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Study on the Synthetic Characteristics of Biomass-Derived Isosorbide-Based Poly(arylene Ether Ketone)s for Sustainable Super Engineering Plastic

Study on the Synthetic Characteristics of Biomass-Derived Isosorbide-Based Poly(arylene Ether Ketone)s for Sustainable Super Engineering Plastic

Seul-A Park, Changgyu Im, Dongyeop X Oh, Sung Yeon Hwang, Jonggeon Jegal, Ji Hyeon Kim, Young-Wook Chang, Hyeonyeol Jeon, Jeyoung Park

Molecules. 2019 Jul 8;24(13):2492.

PMID: 31288408

Abstract:

Demand for the development of novel polymers derived from biomass that can replace petroleum resources has been increasing. In this study, biomass-derived isosorbide was used as a monomer in the polymerization of poly(arylene ether ketone)s, and its synthetic characteristics were investigated. As a phase-transfer catalyst, crown ether has increased the weight-average molecular weight of polymers over 100 kg/mol by improving the reaction efficiency of isosorbide and minimizing the effect of moisture. By controlling the experimental parameters such as halogen monomer, polymerization solvent, time, and temperature, the optimal conditions were found to be fluorine-type monomer, dimethyl sulfoxide, 24 h, and 155 °C, respectively. Biomass contents from isosorbide-based polymers were determined by nuclear magnetic resonance and accelerator mass spectroscopy. The synthesized polymer resulted in a high molecular weight that enabled the preparation of transparent polymer films by the solution casting method despite its weak thermal degradation stability compared to aromatic polysulfone. The melt injection molding process was enabled by the addition of plasticizer. The tensile properties were comparable or superior to those of commercial petrochemical specimens of similar molecular weight. Interestingly, the prepared specimens exhibited a significantly lower coefficient of thermal expansion at high temperatures over 150 °C compared to polysulfone.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
CS3104206	Isosorbide Solution			Price

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