EP3286367A1 - Textile thermofixable - Google Patents

Textile thermofixable

Info

Publication number
EP3286367A1
EP3286367A1 EP16714401.3A EP16714401A EP3286367A1 EP 3286367 A1 EP3286367 A1 EP 3286367A1 EP 16714401 A EP16714401 A EP 16714401A EP 3286367 A1 EP3286367 A1 EP 3286367A1
Authority
EP
European Patent Office
Prior art keywords
polyurethane foam
polyurethane
foam
polyol
carrier layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16714401.3A
Other languages
German (de)
English (en)
Other versions
EP3286367B1 (fr
Inventor
Steffen Traser
Steffen Kremser
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to PL16714401T priority Critical patent/PL3286367T3/pl
Publication of EP3286367A1 publication Critical patent/EP3286367A1/fr
Application granted granted Critical
Publication of EP3286367B1 publication Critical patent/EP3286367B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 in combination with at least one other method of consolidation
    • D04H1/488—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 in combination with at least one other method of consolidation in combination with bonding agents
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 in combination with at least one other method of consolidation
    • D04H1/49—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 in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
    • 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
    • D04H1/64—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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/66—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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions at spaced points or locations
    • 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
    • D04H1/64—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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/68—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 the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions the bonding agent being applied in the form of foam
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • D06M17/10—Polyurethanes polyurea
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
    • D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/12—Permeability or impermeability properties
    • D06N2209/121—Permeability to gases, adsorption
    • D06N2209/123—Breathable
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/10—Clothing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D06N3/0047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by incorporating air, i.e. froth
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0068—Polymeric granules, particles or powder, e.g. core-shell particles, microcapsules

Definitions

  • the invention relates to thermally fixable fabrics, in particular usable as fixable insert or lining materials in the textile industry, which are characterized by improved performance properties and improved processability, and their preparation and
  • Inlays are the invisible framework of clothing. They ensure correct fits and optimal comfort. Depending on the application, they support processability, increase functionality and
  • these functions may be used in technical textile applications, such as e.g. the furniture, upholstery as well
  • Important property profiles for interlining fabrics are softness, resilience, grip, detergency, and wear resistance of the substrate in use.
  • Inlays can be made of nonwovens, fabrics, knitted or
  • knitted fabrics consist of threads / yarns, which over a
  • Mesh bond are combined to form a textile fabric.
  • Nonwovens consist of single fibers deposited into a batt, which are bound mechanically, chemically or thermally. In mechanically bonded nonwovens, the batt is through
  • the batt is provided with a binder (e.g., acrylate binder) by impregnation, spraying or other conventional methods of application and then condensed.
  • a binder e.g., acrylate binder
  • the binder binds the fibers together to a nonwoven fabric, but has the consequence that a relatively stiff product is obtained, since the binder extends over large parts of the batt and extends the fibers as in a
  • Thermally bonded nonwovens are typically calendered or hot air-solidified for use as liners.
  • punctiform calender consolidation has as
  • the batt is usually made of specially developed for this process fibers of polyester or polyamide and is by means of a calender at temperatures around the
  • a roller of the calender is provided with a dot engraving.
  • a dot engraving consists e.g. from 64
  • Points / cm 2 may, for example, have a welding surface of 12%. Without a point arrangement, the interlining would be sheet-like solidified and inappropriately hard to handle.
  • the adhesive compositions which are usually applied to interlining, are usually thermally activated and usually consist of thermoplastic polymers.
  • Adhesive mass coatings according to the prior art in a separate step on the fiber fabric.
  • Adhesion-based adhesive technology is usually powder dot, paste printing,
  • Base material serves as a barrier against adhesive mass recoil and for anchoring the top point particles.
  • Usual sub-items consist for example of binder and / or of a thermoplastic polymer, which contributes to the bond strength with the fixation. Depending on the chemistry used, the sub-item also carries as well as anchoring in the base material
  • Main adhesive component in the two-layer composite is primarily the top point. This may consist of a thermoplastic material which is sprinkled as a powder on the sub-point. After the spreading process, the excess part of the powder (between the points of the lower layer) is expediently sucked off again. After subsequent sintering, the upper point is bound to the sub-point (thermal) and can serve as an adhesive to the upper point.
  • a different number of dots are printed on and / or the amount of adhesive mass or the geometry of the dot pattern is varied.
  • a typical number of points are, for example, CP 110 with a support of 9 g / m 2 or CP 52 with a support amount of 11 g / m 2 .
  • thermoplastic polymers usually in this technology, an aqueous dispersion of thermoplastic polymers, usually in
  • the object of the present invention is to provide textile fabrics which can also be fixed on thin, transparent, flexible or very open outer fabrics.
