Abstract
In this study, castor oil-based polyurethanes–organoclay (COPUs-Cloisite 30B) nanocomposites are synthesized by mixing polypropylene glycol polyol and dehydrated castor oil (15 %), enforced with C30B nanofillers, at different weight percentages. The physico-chemical behaviors were evaluated by Fourier transform infrared spectroscopy, Fourier scanning electron microscopy, scanning electron microscopy and X-ray diffraction. Thermal stability was found improved up to ~30 °C in the sample with 5 wt% of C30B. Tensile properties depicted an improvement of ~240 % in tensile strength and decrease of ~30 % in elongation with 5 wt% organoclay, respectively. Improved physico-chemical properties of COPUs-C30B signify the usage of COPUs-C30B in the industrial and commercial applications, i.e. coatings, adhesives and automotive applications.
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The authors are thankful for financial support (Research Grant: RDU 130329) from University Malaysia Pahang.
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Alaa, M.A., Yusoh, K. & Hasany, S.F. Synthesis and characterization of polyurethane–organoclay nanocomposites based on renewable castor oil polyols. Polym. Bull. 72, 1–17 (2015). https://doi.org/10.1007/s00289-014-1255-6
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DOI: https://doi.org/10.1007/s00289-014-1255-6