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Lipase-ultrasound assisted synthesis of polyesters
Institution:1. International Joint Research Laboratory for Textile and Fiber Bioprocesses, Jiangnan University, Wuxi 214122, China;2. Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India;3. Jiangsu Engineering Technology Research Center for Functional Textiles, Jiangnan University, Wuxi 214122, China;4. Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, Jiangsu, China;5. Department of Oils, Oleochemicals and Surfactants Technology, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India;6. Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;1. Department of Chemical Engineering, Institute of Chemical Technology, Mumbai, India.;2. Abhay Nutrition Pvt. Ltd., India.
Abstract:Poly (ethylene glutarate), poly (ethylene malonate) and poly (ethylene phthalate), were enzymatically synthesized by immobilized Candida antarctica lipase B in solvent free conditions. The synthesis of these polyesters was based on the ester-ester exchange reaction between ethylene glycol diacetate and di-ethyl glutarate, di-benzyl malonate, di-n-octyl phthalate to produce poly (ethylene glutarate), poly (ethylene malonate) and poly (ethylene phthalate), respectively. The effect of ultrasound and PET polymeric beads was evaluated and showed to improve the synthesis of all polyesters. Ultrasound, as a green solvent-free technology, showed high potentiality for the polyester synthesis intensification.
Keywords:Ultrasound  Lipase  Polyester  PET polymeric beads
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