Morphological, thermal, and solid-state viscoelastic properties of thermoplastic polyester elastomer-graphitic carbon nitride composites


ERCAN N., Boroglu M.

JOURNAL OF APPLIED POLYMER SCIENCE, cilt.140, sa.47, 2023 (SCI-Expanded, Scopus) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 140 Sayı: 47
  • Basım Tarihi: 2023
  • Doi Numarası: 10.1002/app.54704
  • Dergi Adı: JOURNAL OF APPLIED POLYMER SCIENCE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, PASCAL, Aerospace Database, Applied Science & Technology Source, Biotechnology Research Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, INSPEC, Metadex, Civil Engineering Abstracts
  • Anahtar Kelimeler: creep, friction, graphitic carbon nitride, morphology, thermoplastic polyester elastomer
  • İstanbul Üniversitesi-Cerrahpaşa Adresli: Evet

Özet

In order to evaluate the effect of graphitic carbon nitride (g-C3N4) incorporation on the physical properties of thermoplastic polyester elastomer (TPEE) composites using a comparative approach, the composite films were prepared by the solution mixing method and solvent evaporation methods. For this purpose, the g-C3N4 nanoparticles were synthesized by direct thermal condensation reaction of melamine and characterized by FTIR, SEM, XRD, BET, and TGA, respectively. The diameters of the g-C3N4 particles ranged from & SIM;90 to 480 nm and the g-C3N4 exhibited a high thermal stability up to 570 & DEG;C, which was attributed to the robust heptazine-based structure. The morphology, structure, thermal stability, solid-state viscoelastic behavior, and friction coefficient of the TPEE composites were evaluated depending on the composition. The results showed that the g-C3N4 nanoparticles improved the thermal stability and reduced the friction coefficient of the TPEE films. It was also found that g-C3N4 addition into the TPEE matrix significantly reduced the permanent deformation in the solid state. The findings indicate that low-cost g-C3N4 nanoparticles can be used as an effective additive to enhance the performance of TPEE films in various applications. Preparation of TPEE-gC3N4 composite films by solution mixing method and some physical properties of the graphitic carbon nitride and the film samples.image