1. Department of IT Convergence; Korea National University of Transportation; Chungju-Si 380-702 Korea
2. IT Convergence Material R&D Group; Korea Institute of Industrial Technology; Cheonan-si Chungcheongnam-do 35-3 Korea
3. Department of Polymer Engineering; Korea National University of Transportation; Chungju-Si 380-702 Korea
4. Department of Chemical and Biological Engineering; Korea National University of Transportation; Chungju-Si 380-702 Korea