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Polymers 2015, 7(7), 1232-1247;

Poly(butylene succinate) Ionomers with Enhanced Hydrodegradability

Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, Diagonal 647, Barcelona 08028, Spain
Authors to whom correspondence should be addressed.
Academic Editor: Christine Wandrey
Received: 7 May 2015 / Revised: 25 June 2015 / Accepted: 30 June 2015 / Published: 9 July 2015
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A series of poly(butylene succinate) (PBS) ionomers containing up to 14 mol% of sulfonated succinate units have been synthesized by polycondensation in the melt-phase. The copolyesters were obtained with weight average molecular weights oscillating between 33,000 and 72,000 g·mol−1. All copolyesters were semicrystalline with melting temperatures and enthalpies decreasing and glass transition temperatures increasing with the content of ionic units. The thermal stability of PBS was slightly reduced by the incorporation of these units, and it was also found that the copolyesters were stiffer but also more brittle than PBS. The hydrolytic degradability of PBS was enhanced by copolymerization, an effect that was much more pronounced in basic media. View Full-Text
Keywords: PBS copolyesters; ionomers; thermal properties; hydrolytic degradation; sulfonated dimethyl succinate PBS copolyesters; ionomers; thermal properties; hydrolytic degradation; sulfonated dimethyl succinate

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Bautista, M.; de Ilarduya, A.M.; Alla, A.; Muñoz-Guerra, S. Poly(butylene succinate) Ionomers with Enhanced Hydrodegradability. Polymers 2015, 7, 1232-1247.

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