Polymer(Korea), Vol.39, No.4, 588-592, July, 2015
미세유체시스템을 이용한 셀룰로오스 마이크로 파이버의 제조
Microfluidic Synthesis of Microfibers Based on Regeneration of Cellulose from Ionic Liquids
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초록
마이크로플루이딕 디바이스 내에서 셀룰로오스가 녹아있는 이온성 액체(1-에틸-3-메틸-이미다졸리움 아세테이트)로부터 셀룰로오스의 추출을 통한 직사각형의 단면적을 가지는 셀룰로오스 마이크로 파이버를 제조하였다. 본 연구에서 제안하는 방법은 빠른 시간 내에 간단하게 천연고분자 마이크로 파이버를 제작하기에 적합한 제조방법으로 적용가능하며, 이온성 액체와 주변 글리세린 용액의 유속비와 용액의 점도에 따라 다양한 크기의 셀룰로오스 마이크로 파이버를 제조하였다.
Rectangular cellulose microfibers were synthesized by regenerating cellulose from an ionic liquid, 1-ethyl-3-methylimidazolium acetate, in a hydrodynamic flow-focusing microfluidic device. This technique is a fast and single-step approach for producing natural polymer microfibers. The dimensions of the cellulose microfibers were readily controlled by a simple variation of the core-sheath flow rate and the viscosity of fluids.
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