EP2109544B1 - Verfahren zur herstellung von druckpapier und gemischzusammensetzung - Google Patents

Verfahren zur herstellung von druckpapier und gemischzusammensetzung Download PDF

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Publication number
EP2109544B1
EP2109544B1 EP08709308.4A EP08709308A EP2109544B1 EP 2109544 B1 EP2109544 B1 EP 2109544B1 EP 08709308 A EP08709308 A EP 08709308A EP 2109544 B1 EP2109544 B1 EP 2109544B1
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EP
European Patent Office
Prior art keywords
paper
starch
mixture
linker
printing
Prior art date
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Application number
EP08709308.4A
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English (en)
French (fr)
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EP2109544A1 (de
EP2109544A4 (de
Inventor
Nina PYKÄLÄINEN
Päivi VARVEMAA
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.)
UPM Kymmene Oy
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UPM Kymmene Oy
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Publication date
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Publication of EP2109544A1 publication Critical patent/EP2109544A1/de
Publication of EP2109544A4 publication Critical patent/EP2109544A4/de
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • 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

Definitions

  • the invention relates to a method for making printing paper as defined in the preamble of claim 1 and to a mixture composition for the surface-sizing of printing paper as defined in the preamble of claim 4.
  • the inkjet-based printing techniques it is important to ensure sufficient printing ink absorption in the high speed inkjet papers to provide a sufficiently good colour print.
  • the important criterion is that the printing inks of different colours do not blend together.
  • uncoated papers sufficient absorption can be ensured by low hydrophobic sizing level of the base paper, which has been disclosed e.g. in patent application WO 2006067273 .
  • anionic aqueous printing ink must be bound to the paper in order for the print to be waterfast. Waterfastness is essential for example in bank balance statements and other similar prints. It is known that waterfastness can be improved by adding cationic polymers to the surface-size or coating on the surface of the paper.
  • the most commonly used polymer is polyDADMAC.
  • Many of the fixatives used at the wet end of the paper machine are suitable for this purpose.
  • Patent application WO 2006067273 discloses the surface treatment of printing paper with a cationic polymer together with an internal sizing treatment of the paper. The suggested optimal amount is 2g/m 2 , in which case about half of the amount of the surface-size should be replaced with the cationic polymer.
  • the amount of the cationic polymer as presented above increases the production costs of the printing paper.
  • EP 0327215 From WO 98/32920 , EP 0327215 , US 5672392 and EP 0747235 are known different sizing or coating compositions and methods for surface sizing or coating of substrate. From US 6764726 is known an ink jet recording sheet having improved image waterfastness.
  • the objective of the invention is to eliminate the drawbacks referred to above.
  • One specific objective of the invention is to disclose a new method and surface-size mixture composition for making printing paper.
  • the objective of the invention is to disclose a new way of improving printability of printing paper.
  • the invention is based on a method for making printing paper, which method comprises forming an uncoated paper.
  • a surface-size mixture comprising starch and polyvinyl pyrrolidone and cross-linker is arranged on the surface of the uncoated paper for improving printability of the paper, and the surface-size mixture comprises 45 - 99% starch, 1 - 50% polyvinyl pyrrolidone and less than 5 % cross-linker which is epoxy-based or glycosal-based cross-linker, and the starch is cationic starch.
  • Printability means print quality, waterfastness and/or degree and rate of absorption.
  • Print quality means print sharpness and/or evenness.
  • the invention is specifically based on improving inkjet printability in uncoated papers by a new surface-size composition.
  • paper means any fibre-based paper, board or fibre product or the like.
  • the paper may have been made from chemical pulp, mechanical pulp, chemimechanical pulp and/or the like.
  • the paper may be in the form of a wet web, dried web or sheet, or in other form which is suitable for the purpose.
  • the paper may comprise suitable fillers and additives.
  • uncoated fine paper which mainly does not comprise mechanical pulp, e.g. WFU or UWF, is used in the method.
  • uncoated paper which does comprise mechanical pulp, e.g. SC paper or newsprint.
  • One embodiment of the invention comprises producing high speed inkjet paper with good printability.
  • the surface-size mixture is in the form of a solution, dispersion or paste.
  • the mixture can be arranged or applied on the surface of the paper by any manner known per se in the art.
  • the surface-size mixture is arranged on the surface of the formed paper web in conjunction with the web formation, e.g. in conjunction with the drying. In one embodiment, the mixture is arranged on the surface of the formed web in a separate step after the formation of the web.
  • a base paper web is formed in a manner known per se and cut to the correct width.
  • the web is coated with the surface-size mixture. If desired, the web is cut into sheets or the like, and the web or the paper products cut off from it are provided with the desired print in the desired manner.
  • the print can be provided by a digital printing method, e.g. inkjet-based technique.
