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Synthesis and properties of novel random and block copolymers composed of phthalimidineand perfluoroisopropylidene-polyarylethersulfones

Tipo de material: TextoTextoSeries ; Polymer International, 50(2), p.249-255, 2001Trabajos contenidos:
  • Wang, Z
  • Chen, T
  • Xu, J
Tema(s): Recursos en línea: Resumen: A series of novel polyarylethersulfone (AB)n block copolymers with different segment lengths have been synthesized by nucleophilic solution polycondensation of phenoxide-terminated and ¯uorine-terminated oligomers; random copolymers have been prepared over the whole composition ranges. The structures of the resultant copolymers have been con®rmed by FTIR, 13C NMR spectra and differential scanning calorimetry (DSC). Compared with two homopolymers and random copolymers, the block copolymers of this study possess excellent thermal stability (5
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A series of novel polyarylethersulfone (AB)n block copolymers with different segment lengths have been synthesized by nucleophilic solution polycondensation of phenoxide-terminated and ¯uorine-terminated oligomers; random copolymers have been prepared over the whole composition ranges. The structures of the resultant copolymers have been con®rmed by FTIR, 13C NMR spectra and differential scanning calorimetry (DSC). Compared with two homopolymers and random copolymers, the block copolymers of this study possess excellent thermal stability (5

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