Feng Li
Associate Research ScientistCards
About
Research
Publications
2025
Nanoscale dispersion of maltooligosaccharides in poly(ε-caprolactone) for an enhanced mechanical performance and marine-biodegradability characteristics
Fujiwara Y, Kotcharoen W, Kobayashi T, Tsuji Y, Suzuki K, Lang W, Li F, Yamamoto T, Takeuchi Y, Takahashi K, Borsali R, Tajima K, Satoh T, Isono T. Nanoscale dispersion of maltooligosaccharides in poly(ε-caprolactone) for an enhanced mechanical performance and marine-biodegradability characteristics. Polymer Degradation And Stability 2025, 242: 111663. DOI: 10.1016/j.polymdegradstab.2025.111663.Peer-Reviewed Original ResearchPoly(e-caprolactoneBlock copolymersMechanical performanceNanoscale dispersionNeat PCLCopper-catalyzed azide–alkyne “click” chemistryBinary blendsAzide-alkyne click chemistrySugar-based block copolymersABA‐type block copolymersBlock copolymer additivesBlock copolymer blendsSimulated seawater conditionsYield strengthMechanical robustnessBridge conformationMechanical propertiesClick chemistryPolymer materialsSolvent castingYoung's modulusMechanical testsB blockBiodegradation characteristicsBlendsMildly Catalyzed Alternating Copolymerization Yields Solution-Processable Fluorinated Polyesters with High Thermal and Surface Performance
Ke C, Suzuki R, Gao T, Li F, Yamamoto T, Isono T, Liou G, Satoh T. Mildly Catalyzed Alternating Copolymerization Yields Solution-Processable Fluorinated Polyesters with High Thermal and Surface Performance. Macromolecules 2025, 58: 12250-12263. DOI: 10.1021/acs.macromol.5c02588.Peer-Reviewed Original ResearchFluorinated polyestersRing-opening alternating copolymerizationThermal stabilityCommercial fluoropolymersChemical recyclingChemical resistanceNovel catalystsPolymerization controlTunable compositionLow surface energyPoly(vinylidene fluorideEster bondsFluoropolymerCopolymerizationSurface energyMolecular weightSurface propertiesHigh-performance applicationsPolyesterPolyfluoroalkyl substancesSurface performanceHigh thermalCatalystControlled degradationPivalateStructure–Property Relationships in Multicyclic Polystyrenes: Synthesis, Physical Properties, and Comparison with Acyclic Counterparts
Ebii Y, Watanabe T, Li F, Tajima K, Yamamoto T, Isono T, Satoh T. Structure–Property Relationships in Multicyclic Polystyrenes: Synthesis, Physical Properties, and Comparison with Acyclic Counterparts. Macromolecules 2025, 58: 11258-11269. DOI: 10.1021/acs.macromol.5c02410.Peer-Reviewed Original ResearchStructure-property relationshipsAcyclic counterpartsMulticyclic polystyrenesStructure-propertyHigher glass transition temperatureCyclic unitsDesign of advanced materialsGlass transition temperatureMulticyclic topologiesMulticyclic polymersNorbornene backboneCyclic topologyPhysical propertiesThermal stabilityMolecular architectureStructural transitionCyclic chainsKuhn lengthTransition temperatureAdvanced materialsHydrodynamic volumePolystyreneSynthesisMC-PNorborneneSelf-assembly of dextran-solanesol block copolymers into spherical micelles for photostabilization of quercetin
Lang W, Watanabe T, Fujiwara Y, Fukushima S, Shao Y, Borsali R, Takahashi K, Li F, Yamamoto T, Tajima K, Satoh T, Isono T. Self-assembly of dextran-solanesol block copolymers into spherical micelles for photostabilization of quercetin. Carbohydrate Polymers 2025, 372: 124508. PMID: 41274709, DOI: 10.1016/j.carbpol.2025.124508.Peer-Reviewed Original ResearchConceptsSelf-AssemblyOrganic solventsSpherical micellar structuresSmall-angle X-ray scatteringX-ray scatteringBlock copolymer designDynamic light scatteringMicellar assembliesTransmission electron microscopyBlock copolymersG-CDSpherical micellesMicellar structureCopolymer designStructural confinementAbsence of UV exposureUV-C irradiationSolventCyclodextrinLight scatteringCopolymersElectron microscopyBioactive quercetinEllipsoidal morphologyEncapsulation propertiesMicrophase separation in maltooligosaccharide-based block co-oligomers with dominant sugar volume fractions: Toward a comprehensive understanding of the phase behavior
