Melting blends of poly(phthalazinone ether sulfone ketone) (PPESK) /poly ether sulfone (PES) /TLCP were prepared by two screw extruder. The melting viscosity of blends decreases with the addition of TLCP.

• 采用TLCP和聚醚砜(PES)对二氮杂萘联苯聚醚砜酮(PPESK)进行熔融共混改性,可知聚醚砜的加入降低了PPESK的熔体粘度,减小了PPESK与TLCP的粘度比。