Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Effect of polyelectrolyte types in Layer-by-Layer multilayering treatment on physical properties of paper

Layer-by-Layer 다층흡착 처리 시 고분자전해질 종류가 종이의 물성에 미치는 영향

  • Lee, Sung-Rin (Dept. of Forest Sciences, Seoul National University) ;
  • Ryu, Jae-Ho (Dept. of Forest Sciences, Seoul National University) ;
  • Chin, Seong-Min (Dept. of Forest Sciences, Seoul National University) ;
  • Youn, Hye-Jung (Dept. of Forest Sciences, Seoul National University)
  • 이성린 (서울대학교 농업생명과학대학 산림과학부) ;
  • 류재호 (서울대학교 농업생명과학대학 산림과학부) ;
  • 진성민 (서울대학교 농업생명과학대학 산림과학부) ;
  • 윤혜정 (서울대학교 농업생명과학대학 산림과학부)
  • Published : 2009.12.30
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Abstract

We investigated the effect of polyelectrolyte types in Layer-by-Layer multilayering and furnish combination on physical properties of paper. Handsheets were made from pulp fibers with different polyelectrolytes composition, and their density, formation, tensile strength, strain, tear strength and burst strength were evaluated. The density of handsheet was slightly decreased by polyelectrolyte multilayering. Formation did not show a significant change, but all mechanical properties were increased by polyelectrolyte multilayering. Remarkable improvement in tensile and tear strengths was obtained when pulp fibers were treated with cationic starch and poly styrene 4-sulfonate. Irrespectively of final ionicity of pulp fiber, tensile index, strain and tear strength of paper could be improved simultaneously by polyelectrolyte multilayering.

Keywords

References

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