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Manufacture of high bulk paper using alkali swollen kraft pulp

  • Kyoung-Hwa Choi , Ah Ram Kim and Byoung-Uk Cho EMAIL logo
Published/Copyright: August 7, 2018
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Nordic Pulp & Paper Research Journal
From the journal Nordic Pulp & Paper Research Journal Volume 33 Issue 3

Abstract

Effects of alkali swelling of kraft pulp fibers and the order of alkali swelling and beating treatments on paper bulk and paper strength were evaluated in terms of NaOH concentration in order to produce high bulk sheet (i. e., high porous and low density sheet). Effects of replacement of part of furnish with the alkali swollen pulp on paper properties were also investigated. It was found that alkali swelling of pulp fiber can increase the bulk of handsheet. NaOH concentration and beating treatment influenced paper bulk and paper strength. Alkali swollen pulp without beating showed the highest handsheet bulk. The paper bulk of alkali swollen pulp with pre-beating was higher than that with post-beating. Paper strength decreased with increasing the bulk of handsheet. In addition, replacement of part of furnish with alkali swollen pulps increased paper bulk, adversely decreasing paper strength. The highest improvement in paper bulk was achieved with the addition of alkali swollen SwBKP without beating.

Keywords: alkali swelling; alkali-swollen kraft pulp; beating; high bulk paper; NaOH concentration; paper strength

Funding source: Ministry of Education

Award Identifier / Grant number: 2015R1D1A1A01059685

Funding statement: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (no. 2015R1D1A1A01059685).

  1. Conflict of interest: The authors declare no conflicts of interest.

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Received: 2018-03-26
Accepted: 2018-07-01
Published Online: 2018-08-07
Published in Print: 2018-09-25

© 2018 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Editorials
  3. Farewell and good luck to Nordic Pulp & Paper Research Journal
  4. Change of Editor-in-Chief
  5. Biorefinery
  6. Kinetic study on the decomposition of cellulose into 5-hydroxymethylfurfural in an ionic liquid/organic biphasic system
  7. Antibacterial evaluation of CNF/PVAm multilayer modified cellulose fiber and cellulose model surface
  8. Chemical pulping
  9. Dewatering properties of low grammage handsheets of softwood kraft pulps modified to minimize the need for refining
  10. NSSC pulping of fast growing trees
  11. Addition of corn fiber xylan to eucalyptus and pinus pulp and its effect on pulp bleachability and strength
  12. Recovery
  13. Removal of hazardous trace elements from green liquor dregs by mechanical separation methods
  14. Bleaching
  15. Additives to decrease cellulose chain scission during ozone bleaching of wheat straw pulp
  16. Mechanical pulping
  17. Comparative properties of nanofibers produced using unbleached and bleached wheat straw pulps
  18. Effects of chip pretreatment and feeding segments on specific energy and pulp quality in TMP production
  19. An experimental study of the chipping process with focus on energy consumption and chipping angles
  20. Average fibre length as a measure of the amount of long fibres in mechanical pulps – ranking of pulps may shift
  21. Paper technology
  22. The effect of in-line foam generation on foam quality and sheet formation in foam forming
  23. The wet strength of water- and foam-laid cellulose sheets prepared with polyamideamine-epichlorohydrin (PAE) resin
  24. Manufacture of high bulk paper using alkali swollen kraft pulp
  25. Paper physics
  26. The impact of zeolite filler on ageing and mechanical failure of paper
  27. The relationship between shrinkage and elongation of bleached softwood kraft pulp sheets
  28. Paper chemistry
  29. Engineered porous calcium silicate as paper filler: effect of filler morphology on paper properties
  30. Printing
  31. Edge spread function for the paper-ink system
  32. Packaging
  33. Lignin-containing coatings for packaging materials
  34. Environmental impact
  35. Application of Fenton’s reagent degrades dissolved and colloidal substances in old corrugated container white water
  36. Quick estimation for pollution load contributions of aromatic organics in wastewater from pulp and paper industry
  37. Recycling
  38. Circular action treatment (CAT): a new strategy for mechanical treatment of old corrugated containers II – comparison of CAT with low-consistency beating
  39. Corrigendum
  40. Corrigendum to: The influence of bar width on bar forces and fibre shortening in low consistency pulp refining
https://doi.org/10.1515/npprj-2018-3059
Keywords for this article
alkali swelling; alkali-swollen kraft pulp; beating; high bulk paper; NaOH concentration; paper strength

Articles in the same Issue

  1. Frontmatter
  2. Editorials
  3. Farewell and good luck to Nordic Pulp & Paper Research Journal
  4. Change of Editor-in-Chief
  5. Biorefinery
  6. Kinetic study on the decomposition of cellulose into 5-hydroxymethylfurfural in an ionic liquid/organic biphasic system
  7. Antibacterial evaluation of CNF/PVAm multilayer modified cellulose fiber and cellulose model surface
  8. Chemical pulping
  9. Dewatering properties of low grammage handsheets of softwood kraft pulps modified to minimize the need for refining
  10. NSSC pulping of fast growing trees
  11. Addition of corn fiber xylan to eucalyptus and pinus pulp and its effect on pulp bleachability and strength
  12. Recovery
  13. Removal of hazardous trace elements from green liquor dregs by mechanical separation methods
  14. Bleaching
  15. Additives to decrease cellulose chain scission during ozone bleaching of wheat straw pulp
  16. Mechanical pulping
  17. Comparative properties of nanofibers produced using unbleached and bleached wheat straw pulps
  18. Effects of chip pretreatment and feeding segments on specific energy and pulp quality in TMP production
  19. An experimental study of the chipping process with focus on energy consumption and chipping angles
  20. Average fibre length as a measure of the amount of long fibres in mechanical pulps – ranking of pulps may shift
  21. Paper technology
  22. The effect of in-line foam generation on foam quality and sheet formation in foam forming
  23. The wet strength of water- and foam-laid cellulose sheets prepared with polyamideamine-epichlorohydrin (PAE) resin
  24. Manufacture of high bulk paper using alkali swollen kraft pulp
  25. Paper physics
  26. The impact of zeolite filler on ageing and mechanical failure of paper
  27. The relationship between shrinkage and elongation of bleached softwood kraft pulp sheets
  28. Paper chemistry
  29. Engineered porous calcium silicate as paper filler: effect of filler morphology on paper properties
  30. Printing
  31. Edge spread function for the paper-ink system
  32. Packaging
  33. Lignin-containing coatings for packaging materials
  34. Environmental impact
  35. Application of Fenton’s reagent degrades dissolved and colloidal substances in old corrugated container white water
  36. Quick estimation for pollution load contributions of aromatic organics in wastewater from pulp and paper industry
  37. Recycling
  38. Circular action treatment (CAT): a new strategy for mechanical treatment of old corrugated containers II – comparison of CAT with low-consistency beating
  39. Corrigendum
  40. Corrigendum to: The influence of bar width on bar forces and fibre shortening in low consistency pulp refining
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