Assertion: lignin | /r/HasProperty | combined with oxide
Facets:
Source sentences:
text: [ Our previous study also confirmed the very positive role of kraft lignin on selected properties of high density polyethylene (HDPE) and LDPE, in case of which lignin were combined with oxides (SiO, ZnO) and incorporated into the polymer matrices in the presence of maleated polyethylene [ 16 17 ].