Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/6127
Título: The oxypropylation of olive stone and the use of the ensuing polyols for the synthesis of novel polyesters and polyurethanes based on renewable resources
Autor: Matos, M.C.
Barreiro, M.F.
Gandini, A.
Palavras-chave: Oxypropylation
Olive stone
Polyurehanes
Polyesters
Data: 2011
Editora: EPF
Citação: Matos, M.C.; Barreiro, M.F.; Gandini, A. (2011) - The oxypropylation of olive stone and the use of the ensuing polyols for the synthesis of novel polyesters and polyurethanes based on renewable resources. In European Polymer Congress 2011. Granada, Spain.
Relatório da Série N.º: ;T1-023
Resumo: The development of polyols by the oxypropylation of abundant and renewable vegetable and animal resources constitutes an original approach to the exploitation of the biomass. Cellulose, starch, chitosan, chitin, different types of lignins, cork and more complex structures like sugar beet pulp, are among the documented examples. All these systems displayed a similar pattern in terms of the grafting of short poly(propylene oxide) (POP) chains from the OH groups of the substrate, albeit of course each situation required a specific set of optimized experimental conditions to transform the natural solid into a viscous polyol. The transformation of these polyols into polyurethanes is the only operation which has been studied to date as a form of their exploitation into polymer materials. In this work, the more promissing were selected for chemical modifications involving first ester and urethane formations with aliphatic and aromatic monofunctional reagents.
Peer review: yes
URI: http://hdl.handle.net/10198/6127
Aparece nas colecções:DTQB - Resumos em Proceedings Não Indexados ao ISI/Scopus

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