LIGNIN-BASED POLYOLS

The present invention relates to a process to manufacture lignin-based polyols (LBP) by ring opening polymerization (ROP) of oxiranes in the presence of lignin and in an organic solvent or mixture thereof using acidic catalysts. The LBP are suitable to manufacture polyurethanes, polycarbonates and p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GARCÍA SUÁREZ, Eduardo José, MAESTRO MADURGA, Belén, PÉREZ ARCE, Jonatan, OCHOA GÓMEZ, José Ramón
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS OF UNKNOWN CONSTITUTION DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a process to manufacture lignin-based polyols (LBP) by ring opening polymerization (ROP) of oxiranes in the presence of lignin and in an organic solvent or mixture thereof using acidic catalysts. The LBP are suitable to manufacture polyurethanes, polycarbonates and polyesters.