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Preparation of Cellulose/N-(2-hydroxy)propyl-3-trimethylammonium Chitosan Chloride Blend Fibers in NMMO/Water Solvent System  

남창우 (한국생산기술연구원 환경염색가공팀)
고석원 (서울대학교 공과대학 재료공학부)
최재원 (숭실대학교 공과대학 섬유공학부)
김영호 (숭실대학교 공과대학 섬유공학부)
Publication Information
Textile Science and Engineering / v.40, no.6, 2003 , pp. 473-481 More about this Journal
Abstract
Cellulose and N-(2-hydroxy)propyl-3-trimethylammonium chitosan chloride (HTCC), a water-soluble chitosan derivative synthesized by the reaction of chitosan and glycidyltrimethylammonium chloride, were blended in solution and the method to prepare blend fibers using them was investigated. Various blend solutions with different HTCC contents (up to 20％) were prepared using 50％ N-methylmorpholine-N-oxide (NMMO) aqueous solution as a co-solvent and the cellulose/HTCC blend fibers were obtained via dry-jet/wet spinning process. Some of quaternary ammonium groups in HTCC were lost and converted to primary amino groups during the dissolution and spinning process. The blend solution was brownish and transparent and no phase separation was observed. Moreover, SEM showed that HTCC component was distributed uniformly in cellulose. The blend fibers showed excellent antimicrobial activity even at very low content (1.0％) of HTCC.
Keywords
blend fiber; cellulose; N-(2-hydroxy)propyl-3-trimethylammonium chitosan chloride; NMMO; dry-jet/wet spinning; antimicrobial activity;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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