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WO2011014085A2 - Composites à base de liège renforcés avec des fibres - Google Patents

Composites à base de liège renforcés avec des fibres Download PDF

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Publication number
WO2011014085A2
WO2011014085A2 PCT/PT2010/000033 PT2010000033W WO2011014085A2 WO 2011014085 A2 WO2011014085 A2 WO 2011014085A2 PT 2010000033 W PT2010000033 W PT 2010000033W WO 2011014085 A2 WO2011014085 A2 WO 2011014085A2
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WO
WIPO (PCT)
Prior art keywords
cork
weight
fibre
fibres
reinforced
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.)
Ceased
Application number
PCT/PT2010/000033
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English (en)
Other versions
WO2011014085A3 (fr
Inventor
Emanuel Mouta Fernandes
Vitor Manuel Correlo Da Silva
José António Marchão Das Chagas
Rui Luís Gonçalves dos Reis
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.)
Amorim Revestimentos SA
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Amorim Revestimentos SA
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 Amorim Revestimentos SA filed Critical Amorim Revestimentos SA
Publication of WO2011014085A2 publication Critical patent/WO2011014085A2/fr
Publication of WO2011014085A3 publication Critical patent/WO2011014085A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material

Definitions

  • the present invention relates to composites and biocomposites produced from different cork materials reinforced with natural or synthetic fibres. More specifically, it relates to cork composites with synthetic, recycled or natural derived polymers, or combinations thereof, reinforced with natural and/or synthetic fibres, preferably using at least one binder.
  • Composite materials typically consist of a continuous matrix and of a dispersed, fibrous or discontinuous, second phase which can reinforce the material, function as filler, modify magnetic or electrical properties, and improve wear or erosion strength, such that its combination results in the product features.
  • FR 2741005 application discloses a composite material made of cork agglomerate which is reinforced with fibres during manufacture, which fibres can be of cellulose acetate and is potentially useful in furniture.
  • EP 1482163 A2 application discloses an insulation material formed from a mixture of cork particulate, having 40 to 120 mesh or less, with a plurality of synthetic fibres and a siloxane based binder (silicone), optionally using a primer and a binder, wherein components are mixed and sprayed onto a surface to be protected.
  • the insulation material may have a homogeneous or non-homogeneous composition and can be used in rocket engines and airframe structures.
  • WO 2008/114103 application discloses the use of cork powder or residues, wood residues, fibre powder, wood shavings and wood dust in a particle agglomeration process using a pre-polymer with a di-isocyanate and possibly a catalyst, for use in wood and cork industrial sectors, often designated as the boards and veneers sub-sectors and in the cork agglomerates sub-sector, having a very long material stabilization stage.
  • WO 2007093521 Al application discloses a process for producing mouldings from cork particles derived from bottle cork manufacturing, the cork particles being bonded with thermoplastic polymers.
  • thermoplastic polymer is used in the form of a water- soluble polymer powder, comprising one or more base polymers, protective colloids and, optionally, anticaking agents. Furthermore, the cork and synthetic polymer particles are mixed and then converted into mouldings under pressure. The material is useful in the footwear, clothing, furniture, sports, leisure and construction industry.
  • PCT WO 2009072914 Al application relates to methods for obtaining composite materials from cork with polymers by mixing at least two components, at least one being selected from granulated cork or cork dust, wherein components can be pre- functionalized, resulting in pellets which are subsequently used in another process or directly converted into the final product by applying conventional or non-conventional melting technologies, for potential use in different fields and in applications requiring complex geometry as well.
  • Last two prior-art documents disclose thermoplastic composites having good mechanical characteristics.
  • the present invention relates to a fibre-reinforced cork-based composite comprising at least three components, wherein a first component is a cork-based material, a second component is a thermoplastic material and a third component is reinforcing fibres.
  • the fibre-reinforced cork-based composite comprises:
  • thermoplastic material 20% to 80% by weight
  • the fibre-reinforced cork-based composite comprises:
  • thermoplastic material 40% to 60% by weight of thermoplastic material
  • the fibre-reinforced cork-based composite comprises:
  • thermoplastic material (b) 35% to 50% by weight of thermoplastic material
  • the fibre-reinforced cork-based composite comprises: (a) 30% to 55% by weight of cork-based material;
  • thermoplastic material (b) 35% to 45% by weight of thermoplastic material
  • the fibre-reinforced cork-based composite comprises about:
  • thermoplastic material 40% by weight of thermoplastic material
  • said cork-based material is selected from the group comprising granulated cork, cork dust, cork residues and combinations thereof.
  • said thermoplastic material is selected from the group comprising synthetic, recycled and natural materials, and combinations thereof.
  • said thermoplastic material is selected from the group comprising polyethylene, polypropylene, ethylene, alkyl or aryl anhydride, ethylene acrylate homo- or copolymer, polystyrene, polycarbonate, polymethylmethacrylate, polyvinyl chloride, polyamide, polyurethane, polyethylene terephthalate, poly(butylene succinate), polylactide, polycaprolactone, polyhydroxyalkanoate and the like, and combinations thereof.
  • said reinforcing fibres are selected from the group comprising natural, artificial and synthetic fibres, and combinations thereof.
  • said reinforcing fibres are discontinuous fibres having a length of about 0.1 to 50 mm.