  • the textile fabrics should be able to be processed easily with conventional fixing presses, show very good haptic and optical properties, be easy and inexpensive to produce, a very good washing resistance up to 95 ° C show, and also survive drying conditions at high numbers of cycles.
  • Another object is to provide the textile fabrics with a high elasticity, in particular in the transverse direction.
  • Fabric in particular usable as a fixable Einlagestoff in the textile industry, with a carrier layer of a textile material on which a coating of polyurethane foam is applied, which is a thermoplastic polyurethane in the form of a reaction product of
  • cycloaliphatic or aromatic polyisocyanate having an isocyanate content of 5 to 65 parts by weight, at least one polyoi (B) selected from the group consisting of polyester polyol, polyether polyol, polycaprolactone polyol,
  • the foam coating in the sheet according to the invention is characterized by a very homogeneous and narrow pore size distribution with a high stability. It is believed that this is possible by reducing the level of foaming agent in the foam coating.
  • Foam coating based on its active, foam-forming
  • foaming agents are understood as meaning compositions which comprise surfactants and / or mixtures of surfactants and in which
  • Foaming agents are, for example, ® RUCO-COAT FO 4010 or ® TUB! COAT SCH ⁇ UMER HP.
  • the polyurethane foam may be provided with a pore structure in which the average pore diameter is comparatively small, preferably in the range of 5 to 30 ⁇ m, and preferably 10 to 25 ⁇ m, and more preferably 10 to 20 ⁇ m.
  • the mean pore diameters can be determined according to the standard ASTM E 1294 (Coulter Porometer).
  • the foam tends to collapse.
  • the application of such a polyurethane foam due to its low density takes virtually no penetration into the carrier layer. This is advantageous because even very light nonwovens or very light, open woven or knitted fabrics with good release force values can be coated at high speeds without this
  • polyurethane foam is due to its specific
  • Pore structure breathable and moisture-permeable, which has a positive effect on wearing comfort.
  • the pore structure of the polyurethane foam is also very uniform, allowing for even air circulation and a
  • the average penetration depth of the polyurethane foam in the Trägeiiage is less than 20 pm, preferably less than 15 pm, more preferably from 5 to 10 pm.
  • the sheet according to the invention Due to the porous structure of the polyurethane foam, it is possible to provide the sheet according to the invention with a high air permeability. This is determined according to the invention according to DIN EN ISO 9237.
  • the standard climate is according to DIN 50014 / ISO 554, the test result is given in dm 3 / s * m 2 .
  • the test result is given in dm 3 / s * m 2 .
  • Polyurethane foam has an air permeability of more than 150 l / m 2 / s at 100 Pa, preferably from 200 to 800 l / m 2 / s, more preferably from 400 to 1400. This allows a high wearing comfort when used as a liner.
  • the polyurethane foam can be smoothed by means of a calender. As a result, the breathability or the air permeability can be adjusted specifically.
  • the layer thickness can also be adjusted by the foam application as well as by the parameters on the calender. The stronger the smoothness effect, the denser the layer becomes to migration resistance, for example to feathers, down etc.
  • a further advantage of the use of polyurethanes is that the textile fabric according to the invention has a soft, elastic, beautiful (pleasant) feel.
  • the grip of the insert is a significant and important test in the textile industry. It is particularly advantageous that the pleasant grip without additional equipment, such. Silicon equipment of the base can be achieved.
  • the layer thickness of the polyurethane foam can be adjusted depending on the desired properties of the fabric. For most applications, it has proven to be beneficial for the
  • Polyurethane foam has a mean layer thickness in the range of 5 to 400 .mu.m, preferably from 5 to 100 .mu.m and in particular from 10 to 50 pm
  • the layer thickness can be determined by electron microscopy.
  • the basis weight of the polyurethane foam may vary depending on the desired properties of the sheet. As favorable for most applications, it has proven for the polyurethane foam to set a basis weight in the range of 0.1 g / m 2 to 100 g / m 2 in the case of a surface coating. at
  • Dot coatings have proved to be favorable basis weights of 0.5 g / m 2 to 10 g / m 2 .
  • aqueous, non-reactive or reactive, but preferably non-reactive polyurethane dispersions are preferred for the preparation of the polyurethane foam.
  • the aqueous, non-reactive polyurethane dispersions have in the
  • polyurethane content between 5 wt .-% and 65 wt .-%.
  • Polyurethane dispersions having a are preferred according to the invention
  • Polyurethane content between 30 wt .-% and 60 wt .-%.
  • the Brookfield viscosity of the inventively preferred, aqueous, non-reactive polyurethane dispersions at 20 ° C is preferably between 10 and 5000 mPaxs, more preferably between 10 and 2000 mPaxs.
