Abstract
AbstractIn this study, Ti3C2 was delaminated into monolayer or few‐layer d‐Ti3C2 nanosheets, followed by preparation of d‐Ti3C2/thermoplastic polyurethane (TPU) composites. The products were characterized by X‐ray diffraction and field emission scanning electron microscopy. The effects of d‐Ti3C2 loading on the thermal and mechanical properties of the composites were investigated and the fracture morphology was analyzed. Results showed that the prepared d‐Ti3C2 was a monolayer or few‐layer nanosheets and the monolayer thickness is about 1.2 nm. The two‐dimensional d‐Ti3C2 was uniformly dispersed in the TPU matrix. The addition of d‐Ti3C2 nanosheets increased the thermal conductivity of TPU and also improved the mechanical properties of the matrix. When d‐Ti3C2 loading was 1 wt%, the specific strength and specific elongation were improved by about 29% and 53%, meanwhile the dissipated energies increased by 0.3 kJ/m3.
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