ES2644773T1 - Producto laminado intermedio, estructura laminada expandida y procedimiento de fabricación de los mismos - Google Patents

Producto laminado intermedio, estructura laminada expandida y procedimiento de fabricación de los mismos Download PDF

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Publication number
ES2644773T1
ES2644773T1 ES14905269.8T ES14905269T ES2644773T1 ES 2644773 T1 ES2644773 T1 ES 2644773T1 ES 14905269 T ES14905269 T ES 14905269T ES 2644773 T1 ES2644773 T1 ES 2644773T1
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Spain
Prior art keywords
coating
layer
polymers
weight
microspheres
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Pending
Application number
ES14905269.8T
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English (en)
Inventor
Kent Malmgren
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SCA Forest Products AB
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SCA Forest Products AB
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Publication of ES2644773T1 publication Critical patent/ES2644773T1/es
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/10Layered 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 paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/002Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38Packaging materials of special type or form
    • B65D65/40Applications of laminates for particular packaging purposes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00Compositions of lignin-containing materials
    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D103/00Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
    • C09D103/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/12Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/14Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52Additives of definite length or shape
    • D21H21/54Additives of definite length or shape being spherical, e.g. microcapsules, beads
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22Addition to the formed paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10Packing paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/32Multi-ply with materials applied between the sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/12Coating on the layer surface on paper layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/26Polymeric coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54Yield strength; Tensile strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546Flexural strength; Flexion stiffness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/718Weight, e.g. weight per square meter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/72Density
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/724Permeability to gases, adsorption
    • B32B2307/7242Non-permeable
    • B32B2307/7244Oxygen barrier
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/726Permeability to liquids, absorption
    • B32B2307/7265Non-permeable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00Packaging equipment or accessories not otherwise provided for
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • D21H17/28Starch

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Paper (AREA)

Claims (21)