  • aqueous non-reactive polyurethane dispersions may be used to produce the polyurethane foam, the polyurethanes of which are prepared from the components defined in claim 1:
  • polyisocyanate (A) are preferably organic di- and / or
  • polyols (B) polyols are preferably used, with a
  • chain extenders (C) are preferably di- or
  • thermoplastic polyurethane having at least one ionic group or in an ionic group convertible functional group used.
  • thermoplastic polyurethane may further
  • organic polyisocyanates (A) may be both aromatic and aliphatic. According to the invention, preference is given to using aqueous, non-reactive, aliphatic polyurethane dispersions for preparing the polyurethane foam, since the aliphatic polyurethane foams obtained are substantially more light-stable than aromatic polyurethane coatings.
  • the polyols (B) may be based on polyester polyols, polyether polyols,
  • Polycaprolactone polyol polytetrahydrofuran and their mixtures are based. Polyester polyols or are preferred according to the invention
  • polyether polyols are to be preferred.
  • polyester polyols are preferable.
  • polyurethane foams can be obtained which have a surprisingly high washing stability. So could a polyurethane foam on
  • Polyesterpolyolbasis be developed after several washes at 95 ° C and also applications in the post-processing area without a
  • the melting range of the polyurethane is preferably from 130 to 300 ° C, more preferably from 160 to 250 ° C, especially from 180 to 220 ° C.
  • the glass transition temperature T g of the polyurethane is preferably from -100 ° C to 100 ° C, more preferably from -80 to 30 ° C, especially from -60 to 30 ° C.
  • polyurethanes having high elongation values preferably from 100 to 2500%, more preferably from 500 to 2000%, in particular from 700 to 1500% are used. As a result, deposits can be obtained with an elastic behavior of the coating and a particularly pleasant grip.
  • polyurethanes and / or polyurethane compositions having modulus values of preferably from 0.5 to 30 MPa, more preferably from 1 to 15 MPa, in particular from 1.5 to 5 MPa are used.
  • polyurethanes and / or polyurethane compositions with Shore hardness are polyurethanes and / or polyurethane compositions with Shore hardness, from
  • the polyurethane may be chemically crosslinked or uncrosslinked.
  • the polyurethane foam at least one crosslinker, preferably selected from z.
  • aziridines isocyanates, blocked isocyanates, carbodiimides or melamine resins.
  • Polyurethane foam are selectively modulated and the trigger behavior can be adjusted.
  • both the handle and the cleaning resistance can be selectively varied by the crosslinkers.
  • crosslinking agents Through the use of crosslinking agents, a performance increase in the release force of the foam can be achieved, especially after washing or dry cleaning.
  • the polyurethane has a degree of crosslinking of less than 0.1, more preferably less than 0.05, even more preferably less than 0.02. Most preferably, the polyurethane is completely uncrosslinked. It was surprising
  • unvemetzten or only slightly crosslinked polyurethane has a high wash stability even at 95 ° C.
  • Advantageous to uncrosslinked or only low Crosslinked polyurethane is that they are very flexible and have a softer feel.
  • the polyurethane foam comprises dimethylcellulose and / or, preferably, and polyacrylic acid as thickener. It has been found that by using these substances a particularly uniform, bubble-free coating can be obtained. In addition, it has been found to stabilize the foam.
  • Foam stabilizers in particular ammonium stearate or potassium oleate, preferably in an amount of 1 to 0 wt.% Contains.
  • the polyurethane foam contains foaming agents, in particular surfactants.
  • Polyurethane foam associative thickeners in particular hydrophobic
  • modified polyacrylates, cellulose ethers, polyacrylamides, polyethers or associative polyurethane thickener contains.
  • the polyurethane foam advantageously has these compounds in an amount of less than 5% by weight.
  • the polyurethane composition is free of these substances.
  • Polyurethane foam mineral oil-containing thickener in combination with Polyethylene glycol (PEG) contains.
  • PEG Polyethylene glycol
  • the polyurethane foam if it contains as a running aid PEG, mineral oil-containing thickener advantageously in an amount of less than 10 wt.% On.
  • the polyurethane foam is free of these substances. This is also advantageous with regard to the emission values of the applied polyurethane foam.
  • exhaust pipes, dryer cooling zones, etc. are not so heavily loaded with condensate of the usually low-boiling mineral oils. This has the additional positive effect that the deposits are less contaminated with condensate and thus their quality can be increased.
  • the use of PEG in combination with mineral oil-containing thickeners may be disadvantageous. In principle, however, the use of PEG is advantageous. It has proven to be particularly suitable if the proportion of PEG in the polyurethane foam is in the range from 1 to 40% by weight.
