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Citation: LIU Qian, JIANG Min, ZHOU Guangyuan, ZHANG Qiang, YE Chong, AO Yuhui. Synthesis of Poly(ethylene 2, 5-furandicarboxylate) via Direct Esterification Method[J]. Chinese Journal of Applied Chemistry, ;2012, 29(7): 751-756. doi: 10.3724/SP.J.1095.2012.00348 shu

Synthesis of Poly(ethylene 2, 5-furandicarboxylate) via Direct Esterification Method

LIU Qian ^a ,
JIANG Min ^b ,
ZHOU Guangyuan ^b ,
ZHANG Qiang ^b ,
YE Chong ^a ,
AO Yuhui ^a,,

1.
a College of Chemistry and Life Sciences, Changchun University of Technology, Changchun, 130022, China;
2.
b Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: AO Yuhui,
Received Date: 8 August 2011
Available Online: 30 September 2011

Poly(ethylene 2,5-furandicarboxylate)(PEF) was directly and successfully synthesized via the direct esterification method(PTA method) starting from 2,5-furandicarboxylic acid(FDCA) and ethylene glycol(EG),in which stannous oxalate was chosen as catalyst.Effect of the molar ratio of FDCA to EG(1: 1.2~1: 2.0),dosage of stannous octanoate(0.3×10^-3~5×10^-3 mol/mol FDCA),esterification temperature(180~220℃),polycondensation temperature(220~250℃) and dosage of trimethyl phosphate(1×10^-4~3×10^-3 mol/mol FDCA) on the esterification and polycondensation processes were studied in details.The optimized process conditions were found to be:n(FDCA): n((EG)=1: 1.6,stannous oxalate dosage is 1×10^-3 mol/mol FDCA,polycondensation temperature is 240℃,polycondensation time is 480 min and trimethyl phosphate dosage is 3×10^-4 mol/mol FDCA.The results of Fourier transform infrared spectroscopy(FTIR) and nuclear magnetic resonance spectroscopy(¹H NMR) confirmed the expected PEF structure.
- poly(ethylene furandicarboxylate),
- furandicarboxylic acid,
- direct esterification method,
- renewable resources
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