Cordeiro, NereidaBelgacem, Mohamed NaceurGandini, AlessandroNeto, Carlos Pascoal2021-05-062021-05-061997Cordeiro, N., Belgacem, M. N., Gandini, A., & Neto, C. P. (1997). Urethanes and polyurethanes from suberin: 1. Kinetic study. Industrial Crops and Products, 6(2), 163-167.http://hdl.handle.net/10400.13/3372Within the context of a study on the preparation and the characterization of polyurethanes based on suberin, as a polyol, and conventional polyisocyanates, it was deemed necessary to carry out a preliminary study on the reactivity of the hydroxy functions of suberin. Aliphatic and aromatic mono- and di-isocyanates were tested and the kinetics of this system followed the classical second order up to conversions of about 85%. The influence of the steric hindrance and the electronic factors, linked to the specific structures of both types of isocyanates, was established.engSuberinUrethane and polyurethanesIsocyanatesReaction kinetics.Faculdade de Ciências Exatas e da Engenhariajournal article10.1016/S0926-6690(96)00212-9