Synthesis Of Bio-based Polyesters From 2,5-furandicarboxylic Acid: From Completely Amorphous To High Crystallinity | 87528
Journal of Material Sciences & Engineering
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Due to the diminishing crude oil reserve and worsening environmental pollution more and more attention has been paid on the synthesis of polymers derived from renewable resources. However, the thermal and mechanical properties of current bio-based polymers are still subjects to be improved when compared with the petroleum-based engineering plastics like Polyethylene Terephthalate (PET) and Polycarbonate (PC). The lack of aromatic or rigid segments in their molecular architectures should be responsible for the relatively low performance. 2,5-Furandicarboxylic Acid (FDCA) is a promising bio-based platform chemical, which has been referred to as sleeping giants by DuPont and DSM due to its potential as the biobased substitute for Terephthalate (TPA). The FDCA-based polyester, Polyethylene 2,5-Furandicarboxylate (PEF) demonstrates similar mechanical and thermal properties as well as better barrier properties when compared with its petroleum-based counterpart PET. However, the poor crystallizability of PEF severely limits its application fields, especially when the high transparent and heat-resistant properties or the high crystallinity was required. In our work, several novel cyclic diols, including 1,4-Cyclohexanedimethanol (CHDM) and 2,2,4,4-tetramethyl-1, 3-Cyclobutanediol (CBDO), were employed as the monomer or co-monomer to polymerize with FDCA and the high molecular weight polyesters were synthesized. Results showed that these bio-based polyesters could be varied from completely amorphous to high crystallinity, which has the potential to be used as high transparent packaging materials or polyester engineering plastics, respectively. Based on our results, the bio-based substitute for PET with better comprehensive performance could be developed.
Xiaoqing Liu is a Professor in Ningbo Institute of Material Technology and Engineering (NIMTE), Chinese Academy of Sciences (CAS). He has obtained his PhD in Polymer Chemistry and Physics from Institute of Chemistry. He had worked as a Post-doctorate in Nanyang Technological University, Singapore and Washington State University, USA. Then he began to work as an Associate Professor in NIMTE and was promoted to a Full Professor. His research work was focused on the synthesis of bio-based polymers and composites, including bio-based high performance epoxy and polybenzoxazine, bio-based polyesters from 2,5-Furandicarboxylic Acid (FDCA). He has published 60+ peer-reviewed SCI papers in the journal of Green Chemistry, ChemSusChem, Journal of Materials Chemistry A and Polymer etc. and held more than 30 granted patents in the field of bio-based polymers.
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