  • Polyurethane foam a filler in particular selected from
  • Aluminosilicates preferably kaolin, calcium silicates, calcium carbonates, magnesium carbonates, phyllosilicates, pyrogenic silicic acids and
  • Aluminum oxides such as. B. wollastonite, dolomite, mica, barite flour or talc.
  • the amount of the filler is preferably from 0.5 to 55% by weight, more preferably from 5 to 45% by weight, based in each case on the total weight of the polyurethane foam. In this case, the filler preferably has an average particle size of 5 nm to 100 pm.
  • Polyurethane foams with fillers can also be viscoelastic Properties (rheology), the handle, the cleaning resistance, the
  • Pore size distribution, the stickiness and the withdrawal behavior can be adjusted specifically. It may also be advantageous to use fillers which release gas in the oven during drying and thus contribute to foaming or stabilize the foam.
  • the polyurethane foam contains an additive selected from activated carbon, carbon black, phase change materials (PCMs), thermoplastic polymer powder, Expancel, flock fibers, adhesion promoters, flame retardants such. Mg and / or Al hydroxides or phosphorus compounds, coating pigments such as e.g. Titanium dioxide, superabsorbents such as e.g. Polyacrylic acid, wood shavings, zeolites, metal powders, magnetic particles, e.g. Iron oxides, encapsulated substances such as e.g. Colors, fragrances or active ingredients (wound dressing) or odor-absorbing substances such.
  • PCMs phase change materials
  • thermoplastic polymer powder Expancel
  • flock fibers adhesion promoters
  • flame retardants such. Mg and / or Al hydroxides or phosphorus compounds
  • coating pigments such as e.g. Titanium dioxide
  • superabsorbents such as e.g. Polyacrylic acid
  • wood shavings zeoli
  • the sheet according to the invention comprises a carrier layer. It has proven to be expedient to optimally adjust the polarity of the foam to the carrier layer.
  • a hydrophobic base requires a hydrophobically adjusted foam and a hydrophilically adjusted base of a rather hydrophilic foam.
  • the carrier layer consists of a nonwoven fabric.
  • the nonwoven fabric but also the threads or yarns of the textile materials may consist of man-made fibers or else of natural fibers.
  • Man-made fibers are preferably polyester, polyamide,
  • Cellulosergenerat- and / or Bindefasem used as natural fibers wool or cotton fibers.
  • the chemical fibers can be crimped, curled and / or
  • the carrier layer can be constructed in one or more layers.
  • a moderate nonwoven strength of the carrier layer prior to printing is sufficient, since the carrier layer is additionally applied and solidified with binder when printing with the mixture of binder and thermoplastic polymer.
  • the moderate nonwoven strength low cost fiber raw materials can be used, provided that they meet the requirements of the handle. Also, the
  • Fibers with a fiber titer of up to 6.7 dtex are particularly suitable for interlining materials. Coarser titers are usually not used because of their high fiber stiffness. Fibers are preferred in the range of 1 to 3 dtex, but also microfibers with a titer ⁇ 1 dtex are conceivable.
  • Polyurethane foam formed surface.
  • the polyurethane foam is formed in the form of a dot pattern.
  • the points may be distributed in a regular or irregular pattern on the carrier layer.
  • a hot melt adhesive may be applied.
  • Hotmelt adhesives also known as hotmelt adhesives, hot melt adhesives or hotmelts
  • thermoplastic polymers such as polyamides (PA), copolyamides, polyesters (PES), copolyesters, ethylvinylacetate (EVA) and its copolymers (EVAC), polyethylene (PE), polypropylene (PP), amorphous polyalphaolefins (APAO), polyurethanes (PU) etc. used as hot melt adhesives.
  • the adhesive effect of the hotmelt adhesives is fundamentally based on the fact that they can be reversibly melted down as thermoplastic polymers and, as a liquid melt, due to their viscosity reduced by the melting process, are able to wet the surface to be bonded and thereby form an adhesion to it.
  • the subsequent cooling of the hot melt adhesive solidifies again to the solid, which has a high cohesion and in this way produces the connection to the adhesive surface.
  • the viscoelastic polymers ensure that the adhesion also after the cooling process with their
  • the hot melt adhesives are used in powder form.
  • the size of the particles is based on the area to be printed,
  • the particle diameter can vary between> 0 pm and 500 ⁇ m.
  • the particle size of the hot melt adhesive is not uniform, but follows a distribution, i. you always have one
  • Particle size spectrum are present.
  • the particle size is matched to the desired order quantity, dot size and
  • Hotmelt adhesives in powder form can be applied by means of scattering application, which is expedient in particular for bonding porous substrates for the production of overall breathable textile composites.
