Lignin as Green Filler in Polymer Composites: Development Methods, Characteristics, and Potential Applications
Figure 13
(a) XRD analysis of lignin-based rubber composite [187] (Copyright @ 2015 Wiley periodicals) and (b) wide-angle X-ray diffraction patterns of chitosan and composite materials with varying levels of lignin [9] (Copyright @ 2021 MDPI under CC BY 4.0).
