SUDHEESH KUMAR, K. Synthesis and Characterization of Polyurethanes of Isophorone Diisocyanate Containing Bis(azo) and Bis(o-Nitrobenzyl) Chromophores in the Main Chain. Asian Journal of Chemistry, [S. l.], v. 23, n. 6, p. 2705–2708, 2011. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/10435. Acesso em: 23 jul. 2024.