Lignin-Derived Methoxyterephthalates for Performance-Advantaged Polymers and Plasticizers.

ABSTRACT: Lignin-derived aromatic carboxylic acids can be produced from oxidative catalytic processes and are promising building blocks for performance-advantaged bioproducts that leverage their inherent heteroatom functionalities. Here, we synthesize 2-methoxyterephthalate and 2,6-dimethoxyterephthalate derivatives by electrochemical carboxylation of guaiacyl- and syringyl-derived lignin monomers obtained from the oxidative deconstruction of lignin. These methoxylated terephthalates are evaluated as co-monomers in poly(ethylene terephthalate) (PET) and as plasticizers that could replace petrochemically-derived isophthalate and phthalate, respectively. Specifically, we co-polymerize 2-methoxy- and 2,6-dimethoxyterephthalate with dimethyl terephthalate to form several PET co-polymers, both of which e

SUBMITTER: Rosetto G 

PROVIDER: S-EPMC12376922 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature