WO2014048557A2 - Utilisation de non-tissés en microfibres pour fabriquer des stratifiés décoratifs - Google Patents

Utilisation de non-tissés en microfibres pour fabriquer des stratifiés décoratifs Download PDF

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Publication number
WO2014048557A2
WO2014048557A2 PCT/EP2013/002860 EP2013002860W WO2014048557A2 WO 2014048557 A2 WO2014048557 A2 WO 2014048557A2 EP 2013002860 W EP2013002860 W EP 2013002860W WO 2014048557 A2 WO2014048557 A2 WO 2014048557A2
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WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
fibers
use according
composite fibers
dtex
Prior art date
Application number
PCT/EP2013/002860
Other languages
German (de)
English (en)
Other versions
WO2014048557A3 (fr
Inventor
Robert Groten
Günter Schmitt
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
Publication of WO2014048557A2 publication Critical patent/WO2014048557A2/fr
Publication of WO2014048557A3 publication Critical patent/WO2014048557A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D04H3/147—Composite yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles

Definitions

  • the present invention relates to decorative laminates, in particular decorative laminates provided with a decorative layer.
  • Decorative laminates are generally more durable than wood and have an attractive appearance.
  • laminates are characterized by low production costs, high impact and abrasion resistance, durability and resistance to heat, UV light and mild chemicals. That's why
  • Laminates are composites of a wide variety of materials such as paper or fabric webs, wood, textiles, glass fiber fabrics, plastics, horn, cork and / or glass fiber mats. Laminates may be impregnated by compression with plastic resins such as epoxy, melamine resins, thermoplastics, phenoplasts, urea-formaldehyde resins
  • the pressed materials can be produced.
  • the pressed materials can be produced.
  • CONFIRMATION COPY then be connected to a carrier layer.
  • a unit is formed which is easy to assemble.
  • the laminate is usually provided with a decorative layer, which may for example have a print pattern and / or a color.
  • the decorative layer must meet the most diverse requirements. So it is supposed to have an attractive appearance, simply and quickly be penetrable for resins, a uniform density and
  • crepe papers have the disadvantage that they can not be used to obtain a satisfactorily smooth surface, in particular in the region of the edges.
  • Another drawback with the use of paper is that impregnated and dried single-ply papers are break-resistant and therefore have to be made resistant to bending and punctiform pressure by stacking several impregnated layers in the press pack. The separate manufacture and stacking impregnated However, layers is technically complicated and cost-intensive.
  • the invention has the object of providing a decorative layer for a
  • the object is achieved by using a microfiber nonwoven fabric comprising melt-spun and bonded fibers of a titer of 1.5 to 5 dtex, which is at least 80% elemental fibers with a titer of 0.05 to 2.0 dtex are split and solidified.
  • the microfiber nonwoven fabric according to the invention may comprise micro staple fibers and / or microfilaments.
  • composite fibers a variety of fiber types including composite staple fibers, composite filaments or
  • Composite filaments are preferably used according to the invention.
  • a decorative laminate for a decorative laminate can be produced, which is characterized by an extremely low bending resistance compared to the conventionally used for this purpose papers.
  • the decorative layer has an excellent
  • the decorative layer can be easily used with the usually used for the impregnation of decorative and cover sheets Resins, such as aminoplast resin, in particular melamine-formaldehyde resin,
  • Urea-formaldehyde resin or with other resin systems such.
  • phenolic resin in particular phenol-formaldehyde resin and cresol-formaldehyde resin, polyester, urea-formaldehyde, dicyandiamide-Fomaldehyd, silicone resin, epoxy, polyurethane, curable acrylic resins and mixtures thereof are impregnated.
  • Impregnation with the aforementioned resins may occur during or preferably after preparation of the microfiber nonwoven fabric and before
  • a microfiber nonwoven fabric is preferred with a
  • Elementary fibers preferably from 0.01 to 0.3 dtex, more preferably from 0.03 to 0.2 dtex, in particular from 0.05 to 0.15 dtex.
  • the microfiber nonwoven fabric is one in which the composite fibers comprise bicomponent fibers of at least two incompatible polymers.
  • Such bicomponent fibers have good cleavability in elementary fibers and cause a favorable ratio of strength to basis weight.
  • the proportion of the composite fibers in the microfiber nonwoven fabric is preferably at least 50% by weight, more preferably 60 to 100% by weight, in particular 80 to 100% by weight.
  • the microfiber nonwoven fabric may also contain other fibers such as viscose fibers and / or cellulose fibers, for example in an amount of up to 50% by weight, more preferably 1 to 40% by weight, in particular 1 to 20% by weight.
  • the microfibrous nonwoven fabric is one in which the composite fibers, which are preferably configured as filaments, have a cross-section with an orange-like or "pie” called multisegment structure, the segments containing different, alternately incompatible polymers.
  • the hollow-pie structures that can also have an asymmetrically axially extending cavity.
  • the orange-slit or pie-pie arrangement advantageously has 2, 4, 8, 16, 24, 32 or 64 segments, particularly preferably 16, 24 or 32 segments.
  • the microfiber nonwoven fabric preferably comprises polymers, more preferably thermoplastic polymers.
  • thermoplastic materials it is particularly advantageous that the combination of decorative layer and carrier material and / or intermediate carrier material can be carried out in a simple manner by melting or melting the nonwoven fabric and bringing it into contact with the carrier material or intermediate carrier material.
