High-Resolution Profiling of the Functional Heterogeneity of Technical Lignins.

ABSTRACT: In technical lignins, functionality is strongly related to molar mass. Hence, any technical lignin exhibits concurrent functionality-type distribution (FTD) along its molar mass distribution (MMD). This study combined preparative size-exclusion chromatography with offline characterizations to acquire highly resolved profiles of the functional heterogeneity of technical lignins, which represent crucial information for their material use. The shape of these profiles showed considerable dissimilarity between different technical lignins and followed sigmoid trends. Determining the dispersity in functionality (Đ_F) of lignins via their FTD revealed a rather homogeneous distribution of their functionalities (Đ_F of 1.00-1.21). The high resolution of the acquired

SUBMITTER: Musl O 

PROVIDER: S-EPMC8924861 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature