WO2003059616A1 - Articles recyclables pour interieurs de vehicules et procedes de fabrication - Google Patents

Articles recyclables pour interieurs de vehicules et procedes de fabrication Download PDF

Info

Publication number
WO2003059616A1
WO2003059616A1 PCT/US2002/032710 US0232710W WO03059616A1 WO 2003059616 A1 WO2003059616 A1 WO 2003059616A1 US 0232710 W US0232710 W US 0232710W WO 03059616 A1 WO03059616 A1 WO 03059616A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
layer
polypropylene
percent
vehicle interior
Prior art date
Application number
PCT/US2002/032710
Other languages
English (en)
Inventor
Girma Gebreselassie
Matt Starling
Surendra Khambete
Graham Tompson
Original Assignee
Collins & Aikman Products Co.
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 US10/041,223 external-priority patent/US6710133B2/en
Application filed by Collins & Aikman Products Co. filed Critical Collins & Aikman Products Co.
Priority to AU2002334996A priority Critical patent/AU2002334996A1/en
Publication of WO2003059616A1 publication Critical patent/WO2003059616A1/fr

Links

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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners

Definitions

  • the present invention relates generally to vehicles and, more particularly, to vehicle interior trim articles.
  • vehicle interior articles such as floor coverings, instrument panel skins, door panel skins, consoles, and pillars, etc.
  • vehicle interior articles such as floor coverings, instrument panel skins, door panel skins, consoles, and pillars, etc.
  • vehicle interior articles Due to increasing federal environmental regulations and decreasing availability of landfill space, there is increased interest in recycling post-consumer products such as vehicle interior trim panels.
  • many conventional vehicle interior articles are formed from non-recyclable materials such as thermosetting resins, which cannot be re-melted and reused.
  • recyclable vehicle interior articles that have durable, tough surfaces, that are impervious to water and most chemicals, and that are designed to be scratch and mar resistant.
  • recyclable vehicle interior articles that can reduce external noises (e. g. , road noise, engine noise, vibrations, etc.), as well, as noises emanating from within passenger compartments, while also being lightweight and low in cost.
  • vehicle interior articles for use in a variety of interior trim applications (e. g. , floor. coverings, instrument panel, skins, door panel skins, consoles, and pillars, etc.), and methods of producing same, are provided.
  • vehicle interior articles include a top layer of recyclable polymeric material and a backing layer bonded to the top layer in face-to-face relationship.
  • the top layer includes a blend of various recyclable . . polymeric materials and has a thickness of between about 1.6 mm and about 2.0 mm.
  • the top layer includes an interpolymer component, having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component,, a polypropylene component, a limestone component, and barium sulfate component .
  • Various additipnal. components - . including distilled petroleum produces,, zinc stea ⁇ te, ⁇ pigments, and regrind/recycle materials may also be used.
  • vehicle interior articles include a top layer of recyclable polymeric material and a backing layer attached to the top layer in face-to-face relationship.
  • the top layer includes first and second layers of recyclable polymeric material adhered together in face- to-face relationship.
  • the first layer includes a first interpolymer component having a composition of about twenty to forty percent (20% - 40%) ethylene and about " sixty to eighty percent (60% - 80%) .aromatic vinyl monomer, a second interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, a polyethylene polymer component, and a silicone component.
  • the second layer includes an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene copolymer component, a polypropylene component, and a limestone component.
  • the first layer has a thickness of between about 0.75 mm and about 1.0 mm.
  • the second layer has a thickness of between about 1.0 mm and about 1.25 mm.
  • the top layer has a thickness of between . about 1.75 mm and about 2.25 mm.
  • Vehicle interior articles according to embodiments of the present inventio may be used in a . wide variety of vehicle applications including, but not limited to floor coverings, instrument panel skins, door panel skins, consoles, and pillars, etc.
  • Vehicle trim panels embodying aspects of the present invention are thinner in cross . section and, thu ....s., .are - l fig trrh -ter in weight than conventional vehicle trim panels.
  • trim
  • X ⁇ • ⁇ • panels according to embodiments of the present invention can achieve various performance characteristics including wear resistance, sound absorption, colorability, etc., that are superior . to conventional vehicle trim panels. Moreover, vehicle trim ' panels, according to embodiments of the present invention are environmentally friendly in that they can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS
  • Fig. 1A is a partial cross-sectional view of a vehicle interior trim panel, according to embodiments of the present invention, that includes a top layer of recyclable polymeric material and a backing layer bonded to the top layer in face-to-face relationship.
  • Fig. IB is. a partial cross-sectional view of the vehicle interior trim, panel of Fig. 1A, wherein.the top layer comprises first and second layers of recyclable polymeric material, according to embodiments of the present invention.
