METHOD TO INCREASE THE MOLECULAR WEIGHT OF WOOD MANNANS AND XYLANS COMPRISING AROMATIC MOIETIES

• Main Authors: OINONEN PETRI, HENRIKSSON GUNNAR, ARESKOGH DIMITRI
• Format: Patent
• Language: English
• Published: 31.10.2013
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; DERIVATIVES THEREOF; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; POLYSACCHARIDES; THEIR PREPARATION OR CHEMICAL WORKING-UP

A method to increase the molecular weight of wood mannans and xylans comprising aromatic moieties comprises the steps: a) obtaining mannan and/or xylan from wood, b) subjecting the mannan/xylan to oxidizing conditions to convert at least a fraction of the aromatic groups into radicals and reacting s...