Journal of Materials Life Society
Online ISSN : 2185-7016
Print ISSN : 1346-0633
ISSN-L : 1346-0633
Volume 26 , Issue 2
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Comprehensive Paper
Original Paper
  • Hojoon SHIN, Seiji TATEYAMA, Tatsuo KANEKO
    2014 Volume 26 Issue 2 Pages 25-31
    Published: May 31, 2014
    Released: May 08, 2021
    JOURNALS FREE ACCESS

    Molecular design to give rigidity to polymer back bones is an important concept to increase the thermal stability of polymers. We introduced a unique chemical structure, polyrotaxane, to give structural rigidity to polymer back bones using a necklace-like structure and cinnamic acid as a photo-reactive monomer to prepare a new polyamide. By utilizing this unique concept, we designed aliphatic-aromatic polyamides containing the rotaxane structure composed of 4,4’-diacetoamido-α-truxillic acid, poly (ethylene glycol) bisamine (PEGBA) and methylated-α-cyclodextrin (Me-α-CD), and observed their thermo-mechanical performance and degradation behavior under UV-irradiation. The thermal degradation temperature of the polyamides was enhanced by inclusion complex formation with Me-α-CD, and the polyamide polyrotaxane was degraded by UV-irradiation via the photocleavage of the cyclobutane ring in 4,4’-diacetoamido-α-truxillic acid.

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