1. Department of Polymer Engineering and Color Technology Amirkabir University of Technology No.424, Hafez Ave., Tehran Iran, 15875‐4413
2. Department of Organic Colourants Institute for Color Science and Technology No.55, Vafamanesh St., Tehran Iran, 16765‐654
3. Center of Excellence for Color Science and Technology No.55, Vafamanesh St., Tehran Iran, 16765‐654