Synthesis and characterization of polyesters derived from glycerol and phthalic acid
AUTOR(ES)
Guimarães, Danilo Hansen, Brioude, Michel de Meireles, Fiúza, Raigens da Paz, Prado, Luis Antônio Sanches de Almeida, Boaventura, Jaime Soares, José, Nadia Mamede
FONTE
Materials Research
DATA DE PUBLICAÇÃO
2007-09
RESUMO
The production of polyester via polycondensation between glycerol and phthalic acid using dibutyltin dilaurate is reported. Three glycerol:phthalic acid molar ratio used for the bulk polymerization were: 2:2; 2:3 and 2:4. FTIR confirmed the esterification of glycerol by the acid for all the polymers. DSC indicated no crystallinity, although the XRD plots indicate a very incipient crystallinity for the polymers containing higher amounts of phthalic anhydride. Scanning electron microscopy results indicates high homogeneity for all the polymers prepared.
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