Original ResearchPublished 16 February 2026The influence of nano-biochar on the mechanical and flame resistance of recycled PLA compositesG. Anbuchezhiyan · A. Vivek Anand · S. Senthil Babu · S. Madhubalan · Vigneshwaran Shanmugam · Rhoda Afriyie MensahFrontiers in Chemical Engineeringdoi 10.3389/fceng.2026.1727026