  • Another advantage of the spreading order is that it is a simple application method for
  • polyamides from polyamides, polyesters or polyurethanes, are tacky at low temperatures, they are suitable for gentle Lamination of heat-sensitive substrates, eg high-quality textiles. Thanks to good flow properties in the activated state, a good connection is made even at low pressure and short contact time; however, the risk of tissue penetration remains low.
  • the polyurethane foam in this embodiment represents the lower layer of a two-ply adhesive composition on which a hot-melt adhesive top layer is arranged.
  • the hot-melt adhesive top layer may be in the form of a dot pattern or flat.
  • Adhesive mass structure such, in the polyurethane foam and
  • Hot melt adhesive are designed as colons, wherein the
  • Obertician is configured.
  • the colons may be distributed in a regular or irregular pattern on the carrier layer.
  • the two-layer adhesive structure described above should be both the two-layer adhesive structure described above and also
  • the lower layer includes both lower surface layers and lower points
  • the term upper layer comprises both surface upper layers and upper points.
  • the colon based on a polyurethane foam as a sub-dot and a scattering powder as a top is preferably formed in a dot pattern the carrier layer applied. This enhances the softness and resilience of the material.
  • the dot pattern may be regular or irregular.
  • the imprint is by no means limited to dot patterns.
  • the colon can be applied in any geometry, for example, in the form of lines, stripes, mesh or grid-like
  • the two-ply adhesive mass structures are characterized by a low adhesive mass kickback, since the polyurethane foam applied first acts as a barrier layer. If the polyurethane foam is mixed with a thermoplastic polymer, preferably with a melting point ⁇ 190 ° C., this contributes to the bonding. The remindvernietung the deposit is hereby deteriorated.
  • the polyurethane in the polyurethane foam can be present both in pure form and in blends.
  • the polyurethane foam in addition to the polyurethane contains other polymers.
  • thermoplastic polymers may include, for example, polyacrylates, silicones, (co) -polyester, (co) -polyamide, polyolefin,
  • Ethylene vinyl acetate-based polymers and / or combinations (blends and copolymers) of said polymers include.
  • Polyurethane coating preferably 20 to 100 wt .-%, more preferably 30 to 90 wt .-% and in particular from 40 to 90 wt .-%.
  • Particularly preferred according to the invention are the polyacrylates and silicones.
  • the polyurethane foam is preferably present in a coating weight of 0.1 to 100 g / m 2 . According to the invention, it has been found that by suitable selection of
  • composition of the polyurethane foam a sheet with a particularly good transverse elasticity can be obtained.
  • Practical experiments have shown that in the case of a two-ply adhesive composition, the composition of the lower layer has a much greater effect on the transverse elasticity of the surface image than that of the upper layer.
  • the polyurethane foam may contain thermoplastic polymers which have a melting point ⁇ 190 ° C and thereby contribute to the bonding with the fixation.
  • a backsheet containing thermoplastic polymers preferably thermoplastic co-polyamide, co-polyester or polyurethane, or mixtures thereof, aids in bonding the topsheet, but also provides a higher level of backbonding.
  • the use of polyurethanes in the lower layer gives a much better connection of the upper layer and thus can both increase the release force and reduce the powder trickle.
  • Advantageous over e.g. Polyamides is a much improved anchorage to the top, greater elasticity and flexibility.
  • the adhesion to coated outer fabrics is supported.
  • thermoplastic polymers having a melting point ⁇ 190 ° C for example from the group of co-polyamides, co-polyesters or polyurethanes, is that this makes it possible to use the polyurethane foam without additional
  • the hot melt adhesive may contain thermoplastic co-polyamide, co-polyester or polyolefins, for example, with the common Thermoplastics can be mixed.
  • thermoplastic co-polyamide for example, with the common Thermoplastics can be mixed.
  • Particularly suitable PU, PA, PES, PP, PE, ethylene vinyl acetate, copolymers, etc. have proven.
  • the polymers can also be extruded together with the other thermoplastics (compound).
  • polyurethane foam could binders, in particular
  • Granulate is produced, which has a good grindability. Both for the upper layer fraction (generally 80-200 pm) and for the lower layer (0-80 pm), it is expedient if a grindability within these limits is given.
  • the milled particles have a geometry that is as round as possible in order to ensure fault-free spreading or error-free incorporation and sintering.
  • the hotmelt adhesives can also be used with the other conventional coating methods in the insert area, such as powder dot, paste printing, double dot, scatter, hotmelt, scattering coating, etc.
  • other suitable coating methods in the insert area such as powder dot, paste printing, double dot, scatter, hotmelt, scattering coating, etc.
  • Grain size distributions or e.g. a paste formulation used.
  • thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a thermoplastic polymer in particle form with a
  • Polyurethane dispersion is mixed, foamed and applied. After application, the polyurethane is separated from the coarser particles, with the coarser particles coming to rest more on top of the bonding surface, for example the point surface.
