FI4234810T3 - A fluorochemical-free grease-barrier paper - Google Patents

A fluorochemical-free grease-barrier paper Download PDF

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Publication number
FI4234810T3
FI4234810T3 FIEP22159305.6T FI22159305T FI4234810T3 FI 4234810 T3 FI4234810 T3 FI 4234810T3 FI 22159305 T FI22159305 T FI 22159305T FI 4234810 T3 FI4234810 T3 FI 4234810T3
Authority
FI
Finland
Prior art keywords
barrier paper
paper according
presented above
composition
starch
Prior art date
Application number
FIEP22159305.6T
Other languages
Finnish (fi)
Inventor
Lars Wahlström
Per Iversen
Erik Westerholm
Original Assignee
Billerud Ab Publ
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 Billerud Ab Publ filed Critical Billerud Ab Publ
Application granted granted Critical
Publication of FI4234810T3 publication Critical patent/FI4234810T3/en

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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
    • 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
    • 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
    • D21H17/28—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
    • 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
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/24—Addition to the formed paper during paper manufacture
    • D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/42—Paper being at least partly surrounded by the material on both sides
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Claims (15)

PATENTTIVAATIMUKSETPATENT CLAIMS 1. Fluorikemikaaleja sisältämätön ras- vansulkupaperi, joka käsittää peruspaperin (base pa- per), jossa: peruspaperin ensimmäinen puoli on kyllästetty ensimmäisellä koostumuksella, joka käsittää hapetettua tärkkelystä, dekstriiniä, silloitteen ja vahan, kuten alkyyliketeenidimeerin (AKD); ja peruspaperin toinen puoli on kyllästetty toisella koostumuksella, joka käsittää hapetettua tärkkelystä, dekstriiniä ja silloitteen, jolloin mainittu dekstriini on maltodekstri-1. Grease barrier paper free of fluorochemicals, comprising a base paper (base paper), wherein: the first side of the base paper is impregnated with a first composition comprising oxidized starch, dextrin, crosslinker and wax, such as alkyl ketene dimer (AKD); and one side of the base paper is impregnated with a second composition comprising oxidized starch, dextrin and a crosslinker, said dextrin being maltodextrin ini.i. 2. Patenttivaatimuksen 1 mukainen sulkupaperi, jossa peruspaperi käsittää le- htipuukuitujen ja havupuukuitujen seoksen.2. Barrier paper according to claim 1, where the base paper comprises a mixture of hardwood fibers and softwood fibers. 3. Patenttivaatimuksen 2 mukainen sulkupaperi, jossa lehtipuukuitujen ja havupuukuitujen kuivapainosuhde on välillä 1:1—1:3.3. The barrier paper according to claim 2, where the dry weight ratio of hardwood fibers and softwood fibers is between 1:1 and 1:3. 4. Patenttivaatimuksen 3 mukainen sulkupaperi, jossa lehtipuukuitujen ja havupuukuitujen kuivapainosuhde on välillä 1:1,2—1:2,0, kuten es- imerkiksi välillä 1:1,3—1:1,8.4. Barrier paper according to claim 3, where the dry weight ratio of hardwood fibers and softwood fibers is between 1:1.2 and 1:2.0, such as for example between 1:1.3 and 1:1.8. 5. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa silloite on PAE-hartsi.5. A barrier paper according to one of the patent claims presented above, in which the crosslinking is a PAE resin. 6. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa silloit- teen määrä ensimmäisessä koostumuksessa on 1-9 %, kuten esimerkiksi 3—7 %, perustuen tärkkelyksen kuivapainoon.6. A barrier paper according to one of the patent claims presented above, in which the amount of crosslinker in the first composition is 1-9%, such as for example 3-7%, based on the dry weight of the starch. 7. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa silloit- teen määrä toisessa koostumuksessa on 1-9 %, kuten es- imerkiksi 3—7 %, perustuen tärkkelyksen kuivapainoon.7. A barrier paper according to one of the patent claims presented above, in which the amount of crosslinker in the second composition is 1-9%, such as 3-7%, based on the dry weight of the starch. 8. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa AKD:n määrä ensimmäisessä koostumuksessa on 1-9 %, kuten es- imerkiksi 1-8 %, kuten 2—7 %, perustuen tärkkelyksen kuivapainoon.8. A barrier paper according to one of the patent claims presented above, wherein the amount of AKD in the first composition is 1-9%, such as 1-8%, such as 2-7%, based on the dry weight of the starch. 9. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa vähintään 75 3, kuten esimerkiksi vähintään 80 %, ensimmäisen koostumuksen kuivapainosta on tärkkelystä.9. A barrier paper according to one of the patent claims presented above, in which at least 75%, such as for example at least 80%, of the dry weight of the first composition is starch. 10. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa vähintään 80 3, kuten esimerkiksi vähintään 85 %3, toisen koos- tumuksen kuivapainosta on tärkkelystä.10. A barrier paper according to one of the patent claims presented above, in which at least 80 3, such as for example at least 85% 3, of the dry weight of the second composition is starch. 11. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa ensimm- äisen koostumuksen kuiva määrä on 0,4+1,5 g/m’, kuten esimerkiksi 0,6—1,4 g/m’.11. A barrier paper according to one of the patent claims presented above, where the dry amount of the first composition is 0.4+1.5 g/m', such as, for example, 0.6—1.4 g/m'. 12. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa toisen koostumuksen kuiva määrä on 0,4+1,5 g/m’, kuten es- imerkiksi 0,6—1,4 g/m’.12. A barrier paper according to one of the patent claims presented above, where the dry amount of the second composition is 0.4+1.5 g/m', such as 0.6—1.4 g/m', for example. 13. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa tuhkapitoisuus on 3-9 %, kuten esimerkiksi 5-9 %, kuten 5—8 %.13. A barrier paper according to one of the patent claims presented above, in which the ash content is 3-9%, such as for example 5-9%, such as 5-8%. 14. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa peruspaino mitattuna ISO 536:2019:n mukaan on 30—65 g/m, kuten esimerkiksi 35—55 g/m.14. Sealing paper according to one of the patent claims presented above, in which the basic weight measured according to ISO 536:2019 is 30—65 g/m, such as for example 35—55 g/m. 15. Jonkin edellä esitetyistä patent- tivaatimuksista mukainen sulkupaperi, jossa Gurlevy- arvo mitattuna ISO 5636-5:2013:n mukaan on vähintään 400 s, kuten esimerkiksi vähintään 500 s.15. A barrier paper according to one of the patent claims presented above, where the Gurlevy value measured according to ISO 5636-5:2013 is at least 400 s, such as, for example, at least 500 s.
FIEP22159305.6T 2022-02-28 2022-02-28 A fluorochemical-free grease-barrier paper FI4234810T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22159305.6A EP4234810B1 (en) 2022-02-28 2022-02-28 A fluorochemical-free grease-barrier paper

