Abstract
Zinc-Aluminium layered double hydroxides (LDH) were assembled on pristine multiwalled carbon nanotubes (MWCNT) and carbon nanofiber (CNF) through noncovalent assembly and characterized. Further these hybrids were used as reinforcing filler in TPU/NBR (1:1 w/w) blend. Our investigations showed TPU/NBR blend containing 0.50 wt% MWCNT-LDH hybrid exhibit superior mechanical properties (Tensile strength: 126 % and storage modulus: 321 % at −60 °C) compared to neat TPU/NBR. In contrast, 0.50 wt% CNF-LDH hybrid filled TPU/NBR blend nanocomposites showed enhanced thermal stability (25 °C) and crystallization temperature (36 °C) with respect to neat blend. Such improvements in mechanical and thermal properties could be attributed to better homogeneous dispersion, stronger interfacial interaction and synergistic effect.
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