EP4522801A4 - Alternative fibers and microfibrillated cellulose-coated packaging papers, as well as films and substrates - Google Patents

Alternative fibers and microfibrillated cellulose-coated packaging papers, as well as films and substrates

Info

Publication number
EP4522801A4
EP4522801A4 EP23804300.4A EP23804300A EP4522801A4 EP 4522801 A4 EP4522801 A4 EP 4522801A4 EP 23804300 A EP23804300 A EP 23804300A EP 4522801 A4 EP4522801 A4 EP 4522801A4
Authority
EP
European Patent Office
Prior art keywords
films
substrates
well
microfibrillated cellulose
coated packaging
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.)
Pending
Application number
EP23804300.4A
Other languages
German (de)
French (fr)
Other versions
EP4522801A1 (en
Inventor
Lokendra Pal
Preeti Tyagi
Norman Lisson
Mrittika Debnath
Roman Sarder
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.)
North Carolina State University
WM Wrigley Jr Co
Original Assignee
North Carolina State University
WM Wrigley Jr 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
Application filed by North Carolina State University, WM Wrigley Jr Co filed Critical North Carolina State University
Publication of EP4522801A1 publication Critical patent/EP4522801A1/en
Publication of EP4522801A4 publication Critical patent/EP4522801A4/en
Pending legal-status Critical Current

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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18—Highly hydrated, swollen or fibrillatable fibres
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • 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
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • 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
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
EP23804300.4A 2022-05-12 2023-05-12 Alternative fibers and microfibrillated cellulose-coated packaging papers, as well as films and substrates Pending EP4522801A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263364613P 2022-05-12 2022-05-12
PCT/US2023/021984 WO2023220337A1 (en) 2022-05-12 2023-05-12 Alternative fibers and micro-fibrillated cellulose coated packaging papers, and films and substrates

Publications (2)

Publication Number Publication Date
EP4522801A1 EP4522801A1 (en) 2025-03-19
EP4522801A4 true EP4522801A4 (en) 2026-04-22

Family

ID=88730984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23804300.4A Pending EP4522801A4 (en) 2022-05-12 2023-05-12 Alternative fibers and microfibrillated cellulose-coated packaging papers, as well as films and substrates

Country Status (4)

Country Link
US (1) US20250304344A1 (en)
EP (1) EP4522801A4 (en)
CN (1) CN119343499A (en)
WO (1) WO2023220337A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN122459533A (en) * 2023-12-20 2026-07-24 株式会社明治 Cocoa pulp, cocoa cellulose nanofibers, and their manufacturing methods
CN120718519A (en) * 2024-03-29 2025-09-30 凯米拉公司 New high-biomass aqueous dispersions as barrier coatings
WO2026013618A1 (en) * 2024-07-11 2026-01-15 Raiz - Instituto De Investigação Da Floresta E Papel Microfibrillated cellulose production process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170342661A1 (en) * 2014-12-18 2017-11-30 Stora Enso Oyj Process for the production of a coated substance comprising cellulosic fibres
US20190040581A1 (en) * 2016-02-03 2019-02-07 Kemira Oyj A process for producing microfibrillated cellulose and a product thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11242652B2 (en) * 2016-02-19 2022-02-08 Stora Enso Oyj Sheet having improved dead-fold properties
SE540870C2 (en) * 2017-04-12 2018-12-11 Stora Enso Oyj A gas barrier film comprising a mixture of microfibrillated cellulose and microfibrillated dialdehyde cellulose and a method for manufacturing the gas barrier film
SE542193C2 (en) * 2017-10-20 2020-03-10 Stora Enso Oyj A method for producing a film having good barrier properties and a film having good barrier properties
US11524921B2 (en) * 2018-02-13 2022-12-13 Russell MOOLMAN Composite materials containing hemp and nanocellulose
MX2020008832A (en) * 2018-02-26 2020-10-05 David PAUWELS Methods for preparing cannabis hurd fiber, purified cannabis hurd fiber, and articles containing the purified cannabis hurd fiber.
SE541631C2 (en) * 2018-03-08 2019-11-19 Stora Enso Oyj A method for producing an oxygen barrier film comprising dialdehyde cellulose fibers
SE543618C2 (en) * 2018-11-22 2021-04-20 Stora Enso Oyj Gas barrier film for a paper or paperboard based packaging material comprising microfibrillated cellulose surface grafted with a fatty acid halide and a thermoplastic polymer layer
US12384932B2 (en) * 2020-10-23 2025-08-12 North Carolina State University Packaging coatings, packaging products, and methods of making
SE544871C2 (en) * 2021-02-26 2022-12-20 Stora Enso Oyj Method and device for producing an mfc film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170342661A1 (en) * 2014-12-18 2017-11-30 Stora Enso Oyj Process for the production of a coated substance comprising cellulosic fibres
US20190040581A1 (en) * 2016-02-03 2019-02-07 Kemira Oyj A process for producing microfibrillated cellulose and a product thereof

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS MRITTIKA ET AL: "Molded pulp products for sustainable packaging: Production rate challenges and product opportunities :: BioResources", BIORESOURCES, vol. 17, no. 2, 1 January 2022 (2022-01-01), US, pages 3810 - 3870, XP093318709, ISSN: 1930-2126, Retrieved from the Internet <URL:https://bioresources.cnr.ncsu.edu/resources/molded-pulp-products-for-sustainable-packaging-production-rate-challenges-and-product-opportunities/> DOI: 10.15376/biores.17.2.Debnath *
NATHALIE LAVOINE ET AL: "Microfibrillated cellulose – Its barrier properties and applications in cellulosic materials: A review", CARBOHYDRATE POLYMERS, vol. 90, no. 2, 1 October 2012 (2012-10-01), pages 735 - 764, XP055062945, ISSN: 0144-8617, DOI: 10.1016/j.carbpol.2012.05.026 *
See also references of WO2023220337A1 *
TYAGI PREETI ET AL: "Hydrothermal and mechanically generated hemp hurd nanofibers for sustainable barrier coatings/films", INDUSTRIAL CROPS AND PRODUCTS ELSEVIER, NL, vol. 168, 7 May 2021 (2021-05-07), XP086579321, ISSN: 0926-6690, [retrieved on 20210507], DOI: 10.1016/J.INDCROP.2021.113582 *
YOOK SIMYUB ET AL: "Barrier coatings with various types of cellulose nanofibrils and their barrier properties", CELLULOSE SPRINGER NETHERLANDS, NETHERLANDS, vol. 27, no. 8, 9 March 2020 (2020-03-09), pages 4509 - 4523, XP037105858, ISSN: 0969-0239, [retrieved on 20200309], DOI: 10.1007/S10570-020-03061-5 *

Also Published As

Publication number Publication date
WO2023220337A1 (en) 2023-11-16
EP4522801A1 (en) 2025-03-19
US20250304344A1 (en) 2025-10-02
CN119343499A (en) 2025-01-21

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