et particulièrement sur l'inhomogénéité de ces forces d'adhésion.On the other hand, the underlay penetrates more or less in the textile support during coating, due to its irregular surface. The adhesive surface of the underlay is thus variable, and therefore, the amount of particles also, with harmful consequences on the adhesion forces between the interlining and the drapery, and particularly on the inhomogeneity of these forces of membership.

En outre, selon le procédé décrit dans le document FR-A-2 177 038, on utilise un cylindre d'enduction semblable à ceux utilisés pour l'héliographie. Mais les quantités de poudre déposées dans les cavités du cylindre sont donc peu précises. Ainsi, les couches obtenues ne sont pas uniformes.In addition, according to the method described in the document FR-A-2 177 038, a coating cylinder is used similar to those used for heliography. But the quantities of powder deposited in the cylinder cavities are therefore imprecise. Thus, the layers obtained are not not uniform.

De plus, la couche supérieur d'adhésif doit adhérer à la couche inférieure. C'est pourquoi, selon ce procédé, on effectue le plus souvent un frittage qui permet à la couche supérieure d'adhérer à la couche inférieure.In addition, the top layer of adhesive must adhere to the bottom layer. This is why, according to this process, most often a sintering is carried out which allows the top layer to adhere to the bottom layer.

Par ailleurs, dans un tel procédé, les constitutions chimiques de la sous-couche et de la couche supérieure doivent être compatibles.Furthermore, in such a process, the chemical constitutions of the sublayer and the layer must be compatible.

L'état de la technique peut être également représenté par le document FR-A-2 576 191 qui décrit un entoilage comportant une première couche thermofusible appliquée sur la face recto d'un support et une seconde couche dont la température de fusion est plus élevée que la première et appliquée sur la face verso dudit support.The state of the art can also be represented by document FR-A-2 576 191 which describes a interlining comprising a first hot-melt layer applied to the front side of a support and a second layer with a higher melting temperature than the first and applied to the back side of said support.

Un premier objet de la présente invention est de proposer un procédé de fabrication d'un entoilage thermocollant qui pallie les limites ou les inconvénients de ceux connus de l'état de la technique.A first object of the present invention is to propose a process for manufacturing a stabilizer which fuses the limitations or disadvantages of those known to the state of technical.

Plus particulièrement, un objet de la présente invention est de proposer un tel procédé grâce auquel la matière thermo-adhésive ne flue pas à travers le support textile lors du contrecollage de l'entoilage sur la draperie.More specifically, an object of this invention is to provide such a method by which the thermo-adhesive material does not flow through the support textile when laminating the interlining on the drapery.

A cet effet, l'invention concerne un procédé de fabrication d'un entoilage thermocollant comportant un support textile, une première couche thermofusible appliquée sur l'une de ses faces dite face recto et une seconde couche, dont la température de fusion est supérieure à la première, appliquée sur la face verso du support textile, caractérisé en ce que :

  • on dépose, au moyen d'un premier cadre sérigraphique, la première couche répartie en points sur la face recto du support textile ;
  • on dépose, au moyen d'un second cadre sérigraphique, la seconde couche répartie en points sur un cylindre de transfert comportant une surface régulière et lisse ;
  • on transfert les points de surface plane et de faible épaisseur ainsi obtenus sur la face verso du support textile, le dépôt de la première couche et le transfert de la seconde couche ayant lieu simultanément de manière que les points des couches soient situés en regard les uns des autres en coupe transversale.
To this end, the invention relates to a process for manufacturing a fusible interlining comprising a textile support, a first hot-melt layer applied to one of its faces, called the front side, and a second layer, the melting temperature of which is higher than the first, applied to the back side of the textile support, characterized in that:
  • the first layer distributed in points on the front face of the textile support is deposited, by means of a first screen printing frame;
  • the second layer, distributed in points, is deposited, by means of a second screen-printing frame, on a transfer cylinder comprising a regular and smooth surface;
  • the points of planar surface and of thin thickness thus obtained are transferred to the reverse side of the textile support, the deposition of the first layer and the transfer of the second layer taking place simultaneously so that the points of the layers are located opposite each other others in cross section.

On soumet le textile ainsi enduit à un rayonnement électromagnétique, et/ou à un bombardement électronique, et/ou à un traitement thermique.The textile thus coated is subjected to radiation electromagnetic, and / or electronic bombardment, and / or heat treatment.

