US20090155520A1 - Floor covering with viscoelastic dampening properties - Google Patents

Floor covering with viscoelastic dampening properties Download PDF

Info

Publication number
US20090155520A1
US20090155520A1 US12/251,013 US25101308A US2009155520A1 US 20090155520 A1 US20090155520 A1 US 20090155520A1 US 25101308 A US25101308 A US 25101308A US 2009155520 A1 US2009155520 A1 US 2009155520A1
Authority
US
United States
Prior art keywords
layer
planar element
floor covering
textile planar
polymer foam
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.)
Abandoned
Application number
US12/251,013
Other languages
English (en)
Inventor
Rolf Roers
Sebastien Triouleyre
Sven Meyer-Ahrens
Ralph Schneider
Semka Muratovic
Hans Johann Klunter
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.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
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
Priority claimed from DE200710049506 external-priority patent/DE102007049506B3/de
Priority claimed from DE200810046667 external-priority patent/DE102008046667A1/de
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Assigned to BAYER MATERIALSCIENCE AG reassignment BAYER MATERIALSCIENCE AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MURATOVIC, SEMKA, SCHNEIDER, RALPH, KLUENTER, HANS JOHANN, TRIOULEYRE, SEBASTIEN, MEYER-AHRENS, SVEN, ROERS, ROLF
Publication of US20090155520A1 publication Critical patent/US20090155520A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • 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
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
    • D06N7/0073—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing the back coating or pre-coat being applied as an aqueous dispersion or latex
    • 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
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
    • D06N7/0081—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing with at least one extra fibrous layer at the backing, e.g. stabilizing fibrous layer, fibrous secondary backing
    • 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
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0071—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing
    • D06N7/0086—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by their backing, e.g. pre-coat, back coating, secondary backing, cushion backing characterised by the cushion backing, e.g. foamed polyurethane
    • 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
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068—Polyurethanes
    • 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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/04—Foam
    • 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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/20—Cured materials, e.g. vulcanised, cross-linked
    • 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
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/065—Insulating
    • 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
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/067—Flame resistant, fire resistant
    • 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
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1628—Dimensional stability
    • 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
    • D06N2211/12—Decorative or sun protection articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23979—Particular backing structure or composition

