Elastomers built up through the π-π Stacking association of polycyclic planar aromatic diimides

Yuji Higaki, Yudai Kiyoshima, Ken Suzuki, Hirofumi Kabayama, Noboru Ohta, Yongsok Seo, Atsushi Takahara

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Polymers composed of polycyclic aromatic planar diimide (PCAD) units and flexible rubbery poly(propylene glycol) (PPG) chains were synthesized, and the morphology and viscoelasticity were investigated. The polymers were synthesized by polycondensation of naphthalene or perylene tetracarboxylic dianhydrides with PPG-diamines and subsequent thermal imidization. The thermal and viscoelastic properties were measured by differential scanning calorimetry and dynamic mechanical analysis, respectively. The molecular aggregation structure was explored by infrared spectroscopy, wide-angle X-ray diffraction and small-angle X-ray scattering measurements. The PCAD units associate in the PPG continuum by the electromagnetic interaction of π electrons on the planar aromatic rings to build a stacked structure. The morphology and viscoelastic characteristics depend on the PCAD structure and molecular weight of the PPG segments, and the polymers composed of perylene diimide units and high molecular weight PPG chains show rubber elasticity because of the well-segregated morphology. The thermal stability was enhanced by PPG chain end capping by thermally stable PCAD units.

Original languageEnglish
Pages (from-to)46195-46200
Number of pages6
JournalRSC Advances
Volume7
Issue number73
DOIs
Publication statusPublished - Jan 1 2017

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Elastomers
Propylene Glycol
Glycols
Propylene
Association reactions
Perylene
Polymers
Molecular weight
Diamines
Rubber
Viscoelasticity
Dynamic mechanical analysis
Naphthalene
Polycondensation
X ray scattering
Differential scanning calorimetry
Infrared spectroscopy
Elasticity
Thermodynamic stability
Agglomeration

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Elastomers built up through the π-π Stacking association of polycyclic planar aromatic diimides. / Higaki, Yuji; Kiyoshima, Yudai; Suzuki, Ken; Kabayama, Hirofumi; Ohta, Noboru; Seo, Yongsok; Takahara, Atsushi.

In: RSC Advances, Vol. 7, No. 73, 01.01.2017, p. 46195-46200.

Research output: Contribution to journalArticle

Higaki, Y, Kiyoshima, Y, Suzuki, K, Kabayama, H, Ohta, N, Seo, Y & Takahara, A 2017, 'Elastomers built up through the π-π Stacking association of polycyclic planar aromatic diimides', RSC Advances, vol. 7, no. 73, pp. 46195-46200. https://doi.org/10.1039/c7ra08910d
Higaki Y, Kiyoshima Y, Suzuki K, Kabayama H, Ohta N, Seo Y et al. Elastomers built up through the π-π Stacking association of polycyclic planar aromatic diimides. RSC Advances. 2017 Jan 1;7(73):46195-46200. https://doi.org/10.1039/c7ra08910d
Higaki, Yuji ; Kiyoshima, Yudai ; Suzuki, Ken ; Kabayama, Hirofumi ; Ohta, Noboru ; Seo, Yongsok ; Takahara, Atsushi. / Elastomers built up through the π-π Stacking association of polycyclic planar aromatic diimides. In: RSC Advances. 2017 ; Vol. 7, No. 73. pp. 46195-46200.
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