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: Viswanathan, Ganapathy, Maiorana, Anthony, Maddipatla Venkata, Srirama, Arbuckle, Stephen
Format: Patent
Sprache:eng
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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.