REINFORCEMENT OF EPOXY RESIN COMPOSITES WITH FLUORINATED CARBON NANOTUBES
A. P. Kharitonov, G. V. Simbirtseva, A. G. Tkachev, A. N. Blohin, T. P. Dyachkova, N. R. Memetov, A. K. Sukhorukov, A. A. Maksimkin, D. I. Chukov
Strony: 430-441
Opublikowano: 31 May 2015
Wyświetlenia: 2,636
Pobrania: 733
Streszczenie: Epoxy resin (diglycidyl ether bisphenol-A type) polymer composites with added unmodified and fluorinated carbon nanotubes (CNTs) were studied by FTIR, TGA, DSC and electron microscopy. Composites tensile and flexural strength were measured. CNTs fluorination markedly (by a factor of 2.26) increased its specific surface. Fluorination did not influence CNTs thermal stability below 260oC and did not worsen thermal stability of filled composites. Insertion of 0.1 weight % of CNTs fluorinated at 150oC into polymer matrix resulted in the composite tensile strength increase to 89.6±4.1 MPa (35% increase as compared with unfilled composites). Flexural strength of composite filled with 0.2 weight % fluorinated at 150oC CNTs was increased to 199.7±4.8 MPa (+58% as compared with unfilled composite). Obtained reinforcement values exceeded all the available literature reinforcement data reported for epoxy composites based on epoxy resins similar to used in the current project. Unmodified CNTs were less effective in composite tensile and flexural strength improvement as compared with fluorinated CNTs. Insertion of fluorinated CNTs into a polymer matrix increased glassy temperature and did not influence the composites thermal stability. Surface of composites cuts was studied by electron microscopy technique. The reinforced composites can be applied in several industries: aviation, automotive, wind turbine propeller blades, for producing yachts and boats etc.
Słowa kluczowe: carbon nanotubes, polymers, particle-reinforced composites, mechanical properties, direct fluorination
Cytowanie artykułu: A. P. Kharitonov, G. V. Simbirtseva, A. G. Tkachev, A. N. Blohin, T. P. Dyachkova, N. R. Memetov, A. K. Sukhorukov, A. A. Maksimkin, D. I. Chukov. REINFORCEMENT OF EPOXY RESIN COMPOSITES WITH FLUORINATED CARBON NANOTUBES. Journal of International Scientific Publications: Materials, Methods & Technologies 9, 430-441 (2015). https://www.scientific-publications.net/en/article/1000791/
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