  • Fig. . 2A is a partial cross-sectional view of a vehicle interior trim panel, according to embodiments of the present invention, that includes a top layer of recyclable polymeric material that comprises first and second layers of recyclable polymeric material, a middle layer of recyclable polymeric material, and a backing layer that are bonded together in face-to-face, relationship.
  • Fig. 2B is a partial cross-sectional view of the vehicle interior trim panel of Fig. 2A, wherein the top layer comprises first and second layers of recyclable polymeric material, according to-ambodimenfe*S" of the ' present invention.
  • Figs. 3-6 are schematic diagrams that illustrate methods of producing vehicle interior trim panels according to embodiments of the present invention.
  • Embodiments of the present invention provide sound attenuating composite articles for use in various applications, particularly automotive applications.
  • Exemplary automotive applications within which sound attenuating composite articles according to embodiments t> of the present invention may be utilized include, but are not limited to, carpeting for floors, door panels, and other interior portions, and upholstery for various interior portions, such as headliners, dashboards, etc.
  • the attenuation of external noise is conventionally referred to as sound transmission loss (STL) .
  • the attenuation of internal noise is conventionally referred to as sound absorption.
  • the acoustic impedance of a ⁇ material is defined as material density times acoustic velocity, and is expressed in units of Rayls (Newton- seconds/meter 3 ) .
  • Acoustic impedance defines how easy it is for air to move through a material.
  • acoustic impedance depends upon the density of the fibrous material and fiber diameter. Generally, the heavier the blanket and the finer the fibers, the higher the acoustic impedance. Moreover, thicker layers typically have more acoustic impedance than thin layers.
  • the ability of a material to attenuate noise is conventionally defined by the material's STL, acoustic impedance,, and absorption characteristics.
  • aromatic vinyl monomer is to' be broadly interpreted and includes, for example, aryl and heterocyclic monomers.
  • exemplary aromatic vinyl monomers which may be employed include, for example, styrene and styrene derivatives such as alpha-methyl styrene, p- methyl styrene, vinyl toluene, ethylstyrene, tert-butyl .
  • the aromatic vinyl monomer may be used in an amount, based on total weight of the monomers, preferably from about five to fifty . percent (5% - 50%) by weight, and most. preferably; ⁇ rom ⁇ .about ten to forty percent (10% - 40%) by weight.
  • a particularly preferred aromatic vinyl monomer is styrene .
  • a vehicle interior article 10 includes a top layer 12 of recyclable polymeric material and a backing layer 14 bonded to the top layer 12 in face-to-face .relationship.
  • the top layer 12 and backing layer 14 may be bonded or attached together in various ways, such as via adhesives, heat, extrusion, molding, etc.
  • the interior article 10 may be used in various vehicle interior applications including, but not limited to floor coverings, instrument panel skins, door panel skins, consoles, and pillars, etc.
  • the top layer 12 includes a blend of various recyclable polymeric materials and has a thickness of between about 1.6 mm and about 2.0 mm.
  • the top layer includes an interpolymer component having -a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 4.0%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, a filler component ( e . g. , limestone and/or barium sulfate) .
  • Various additional components including distilled petroleum products, dispersing agents (e . g. , zinc stearate) , pigments, and regrind/recycle materials may also be used.
  • Preferable material compositions and quantities for the top layer 12 that can be utilized in accordance with embodiments of the present invention are set forth in Table 1 below.
  • An interpolymer used in accordance with embodiments of the. present invention has good filler absorption characteristics.
  • a polypropylene copolymer used in accordance with embodiments of the present invention enhances low temperature performance and allows the top layer 12 to pass various low temperature flexibility requirements.
  • the polypropylene/ethylene copolymer can also improve shrinkage characteristics of the top layer 12 which enhances the ability to b easily thermoformable .
  • a polypropylene according to embodiments of the present invention has a melt index of 12 and works in conjunction with the other polypropylene components to achieve desired hardness and elasticity of the top layer 12.
  • Limestone is used as a low cost filler and barium sulfate is used to increase specific gravity, which enhances sound attenuation characteristics of "the top layer 12. Barium sulfate also increases resistance to tear, elongation, scuff, and abrasion.
  • Other fillers known to. those skilled in the art may be ised.
  • Shellflex 6702 acts as a lubricant in machinery processing the top layer composition and facilitates compounding.
  • Zinc stearate is used to improve filler dispersion and can also increase surface resistance to scuffing.
  • Various polypropylene-based pigments are utilized to produce desired colors. Regrind/recycle material can be used, but is kept separate by color to prevent contamination.
  • the backing layer 14 is a normal filled material.
