WO2021191934A1 - Fiber stabilization method for making flexible fabrics - Google Patents

Fiber stabilization method for making flexible fabrics Download PDF

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Publication number
WO2021191934A1
WO2021191934A1 PCT/IT2021/050045 IT2021050045W WO2021191934A1 WO 2021191934 A1 WO2021191934 A1 WO 2021191934A1 IT 2021050045 W IT2021050045 W IT 2021050045W WO 2021191934 A1 WO2021191934 A1 WO 2021191934A1
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WO
WIPO (PCT)
Prior art keywords
fabric
fibres
stabilisation
membrane
per
Prior art date
Application number
PCT/IT2021/050045
Other languages
French (fr)
Inventor
Alessandro Bergamini
Original Assignee
Alessandro Bergamini
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alessandro Bergamini filed Critical Alessandro Bergamini
Publication of WO2021191934A1 publication Critical patent/WO2021191934A1/en

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    • 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
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B5/262—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 characterised by one fibrous or filamentary layer being a woven fabric layer
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Definitions

  • the present invention relates to a method of stabilising fibres to produce flexible and malleable fabrics, suitable for use as clothing and/or leather goods (such as shoes, fashion and fashion items and accessories), furnishings, automotive, interior design.
  • the invention also relates to the fabric obtained directly and to the product made from that fabric.
  • the fabrics obtained can be natural fabrics or technical fabrics, depending on the origin of the fibres they are made of, which in turn can be natural or artificial (organic and inorganic).
  • natural textile fibres include cotton, linen, hemp, jute, nettle, ramie (Asian nettle yarn), sisal, coir (coir fibre), broom, hibiscus, manila, straw, bamboo and kapok
  • artificial fibres can be of the synthetic (acrylic, modacrylic or acrylic fibres modified for flame resistance, aramid, polyamide or nylon, polyester, polypropylene, polyethylene, chlorovinyl, polyurethane or elastane, Teflon fibres) or inorganic (textile glass, carbon fibre, basalt, metal fibres, such as copper, silver, gold, steel, metallised fibres) type.
  • carbon fibre fabrics whether made from 100% carbon filaments or combined with other types of filament of synthetic or natural origin, are already well known in the clothing, leather goods and footwear industries and in the furnishing of cars and boats.
  • Known types of carbon fibre fabrics comprise a weave of thin filaments of the fibres which are arranged perpendicularly to each other.
  • the aim of this invention is therefore to indicate a method of stabilising fibres for the manufacture of flexible fabrics, which solves the problems of stability and softness of natural and/or man-made textile fibres of known type and, in particular, the easy fraying and tearing (loss of the weave pattern) and the release of micro-dusts.
  • a further aim of this invention is to indicate a method of stabilising fibres for the manufacture of flexible fabrics which can be advantageously used for fashion, design and automotive products and accessories, as well as for other applications where a high-tech fabric is required with the prerogatives that mineral fabrics can confer to the improvement of the quality of life, in terms of lightness, resistance, heat dispersion, anti-bacterial properties and conductivity.
  • a further aim of the invention is to create a flexible fabric which has the same flexibility and fit as conventional fabrics to enable its extensive use in the clothing and interior design industries.
  • the aforementioned aims are achieved by means of a method of stabilising fibres for the manufacture of flexible fabrics, whose main features are specified in the independent claim 1 , and by means of a relative flexible fabric, as in claim 10.
  • fabrics made by using the method based on the invention and in particular those using predominantly carbon fibres undergo treatments which preserve the arrangement of the fibres themselves, so as not to lose the integrity of the weft, which is the main part of the fabric in relation to its resistance to abrasion and tearing and which at the same time allows flexibility without compromising the integrity of the fabric itself.
  • FIG. 1 schematically shows a first step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention
  • FIG. 2 schematically shows a second step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention
  • - figure 3 schematically shows a third step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention.
  • the method of stabilising fibres for making flexible fabrics according to the invention provides for a precise sequence of steps, so that the fabric can be used without aesthetic and mechanical defects.
  • the fabric 1 includes at least one weave of yarns or fibres, which may in turn comprise, for example, carbon fibres, denim fibres or fibres with different percentage compositions of carbon and/or denim and/or polyester or glass fibres or other fibres of a synthetic or natural nature (such as flax fibre in its raw state, for example in the form of a canvas or a satin or a twill).
  • the fabric 1 made, as stated, from natural and/or artificial (synthetic and/or inorganic) textile fibres, is brushed and stretched at a temperature of between 30 °C and 200 °C and/or at a pressure varying between 10 and 200 bar by means of two cylinders 10, 11 or by means of two plates, suitable to exert a variable pressure (fig. 1 ).