  • the polyurethane binds in addition to its function to anchor in the carrier layer and this in addition to binding, the coarser particles.
  • a preferred method for producing a heat-fixable sheet according to the invention comprises the following measures: a) provision of a carrier layer, b) foaming of a polyurethane dispersion which comprises
  • thermoplastic polyurethane in the form of a
  • Polycaprolactone polyol polycarbonate polyol, copolymer Polycaprolactone polyol Polytetrahydrofuran and mixtures thereof and optionally with at least one chain extender (C) to form a polyurethane foam, such that the
  • Polyurethane foam has a pore structure in which more than 50% of the pores have a diameter, measured in accordance with DIN ASTM E 1294, which is in the range of 5 to 30 ⁇ , c) applying the polyurethane foam on selected surface areas of the carrier layer and d) temperature treatment of from step c) obtained carrier layer for drying and simultaneously connecting the
  • Polyurethane foam with the carrier layer to form a coating Polyurethane foam with the carrier layer to form a coating.
  • the components of the polyurethane dispersion may be selected as discussed above with respect to the polyurethane foam.
  • the foam has a specific minimum foam density (in g / L). For this purpose, it has proved to be useful if the
  • Polyurethane foam for forming a flat coating with a Schaumlitermeaning from 1 to 450 g / L, preferably from 50 to 400 g / L, in particular from 100 to 300 g / L is used. In this way, excessive penetration of the foam into the insert can be prevented and a good anchoring in the interlining material can be achieved. If the polyurethane foam is to be applied in the form of a dot pattern, polyurethane dispersions having a foam liter weight of from 1 to 700 g / L, preferably from 200 to 600 g / L, in particular from 400 to 560 g / L, have proven particularly suitable.
  • the foaming of the polyurethane dispersion can be carried out by conventional methods, for example by mechanical impact. It is also possible to carry out the foaming of the polyurethane dispersion by expanding microspheres. This foaming process can also be used in addition to mechanical foaming.
  • Microspheres are small spherical plastic spheres and consist of a thin thermoplastic shell encapsulating hydrocarbon,
  • the shell is a copolymer consisting of monomers such as e.g. Vinylidene chloride, acrylonitrile or methyl methacrylate is constructed.
  • monomers such as e.g. Vinylidene chloride, acrylonitrile or methyl methacrylate is constructed.
  • the gas pressure inside the shell increases, which softens gradually at the same time. This increases the volume of the microspheres.
  • the propellant gas remains permanently trapped. When the heat is removed, the shell solidifies in its enlarged form and forms a closed cell structure.
  • Advantages of such a foam produced by means of microspheres are not only the reduced price but also a better feel, a changed elasticity and compressibility.
  • the microspheres are homogeneously distributed in the polyurethane dispersion. After applying the foam on the support layer and optionally the hot melt adhesive microspheres expand, usually at temperatures in the range of 80 - 230 ° C. Practical experiments have shown that the concentration of
  • Microspheres advantageously in the range of 0.5 to 5 wt .-%, based on the total weight of the polyurethane dispersion. As it has also proved advantageous to microspheres with a
  • the polyurethane foam is produced by foaming an aqueous polyurethane dispersion.
  • the proportion of the polyurethane in the dispersion is preferably in the range of 25 to 95 wt .-%, more preferably from 35 to 70 wt .-%, in particular from 45 to 60 wt .-% based on the total weight of the dispersion.
  • Inserts coated with polyurethane foams produced from such polyurethane dispersions are characterized by the fact that they are much drier and more pleasant to the touch and have a substantially increased elasticity.
  • the polyurethane dispersion may, for example, by means of
  • Emulsifier / shear force method the melt dispersion method, the ketimine or ketazine method, the prepolymer / ionomer method and the universal acetone method and mixed forms of said
  • the polyurethane dispersion may also be mixed with other aqueous dispersions, e.g. Polyacrylatdispersionen, silicone dispersions or
  • Polyvinylacetatdispersionen be mixed.
  • the polyurethane dispersion has crosslinking agents in an amount of less than 2% by weight, more preferably less than 1% by weight, even more preferably less than 0.5% by weight.
  • the solids content of the polyurethane dispersion may be between 10 and 70% by weight, preferably between 15 and 60% by weight and particularly preferably between 20 and 60% by weight, in particular between 30 and 50% by weight.
  • the stabilization of the polyurethane dispersion can be carried out by internal and / or external anionic, cationic or neutral emulsifiers.
  • the pH of the polyurethane dispersion is preferably in the range of 4.0 to 11.0, more preferably between 5.0 and 10.0, even more preferably between 6 and 9.
