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Polymer Bulletin

, Volume 68, Issue 7, pp 1921–1934 | Cite as

Synthesis and liquid crystalline behavior of phosphorus-containing aliphatic–aromatic copoly(ester-imide)s

  • Ionela-Daniela Carja
  • Diana Serbezeanu
  • Tăchiţă Vlad-Bubulac
  • Corneliu Hamciuc
  • Maria Brumă
Original Paper

Abstract

A series of phosphorus-containing copoly(ester-imide)s was prepared by polycondensation reaction of 2-(6-oxido-6H-dibenz<c,e><1,2>oxaphosphorin-6-yl)-1,4-naphthalene diol, 1, or of various mixtures of 1 and 1,12-dodecanediol, 3, with an aromatic diacid chloride containing preformed imide rings, 2, namely 4-chloroformyl-N-(p-chloroformylphenyl)-phthalimide. The polymers exhibited thermotropic liquid crystalline behavior, as was observed by means of polarized light microscopy, differential scanning calorimetry, and X-ray investigations. The copoly(ester-imide)s showed good thermal stability having the temperature of 5% weight loss above 365–408 °C and char yield at 700 °C in the range 8.8–48%.

Keywords

Poly(ester-imide)s Phosphorus-containing polymers Thermal stability Thermotropic liquid crystalline behavior 

Notes

Acknowledgments

This study was supported by CNCSIS-UEFISCSU, project number PN II-RU 657/2010.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Ionela-Daniela Carja
    • 1
  • Diana Serbezeanu
    • 1
  • Tăchiţă Vlad-Bubulac
    • 1
  • Corneliu Hamciuc
    • 1
  • Maria Brumă
    • 1
  1. 1.“Petru Poni” Institute of Macromolecular ChemistryIasiRomania

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