RECOVERED LIGNIN AND DERIVATIZED RECOVERED LIGNIN HAVING REDUCED SILICON-CONTENT AND METHODS FOR REDUCING THE SILICON-CONTENT IN RECOVERED LIGNIN AND DERIVATIZED RECOVERED LIGNIN

RECOVERED LIGNIN AND DERIVATIZED RECOVERED LIGNIN HAVING REDUCED SILICON-CONTENT AND METHODS FOR REDUCING THE SILICON-CONTENT IN RECOVERED LIGNIN AND DERIVATIZED RECOVERED LIGNIN

Recovered lignin having reduced silicon-content and a method for reducing the silicon-content in recovered lignin comprises contacting recovered lignin with a source of fluoride for a predetermined period of time under conditions effective for the fluoride to react with silicon contained in the reco...

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Bibliographische Detailangaben
Hauptverfasser: LISEEV, Timofey, SANDSTRÖM, Tove, ÖST, Amalia, DAHLSTRAND, Christian, NORÉN, Alexander
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:Recovered lignin having reduced silicon-content and a method for reducing the silicon-content in recovered lignin comprises contacting recovered lignin with a source of fluoride for a predetermined period of time under conditions effective for the fluoride to react with silicon contained in the recovered lignin are disclosed. Also disclosed are derivatized recovered lignin exhibiting saturated and/or unsaturated hydrocarbon residues from fatty acids attached to the lignin having reduced silicon-content, and a corresponding method comprises contacting the derivatized recovered lignin with a source of fluoride.