  • a vehicle interior article 10 includes a top layer of recyclable polymeric material and a backing layer 14 attached to the top layer 12' in face-to-face relationship.
  • the top layer 12' includes first and second layers 16, 18 of recyclable polymeric material adhered together in face-to-face relationship.
  • the interior article 10" may be used in
  • the first layer 16 includes 'a first interpolymer component having a composition of about
  • the first layer 16 has a thickness of between about 0.75 mm and about 1.0 mm.
  • the second layer 18, includes an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene copolymer component, a polypropylene component, and a limestone component.
  • the second layer 18. has a thickness of between about 1.0 mm. and about 1.25 mm. Accordingly, the top layer 12' has a thickness of between about 1.75 mm and about 2.25 mm.
  • Exemplary material compositions and quantities . for the second layer 18 that can be utilized in accordance with embodiments of the present invention are set forth in Table 3 below.
  • the top layer 12 ' can provide increased cost benefits in materials as well as improving abrasion and scuff performance versus the single top layer construction of Fig. 1A.
  • the material in the first and s.econd layers 16, 18 is fully recyclable and can be colored at a lower cost since the first layer 16 is thin and contains no fillers .
  • the use of a first layer 16 also, allows for the omission barium sulfate from the formula.
  • the backing layer 14 in Figs. 1A-1B may be an open cell material, such as would be known to those . skilled in the art.
  • the backing layer 14 in Figs. 1A-1B may ' be a polypropylene foam sheet.
  • a vehicle interior article 110 includes a top layer 12 of recyclable polymeric material, a middle layer 20 of ' recyclable polymeric material bonded to the "" top layer *" l2 in face-to- face relationship, and a bottom layer 22 of recyclable polymeric material bonded to the middle layer 14 in face- to-face relationship.
  • the top, middle, and bottom layers 12, 20, 22 may be bonded together in various ways, such as via adhesives, heat, extrusion, molding, etc.
  • the top layer 12 includes a blend of various recyclable polymeric materials and has a thickness of between about 1.6 mm and about 2.0 mm.
  • the top layer includes. an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, a limestone component, and barium sulfate component.
  • Various additional components including distilled petroleum products, zinc stearate, pigments, and regrind/recycle materials may also be used. Exemplary material compositions and quantities for the .
  • a vehicle interior article 110 ⁇ includes a top layer 12 * of recyclable polymeric material, a middle layer 20 of recyclable polymeric material bonded to the top layer 12 in face-to- face relationship, and a bottom layer 22 of recyclable polymeric material bonded to the middle layer 14 in face- to-face_ relationship.
  • the top, middle, and bottom layers 12', 20, 22 may be bonded together in various ways, such as via adhesives, heat, extrusion, molding, etc.
  • the top layer 12 ' includes first and second layers 16, 18 of recyclable polymeric ' material adhered ' together in face-to-face relationship.
  • the first layer 16 includes a first interpolymer component having a composition of about twenty to forty percent (20% - 40%) ethylene and about- sixty to eighty percent (60% - 80%) aromatic vinyl monomer, a second interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, a polyethylene polymer component, and a silicone component.
  • the first layer 16, has a thickness of between about 0.75 mm and about 1.0 mm.
  • the second layer 18 includes an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, and a limestone component.
  • the second layer 18 has a thickness of between about 1.0 mm and about 1.25 mm. Accordingly, the top layer 12" has a thickness of between about 1.75 mm and about 2.25 mm.
  • the middle layer 20 may be .
  • the bottom layer 22 may be a polypropylene filled reinforced substrate.
  • a schematic diagram is provided that illustrates methods of producing a vehicle i ' interior trim panel according to embo ⁇ iments of the present invention.
  • a top layer of recyclable polymeric material having a thickness of between about
  • an interpolymer component having a composition of about sixty to eighty percent (60% -
  • ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer a polypropylene/ethylene copolymer component, a polypropylene component, a filler component ⁇ e.g. , limestone and/or barium sulfate), distilled petroleum products, a dispersion agent, pigments, and regrind/recycle materials may (Block 500) .
  • Exemplary material compositions and quantities for the top layer 12 that can be utilized in accordance with embodiments of the present invention are set forth in Table 1 above.
  • a backing layer is bonded to the top layer of recyclable polymeric material in face-to-face contacting relationship therewith (Block 510) .
  • the backing layer may be formed from various materials including, but not limited to, polypropylene foam sheet material, and open cell materials.
  • the bonded top and backing layers are then formed into a desired shape (Block 520) using any of various known techniques, such as compression molding or vacuum forming.
  • a schematic diagram is provided that. illustrates methods of producing. a vehicle . interior trim panel according to other embodiments of the present invention.