  • the “front" side of the fabric 1 is coupled, by means of a thermal rotary press, at a temperature of not less than 140°C, with a mesh or a perforated membrane 2, made of a thermosetting polymer, such as polyurethane, and with a thickness varying between 0.3 and 2 microns; the mesh or membrane 2 has micro-perforations with a maximum diameter of 2 mm.
  • the mesh or membrane 2 combined with aliphatic water-based glues, melts at a temperature of 140°C and penetrates inside the weft of the fabric 1 and a subsequent cooling in an oven 3 at temperatures below 140 °C limits its deformation in subsequent processes.
  • a flat textile structure 4 is applied to the “reverse" side of fabric 1 , advantageously consisting of a web of fibres, such as, for example, polypropylene, polyester, viscose rayon, which are held together by mechanical, chemical and/or thermal bonding procedures.
  • a web of fibres such as, for example, polypropylene, polyester, viscose rayon
  • the flat textile structure 4 is manufactured according to the required technical specifications, such as, for example, with an antibacterial, waterproof or a flame resistance treatment, in order to ensure complete stabilisation and breathability.
  • Such a flat textile structure 4 can avoid the contact of any carbon fibre with the human skin, should the fabric 1 be made entirely or in part of carbon fibres, without altering its properties.
  • the mesh or perforated membrane 2 retains the ability to reactivate itself with a subsequent passage at temperatures above 140 ⁇ in order to carry out any other stabilisation process of the fabric.
  • the perforation of the mesh or membrane 2 is a necessary step to create an expansion of the thermosetting polymer and a greater effectiveness in adhering to the fibres of the fabric 1 , in order to avoid the formation of air bubbles which may compromise the subsequent adhesion of any further membranes or fabrics (fig. 2).
  • the fabric 1 previously stretched and fixed by means of an anti-stretch mesh or membrane 2 and coupled to the textile structure 4, is collected in a reel 5, coated with an acrylic elastomeric resin 6, inserted in an oven 7 and then collected in a further reel 8; the resin 6 is a mono-component, water- based, solvent free and low viscosity type of resin, so that the liquid penetrates inside the fibres of the fabric 1 and does not create high thicknesses altering its malleability (fig. 3).
  • the specific weight of the resin 6 is higher than the specific weight of the fibre of which the fabric 1 mainly consists of and the impregnation avoids the release of any micro-dusts which might be generated by rubbing and use of the finished fabrics.
  • the fabric is impregnated and not encapsulated. This processing cycle based on the impregnation of the fabric 1 also eliminates volatile dust, as the resin 6 increases its specific weight.
  • the fabric 1 in the case of manufacture with carbon fibre, has a resin with a higher specific weight, which, in the case of processing or rubbing, ensures that the particles are not volatile but fall to the ground and therefore cannot be inhaled by humans.
  • a thermoplastic film with varying degrees of transparency or opacity is also used in the composition of the fabrics 1 made of carbon fibre or mixed with other fibres of natural or artificial origin where an aesthetic finish is required.
  • the film is applied by means of a specially designed rolling press, which carries out a micro-perforation process of the film itself before it is applied to the “front" side of the fabric 1.
  • the micro-perforation is carried out with needles having a maximum diameter of 0.50 mm, arranged at a distance of 1 cm from each other, and the film is applied at a pressure ranging from 10 to 50 bar (depending on the type of film to be applied).
  • This process allows applying various types of film with different aesthetic and chemical characteristics.
  • the film can vary in appearance, have different points of brightness and/or opacity and can provide distinctive chemical characteristics such as fire resistance, waterproofing and breathability.
  • thermoplastic film The adhesion of the thermoplastic film is completed by a thermal shock phase.
  • the fabric 1 coupled to the thermoplastic film is immediately passed from a hot press to a cold press within the first few minutes of the cooling phase; this creates a thermal shock capable of blocking and crushing the membranes within the weft of the fabric itself.
  • This process advantageously takes place by carrying out a first passage of at least 30 seconds at a variable temperature between 90 °C and 120°C and a second passage for a time of not less than 60 seconds at a variable temperature between 0°C and -10°C.
  • the thermal shock can be performed both on the fabric 1 during the stabilisation phase and subsequently during the assembly phase of the finished product (which, for example, can consist of a garment made with a fabric 1 in carbon fibre).
  • the application of this thermoplastic film allows protecting the outside of the fabric 1 , making it pleasant to the touch and increasing its resistance, whilst still ensuring flexibility.
  • the method of stabilising fibres for the manufacture of a flexible fabric which is the object of this invention, achieves the above-mentioned aims and benefits.
  • the benefits achieved include:

