graft copolymerization of lignin-polycaprolactone(pcl) and evaluation of its structural characteristics

A numerous variety of utilizations have been introduced for lignin-based substrates. however, their vast application has been prohibited by stiff nature, turbulent oxidative prospect, and poor processing properties. copolymerization with pcl modulates lignin s physical and mechanical properties, leading to ease of processing and differing applications. here, we synthesized lignin-polycaprolactone (pcl) copolymers via solvent-free ring-opening polymerization (rop) to design an antioxidative platform with higher thermoelasticity. our results showed that adding lignin-pcl increased mechanical properties and thermal destruction, broadening potential usage.