FI4036305T3 - Paperinvalmistusmenetelmä - Google Patents

Paperinvalmistusmenetelmä Download PDF

Info

Publication number
FI4036305T3
FI4036305T3 FIEP21154736.9T FI21154736T FI4036305T3 FI 4036305 T3 FI4036305 T3 FI 4036305T3 FI 21154736 T FI21154736 T FI 21154736T FI 4036305 T3 FI4036305 T3 FI 4036305T3
Authority
FI
Finland
Prior art keywords
pulp
above patent
paper
pam
cationic
Prior art date
Application number
FIEP21154736.9T
Other languages
English (en)
Inventor
Eero Antero Valtanen
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 FI4036305T3 publication Critical patent/FI4036305T3/fi

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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • 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
    • D21H21/14—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
    • 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
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)

Claims (13)

PATENTTIVAATIMUKSET
1. Menetelmä paperin tuottamiseksi paperikoneella, joka menetelmä käsittää seuraavat vaiheet: a) hankitaan massa kuten lehtipuumassan ja havupuumassan seos; b) lisätään kationinen glyoksyloitu polyakryyliamidi (G-PAM) massaan; c) muodostetaan raina massasta perälaatikon käsittävällä muodostamisalueella; d) puristetaan raina puristamisalueella; e) kuivataan raina kuivausalueella; ja f£) valinnaisesti kalanteroidaan raina kalanterissa, jolloin mainittu menetelmä käsittää lisäksi anionisen polymeerin lisäämisen massaan ennen kationisen G-PAM:n lisäämistä, massan pH on välillä 6,5-8,0, kun anioninen polymeeri lisätään, ja massan pH on välillä 4,8-5,5, kun kationinen G-PAM lisätään.
2. Patenttivaatimuksen 1 mukainen menetelmä, jolloin massa jalostetaan esimerkiksi siten, että standardin ISO 5267-1:1999 mukaisesti mitattu Schopper-Riegler-luku perälaatikossa olevalle massalle on 20-30, edullisesti 22-30, kuten 23-28.
3. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin massan konsistenssi on 1,5-3,0 3, kun lisätään kationista G-PAM:a.
4, Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin kationista G-PAM:a lisätään yhteensä määränä, joka on 1,5-3,0 kg/tonni kuivakuitua, edullisesti 2,0-3,0 kg/tonni kuivakuitua, edullisemmin 2,5-3,0 kg/tonni kuivakuitua.
5. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin massaa ei Jalosteta kationisen G-PAM:n lisäämisen jälkeen.
6. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin anioninen polymeeri on anioninen polyakryyliamidi (A- PAM) .
7. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, joka käsittää lisäksi sen, että massaan lisätään vähintään yhtä hydrofobista paperiliimaa (size), kuten hartsipaperiliimaa ja/tai AKD:tä.
8. Patenttivaatimuksen 7 mukainen menetelmä, jolloin massan pH on välillä 4,8-5,5 ja massan konsistenssi on välillä 1,5-3,0 3, kun siihen lisätään mainittua vähintään yhtä hydrofobista paperiliimaa.
9. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, joka käsittää lisäksi sen, että massaan lisätään savea sellaisena määränä, että paperin tuhkapitoisuus on välillä 2,0-5,5 %, kuten 3,0-5,0 %.
10. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin massan konsistenssi perälaatikossa on 0,20-0,60 5, edullisesti 0,30-0,55 %, edullisemmin 0,35-0,50 %.
11. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin kalanteri on pehmeänippikalanteri, jota käytetään linjakuormalla 60-170 kN/m, kuten 80-140 kN/m, kuten 100-140 kN/m, ja/tai 100-200 °C:n lämpötilassa, kuten 100-150 °C:ssa tai 120-180 °C:ssa.
12. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin paperin standardin ISO 536:2019 mukaisesti mitattu neliömassa on vähintään 100 g/m. ja/tai standardin ISO 534:2011 mukaisesti mitattu paperin tiheys on vähintään 600 kg/m’.
13. Jonkin edellä olevista patenttivaatimuksista mukainen menetelmä, jolloin paperin SCAN-P 92:09:n mukaisesti mitattu spesifi formaatioluku on alle 1,00 Vg/m, kuten alle 0,90 Vg/m, kuten alle 0,85 Vg/m.
FIEP21154736.9T 2021-02-02 2021-02-02 Paperinvalmistusmenetelmä FI4036305T3 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21154736.9A EP4036305B1 (en) 2021-02-02 2021-02-02 Papermaking method

