Assertion: lignin's group | /r/MadeOf | catechol
Facets:
Source sentences:
text: That is to say that the resol resin production methods of this patent disclosure also specifically contemplate reactions of the demethylated lignin with an aldehyde in an alkaline medium which are carried out in conjunction with one or more phenolic components, other than the demethylated lignin, in order to form a resole resin and wherein said phenolic components is provided by phenols selected from the group consisting of phenol, resorcinol, cresol, catechol and the like; and especially reactions of this type wherein a degree of demethylation of the lignin in the demethylated lignin-containing aqueous solution is determined by a specified reactivity level of the resol resin desired.
text: Where employed, such other phenolic components are preferably selected from the group consisting of phenol, resorcinol, cresol, catechol and the like.