  • the nonwoven fabric particularly preferably contains so-called incompatible polymer pairs or blends of various polyolefins, polyesters, polyamides and / or polyurethanes in any desired combination, which preferably do not give only limited or poorly adhering pairings.
  • Under a substantially non-adhesive bond here is a Compound understood to be none, one severe or one conditional
  • Adhesive has.
  • materials having a conditional adhesiveness have a conditional or no diffusion bonding, but may have a good adhesion bonding, and materials having a heavy bondability have no diffusion bonding and, if any, a conditional adhesion bonding.
  • the polymer pairs used are particularly preferably selected from polymer pairs with at least one polyolefin, preferably with polyethylene, such as polypropylene / polyethylene, polyamides / polyethylene or
  • Polyethylene terephthalate are preferred because of their conditional adhesiveness, and polymer pairs with at least one polyolefin are particularly preferred because of their poor tackiness.
  • Particularly preferred components of the multicomponent fibers are polyesters, preferably polyethylene terephthalate, and / or
  • polyamide preferably polyamide 6
  • polyamide 66, polyamide 46, on the other hand if appropriate, in combination with one or more further incompatible to the abovementioned components polymers, preferably selected from polyolefins proved to be particularly useful.
  • the microfiber nonwoven fabric is further one in which at least one of the multi-component fibers forming incompatible polymers, polyethylene terephthalate on the one hand and at least one of the
  • Multicomponent fibers forming incompatible polymers a polyamide, preferably polyamide 6 comprises. This combination has one
  • a hydrophilic microfiber nonwoven fabric is used.
  • Embodiment is advantageous in that such a nonwoven fabric is wetted faster and thus can be impregnated particularly quickly with resins.
  • compounds have proved to be suitable which contain salts of organic sulfonic acids, in particular sodium salts of C 14 -C 17 -alkanesulfonic acids, for example combined with a carrier substance, such as PET.
  • a carrier substance such as PET.
  • Hydrophilizing agents include, for example, NEA0025549®, HOSTASTAT VNE 70037®, CESA-stat NEA0025549®, CESA-stat 70037®, each from Clariant. In addition, such additives have proved favorable, the
  • the equipment of the microfiber nonwoven fabric can be effected by adding the hydrophilizing agents to the polymers used to produce the nonwoven fabric.
  • the proportion of the hydrophilizing agents is a proportion of the hydrophilizing agents to the polymers used to produce the nonwoven fabric.
  • Hydrophilizing agent in the nonwoven fabric advantageously from 0.2 to 2 wt.%, More preferably from 0.5 to 1.5 wt.%, Each based on the
  • the hydrophilizing agent is preferably the polyamide Component added.
  • CESA-Stat 70037 which also has antistatic and hydrophilicizing properties, has proved particularly suitable.
  • the nonwoven fabric can also be made hydrophilic after its preparation, for example by padding in aqueous solution with hydrophilizing finishes and subsequent drying.
  • the hydrophilizing additives act in or on the polymers
  • the composite fibers preferably have a central opening, in particular in the form of a tubular elongated cavity, which may be centered with respect to the central axis of the composite fibers. This arrangement can reduce the close contact in this area of different elementary fibers made of the same polymer material or
  • the composite fibers may have a latent or spontaneous crimp which results from an asymmetric behavior of the elementary fibers with respect to their longitudinal central axis, which crimping may be due to an asymmetric crimp
  • the composite fibers may be latent or spontaneous
  • Crimp which is due to a differentiation of the physical properties of the polymer fibers forming the elementary fibers in the spinning, cooling and / or stretching operations concerning the composite fibers, which leads to distortions caused by internal
  • Composite fibers are caused, wherein the crimping optionally by an asymmetrical geometric configuration of the cross section of the
  • Composite fibers is activated or reinforced.
  • the composite fibers may have a latent crimp which is activated by thermal, mechanical or chemical treatment prior to formation of the nonwoven fabric.
  • the crimp can be strengthened thermally or chemically, for example, by an additional treatment of the solidified substance.
  • microfiber nonwoven fabric may further comprise suitable additives.
  • suitable additives for example, static charges can be reduced or avoided.
  • Microfiber nonwoven fabric is a nonwoven fabric having a basis weight of 35 to 200 g / m 2 , which consists of melt spun, aerodynamically stretched and immediately to a nonwoven composite filaments with a titer of 1, 5 to 3 dtex, the composite filaments at least 80% to Elementary filaments with a titer of 0.05 to 1, 0 dtex are split and solidified.
  • a inventively particularly suitable nonwoven fabric is under the
  • the microfibrous nonwoven fabric can be made by a process comprising the following steps: Composite fibers are made from at least two polymer melts
  • first polymer melt contains at least a first polymer and the second polymer melt at least one second polymer.
  • the composite fibers are stretched and laid down to a nonwoven, the web is solidified by high-pressure fluid jets and in
  • microfilament nonwoven fabric thus obtained is very uniform in thickness. It exhibits an isotropic distribution of filaments, has no tendency to delaminate and is characterized in particular by the use of non-crimped filaments by high modulus values.
  • the method for producing the microfilament nonwoven fabric is carried out in such a way that the solidification and splitting of the composite fibers takes place in that the optionally preconsolidated
  • Nonwoven fabric is at least once on each side with high-pressure fluid jets, preferably subjected to high pressure water jets.