Publications (1)

Publication Number Publication Date
FI4036305T3 true FI4036305T3 (fi) 2024-01-31

Family

ID=74505077

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP21154736.9T FI4036305T3 (fi) 2021-02-02 2021-02-02 Paperinvalmistusmenetelmä

Country Status (4)

Country Link
EP (1) EP4036305B1 (fi)
ES (1) ES2971737T3 (fi)
FI (1) FI4036305T3 (fi)
PL (1) PL4036305T3 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024079031A1 (en) * 2022-10-12 2024-04-18 Tetra Laval Holdings & Finance S.A. Use of a paper substrate, the barrier-coated paper substrate, a laminated packaging material and packaging container comprising it
EP4353901A1 (en) * 2022-10-12 2024-04-17 Billerud Aktiebolag (publ) Stretchable high-density paper

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI125713B (fi) * 2010-10-01 2016-01-15 Upm Kymmene Corp Menetelmä märän paperirainan ajettavuuden parantamiseksi ja paperi
US9347181B2 (en) * 2013-11-22 2016-05-24 Kemira Oyj Method for increasing paper strength
ES2666830T3 (es) * 2015-11-10 2018-05-08 Billerudkorsnäs Ab Papel para una máquina envolvedora vertical
FI128012B (fi) * 2016-03-22 2019-07-31 Kemira Oyj Järjestelmä ja menetelmä paperin, kartongin tai vastaavan valmistamiseksi
WO2018229345A1 (en) * 2017-06-16 2018-12-20 Kemira Oyj Strength additive system and method for manufacturing a web comprising cellulosic fibres
WO2020012074A1 (en) * 2018-07-12 2020-01-16 Kemira Oyj Method for manufacturing multi-layered fibrous web and multi-layered fibrous web
CN113195827B (zh) * 2018-12-17 2023-04-28 凯米拉公司 用于生产纸或板的方法及其产品

Also Published As

Publication number Publication date
EP4036305B1 (en) 2023-11-08
PL4036305T3 (pl) 2024-04-08
ES2971737T3 (es) 2024-06-06
EP4036305A1 (en) 2022-08-03

Similar Documents

Publication Publication Date Title
EP3607143B1 (en) Production of highly stretchable paper having satisfactory surface properties
US8012309B2 (en) Method of making wet embossed paperboard
FI4036305T3 (fi) Paperinvalmistusmenetelmä
US7815770B2 (en) Papers having borate-based complexing and method of making same
US11339535B2 (en) Method of producing a highly stretchable paper
CA3114652A1 (en) Method of producing kraft paper and kraft paper
US20080169072A1 (en) Wet Embossed Paperboard and Method and Apparatus for Manufacturing Same
Hua et al. Wet-web strength and pressability of highly-filled sheets
US6461475B2 (en) Base sheet for wallcoverings
US20210310193A1 (en) Process for Producing Paper or Paperboard, in Particular Label Paper or Paperboard Suited for Use as Packaging Material for Beverage Containers, and Paper or Paperboard Produced by This Process
Nordström Densification by wet pressing versus refining of neverdried high-yield softwood kraft pulp–effects on compression strength, tensile stiffness, and tensile strength
Lee et al. Improvement in the retention and strength of paper made from white-grade wastepaper
CA3205747A1 (en) Papermaking method
JP2023051145A (ja) 模様紙及びその製造方法
EP4261346A1 (en) Production of paper- or linerboard
AU2002344714B2 (en) Apparatus and method for improving paper strength
SU181988A1 (ru) Волокнистая масса для изготовления бумаги
Lee et al. Proceedings of Pre-symposium of the 10" ISWPC
JP2005290590A (ja) 成型用紙
WO2003006738A1 (en) Apparatus and method for improving paper strength
Richardson et al. Chemical additives to enhance press dewatering in board production
Wegner et al. How wet press residence affects paperboard strength.
SE511954C2 (sv) Linerboard med förbättrade tryckbarhetsegenskaper
AU2002344714A1 (en) Apparatus and method for improving paper strength