2024
DOI: 10.1021/acspolymersau.4c00006
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Regio- and Stereoregular EVOH Copolymers from ROMP as Designer Barrier Materials

Claire E. Dingwell,
Marc A. Hillmyer

Abstract: This work aimed to decrease the water permeability (P H2O ) while simultaneously maintaining low oxygen permeability (P O2 ) in ethylene vinyl alcohol (EVOH)-based copolymers by introducing high levels of backbone regioregularity and stereoregularity. Both regioregular atactic and isotactic EVOH samples with 75 mol % ethylene were prepared by a ring-opening metathesis polymerization (ROMP)-hydrogenation-deprotection approach and then compared to commercial EVOH(44) (containing 44 mol % ethylene) as a low P O2 … Show more

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