Boosting PVC reactivity through iodination for CO2-derived functionalization
Juliette Delcorps, Emna Ben Ayed, Olivier Coulembier
TL;DR
This paper introduces a sustainable method to modify PVC using iodination and CO2-based reactions, making the process greener and more efficient.
Contribution
The novel contribution is a fourfold improvement in CO2 incorporation into PVC through iodination and SN2 substitution using CO2BAM.
Findings
Iodination of PVC occurs efficiently under mild and sustainable conditions using phase-transfer catalysis.
SN2 substitution with CO2BAM improves CO2 incorporation into PVC fourfold compared to prior methods.
The modified PVC remains fully soluble, indicating a practical and effective structural modification approach.
Abstract
Aqueous phase-transfer catalysis enables selective iodination of PVC under mild and sustainable conditions. Subsequent reaction with a DBU-based CO2-binding amine (CO2BAM) achieves efficient SN2 substitution at CH–X centers, improving CO2 incorporation fourfold relative to previous CO2BAL strategies. The polymer remains fully soluble, demonstrating a greener, safer, and effective approach to PVC structural modification. PVC iodination via phase-transfer catalysis and subsequent reaction with CO2BAMs opens new possibilities for simultaneous PVC and CO2 upcycling
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Taxonomy
TopicsPolymer Science and PVC · Vanadium and Halogenation Chemistry · Oxidative Organic Chemistry Reactions