Green Synthesis of copolymer (PDMS-co-PEO) Catalyzed by an ecocatalystMaghnite-H+

作者: Mohamed Belbachir , Feriel Hennaoui

DOI:

关键词: Materials sciencePolymerCationic polymerizationRing-opening polymerizationIonic conductivityPolymer chemistryConductivityPolymerizationGlass transitionChemical engineeringCopolymer

摘要: Since the discovery of ionic conduction properties polyethylene oxide doped with lithium, researchers looked for a material having conductivity suitable separating electrodes. The electric varies inversely glass transition temperature, mobility polymer chain is recommended Li+. PDMS has Tg -123°C, flexible and mobile chain. View these properties, was chosen in synthesis electrolyte to increase it conductivity. present study shows copolymer PDMS-co-PEO by simple method, one step catalytic ring opening polymerization using Maghnite-H+ (Mag-H+), montmorillonite sheet silicate clay exchanged protons, an efficient catalyst cationic polymerisation many heterocyclic. reaction copolymerization carried out chloroform at 60°C 10h. Various techniques, including 1H-NMR, IR, DSC, XRD TGA were used elucidate structural characteristics thermal products. Analyses results confirms / PEO, mechanism proposed.

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