DOI: 10.1021/acsapm.3c00380
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Abstract: Lignin, the most abundant aromatic biopolymer, is explored as a renewable polyol substituent and functional additive in rigid polyurethane foam (RPUF) for structural and insulation applications. The understanding of the complex microstructural changes in the RPUF caused by lignin micro-nanoparticles has been limited by traditional two-dimensional cross-sectional imaging methods (typically limited to the average cell diameters). This study reports the microstructural changes induced by the dispersion of kraft l… Show more

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