1. Nicco Corporation Ltd, Cable Division, Athpur, Shyamnagar, West Bengal, India, Department of Polymer Science & Technology, University of Calcutta, 92, A.P.C Road, Kolkata -700092, West Bengal, India, Department of Chemistry, Narula Institute of Technology, 81, Nilgunj Road, Kolkata -700109, Rubber Technology Centre, Indian Institute of Technology, Kharagpur, India, and Department of Chemical Engineering, Jadavpur University, 188, Raja S. C Mallik Road, Kolkata -700032. Kolkata, India