WANG Zhong-gang, CHEN Tian-lu, XU Ji-ping. SYNTHESIS AND CHARACTERIZATION OF CARDO POLYARYLETHERKETONE CONTAINING DIFFERENT ALKYL SUBSTITUENTS[J]. Acta Polymerica Sinica, 1995,(4):494-498.
WANG Zhong-gang, CHEN Tian-lu, XU Ji-ping. SYNTHESIS AND CHARACTERIZATION OF CARDO POLYARYLETHERKETONE CONTAINING DIFFERENT ALKYL SUBSTITUENTS[J]. Acta Polymerica Sinica, 1995,(4):494-498.DOI:
series of cardo polyaryletlierketones containing alkyl substituents of diffrent kind and number were synthesized by "one-step" solution polycondensation reaction of his (4-nitrophenyl) ketone(DNBP) with phenolphthalein
o-cresophthalein
2'
5'
2"
5"-tetramethylphenolphthalein and thymolphthalein. Their chemical structure and aggregation structure were confirmed by FT-IR
1H-NMR
differential scanning calorimetry
WAXD and density. The experimental result showed that polymeric free volume and segment flexibility varied greatly with position