Definitions

  • the present invention concerns a floor covering, comprising a first textile planar element and a first layer which is at least partially connected to the first textile planar element over their surfaces, wherein the first layer comprises viscoelastic polymer foam.
  • a floor covering comprising a first textile planar element and a first layer which is at least partially connected to the first textile planar element over their surfaces, wherein the first layer comprises viscoelastic polymer foam.
  • Such floor coverings may be, for example, carpets.
  • the present invention further concerns a method for manufacturing such a floor covering.
  • Carpets may be employed in a variety of uses. In private or commercial housing spaces they can be used for heat and acoustical insulation besides being used for decorative purposes.
  • One possibility to manufacture carpets is to anchor fibers in a carpet backing and then to subsequently back-foam the carpet backing on its rear side.
  • DE 33 13 624 A1 discloses a flexible polyurethane foam for acoustical insulation purposes, a method for its manufacture and the use thereof.
  • the described flexible polyurethane foam for acoustical insulation purposes with a density of less than 90 kg/m 3 and a modulus of elasticity of less than 106 N/m 2 has a loss factor of at least 0.3 and viscoelastic properties in a temperature range of ⁇ 20° C. to +80° C.
  • the flexible foam can be obtained by reacting an isocyanate with a polyol, wherein the polyol has at least one component with an OH number of 180 to 400.
  • the foam is especially suitable for the absorption and dampening of airborne sound and for the dampening of solid-borne sound.
  • the flexible polyurethane foam can be used for back-foaming the cowl or floor carpet of automobiles.
  • DE 39 42 330 A1 discloses a method for manufacturing flexible polyurethane soft foams with viscoelastic and solid-borne sound dampening properties in a temperature range of ⁇ 20° C. to +80° C. by reacting a) a polyoxyalkylene polyol mixture comprising ai) special block polyoxypropylene-polyoxyethylene polyol mixtures with a hydroxyl number from 14 to 65 and a content of terminally bound ethylene oxide units from 2 to 9 weight-%, which can themselves be obtained by using a starter mixture with an average functionality of 2.2 to 2.8, consisting of water and glycerine or trimethylol propane or of water and glycerine and trimethylol propane and aii) at least one di- or trifunctional polyoxypropylene polyoxyethylene polyol with a content of oxyethylene units from 60 to 85 weight-% relative to the total weight of polymerizable alkylene oxide units, and a hydroxyl number from 20 to 80; b) optionally low
  • the flexible polyurethane foams obtained by this method can be used in the household sector, for example in back-foaming of carpets for the dampening of foot fall sound, as interior linings and in the automotive industry for the dampening of solid-borne sound, for example for the encapsulation of the motor compartment or for preventing interior noise by using layers back-foamed with these foams.
  • Carpet backings for the carpets used in the automotive sector for noise dampening are generally of a stiff structure because a stepping through or sinking into the carpet is found to be undesirable.
  • the present invention has the object of overcoming at least one of the mentioned drawbacks in the art.
  • the invention has the object of providing such a carpet.
  • a floor covering comprising a first textile planar element and a first layer which is at least partially connected to the first textile planar element over their surfaces, wherein the first layer comprises viscoelastic polymer foam.
  • the floor covering according to the invention is characterized in that the first textile planar element has a modulus of elasticity of ⁇ 0.5 N/mm 2 to ⁇ 2.5 N/mm 2 , that in the first layer the viscoelastic polymer foam has a compression load deflection at 40% compression of ⁇ 1 kPa to ⁇ 10 kPa and that in the first layer the viscoelastic polymer foam has a hysteresis when determining the compression load deflection at 40% compression of ⁇ 20% to ⁇ 70%.
  • FIG. 1 shows a floor covering according to the invention.
  • FIG. 2 shows another floor covering according to the invention.
  • FIG. 3 shows another floor covering according to the invention.
  • FIG. 4 shows another floor covering according to the invention.
  • a floor covering not only means carpets, foot mats and the like, but is also to be understood as seating cushions for furniture or as mattresses.
  • the first textile planar element may, for example, be a woven fabric, a fibrous non-woven layer, a fleece or be knitted. Additionally, fibers may protrude from the first textile planar element, so that an assembly corresponding to a carpet backing is achieved. Furthermore, the textile may also be embedded in a polymer. The first textile planar element is connected to the first layer over their surfaces, meaning that the main surfaces of both are facing each other. In other words, the first textile planar element and the first layer are stacked on top of each other.
  • the first textile planar element has a modulus of elasticity of ⁇ 0.5 N/mm 2 to ⁇ 2.5 N/mm 2 .
  • This is to be understood as the modulus of elasticity for stretching along the direction of the plane of the planar element.
  • the modulus of elasticity can also be in a range from ⁇ 0.8 N/mm 2 to ⁇ 2.0 N/mm 2 or in a range from ⁇ 1.0 N/mm 2 to ⁇ 1.5 N/mm 2 .
