Bulletin of the Korean Chemical Society

  • 제33권7호
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  • Pages.2193-2199
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  • 2012
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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New Polytriazoleimides with High Thermal and Chemical Stabilities

  • E, Yanpeng (Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Wan, Liqiang (Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Li, Yujing (Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Huang, Farong (Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Du, Lei (Key Laboratory for Specially Functional Polymeric Materials and Related Technology of the Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology)
  • 투고 : 2011.11.22
  • 심사 : 2012.03.27
  • 발행 : 2012.07.20
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초록

A series of novel polytriazoleimides were prepared from various aromatic dianhydrides and a new kind of 1,2,3-triazole-containing aromatic diamine synthesized by the Cu (I)-catalyzed 1,3-dipolar cycloaddition reaction in DMAc, and characterized by FT-IR, $^1H$-NMR, XRD, DSC and TGA techniques. The results show the polytriazoleimides are soluble in most of strong polar solvents and have inherent viscosity values of 0.51-0.62 dL/g(DMAc). The polytriazoleimide films exhibit a tensile strength of 62.3-104.5 MPa and an elongation at breakage of 4.0-8.1%, a glass transition temperature ($T_g$) of $257-275^{\circ}C$, a decomposition temperature (at 5% weight loss) of $350-401^{\circ}C$ in $N_2$ atmosphere, and a dielectric constant of 2.47-3.01 at 10 MHz, which depend on the structure of the polymers. The polytriazoleimides perform good resistance to acid and alkali solution.

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피인용 문헌

  1. Kinetic Study of the Thermal Polymerization Reactions between Diazide and Internal Diyne vol.47, pp.2, 2014, https://doi.org/10.1002/kin.20898
  2. Preparation and Properties of Polyimides Containing 1,2,3-Triazole Moieties pp.07306679, 2015, https://doi.org/10.1002/adv.21641
  3. Mechanical, thermal and electrical properties of polyimides containing 1, 2, 3-triazole ring prepared by click reaction vol.73, pp.2, 2016, https://doi.org/10.1007/s00289-015-1488-z
  4. A class of polytriazole metallogels via CuAAC polymerization: preparation and properties vol.41, pp.11, 2017, https://doi.org/10.1039/C7NJ00610A
  5. A new high performance novolac-based polytriazole resin vol.30, pp.1, 2018, https://doi.org/10.1177/0954008316681415