Dynamic covalent polymers: Reorganizable polymers with dynamic covalent bonds

Takeshi Maeda, Hideyuki Otsuka, Atsushi Takahara

Research output: Contribution to journalReview article

274 Citations (Scopus)

Abstract

The recent research on dynamic covalent polymers is reviewed. These polymers exhibit dynamic features originating in the reversibility of dynamic covalent bonds. The main body of the review is presented in four sections: (i) utilization of dynamic covalent bonds in reactive polymer blends, (ii) ring-chain equilibrium based on dynamic covalent bonds, (iii) reorganizable polymers and polymeric systems with dynamic covalent bonds, and (iv) dynamic smart polymer materials. Unlike conventional polymers that are irreversibly formed, dynamic covalent polymers can reform their structures and constitutions under appropriate conditions, even after polymerization. Utilization of dynamic covalent bonds is seen in research concerning polymerization controls and polymer blends. In addition, reorganizable macromolecules specially programmed to exhibit dynamic features have recently been highlighted in line with increased understanding of dynamic phenomena through reversible formation of non-covalent bonds. They include various dynamic covalent bonds typified by C{double bond, long}N bonds in imine derivatives and C{single bond}O bonds in alkoxyamine moieties, and are not only converted into macromolecules with different constitutions or gels, but also exhibit discriminating properties attributed to the reversibility of dynamic covalent bonds by adequate external stimuli, such as heating and the addition of a catalyst. The trend of dynamic covalent polymers is directed to intelligent systems using equilibrium under reorganization processes and stimulus-responsive polymeric materials based on bond-reformation.

Original languageEnglish
Pages (from-to)581-604
Number of pages24
JournalProgress in Polymer Science (Oxford)
Volume34
Issue number7
DOIs
Publication statusPublished - Jul 1 2009

Fingerprint

Covalent bonds
covalent bonds
Polymers
polymers
constitution
polymer blends
Polymer blends
Macromolecules
macromolecules
stimuli
polymerization
Polymerization
Functional polymers
Imines
Intelligent systems
imines

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Surfaces and Interfaces
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Dynamic covalent polymers : Reorganizable polymers with dynamic covalent bonds. / Maeda, Takeshi; Otsuka, Hideyuki; Takahara, Atsushi.

In: Progress in Polymer Science (Oxford), Vol. 34, No. 7, 01.07.2009, p. 581-604.

Research output: Contribution to journalReview article

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