1. Department of Chemistry; Gandhigram Rural University; Dindigul Tamil Nadu 624302 India
2. Department of Polymer Science and Engineering, 120 Governors Dr; University of Massachusetts-Amherst; Amherst MA 01003 USA
3. Department of Chemistry and Biochemistry, School of Medicine; University of Rijeka; Braće Branchetta 20 51000 Rijeka Croatia
4. Division of Organic Coatings and Polymers; Indian Institute of Chemical Technology; Hyderabad 500607 India
5. Rudjer Bošković Institute; Bijenička 54 10000 Zagreb Croatia
6. School of Chemical Sciences; Mahatma Gandhi University; P. D. Hills Kerala 686560 India