Made available in DSpace on 2020-12-10T19:59:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-02-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Castor oil is an environmentally friendly alternative to hydrocarbon-based feedstocks for the synthesis of polyurethanes due to its major constituent, ricinoleic acid. This work aimed to obtain and characterize castor oil-based polyurethane ...