  • a top layer of recyclable polymeric material having a thickness of between about 1.6 mm and about 2.0 mm and having the following components is provided: an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer,- a polypropylene/ethylene " ' copolymer component, a polypropylene' component, a filler * ' component (e. g.
  • top layer 12 Exemplary material compositions and quantities for the top layer 12 that can be utilized in accordance with embodiments of the present invention are set forth in Table 1 above.
  • a middle layer of material is bonded to the top layer of recyclable polymeric material in face-to-face contacting relationship therewith (Block 610) .
  • the middle layer may be formed from various materials including, but not .limited to, polypropylene foam sheet material, and
  • a reinforced polypropylene substrate is then attached to the backing layer in face-to-face • contacting relationship therewith (Block 620) .
  • the combined top layer, middle layer, and substrate are then formed into a desired shape (Block 630) using any of various known techniques, such as compression molding or vacuum forming.
  • a top layer is formed from first and second layers of- recyclable polymeric material, which are bonded together in face-to-face relationship (Block ' 700) .
  • the first layer of recyclable polymeric • material includes a first interpolymer component having a composition of about twenty to forty percent (20% - 40%) ethylene and about sixty to eighty percent (60% - 80%) aromatic vinyl monomer, a second interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a .
  • the first layer has . a thickness of between about 0.75 mm and about 1.0 mm.
  • Exemplary material compositions and quantities for the first layer that can be utilized in . accordance with embodiments of the present invention are set forth in Table 2 above.
  • the second layer of recyclable polymeric . material includes an interpolymer component having a composition of about sixty to eighty percent (60%- - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene copolymer component, a polypropylene component, and a limestone component.
  • the second layer has a thickness of between " about 1.0 mm and about 1.25 mm. Accordingly,- the top layer has a thickness of between about 1.75 mm and about 2.25 mm. Exemplary material compositions and quantities for the second layer that can be utilized in accordance with embodiments of the present invention are set forth in. Table 3 above.
  • a backing layer is " bonded to the top layer of recyclable polymeric material in face-to-face contacting relationship therewith (Block 710) .
  • the backing layer may be- formed from various materials including, but not limited to, polypropylene foam sheet material, and open cell materials.
  • the bonded top and backing layers are then formed into a desired shape (Block 720) using any of various known techniques, such as compression molding or vacuum forming.
  • a top layer is formed from first and second layers of recyclable polymeric material, which are bonded together in face-to-face relationship (Block 800) .
  • the first layer of recyclable polymeric material includes a first interpolymer dop ⁇ nent having " a r composition of about twenty to forty* -percent (20% - 40%)' ethylene and about sixty to eighty percent (.60% - 80%) aromatic vinyl monomer, a second interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, a polyethylene polymer component, and a silicone component.
  • the first layer has . a thickness of between about 0.75 mm and about 1.0 mm. Exemplary material compositions and quantities for the first layer that can be utilized in accordance with embodiments of the present invention are set- forth in Table 2 above.
  • the second layer ' of recyclable polymeric material includes an interpolymer component having a composition of about sixty to eighty percent (60% - 80%) ethylene and about twenty to forty percent (20% - 40%) aromatic vinyl monomer, a polypropylene/ethylene copolymer component, a polypropylene component, and a limestone .component.
  • the second, layer has a thickness, of between about 1.0 mm and about 1.25 mm. Accordingly, the top layer has a thickness of between about 1.75 mm and about 2.25 mm. Exemplary material compositions and quantities for the second layer that can be utilized in accordance with embodiments of the present invention are set forth in Table 3 above .
  • a middle, layer of material is bonded to the top layer of recyclable polymeric material in face-to-face contacting relationship therewith (Block 810) .
  • the middle layer may be formed from various materials including, but not limited to, polypropylene foam sheet material, and open cell materials .
  • a reinforced polypropylene substrate is then attached to the- backing layer in face-to-face contacting relationshi therewith (Block 820) .
  • the combined top layer, middle layer-., and substrate are then ' formed into a . desired shape (Block S3. ⁇ ) using any of * various known techniques, such as compression " molding or vacuum forming.
  • the following illustrates a method of producing a vehicle floor covering having a single layer of recyclable material,- according to embodiments of the present invention.
  • the following illustrates a method of producing a vehicle floor covering having two layers of recyclable material, according to embodiments of the present invention.
  • the following illustrates a method of producing a vehicle interior trim panel having two layers of recyclable material , according to embodiments of the present invention .