  • said reinforcing fibres are selected from the group comprising coconut, sisal, flax, cotton, kenaf, hemp, sugar cane, bamboo, palm, jute, wood, wool, leather, silk, aramid, ceramic, metallic, glass, polymeric and carbon fibres and the like, and combinations thereof.
  • said reinforcing fibres are previously subjected to a physical or chemical modification in order to improve compatibility with distinct composite components.
  • said binders are selected from the group comprising silane, glycerin, glycerol, epoxy groups, carboxylic acid and maleic anhydride based binders, and the like, and combinations thereof.
  • said thermoplastic material is a mixture of at least two of said synthetic, recycled and natural thermoplastic materials. In yet another embodiment, said thermoplastic material is functionalized.
  • the present invention also relates to the use of the fibre-reinforced cork-based composite designed for the construction, inland transport, aeronautic, shipbuilding, furniture and automobile industries, and the like.
  • Fig. 1 is a board cross section view using a stereoscopic lens, showing a cork polymeric composite containing 10% of non-linear Iy dispersed sisal fibre, after the extrusion and compression moulding steps.
  • Figs. 2a and 2b are magnified photographs obtained by electron microscopy, showing cork polymeric composites reinforced with coconut fibres and 2% binder after a tensile test.
  • the present invention relates to new high performance, mouldable, recyclable or biodegradable, cork-based composites reinforced with discontinuous, short or long, natural and/or synthetic fibres.
  • Such composites can be fully or partially biodegradable according to the polymeric matrix type and reinforcing fibres used in their production.
  • the cork-based product of the invention comprises at least three components, such as a cork-based material, a synthetic, recycled or natural thermoplastic, or a mixture of at least two of these, and natural and/or synthetic fibres.
  • the present invention uses melting-based technologies in order to induce a better homogenization of the different phases, playing the addition of fibres a key role.
  • the mechanical properties of the cork and polymer composites reinforced with fibres are dependent on the fibres length and diameter, fibres dispersion, interaction in the interface fibres/cork and polymeric matrix, the chemical nature of the fibres, the amount and type of binder and the process technology used, since fibres can have a different dispersion degree in the final product.
  • the composite material is obtained using melting-based conventional technologies, such as extrusion or injection moulding techniques, preferably extrusion or pultrusion techniques, to yield pellets reinforced with fibres of different lengths according to the intended application.
  • the pellets exhibiting better mechanical characteristics, may be subsequently used in a injection moulding, compression moulding, transfer moulding or thermoforming step, or other non-conventional techniques such as, inter alia, reaction injection moulding or overmoulding.
  • the new composite product having improved mechanical characteristics, also allows incorporation of high amounts of cork, exhibiting stiffness similar to that of the simple thermoplastic materials, due to fibre incorporation in the presence of a binder.
  • Such new composite can be used in the construction, furniture, automobile, shipbuilding or aeronautic industry, and the like.
  • the term "composite” relates to materials typically consisting of at least 3 components; a continuous thermoplastic matrix and two dispersed phases, one of these being the cork granules, or cork dust or cork residues derived from the production process and the other a reinforcing fibre-based phase, one of the phases optionally functioning as a filler, optionally containing a new phase in order to modify the magnetic or electrical properties, improve the wear or erosion resistance, such that its association results in the product features.
  • additives refers to one or more substances applied in small amounts, used to modify and/or improve several properties such as, inter alia, promoting processability, conferring thermal stability, colouring and improving antistatic properties, superficial hardness and fire resistance.
  • the expression “fully biodegradable” composite relates to a material consisting of cork embedded in a natural or synthetic, biodegradable polymeric matrix, reinforced with natural fibres.
  • the expression “partially biodegradable” composite relates to materials made of cork and a non-biodegradable polymeric matrix, reinforced with natural fibres.
  • the composites of the invention are materials having unique properties and performance. Examples of such material characteristics comprise a high processing ability (using current machinery), making them useful for producing complex products for the final user multiple applications, better thermal and acoustic insulation and improved mechanical characteristics.
  • the fibre-reinforced cork-based composite of the present invention is suitable for use in construction, inland transport, aeronautic, shipbuilding, furniture, automobile parts and other structural applications.
  • Manufacturing of cork-based composites reinforced with fibres can be made by pultrusion or extrusion, either in a single- or multiple-step process, to provide a pellet or a material with any other final shape. Subsequently, the final product might be obtained by melting-based techniques, such as injection moulding, compression moulding, transfer moulding, thermoforming or a combination thereof, and non-conventional techniques, such as reaction injection moulding, overmoulding, in-mould decoration and the like, or a combination thereof. Polymers, cork and fibres do not promptly combine, though some polymers are more suitable than others to provide a good binding interface. Accordingly, the mechanical properties of the cork and polymer composites improve with the addition of natural and/or synthetic fibres, preferably with a binder and/or a functionalized polymer.
  • the fibre-reinforced cork composites of the present invention comprise:
