1. Silicone Research Group, School of Materials & Mineral Resources Engineering, Engineering Campus; Universiti Sains Malaysia; Nibong Tebal Pulau Pinang 14300 Malaysia
2. Penchem Technologies Sdn. Bhd; Pulau Pinang 14100 Malaysia
3. School of Wood Science & Technology; Mangattuparamba Campus, Kannur University; Kannur 670567 Kerala India