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Synthesis of Unsaturated Polyester Resin Based on Pet Waste

Vanaja Kumary Nair, Deepali Kulkarni
2022 International Journal for Research in Applied Science and Engineering Technology  

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Abstract: Polyethylene terephthalate (PET) flakes are widely used as raw material for manufacturing of packaging materials. The worldwide production of PET is 30.5 million metric tons/year. With such a large consumption, the effective application of PET waste is of considerable commercial and technological significance. In this paper we used PET flakes for the synthesis of unsaturated polyester resin to go green. PET flakes were depolymerized by using Neopentyl glycol (NPG) and propylene glycol
more » ... (PG). Glycolyzed product was reacted with maleic anhydride and phthalic anhydride. Then it was mixed with styrene monomer to get unsaturated polyester (UP) resins. Molecular weight, Hydroxyl value and Acid value of all synthesized UP resins were studied.
doi:10.22214/ijraset.2022.46459 fatcat:jzdekcq5lzastjazp66jvrf4qu
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Vanaja Kumary Nair, Deepali Kulkarni. "Synthesis of Unsaturated Polyester Resin Based on Pet Waste." International Journal for Research in Applied Science and Engineering Technology 10.8 (2022) 1543-1546