LaShanda T. J. Korley
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View article: Reprocessable, Lignin‐Derivable, Non‐Isocyanate Polyurethane Covalent Adaptable Networks With Complete Recovery of (Thermo)Mechanical Properties
Reprocessable, Lignin‐Derivable, Non‐Isocyanate Polyurethane Covalent Adaptable Networks With Complete Recovery of (Thermo)Mechanical Properties Open
View article: PMSE Centennial: Celebration of Success and New Frontiers in Polymer Materials Science and Engineering
PMSE Centennial: Celebration of Success and New Frontiers in Polymer Materials Science and Engineering Open
In 2024, the American Chemical Society (ACS), Division of Polymeric Materials: Science and Engineering (PMSE), celebrated its centennial. This historic occasion was marked at the 2024 Spring ACS Meeting in New Orleans with a Centennial Sym…
View article: Conversion of Compositionally Diverse Plastic Waste over Earth-Abundant Sulfides
Conversion of Compositionally Diverse Plastic Waste over Earth-Abundant Sulfides Open
Chemical deconstruction of polyolefin plastic wastes via hydroconversion is promising for mitigating plastic accumulation in landfills and the environment. However, hydroconversion catalysts cannot handle complex feedstocks containing mult…
View article: Biological polyethylene deconstruction initiated by oxidation from DyP peroxidases
Biological polyethylene deconstruction initiated by oxidation from DyP peroxidases Open
Polyethylene (PE) is the most commonly used plastic on Earth due to its favorable material properties such as high ductility, mechanical strength, and bond homogeneity that make the material resistant to deconstruction. However, the lack o…
View article: Sustainable upcycling of polyethylene waste to compatibilizers and valuable chemicals
Sustainable upcycling of polyethylene waste to compatibilizers and valuable chemicals Open
Catalyst-free, bulk oxidation of low-density polyethylene (LDPE) can be achieved with non-thermal atmospheric plasma via a viscosity modifier approach, enabling compatibilization in mixed polymer blends.
View article: Harnessing peptide–cellulose interactions to tailor the performance of self-assembled, injectable hydrogels
Harnessing peptide–cellulose interactions to tailor the performance of self-assembled, injectable hydrogels Open
Peptide–polyurea (PPU)/cellulose nanocrystal (CNC) nanocomposites demonstrate hierarchical assembly into non-covalent hydrogels with tunable strength and rapid shear recovery.
View article: Advanced mechanical properties of amphiphilic polymer conetworks through hierarchical reinforcement with peptides and cellulose nanocrystals
Advanced mechanical properties of amphiphilic polymer conetworks through hierarchical reinforcement with peptides and cellulose nanocrystals Open
Amphiphilic polymer conetworks were mechanically reinforced with a combination of peptide blocks and cellulose nanocrystals, resulting in transparent, water-swellable and hexane-swellable gels with excellent mechanical properties.
View article: Lignin-derivable, thermally healable thiol-acrylate vitrimers with improved mechanical performance and reprocessability <i>via</i> transesterification
Lignin-derivable, thermally healable thiol-acrylate vitrimers with improved mechanical performance and reprocessability <i>via</i> transesterification Open
The presence of methoxy substituents on lignin-derivable (bis)phenols leads to enhanced toughness and thermal healing in thiol-acrylate vitrimers, highlighting the potential of renewable feedstocks to improve sustainability in polymer netw…
View article: Enhanced thermal response of 3D-printed bilayer hydrogels <i>via</i> nanoclay incorporation
Enhanced thermal response of 3D-printed bilayer hydrogels <i>via</i> nanoclay incorporation Open
Nanoclay enhances the actuation of thermally-responsive 3D-printed hydrogel bilayers.
