Oxypropylation of cork and the use of the ensuing polyols in polyurethane formulations
authors Evtiouguina, M; Barros-Timmons, A; Cruz-Pinto, JJ; Neto, CP; Belgacem, MN; Gandini, A
nationality International
journal BIOMACROMOLECULES
keywords SUGAR-BEET PULP
abstract Cork particles, recovered as byproducts of the processing of this natural material, were oxypropylated under pressure and relatively high temperature in the presence of KOH as catalyst. Various parameters were explored in order to assess the most suitable conditions, which led to the almost complete conversion of the solid cork into a viscous polyol. This product was a mixture of oxypropylated cork macromolecules and propylene oxide oligomers, which were thoroughly characterized. The use of these polyols as macromonomers in the synthesis of polyurethane foams gave promising results, thus showing that it should be possible to exploit the residues of this important renewable resource to manufacture original materials.
publisher AMER CHEMICAL SOC
issn 1525-7797
year published 2002
volume 3
issue 1
beginning page 57
ending page 62
digital object identifier (doi) 10.1021/bm010100c
web of science category Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
subject category Biochemistry & Molecular Biology; Chemistry; Polymer Science
unique article identifier WOS:000174256500009
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  impact metrics
journal analysis (jcr 2019):
journal impact factor 6.092
5 year journal impact factor 5.775
category normalized journal impact factor percentile 92.195
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