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Título: Study of the formation of lignin-based polyurethanes
Autor: Cateto, C.A.
Barreiro, M.F.
Rodrigues, A.E.
Palavras-chave: Lignin
FTIR-ATR monitoring
Issue Date: 2004
Citação: Cateto, C.A.; Barreiro, M.F.; Rodrigues, A.E. (2004) - Study of the formation of lignin-based polyurethanes. In XIX Encontro Nacional da Sociedade Portuguesa de Química. Coimbra, Portugal.
Resumo: The main objective of this work was to study the reactivity of lignin with isocyanates in the presence of a polyesther as the flexible segment. The course of the polymerization reaction was followed by FTIR working in the ATR mode. The decay in the isocyanate absorbance was measured during 30 minutes at a temperature of 80 ºC.
Appears in Collections:DTQB - Posters em Encontros Científicos Nacionais

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