Influence of fullerene content on the properties of polyurethane resins: A study of rheology and thermal characteristics oleh Nazym Ye Akhanova, El-Sayed Negim, Yerassyl Yerlanuly, Didar G. Batryshev, Mohamed M. Eissa, Dmitry Yu Schur, Tlekkabul S. Ramazanov, Khaldun M. Al Azzam, Mukhit M. Muratov, Maratbek T. Gabdullin