Abstract

La présente invention concerne des panneaux de garnissage pour intérieurs de véhicules et des procédés de production de ces derniers. Un panneau de garnissage pour intérieur de véhicule de l'invention peut comprendre une couche supérieure dans une matière polymère recyclable et une couche de support liée face contre face à la couche supérieure. La couche supérieure comprend un mélange de diverses matières polymères recyclables parmi lesquelles un composant interpolymère, un composant copolymère de polypropylène, un composant polypropylène, un composant calcaire et un composant sulfate de baryum, et possède une épaisseur comprise entre environ 1,6 mm et environ 2,0 mm. La couche supérieure peut comprendre une première et une seconde couche de matière polymère recyclable adhérant l'une à l'autre face contre face. La première couche comprend un premier composant interpolymère, un second composant interpolymère, un composant copolymère de polypropylène, un composant polypropylène, un composant polymère de polyéthylène et un composant silicone. La seconde couche comprend un composant interpolymère, un composant copolymère de polypropylène, un composant polypropylène et un composant calcaire.
PCT/US2002/032710 2002-01-07 2002-10-15 Articles recyclables pour interieurs de vehicules et procedes de fabrication WO2003059616A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002334996A AU2002334996A1 (en) 2002-01-07 2002-10-15 Recyclable vehicle interior articles and methods of making same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/041,223 2002-01-07
US10/041,223 US6710133B2 (en) 2001-11-07 2002-01-07 Recyclable vehicle interior articles and methods of making same

Publications (1)

Publication Number Publication Date
WO2003059616A1 true WO2003059616A1 (fr) 2003-07-24

Family

ID=21915400

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/032710 WO2003059616A1 (fr) 2002-01-07 2002-10-15 Articles recyclables pour interieurs de vehicules et procedes de fabrication

Country Status (2)

Country Link
AU (1) AU2002334996A1 (fr)
WO (1) WO2003059616A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2142369A1 (fr) * 2008-05-05 2010-01-13 A. Schulman, Inc. Feuilles multicouches de polyoléfine transparente sur colorée et structure de support en couches

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6103803A (en) * 1997-06-26 2000-08-15 The Dow Chemical Company Filled polymer compositions
US6187424B1 (en) * 1997-08-08 2001-02-13 The Dow Chemical Company Sheet materials suitable for use as a floor, wall or ceiling covering material, and processes and intermediates for making the same
US6254956B1 (en) * 1996-09-04 2001-07-03 The Dow Chemical Company Floor, wall or ceiling covering
US6319969B1 (en) * 1997-06-26 2001-11-20 The Dow Chemical Company Interpolymer compositions for use in sound management

