1. a Department of Textile Engineering , Sung Kyun Kwan University , Suwon , 440-746 , Korea
2. b Department of Chemical Engineering , Sung Kyun Kwan University , Suwon , 440-746 , Korea
3. c Department of Chemistry , Sung Kyun Kwan University , Suwon , 440-746 , Korea
4. d Department of Textile Engineering , Chungnam National University , Daejeon , Korea