1. Department of Applied Chemistry, School of Engineering, Kyungpook National University, Buk-gu, Daehak-ro 80, Daegu 41566, South Korea
2. School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, South Korea
3. R & D Center, Kuk-Il Paper Mfg. Co., Ltd., Baekok-daero 563, Cheoin-gu, Yongin 17128, South Korea