  1. 5
    10
  2. 2.
  3. 3.
    15
  4. 4.
    20
  5. 5.
    25
  6. 6.
    30
  7. 7. 35
  8. 8.
  9. 9.
    40
  10. 10.
    45
  11. 11.
    50
  12. 12.
    55
    60
    REIVINDICACIONES
    Producto laminado intermedio, que comprende una primera capa de papel que comprende fibras de lignocelulosa, y una capa de recubrimiento seco aplicada a una superficie de la primera capa de papel, estando dicho producto laminado intermedio destinado para laminacion termica con una segunda capa de papel que comprende fibras de lignocelulosa, caracterizado porque el recubrimiento comprende microesferas expandibles, teniendo dichas microesferas una temperatura de expansion (Te), al menos un polisacarido, y un aditivo de plastificacion que es capaz de formar una mezcla termoplastica con el polisacarido.
    Producto laminado intermedio segun la reivindicacion 1, en el que las microesferas tienen una temperatura de expansion (Te) de 120 °C-230 °C.
    Producto laminado intermedio segun las reivindicaciones 1 o 2, en el que el polisacarido es un almidon nativo o modificado, preferiblemente un almidon modificado que tiene una viscosidad reducida despues de la gelatinizacion en comparacion con almidon nativo.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-3, en el que el aditivo de plastificacion se elige de uno o mas de urea, glicerol, acido cftrico, formamida, acetamida, sorbitol o glicol, preferiblemente una combinacion de urea y glicerol.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-4, en el que el recubrimiento comprende el 1-25% en peso de uno o mas compuestos de polfmero, basandose en el peso seco del recubrimiento, eligiendose dichos compuestos de polfmero preferiblemente del grupo que consiste en polfmeros de estireno-butadieno, polfmeros de acrilonitrilo-butadieno, polfmeros de acetato de vinilo-etileno, polfmeros de estireno-acrilato de butilo, polfmeros de polivinilo-acetato, polfmeros de polihidroxialcanoatos, polfmeros de nitrilo y caucho natural.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-5, en el que el recubrimiento comprende el 2-50 % en peso, preferiblemente el 5-30 % en peso, mas preferiblemente el 7-20 % en peso de microesferas expandibles, basandose en el peso seco del recubrimiento.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-6, en el que el recubrimiento comprende el 30-93 % en peso de polisacarido, basandose en el peso seco del recubrimiento.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-7, en el que el recubrimiento comprende el 5-30 % en peso del aditivo de plastificacion, basandose en el peso seco del recubrimiento.
    Producto laminado intermedio segun una cualquiera de las reivindicaciones 1-8, en la que el recubrimiento comprende, basandose en el peso seco del recubrimiento, el 7-20 % en peso de microesferas expandibles, el 40-75 % en peso de almidon, el 5-10 % en peso de urea, el 5-10 % en peso de glicerol y el 5-20 % en peso de compuestos de polfmero.
    Estructura laminada expandible que comprende el producto laminado intermedio segun las reivindicaciones 1-9, y que comprende ademas una segunda capa de papel que comprende fibras de lignocelulosa, en la que la capa de recubrimiento esta en forma expandida, y la segunda capa de papel se ha unido al recubrimiento seco por medio de laminacion termica.
    Carton para el envasado de lfquidos que comprende la estructura laminada expandida segun la reivindicacion 10, y que comprende ademas una capa de barrera frente a los lfquidos en al menos una de dichas capas de papel primera o segunda.
    Procedimiento para formar el producto laminado intermedio segun las reivindicaciones 1-9, que comprende las etapas de:
    - aplicar un recubrimiento a una primera capa de papel, recubrimiento que comprende una mezcla acuosa de polisacaridos, un aditivo de plastificacion que es capaz de formar una mezcla termoplastica con el polisacarido, y microesferas expandibles, teniendo dichas microesferas una temperatura de expansion (Te), y opcionalmente una dispersion de latex, comprendiendo dicha dispersion de latex preferiblemente compuestos de polfmero elegidos del grupo que consiste en polfmeros de estireno-butadieno, polfmeros de acrilonitrilo-butadieno, polfmeros de acetato de vinilo-etileno, polfmeros de estireno-acrilato de butilo, polfmeros de polivinilo-acetato, polfmeros de polihidroxialcanoatos, polfmeros de nitrilo y caucho natural;
    - secar la capa de papel recubierta a una primera temperatura (T1) por debajo de la temperatura de expansion (Te) de las microesferas, mediante lo cual se obtiene un producto laminado intermedio seco;
    5
    10
    15
    20
    25
    30
    35
    40
    45
    50
    - envasar el producto laminado intermedio seco para su transporte o almacenamiento, o transferirlo directamente a una etapa de laminacion para su laminacion con una segunda capa de papel.
  13. 13. Procedimiento segun la reivindicacion 12, en el que dicha primera temperatura (Ti) es de 80 °C-110 °C.
  14. 14. Procedimiento segun la reivindicacion 13, en el que el recubrimiento se aplica en una cantidad de 5299 g/m2
  15. 15. Procedimiento para formar la estructura laminada expandida segun la reivindicacion 10, que comprende las etapas del procedimiento segun las reivindicaciones 12-14, o que proporciona un laminado intermedio fabricado previamente segun las reivindicaciones 1-9, y que comprende ademas;
    - introducir el producto laminado intermedio en una etapa de laminacion termica;
    - aplicar una segunda capa de papel al recubrimiento del producto intermedio a una segunda temperatura (T2), que esta por encima de la temperatura de expansion (Te) de las microesferas, mediante lo cual las microesferas se expanden, y a la que el aditivo de plastificacion provoca la plastificacion del polisacarido, para formar una mezcla termoplastica.
  16. 16. Procedimiento segun la reivindicacion 15, en el que dicha segunda temperatura (T2) es de 120 °C-220 °C, preferiblemente 130 °C-180 °C.
  17. 17. Estructura laminada expandida que comprende el producto laminado intermedio segun las reivindicaciones 1-9, que comprende una capa de barrera de material de lamina de metal o plastico colocado entre dos capas de producto laminado intermedio, en la que las capas de recubrimiento estan en forma expandida, y en la que las dos capas de producto laminado intermedio estan orientadas en el laminado de manera que el recubrimiento expandido de cada capa esta girado hacia la capa de barrera.
  18. 18. Estructura laminada expandida segun la reivindicacion 17, en la que la capa de barrera esta hecha de un material de barrera frente al oxfgeno, preferiblemente pelfcula de polietileno-alcohol vimlico o pelfcula de aluminio.
  19. 19. Estructura laminada expandida segun la reivindicacion 17 o 18, que comprende ademas una capa de barrera frente a los lfquidos en al menos una de dichas capas de papel primera o segunda, en el lado de la segunda capa de papel orientada lejos de la capa recubrimiento.
  20. 20. Procedimiento para formar la estructura laminada expandida segun la reivindicacion 17 o 18, que comprende las etapas del procedimiento segun las reivindicaciones 12-14, o que proporciona un laminado intermedio fabricado previamente segun las reivindicaciones 1-9, y que comprende ademas:
    - introducir una primera capa de un producto laminado intermedio en una etapa de laminacion termica;
    - aplicar una capa de barrera de material de lamina de metal o plastico al recubrimiento de la primera capa de un producto laminado intermedio; y
    - aplicar una segunda capa de producto laminado intermedio a la capa de barrera, de manera que la capa de recubrimiento de la segunda capa de un producto laminado intermedio este girada hacia la capa de barrera;
    - someter dichas capas a una segunda temperatura (T2), que esta por encima de la temperatura de expansion (TE) de las microesferas, mediante lo cual las microesferas se expanden, y a la que el aditivo de plastificacion provoca la plastificacion del polisacarido, para formar una mezcla termoplastica.
  21. 21. Uso de la estructura laminada expandida segun la reivindicacion 10, o las reivindicaciones 17-19 como carton de envasado para fabricar un envase.
ES14905269.8T 2014-11-04 2014-11-04 Producto laminado intermedio, estructura laminada expandida y procedimiento de fabricación de los mismos Pending ES2644773T1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2014/051302 WO2016072888A1 (en) 2014-11-04 2014-11-04 An intermediate laminate product, an expanded laminate structure, and process manufacturing thereof

Publications (1)

Publication Number Publication Date
ES2644773T1 true ES2644773T1 (es) 2017-11-30

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US (1) US10118368B2 (es)
EP (1) EP3215674A4 (es)
DE (1) DE14905269T1 (es)
ES (1) ES2644773T1 (es)
WO (1) WO2016072888A1 (es)

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US9657200B2 (en) 2012-09-27 2017-05-23 Henkel IP & Holding GmbH Waterborne adhesives for reduced basis weight multilayer substrates and use thereof
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