  • Microfilament nonwoven thereby has a textile surface and a degree of splitting of the composite fibers of more than 80%.
  • the solidification of the nonwoven according to the invention preferably takes place by treatment with high-pressure fluid jets. So can the
  • the strength and the mechanical resistance of the nonwoven fabric can be further increased significantly, if it is provided that the elementary fibers are bonded to each other by a thermofusion, which relates to one or more of them, preferably by hot calendering with heated, smooth or engraved rollers, by pulling through a hot-air tunnel kiln, by pulling on a through-flow of hot air drum and / or by applying a binder contained in a dispersion or in a solution or powdered.
  • a thermofusion which relates to one or more of them, preferably by hot calendering with heated, smooth or engraved rollers, by pulling through a hot-air tunnel kiln, by pulling on a through-flow of hot air drum and / or by applying a binder contained in a dispersion or in a solution or powdered.
  • the solidification of the pile can also, for example, by hot calendering before any separation of the uniform
  • the pile structure may also be solidified by a chemical treatment (as described, for example, in Applicants' French Patent No. 2,546,536) or by a thermal treatment which results in a controlled shrinkage of at least a portion of the
  • the nonwoven fabric may be subjected to a chemical nature such as anti-pilling treatment, hydrophilization or hydrophobization, antistatic treatment, treatment for improving the
  • hydrophilizing agents are, for example, those mentioned above
  • hydrophilizing agents can be applied to the nonwoven fabric, for example, by padding in aqueous solution and subsequent drying.
  • microfiber nonwoven fabric with a particularly homogeneous structure can be obtained when the nonwoven fabric by application of temperature and / or pressure, preferably by
  • Line pressure of 20 to 80n / mm is pre-consolidated.
  • microfiber nonwoven fabric to increase its
  • the split and solidified nonwoven fabric is passed through heated rollers, of which at least one roller has elevations which are punctiform
  • the nonwoven fabric can be provided with a print pattern after its production.
  • the fine structuring of the surface of the nonwoven fabric which allows a very high resolution of the printing pattern, namely a printing with pixels from 7/1000 mm diameter, comes into play.
  • the microfibrous nonwoven fabric may during or
  • suitable resins preferably aminoplast resins, in particular melamine-formaldehyde resins, urea-formaldehyde resins but also with other resin systems such.
  • Phenolic resins in particular phenol-formaldehyde and cresol
  • the amount of resin in the microfiber nonwoven fabric can vary depending on the application. Suitable amounts for many applications have been found to be from 30 to 200% by weight, preferably from 60 to 170% by weight, in particular from 70 to 140% by weight, based in each case on the total weight of the microfiber nonwoven fabric.
  • the impregnated microfiber nonwoven fabric can then as
  • Decorative layer with a carrier material for example chipboards, medium-density fiberboard, hardboard, veneer boards, solid wood,
  • Foams, mineral carriers, metallic carriers, natural or artificial stone, sheets, tiles and plasterboard are connected, whereby a decorative laminate is obtained. It is also conceivable to provide one or more intermediate carrier layers.
  • the microfibrous nonwoven fabric is used as a decorative layer on a laminate as
  • Applied intermediate carrier wherein the laminate press plate can in turn be applied to one or more of the aforementioned carrier materials.
  • the connection between the laminate and the support may in this case be dependent on the material, for example by gluing or by means of a
  • Adhesive for example a reaction adhesive, such as an epoxy, Polyester or polyurethane adhesive can be performed.
  • connection is effected by the resin used for the impregnation. If the nonwoven fabric consists at least partially of thermoplastic fibers, it is also conceivable that the connection is effected by thermofusion, preferably by
  • Hot calendering with heated, smooth or engraved rolls by passing through a hot-air tunnel furnace and / or by pulling on a through-flow of hot air drum.
  • adhesives such as reactive adhesives, such as epoxy, polyester or
  • Polyurethane adhesives and / or adhesive films are used for this purpose.
  • High-pressure laminate plates so-called HPLs as an intermediate carrier, have proved to be particularly expedient.
  • High pressure laminates have layers of fibrous webs impregnated with curable resins,
  • Decorative layer according to the invention are provided.
  • CPL continuously produced laminate
  • Decorative high-pressure laminate can be produced in many different ways.
  • fibrous webs impregnated with a curable resin and at elevated temperature for example in the range of 110 to 160 ° C, in particular from 120 ° C to 160 ° C and elevated pressure, for example at more than 5 MPa, preferably more than 7 MPa are pressed ,
  • elevated temperature for example in the range of 110 to 160 ° C, in particular from 120 ° C to 160 ° C and elevated pressure, for example at more than 5 MPa, preferably more than 7 MPa
  • the thickness of the laminate panels can be freely selected depending on the field of application.
  • Basis weight of 100 gm / m 2 produced and printed by means of templates. This nonwoven fabric is then impregnated with aqueous melamine resin, squeezed out and dried.
  • the impregnated nonwoven fabric is then pressed at temperatures between 150 and 180 ° C on a laminate press plate.
  • microfiber nonwoven fabric can be printed with a very high resolution. So he allows a print with
  • the laminate provided with the decorative layer can be bent by 180 ° without breaking.
  • a comparatively produced décor paper already breaks 50 ° or less in the event of bending.
  • the decorative layer can thermally three-dimensionally deformed after drying and / or
  • a fixation of the obtained shape can be achieved by pressing at elevated temperature.

