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.

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Bibliographische Detailangaben
Hauptverfasser: MADDIPATLA VENKATA, Srirama, N, ARBUCKLE, Stephen, VISWANATHAN, Ganapathy, MAIORANA, Anthony
Format: Patent
Sprache:eng ; fre ; ger
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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.