View article: Advanced Mechanical and Functional Properties of Amphiphilic Polymer Conetworks through Hierarchical Reinforcement with Peptides and Cellulose Nanocrystals
Advanced Mechanical and Functional Properties of Amphiphilic Polymer Conetworks through Hierarchical Reinforcement with Peptides and Cellulose Nanocrystals Open
Amphiphilic polymer conetworks (APCNs) have been explored for applications, including soft contact lenses, biomaterials, and membranes. They combine several important properties of hydrogels and elastomers, including elasticity, transparen…
View article: Analyses of circular solutions for advanced plastics waste recycling
Analyses of circular solutions for advanced plastics waste recycling Open
View article: Tracking Chain Populations and Branching Structure during Polyethylene Deconstruction Processes
Tracking Chain Populations and Branching Structure during Polyethylene Deconstruction Processes Open
Catalytic deconstruction has emerged as a promising solution to valorize polyethylene (PE) waste into valuable products, such as oils, fuels, surfactants, and lubricants. Unfortunately, commercialization has been hampered by inadequate opt…
View article: Catalytic Deconstruction of Ethylene Vinyl Acetate Copolymer and Polyethylene Mixtures via Hydroconversion: Challenges and Solutions
Catalytic Deconstruction of Ethylene Vinyl Acetate Copolymer and Polyethylene Mixtures via Hydroconversion: Challenges and Solutions Open
We explore hydrogenolysis over ruthenium supported on zirconia (Ru/ZrO2) and hydrocracking over platinum (Pt) supported on zeolites as an effective end-of-life strategy for ethylene vinyl acetate (EVA)–a widely used performance …
View article: Effect of reaction media on hydrogenolysis of polyethylene plastic waste: Polymer-surface interactions in small alkane/polymer blends
Effect of reaction media on hydrogenolysis of polyethylene plastic waste: Polymer-surface interactions in small alkane/polymer blends Open
View article: Thermodynamic and Transport Properties of Binary Mixtures of Polyethylene and Higher n-Alkanes from Physics-Informed and Machine-Learned Models
Thermodynamic and Transport Properties of Binary Mixtures of Polyethylene and Higher n-Alkanes from Physics-Informed and Machine-Learned Models Open
The thermodynamics and transport properties of polymeric materials are essential for the design of reactors and for the development of polymer deconstruction processes. Existing property prediction tools such as correlations based on entro…
View article: Hydrogenolysis of Poly(Ethylene‐co‐Vinyl Alcohol) and Related Polymer Blends over Ruthenium Heterogeneous Catalysts
Hydrogenolysis of Poly(Ethylene‐co‐Vinyl Alcohol) and Related Polymer Blends over Ruthenium Heterogeneous Catalysts Open
The hydrogenolysis of polymers is emerging as a promising approach to deconstruct plastic waste into valuable chemicals. Yet, the complexity of plastic waste, including multilayer packaging, is a significant barrier to handling realistic w…
View article: Toward Circular Recycling of Polyurethanes: Depolymerization and Recovery of Isocyanates
Toward Circular Recycling of Polyurethanes: Depolymerization and Recovery of Isocyanates Open
We report a depolymerization strategy to nearly quantitatively regenerate isocyanates from thermoplastic and thermoset polyurethanes (PUs) and then resynthesize PUs using the recovered isocyanates. To date, chemical/advanced recycling of P…
View article: <b>Size and Structure Effects of Carbon-Supported Ruthenium Nanoparticles on Waste Polypropylene Hydrogenolysis Activity, Selectivity, and Product Microstructure</b>
<b>Size and Structure Effects of Carbon-Supported Ruthenium Nanoparticles on Waste Polypropylene Hydrogenolysis Activity, Selectivity, and Product Microstructure</b> Open
Hydrogenolysis of plastic waste using Ru-based catalysts is promising for deconstructing polyolefins into lower molecular weight products. Yet, the effect of catalyst atomic structure and size on activity and product selectivity is poorly …
View article: Increase in the effective viscosity of polyethylene under extreme nanoconfinement
Increase in the effective viscosity of polyethylene under extreme nanoconfinement Open
Understanding polymer transport in nanopores is crucial for optimizing heterogeneously catalyzed processes in polymer upcycling and fabricating high-performance nanocomposite films and membranes. Although confined polymer dynamics have bee…
View article: Tuning the thermal response of 3D-printed bilayer hydrogels <i>via</i> architectural control using binary ethanol–water solvent systems
Tuning the thermal response of 3D-printed bilayer hydrogels <i>via</i> architectural control using binary ethanol–water solvent systems Open
While stimuli-responsive materials can be prepared via many established procedures, digital light processing (DLP) 3D printing offers a simple and robust technique for the fabrication of hydrogels, including spatially-defined bilayer syste…
View article: Increased hydrophilicity of lignin-derivable <i>vs.</i> bisphenol-based polysulfones for potential water filtration applications
Increased hydrophilicity of lignin-derivable <i>vs.</i> bisphenol-based polysulfones for potential water filtration applications Open
This work highlights the potential of lignin-derivable compounds for the development of bio-derivable polysulfones with improved hydrophilicity due to the functionality (methoxy groups) of lignin-aromatics.