  • the modulus of elasticity is determined using the norm DIN 53504/ISO 37. It may be provided that the first textile planar element, for example in the case of a knitted fabric, displays an elasticity of stretching the fabric and, after further elongation, an elasticity of the individual threads of the textile. In this case the selected modulus of elasticity according to the invention means the elasticity of stretching the fabric.
  • connection has the effect that mechanical forces, especially shear stress, are transferred from the first textile planar element to the first layer.
  • the connection can be a substance-to-substance connection, a force-fitting connection or a form-fitting connection.
  • suitable connections are adhesives, welding, back-foaming of the first textile planar layer with materials leading to the polymer foam, hook and loop fasteners, zippers, push buttons and/or sewing.
  • connection may be realized completely or also partially.
  • a partial connection can be achieved by selectively creating connection spots or by arranging them in a certain pattern.
  • the first layer comprises viscoelastic polymer foam.
  • the polymer foam may have a uniform density or the density may vary according to the location within the foam such as in integral foams. Examples for suitable polymer classes are polyurethane, polyethylene, polypropylene, polystyrene, acrylonitrile-butadiene-styrene (ABS) and polycarbonate or natural or synthetic latex.
  • the first layer may have, for example, a thickness of ⁇ 10 mm to ⁇ 60 mm, preferably of ⁇ 15 mm to ⁇ 30 mm.
  • the viscoelastic properties of the polymer foam in the first layer lead to a time-delayed entry of energy into the foam. They are firstly characterized in that the compression load deflection at 40% compression is from ⁇ 1 kPa to ⁇ 10 kPa. This compression load deflection can also be in the range of ⁇ 1.1 kPa to ⁇ 3 kPa or from ⁇ 1.2 kPa to ⁇ 2 kPa. Furthermore, the viscoelasticity of the polymer foam is characterized by a hysteresis when determining the compression load deflection at 40% compression of ⁇ 20% to ⁇ 70%. The hysteresis can also be in a range of ⁇ 30% to ⁇ 60% or from ⁇ 35% to ⁇ 50%
  • the compression load deflection or CLD is measured according to DIN EN ISO 3386-1-98 at 23° C. ⁇ 2° C., 50% ⁇ 5% relative humidity, 40% compression, 1. measurement cycle.
  • the CLD is given in kPa (kilopascal).
  • the hysteresis in percent is also measured according to DIN EN ISO 3386-1-98. It is calculated from the quotient of the area enclosed between the characteristic curves for stress and recovery, multiplied by 100.
  • the hysteresis number gives an information about the ratio of applied and dissipated energy. Small hysteresis numbers, such as around 5%, indicate predominantly elastic behavior. Large hysteresis numbers, such as around 90%, indicate predominantly viscous (plastic) behavior.
  • the viscoelastic polymer foam may be characterized in that the foam has an impact resilience, measured according to DIN EN ISO 8307, of ⁇ 1% to ⁇ 15%. This impact resilience may also be in a range of ⁇ 3% to ⁇ 10% or from ⁇ 5% to ⁇ 9%.
  • the viscoelastic polymer foam may also have a density according to DIN EN ISO 3386-1-98 of ⁇ 45 kg/m 3 to ⁇ 120 kg/m 3 , preferably of ⁇ 50 kg/m 3 to ⁇ 70 kg/m 3 , a tensile strength according to DIN EN ISO 1798-1-00 of ⁇ 50 kPa to ⁇ 90 kPa, an elongation according to DIN EN ISO 1798-1-00 of ⁇ 150% to ⁇ 210%, a compression set under dry conditions according to DIN EN ISO 1856-2000 of ⁇ 2% to ⁇ 5% and a compression set at 75% compression and 95% humidity according to DIN EN ISO 1856-96 of ⁇ 2% to ⁇ 5%.
  • the comfortable sensation when walking over the floor covering is effected by the selected combination of the elasticity of the first textile planar element and the viscoelasticity of the polymer foam layer.
  • a person walks over the floor covering according to the invention.
  • the foot with its heel or the shoe heel is placed on the floor covering. This is accompanied by a high pressure on the covering. Due to the elasticity of the first textile planar element this concentrated load is absorbed.
  • the person performs a rolling motion with the foot until the entire foot stands on the floor covering. This rolling motion is dampened by the viscoelastic polymer foam of the first layer.
  • the foot performs another rolling motion until the ball of the foot or the tip of the toe are left touching the floor covering.
  • the mechanical forces are dampened or transmitted back, respectively.
  • the end result is a comfortable feeling when walking, which also does not lead to tiring due to a too soft floor.
  • the floor covering is also protected by the elastic first textile planar element so that particularly the first layer with the polymer foam is not damaged during walking over it.
  • the viscoelastic polymer foam of the first layer is a polyurethane foam.
  • Polyurethanes are especially suited for the polymer foam layer according to the invention because their viscoelasticity can be tuned over a wide range.
  • the monomers of the polyurethane foam can be selected from the group comprising polyether polyols and/or polyester polyols or their mixtures and at least difunctional isocyanates from the groups of aliphatic or aromatic isocyanates and generally known adjuvants, catalysts and stabilizers. Examples for this are given in the patent documents already cited or also in EP 0 331 941 A1.
  • the viscoelastic polymer foam of the first layer is a cross-linked frothed foam from synthetic or natural latex.
