EP4341089A4 - CORRUGATED PAPER OR LINER COMPRISING NSSC PULP - Google Patents

CORRUGATED PAPER OR LINER COMPRISING NSSC PULP

Info

Publication number
EP4341089A4
EP4341089A4 EP22804142.2A EP22804142A EP4341089A4 EP 4341089 A4 EP4341089 A4 EP 4341089A4 EP 22804142 A EP22804142 A EP 22804142A EP 4341089 A4 EP4341089 A4 EP 4341089A4
Authority
EP
European Patent Office
Prior art keywords
fluting
liner
nssc pulp
nssc
pulp
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
EP22804142.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4341089A1 (en
Inventor
Isto Heiskanen
Kaj Backfolk
Jukka Kankkunen
Tuomo SIPPUS
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.)
Stora Enso Oyj
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
Publication of EP4341089A1 publication Critical patent/EP4341089A1/en
Publication of EP4341089A4 publication Critical patent/EP4341089A4/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
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/06—Sulfite or bisulfite pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/62—Rosin; 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • 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
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength 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
    • 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
    • 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
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP22804142.2A 2021-05-17 2022-05-13 CORRUGATED PAPER OR LINER COMPRISING NSSC PULP Pending EP4341089A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2150621 2021-05-17
PCT/IB2022/054480 WO2022243820A1 (en) 2021-05-17 2022-05-13 Fluting or liner comprising nssc pulp

Publications (2)

Publication Number Publication Date
EP4341089A1 EP4341089A1 (en) 2024-03-27
EP4341089A4 true EP4341089A4 (en) 2025-04-09

Family

ID=84141142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22804142.2A Pending EP4341089A4 (en) 2021-05-17 2022-05-13 CORRUGATED PAPER OR LINER COMPRISING NSSC PULP

Country Status (6)

Country Link
US (1) US20240240403A1 (enExample)
EP (1) EP4341089A4 (enExample)
JP (1) JP2024519007A (enExample)
AU (1) AU2022276166A1 (enExample)
BR (1) BR112023024100A2 (enExample)
WO (1) WO2022243820A1 (enExample)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676247A (en) * 1969-02-03 1972-07-11 Australian Paper Manufacturers Corrugating paperboard
US4692212A (en) * 1985-08-23 1987-09-08 International Paper Company Kraft linerboard by densification and heat treatment
JPH0441788A (ja) * 1990-05-31 1992-02-12 Kanzaki Paper Mfg Co Ltd 紙の製造方法
DE69429665T2 (de) * 1993-10-04 2002-09-12 Novozymes A/S, Bagsvaerd Verfahren zur herstellung von kaschiertem karton und wellpappenmittellage
JPH11217783A (ja) * 1997-11-07 1999-08-10 Akio Onda 樹脂分の少ないパルプの製造方法
JP2005200773A (ja) * 2004-01-13 2005-07-28 Daio Paper Corp ライナー
PT1828480E (pt) * 2004-12-21 2014-08-29 Hercules Inc Resinas catiónicas reactivas para aplicação como agentes de resistência à secura e à humidade em sistemas de fabricação de papel contendo iões de sulfito
US8236082B2 (en) * 2009-06-19 2012-08-07 Hollingsworth & Vose Company Flutable fiber webs with high dust holding capacity
JP5808159B2 (ja) * 2011-06-14 2015-11-10 大王製紙株式会社 段ボール用ライナー
JP5902977B2 (ja) * 2012-03-28 2016-04-13 ミヨシ油脂株式会社 罫線割れ防止剤
WO2016034776A1 (en) * 2014-09-04 2016-03-10 Kemira Oyj Sizing composition, its use and a method for producing paper, board or the like
WO2016096477A1 (de) * 2014-12-16 2016-06-23 Basf Se Verfahren zur herstellung von papier und karton
MY183000A (en) * 2015-03-03 2021-02-05 Visy R & D Pty Ltd A system and process
CN108884642A (zh) * 2016-03-23 2018-11-23 斯道拉恩索公司 具有改进的抗压强度的板
JP2020020065A (ja) * 2018-08-02 2020-02-06 日本製紙株式会社 板紙
US11401660B2 (en) * 2018-08-23 2022-08-02 Eastman Chemical Company Broke composition of matter
JP6592173B1 (ja) * 2018-12-05 2019-10-16 日本製紙株式会社 紙筒、及び紙筒用原紙
FI3805453T3 (fi) * 2019-10-10 2025-04-09 Billerud Ab Publ Paperintuotanto

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"FURTHER TREATMENT OF UNBLEACHED PULP", PULPING PROCESSES, XX, XX, 1 January 1965 (1965-01-01), pages 715 - 763, XP009035761 *
DAVID T S LEE ET AL: "Water-resistant corrugated board product", RESEARCH DISCLOSURE, KENNETH MASON PUBLICATIONS, HAMPSHIRE, UK, GB, vol. 208, no. 27, 1 August 1981 (1981-08-01), XP007107963, ISSN: 0374-4353 *
HANHIKOSKI SAARA ET AL: "Biorefining of Scots pine using neutral sodium sulphite pulping: investigation of fibre and spent liquor compositions", INDUSTRIAL CROPS AND PRODUCTS, vol. 129, 1 March 2019 (2019-03-01), pages 135 - 141, XP085578135, ISSN: 0926-6690, DOI: 10.1016/J.INDCROP.2018.11.060 *
HANHIKOSKI SAARA ET AL: "supplementary material to the Article "biorefining of Scots pine using neutral sodium sulphite pulping: investigation of fibre and spent liquor composition"", INDUSTRIAL CROPS AND PRODUCTS, 1 March 2019 (2019-03-01), XP093254174, ISSN: 0926-6690, DOI: 10.1016/J.INDCROP.2018.11.060 *
See also references of WO2022243820A1 *

Also Published As

Publication number Publication date
AU2022276166A1 (en) 2023-11-09
EP4341089A1 (en) 2024-03-27
BR112023024100A2 (pt) 2024-02-06
CN117337237A (zh) 2024-01-02
JP2024519007A (ja) 2024-05-08
US20240240403A1 (en) 2024-07-18
WO2022243820A1 (en) 2022-11-24

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Owner name: STORA ENSO OYJ

A4 Supplementary search report drawn up and despatched

Effective date: 20250307

RIC1 Information provided on ipc code assigned before grant

Ipc: D21H 27/30 20060101ALI20250303BHEP

Ipc: D21H 27/10 20060101ALI20250303BHEP

Ipc: D21H 17/68 20060101ALI20250303BHEP

Ipc: D21H 17/63 20060101ALI20250303BHEP

Ipc: D21H 17/62 20060101ALI20250303BHEP

Ipc: D21H 17/17 20060101ALI20250303BHEP

Ipc: D21H 11/14 20060101ALI20250303BHEP

Ipc: D21H 11/02 20060101ALI20250303BHEP

Ipc: D21H 21/20 20060101ALI20250303BHEP

Ipc: D21H 27/40 20060101ALI20250303BHEP

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Ipc: D21C 9/02 20060101ALI20250303BHEP

Ipc: B32B 29/08 20060101AFI20250303BHEP