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6254956B1 (en) * 1996-09-04 2001-07-03 The Dow Chemical Company Floor, wall or ceiling covering
US6103803A (en) * 1997-06-26 2000-08-15 The Dow Chemical Company Filled polymer compositions
US6319969B1 (en) * 1997-06-26 2001-11-20 The Dow Chemical Company Interpolymer compositions for use in sound management
US6187424B1 (en) * 1997-08-08 2001-02-13 The Dow Chemical Company Sheet materials suitable for use as a floor, wall or ceiling covering material, and processes and intermediates for making the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2142369A1 (fr) * 2008-05-05 2010-01-13 A. Schulman, Inc. Feuilles multicouches de polyoléfine transparente sur colorée et structure de support en couches
EP2142369A4 (fr) * 2008-05-05 2010-10-20 Schulman A Inc Feuilles multicouches de polyoléfine transparente sur colorée et structure de support en couches
US8007902B2 (en) 2008-05-05 2011-08-30 A. Schulman, Inc. Multilayer clear over color polyolefin sheets and layered backing structure
US20120064317A1 (en) * 2008-05-05 2012-03-15 A. Schulman, Inc. Multilayer Clear Over Color Polyolefin Sheets and Layered Backing Structure
US8182906B2 (en) 2008-05-05 2012-05-22 A. Schulman, Inc. Multilayer clear over color polyolefin sheets and layered backing structure
EP2460640A1 (fr) * 2008-05-05 2012-06-06 A. Schulman, Inc. Feuilles de polyoléfine multicouche transparentes sur couleur et structure de support laminée
EP2500169A1 (fr) * 2008-05-05 2012-09-19 A. Schulman, Inc. Feuilles multicouche
EP2851196A1 (fr) * 2008-05-05 2015-03-25 A. Schulman, Inc. Feuilles de polyoléfine multicouche transparentes sur couleur et structure de support laminée

Also Published As

Publication number Publication date
AU2002334996A1 (en) 2003-07-30

Similar Documents

Publication Publication Date Title
US4734323A (en) Vibration damping soundproof sheets for use in vehicles
US6659223B2 (en) Sound attenuating material for use within vehicles and methods of making same
RU2585026C2 (ru) Изделие, выполненное из многослойного композиционного материала, и способ его получения
EP3116949B1 (fr) Composition thermoplastique comprenant du polyéthylène, sa fabrication et son utilisation
US8021503B2 (en) Method for making flexible automobile interior material and sheet for the construction and its product made therefrom
US8828518B2 (en) Decorated trim element
US8025959B2 (en) Interior material for vehicle
JP3238468B2 (ja) 成形性敷物
US20100065368A1 (en) Lightweight, flexible, moldable acoustic barrier and composites including the same
US5266143A (en) Soundproofing panels for automobile applications and manufacturing processes therefor
EP1542844B1 (fr) Revetements ameliores de planchers de vehicules et leurs procedes de fabrication
MX2007002890A (es) Mezcla termoplastica del copolimero de polietileno de baja densidad lineal y acetato de etilen vinilo.
US6818316B2 (en) Recyclable vehicle interior articles and methods of making same
KR102304884B1 (ko) 차음 조성물 및 이를 이용한 자동차용 플로우 카페트 제조 방법
JPH07219556A (ja) 自動車用遮音材及びその製造方法
WO2003059616A1 (fr) Articles recyclables pour interieurs de vehicules et procedes de fabrication
KR102002940B1 (ko) 친환경 핫멜트 열 접착필름 및 그를 이용한 자동차 내장재용 접착부재
KR890003530A (ko) 성형성 시트형 섬유재료 및 이의 제조방법
EP1974905A1 (fr) Panneau laminé thermoformable et son procédé d'obtention
JP2013028335A (ja) 床材及び自動車用内外装材
JPH0346997Y2 (fr)
KR100202742B1 (ko) 흡차음재의매스층성형용조성물
US20220009395A1 (en) Fiber based compositions for noise abatement and compression resistance
KR100353077B1 (ko) 자동차대쉬보드용절연패드
KR100769689B1 (ko) Ｔｐｏ 바닥재

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP