2024
Room temperature catalytic upgrading of unpurified lignin depolymerization oil into bisphenols and butene-2
Subbotina E, Souza L, Zimmerman J, Anastas P. Room temperature catalytic upgrading of unpurified lignin depolymerization oil into bisphenols and butene-2. Nature Communications 2024, 15: 5892. PMID: 39003256, PMCID: PMC11246530, DOI: 10.1038/s41467-024-49812-x.Peer-Reviewed Original ResearchButene-2Bio-based carbon contentSource of renewable aromaticsGlass transition temperatureSynthetic utilityOlefin metathesisReductive catalytic fractionationBio-based carbonCatalyst loadingTarget monomersMild conditionsHydrogen pressureThermal stabilityRenewable aromaticsLoss of functionTransition temperatureCatalytic fractionationLignin depolymerizationCatalytic upgradingConvert ligninMonomerUpgrading methodsBisphenolHigh temperature
2020
Ionic cross-linked polyvinyl alcohol tunes vitrification and cold-crystallization of sugar alcohol for long-term thermal energy storage
Yazdani M, Etula J, Zimmerman J, Seppälä A. Ionic cross-linked polyvinyl alcohol tunes vitrification and cold-crystallization of sugar alcohol for long-term thermal energy storage. Green Chemistry 2020, 22: 5447-5462. DOI: 10.1039/d0gc01427c.Peer-Reviewed Original ResearchX-ray diffractionDifferential scanning calorimetryPolyvinyl alcoholThermogravimetric analysisPhase change materialElectron microscopy-energy dispersive X-ray spectroscopyCross-linked polyvinyl alcoholStrong intermolecular interactionsDispersive X-ray spectroscopyUnique propertiesCross-linked matrixMaterials unique propertiesX-ray spectroscopyHydrogen bondingIntermolecular interactionsCross linkerOptical microscopyPolymeric matrixUndesired crystallizationFourier transformScanning calorimetryNew sustainable materialsChange materialsPVA matrixThermal stability