M.A. ALAA; KAMAL YUSOH; S.F. HASANY. PURE POLYURETHANE AND CASTOR OIL BASED POLYURETHANE: SYNTHESIS AND CHARACTERIZATION. Journal of Mechanical Engineering and Sciences, [S. l.], v. 8, p. 1507–1515, 2015. DOI: 10.15282/jmes.8.2015.25.014. Disponível em: https://journal.ump.edu.my/jmes/article/view/8593. Acesso em: 3 jul. 2024.