Biobased polyesters with composition-dependent thermomechanical properties: Synthesis and characterization of poly(butylene succinate-co-butylene azelate)

Rosica Mincheva, Adrien Delangre, Jean Marie Raquez, Ramani Narayan, Philippe Dubois

Research output: Contribution to journalArticle

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Abstract

Environmentally friendly poly(butylenesuccinate-co-butyleneazelate) (P(BS-co-BAz)s) aliphatic copolyesters with composition-dependent thermomechanical properties were synthesized from succinic acid (SuA), 1,4-butanediol (BDO), and dimethylazelate (DMAz) through a two-step polycondensation reaction. The molar SuA/AzA ratio was varied from 4:1 to 1:4, and the chemical structure and molecular characteristics of resulting (co)polyesters were characterized by NMR and SEC, whereas thermal properties and crystallinity were studied by differential scanning calorimetry (DSC), dynamic mechanical thermal analyses (DMTA), and X-ray diffraction (XRD). A good agreement between theoretical and experimental SuA/AzA molar ratios in the copolyesters was achieved, together with the recovery of semicrystalline random copolymers of uniform composition along the chains. NMR, DSC, DMTA, and XRD results show that depending on their composition the P(BS-co-BAz) copolyesters might find applications from elastomers to high-impact thermoplastics.

LanguageEnglish (US)
Pages890-899
Number of pages10
JournalBiomacromolecules
Volume14
Issue number3
DOIs
StatePublished - Mar 11 2013

Profile

Polyesters
Succinic Acid
Acids
Differential scanning calorimetry
Chemical analysis
Nuclear magnetic resonance
Elastomers
X ray diffraction
Polycondensation
Thermoplastics
Thermodynamic properties
Copolymers
Recovery
butylene
bionole
Hot Temperature

ASJC Scopus subject areas

  • Bioengineering
  • Materials Chemistry
  • Polymers and Plastics
  • Biomaterials

Cite this

Biobased polyesters with composition-dependent thermomechanical properties : Synthesis and characterization of poly(butylene succinate-co-butylene azelate). / Mincheva, Rosica; Delangre, Adrien; Raquez, Jean Marie; Narayan, Ramani; Dubois, Philippe.

In: Biomacromolecules, Vol. 14, No. 3, 11.03.2013, p. 890-899.

Research output: Contribution to journalArticle

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