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Chain extender effect of 3-(4-hydroxyphenyl)propionic acid/layered double hydroxide in biopolyesters containing succinate moiety

Abstract

3-(4-hydroxyphenyl)propionic acid, intercalated in Mg2Al/layered double hydroxide has been used as filler in biopolyesters containing succinate moiety, such as poly(propylene succinate) (PPS), poly(butylene succinate-co-butylene adipate) (PBSA) and poly(butylene succinate) (PBS) with the aim of inducing an effect similar to that of an increment of the molecular weight of matrices. The composites (1, 5 and 10 wt. % of filler), have been prepared by a simple melt blending procedure. X-ray diffraction analysis revealed the presence of intercalated structures in composites. From melt rheology measurements, a chain extender effect of the filler, towards PBS, PPS and to some extent PBSA, was evident and proportional to the composition, producing a reinforcing role of the filler towards the polymeric chains. Moreover, no gel-like structure was produced. Such findings can be useful in widening the processing window of biopolyesters, in order to design multifunctional materials with adapted properties.

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Article information


Submitted
20 Dec 2019
Accepted
07 Mar 2020
First published
11 Mar 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Chain extender effect of 3-(4-hydroxyphenyl)propionic acid/layered double hydroxide in biopolyesters containing succinate moiety

L. Sisti, G. Totaro, A. Celli, A. A. Marek, V. Verney and F. Leroux, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/C9NJ06322F

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