Assertion: lignin's weight | /r/HasProperty | high molecular
Facets:
value: very
type: DEGREE
Source sentences:
text: (1) chemical bonds exist between lignin and the carbohydrates; (2) lignin has a very high molecular weight, and may form a three-dimensional network.
text: Modified lignin can have a high molecular weight and enhanced surface activity (Mu et al. 2006).