Elastomers and Composites

  • 제58권1호
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  • Pages.26-31
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  • 2023
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
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Synthesis of Polyimide Derived from 4-Methyl-1,2-phenylene Bis(4-aminobenzoate) and 4,4'-Hexafluoroisopropylidenediphthalic Anhydride

  • Byung Hyun Ahn (Department of Material Engineering, Pukyong National University)
  • 투고 : 2023.02.01
  • 심사 : 2023.02.11
  • 발행 : 2023.03.31
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초록

Aromatic diamine containing ortho catenation and methyl group was synthesized from 4-methyl catechol and 4-nitrobenzoyl chloride. Subsequently, a poly(amic acid) was prepared by reacting 4-methyl-1,2-phenylene bis(4-aminobenzoate) with 4,4'-hexafluoroisopropylidenediphthalic anhydride (6FDA). The resulting poly(amic acid) was transformed into a polyimide through chemical imidization. The polyimide formed was soluble in N-methyl-2-pyrrolidone (NMP) and could be cast into a flexible, transparent film. Furthermore, the polyimide exhibited a 5% weight loss at 380 ℃ in the nitrogen atmosphere.

키워드

과제정보

This work was supported by a Research Grant of Pukyong National University (2021 year).

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