  • the material of the first textile planar element comprises polyurethane and/or thermoplastic polyurethane.
  • connection between the first textile planar element and the first layer is effected by an elastomeric adhesive.
  • suitable adhesives are one and two component polyurethane adhesives.
  • Such one component adhesives comprise isocyanate containing prepolymers which cure under the influence of moisture.
  • the corresponding two component adhesives comprise a polyol component and an isocyanate component and are mixed prior to application.
  • the cured adhesive layer has a modulus of elasticity, determined according to DIN EN ISO 527, of ⁇ 100 MPa to ⁇ 1500 MPa, of ⁇ 300 MPa to ⁇ 1000 MPa or of ⁇ 500 MPa to ⁇ 800 MPa.
  • Using an elastomeric adhesive allows for a simple manufacturing of the floor covering according to the invention from separately available parts. Additionally, the desired effect according to the invention when walking over the floor covering is also given due to the elasticity.
  • fibers penetrate the first textile planar element and into the first layer and the fibers are anchored in the first layer by an elastomeric adhesive. These fibers lead to an additional strengthening of the connection between the first textile planar element and the first layer. This increases the resilience to shear stresses.
  • Suitable according to the invention are especially elastomeric one and two component polyurethane adhesives.
  • the fibers may also protrude externally from the first textile planar element and constitute the stepping surface of the floor covering.
  • the fibers may be incorporated into the first textile planar element by methods such as tufting.
  • the first layer additionally comprises an embedded second textile planar element which has a modulus of elasticity of ⁇ 1000 N/mm 2 to ⁇ 2000 N/mm 2 .
  • This is to be understood as the modulus of elasticity for stretching along the direction of the plane of the planar element.
  • the modulus of elasticity is determined using the norm DIN 53504/ISO 37. It also be in a range of ⁇ 1200 N/mm 2 to ⁇ 1800 N/mm 2 or of ⁇ 1400 N/mm 2 to ⁇ 1600 N/mm 2 .
  • the second textile planar element may, for example, be a woven fabric, a fibrous non-woven layer, a fleece or be knitted.
  • it is oriented to the first layer with its surface, meaning that the two major surfaces of second textile planar element and first layer are facing each other.
  • the second textile planar element may in general be located at any height within the first layer, it is advantageous if it is located at the lower end of the first layer, towards the floor.
  • the incorporation of a second textile planar element with elastic properties selected according to the invention has the effect that the horizontal tearing strength of the floor covering is increased. Furthermore, the introduction of a comparatively high horizontal modulus of elasticity serves to increase the horizontal dimensional stability of the floor covering.
  • the second textile planar element may be connected to the first layer in a form-fitting connection, in a substance-to-substance connection or it may be integrated into the foam of the first layer.
  • the floor covering further comprises a second layer arranged on the side of the first layer which is opposite to the first textile planar element and which is at least partially, for example via substance-to-substance, connected to the first layer, wherein the second layer comprises polymer foam which has a compression load deflection at 40% compression of ⁇ 15 kPa to ⁇ 150 kPa.
  • a substance-to-substance connection may be realized by an adhesive or by welding. Suitable according to the invention are elastomeric one and two component polyurethane adhesives.
  • the second layer may, for example, have a thickness of ⁇ 10 mm to ⁇ 40 mm, preferred of ⁇ 15 mm to ⁇ 30 mm.
  • a polymer foam with the above mentioned compression load deflections may be a flocculated polyurethane foam.
  • the polymer foam may also have a density according to DIN EN ISO 3386-1-98 of ⁇ 60 kg/m 3 to ⁇ 200 kg/m 3 , a tensile strength according to DIN EN ISO 1798-1-00 of ⁇ 40 kPa to ⁇ 150 kPa and an elongation according to DIN EN ISO 1798-1-00 of ⁇ 40% to ⁇ 90%.
  • the high compression load deflections and restoring forces are employed and a stiffer layer on the floor side of the floor covering is provided. This has the advantage that the heel of the foot or of the shoe is supported better when stepping on the floor covering. The comfort is increased when walking over the floor covering while at the same time the thickness of the first layer can be kept low.
  • An additional advantage is cost savings due to the use of the cheaper flocculated foam.
  • the above mentioned floor covering comprising the second layer it further comprises a third textile planar element which has a modulus of elasticity of ⁇ 1000 N/mm 2 to ⁇ 2000 N/mm 2 , wherein the third textile planar element is arranged on the side of the second layer which is opposite to the first layer and wherein the third textile planar element is at least partially connected to the second layer.
  • the mentioned modulus is to be understood as the modulus of elasticity for stretching along the direction of the plane of the planar element.
  • the modulus of elasticity is also determined using the norm DIN 53504/ISO 37. It also be in a range of ⁇ 1200 N/mm 2 to ⁇ 1800 N/mm 2 or of ⁇ 1400 N/mm 2 to ⁇ 1600 N/mm 2 .
  • the third textile planar element may, for example, be a woven fabric, a fibrous non-woven layer, a fleece or be knitted.
