METHOD FOR PRODUCING HIGH VALUE-ADDED COMPOUNDS FROM POLYETHYLENE TEREPHTHALATE
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United States of America Patent
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Jun 9, 2022
app pub date -
Apr 8, 2020
filing date -
Apr 8, 2020
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Abstract
The present invention pertains to a method for producing high value-added compounds from polyethylene terephthalate. More specifically, the present invention demonstrates that a monomeric terephthalic acid obtained from the chemical hydrolysis of polyethylene terephthalate can be converted to high value-added aromatic compounds and aromatic-derived compounds, and ethylene glycol, which is another monomer of polyethylene terephthalate, can be converted to glycolic acid, which is a cosmetic material. The present invention is characterized by recycling polyethylene terephthalate waste into high value-added compounds.
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