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

A method of stabilising fibres for the manufacture of a flexible fabric, wherein said fabric (1 ) is made with natural and/or artificial textile fibres, comprising the steps of: A) brushing and ironing of the fabric (1 ) at a temperature between 30 °C and 200 °C and/or at a variable pressure between 10 and 200 bar, by means of plates or cylinders (10, 11 ); B) application of a perforated mesh or membrane (2) to a first side of the fabric (1 ) by means of a thermal rotary press, at a temperature of not less than 140°C; C) application, simultaneously with step B), of a flat textile structure (4) on the second side of the fabric (1 ), to ensure complete stabilisation and breathability of the fabric (1 ); D) coating of the fabric (1 ) with an acrylic elastomeric resin (6) and insertion of the fabric (1 ) into an oven (7). The invention also relates to the flexible fabric (1 ) obtained directly by the above method.

Description

FIBER STABILIZATION METHOD FOR MAKING FLEXIBLE FABRICS
The present invention relates to a method of stabilising fibres to produce flexible and malleable fabrics, suitable for use as clothing and/or leather goods (such as shoes, fashion and fashion items and accessories), furnishings, automotive, interior design.
The invention also relates to the fabric obtained directly and to the product made from that fabric. The fabrics obtained can be natural fabrics or technical fabrics, depending on the origin of the fibres they are made of, which in turn can be natural or artificial (organic and inorganic).
In particular, natural textile fibres, of vegetable origin, include cotton, linen, hemp, jute, nettle, ramie (Asian nettle yarn), sisal, coir (coir fibre), broom, hibiscus, manila, straw, bamboo and kapok, while artificial fibres (or techno fibres) can be of the synthetic (acrylic, modacrylic or acrylic fibres modified for flame resistance, aramid, polyamide or nylon, polyester, polypropylene, polyethylene, chlorovinyl, polyurethane or elastane, Teflon fibres) or inorganic (textile glass, carbon fibre, basalt, metal fibres, such as copper, silver, gold, steel, metallised fibres) type.
At present, not only natural fabrics such as wool, cotton, silk, linen, viscose, etc., but also fabrics made of innovative materials such as carbon fibre, denim fibres, carbon/polyester blends and fibreglass are used in the manufacture of products, particularly clothing, furniture, automotive and interior design.
In particular, carbon fibre fabrics, whether made from 100% carbon filaments or combined with other types of filament of synthetic or natural origin, are already well known in the clothing, leather goods and footwear industries and in the furnishing of cars and boats. Known types of carbon fibre fabrics comprise a weave of thin filaments of the fibres which are arranged perpendicularly to each other.
These known fabrics can also be impregnated with polymer resins and overlaid in appropriate directions. The resins are polymerised to obtain rigid materials with a high specific resistance, for the construction of structural or aesthetic parts.
However, due to their stiffness, these materials cannot be directly applied and, in particular, in the clothing industry, where flexible fabrics that can be sewn and folded are required, this drawback is relevant.
Furthermore, it is not possible to use raw carbon fibre fabrics either, as they tend to fray and are unable to maintain the arrangement of the fibres once deformed.
In order to obtain a certain degree of flexibility in technical fabrics, techniques are still known whereby membranes or resins are applied by means of heat presses or through vacuum processes in an autoclave to fabrics made with an orthogonal or jacquard loom; this stabilises the fibres and blocks the micro-dusts, which create itching on contact with the skin or which can be toxic if inhaled.
However, these techniques developed thus far have made the fabrics difficult to use, as these same resins or membranes make the fabrics not very malleable and above all not very resistant to bending, with the result that over time the membranes become detached and finally break.
The aim of this invention is therefore to indicate a method of stabilising fibres for the manufacture of flexible fabrics, which solves the problems of stability and softness of natural and/or man-made textile fibres of known type and, in particular, the easy fraying and tearing (loss of the weave pattern) and the release of micro-dusts.
