Skip to main content

Official Journal of the Japan Wood Research Society

  • Note
  • Published:

Development of high-retention water absorbent from cellulosic materials: water absorbent from bleached kraft pulp

Abstract

This paper describes the synthesis of highretention water absorbents from kraft pulp and examination of their properties. A bleached kraft pulp from mixed hardwoods (LBKP) was carboxymethylated, then crosslinked with polyethylene glycol diglycidyl ethers (PEGDGE) with different degrees of polymerization under different conditions. A crosslinking agent with longer chain length might be advantageous for preparing a water absorbent with high water retention, and water retention could be improved at lower molar ratio of the crosslinking agent to the glucose unit. Isolation of carboxymethylated LBKP before crosslinking was advantageous for higher water absorbence. A water absorbent with a water retention value of as high as 500 times its weight was obtained.

References

  1. Weaver MO, Montgomery RR, Miller LD, Sohns VE, Fanta GF, Doane WM (1977) A practical process for the preparation of super slurper, a starch-based polymer with a large capacity to absorb water. Starke 29:413–422

    Article  CAS  Google Scholar 

  2. Nukushina K (1980) Super absorbent (in Japanese). Yuki Gosei Kagaku 38:546–554

    Article  CAS  Google Scholar 

  3. Miyata N, Sakata I (1991) Synthesis and properties of hydroxyethylcellulose graft copolymers as super water-absorbents. Sen'i Gakkaishi 47:95–101

    Article  CAS  Google Scholar 

  4. Motohashi T (1984) High water-absorbent resin (in Japanese). Kobunshi Kako 33:452–457

    Google Scholar 

  5. Lepoutre P, Hui SH, Robertson AA (1976) Some properties of polyelectrolyte-grafted cellulose. J Macromol Sci Chem Part A 10:681–693

    Article  Google Scholar 

  6. Tsukamoto H (1996) Introduction of the superabsorbent materials (in Japanese). J Jpn TAPPI 48(2):28–34

    Google Scholar 

  7. Arai K, Goda H (1993) Crosslinked sodium cellulose sulfate as a highly absorbent material (in Japanese). Sen'i Gakkaishi 49:482–485

    Article  CAS  Google Scholar 

  8. Lepoutre P, Hui SH, Robertson AA (1973) The water absorbency of hydrolyzed polyacrylonitrile-graft cellulose fibers. J Appl Polym Sci 17:3143–3156

    Article  Google Scholar 

  9. Williams JL, Stannett VT (1979) Highly water-absorptive cellulose by postdecrystallization. J Appl Polym Sci 23:1265–1268

    Article  CAS  Google Scholar 

  10. Vitta SB, Stahel EP, Stannett VT (1986) The preparation and properties of acrylic and methacrylic acid grafted cellulose prepared by ceric ion initiation. II. Water retention properties. J Appl Polym Sci 32:5799–5810

    Article  CAS  Google Scholar 

  11. Yoshinobu M, Morita M, Sakata I (1992) Porous structure and rheological properties of hydrogels of highly water absorptive cellulose graft copolymers. J Appl Polym Sci 45:805–812

    Article  CAS  Google Scholar 

  12. Yoshinobu M, Morita M, Sakata I (1991) Water and moisture sorptive properties of some cellulosic graft copolymers. Sen'i Gakkaishi 47:102–108

    Article  CAS  Google Scholar 

  13. Kuwabara S, Kubota H (1996) Water-absorbing characteristics of acrylic acid-grafted carboxmethylcellulose synthesized by photo-grafting. J Appl Polym Sci 60:1965–1970

    Article  CAS  Google Scholar 

  14. Green JW (1963) O-carboxymethylcellulose. In: Whistler RL (ed) Methods in carbohydrate chemistry, vol 3. Academic Press, San Diego, pp 322–327

    Google Scholar 

  15. Klemm D, Philipp B, Heinze T, Wagenknecht W (1998) Carboxymethylcellulose, heterogeneous synthesis in isopropanol/water. In: Comprehensive cellulose chemistry, vol 2. Wiley-VCH, Weinheim, pp 353–354

    Google Scholar 

  16. Ho FFL, Klosiewicz DW (1980) Proton nuclear magnetic resonance spectrometry for determination of substituents and their distribution in carboxymethylcellulose. Anal Chem 52:913–916

    Article  CAS  Google Scholar 

  17. Bach Tuyet LT, Iiyama K, Nakano J (1985) Preparation of car-boxymethylcellulose from refiner mechanical pulp. III. Degree of substitution and distribution in carboxmethylcellulose. Mokuzai Gakkaishi 31:8–13

    Google Scholar 

  18. Bach Tuyet LT, Iiyama K, Nakano J (1985) Preparation of carboxymethylcellulose from refiner mechanical pulp. IV. Analyses of carboxymethylated polysaccharides by the use of1H-NMR. Mokuzai Gakkaishi 31:14–19

    Google Scholar 

  19. Scallan AM, Carles JE (1972) The correlation of the water retention value with the fibre saturation point. Svensk Papperstidn 75:699–703

    CAS  Google Scholar 

  20. Bach Tuyet LT (1983) Studies on the carboxymethylation of refiner mechanical pulp (in Japanese). Doctoral thesis, University of Tokyo, p 2

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Gyosuke Meshitsuka.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Xiao, Y., Meshitsuka, G. Development of high-retention water absorbent from cellulosic materials: water absorbent from bleached kraft pulp. J Wood Sci 47, 394–399 (2001). https://doi.org/10.1007/BF00766792

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00766792

Key words