EP4724656A1 - Festigkeitsmittel für papier, pappe oder dergleichen - Google Patents

Festigkeitsmittel für papier, pappe oder dergleichen

Info

Publication number
EP4724656A1
EP4724656A1 EP24734012.8A EP24734012A EP4724656A1 EP 4724656 A1 EP4724656 A1 EP 4724656A1 EP 24734012 A EP24734012 A EP 24734012A EP 4724656 A1 EP4724656 A1 EP 4724656A1
Authority
EP
European Patent Office
Prior art keywords
board
paper
glucan
strength agent
cationic
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
EP24734012.8A
Other languages
English (en)
French (fr)
Inventor
Matti Hietaniemi
Markus Korhonen
Asko Karppi
Jonas Konn
Natnael Behabtu
Douglas Adelman
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.)
Kemira Oyj
Original Assignee
Kemira 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 Kemira Oyj filed Critical Kemira Oyj
Publication of EP4724656A1 publication Critical patent/EP4724656A1/de
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
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • 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
    • 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

  • Paper (AREA)
EP24734012.8A 2023-06-07 2024-06-04 Festigkeitsmittel für papier, pappe oder dergleichen Pending EP4724656A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202363471545P 2023-06-07 2023-06-07
FI20235962 2023-08-08
PCT/FI2024/050289 WO2024252066A1 (en) 2023-06-07 2024-06-04 Strength agent for paper, board, or the like

Publications (1)

Publication Number Publication Date
EP4724656A1 true EP4724656A1 (de) 2026-04-15

Family

ID=93795114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24734012.8A Pending EP4724656A1 (de) 2023-06-07 2024-06-04 Festigkeitsmittel für papier, pappe oder dergleichen

Country Status (5)

Country Link
EP (1) EP4724656A1 (de)
KR (1) KR20260020176A (de)
CN (1) CN121241178A (de)
AU (1) AU2024286818A1 (de)
WO (1) WO2024252066A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026041836A1 (en) * 2024-08-23 2026-02-26 Kemira Oyj Strength agent for paper, board, or the like

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102410391B1 (ko) 2013-12-18 2022-06-16 뉴트리션 앤드 바이오사이언시스 유에스에이 4, 인크. 양이온성 폴리 알파-1,3-글루칸 에테르
WO2016196022A1 (en) 2015-06-01 2016-12-08 E I Du Pont De Nemours And Company Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids
US11193005B2 (en) * 2016-11-16 2021-12-07 Nutrition & Biosciences USA 4, Inc. Cellulose/polysaccharide composites
WO2019004950A1 (en) * 2017-06-30 2019-01-03 Scg Packaging Public Company Limited HIGH STRENGTH SHEET MATERIAL

Also Published As

Publication number Publication date
CN121241178A (zh) 2025-12-30
KR20260020176A (ko) 2026-02-10
AU2024286818A1 (en) 2025-12-18
WO2024252066A1 (en) 2024-12-12

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