From Aminolysis Product of Pet Waste to Value-Added Products of Polymer and Assistants
Source abstract
Abstract
In this work, the aminolysis depolymerization of poly(ethylene terephthalate) PET was carried out with ethanolamine and several acetates as catalysts. The main product, bis(2-hydroxyethyl) terephthalamide (BHETA), was identified from FTIR and 1 H NMR. It was found that PET depolymerization is favoured by increasing temperature, time and catalysts. Results shown that under present conditions of aminolysis, the conversion of PET was 100% and high yield of BHETA. Moreover, aminolysis products have the potential to undergo further reactions to yield secondary value-added product, such as unsaturated polyesters, polyurethanes, epoxy resin hardeners and non-ionic polymer surfactants.
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Research context
OpenAlex topics: Carbon dioxide utilization in catalysis · biodegradable polymer synthesis and properties · Chemistry and Chemical Engineering
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Affiliations
College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, People's Republic of China
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