SE548100C2 - Packaging material with improved light barrier properties - Google Patents

Packaging material with improved light barrier properties

Info

Publication number
SE548100C2
SE548100C2 SE2350210A SE2350210A SE548100C2 SE 548100 C2 SE548100 C2 SE 548100C2 SE 2350210 A SE2350210 A SE 2350210A SE 2350210 A SE2350210 A SE 2350210A SE 548100 C2 SE548100 C2 SE 548100C2
Authority
SE
Sweden
Prior art keywords
packaging material
barrier properties
light barrier
improved light
improved
Prior art date
Application number
SE2350210A
Other versions
SE2350210A1 (en
Inventor
Magnus Ekberg
Kaj Backfolk
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Priority to SE2350210A priority Critical patent/SE548100C2/en
Priority to EP24759875.8A priority patent/EP4669806A1/en
Priority to JP2025547743A priority patent/JP2026506955A/en
Priority to PCT/IB2024/051707 priority patent/WO2024176159A1/en
Priority to CN202480013356.0A priority patent/CN120641620A/en
Publication of SE2350210A1 publication Critical patent/SE2350210A1/en
Publication of SE548100C2 publication Critical patent/SE548100C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • 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
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B23/06—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance 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
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered 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
    • B32B29/005—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/30—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H21/00—Non-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
    • D21H21/14—Non-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 function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/04—4 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/26—All layers being made of paper or paperboard
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7244—Oxygen barrier
    • 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
    • B32B2439/00—Containers; Receptacles
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
SE2350210A 2023-02-24 2023-02-24 Packaging material with improved light barrier properties SE548100C2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE2350210A SE548100C2 (en) 2023-02-24 2023-02-24 Packaging material with improved light barrier properties
EP24759875.8A EP4669806A1 (en) 2023-02-24 2024-02-22 Cardboard with improved light-blocking properties
JP2025547743A JP2026506955A (en) 2023-02-24 2024-02-22 Paperboard with improved light blocking properties
PCT/IB2024/051707 WO2024176159A1 (en) 2023-02-24 2024-02-22 Paperboard with improved light barrier properties
CN202480013356.0A CN120641620A (en) 2023-02-24 2024-02-22 Paperboard with improved light barrier properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2350210A SE548100C2 (en) 2023-02-24 2023-02-24 Packaging material with improved light barrier properties

Publications (2)

Publication Number Publication Date
SE2350210A1 SE2350210A1 (en) 2024-08-25
SE548100C2 true SE548100C2 (en) 2026-03-23

Family

ID=92500434

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350210A SE548100C2 (en) 2023-02-24 2023-02-24 Packaging material with improved light barrier properties

Country Status (5)

Country Link
EP (1) EP4669806A1 (en)
JP (1) JP2026506955A (en)
CN (1) CN120641620A (en)
SE (1) SE548100C2 (en)
WO (1) WO2024176159A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804440A (en) * 1984-12-21 1989-02-14 Pulp And Paper Research Institute Of Canada Multistage brightening of high yield and ultra high-yield wood pulps
WO2015087293A1 (en) * 2013-12-13 2015-06-18 Stora Enso Oyj Multiply paperboard
WO2022175430A1 (en) * 2021-02-22 2022-08-25 Societe Des Produits Nestle S.A. A recyclable paper-based laminate and a beverage carton made therefrom
US20220290377A1 (en) * 2019-09-27 2022-09-15 Stora Enso Oyj A tube package

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804440A (en) * 1984-12-21 1989-02-14 Pulp And Paper Research Institute Of Canada Multistage brightening of high yield and ultra high-yield wood pulps
WO2015087293A1 (en) * 2013-12-13 2015-06-18 Stora Enso Oyj Multiply paperboard
US20220290377A1 (en) * 2019-09-27 2022-09-15 Stora Enso Oyj A tube package
WO2022175430A1 (en) * 2021-02-22 2022-08-25 Societe Des Produits Nestle S.A. A recyclable paper-based laminate and a beverage carton made therefrom

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
GAVELIN G. '2.1 Massor för kartongtillverkning' In: Papp och karting, Skogsindustrins utbildning i Markaryd (SUM), Markaryd, 1995, ISBN: 91-7322-182-1, see page 79 *
GAVELIN G. 'Kemimekaniska massor' In: Mekaniska massor: framställning och användning, Skogsindustrins utbildning i Markaryd (SUM), Markaryd, 1996, ISBN: 91-7322-192-9 *
HARTLER, N., TEDER, A. "Cellulosateknik del 2", Kungliga tekniska Högskolan, Institutionen för Pappers- och Massateknik, 1996, see p. 11:32-11:33, 12:37-12:38 *
KASSBERG, M. Sulfatmassatillverkning, Skogsindustrins utbildning i Markaryd (SUM), Markaryd, 1996, ISBN: 91-7322-192-9 *
SIXTA, H. et al. "Chemical Pulping Processe: Sections 4.1-4.2.5" In: Handbook of Pulp Volume 1, WILEY-VCH Verlag GmbH & Co. 2006, Print ISBN:9783527309993, see page 111 *
WELCH, L.V.S., "5.1 CTMP" In: Low consistency refining of mechanical pulps, The University of British Colombia, Vancover, Canada, 1999 *

Also Published As

Publication number Publication date
WO2024176159A1 (en) 2024-08-29
SE2350210A1 (en) 2024-08-25
CN120641620A (en) 2025-09-12
JP2026506955A (en) 2026-02-27
EP4669806A1 (en) 2025-12-31

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