Selon un autre aspect, l'invention concerne encore un entoilage thermocollant caractérisé en ce qu'il est obtenu par la mise en oeuvre d'un procédé conforme à la présente invention.According to another aspect, the invention also relates to a fusible interlining characterized in that it is obtained by implementing a process in accordance with present invention.

D'autres caractéristiques et avantages de la présente invention apparaítront clairement à la lecture de la description qui suit faite en référence à la figure unique annexée qui est une vue schématique d'un dispositif illustrant le procédé de fabrication d'un entoilage thermocollant selon l'invention.Other features and advantages of the present invention will become clear on reading the following description made with reference to the figure single appended which is a schematic view of a device illustrating the manufacturing process of a stabilizer fusible according to the invention.

L'entoilage thermocollant 1 selon l'invention comprend un support textile 2 enduit sur chacune de ses faces 3, 4 d'une couche 5, 7 de polymères thermofusibles.The fusible interlining 1 according to the invention includes a textile support 2 coated on each of its faces 3, 4 of a layer 5, 7 of hot-melt polymers.

Le support textile 2 est en lui-même connu. Il est de même nature que ceux conventionnellement mis en oeuvre dans le domaine de l'entoilage.The textile support 2 is in itself known. It is of the same nature as those conventionally used in the area of interlining.

Il peut s'agir d'un textile tissé ou tricoté ou d'un non-tissé. Le plus souvent, ces textiles sont transformés puis soumis à des opérations de finissage avant d'être utilisés comme support d'enduction.It can be a woven or knitted fabric or of a nonwoven. Most often these textiles are processed and then subjected to finishing operations before to be used as a coating support.

Le support textile 2 comporte une première couche 5 thermofusible appliquée sur la face recto 3 du support textile 2 et une seconde couche 7 appliquée sur la face verso 4 du support textile 2. La première couche 5 est thermofusible tandis que la seconde couche 7 a une température de fusion supérieure à la première 5. Par thermofusible, on entend une couche qui permet le contrecollage à chaud, qui est solide à température ambiante et ne possède pas de pouvoir adhésif, mais qui est plastique à température élevée donc partiellement pâteuse, coulante mais adhésive. Ainsi, la première couche 5 possède un fluage thermoplastique supérieur au fluage thermoplastique de la seconde couche 7.The textile support 2 has a first layer 5 hot-melt applied to the front side 3 of the support textile 2 and a second layer 7 applied to the face back 4 of the textile backing 2. The first layer 5 is hot melt while the second layer 7 has a melting temperature higher than the first 5. By hot melt means a layer that allows the hot lamination, which is solid at temperature ambient and has no adhesive power, but which is plastic at high temperature therefore partially pasty, flowing but adhesive. So the first layer 5 has thermoplastic creep superior to creep second layer thermoplastic 7.

L'entoilage thermocollant 1 est tel que la seconde couche 7 constitue une barrière ou un écran vis-à-vis de la première couche 5, c'est-à-dire empêche le phénomène de retour tel qu'il a été défini plus haut.The fusible interlining 1 is like the second layer 7 constitutes a barrier or a screen vis-à-vis the first layer 5, i.e. prevents the phenomenon of return as defined above.

Le procédé de fabrication de l'entoilage thermocollant 1 est tel que l'on dépose simultanément sur chaque face 3, 4 du support textile 2 une couche 5, 7 de polymères thermofusibles. La première couche 5 thermofusible est déposée directement sur la face recto 3 du support textile 2 alors que la seconde couche 7 est déposée par transfert sur la face verso 4 du support textile 2.The interlining manufacturing process fusible 1 is such that it is deposited simultaneously on each side 3, 4 of the textile support 2 a layer 5, 7 of hot melt polymers. The first layer 5 hot-melt is placed directly on the front side 3 of the textile support 2 while the second layer 7 is deposited by transfer on the back side 4 of the support textile 2.

A cet effet on dépose, au moyen d'un premier cadre sérigraphique 9, la première couche 5 répartie en points 6 sur la face recto 3 du support textile 2.To this end, we deposit by means of a first frame screen printing 9, the first layer 5 distributed in points 6 on the front side 3 of the textile support 2.

On dépose, au moyen d'un second cadre sérigraphique 10, la seconde couche 7 répartie en points 8 sur un cylindre de transfert 11 comportant une surface régulière et lisse ; puis on transfert les points 8 de surface plane et de faible épaisseur ainsi obtenus sur la face verso 4 du support textile 2, le dépôt de la première couche 5 et le transfert de la seconde couche 7 ayant lieu simultanément de manière que les points 6, 8 des couches 5, 7 soient situés en regard les uns des autres en coupe transversale.We deposit, using a second screen printing frame 10, the second layer 7 distributed in points 8 on a transfer cylinder 11 having a regular surface and smooth; then we transfer the points 8 of flat surface and thin thus obtained on the reverse side 4 of the textile support 2, the deposition of the first layer 5 and the transfer of the second layer 7 taking place simultaneously so that points 6, 8 of layers 5, 7 are located opposite each other in cross section.

Les dépôts de la première couche 5 thermofusible et de la seconde couche 7 sont effectués au moyen des cadres sérigraphiques respectivement 9 et 10. Ces cadres rotatifs 9 et 10, en eux-mêmes connus, coopèrent respectivement avec une racle 9a, 10a d'une part et d'autre part, tous les deux avec le cylindre de transfert 11.The deposits of the first hot-melt layer 5 and of the second layer 7 are made by means of the frames serigraphic 9 and 10 respectively. These rotating frames 9 and 10, in themselves known, cooperate respectively with a doctor blade 9a, 10a on the one hand and on the other hand, both with the transfer cylinder 11.

En d'autres termes, le cylindre de transfert 11 sert de contre-cylindre pour le premier cadre sérigraphique 9, tandis que ce dernier sert de contre-cylindre pour le cylindre de transfert 11.In other words, the transfer cylinder 11 serves as a counter cylinder for the first screen printing frame 9, while the latter serves as a counter-cylinder for the transfer cylinder 11.

De ce fait, le premier cadre sérigraphique 9, le second cadre sérigraphique 10 et le cylindre de transfert 11 sont superposés, leurs axes de rotation étant dans un même plan et perpendiculaires à la direction de défilement du support textile 2.Therefore, the first screen frame 9, the second screen frame 10 and the transfer cylinder 11 are superimposed, their axes of rotation being in a same plane and perpendicular to the direction of travel of the textile support 2.

Les cadres sérigraphiques 9, 10 permettent la mise en oeuvre de procédés d'enduction par voie humide dans lesquels des poudres très fines de polymères, en dispersion aqueuse, sont appliquées respectivement sur le support textile 2 et le cylindre de transfert 11 par une racle 9a, 10a creuse installée à l'intérieur du cylindre rotatif qui a une paroi mince perforée. Les racles 9a, 10a produisent le passage de la pâte constituant respectivement les couches 5 et 7 à travers les perforations des cadres sérigraphiques 9 et 10. The screen printing frames 9, 10 allow the setting implementing wet coating processes in which very fine polymer powders, in dispersion aqueous, are applied respectively to the support textile 2 and the transfer cylinder 11 by a doctor blade 9a, 10a hollow installed inside the rotary cylinder which has a thin perforated wall. The doctor blades 9a, 10a produce the passage of the dough respectively constituting the layers 5 and 7 through the perforations of the frames screen prints 9 and 10.

Dans un mode de réalisation préféré, les premier 9 et second 10 cadres sérigraphiques ont le même diamètre et comportent le même réseau réticulaire de perforations.In a preferred embodiment, the first 9 and second 10 serigraphic frames have the same diameter and have the same reticular network of perforations.

La composition de la première couche 5 thermofusible, déposée sur la face recto 3 du support textile 2, est à base d'au moins un polymère ou d'au moins un copolymère thermoplastique, comme par exemple, un polyéthylène, un copolyéthylène, un polyamide, un polyester, un copolyester sous la forme d'une dispersion/solution de ces composés. Ce peut être également un mélange de ces composés.The composition of the first layer 5 hot-melt, deposited on the front side 3 of the support textile 2, is based on at least one polymer or at least a thermoplastic copolymer, for example, a polyethylene, a copolyethylene, a polyamide, a polyester, a copolyester in the form of a dispersion / solution of these compounds. It can also be a mixture of these compounds.

La composition de la seconde couche 7, déposée sur la face verso 4 du support textile 2, est variable selon les applications. Elle peut par exemple comprendre un anti-adhérent qui peut être un produit à base de silicone.The composition of the second layer 7, deposited on the reverse side 4 of the textile support 2, is variable according to applications. It can for example include a non-stick which can be a silicone product.

La seconde couche 7 comprend des polymères réticulables ou pas, et dont la température de fusion est supérieure à celle des polymères de la couche thermofusible 5.The second layer 7 comprises polymers crosslinkable or not, and the melting point of which is superior to that of polymers in the hot-melt layer 5.

Dans certains cas, on utilise des matériaux finement broyés dont le point de fusion est supérieur à celui du matériau utilisé pour la première couche 5, tels que les polyéthylènes. Dans d'autres cas, on utilise des matières réactives choisies de manière que leurs points de fusion soient également supérieurs à ceux du matériau utilisé pour la première couche 5. Ainsi, les mélanges aminoplastes, les résines acryliques, les aminoplastes et les polyuréthannes , les epoxy et les acryliques-uréthannes conviennent particulièrement. In some cases, materials are used finely ground with a melting point above that of the material used for the first layer 5, such than polyethylenes. In other cases, reactive materials chosen so that their are also superior to those of the material used for the first layer 5. So the mixtures aminoplasts, acrylic resins, aminoplasts and polyurethanes, epoxy and acrylic-urethanes particularly suitable.

Afin de réaliser une pâte d'enduction avec ces polymères, on les utilise en dispersion dans de l'eau. Pour obtenir un état pâteux, on ajoute des épaississants.In order to make a coating paste with these polymers, they are used in dispersion in water. For to obtain a pasty state, thickeners are added.

Cette pâte est alors déposée sur le cylindre de transfert 11 par le second cadre sérigraphique 10 et par des moyens 11' subit ensuite des transformations visant à évaporer le solvant en tout ou partie, et/ou à faire réagir les polymères de celle-ci et/ou à mettre en fusion les particules de polymère finement broyés.This paste is then deposited on the cylinder of transfer 11 by the second screen printing frame 10 and by means 11 'then undergoes transformations aimed at evaporate the solvent in whole or in part, and / or to react the polymers thereof and / or to melt the finely ground polymer particles.

L'étape suivante consiste à transférer le réseau de points 8 de la second couche 7 sur la face verso 4 du support textile 2. Pour permettre le transfert, le support textile 2 est pressé entre le cylindre de transfert 11 et le premier cadre sérigraphique 9.The next step is to transfer the network from points 8 of the second layer 7 on the reverse side 4 of the textile support 2. To allow the transfer, the support textile 2 is pressed between the transfer cylinder 11 and the first screen printing frame 9.

Pour ce faire, le premier cadre sérigraphique 9 et le cylindre de transfert 11 sont tangents en un point 13, le support textile 2 défilant entre le premier cadre sérigraphique 9 et le cylindre de transfert 11 étant également tangent à chacun de ceux-ci au point 13. De plus, les perforations du premier cadre sérigraphique 9 correspondent avec les points 8 de la seconde couche 7 au moins au point de tangence ou de contact 13 du support textile 2 avec le premier cadre sérigraphique 9 et le cylindre de transfert 11.To do this, the first screen printing frame 9 and the transfer cylinder 11 are tangent at a point 13, the textile support 2 scrolling between the first frame screen printing 9 and the transfer cylinder 11 being also tangent to each of these at point 13. In addition, the perforations of the first screen printing frame 9 correspond with the points 8 of the second layer 7 at less at the point of tangency or contact 13 of the support textile 2 with the first screen printing frame 9 and the transfer cylinder 11.

Par conséquent, comme l'énergie d'adhésion entre la seconde couche 7 et le support textile 2 est supérieure à celle entre la seconde couche 7 et le cylindre de transfert 11, le transfert s'opère au point de contact 13 entre le cylindre de transfert 11 et le support textile 2. Therefore, as the energy of adhesion between the second layer 7 and the textile support 2 is greater than that between the second layer 7 and the transfer cylinder 11, the transfer takes place at the contact point 13 between the transfer cylinder 11 and the textile support 2.

Les points 8 de la seconde couche 7 ainsi transférés ont une surface plane et une faible épaisseur et sont disposés à la surface du support textile 2.The points 8 of the second layer 7 as well transferred have a flat surface and a small thickness and are arranged on the surface of the textile support 2.

Le dépôt de la seconde couche 7 sur le cylindre de transfert 11 par le second cadre sérigraphique 10 se fait donc préalablement au dépôt de la première couche 5 directement sur la face recto 3 du support textile 2 par le premier cadre sérigraphique 9.The deposition of the second layer 7 on the cylinder of transfer 11 by the second screen printing frame 10 is done therefore prior to the deposition of the first layer 5 directly on the front side 3 of the textile support 2 by the first screen frame 9.

A cet effet, on règle la vitesse périphérique du premier cadre sérigraphique 9, du second cadre sérigraphique 10 et du cylindre de transfert 11 pour que les points 6, 8 des couches 5, 7 soient situés en regard les uns des autres en coupe transversale.For this purpose, the peripheral speed of the first screen frame 9, from the second frame screen 10 and transfer cylinder 11 so that points 6, 8 of layers 5, 7 are located opposite from each other in cross section.

Le support textile 2 enduit des points 6, 8 en regard les uns des autres, traverse ensuite une enceinte 12 de chauffage et/ou de rayonnement afin notamment d'évaporer le solvant si nécessaire, de transformer la seconde couche 7 pour que son point de fusion soit supérieur à celui de la première couche 5 et de mettre en fusion les polymères constituant la première couche 5.The textile support 2 coated with dots 6, 8 in look at each other, then crosses an enclosure 12 heating and / or radiation in particular to evaporate solvent if necessary, transform the second layer 7 so that its melting point is higher than that of first layer 5 and to melt the polymers constituting the first layer 5.

Claims (9)

  1. A process for manufacturing a fusible interlining (1) comprising a base fabric (2), a thermofusible first layer (5) applied on one of its faces (3) referred to as the front face, and a second layer (7) whose melting temperature is superior to that of the first layer (5), applied on the rear face (4) of the base fabric (2), characterised in that:
    the first layer (5) is deposited distributed in points (6) on the front face (3) of the base fabric (2) by means of a first screen printer (9);
    the second layer (7) is deposited distributed in points (8) on a transfer roller (11) comprising a regular and smooth surface by means of a second screen printer (10);
    the points (8) with a flat surface and low thickness thus obtained are transferred onto the rear face (4) of the base fabric (2), the depositing of the first layer (5) and the transfer of the second layer (7) being performed simultaneously so that the points (6, 8) of the layers (5, 7) lie opposite to one another on the cross-sectional plane;
    the textile thus coated is submitted to electromagnetic radiation and/or electron bombardment and/or a heat treatment.
  2. A process according to claim 1, characterised in that the peripheral speed of the first screen printer (9), of the second screen printer (10) and of the transfer roller (11) is adjusted so that the points (6, 8) of the layers (5, 7) lie opposite to one another on the cross-sectional plane.
  3. A process according to claim 1 or 2, characterised in that the first layer (5) comprises at least one polymer or at least one thermoplastic copolymer.
  4. A process according to claim 3, characterised in that the polymer or copolymer is chosen from the group made up of polyethylenes, copolyethylenes, polyamides, polyesters, copolyesters, a dispersion/solution of these compounds and their mixtures.
  5. A process according to one of claims 1 to 4, characterised in that the second layer (7) comprises cross-linkable or non cross-linkable polymers whose melting temperature is superior to that of the polymers of the thermofusible layer 5 .
  6. A process according to one of claims 1 to 5, characterised in that the first screen printer (9) and the transfer roller (11) are tangent to one another at a point (13), with the base fabric (2) running between the first screen printer (9) and the transfer roller (11) also tangent to each of them at the point (13).
  7. A process according to one of claims 1 to 6, characterised in that the perforations in the first screen printer (9) correspond to the points (8) of the second layer (7) at least at the point of tangency (13) of the base fabric (2) with the first screen printer (9) and the transfer roller (11).
  8. A process according to one of claims 1 to 7, characterised in that the first (9) and second (10) screen printers have the same diameter and comprise the same cross-linkable set of perforations.
  9. A process according to one of claims 1 to 8, characterised in that the first screen printer (9), the second screen printer (10) and the transfer roller (11) are superimposed, with their axes of rotation lying on the same plane.
EP97400402A 1996-03-25 1997-02-24 Method to make a fusible interlining Expired - Lifetime EP0797932B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9603693A FR2746264B1 (en) 1996-03-25 1996-03-25 METHOD FOR MANUFACTURING THERMAL-STICKING LINING AND THERMAL-STICKING LINING THUS OBTAINED
FR9603693 1996-03-25

Publications (2)

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EP0797932A1 EP0797932A1 (en) 1997-10-01
EP0797932B1 true EP0797932B1 (en) 2000-05-10

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US (1) US5827579A (en)
EP (1) EP0797932B1 (en)
JP (1) JPH101809A (en)
CN (1) CN1189111C (en)
AR (1) AR006383A1 (en)
AT (1) ATE192628T1 (en)
AU (1) AU710521B2 (en)
BR (1) BR9701445A (en)
CA (1) CA2198995A1 (en)
CZ (1) CZ292040B6 (en)
DE (1) DE69701915T2 (en)
ES (1) ES2146962T3 (en)
FR (1) FR2746264B1 (en)
HK (1) HK1002445A1 (en)
HU (1) HUP9700638A3 (en)
MY (1) MY129780A (en)
NO (1) NO309009B1 (en)
PL (1) PL184624B1 (en)
RU (1) RU2172758C2 (en)
SK (1) SK284226B6 (en)
TR (1) TR199700217A1 (en)
UA (1) UA45978C2 (en)
ZA (1) ZA972407B (en)

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EP1057541A1 (en) * 1999-06-04 2000-12-06 Solipat Ag Device and method for partially applying a coating and web with a partial coating
US6942894B2 (en) 2001-11-05 2005-09-13 3M Innovative Properties Company Methods for producing composite webs with reinforcing discrete polymeric regions
US6875710B2 (en) * 2001-11-05 2005-04-05 3M Innovative Properties Company Composite webs with reinforcing polymeric regions and elastic polymeric regions
US7037457B2 (en) * 2001-11-05 2006-05-02 3M Innovative Properties Company Systems and methods for composite webs with structured discrete polymeric regions
FR2870433B1 (en) * 2004-05-24 2007-08-24 Lainiere De Picardie Bc Soc Pa METHOD OF MANUFACTURING A THERMOCOLLATING WEAR AND THERMOCOLLANT WEARING OBTAINED
US7534481B2 (en) 2006-08-08 2009-05-19 3M Innovative Properties Company Shaped elastic tab laminates
JP5069896B2 (en) † 2006-10-23 2012-11-07 株式会社小森コーポレーション Liquid supply device
CA2962479A1 (en) * 2009-04-27 2010-11-11 Avery Dennison Corporation Systems, methods and materials for delivery and debonding on demand
US9926470B2 (en) 2012-10-22 2018-03-27 Avery Dennison Corporation Hybrid material of crosslinked microgel particles dispersed in an adhesive
CN102972889B (en) * 2012-12-17 2014-06-04 浙江金三发粘合衬有限公司 Bonding lining cloth production line
CN105921362B (en) * 2016-06-06 2018-09-07 中山松德新材料装备有限公司 A kind of coating machine positive and negative coating alignment system
CN110665740B (en) * 2019-09-26 2021-03-02 烽火通信科技股份有限公司 Coating wheel, coating device, system and method for manufacturing optical fiber ribbon

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RU2172758C2 (en) 2001-08-27
SK284226B6 (en) 2004-11-03
CA2198995A1 (en) 1997-09-25
ATE192628T1 (en) 2000-05-15
ZA972407B (en) 1997-09-25
FR2746264B1 (en) 1998-05-22
AU1494997A (en) 1997-10-09
DE69701915T2 (en) 2000-12-07
CZ61897A3 (en) 1997-10-15
HUP9700638A2 (en) 1998-03-02
SK35997A3 (en) 1997-10-08
BR9701445A (en) 1998-11-03
CN1189111C (en) 2005-02-16
UA45978C2 (en) 2002-05-15
US5827579A (en) 1998-10-27
ES2146962T3 (en) 2000-08-16
HK1002445A1 (en) 1998-08-28
PL184624B1 (en) 2002-11-29
DE69701915D1 (en) 2000-06-15
NO971380L (en) 1997-09-26
CN1164369A (en) 1997-11-12
MX9702098A (en) 1997-09-30
CZ292040B6 (en) 2003-07-16
MY129780A (en) 2007-04-30
HUP9700638A3 (en) 1998-03-30
EP0797932A1 (en) 1997-10-01
PL319088A1 (en) 1997-09-29
AU710521B2 (en) 1999-09-23
AR006383A1 (en) 1999-08-25
NO971380D0 (en) 1997-03-24
TR199700217A1 (en) 1997-10-21
JPH101809A (en) 1998-01-06
FR2746264A1 (en) 1997-09-26
NO309009B1 (en) 2000-11-27
HU9700638D0 (en) 1997-05-28

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