Hydrothermal Synthesis of Composition- and Morphology-Tunable Polyimide-Based Microparticles

Taehyung Kim, Byeongho Park, Kyung Min Lee, Se Hun Joo, Min Seok Kang, Won Cheol Yoo, Sang Kyu Kwak, Byeong Su Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Polyimide is one of the most important high-performance polymers, which is widely used due to its excellent mechanical performance and thermal stability. Unlike the conventional synthetic approach, hydrothermal polymerization enables the synthesis of polyimides without any toxic solvent and catalyst. Herein, we report the synthesis of polyimide-based microparticles (PIMs) through one-pot hydrothermal polymerization using precursors of mellitic acid (MA) and three isomers of phenylenediamine (PDA) (o-, m-, and p-PDA). Interestingly, the chemical composition of PIMs was highly tunable with the choice of the PDA isomers, leading to considerable morphological differences between PIMs. The molecular dynamics simulation and density functional theory calculation of the polymeric segment of the respective PIMs suggested that the relative ratio of amide to imide influenced the rotational freedom of the polymeric chains and number of hydrogen bonds, resulting in the well-defined structures of respective PIMs. Considering the highly tunable nature of PIMs coupled with the facile synthetic protocol, we anticipate prospective potentials of PIMs in materials, energy, and composite applications.

Original languageEnglish
Pages (from-to)1480-1485
Number of pages6
JournalACS Macro Letters
Volume7
Issue number12
DOIs
Publication statusPublished - 2018 Dec 18

Fingerprint

Hydrothermal synthesis
Polyimides
Chemical analysis
Isomers
Polymerization
Imides
Phenylenediamines
Poisons
Amides
Density functional theory
Molecular dynamics
Hydrogen bonds
Polymers
Thermodynamic stability
Catalysts
Acids
Computer simulation
Composite materials

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, Taehyung ; Park, Byeongho ; Lee, Kyung Min ; Joo, Se Hun ; Kang, Min Seok ; Yoo, Won Cheol ; Kwak, Sang Kyu ; Kim, Byeong Su. / Hydrothermal Synthesis of Composition- and Morphology-Tunable Polyimide-Based Microparticles. In: ACS Macro Letters. 2018 ; Vol. 7, No. 12. pp. 1480-1485.
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Hydrothermal Synthesis of Composition- and Morphology-Tunable Polyimide-Based Microparticles. / Kim, Taehyung; Park, Byeongho; Lee, Kyung Min; Joo, Se Hun; Kang, Min Seok; Yoo, Won Cheol; Kwak, Sang Kyu; Kim, Byeong Su.

In: ACS Macro Letters, Vol. 7, No. 12, 18.12.2018, p. 1480-1485.

Research output: Contribution to journalArticle

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AU - Kim, Byeong Su

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