  • the invention is based on a mixture composition to be used for making printing paper.
  • the mixture composition comprises starch and polyvinyl pyrrolidone and cross-linker and the mixture composition comprises 45 - 99% starch, 1 - 50% polyvinyl pyrrolidone and less than 5 % cross-linker which is epoxy-based or glycosal-based cross-linker, and the starch is cationic starch, and the mixture composition can be arranged on the surface of an uncoated paper as surface-size.
  • the mixture composition comprises less than 5% cross-linker.
  • the cross-linker may be e.g. an epoxy-based, a glycosal-based or a zirconium-based cross-linker.
  • the mixture composition comprises a cationic polymer. In one embodiment, the mixture composition comprises less than 15% cationic polymer.
  • the mixture composition comprises 45 - 99% starch.
  • the mixture composition comprises 1 - 50% polyvinyl pyrrolidone.
  • the polyvinyl pyrrolidone may be in any state and be present as a pure agent or mixture.
  • the surface-sizing composition in accordance with the invention provides a printing paper of excellent print quality and improved printability characteristics. Furthermore, the surface-sizing composition in accordance with the invention provides quicker colour absorption / setting rate in the printing.
  • the invention provides an industrially applicable, easy and fast way of making printing paper.
  • the method in accordance with the invention is easy, simple and affordable to be executed as a production process.
  • the method in accordance with the invention is suitable to be used for making different kinds of printing papers, specifically for making inkjet-type, such as high speed inkjet, printing papers.
  • the tests of this example involved examining different kinds of surface-sizing compositions to be used in WFU paper for high speed inkjet printing. The tests were conducted in a laboratory scale.
  • the base paper used in the tests was a low internal-sized uncoated fine paper with the basis weight of about 82g/m 2 and Cobb values of about 60 - 70g/m 2 .
  • the paper was surface-sized on one side with an RK laboratory coater and a rod at about 3g/m 2 .
  • the surface-size mixture compositions are presented in Tables 1 and 2.
  • the pH value of the surface-size mixture was 7.5.
  • the surface-sized papers were printed by two inkjet printers; Epson Stylus C46 with Versamark ink and Canon Pixma iP3000.
  • the printed papers were rated as to the printing ink absorbency, line spreading and roughness, waterfastness (K,M), wet rub and densities.
  • the visual properties of the printed papers were examined by three persons.
  • Waterfastness means blackness after wetting / blackness before wetting x 100%. A higher value indicates better waterfastness; the value may exceed 100%.
  • Wet rub means blackness of the white area after rubbing / blackness of the black area before rubbing. A lower value indicates better wet rub x 100%; the value may be zero.
  • Table 1 presents the agents used in the tests.
  • Table 2 presents the surface-sizing agent compositions used in the individual tests. The solids content of the compositions was about 12%.
  • Table 3 presents the results analysed from the printed paper.
  • Agent Agent composition A cationic starch B PVP (polyvinyl pyrrolidone) aqueous solution C cationic polyalkylamide polymer D epoxy-based cross-linker E glycosal-based cross-linker
  • the N-vinyl-2-pyrrolidone homopolymer was used as the PVP. It dissolves in water and many organic solvents, such as alcohols, amines, acids, chlorinated hydrocarbons and amides. In a solution, it exhibits excellent wetting properties and good film-forming capability. It is more hydrophilic than starch and a better OBA activator, but it is more difficultly cross-linked.
  • the tests of this example involved examining different surface-sizing compositions to be used in WFU paper for high speed inkjet printing. The tests were conducted in a pilot scale.
  • the base paper according to Example 1 was used in the tests, and it was coated accordingly with a surface-size mixture at 2.5g/m 2 .
  • the surface-size mixture compositions are presented in Table 4.
  • the solids content of the compositions was 12%.
  • the Digat absorption time was reduced when using PVP in the surface-size composition, compared to the results obtained with the reference surface-size mixture.
  • the absorption time for black ink when using PVP was in the range of 100 - 200ms, and when using only starch (Ref) it was more than 300ms.
  • Waterfastness was found to be good in all compositions, preferably more than 100%. Also wet rub was good in all compositions, preferably less than 12%.
  • This test involved examining printing of papers that were surface-sized with the compositions in accordance with Test 2 by digital high speed inkjet printing machines.
  • Waterbleed means blackness of the white area after wetting / blackness of the black area before wetting x 100%. A lower value indicates better result. The goal is a result of less than 10%; the value may be zero.
  • the setting time of Digat ink was shorter when using a PVP-containing surface-size composition compared to the reference composition.
  • the setting time with the PVP-containing composition was mainly less than 150ms.
  • composition 8 with 10 parts PVP and 90 parts starch seemed to emerge as the preferred surface-sizing mixture composition.
  • a PVP-containing surface-size composition provides an excellent printing paper with good printability and print quality.
  • the method in accordance with the invention is suitable in different embodiments to be used for making the most different kinds of printing papers.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Claims (5)

