1. Department of Imaging and Printing Technology; Faculty of Science, Chulalongkirn University; Bangkok Thailand
2. Program of Petrochemistry and Polymer Science, Faculty of Science; Chulalongkorn University; Bangkok Thailand
3. Faculty of Science; Chulalongkorn University; Bangkok Thailand
4. The Academy of Science, The Royal Society of Thailand, Sanam Sueapa; Dusit Bangkok 10300 Thailand