Preparation of Poly(ether ketone)s Derived from 2,5-Furandicarboxylic Acid by Polymerization in Ionic Liquid

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Abstract

Aromatic poly(ether ketone)s were synthesized by the Friedel-Crafts polymerization of 2,5-furandicarbonyl dichloride prepared from biomass and petroleum-based aromatic ethers such as diphenyl ether and 1,4-diphenoxybenzene with aluminum chloride (AlCl3). The polymerizations in common molecular solvents such as 1,2-dichloroethane and nitrobenzene did not afford polymers. The Friedel-Crafts polymerization usually undergoes in the swollen gel of the oligomer-AlCl3 complexes; the precipitated physical gels had not been enough swollen. The polymerizations were carried out in various ionic liquids to form swollen gels. The polymerizations proceeded in specific ionic liquid such as 1-butyl-3-methylimidazolium chloride ([C4mim]Cl), and high molecular weight polymers were obtained with good yield. The gels formed in [C4mim]Cl were more highly swollen, and additionally the rate constant estimated by the model reaction of 2,5-furandicarbonyl dichloride and anisole was higher in [C4mim]Cl than that in 1,2-dichloroethane. The obtained poly(ether ketone)s exhibited good thermal stability and chemical resistance comparable to common poly(ether ketone)s.

Original languageEnglish
Pages (from-to)1252-1258
Number of pages7
JournalMacromolecules
Volume49
Issue number4
DOIs
Publication statusPublished - Mar 8 2016

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Ionic Liquids
Ketones
Ionic liquids
Ether
Ethers
Polymerization
Gels
Acids
Polymers
Aluminum chloride
Nitrobenzene
Chemical resistance
Petroleum
Oligomers
Rate constants
Biomass
Thermodynamic stability
Crude oil
Molecular weight
2,5-furandicarboxylic acid

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry

Cite this

Preparation of Poly(ether ketone)s Derived from 2,5-Furandicarboxylic Acid by Polymerization in Ionic Liquid. / Kanetaka, Yusuke; Yamazaki, Shinichi; Kimura, Kunio.

In: Macromolecules, Vol. 49, No. 4, 08.03.2016, p. 1252-1258.

Research output: Contribution to journalArticle

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