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WO1992013137A1 - Papier couverture kraft utilise dans une structure a plusieurs couches - Google Patents

Papier couverture kraft utilise dans une structure a plusieurs couches Download PDF

Info

Publication number
WO1992013137A1
WO1992013137A1 PCT/SE1992/000014 SE9200014W WO9213137A1 WO 1992013137 A1 WO1992013137 A1 WO 1992013137A1 SE 9200014 W SE9200014 W SE 9200014W WO 9213137 A1 WO9213137 A1 WO 9213137A1
Authority
WO
WIPO (PCT)
Prior art keywords
pulp
top layer
liner
liner according
sulphate 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.)
Ceased
Application number
PCT/SE1992/000014
Other languages
English (en)
Inventor
Nils Hagen
Ragnhild DÖLLING
Sture Backlund
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.)
SCA Nordliner AB
Original Assignee
SCA Nordliner AB
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 SCA Nordliner AB filed Critical SCA Nordliner AB
Publication of WO1992013137A1 publication Critical patent/WO1992013137A1/fr
Priority to FI924268A priority Critical patent/FI97558C/fi
Priority to NO923694A priority patent/NO180453B/no
Anticipated expiration legal-status Critical
Ceased 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
    • D21H11/14—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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • 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
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets

Definitions

  • the present invention relates to a presentation liner, i.e. a kraft liner, in multi-layer construction.
  • presentation liner is meant an improved liner quality which gives good printability with respect to reproduc ⁇ tion, and uniformity in print, brilliance, contrast and sharpness.
  • Presentation liners are used when desiring high print quality, half-tone print and multicolour print.
  • the liner is also used for printing bar codes and informa ⁇ tion which includes small type faces.
  • a presentation liner shall have a high degree of smooth ⁇ ness, adapted luminance, uniform absorption and a high degree of purity.
  • Kraft liners which form the flat sheets in corrugated fibreboard, also referred to as facing paper, are traditionally produced primarily from kraft pulp in two or three layers to a surface weight of
  • Kraft liners, or facing papers are normally produced from softwood sulphate pulp and hardwood sulphate pulp, the composition of the pulp depending on the particular requirements of a given pulp quality.
  • Hardwood pulp provides a better surface than softwood pulp, and is slightly cheaper than softwood pulp. It is also known to admix secondary fibres in kraft liners, in at least one layer, wherein fine printing waste is normally used as a starting material.
  • the Swiss Patent Specification CH 633 482 describes a method of manufacturing high strength outerply for corrugated board, i.e. a liner which is comprised of at least two layers, of which one layer is a waste paper semimanufacture, while the other layer, or the other layers, is/are produced from chemimechanical softwood pulp (CMP) . It is said that this method of manufacture will reduce drastically or completely obviate the use of kraft pulp or kraft recycled fibres, and therewith improve the use of the wood starting material.
  • CMP chemimechanical softwood pulp
  • the patent specification also describes as part of the known art a method of extending kraft pulp with a modi ⁇ fied ther omechanical pulp (MTMP) or with a chemithermo- mechanical pulp (CTMP) respectively.
  • MTMP modi ⁇ fied ther omechanical pulp
  • CTMP chemithermo- mechanical pulp
  • the present invention relates to a so-called presentation liner, i.e. a kraft liner, which is characterized in that the liner comprises a plurality of layers, preferably 2-3 layers, in that from 55-100% of the pulp forming the outer layer or layers is com ⁇ prised of a bleached hardwood sulphate pulp which is free from chlorine chemical and which includes an addi ⁇ tion of 0-15% pigment, e.g. calcined clay, said concen ⁇ trations being calculated in percent on absolutely dry pulp; and in that the remainder of the pulp in the outer layer (the top layer) is comprised of unbleached soft- wood sulphate pulp or of bleached softwood sulphate pulp that is free from chlorine chemicals.
  • a so-called presentation liner i.e. a kraft liner
  • the liner comprises a plurality of layers, preferably 2-3 layers, in that from 55-100% of the pulp forming the outer layer or layers is com ⁇ prised of a bleached hardwood
  • the outer layer (top side) of the inventive liner has a luminance (Y-value, SCAN-method P 8:75) of 45-85%, or expressed as brightness 32-85% (SCAN-method P 3:75).
  • At least 80% of the hardwood pulp in the top layer consists of birch.
  • the hardwood pulp may be bleached with oxygen in one or more stages, or bleached in known combinations of oxygen and peroxide stages.
  • ⁇ 2 preferably from 30-90 g/m and the pulp which forms this
  • 5 layer is preferably refined to a degree of refinement of
  • the pulp in the remaining layers of the liner consists 10 of unbleached softwood sulphate pulp in mixture with 0- 10% unbleached hardwood sulphate pulp and 0-50% recycled fibres.
  • the surface of the top layer preferably has a Bendtsen roughness number beneath 1000 ml/min. (SCAN-P 21:67) .
  • a liner according to the present invention was produced with existing machinery and by means of generally tradi- 20 tional techniques.
  • the liner comprised two layers, of which the top layer was produced from oxygen-gas bleached hardwood sulphate pulp (> 80% birch) with kappa number 12.
  • the pulp was purchased from another manufac ⁇ turer. The pulp was clean and had been refined to SR-
  • the top layer had a surface weight of
  • the base layer was produced from softwood sulphate pulp having a kappa number of about 75.
  • the pulp was refined 30 to an SR-number of about 21-22, with the addition of 10% recycled corrugated fibreboard pulp.
  • the manufactured product had a total surface weight of

