Browse > Article

Morphological and Physicochemical Changes of NBKP by Alkali Pretreatment  

Mun, Sung-Phil (Dept of Wood & Technology, Chonbuk National University)
Jang, Min-Hwan (CLEAN & SCIENCE, Co. Ltd.)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.41, no.4, 2009 , pp. 58-64 More about this Journal
Abstract
This study was carried out to prepare high porosity pulp for oil and air filter media from commercial grade NBKP with 6 - 20% NaOH treatment. The fiber width of NBKP remarkably decreased by NaOH pretreatment. The air permeability of the test sheet prepared from alkali-pretreated NBKP increased with increasing NaOH concentration up to 15%. The burst factor was greatly decreased by alkali pretreatment. By 15 - 20% NaOH pretreatment of NBKP, it could be possible to prepare a high porosity pulp. It seems that the high porosity of the pulp was due to a strong swelling and a great change of the cellulose crystalline lattice from cellulose I to cellulose II with NaOH treatment of NBKP. The study suggested that alkali- pretreated NBKP could be used for manufacturing oil and air filter media.
Keywords
porosity; alkali pretreatment; NBKP; filter; cellulose I; cellulose II; swelling; crystalline lattice;
Citations & Related Records

Times Cited By SCOPUS : 1
연도 인용수 순위
  • Reference
1 송경헌, 양진숙, 홍영기, 이래연, 정병철, 알칼리 종류에 따른 머서화 가공면포의 물성 변화에 관한 연구, 한국섬유공학회지 35(2):105-110(1998)   과학기술학회마을   ScienceOn
2 박상진, 이원용, 이화형, 목재조직과 식별, 향문사, p. 99 (1987)
3 서용부, 실 머서화 가공, 한국섬유공학회지 24(6):163-168(1987)
4 노세극, Mercerization 가공에 대해서, 한국섬유공학회지 31(11):817-823(1994)
5 Jahan, M. S. and Mun, S. P., Effect of tree age on the cellulose structure of Nalita wood (Trema orientalis), Wood Sci. Technol. 39(5):367-373(2005)   DOI   ScienceOn
6 Kim, N. H., An investigation of mercerization in decayed oak wood by a white rot fungus (Lentinula edodes), J. Wood Sci. 51(3):290-294(2005)   DOI   ScienceOn
7 Kim, N. H., Sugiyama, J. and Okano, T., X-ray and electron diffraction study of Na cellulose I -The effect of Washing temperature on the structure of Na-cellulose I-, Mokuzai Gakkaishi 37(7):637-643(1991)
8 조환, 최신 섬유 가공학, 형설출판사, pp. 73-77 (1992)
9 윤병호 외 10명, 임산화학 실험서, 향문사, pp. 96-97 (1998)
10 Kim, N. H., Sugiyama, J. and Okano, T., X-ray and electron diffraction study of Na-cellulose I -Formation and its reconversion back to cellulose I-, Mokuzai Gakkaishi 36(2):120-125(1990)
11 Fengel D. and Wegener, G., Wood, Walter de Gruyter, Berlin, New York, p. 66 (1984)