  • thermoplastic matrix material 20% to 80% by weight of at least one thermoplastic matrix material, which may be synthetic, recycled or natural. Said thermoplastic material may be functionalized;
  • fibres selected from the group comprising natural, synthetic, organic, inorganic fibres and the like, and combinations thereof, which fibres can be of any discontinuous, short or long, fibres;
  • binders selected from the group comprising silane, glycerin, glycerol, epoxy groups, carboxylic acid or maleic anhydride based binders, and the like and combinations thereof.
  • additives selected from the group comprising waxes, pigments, lubricants and the like, and combinations thereof, may be added to the initial composition or during blending process, such that better processing ability, aesthetic or other characteristics are conferred.
  • the fibre-reinforced cork composites comprise: (a) 20% to 70% by weight of said granulated cork;
  • the fibre-reinforced cork composites comprise:
  • the fibre-reinforced cork composites comprise: (a) 30% to 55% by weight of said granulated cork;
  • the fibre-reinforced cork composites comprise:
  • the fibre-reinforced cork composites comprise about 40% by weight of said granulated cork, about 40% by weight of said matrix material, about 12% by weight of said fibres, about 7% by weight of said binders and about 1 % by weight of additives.
  • the cork material might be of any source and type, including granulated cork with different densities and/or granulometries and/or cork residues from industrial processes, such as grinding powder, sanding powder, or from technical products such as, inter alia, corkstyle ® , floating powder, or a mixture of more than one type of cork residues.
  • Matrix material of the present invention comprises any polymeric thermoplastic material having a melting point lower than the cork or reinforcing fibres decomposition temperature.
  • thermoplastic materials suitable as matrix include poly olefins, preferably polyethylene, polypropylene, propylene copolymers with other monomers including ethylene, alkyl or aryl anhydride, ethylene acrylate homo- or copolymer, or a combination thereof.
  • Other thermoplastic materials are selected from the group comprising polystyrene, polycarbonate, polymethylmethacrylate, polyvinyl chloride, poly amides, polyur ethane, polyethylene terephthalate, and mixtures of thermoplastic materials.
  • the present invention allows for the use of any recycled thermoplastics from the above examples.
  • Biodegradable compositions may be prepared with biopolymers.
  • Said biodegradable polymers comprise, biodegradable polyesters, preferably poly(butylene succinate), polylactides, polycaprolactones or polyhydroxyalkanoates.
  • the amount of matrix material depends on, for example, the product intended application, manufacturing process and/or product desired characteristics and properties.
  • the matrix material may be present in an amount of about 20 to 80% by weight, more preferably, of about 40 to 60% by weight.
  • reinforcing fibres are selected from the group comprising organic, inorganic, natural and synthetic fibres and the like, and combinations thereof.
  • Representative examples include cellulose, polymeric, metallic, ceramic and glass materials.
  • the amount of fibres used is typically in the range of at least 1 to about 35% by weight of product, preferably between about 10 and about 30% by weight.
  • Fibres may be of any type of discontinuous, short or long, fibres, having a length of about 0.1 to 50 mm.
  • Natural fibres include any fibre type of any renewable source and selected from the group comprising coconut, sisal, flax, cotton, kenaf, hemp, sugar cane, bamboo, palm, jute and wood fibres present in the wood or paper pulp.
  • other natural materials may also be used as sources of natural fibres, such as, for example, wool, leather and or silk, and the like, and combinations thereof, to confer reinforcement and ecological and recycling features to the final product.
  • Synthetic fibres comprise any type of artificial or chemical fibres, such as, for example, aramid, ceramic, metal, glass, polymers and carbon fibres, or a combination thereof.
  • Representative polymeric fibres comprise, for example, polyester, nylon, acrylic, poly ethers, poly amides, polyolefins, such as polyethylene and polypropylene based fibres.
  • natural fibres may be admixed or combined with fibres of a different type, e. g. , aramid, ceramic, metal, glass, polymers and carbon fibres and/or other materials from natural fibres, to obtain a fibre useful as a reinforcing material for preparing the cork-based composites of the invention.
  • a different type e. g. , aramid, ceramic, metal, glass, polymers and carbon fibres and/or other materials from natural fibres
  • the composites of the present invention include binders selected from the group comprising silane, glycerin, glycerol, epoxy groups, carboxylic acid and maleic anhydride based binders, and the like and combinations thereof, which function as a binding agent for both cork particulate and reinforcing fibres. Binders may be added either in the solid or liquid state. Furthermore, the composites of the invention may contain at least one additive, said additive being selected from the group comprising waxes, pigments, lubricants, antioxidant compounds, fire-resistant compounds, antibacterial compounds, UV absorbers and the like, and combinations thereof.
  • compatibilizing methods can provide an adhesive binding between the cork material, polymeric material and fibres,. improving the binding interface and, therefore, the mechanical properties of the final product.
  • a suitable compatibilizing method comprises subjecting any of the raw materials to chemical treatments, such as alkaline or acid treatments, or providing chemical modification by using plasma or corona discharge treatments, to improve the surface characteristics.
  • Functionalization methods with reactive groups can be used to promote a better interface binding of the cork and reinforcing fibres with the polymeric matrix, as occurs with other lignocellulosic materials, or to subject the cork wastes and reinforcing fibres to a washing step with one or more solvents, and a drying step.