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

Abstract

L'invention concerne l'utilisation d'un non-tissé en microfibres, comprenant des fibres composites obtenues par fusion-filage et déposées de façon à former un non-tissé, présentant un titre de 1,5 à 5 dtex. Au moins 80% des fibres composites sont séparées en fibres élémentaires, qui présentent un titre de 0,05 à 2,0 dtex, et sont solidifiées sous forme de couche décorative pour un stratifié décoratif.
PCT/EP2013/002860 2012-09-25 2013-09-24 Utilisation de non-tissés en microfibres pour fabriquer des stratifiés décoratifs WO2014048557A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012018852.8 2012-09-25
DE102012018852.8A DE102012018852B4 (de) 2012-09-25 2012-09-25 Verwendung von Mikrofaser-Vliesstoffen zur Herstellung dekorativer Schichtpressstoffe

Publications (2)

Publication Number Publication Date
WO2014048557A2 true WO2014048557A2 (fr) 2014-04-03
WO2014048557A3 WO2014048557A3 (fr) 2014-05-22

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DE (1) DE102012018852B4 (fr)
WO (1) WO2014048557A2 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546536A1 (fr) 1983-05-25 1984-11-30 Rhone Poulenc Fibres Procede pour le traitement de nappes non tissees et produit obtenu
FR2749860A1 (fr) 1996-06-17 1997-12-19 Freudenberg Spunweb Sa Nappe non tissee formee de filaments continus tres fins

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH482532A (de) * 1967-02-22 1969-12-15 Freudenberg Carl Verfahren zur Herstellung von rollfähigen Folien
DE3208728A1 (de) * 1982-03-11 1983-09-22 Cassella Ag, 6000 Frankfurt Mit aminoplastharzdispersionen beschichtete traegermaterialien und deren weiterverarbeitung zu schichtstoffen
DE19947869A1 (de) * 1999-10-05 2001-05-03 Freudenberg Carl Fa Synthetisches Leder
DE10009280B4 (de) * 2000-02-28 2006-05-18 Carl Freudenberg Kg Kompositmaterial und Verfahren zu dessen Herstellung
DE102005014317A1 (de) * 2005-03-30 2006-10-05 Carl Freudenberg Kg Synthetisches Leder, Verfahren zu dessen Herstellung und dessen Verwendung
WO2008121914A1 (fr) * 2007-03-30 2008-10-09 E2E Materials, Llc Contreplaqué biodégradable et procédé de fabrication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546536A1 (fr) 1983-05-25 1984-11-30 Rhone Poulenc Fibres Procede pour le traitement de nappes non tissees et produit obtenu
FR2749860A1 (fr) 1996-06-17 1997-12-19 Freudenberg Spunweb Sa Nappe non tissee formee de filaments continus tres fins

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DE102012018852B4 (de) 2016-01-07
WO2014048557A3 (fr) 2014-05-22
DE102012018852A1 (de) 2014-03-27

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