Landscapes

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

Abstract

Couverture de surface, notamment un papier couverture Kraft, composé de plusieurs couches, de préférence de 2 à 3 couches, dans laquelle 50 à 100 % de la pâte composant la couche supérieure se compose d'une pâte de sulfate de feuillus blanchie qui ne contient pas de produit chimique à base de chlore, et à laquelle on ajoute de 0 à 15 % de pigment calculé en fonction de la pâte complètement sèche. Le reste de la pâte composant la couche supérieure consiste en pâte de sulfate de bois résineux, blanchi ou non, qui ne contient aucun produit chimique à base de chlore. La surface supérieure de la couverture présente une luminance comprise entre 45 et 85 % (valeur-Y, procédé-SCAN P 8:75) ou, mesurée sous forme de luminosité, comprise entre 32 et 85 % (Procédé-SCAN P 3:75).
PCT/SE1992/000014 1991-01-24 1992-01-13 Papier couverture kraft utilise dans une structure a plusieurs couches Ceased WO1992013137A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI924268A FI97558C (fi) 1991-01-24 1992-09-23 Monikerrosrakenteinen kraftlaineri
NO923694A NO180453B (no) 1991-01-24 1992-09-23 Kraftliner i flersjiktskonstruksjon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9100215-4 1991-01-24
SE9100215A SE467785B (sv) 1991-01-24 1991-01-24 Kraftliner i flerskiktskonstruktion

Publications (1)

Publication Number Publication Date
WO1992013137A1 true WO1992013137A1 (fr) 1992-08-06

Family

ID=20381701

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1992/000014 Ceased WO1992013137A1 (fr) 1991-01-24 1992-01-13 Papier couverture kraft utilise dans une structure a plusieurs couches

Country Status (6)