  • the second layer is located on the side of the first layer which is opposite to the first textile planar element and if the second layer is at least partially connected to the first layer by a substance-to-substance connection.
  • the third textile planar element is located on the side of the second layer which is opposite to the first layer and if it is at least partially connected to the second layer.
  • the arrangement of this embodiment has the advantage that that the horizontal tearing strength of the floor covering is increased. Furthermore, the introduction of a comparatively high horizontal modulus of elasticity serves to increase the horizontal dimensional stability of the floor covering.
  • the third textile planar element may be connected to the second layer in a form-fitting connection or in a substance-to-substance connection. Additional advantages are cost savings due to the use of the cheaper flocculated foam.
  • the floor covering further comprises microencapsulated fragrances.
  • Microencapsulated fragrances in the meaning of the present invention are substances in pure form, in solution or in mixtures which stimulate the sense of smell in a person and which are contained in capsules.
  • the capsules have a maximum dimension of ⁇ 1 ⁇ m to ⁇ 1 mm, preferably of ⁇ 10 ⁇ m to ⁇ 100 ⁇ m.
  • the microencapsulated fragrances may be incorporated into the first layer, into the first textile planar element and/or in optionally present fibers which protrude from the first textile planar element, for example as carpet tufting.
  • the capsules are destroyed and the fragrances are released. This creates a pleasant sensation in the respective persons and additionally contributes to the comfortable impression of the floor covering.
  • a further aspect of the invention is a method for manufacturing a floor covering according to the invention, comprising the step of back-foaming the first textile planar element with a reaction mixture leading to the polymer foam of the first layer.
  • the reaction mixture comprises a polyol and an isocyanate. Therefore a viscoelastic polyurethane foam is formed during back-foaming.
  • the monomers of the polyurethane foam may be selected from the group comprising polyether polyols and/or polyester polyols or their mixtures and at least difunctional isocyanates from the groups of aliphatic or aromatic isocyanates, furthermore conventional adjuvants, catalysts and stabilizers. Examples are given in the already cited patent documents or also in EP 0 331 941 A1.
  • the reaction mixture comprises a prepolymer and water.
  • Suitable prepolymers are especially obtained on the basis of di- or polyisocyanates and polyols.
  • FIG. 1 shows a floor covering according to the invention.
  • the first layer 1 comprises a viscoelastic polymer foam. With its lower side this layer 1 lies on the floor.
  • the first textile planar element 2 is located on top of the layer 1 .
  • a substance-to-substance connection joins the first layer 1 and the first textile planar element 2 .
  • fibers 3 protrude outwards. The fibers 3 penetrate through the first textile planar element and extend into the first layer 1 with their lower end.
  • the fibers are anchored to the first layer 1 by an elastomeric adhesive (not shown). By this the fibers cannot be torn out of the floor covering during use.
  • FIG. 2 shows another floor covering according to the invention.
  • the first layer 1 located towards the floor now comprises a second textile planar element 2 .
  • this is depicted as a woven fabric.
  • the second textile planar element 4 is located in the lower end of the first layer 1 .
  • fibers 3 are incorporated which cover the surface of the floor covering. Due to its elasticity, the second textile planar element can absorb mechanical forces that arise from walking over the floor covering which are not absorbed or dampened by the first textile planar element 2 and the layer with viscoelastic polymer 1 .
  • FIG. 3 shows another floor covering according to the invention. Beneath the first layer 1 a second layer 5 is located. This second layer comprises a polymer foam.
  • the polymer foam has a higher compression load deflection and restoring forces than the viscoelastic polymer foam of the first layer 1 . By this mechanical forces can be absorbed that arise from walking over the floor covering which are not absorbed or dampened by the first textile planar element 2 and the layer with viscoelastic polymer 1 .
  • FIG. 4 shows another floor covering according to the invention.
  • This second layer 5 comprises a polymer foam.
  • the polymer foam has a higher compression load deflection and restoring forces than the viscoelastic polymer foam of the first layer 1 .
  • the third textile planar element 6 comprises a woven fabric.
  • the third textile planar element 6 and the second layer 5 allow for mechanical forces that arise from walking over the floor covering to be absorbed which are not absorbed or dampened by the first textile planar element 2 and the layer with viscoelastic polymer 1 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)
  • Carpets (AREA)
US12/251,013 2007-10-15 2008-10-14 Floor covering with viscoelastic dampening properties Abandoned US20090155520A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200710049506 DE102007049506B3 (de) 2007-10-15 2007-10-15 Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
DE102007049506.6 2007-10-15
DE200810046667 DE102008046667A1 (de) 2008-09-10 2008-09-10 Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
DE102008046667.0 2008-09-10