A further aim of this invention is to indicate a method of stabilising fibres for the manufacture of flexible fabrics which can be advantageously used for fashion, design and automotive products and accessories, as well as for other applications where a high-tech fabric is required with the prerogatives that mineral fabrics can confer to the improvement of the quality of life, in terms of lightness, resistance, heat dispersion, anti-bacterial properties and conductivity. A further aim of the invention is to create a flexible fabric which has the same flexibility and fit as conventional fabrics to enable its extensive use in the clothing and interior design industries.
The aforementioned aims are achieved by means of a method of stabilising fibres for the manufacture of flexible fabrics, whose main features are specified in the independent claim 1 , and by means of a relative flexible fabric, as in claim 10.
Further detailed technical characteristics are specified in the remaining dependent claims. Advantageously, fabrics made by using the method based on the invention and in particular those using predominantly carbon fibres, undergo treatments which preserve the arrangement of the fibres themselves, so as not to lose the integrity of the weft, which is the main part of the fabric in relation to its resistance to abrasion and tearing and which at the same time allows flexibility without compromising the integrity of the fabric itself.
This invention will now be described according to exemplifying and preferred, but not limited to, manufacturing methods, and with particular reference to the attached figures, wherein:
- figure 1 schematically shows a first step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention;
- figure 2 schematically shows a second step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention; - figure 3 schematically shows a third step of the method of stabilising fibres for the manufacture of flexible fabrics according to this invention.
With reference to the above figures, the method of stabilising fibres for making flexible fabrics according to the invention, provides for a precise sequence of steps, so that the fabric can be used without aesthetic and mechanical defects. In particular, the fabric 1 includes at least one weave of yarns or fibres, which may in turn comprise, for example, carbon fibres, denim fibres or fibres with different percentage compositions of carbon and/or denim and/or polyester or glass fibres or other fibres of a synthetic or natural nature (such as flax fibre in its raw state, for example in the form of a canvas or a satin or a twill).
First of all, there is a preliminary operational phase, which ensures the regularity and good aesthetic finish of the weave of the fibres of the fabric 1. According to the preliminary step of the method object of the invention, the fabric 1 , made, as stated, from natural and/or artificial (synthetic and/or inorganic) textile fibres, is brushed and stretched at a temperature of between 30 °C and 200 °C and/or at a pressure varying between 10 and 200 bar by means of two cylinders 10, 11 or by means of two plates, suitable to exert a variable pressure (fig. 1 ).
After the preliminary phase, the “front" side of the fabric 1 is coupled, by means of a thermal rotary press, at a temperature of not less than 140°C, with a mesh or a perforated membrane 2, made of a thermosetting polymer, such as polyurethane, and with a thickness varying between 0.3 and 2 microns; the mesh or membrane 2 has micro-perforations with a maximum diameter of 2 mm.
The mesh or membrane 2, combined with aliphatic water-based glues, melts at a temperature of 140°C and penetrates inside the weft of the fabric 1 and a subsequent cooling in an oven 3 at temperatures below 140 °C limits its deformation in subsequent processes.
Simultaneously with the application of the mesh or membrane 2, a flat textile structure 4 is applied to the “reverse" side of fabric 1 , advantageously consisting of a web of fibres, such as, for example, polypropylene, polyester, viscose rayon, which are held together by mechanical, chemical and/or thermal bonding procedures.
The flat textile structure 4 is manufactured according to the required technical specifications, such as, for example, with an antibacterial, waterproof or a flame resistance treatment, in order to ensure complete stabilisation and breathability.
Such a flat textile structure 4, for example, can avoid the contact of any carbon fibre with the human skin, should the fabric 1 be made entirely or in part of carbon fibres, without altering its properties.
Depending on the type of flat textile structure 4 used, it is possible to achieve anti-bacterial, fire-retardant, heat-regulating and waterproof properties.
In addition, the mesh or perforated membrane 2 retains the ability to reactivate itself with a subsequent passage at temperatures above 140^ in order to carry out any other stabilisation process of the fabric.