  1. Verfahren zur Herstellung von Druckpapier, wobei das Verfahren das Ausbilden einen unbeschichteten Papiers umfasst, dadurch gekennzeichnet, dass eine Flächengrößenmischung (surface-size mixture), die Stärke und Polyvinylpyrrolidon und Vernetzer enthält, auf der Oberfläche des unbeschichteten Papiers aufgetragen wird und so die Bedruckbarkeit des Papiers verbessert wird, und dass die Flächengrößenmischung 45 - 99% Stärke, 1 - 50% Polyvinylpyrrolidon und weniger als 5% Vernetzer, welcher ein Vernetzer auf Epoxidbasis oder Glykosalbasis ist, umfasst, und dass die Stärke kationische Stärke ist.
  2. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, dass die Flächengrößenmischung in der Form einer Lösung oder Dispersion vorliegt.
  3. Verfahren gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Hochgeschwindigkeitstintenstrahlpapier mit guter Bedruckbarkeit hergestellt wird.
  4. Mischungszusammensetzung zur Verwendung bei der Herstellung von Druckpapier, dadurch gekennzeichnet, dass die Mischungszusammensetzung Stärke und Polyvinylpyrrolidon und Vernetzer umfasst und dass die Mischungszusammensetzung 45 - 99% Stärke, 1 - 50% Polyvinylpyrrolidon und weniger als 5% Vernetzer, welcher ein Vernetzer auf Epoxidbasis oder Glykosalbasis ist, umfasst, und dass die Stärke kationische Stärke ist, und dass die Mischungszusammensetzung als eine Flächengröße auf der Oberfläche eines unbeschichteten Papiers ausgebildet ist.
  5. Mischungszusammensetzung gemäß Anspruch 4, dadurch gekennzeichnet, dass die Mischung ein kationisches Polymer umfasst.
EP08709308.4A 2007-02-05 2008-02-05 Verfahren zur herstellung von druckpapier und gemischzusammensetzung Active EP2109544B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20070102A FI123481B (fi) 2007-02-05 2007-02-05 Menetelmä painopaperin valmistamiseksi ja seoskoostumus
PCT/FI2008/050040 WO2008110661A1 (en) 2007-02-05 2008-02-05 A method for making printing paper and a mixture composition

Publications (3)

Publication Number Publication Date
EP2109544A1 EP2109544A1 (de) 2009-10-21
EP2109544A4 EP2109544A4 (de) 2012-09-05
EP2109544B1 true EP2109544B1 (de) 2020-09-30

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EP08709308.4A Active EP2109544B1 (de) 2007-02-05 2008-02-05 Verfahren zur herstellung von druckpapier und gemischzusammensetzung

Country Status (3)

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EP (1) EP2109544B1 (de)
FI (1) FI123481B (de)
WO (1) WO2008110661A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI433674B (zh) 2006-12-28 2014-04-11 Infinity Discovery Inc 環杷明（ｃｙｃｌｏｐａｍｉｎｅ）類似物類

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050032642A1 (en) * 2003-08-05 2005-02-10 Fuji Photo Film Co., Ltd. Heat-sensitive recording material

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1186574A (en) * 1980-08-20 1985-05-07 Mutsuaki Murakami Ink jet recording sheet
GB8801004D0 (en) * 1988-01-18 1988-02-17 Hercules Inc Cellulose sizing agents for neutral/alkaline systems
GB9215422D0 (en) * 1992-07-21 1992-09-02 Hercules Inc System for sizing paper and cardboard
DE4338486A1 (de) 1993-11-11 1995-08-10 Basf Ag Verfahren zur Herstellung von Aufzeichnungsmaterialien für Tintenstrahldrucker
GB9511482D0 (en) 1995-06-07 1995-08-02 Wiggins Teape Group The Limite Ink jet printing paper
WO1998032920A1 (en) 1997-01-22 1998-07-30 Betzdearborn Inc. Process of making surface sized paper products and surface sizing composition for use therein
US6291023B1 (en) * 1998-04-22 2001-09-18 Sri International Method and composition for textile printing
US6764726B1 (en) * 1999-05-12 2004-07-20 Sen Yang Ink jet recording sheet with improved image waterfastness
US6881300B2 (en) * 1999-12-02 2005-04-19 Space Environmental Technology Company, Inc. Sizing agent and recording paper comprising sizing agent
US7314656B2 (en) * 2003-11-17 2008-01-01 Fuji Xerox Co., Ltd. Recording paper and method for recording images using the same
FI120510B (sv) * 2004-12-23 2009-11-13 M Real Oyj Tryckpapper och förfarande för framställning därav

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050032642A1 (en) * 2003-08-05 2005-02-10 Fuji Photo Film Co., Ltd. Heat-sensitive recording material

Also Published As

Publication number Publication date
FI20070102A0 (fi) 2007-02-05
WO2008110661A1 (en) 2008-09-18
FI123481B (fi) 2013-05-31
EP2109544A1 (de) 2009-10-21
FI20070102A (fi) 2008-08-06
EP2109544A4 (de) 2012-09-05

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