*School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education, Cheonan, Chungnam 31253, Korea
**Research Center of Eco-friendly & High Performance Chemical Materials, Cheonan, Chungnam 31253, Korea (Received May 1, 2019; Revised July 19, 2019; Accepted August 15, 2019)
*한국기술교육대학교 에너지, 신소재, 화학공학부, **친환경고성능화학소재연구소
2019; 43(6): 824-830
Published online Nov 25, 2019
*School of Energy, Materials and Chemical Engineering, Korea University of Technology and Education, Cheonan, Chungnam 31253, Korea
**Research Center of Eco-friendly & High Performance Chemical Materials, Cheonan, Chungnam 31253, Korea