  • Previously functionalized polymers may be used as an alternative to functionalization.
  • Fibre distribution in the matrix depends on a manufacturing process disclosed bellow for a better understanding of the invention. The process allows for parameters adjustment in order to yield different levels of fibre distribution.
  • the reinforced cork-based composites can be produced using any of the standard techniques for producing composites including, inter alia, pultrusion, extrusion, injection moulding, compression moulding, transfer moulding and non-conventional techniques such as reaction injection moulding, overmoulding, and in- mould decoration.
  • the first illustrative process for producing a fibre-reinforced cork-based composite is pultrusion.
  • the product can be directly obtained in its semi-final or final shape, for example as pellets, which is subsequently used in other processing methods, such as extrusion, pultrusion, injection moulding and compression moulding.
  • a second illustrative process for preparing the reinforced product is extrusion.
  • Any extrusion device suitable for carrying out the extrusion of the composition may be used.
  • the extrusion device can be a single screw or twin-screw extruder, the latter having co-rotating screws or, preferably, counter-rotating screws disposed horizontally and/or vertically (in one or more extruding machines) during processing.
  • a plurality of fibres is combined with the matrix material before or during the extrusion step.
  • the material fed to the extrusion device may contain all of the components of the extrusion composition, or the different components of the composition may be added in separate steps in the course of the extrusion process.
  • the fibre-reinforced cork-based composites may be produced in one or more extrusion steps.
  • the fibre-reinforced cork-based composites may be prepared in a step consisting of admixing all materials, including cork and fibres, in an extrusion or pultrusion process, or some of the composition components may be introduced in an extrusion or pultrusion device yielding a compound and then other components are combined therein, e. g. reinforcing fibres, in a supplementary extrusion or pultrusion step.
  • the reinforced cork-based composite can be obtained directly in its semi-final or final shape as, for example, a profile having a low or high geometrical complexity according to the extruder die, for example pellets, which may be subsequently used in other transformation processes.
  • Reactive extrusion can be used to functionalize raw materials and/or simultaneously produce distinct reinforced cork-based composites as pellets or products having a different final shape.
  • the invention also relates to the use of said reinforced cork-based composites in construction, inland transport, aeronautics, shipbuilding, furniture, automobile parts and other structural applications.
  • compositions were prepared using a thermoplastic material and a cork residue derived from an industrial process, namely sanding powder having a density of 120 - 160 kg/m3.
  • the polymer used was a high density polyethylene having a melting point of 136.6 0 C (measured by Differential Scanning Calorimetry). In all instances, the polymer/cork residues weight ratio was proportional between the two materials (50%- 50%) or (49% -49%) when using a binder.
  • each composition Prior to the blending process, each composition was placed separately into a mechanical agitator for 10 minutes, for mixing and homogenizing the components.
  • each composition was placed alternately into a counter-rotating, twin-screw extruder having a die of circular geometry, allowing compounding and subsequent preparation of pellets from the cork and polymers composite (CPC).
  • CPC cork and polymers composite
  • the CPC pellets were subjected to another extrusion step for reinforcement with different percentages of coconut fibres having a diameter less than 500 ⁇ m, according to Table 1 below, thus providing different pellets having a length less than 5 mm.
  • pellets were collected for each composition (which could be applied to the injection moulding process for generating the intended geometries) and placed into a mould of rectangular geometry (about 20x23 cm 2 ) and 3 mm of thickness, containing on its base a removable cover which was covered with an unmoulding Teflon sheet on both surfaces comprising the evenly distributed pellets.
  • This system was inserted into a hydraulic arm press at a temperature between 140 and 160 0 C, for about 8 minutes for melting and homogenising the pellets and further compressed for 2 minutes at a pressure of 1.42 MPa, followed by cooling inside the mould with water and under pressure for 10 minutes, thus allowing cool down of the pellets to temperatures close to room temperature.
  • cork residue as described in example 1, was used and admixed with the same thermoplastic material in a 40-60 cork-polymer weight % ratio for preparing different formulations reinforced with natural or synthetic fibres and further comprising, in some instances, a binder, as shown in Table 2.
  • Composites were processed according to the methodology described in example 1 , but for an essential difference since pellets reinforced with fibres have been obtained after a single extrusion step. Boards were obtained from different formulations of cork and polymer composites reinforced with fibres, exhibiting a good superficial aspect, providing some aesthetic properties of the cork with dispersed fibres, as shown in Fig. 1. The mechanical properties are slightly different, as illustrated in Table 1 , due to the fibre type and formulation used. As regards to tensile properties, incorporation of natural or synthetic fibres provides a significant improvement on the composite properties, conferring greater stiffness and higher fracture stress and impact resistance, preferably in the presence of a small amount of binder. Charpy impact strength was also measured in notched samples using a pendulum impact tester according to DIN EN ISO 179-1 standard, exhibiting the cork and polymer composites reinforced with fibres a higher stiffness, denoting a higher impact resistance.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

