Study on Synthesis of Poly( utylenes succinate-co-diethylene succinate)

doi:10.19491/j.issn.1001-9278.2010.09.007

Abstract

Abstract: Biodegradable poly(butylene succinate-co-diethylene succinate)(PBDGS) was synthesized via polycondensation of succinate acid，1,4-butanediol，and diethylene glycol. The effect of molar ratio of acid and alcohol, catalyst, and temperature on the properties of polyesters was studied using nuclear magnetic resonance (1H-NMR), gel permeation chromatography (GPC), and differential scanning calorimetry (DSC). It is showed that when the molar ratio of acid and alcohol was 1.15:1, the condensation temperature was 230℃, and MBTO was used as a catalyst; the highest molecular weight of PBDGS was obtained，with weight and number-average molecular weight being 3.7×104 g/mol and 6.9×104 g/mol，respectively.

Key words: poly(butylene succinate-co-diethylene succinate), synthesis, biodegradability

CLC Number:

O631.5
TQ323.4

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Study on Synthesis of Poly( utylenes succinate-co-diethylene succinate)

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