Publications (1)

Publication Number Publication Date
FI4234810T3 true FI4234810T3 (en) 2024-05-16

Family

ID=80623430

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP22159305.6T FI4234810T3 (en) 2022-02-28 2022-02-28 A fluorochemical-free grease-barrier paper

Country Status (3)

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EP (2) EP4234810B1 (en)
FI (1) FI4234810T3 (en)
WO (1) WO2023161351A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254450A (en) * 1992-12-09 1993-10-19 Eastman Kodak Company Hydrophobically substituted amylose starch-sized photographic paper support and photographic element containing same
GB9511482D0 (en) * 1995-06-07 1995-08-02 Wiggins Teape Group The Limite Ink jet printing paper
EP1176254A1 (en) * 2000-07-24 2002-01-30 The Dow Chemical Company Use of dispersions of crosslinked cationic starch in papermaking
JP5187873B2 (en) * 2005-04-27 2013-04-24 特種東海製紙株式会社 Oil-resistant sheet
DE102011001617A1 (en) * 2011-03-29 2012-10-04 Papierfabrik Hamburger Rieger GmbH & Co. KG Apparatus and method for producing a multi-ply packaging paper
EP3202979B1 (en) * 2016-02-04 2018-08-22 BillerudKorsnäs AB Liquid packaging paper
US12037749B2 (en) * 2016-07-26 2024-07-16 Footprint International, LLC Acrylate and non-acrylate based chemical compositions for selectively coating fiber-based food containers
US20180030658A1 (en) * 2016-07-26 2018-02-01 Footprint International, LLC Methods and Apparatus For Manufacturing Fiber-Based Produce Containers
US10036126B2 (en) * 2016-07-26 2018-07-31 Footprint International, LLC Methods for manufacturing fiber-based beverage lids
CN107988845A (en) * 2017-12-29 2018-05-04 安徽宏实光机电高科有限公司 A kind of preparation method of nano silicon dioxide oleophobic enhancing recombination chitosan sizing agent
CN110093806B (en) * 2019-05-06 2024-08-23 浙江科技学院 Uncoated digital ink-jet transfer printing base paper and production method thereof
CN110158364A (en) * 2019-05-30 2019-08-23 浙江恒达新材料股份有限公司 A kind of low basis weight application type food packaging body paper and preparation method thereof
CN112080964B (en) * 2020-09-10 2022-10-18 将军烟草集团有限公司济南包装材料分公司 Oil-seepage-preventing coating liquid and preparation method and application thereof

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Publication number Publication date
EP4234811A1 (en) 2023-08-30
EP4234810A1 (en) 2023-08-30
EP4234810B1 (en) 2024-02-21
WO2023161351A1 (en) 2023-08-31

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