Startseite Facile fabrication of hydrophobic cellulosic paper with good barrier properties via PVA/AKD dispersion coating
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Facile fabrication of hydrophobic cellulosic paper with good barrier properties via PVA/AKD dispersion coating

  • Zhenghui Shen , Soojin Kwon , Kyudeok Oh , Araz Rajabi Abhari und Hak Lae Lee EMAIL logo
Veröffentlicht/Copyright: 29. Oktober 2019
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Abstract

Due to the micro-sized pores on cellulosic substrate surface and the hygroscopic nature of cellulosic fibers, paper has poor barrier properties. Dispersion coating can improve the barrier properties of cellulosic paper noticeably by forming a continuous, non-porous polymer film on paper surface. In this work, the excellent film-forming performance of polyvinyl alcohol (PVA) was used to seal the surface pores of paper, thus enhancing the barrier properties. Alkyl ketene dimer (AKD) was also added as a coating component to improve the water resistance of paper. Results showed that after PVA/AKD coating hydrophilic base paper changed to hydrophobic one, as proved by water contact angle (WCA) measurements. The water vapor transmission rate (WVTR) of base paper decreased sharply from 543 g/m2·day to 2 g/m2·day in the case of PVA/AKD triple coating, where the threshold of WVTR was reached. Meanwhile, the pristinely non-grease resistant base paper converted to a product with the highest grease resistance level. Furthermore, both elongation at break and tensile strength of base paper improved markedly after PVA/AKD coating. It was concluded that these improved properties were contributed by the combined use of PVA and AKD in the coating.

Award Identifier / Grant number: 201708120051

Funding statement: The author Zhenghui Shen acknowledges the support from the China Scholarship Council (CSC, grant No. 201708120051).

Acknowledgments

Moorim Paper Co. Ltd. is thanked for providing the base paper.

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

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Received: 2019-04-30
Accepted: 2019-09-06
Published Online: 2019-10-29
Published in Print: 2019-11-18

© 2019 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Review
  3. A broad overview on innovative functionalized paper solutions
  4. Chemical pulping
  5. Suitability of eight years kadam tree (Neolamarckia cadamba) in chemical pulping
  6. Bleaching
  7. Using Oxone and TAED activator in non-chlorine bleaching of soda bagasse pulp
  8. Impact of dissolved organic matter in D0- and AD0-stages in bleaching of birch kraft pulp
  9. Paper technology
  10. Effects of a stylus on the surface roughness determination in a contact method for paper and paperboard
  11. Structure analysis of three non-wood materials for liner paper
  12. Paper chemistry
  13. The influences of chlorhexidine and modified galactomannan additions on the physical and antibacterial properties of paper
  14. Optimization of the process variables for treating cellulose fiber with NaOH/urea aqueous solution for improved water retention value and paper strength
  15. The application of organosilicon modified polyurethane in reinforcing traditional paper
  16. Effect of ionic liquid pretreatment on paper physical property and pulp refining performance
  17. Coating
  18. Antibacterial effect of Ag nanoparticles into the paper coatings
  19. Facile fabrication of hydrophobic cellulosic paper with good barrier properties via PVA/AKD dispersion coating
  20. Printing
  21. Enhanced ink-absorption performance of inkjet printing paper-based patterns with core-shell-structure CaCO3@SiO2 pigments
  22. Application of gradient method for separately analyzing optical and mechanical dot gain of electrophotography prints
  23. Effect of the paper surface properties on the ink transfer parameters in offset printing
  24. Environmental impact
  25. Novel methods for monitoring the sludge dewatering operation of a belt filter: a mill study
  26. Lignin
  27. Structural characterization of the bagasse lignin pretreated using solid alkali
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