Assertion: organosolv lignin | /r/ObjectUse | used in reaction
Facets:
Source sentences:
text: These functional groups make the organosolv lignin used in the reactions serve as a donor of hydroxyl groups rather than just being incorporated as a filler in blends (Rösch and Mülaupt 1994; Belgacem et al. 2003; Kubo and Kadla 2004; Xue et al. 2015).