Poly(hexamethylene 2,5-furandicarboxylate) (PHF) is considered a bio-based polyester with promising properties – from good barrier values to high thermal and mechanical stability. The copolymers, known as PHDEGF, were produced using a two-stage melt polycondensation process and exhibited significantly altered thermal properties. PHDEGF30 in particular – with around 20 mol% DEGF – achieved mechanical properties that are at least equal to those of commercial biodegradable polyesters such as poly(butylene adipate-co-terephthalate) or poly(butylene succinate). The results underscore the potential of furandicarboxylic acid-based copolyesters as a sustainable alternative to conventional materials. Source: Feng, S., Yang, H., Qiu, Z.: Novel biobased poly(hexamethylene-co-diethylene glycol furandicarboxylate) copolyesters with improved mechanical properties and hydrolytic degradation rates, in: Polymer Chemistry, Issue 18, 2025.