The perforation of the mesh or membrane 2 is a necessary step to create an expansion of the thermosetting polymer and a greater effectiveness in adhering to the fibres of the fabric 1 , in order to avoid the formation of air bubbles which may compromise the subsequent adhesion of any further membranes or fabrics (fig. 2).
The fabric 1 , previously stretched and fixed by means of an anti-stretch mesh or membrane 2 and coupled to the textile structure 4, is collected in a reel 5, coated with an acrylic elastomeric resin 6, inserted in an oven 7 and then collected in a further reel 8; the resin 6 is a mono-component, water- based, solvent free and low viscosity type of resin, so that the liquid penetrates inside the fibres of the fabric 1 and does not create high thicknesses altering its malleability (fig. 3).
The specific weight of the resin 6 is higher than the specific weight of the fibre of which the fabric 1 mainly consists of and the impregnation avoids the release of any micro-dusts which might be generated by rubbing and use of the finished fabrics. The fabric is impregnated and not encapsulated. This processing cycle based on the impregnation of the fabric 1 also eliminates volatile dust, as the resin 6 increases its specific weight.
The result of this process is that the fabric 1 , in the case of manufacture with carbon fibre, has a resin with a higher specific weight, which, in the case of processing or rubbing, ensures that the particles are not volatile but fall to the ground and therefore cannot be inhaled by humans. Advantageously, a thermoplastic film with varying degrees of transparency or opacity is also used in the composition of the fabrics 1 made of carbon fibre or mixed with other fibres of natural or artificial origin where an aesthetic finish is required. In particular, the film is applied by means of a specially designed rolling press, which carries out a micro-perforation process of the film itself before it is applied to the “front" side of the fabric 1.
Advantageously, the micro-perforation is carried out with needles having a maximum diameter of 0.50 mm, arranged at a distance of 1 cm from each other, and the film is applied at a pressure ranging from 10 to 50 bar (depending on the type of film to be applied).
This process allows applying various types of film with different aesthetic and chemical characteristics.
Indeed, the film can vary in appearance, have different points of brightness and/or opacity and can provide distinctive chemical characteristics such as fire resistance, waterproofing and breathability.
The adhesion of the thermoplastic film is completed by a thermal shock phase.
In particular, the fabric 1 coupled to the thermoplastic film is immediately passed from a hot press to a cold press within the first few minutes of the cooling phase; this creates a thermal shock capable of blocking and crushing the membranes within the weft of the fabric itself.
This process advantageously takes place by carrying out a first passage of at least 30 seconds at a variable temperature between 90 °C and 120°C and a second passage for a time of not less than 60 seconds at a variable temperature between 0°C and -10°C.
The thermal shock can be performed both on the fabric 1 during the stabilisation phase and subsequently during the assembly phase of the finished product (which, for example, can consist of a garment made with a fabric 1 in carbon fibre). Advantageously, the application of this thermoplastic film allows protecting the outside of the fabric 1 , making it pleasant to the touch and increasing its resistance, whilst still ensuring flexibility.
By virtue of the foregoing, the method of stabilising fibres for the manufacture of a flexible fabric, which is the object of this invention, achieves the above-mentioned aims and benefits.
In particular, the benefits achieved include:
- the creation of a flexible fabric that can be used for clothing products and accessories, leather goods such as bags and suitcases, footwear, car and boat furnishings, interior design, automotive, etc;
- the creation of a flexible, resistant and, at the same time, elastic and malleable fabric;
- the creation of a flexible, soft, dimensionally stable, breathable and waterproof fabric; - the creation of an insulating, semi-transparent, non-transparent and/or opaque fabric;
- the possibility of deforming the fabric without compromising the weft and without causing fraying between the fibres;
- the creation of a fabric resistant to surface wear; - the creation of a flexible fabric with a fit equal to that of traditional fabrics whilst still maintaining more efficient mechanical and physical characteristics;
- the creation of an elastic fabric with a better aesthetic finish than the known art. Variations and/or additions may be made by sector experts to the embodiment of the invention described and illustrated herein while remaining within the scope of the attached claims.

