Assertion: lignin's use | /r/HasProperty | studied
Facets:
value: thoroughly
type: MANNER
Source sentences:
text: To improve the homogeneity and reduce the complexity of lignin, fractionation techniques by an eluotropic series of organic solvents and precipitation by the pH effect are potential options; also, the use of membranes has been thoroughly studied (Brodin et al.
text: The use of kraft lignin is also being studied to improve biodegradable polymers.
text: In this experiment, rubber blends with 60% lignin and using different lignin sources were studied while keeping the rubber component (NBR with 41% acrylonitrile content) at 40%.