Review Article

Lignin as Green Filler in Polymer Composites: Development Methods, Characteristics, and Potential Applications

Figure 12

(a) Diagrammatic illustration of the crystal phase of lignin-cellulose composite [187] (Copyright @ 2015 Wiley periodicals) and (b) XRD pattern for lignin-based biocomposite [227] (Copyright @ 2019 MDPI under CC BY 4.0).
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(b)