Synthesis and characterization of functional aliphatic copolyesters

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

doi:10.1002/pola.10417

Synthesis and characterization of functional aliphatic copolyesters

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

Bioproducts and Biosystems Engineering

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Abstract

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 language	English (US)
Pages (from-to)	3232-3239
Number of pages	8
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	40
Issue number	19
DOIs	https://doi.org/10.1002/pola.10417
State	Published - Oct 1 2002

Keywords

Aliphatic copolyesters
Chain extension
Co-polymerization
Gelation
Multifunctional monomer
Polycondensation

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abstract = "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.",

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AU - Mani, Ramaswamy

AU - Bhattacharya, Mrinal

AU - Leriche, Christian

AU - Nie, Li

AU - Bassi, Sukh

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AB - 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.

KW - Aliphatic copolyesters

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KW - Gelation

KW - Multifunctional monomer

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Synthesis and characterization of functional aliphatic copolyesters

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