목질계 제지용 충전제 개발을 위한 기초연구(I)

Fundamental Study on Developing Lignocellulosic Fillers for Papermaking(I)

  • 신태기 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 김철환 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 정호경 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 서정민 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 이영록 (경상대학교 임산공학과/농업생명과학연구원)
  • Shin, Tae-Gi (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Kim, Chul-Hwan (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Chung, Ho-Kyung (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Seo, Jung-Min (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Lee, Young-Rok (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.)
  • 발행 : 2008.06.30

초록

Wastewoods (logging residues) generated in Korea were used to make lignocellulosic fillers for papermaking. Lignocellulosic fillers could play great roles to increase retention efficiency and thus decrease turbidity of white water in papermaking process. In addition, lignocellulosic fillers could be used to improve physical properties of paper through their high affinity to cellulosic fibers, leading to the less use of chemical additives like retention aids. Wastewoods including Pinus densiflora and Quercus variabilis were chemically and mechanically treated for making fine particles passing through 100 mesh wire. The newly generated fillers showed larger particle size distribution than ground calcium carbonates but similar distribution to talc. In particular, pretreatment by hot water was more effective to generate smaller particle size than by alkali treatment. Lignocellulosic particles mixed with ground calcium carbonates under intense hybridizing condition greatly contributed to surface coverage of organic fillers in addition to filling to lumen and pits.

키워드

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