Lactide-valerolactone copolymers have potential application in the packaging sector. Different copolymers were synthesized, and the kinetics of the copolymerization reactions and the microstructure of the copolymers were analysed. Lactide showed higher reactivity than valerolactone which leads to composition drift through the reaction. Thermal, mechanical and barrier properties of the selected copolymers were studied. Overall, the incorporation of valerolactone results in copolymers with higher ductility than poly(lactide) with intermediate water and oxygen permeability which makes these materials appropriate candidates for use in the packaging sector.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8747129 | PMC |
| http://dx.doi.org/10.3390/polym14010052 | DOI Listing |
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Lactide-Valerolactone Copolymers for Packaging Applications.
Polymers (Basel)
December 2021
POLYMAT, Department of Advanced Polymers and Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Manuel de Lardizabal 3 Pasealekua, 20018 Donostia, Spain.
Lactide-valerolactone copolymers have potential application in the packaging sector. Different copolymers were synthesized, and the kinetics of the copolymerization reactions and the microstructure of the copolymers were analysed. Lactide showed higher reactivity than valerolactone which leads to composition drift through the reaction.
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