Biobased furan-functionalized high-performance poly (aryl ether ketone) with low dielectric constant and low dielectric loss

•Copolymerized poly (aryl ether ketone) resins with excellent properties have been prepared by combining the nonlinear structure of biobased monomer furan ketone and the weakly polarized cyclohexane structure.•The synthesized resins had excellent thermal properties, with a 5% thermal decomposition temperature of up to 478 °C, good solubility, and low water absorption of only 0.71%.•Using bio-based monomers provides an friendly strategy for material design and synthesis, providing a green way to develop high-performance low-dielectric materials.