Anomalous Effects of Changes in the Viscosity of Epoxy Resins and the Plasticity of Bitumen when Introducing Carbon Nano-Tubes

The extreme dependence of the viscosity of liquid epoxy resin on the content of single – and multi-layer carbon nano-tubes having a sharp minimum at 0.001 and 0.005 wt.% respectively is described. It is established that the nano-modification of oil road bitumen by single-layer “Tuball” CNTs also manifests itself in the form of extreme dependence of softening temperature and extensibility (ductility) with a minimum of the first indicator and a maximum of the second at thousandths of the nano-additive. The data obtained complement the previously established similar regularity of changes in the physical and mechanical properties of solid materials during their nano-modification. Nano-modification of materials in the technological aspect is effectively manifested and is of practical interest only in a narrow concentration range of particles, when their number and specific surface area per unit volume of the matrix (dispersion medium) reaches a certain critical value, implicitly dependent on the chemical nature of nano-particles and their geometry.

V.G. KHOZIN¹, Doctor of Science (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
R.K. NIZAMOV¹, Doctor of Science (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
I.A. STAROVOITOVA¹, Candidate of Science (Engineering)
E.S. ZYKOVA¹, Engineer
D.A. AYUPOV¹, Candidate of Science (Engineering)
A.E.M.M. ELREFAI², Candidate of Science (Engineering)

¹ Kazan State University of Architecture and Engineering (1, Zelenaya Street, Kazan, 420043, Republic of Tatarstan, Russian Federation)
² Egyptian Russian University (Cairo-Suez road, Badr City, Cairo, 11829, Egypt)

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