Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 4, Issue 10, Pages 5090-5105Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.6b00873
Keywords
Lignins; Characterization; P-31 NMR Spectroscopy; FTIR; SEM; T-g; Elemental analysis; Biomaterials
Categories
Funding
- National Bioproduct Programs at the National Research Council of Canada
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A number of industrial and technical lignins from forestry and agriculture were extracted by different chemical pulping processes and characterized by evaluating their physical and chemical properties. Several qualitative and quantitative methods were performed to elucidate lignin profiles and their potentials as substitutes for use in biobased products. The morphology, molecular weight distributions, elemental compositions, glass transition temperature, and several important functional groups containing hydroxyl units such as phenolic, aliphatic, and carboxylic acid were classified and their contents were determined quantitatively by employing P-31 NMR spectroscopy. The emerging information is relevant to pressing scientific development issues for value-added applications from lignins during industrial production of biomaterials.
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