Tomonori Saito

CRADA Final Report: CRADA Number NFE-24-10024 with Re-Du Company

Tomonori Saito, USDOE Office of Energy Efficiency and Renewable Energy (EERE), USDOE, Md Arifuzzaman

This report was prepared as an account of

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Overcoming mechanical stability-flow processability trade-off of vitrimers using ionic interactions

Harmandeep Singh, Mary Danielson, Ryan Peterson, Ivan Popov et autres

It is well established that the macroscopic flow of dynamic covalent networks involves mesoscopic rearrangement of crosslinkers; however, its relationship with local, segmental motions remains under debate. In this vein, the present study investigates how tuning the segmental (α) dynamics using salt …

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PET waste- and bio-derived imine vitrimers for shape-memory, intrinsic flame-retardant, and recyclable carbon fiber composites

Mary K. Danielson, Karen P. Cortés‐Guzmán, Jihye Choi, Akash Phadatare et autres

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Dynamic Interfacial Design in Adaptive Hybrid Materials Enables Reversible and Tunable Mechano-Optic Smart Responses

Md Anisur Rahman, Vera Bocharova, Sungjin Kim, Jihye Choi et autres

High Resolution Image Download MS PowerPoint Slide Next-generation polymeric materials are shifting toward adaptive and interactive behaviors of living systems; however, designing materials that can reversibly modulate optical properties under mechanical deformation while maintaining mechanical robustness remains a key challenge. Here, we …

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Understanding Depolymerization and Repolymerization Toward Repurposing Polymer Waste Into Valuable Chemicals & Materials

Nicholas J. Galan, Britney Baez, Md Anisur Rahman, Jeffrey C. Foster et autres

ABSTRACT The versatility of synthetic polymers has led to their continual and escalating production that has accompanied mismanagement at their end‐of‐life. Exploring and understanding complementary avenues to repurpose plastic waste beyond traditional mechanical recycling can unlock new opportunities in providing feedstock flexibility, …

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Biobased Flame Retardants Towards Sustainable Building Materials with Low Embodied Carbon

Zoriana Demchuk, Karen Cortes Guzman, Mengjia Tang, Kuma Sumathipala et autres

Novel insight into the kinetics of amide bond glycolysis for nylon-6 depolymerization

Pardeep Kumar, Jerwin Go, Rachel A. Letteri, Tomonori Saito et autres

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A Solid State Zwitterionic Plastic Crystal With High Static Dielectric Constant

Zitan Huang, Yifan Liu, Tiago Outerelo Corvo, Ain Uddin et autres

ABSTRACT Solid materials with a high dielectric constant have a wide range of applications in the energy storage field. In this research, an imidazolium‐based zwitterion is designed, synthesized, and confirmed to have a plastic crystal phase based on the following experimental and …

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Tailored glycolysis of Nylon 6 to enable upcycling into high-strength adhesives

Jackie Zheng, Nicholas J. Galan, Octavio Jupp, Menisha S. Karunarathna et autres

Nylon is a high-strength polyamide widely used in automotive, textiles, packaging, etc. However, its durability makes nylon waste difficult to manage, with recycling limited to mechanical grinding to make fillers. Here, we report a catalytic glycolysis approach to deconstruct Nylon 6 into …

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Force-Triggered, Biobased Sealants for Prefabricated Building Components: Toward Improved Efficiency and Performance

Karen P. Cortés‐Guzmán, Diana Hun, Tomonori Saito, Zoriana Demchuk

The prefabricated building construction industry has made extensive progress in expediting the manufacture of prefabricated components at off-site plants. However, the sealing of joints between these components, which is crucial to ensuring the weatherproofing of the assembly, still represents a labor-intensive, on-site …

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Front Cover: Closed‐Loop Recyclable Vitrimer Plastics from PET Waste: A Design for Circularity (ChemSusChem 18/2025)

Mary K. Danielson, Catalin Gainaru, Zoriana Demchuk, Jihye Choi et autres

The Front Cover shows a commercial airplane with a plastic-bottle-shaped fuselage flying over a landfill. This symbolizes the transformation of consumer plastic waste into sustainable, high-performance closedloop recyclable vitrimers composite materials for aerospace, wind turbine blade and automotive applications. More information can …

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Emergent Nanostructure and Ion Transport in Polyzwitterion/Polyanion Blends

Hongwei Li, Qinyu Zhu, Yuya Shinohara, Yangyang Wang et autres

High Resolution Image Download MS PowerPoint Slide Solid polymer electrolytes (SPEs) hold great promise for the advancement of next-generation energy storage devices. However, the ion transport mechanism in SPEs remains poorly understood. In this study, we investigate blends of poly(1-(3-sulfonatopropyl)-2-vinylpyridinium) (P2VPPS) and …

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