Lee C, Nishimura T, Li F, Yamamoto T, Borsali R, Tajima K, Chen H, Satoh T, Isono T. Microphase separation in maltooligosaccharide-based block co-oligomers with dominant sugar volume fractions: Toward a comprehensive understanding of the phase behavior. Carbohydrate Polymers 2025, 371: 124488. PMID: 41198304, DOI: 10.1016/j.carbpol.2025.124488.Peer-Reviewed Original ResearchMicrophase separation behaviorVolume fractionSmall-angle X-ray scatteringSelf-assembled morphologiesHexagonally packed cylindrical structuresGrazing incidence small-angle X-ray scatteringIncidence small-angle X-ray scatteringMicrophase-separated structureBlock co-oligomersPhase diagramThin film stateThin filmsCylindrical structureMicrophase separationSugar-richPhase behaviorX-ray scatteringSeparation behaviorMicrophaseCo-oligomersMulticyclic polymer synthesis via a consecutive cyclization approach
Ebii Y, Ebe M, Li F, Isono T, Satoh T. Multicyclic polymer synthesis via a consecutive cyclization approach. Polymer Journal 2025, 57: 1295-1311. DOI: 10.1038/s41428-025-01078-w.Peer-Reviewed Original ResearchMulticyclic polymersPolymer chainsThird-generation Grubbs catalystGrubbs catalystCyclization approachMacrocyclic polymersCyclic precursorsPolymer synthesisGrafted polymerSide chainsCyclic topologyBranched polymersPolymerCyclic unitsSynthesisPotential applicationsCyclopolymerizationChainCatalystMacromonomersEfficient methodPrecursorMacromoleculesOligomerizationCageRing-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, 57: 1153-1163. 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 distributionPOSS–Oligosaccharide Hybrid Materials as a Versatile Platform for Constructing Unique Spherical Phases
Nishimura T, Cheng C, Oishi Y, Li F, Borsali R, Yamamoto T, Tajima K, Chen H, Satoh T, Isono T. POSS–Oligosaccharide Hybrid Materials as a Versatile Platform for Constructing Unique Spherical Phases. Macromolecules 2025, 58: 7094-7103. DOI: 10.1021/acs.macromol.5c00761.Peer-Reviewed Original ResearchPolyhedral oligomeric silsesquioxanePolyhedral oligomeric silsesquioxane unitsFrank-Kasper A15 phaseThiol-ene reactionSelf-assembled morphologiesApplications of functional nanomaterialsX-ray scattering analysisSmall-angle X-ray scattering analysisHybrid material systemsFrank-Kasper phasesOligomeric silsesquioxaneSpherical phaseBody-centeredFunctional nanomaterialsNanoscale designVersatile platformMaterial systemsScattering analysisA15 phaseSilsesquioxanePhaseNanostructuresVolume fractionReactionNanomaterialsConjugated Polymer Nanoparticles and Thin Films of Defect-Free Cyclic P3HT: Effects of Polymer Topology on the Nanostructure
Watanabe T, Maeki M, Tokeshi M, Gao T, Li F, Isono T, Tajima K, Satoh T, Sato S, Yamamoto T. Conjugated Polymer Nanoparticles and Thin Films of Defect-Free Cyclic P3HT: Effects of Polymer Topology on the Nanostructure. Molecules 2025, 30: 2490. PMID: 40572455, PMCID: PMC12196461, DOI: 10.3390/molecules30122490.Peer-Reviewed Original ResearchGrazing incidence X-ray scatteringConjugated polymer nanoparticlesEffect of polymer topologyPolymer topologyCP NPsPolymer nanoparticlesMolecular weight dependenceX-ray scatteringConjugation lengthP3HT filmsPoly(3-hexylthiopheneSolvatochromic propertiesHypsochromic shiftInterchain orderingAbsorption spectraMolecular orientationNanostructure regulationP3HTThin filmsReduced particle sizeWeight dependenceNanoscale materialsMicrofluidic devicesSteady responseParticle sizeUnique Complex Structure and Mechanism of Physisorption of Defect-Free Cyclic Poly(ethylene glycol) onto Gold Nanoparticles
Watanabe T, Yamasaki M, Nakai T, Pottammal B, Maruyama Y, Iwase H, Ryoki A, Gao T, Li F, Isono T, Tajima K, Satoh T, Sato S, Yamamoto T. Unique Complex Structure and Mechanism of Physisorption of Defect-Free Cyclic Poly(ethylene glycol) onto Gold Nanoparticles. Langmuir 2025, 41: 13993-14007. PMID: 40420393, DOI: 10.1021/acs.langmuir.5c00930.Peer-Reviewed Original ResearchSmall-angle neutron scatteringNuclear magnetic resonanceCyclic poly(ethylene glycolMolecular dynamicsGold nanoparticlesValues of free energy of adsorptionSurface functionalization of gold nanoparticlesPoly(ethylene glycolFree energy of adsorptionFunctionalization of gold nanoparticlesHO-PEG-OHHS-PEG-OMeSmall-angle neutron scattering dataEnergy of adsorptionWater moleculesSurface of AuNPsMD simulationsGold surfaceUnique structurePhysisorptionSurface functionalizationNeutron scatteringAdsorption densityFavorable adsorptionMechanism of physisorption