  • Foaming agents less than 5 wt .-% is. Most preferred is the
  • Polyurethane dispersion used, the dimethyl cellulose and / or, preferably, and, polyacrylic acid as thickener preferably contains in an amount of 0.1 wt .-% to 10 wt .-%.
  • Polyurethane foam and in particular for adjusting the pore size distribution according to the invention is advantageous if the polyurethane dispersion the Foam stabilizers, in particular such.
  • the Foam stabilizers in particular such.
  • Potassium oieate preferably in an amount of 1 to 10 wt .-%.
  • Polyurethane dispersion used which contains polyethylene glycol. It has proved to be particularly suitable when the proportion of PEG in the
  • Polyurethane dispersion in the range of 1 to 40 wt .-% is.
  • Polyurethane foam or its rheological behavior is significantly improved.
  • the application of the polyurethane foam can be carried out in various ways.
  • Paste dot method are applied. Alternatively, on the
  • Underlayer of hot melt adhesive can also be applied in the form of a scattering powder.
  • the application of the paste point as a top layer is advantageous because it produces a substantially more textile feel than with a two-dimensional hot melt application or by means of the double-point method.
  • Carrier layer coated with hot melt adhesive this is preferably provided with a two-layer adhesive structure (colon) to the
  • the carrier layer of a textile material or of nonwoven fabric can be coated with the polyurethane foam directly in a conventional doctor blade machine. It may be useful, the carrier layer before the
  • Running aids to moisten handle modifiers or to treat in any other way so that the printing process is more reliable production.
  • outer fabrics can be used.
  • the sheet has proven to be particularly suitable for fixing to a thin, transparent or holey outer material.
  • thermally fixable sheet according to the invention is not limited to this application.
  • Other applications are also conceivable, for example as a fixable textile fabric
  • a nonwoven fabric base (100% polyamide) with 12 g / m 2 basis weight is made according to the known double-point method with different
  • Polyurethane foams a polyurethane dispersion is converted by means of a commercial food processor in a polyurethane foam.
  • an aliphatic polyesterurethane is used. This generates viscoelastic properties of the sub-point in combination with a pleasant feel and very good resistance to washing.
  • the top point is a polyamide powder with a melting point of 113 ° C and an MFI value of 71 (g / 10 min) (determined at 160 ° C under a load of 2.16 kg).
  • the print stencil grid comes with a CP250
  • the polyurethane dispersion is mixed with the additives described in Table 1.
  • Polyurethane foam applied and covered with 3 g of scattering powder. These deposits are fixed at a temperature of 130 ° C for 12 sec. And a pressure of 2.5 bar (press: Kannegiesser EXT 1000 CU).
  • the material used is a polyester-cotton outer fabric. Table 1 shows the formulations used:
  • Table 2 shows the observed release force values of the coated and fixed nonwoven fabrics
  • FIG. 1 shows the ideological behavior of the reference polyurethane dispersion or of the polyurethane foam 1 as a function of the shear rate.
  • Brookfield RV T / spindle 7 is at the following
  • Measuring speeds determines the viscosity.
  • the stencil / film circumference (0.64 m) of the production templates can be used for the
  • Measuring speed are converted into the production speed of the printing press, for example: measuring speed 2.5 rev / min x
  • Template circumference 0.64 m printing machine (foil) 1, 6m / min;
  • the polyurethane foam (solid line) provides a very nice print image, as the point can be shown very raised and not penetrated by the wearer. Also, the foam coverage over the width and length of the wearer is very constant. Furthermore, the ratio between penetration depth and point geometry is very balanced. It can also be seen that the drop in viscosity increases with increasing shear rate analogous manner as with the paste, but at much lower viscosities.
  • Pulyerurethane dispersion 2 was foamed using a HANSA mixer Top-Mix Compact 60 and applied to a 24 g / m 2 nonwoven fabric using a "Knife over Roll” application system (polyurethane foam 2) and dried in the oven The gap is 0.5 mm The line speed is 6 m / min with a pot weight of 125 g / L. The final total application of the foam line is 17.9 g / m 2. Also in this experiment it can be clearly seen that the coating only minimally penetrates into the substrate penetrated and a uniform, full-surface coating can be generated (see FIG. 3). The foam coating is also stable to laundry up to 95 ° C and survives a dry cleaning without damage. The quality of the foam coating such as feel and feel is also retained.
  • the foam-coated nonwoven fabric produced under 2b) is coated by means of the known paste dot method.
  • This is based on a standard adhesive mass system with a thermoplastic polymer based on polyamide, which has a melting point of 126 ° C and an MFI value of 28 (g / 10 min) (determined at 160 ° C under a load of 2.16 kg).
  • the aqueous paste further contains the customary auxiliaries, such as, for example, emulsifiers, thickeners and process auxiliaries. in the
  • Coating process is 12.5 g / m 2 paste with a CP grid of 110 aufgerakelt.