Publications (1)

Publication Number Publication Date
US20090155520A1 true US20090155520A1 (en) 2009-06-18

Family

ID=40174792

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/251,013 Abandoned US20090155520A1 (en) 2007-10-15 2008-10-14 Floor covering with viscoelastic dampening properties

Country Status (4)

Country Link
US (1) US20090155520A1 (ru)
EP (1) EP2050865B1 (ru)
JP (1) JP2009215870A (ru)
RU (1) RU2429320C2 (ru)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110143083A1 (en) * 2009-12-04 2011-06-16 MindsInSync, Inc. Cushioned absorbent mat
CN102516746A (zh) * 2011-11-29 2012-06-27 陕西长美科技有限责任公司 轨道交通弹性体夹心泡沫垫板
US9873963B2 (en) 2014-03-17 2018-01-23 Mindsinsync Inc. Spacer mesh mat base
US10166737B2 (en) * 2016-02-05 2019-01-01 Daesol Ausys Co., Ltd. Load floor having sound absorption and insulation performances for vehicle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011131708A1 (de) * 2010-04-20 2011-10-27 Vorwerk & Co. Interholding Gmbh Belagelement
EP3274388B1 (en) * 2015-03-23 2020-09-23 Dow Global Technologies LLC Appliances having sound and thermal insulation based on viscoelastic polyurethane
DE102021101921A1 (de) * 2021-01-28 2022-07-28 Adler Pelzer Holding Gmbh Schallisolierung mit mehrschichtiger Faser-Isolation; und Verfahren zu deren Herstellung

