Synthesis and characterization of functional aliphatic copolyesters

Ramaswamy Mani, Mrinal Bhattacharya, Christian Leriche, Li Nie, Sukh Bassi

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10 Scopus citations


Functional aliphatic copolyesters of succinic acid (SA) and citric acid (CA) were synthesized via direct copolycondensation in the presence of 1,4-butanediol, with titanium(IV) butoxide as a catalyst. The effects of the comonomer and comonomer ratio on the polycondensation and the melting and glass-transition temperatures were investigated. The melting temperature was very sensitive to the molar ratio of the SA-CA comonomer units. The chain extension of this poly(butylene succinate citrate) was carried out with hexamethylene diisocyanate. The intrinsic viscosity, crystallinity percentage, and rheological properties of these copolyesters were also studied.

Original languageEnglish (US)
Pages (from-to)3232-3239
Number of pages8
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Issue number19
StatePublished - Oct 1 2002


  • Aliphatic copolyesters
  • Chain extension
  • Co-polymerization
  • Gelation
  • Multifunctional monomer
  • Polycondensation


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