| 초록 |
Terephthalic acid (TPA), a monomer for polyethylene terephthalate (PETE) can be synthesized via oxidation process of p-xylene, which is obtained from pyrolysis of petroleum naphtha. Recently, a sustainable route for the synthesis of p-xylene from 2,5-dimethylfuran, a reduced form of biomass-derived 5-hydroxymethylfurfural (HMF) has been proposed. This process involves the Diels-Alder cycloaddition of dimethylfuran with ethylene followed by dehydration. Several solid acid catalysts such as zeolite beta, silica-alumina aerogel, and tungstated zirconia have been proven to be effective for this reaction. In this work, we try to extend this chemistry to oxidized variants of HMF to produce TPA and its derivatives from biomass in a simpler route. We will show the role of acid catalysts in this reaction and the strategy to maximize the yield of terephthalate. |
