Assertion: lignin | /r/AtLocation | the resin structure
Facets:
value: as filler
type: MANNER
value: because of poor reactivity of lignin molecule
type: CAUSE
Source sentences:
text: Synthesized lignin-based phenol formaldehyde resin demonstrated a comparable adhesion property to conventional phenol formaldehyde resin; however, because of poor reactivity of lignin molecule, some lignin remained in the resin structure as filler without forming a three-dimensional polymer network.137,140 Adhesion of lignin-based phenol formaldehyde resin is highly dependent on the type of lignin.