  • the fabric is then fixed with a temperature of 120 ° C for 12 sec. And a pressure of 2.5 bar (press: Multistar DX 1000 CU).
  • the material used is a polyester-cotton outer fabric.
  • Table 3 shows the release force values of the coated foam and the directly coated insert
  • thermoplastic resin 13 wt .-% thermoplastic
  • the foam is doctored onto a nonwoven base at 24 g / m 2 and oven dried.
  • the loading weight is 21, 2 g / m 2 .
  • the inserts are then fixed at a temperature of 130 ° C or 140 ° C for 12 sec. And a pressure of 2.5 bar (press: Kannegiesser EXT 1000 CU).
  • the material used is a polyester-cotton outer fabric.
  • FIG. 2 shows the SEM image of a top view of the polyurethane foam 2 on the coated carrier layer.
  • Figure 3 is an SEM image of a cross section of the
  • Polyurethane foam 2 occupied carrier layer shown. It can be seen clearly the very low penetration depth of the foam in the carrier layer.
  • Test temperature 22 ° C. It is found that the smallest pore diameter is 12.9 ⁇ m, the average pore diameter is 15.2 ⁇ m and the largest pore diameter is 50.5 ⁇ m. The pore size distribution is shown in FIG.
  • the pore size distribution of the foam coating of a sheet is measured according to ASTM E 1294 (1989).
  • Table 5 shows the air permeability according to DIN EN ISO 39 at 100 Pa
  • Fig. 1 Rheological behavior of the printing paste or the foam in
  • Fig. 4 pore size distribution foam coating without
  • FIG. 5 pore size distribution foam coating with 2% by weight

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Details Of Garments (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne un textile thermofixable, utilisable comme toile d'insertion fixable dans l'industrie textile, comprenant une couche porteuse en un matériau textile sur lequel est appliqué un revêtement en mousse de polyuréthane. La mousse de polyuréthane possède une structure poreuse dans laquelle plus de 50 % des pores présentent un diamètre qui se trouve dans la plage de 5 à 30 μm, mesuré selon la norme DIN ASTM E 1294.
EP16714401.3A 2015-04-22 2016-04-04 Textile thermofixable Active EP3286367B1 (fr)

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PL16714401T PL3286367T3 (pl) 2015-04-22 2016-04-04 Termicznie mocowalny materiał arkuszowy

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DE102015005089.3A DE102015005089A1 (de) 2015-04-22 2015-04-22 Thermisch fixierbares Flächengebilde
PCT/EP2016/057314 WO2016169752A1 (fr) 2015-04-22 2016-04-04 Textile thermofixable

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EP3286367A1 true EP3286367A1 (fr) 2018-02-28
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JP (1) JP6526833B2 (fr)
KR (1) KR102100232B1 (fr)
CN (1) CN107466329B (fr)
CA (1) CA2983539C (fr)
DE (1) DE102015005089A1 (fr)
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EP2610054A4 (fr) * 2010-08-23 2014-08-27 Nitto Denko Corp Feuille composite
EP2701558A4 (fr) * 2011-04-27 2015-04-15 Edizone Llc Éléments d'amortissement comprenant une matière élastomère et leurs procédés de formation
JP5889400B2 (ja) * 2011-05-13 2016-03-22 エムエーエス・イノヴェイション・（プライヴェート）・リミテッド 発泡体組成物及びその使用
DE102012009055B4 (de) * 2012-05-08 2015-06-03 Carl Freudenberg Kg Thermisch fixierbares Flächengebilde, Verfahren zu seiner Herstellung und seine Verwendung als Einlagestoff zur Fixierung an einem Oberstoff
AT14073U1 (de) * 2013-10-07 2015-04-15 Schaefer Philipp Lederaustauschmaterial

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TWI666116B (zh) 2019-07-21
TW201718265A (zh) 2017-06-01
KR20170122250A (ko) 2017-11-03
ES2738984T3 (es) 2020-01-28
US20180057983A1 (en) 2018-03-01
CN107466329B (zh) 2021-07-20
JP2018517068A (ja) 2018-06-28
DE102015005089A1 (de) 2016-10-27
CA2983539C (fr) 2020-01-07
CN107466329A (zh) 2017-12-12
JP6526833B2 (ja) 2019-06-05
EP3286367B1 (fr) 2019-06-05
PL3286367T3 (pl) 2020-02-28
CA2983539A1 (fr) 2016-10-27
RU2677960C1 (ru) 2019-01-22
KR102100232B1 (ko) 2020-04-13
US10472751B2 (en) 2019-11-12
WO2016169752A1 (fr) 2016-10-27

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