View article: Lignin-derivable, thermoplastic, non-isocyanate polyurethanes with increased hydrogen-bonding content and toughness <i>vs.</i> petroleum-derived analogues
Lignin-derivable, thermoplastic, non-isocyanate polyurethanes with increased hydrogen-bonding content and toughness <i>vs.</i> petroleum-derived analogues Open
This work highlights lignin-derivable, thermoplastic, non-isocyanate polyurethanes as potential alternatives to petroleum-derived analogues with increased toughness and processability due to the functionality of lignin-aromatics (methoxy g…
View article: Engineering lignin-derivable diacrylate networks with tunable architecture and mechanics
Engineering lignin-derivable diacrylate networks with tunable architecture and mechanics Open
Thermomechanical properties are tuned by varying diacrylate content and size in lignin-derivable networks, highlighting the design of processable, fully renewable, and performance-driven (meth)acrylate networks using network engineering ap…
View article: Rendering Polyurethane Hydrophilic for Efficient Cellulose Reinforcement in Melt‐Spun Nanocomposite Fibers
Rendering Polyurethane Hydrophilic for Efficient Cellulose Reinforcement in Melt‐Spun Nanocomposite Fibers Open
Many commodity plastics, such as thermoplastic polyurethanes (PUs), require reinforcement for use as commercial products. Cellulose nanocrystals (CNCs) offer a “green” and scalable approach to polymer reinforcement as they are exceptionall…
View article: Circularity in polymers: addressing performance and sustainability challenges using dynamic covalent chemistries
Circularity in polymers: addressing performance and sustainability challenges using dynamic covalent chemistries Open
This review provides a multidisciplinary overview of the challenges and opportunities for dynamic covalent chemistry-based macromolecules towards the design of new, sustainable, and recyclable materials for a circular economy.
View article: Leveraging peptide–cellulose interactions to tailor the hierarchy and mechanics of peptide–polymer hybrids
Leveraging peptide–cellulose interactions to tailor the hierarchy and mechanics of peptide–polymer hybrids Open
Inspired by spider silk's hierarchical diversity, we leveraged peptide motifs and functional nanofillers to modulate the mechanical properties of a conventional polymer framework via specific matrix–filler interactions.
View article: Peptide–polyurea hybrids: a platform for tunable, thermally-stable, and injectable hydrogels
Peptide–polyurea hybrids: a platform for tunable, thermally-stable, and injectable hydrogels Open
Peptide–polyurea hybrids (PPUs) demonstrate rapid hierarchical assembly into non-covalent hydrogels, which display tunable gel strength, shear recovery, and thermal stability.
View article: Contents list
Contents list Open
Permissions Request permissions Contents list Mol. Syst. Des. Eng., 2023, 8, 1225 DOI: 10.1039/D3ME90036C This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other p…
View article: Lignin-derivable alternatives to petroleum-derived non-isocyanate polyurethane thermosets with enhanced toughness
Lignin-derivable alternatives to petroleum-derived non-isocyanate polyurethane thermosets with enhanced toughness Open
Lignin-derivable non-isocyanate polyurethane thermosets are highlighted as potential alternatives to petroleum-derived analogues with significant enhancement in toughness without compromising other application-specific thermomechanical pro…
View article: Peptide‐Reinforced Amphiphilic Polymer Conetworks
Peptide‐Reinforced Amphiphilic Polymer Conetworks Open
Amphiphilic polymer conetworks (APCNs) are polymer networks composed of hydrophilic and hydrophobic chain segments. Their applications range from soft contact lenses to membranes and biomaterials. APCNs based on polydimethylsiloxane (PDMS)…