1. Institute of Chemistry The University of São Paulo Professor Lineu Prestes Av. 748 São Paulo 05508‐000 Brazil
2. Fiber Development, Materials and Production Research Institutes of Sweden (RISE IVF) Box 104 SE‐431 22 Mölndal Sweden
3. Applied Chemistry Department Sardar Vallabhbhai National Institute of Technology Surat 395 007 Gujarat India