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579764A (en) * 1984-06-27 1986-04-01 Collins & Aikman Corporation Molded carpet assembly with sound deadening foam backing
US5063253A (en) * 1988-03-01 1991-11-05 Bayer Aktiengesellschaft Process for the production of cold-setting flexible polyurethane foams with excellent damping properties
US5420170A (en) * 1989-12-21 1995-05-30 Basf Aktiengesellschaft Preparation of flexible, soft polyurethane foams having viscoelastic, structure-borne soundproofing properties, and polyoxyalkylene-polyol mixtures which can be used for this purpose
US6316514B1 (en) * 1999-05-29 2001-11-13 Basf Aktiengesellschaft Production of sound-damping and energy-absorbing polyurethane foams
US6337356B1 (en) * 1999-05-29 2002-01-08 Basf Aktiengesellschaft Production of sound-absorbing polyurethane foams having an adhesive surface
US6790520B1 (en) * 1997-11-12 2004-09-14 Collins & Aikman Products Co. Vibration dampening laminate
US20050038133A1 (en) * 2003-06-26 2005-02-17 Neff Raymond A. Viscoelastic polyurethane foam
US20070271705A1 (en) * 2003-11-12 2007-11-29 Lancastria Limited Laminated Support
US7338698B1 (en) * 1997-02-28 2008-03-04 Columbia Insurance Company Homogeneously branched ethylene polymer carpet, carpet backing and method for making same
US20080194718A1 (en) * 2005-05-23 2008-08-14 Basf Aktiengesellschaft Method For Producing Viscoelastic Polyurethane-Soft Foam Materials
US20080300335A1 (en) * 2005-12-05 2008-12-04 Basf Se Process For Producing Viscoelastic Polyurethane Foams
US20090311933A1 (en) * 2005-04-28 2009-12-17 Kaneka Corporation Flame-retardant low-resilience urethane foam cushion
US20100227938A1 (en) * 2006-01-27 2010-09-09 Basf Se Method for the production of open-cell viscoelastic soft polyurethane foams

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313624C2 (de) 1983-04-12 1986-04-03 Teroson Gmbh, 6900 Heidelberg Polyurethanweichschaumstoff sowie dessen Verwendung
JPH04174163A (ja) * 1989-10-18 1992-06-22 Toray Ind Inc 置敷きタイル状繊維床材
JPH0454908A (ja) * 1990-06-22 1992-02-21 Mazda Motor Corp 樹脂製シートバックフレーム
JPH0484908A (ja) * 1990-07-27 1992-03-18 Toray Ind Inc カーペット
JPH04105612A (ja) * 1990-08-24 1992-04-07 Toray Ind Inc 易敷設性タイル状繊維床材およびその製造方法
JPH04105613A (ja) * 1990-08-24 1992-04-07 Toray Ind Inc 易施工性タイル状繊維床材及びその製造方法
JPH04119842A (ja) * 1990-09-11 1992-04-21 Toray Ind Inc タイル状繊維敷物
JPH05248075A (ja) * 1991-09-30 1993-09-24 Matsushita Electric Works Ltd 防音床
US20020119280A1 (en) * 2000-02-25 2002-08-29 Higgins Kenneth B. Adhesive-free carpet tiles and carpet tile installations
DE10244215A1 (de) * 2002-09-23 2004-04-01 Bayer Ag Ausrüstungssystem für textile Substrate
US20040253410A1 (en) * 2003-04-25 2004-12-16 Higgins Kenneth B. Surface covering
JP2005273287A (ja) * 2004-03-25 2005-10-06 Ikehiko Corporation 敷物用部材、敷物用芯材及び置き畳

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579764A (en) * 1984-06-27 1986-04-01 Collins & Aikman Corporation Molded carpet assembly with sound deadening foam backing
US5063253A (en) * 1988-03-01 1991-11-05 Bayer Aktiengesellschaft Process for the production of cold-setting flexible polyurethane foams with excellent damping properties
US5420170A (en) * 1989-12-21 1995-05-30 Basf Aktiengesellschaft Preparation of flexible, soft polyurethane foams having viscoelastic, structure-borne soundproofing properties, and polyoxyalkylene-polyol mixtures which can be used for this purpose
US7338698B1 (en) * 1997-02-28 2008-03-04 Columbia Insurance Company Homogeneously branched ethylene polymer carpet, carpet backing and method for making same
US7357971B2 (en) * 1997-02-28 2008-04-15 Columbia Insurance Company Homogenously branched ethylene polymer carpet backsizing compositions
US6790520B1 (en) * 1997-11-12 2004-09-14 Collins & Aikman Products Co. Vibration dampening laminate
US6316514B1 (en) * 1999-05-29 2001-11-13 Basf Aktiengesellschaft Production of sound-damping and energy-absorbing polyurethane foams
US6337356B1 (en) * 1999-05-29 2002-01-08 Basf Aktiengesellschaft Production of sound-absorbing polyurethane foams having an adhesive surface
US20050038133A1 (en) * 2003-06-26 2005-02-17 Neff Raymond A. Viscoelastic polyurethane foam
US20070271705A1 (en) * 2003-11-12 2007-11-29 Lancastria Limited Laminated Support
US20090311933A1 (en) * 2005-04-28 2009-12-17 Kaneka Corporation Flame-retardant low-resilience urethane foam cushion
US20080194718A1 (en) * 2005-05-23 2008-08-14 Basf Aktiengesellschaft Method For Producing Viscoelastic Polyurethane-Soft Foam Materials
US20080300335A1 (en) * 2005-12-05 2008-12-04 Basf Se Process For Producing Viscoelastic Polyurethane Foams
US20100227938A1 (en) * 2006-01-27 2010-09-09 Basf Se Method for the production of open-cell viscoelastic soft polyurethane foams

