
Keywords: PBAB; poly (bisphenol A borate); BPA; bisphenol A; BA; boric acid; N2; nitrogen atmosphere; PRs; phenolic resins; C/C; carbon/carbon; PBA; phenylboronic acid; B4C; boron carbide; HBPs; hyperbranched polymers; PRB; poly(resorcinol borate); BZ; benzoxazine;