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Influence of Residual Ionic Liquid on the Thermal Stability and Electromechanical Behavior of Cellulose Regenerated from 1-Ethyl-3-Methylimidazolium Acetate
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  • Influence of Residual Ionic Liquid on the Thermal Stability and Electromechanical Behavior of Cellulose Regenerated from 1-Ethyl-3-Methylimidazolium Acetate
  • Influence of Residual Ionic Liquid on the Thermal Stability and Electromechanical Behavior of Cellulose Regenerated from 1-Ethyl-3-Methylimidazolium Acetate
저자명
Mahadeva. Suresha K.,Kim. Jae-Hwan
간행물명
Fibers and polymers
권/호정보
2012년|13권 3호|pp.289-294 (6 pages)
발행정보
한국섬유공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The regenerated cellulose films were prepared by dissolving cotton cellulose pulp directly in room temperature ionic liquid namely, 1-ethyl-3-methylimidazolium acetate at $80^{circ}C$, followed by washing/curing in different coagulants namely, methanol, deionized water, methanol- deionized water, and isopropyl alcohol- deionized water. It was found that the type of coagulants employed for curing the cellulose films has a significant influence on the amount of residual ionic liquid entrapped in the films. The amount of residual ionic liquids was 2.68, 1.01, 0.84, and 0.75 wt.% for the films cured with deionized water, isopropyl alcohol- deionized water, methanol, and methanol- deionized water, respectively. The DTG peaks of regenerated cellulose films showed two decomposition temperatures at $280^{circ}C$ and $320^{circ}C$. Among all the cases studied, deionized water curing case showed the lowest decomposition temperature, attributed to entrapment of large residual ionic liquid in it. Electromechanical characteristic of the regenerated cellulose films was also investigated.