L’invention concerne des composites produits à partir de liège, renforcés avec des fibres naturelles ou synthétiques. La matrice polymère peut être constituée de polymères naturels, synthétiques ou recyclés. Pour réguler les propriétés mécaniques des composites obtenus, des liants peuvent être ajoutés ou des technologies de fonctionnalisation peuvent être appliquées pour améliorer la liaison entre les fibres et/ou le liège et la matrice polymère. Les composites de l’invention peuvent être préparés au moyen de plusieurs techniques de traitement basées sur la fusion. Les composites obtenus présentent des propriétés améliorées d’isolation thermique et acoustique en raison de l’inclusion du liège, leurs caractéristiques mécaniques étant significativement améliorées par l’incorporation de fibres naturelles et/ou synthétiques, de telle sorte qu’ils peuvent être utilisés dans les industries de la construction, du transport terrestre, de l’aéronautique, de la construction navale, des meubles et de l’automobile.
PCT/PT2010/000033 2009-07-31 2010-07-21 Composites à base de liège renforcés avec des fibres Ceased WO2011014085A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT10470409A PT104704B (pt) 2009-07-31 2009-07-31 Compósitos à base de cortiça reforçados com fibras
PT104704 2009-07-31

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WO2011014085A2 true WO2011014085A2 (fr) 2011-02-03
WO2011014085A3 WO2011014085A3 (fr) 2011-11-17

