e-ISSN 2231-8542
ISSN 1511-3701

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UV-Curable Palm Oil Based-Urethane Acrylate/Clay Nanocomposites

A. M. Salih, Wan Md. Zin Wan Yunus, Khairul Zaman Mohd Dahlan, Mohd Hilmi Mahmood and Mansor Ahmad

Pertanika Journal of Tropical Agricultural Science, Volume 20, Issue 2, July 2012

Keywords: Nanocomposites, Palm oil based-resin, urethane acrylate, UV-curing

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Synthesis of palm oil based-urethane acrylate (POBUA) resins was carried out by acrylation of epoxidizedpalm oil (EPOP) using acrylic acid in the presence of a catalyst and followed by isocyanation to obtainthe POBUA. Using the monomer as a diluent in the formulation, 4% of photoinitiator and incorporationof organoclay (1-5% wt), nanocomposites were obtained upon UV irradiation. The X-ray DiffractoryXRD study revealed that the nanocomposites obtained were of the exfoliation type. The presence ofthe clay improved the hardness and did not affect the thermal stability. Similarly, it increased the glasstransition temperature Tg but reduced the modulus as the clay content was increased. The improvementof the tensile strength was only obtained when the clay concentration was 5 phr.

ISSN 1511-3701

e-ISSN 2231-8542

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