2025
Ring-opening alternating copolymerization of cyclic anhydrides and isobutylene oxide using organobase catalysts
Sugiyama M, Suzuki R, Ayakawa H, Gao T, Li F, Yamamoto T, Isono T, Satoh T. Ring-opening alternating copolymerization of cyclic anhydrides and isobutylene oxide using organobase catalysts. Polymer Journal 2025, 1-11. DOI: 10.1038/s41428-025-01087-9.Peer-Reviewed Original ResearchRing-opening alternating copolymerizationIsobutylene oxideWell-controlled synthesisCyclic anhydridesSynthesis of polyestersOrganobase catalystCrystalline polyestersStatistical copolymersPhthalic anhydrideNarrow molecular weight distributionPotential side reactionsSynthesis of copolymersMolecular weight distributionMacromolecular designSide reactionsAmorphous polyestersBlock copolymersAnhydridePoly(trimethylene carbonateCatalystEpoxideLow reactivityVersatile structureDiverse structuresWeight distribution
2024
Organobase-Catalyzed Ring-Opening Copolymerization of Cyclic Anhydrides and Oxetanes: Establishment and Application in Block Copolymer Synthesis
Ota I, Suzuki R, Mizukami Y, Xia X, Tajima K, Yamamoto T, Li F, Isono T, Satoh T. Organobase-Catalyzed Ring-Opening Copolymerization of Cyclic Anhydrides and Oxetanes: Establishment and Application in Block Copolymer Synthesis. Macromolecules 2024, 57: 3741-3750. DOI: 10.1021/acs.macromol.3c02483.Peer-Reviewed Original ResearchRing-opening copolymerizationCyclic anhydridesTrimethylene oxideCyclic ethersRing-opening copolymerization of phthalic anhydridePhthalic anhydrideRing-opening polymerization of trimethylene carbonatePolymerization of trimethylene carbonatePolymerization processBlock copolymer synthesisRing-opening polymerizationSelf-switchable polymerizationPredictable molecular weightGlass transition temperatureControlled/living natureSynthesized polyestersCopolymer synthesisBlock copolymersOxetaneAnhydridePolymer materialsFunctional groupsL-lactidePolymerizationTransition temperatureSynthesis of amino-functionalized polyester via ring-opening alternating copolymerization of glycidylamines with cyclic anhydrides
Suzuki R, Gao T, Sumi A, Yamamoto T, Tajima K, Li F, Isono T, Satoh T. Synthesis of amino-functionalized polyester via ring-opening alternating copolymerization of glycidylamines with cyclic anhydrides. Polymer Chemistry 2024, 15: 3349-3358. DOI: 10.1039/d4py00715h.Peer-Reviewed Original ResearchRing-opening alternating copolymerizationCyclic anhydridesPhthalic anhydridePolymeric materialsAlkali metal carboxylatesChain extension studiesChain-growth polymerizationFunctional end groupsSide chain structurePhosphazene baseControlled/living natureMonomer scopeMetal carboxylatesEnd groupsBlock copolyestersAnhydrideSynthetic pathwayStructural diversityPolymerizationMonomerMolecular weightAntibacterial materialsPolyesterSynthesisAlcohol initiation
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