MANUFACTURE OF NOVOLACS AND RESOLES USING LIGNIN

Processes for manufacturing novolacs and resoles from lignin are disclosed. A phenol-aldehyde-lignin dispersion is formed which can then be used to make either a novolac or a resole, depending upon the catalysts used. L'invention concerne des procédés de fabrication de novolaques et de résols à...

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Bibliographische Detailangaben
Hauptverfasser:	MADDIPATLA VENKATA, SRIRAMA N, VISWANATHAN, GANAPATHY, MAIORANA, ANTHONY, ARBUCKLE, STEPHEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	Processes for manufacturing novolacs and resoles from lignin are disclosed. A phenol-aldehyde-lignin dispersion is formed which can then be used to make either a novolac or a resole, depending upon the catalysts used. L'invention concerne des procédés de fabrication de novolaques et de résols à partir de lignine. Une dispersion de phénol-aldéhyde-lignine est formée, cette dispersion peut ensuite être utilisée pour fabriquer soit une novolaque, soit un résol, en fonction des catalyseurs utilisés.