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011131694A1 (fr) * 2010-04-22 2011-10-27 Astrium Sas Materiau de protection thermique
US9024085B2 (en) 2011-04-26 2015-05-05 Celanese International Corporation Process to reduce ethanol recycled to hydrogenation reactor
WO2015104671A1 (fr) * 2014-01-13 2015-07-16 Greenfiber Tech, Lda. Matériau composite et revêtement modulaire
EP2913228A1 (fr) * 2014-02-28 2015-09-02 Volvo Car Corporation Véhicule avec vision commandé par capteurs
WO2015157342A1 (fr) * 2014-04-07 2015-10-15 Chenfu Alex Tapis de couchage non-toxique
US20190255826A1 (en) * 2016-11-03 2019-08-22 Bufo Technology UG Composite material, in particular for sports equipment
US11046842B2 (en) * 2016-03-22 2021-06-29 Amorim Cork Composites, S.A. Method for preparing panels made of a composite of cork and polyethylene

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FR2741005A1 (fr) 1995-11-15 1997-05-16 Madelenat Jerome Materiau composite pour le mobilier a base de liege
EP1482163A2 (fr) 2003-05-27 2004-12-01 United Technologies Corporation Matériau ablatif d'isolation composé de fibres, liège et silicone
WO2007093521A1 (fr) 2006-02-13 2007-08-23 Wacker Polymer Systems Gmbh & Co. Kg Procede de fabrication d'elements moules a partir de particules de liege
WO2008114103A1 (fr) 2007-03-19 2008-09-25 Universidade De Trás-Os-Montes E Alto Douro Procédé d'agglomération de particules pour les secteurs industriels du bois et du liège
WO2009072914A1 (fr) 2007-12-04 2009-06-11 Amorim Revestimentos, S.A. Matières composites de liège-polymère (cpc) et procédés d'obtention

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Publication number Priority date Publication date Assignee Title
FR2741005A1 (fr) 1995-11-15 1997-05-16 Madelenat Jerome Materiau composite pour le mobilier a base de liege
EP1482163A2 (fr) 2003-05-27 2004-12-01 United Technologies Corporation Matériau ablatif d'isolation composé de fibres, liège et silicone
WO2007093521A1 (fr) 2006-02-13 2007-08-23 Wacker Polymer Systems Gmbh & Co. Kg Procede de fabrication d'elements moules a partir de particules de liege
WO2008114103A1 (fr) 2007-03-19 2008-09-25 Universidade De Trás-Os-Montes E Alto Douro Procédé d'agglomération de particules pour les secteurs industriels du bois et du liège
WO2009072914A1 (fr) 2007-12-04 2009-06-11 Amorim Revestimentos, S.A. Matières composites de liège-polymère (cpc) et procédés d'obtention

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011131694A1 (fr) * 2010-04-22 2011-10-27 Astrium Sas Materiau de protection thermique
FR2959238A1 (fr) * 2010-04-22 2011-10-28 Astrium Sas Materiau de protection thermique
US9346994B2 (en) 2010-04-22 2016-05-24 Airbus Defence & Space Sas Heat-protection material
US9024085B2 (en) 2011-04-26 2015-05-05 Celanese International Corporation Process to reduce ethanol recycled to hydrogenation reactor
WO2015104671A1 (fr) * 2014-01-13 2015-07-16 Greenfiber Tech, Lda. Matériau composite et revêtement modulaire
EP2913228A1 (fr) * 2014-02-28 2015-09-02 Volvo Car Corporation Véhicule avec vision commandé par capteurs
WO2015157342A1 (fr) * 2014-04-07 2015-10-15 Chenfu Alex Tapis de couchage non-toxique
US11046842B2 (en) * 2016-03-22 2021-06-29 Amorim Cork Composites, S.A. Method for preparing panels made of a composite of cork and polyethylene
US20190255826A1 (en) * 2016-11-03 2019-08-22 Bufo Technology UG Composite material, in particular for sports equipment

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WO2011014085A3 (fr) 2011-11-17
PT104704A (pt) 2011-01-31
PT104704B (pt) 2011-10-04

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