Claims

1. Method of stabilising fibres for the manufacture of a flexible fabric, wherein said fabric (1) is made from natural and/or man-made textile fibres, characterised in that it includes at least the following steps in sequence: A) brushing and ironing of said fabric (1) at a temperature of between 30 °C and 200 °C and/or at a pressure of between 10 and 200 bar, by means of plates or cylinders (10, 11), suitable to exert a variable pressure;
B) application of a perforated mesh or membrane (2) to a first side of the fabric (1) by means of a thermal rotary press, at a temperature of not less than 140°C;
C) application, simultaneously with said step B), of a flat textile structure (4) on the second side of the fabric (1), so as to ensure complete stabilisation and breathability of the fabric (1);
D) Coating of said fabric (1) with an acrylic elastomeric resin (6) and insertion of the fabric (1 ) into an oven (7).
2. A method of stabilisation as in claim 1 , characterised in that said perforated mesh or membrane (2) is made of a thermosetting polymer, such as polyurethane, with a thickness varying between 0.3 and 2 microns.
3. A method of stabilisation as per at least one of the preceding claims, characterised in that said mesh or membrane (2) has micro-perforations having a maximum diameter of 2 mm.
4. A method of stabilisation as per at least one of the preceding claims, characterised in that said mesh or membrane (2) is joined to aliphatic water- based glues and melts at a temperature of 140°C, penetrating inside the weft of the fabric (1).
5. A method of stabilisation as per at least one of the preceding claims, characterised in that said mesh or membrane (2), subsequent to said step B), is cooled to temperatures of less than 140°C.
6. A method of stabilisation as per at least one of the preceding claims, characterised in that said acrylic elastomeric resin (6) is of the mono component, water-based, solvent free, low viscosity type and has a specific weight higher than the specific weight of the textile fibre of which the fabric mainly consists (1).
7. A method of stabilisation as per at least one of the preceding claims, characterised in that, subsequent to said step D), a step of applying a micro- perforated thermoplastic film, with holes having a maximum diameter of 0.50 mm, is carried out on said first side of the fabric (1), at a pressure varying from 10 to 50 bar.
8. A method of stabilisation as in claim 7, characterised in that said fabric
(1 ) coupled to said thermoplastic film is sent from a hot press to a cold press, performing a first passage in the hot press of at least 30 seconds at a temperature varying between 90 °C and 120 °C and a second passage in the cold press for a time of not less than 60 seconds at a temperature varying between 0°C and -10°C.
9. A method of stabilisation as per at least one of the preceding claims, characterised in that said fabric (1) is a natural or technical fabric and is composed of textile fibres of a natural type, such as cotton, linen, hemp, jute, nettle, ramie, sisal, coconut, broom, hibiscus, manila, straw, bamboo and kapok, or man-made, such as acrylic, modacrylic or modified acrylic, aramid, polyamide or nylon, polyester, polypropylene, polyethylene, chlorovinyl, polyurethane or elastane, T eflon fibres, glass fibre, carbon fibre, denim fibre, basalt fibres, metallic fibres, such as copper, silver, gold, steel, metallised fibres.
10. Flexible fabric obtained by a method of stabilisation as in claim 1.
PCT/IT2021/050045 2020-03-23 2021-03-01 Fiber stabilization method for making flexible fabrics WO2021191934A1 (en)

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IT102020000006118A IT202000006118A1 (en) 2020-03-23 2020-03-23 FLEXIBLE FABRIC FOR CLOTHING OR LEATHER GOODS
IT102020000006118 2020-03-23

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JP2007169867A (en) * 2005-11-28 2007-07-05 Hiramatsu Sangyo Kk Resin-coated carbon fiber sheet and method for producing the same
WO2013124759A1 (en) * 2012-02-20 2013-08-29 Automobili Lamborghini S.P.A. Carbon fiber fabric and process for its manufacture
EP2905375A1 (en) * 2013-12-17 2015-08-12 Tejidos Royo, S.L. Method for producing a fabric with a skin-like appearance, similar to leather, and corresponding fabric produced
US20180343943A1 (en) * 2015-12-03 2018-12-06 Toray Industries, Inc. Garment

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US20110033686A1 (en) * 2009-08-10 2011-02-10 E. I. Du Pont De Nemours And Company Durable high performance adhesive-bonded allergen barrier laminates and process for making same

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Publication number Priority date Publication date Assignee Title
JP2007169867A (en) * 2005-11-28 2007-07-05 Hiramatsu Sangyo Kk Resin-coated carbon fiber sheet and method for producing the same
WO2013124759A1 (en) * 2012-02-20 2013-08-29 Automobili Lamborghini S.P.A. Carbon fiber fabric and process for its manufacture
EP2905375A1 (en) * 2013-12-17 2015-08-12 Tejidos Royo, S.L. Method for producing a fabric with a skin-like appearance, similar to leather, and corresponding fabric produced
US20180343943A1 (en) * 2015-12-03 2018-12-06 Toray Industries, Inc. Garment

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