Jeong, Jisu Kim, Woo Sik Lee, Min Wook Goh, Munju 2024-01-19T15:01:14Z 2024-01-19T15:01:14Z 2021-09-05 2021-04-27 2470-1343 https://pubs.kist.re.kr/handle/201004/117114 To utilize the chemical application of lignin (LN), a decomposition reaction was carried out to cleave chemical bonds. Indeed, a liquefaction process is essential for the chemical use of lignin to achieve a uniform reaction and maximize the chemical utility of lignin. To this end, hydroxyl radicals were adopted as a powerful oxidation agent, and FT-IR results confirmed the cleavage of the ether linkages. Additionally, the water solubility of LN significantly increased after decomposition, and dissolution levels up to 0.5 g.mL(-1) were obtained. Using these high solubility properties in water, NMR and DLS analyses were performed. In particular, an average particle diameter of 300 +/- 240 nm was found, corresponding to the size of polydisperse l-LN. By controlling size uniformity and using high water-solubility levels, polyurethane foams were manufactured using l-LN. English AMER CHEMICAL SOC OXIDATION Liquefaction of Lignin Using Chemical Decomposition and Its Application to Polyurethane Foam Article 10.1021/acsomega.1c00285 1 ACS OMEGA, v.6, no.16, pp.10745 - 10751 ACS OMEGA 6 16 10745 10751 scie scopus 000645428600024 2-s2.0-85105709002 Chemistry, Multidisciplinary Chemistry Article OXIDATION