Synthesis and characterization of the B3-monomer and hyperbranched poly(aryl ether ketone)s

Abstract

Hyperbranched poly(aryl ether ketone)s were prepared by polymerization of hydroquinone (A₂) and 1,3,5-tris[4-(4-fluorobenzoyl)phenoxy]benzene (B₃). The gelation of hyperbranched poly(aryl ether ketone)s was effectively avoided. Hydroxyl-terminated (HPAEK-OH) and fluoro-terminated (HPAEK-F) hyperbranched poly(aryl ether ketone)s were prepared by using different A₂/B₃ mass ratio. The structure of the B₃ monomer was confirmed by MS, ¹H NMR/IR. The glass transition temperatures of the HPAEK-F and HPAEK-OH are 114 °C and 162 °C respectively. Thermal stability of HPAEK-F is higher than HPAEK-OH.

Keywords

B3 monomer, hyperbranched poly(ether ether ketone)s, hydroxyl-terminated, fluoro-terminated