Country Link
EP (1) EP0522135A1 (fr)
FI (1) FI97558C (fr)
NO (1) NO180453B (fr)
PT (1) PT100053A (fr)
SE (1) SE467785B (fr)
WO (1) WO1992013137A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881331A1 (fr) * 1996-06-13 1998-12-02 Hoffman Environmental Systems, Inc. Produit de papier à multiples couches et procédé pour fabrication
US6187141B1 (en) 1997-09-24 2001-02-13 Uni-Charm Corporation Water-disintegratable fibrous sheet having layered structure and wiping sheet comprising the same
EP2267206A1 (fr) 2009-06-09 2010-12-29 Buckeye Technologies Inc. Couche à cellulose teint, non tissé teinté et les procédés de fabrication
EP2404756A1 (fr) * 2010-07-06 2012-01-11 Sanlucar Fruit S.L. Feuille de carton ondulé pour la fabrication de boîtes
JP2015218422A (ja) * 2014-05-21 2015-12-07 北越紀州製紙株式会社 多層抄き紙
CN111655928A (zh) * 2017-12-28 2020-09-11 克拉宾股份公司 由短化学纤维制成的牛皮纸
WO2022160024A1 (fr) 2021-01-27 2022-08-04 Klabin S.A. Papier white top kraftliner, procédé de production dudit papier, utilisation de ce papier et emballage
AT524998A1 (de) * 2021-04-21 2022-11-15 Mondi Ag Bedruckbares, mehrlagiges Papier für Verpackungen und Verfahren zu dessen Herstellung

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Dialog Information Services, File 240, PAPERCHEM No: 58-06631, Dialog Accession No. 426631, V. GRUDININ et al.: "Packaging Linerboard", USSR Pat. 1,320,314, issued June 30, 1987. *
Dialog Information Services, File 240, PAPERCHEM No: 59-01679, Dialog Accession No. 441679, R.A. HORN et al.: "Press-Drying. Chemithermomechanical Pulp for Linerboard and Corrugating Medium", Drying. Vol. 2, Paper 19: 18 p (May 19-23, 1986). *
Dialog Information Services, File 240, PAPERCHEM No: 60-02432, Dialog Accession No. 462432, A.D. ZHELEZNIKOVA et al.: "Use of Hardwood Pulp in the Manufacture of Board", Bumazh. Prom. No. 12: 11-12 (December 1974). *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881331A1 (fr) * 1996-06-13 1998-12-02 Hoffman Environmental Systems, Inc. Produit de papier à multiples couches et procédé pour fabrication
US6187141B1 (en) 1997-09-24 2001-02-13 Uni-Charm Corporation Water-disintegratable fibrous sheet having layered structure and wiping sheet comprising the same
EP2267206A1 (fr) 2009-06-09 2010-12-29 Buckeye Technologies Inc. Couche à cellulose teint, non tissé teinté et les procédés de fabrication
EP2749680A1 (fr) 2009-06-09 2014-07-02 Buckeye Technologies Inc. Couche à cellulose teint, non tissé teinté et les procédés de fabrication
EP2404756A1 (fr) * 2010-07-06 2012-01-11 Sanlucar Fruit S.L. Feuille de carton ondulé pour la fabrication de boîtes
JP2015218422A (ja) * 2014-05-21 2015-12-07 北越紀州製紙株式会社 多層抄き紙
CN111655928A (zh) * 2017-12-28 2020-09-11 克拉宾股份公司 由短化学纤维制成的牛皮纸
WO2022160024A1 (fr) 2021-01-27 2022-08-04 Klabin S.A. Papier white top kraftliner, procédé de production dudit papier, utilisation de ce papier et emballage
AT524998A1 (de) * 2021-04-21 2022-11-15 Mondi Ag Bedruckbares, mehrlagiges Papier für Verpackungen und Verfahren zu dessen Herstellung
AT524998B1 (de) * 2021-04-21 2023-02-15 Mondi Ag Bedruckbares, mehrlagiges Papier für Verpackungen und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
FI97558B (fi) 1996-09-30
NO180453B (no) 1997-01-13
NO923694L (no) 1992-09-23
SE9100215L (sv) 1992-07-25
NO923694D0 (no) 1992-09-23
FI924268L (fi) 1992-09-23
FI97558C (fi) 1998-06-17
EP0522135A1 (fr) 1993-01-13
SE467785B (sv) 1992-09-14
SE9100215D0 (sv) 1991-01-24
PT100053A (pt) 1994-04-29
FI924268A0 (fi) 1992-09-23

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