title: Poly(ether urethane) networks from renewable resources as candidate biomaterials: synthesis and characterization.
abstract: A series of poly(ether urethane) networks were synthesized from epoxidized methyl-oleate-based polyether polyol and 1,3-propandiol using l-lysine diisocyanate as a nontoxic coupling agent. Polyurethanes with different hard segment contents were prepared to tune the final properties of the materials. The polyurethanes were fully chemically and physically characterized, including water uptake and in vitro hydrolytic degradation measurements. The weight loss of the polyurethanes was traced, and the changes in the surface morphology with the degradation time were examined by scanning electron microscopy. The experimental results revealed that the hard segment content is the main factor that controls the physical, mechanical, and degradation properties of these polymers. The observed diversity in material properties suggests that these polyurethanes may be useful for a wide range of biomedical polymer applications.
authors.affiliation: Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, Campus Sescelades, Marcellí Domingo s/n, 43007 Tarragona, Spain.
authors.forename: Gerard
authors.initials: G
authors.lastname: Lligadas
authors.forename: Joan C
authors.initials: JC
authors.lastname: Ronda
authors.forename: Marina
authors.initials: M
authors.lastname: Galià
authors.forename: Virginia
authors.initials: V
authors.lastname: Cádiz
mesh_terms: D001672:Biocompatible Materials / Q000138:chemical synthesis* / Q000737:chemistry; D001673:Biodegradation, Environmental; D006868:Hydrolysis; D019563:Mechanics; D011140:Polyurethanes / Q000138:chemical synthesis* / Q000737:chemistry; D013499:Surface Properties; D014867:Water
chemical_list: D001672:Biocompatible Materials; D011140:Polyurethanes; C115016:polyetherurethane; D014867:Water