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110143083A1 (en) * 2009-12-04 2011-06-16 MindsInSync, Inc. Cushioned absorbent mat
CN102516746A (zh) * 2011-11-29 2012-06-27 陕西长美科技有限责任公司 轨道交通弹性体夹心泡沫垫板
US9873963B2 (en) 2014-03-17 2018-01-23 Mindsinsync Inc. Spacer mesh mat base
US10166737B2 (en) * 2016-02-05 2019-01-01 Daesol Ausys Co., Ltd. Load floor having sound absorption and insulation performances for vehicle

Also Published As

Publication number Publication date
EP2050865A1 (de) 2009-04-22
RU2008140630A (ru) 2010-04-20
EP2050865B1 (de) 2014-11-26
JP2009215870A (ja) 2009-09-24
RU2429320C2 (ru) 2011-09-20

Similar Documents

Publication Publication Date Title
US20090155520A1 (en) Floor covering with viscoelastic dampening properties
TW539620B (en) Textile product and method
WO2006006454A1 (ja) 靴内部材および靴中敷きおよび長靴
US5658637A (en) Floor mat
US6915598B2 (en) Insole with arch spring
KR100700230B1 (ko) 폴리우레탄 재질의 성형체 및 이의 제조방법
US5183438A (en) Sports floor
US20080271340A1 (en) Gel Insole
US3116196A (en) Combination pad and insulator for cushions
KR20070092204A (ko) 폴리에테르 블록 아미드 발포체
US20040102120A1 (en) Plastic floor covering and method for obtaining same
EP1497115B1 (en) Durable, liquid impermeable and moisture vapor permeable carpet pad
CN102317068B (zh) 泡沫层压产品以及其生产方法
CA2579264A1 (en) Composite article
JP4641711B2 (ja) 衝撃緩衝性発泡体
CN101413217B (zh) 具有粘弹阻尼性能的地板覆盖物
JP2012205665A (ja) 靴用インソール
TWI802219B (zh) 熱塑性聚胺酯泡沫體及包含其的抗衝擊複合層
JP5759539B2 (ja) 使用済みカーペット繊維を用いるポリウレタンフォーム床材製造物の作製方法
JPH10140806A (ja) パネル状クッション床材
JP2004083884A (ja) 液状樹脂不透過性ポリウレタンフォーム、その積層品及び防音床材
KR20100024109A (ko) 충격 감소 부재
KR20110097451A (ko) 폴리우레탄 발포 성형물과 직물을 이용한 다용도 쿠션부재의 제조방법 및 그 제조방법에 의한 다용도 쿠션패드
JP2016155295A (ja) 軟質複合体
JP2004218219A (ja) 機能性に優れた床材及びマットレス

Legal Events

Date Code Title Description
AS Assignment

Owner name: BAYER MATERIALSCIENCE AG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROERS, ROLF;TRIOULEYRE, SEBASTIEN;MEYER-AHRENS, SVEN;AND OTHERS;REEL/FRAME:022344/0586;SIGNING DATES FROM 20090107 TO 20090217

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION