Duanghathai PentrakoonAssoc. Prof. Dr.Lecturer and researcher in polymer science and textile. Assoc. Prof. Dr. Duanghathai Pentrakoonรองศาสตราจารย์ ดร. ดวงหทัย เพ็ญตระกูลEducation: B.Sc. (Polymer Science and Technology) จาก University of Manchester Institute of Science and Technology (UMIST), England M.Sc. (Polymer Science and Technology) จาก University of Manchester Institute of Science and Technology (UMIST), England Ph.D. (Polymer Science and Technology) จาก University of Manchester Institute of Science and Technology (UMIST), EnglandResearch Area:Use of Lignin Extracted From Pulping Black Liquor as Flame RetardantAntioxidant from Thai Essential Oil for PolyethyleneWaste Reduction in PE/EVA Foam ProductionPreparation of Foam from Graft Copolymers of Cassava Starch and StyreneCombined Endothermic and Exothermic Blowing Agents for EVA/PE Foams duanghathai.p@chula.ac.th 4th Floor, Tab Nilanidhi Building