Assertion: lignin | /r/HasAspect | lower reactivity
Facets:
value: compared with phenol
type: OTHER
value: with formaldehyde
type: OTHER
Source sentences:
text: Currently, the use of kraft lignin in PF resins is limited in its commercial application because lignin has a lower reactivity with formaldehyde compared with phenol, and the lignin-phenol-formaldehyde requires higher curing temperatures (Siddiqui 2013).