Recent developments in the mechanical properties and recycling of fiber‐reinforced polymer composites

Polymer Composites, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 15, 2024

Abstract Fiber‐reinforced polymer composites (FRPCs) have become integral to various industries due their exceptional strength‐to‐weight ratio, corrosion resistance, and versatility. Recent advancements in the properties recycling of FRPCs reflect significant progress performance sustainability. This paper reviews latest developments FRPC technology, highlighting innovations material formulation, including fiber types, matrix materials, hybrid that enhance mechanical properties. Furthermore, this review emphasizes modification matrices by incorporating graphene, which aims improve chemical bonding interlocking between matrix. Additionally, it addresses recent breakthroughs technologies, focusing on methods such as recycling, developing eco‐friendly matrices. Integrating these lifecycle management FRPCs, reduce environmental impact, support transition towards a circular economy. underscores balance enhancing composite promoting sustainable practices, paving way for more environmentally responsible applications FRPCs. Highlights The different types fiber‐reinforced been thoroughly reviewed. How does graphene affect behavior laminates? Provide systematic correlation comparison fabrication methods, deliberated.

Language: Английский

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Nanocomposites from Au‐Doped Vinylogous Urethane Vitrimers Based on Different Block Copolymers and Their Recyclability in Combination with Plasmonic Heating

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: March 6, 2025

The combination of gold nanoparticles (Au-NPs) and block copolymer (BCP)-based vinylogous urethane vitrimers leads to advanced nanocomposites where the thermal, mechanical, thermo-mechanical properties are enhanced without interfering with formation groups transamination in dynamic polymer network. Photoiniferter reversible addition-fragmentation chain transfer polymerization (photoRAFT) inverse Turkevich synthesis used this work fabricate desired BCPs spherical Au-NPs. key feature is integration Au-NPs into matrix as fixed parts hybrid network, ensuring full recyclability. A wide range can be tuned by variations content, monomers, BCP architecture. After ligand exchange, network formation, reprocessing through heat compression, unique optical retained, allowing plasmonic heating trigger exchange reaction within materials. As a result, Au-doped self-heal exhibit shape-memory shortly after exposure not only but also light. This incorporation could provide versatile platform for development materials offering potential applications coatings, sensors, electronic devices, etc.

Language: Английский

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Phosphorus/boron-containing, flame-retardant polyurethane elastomers with great mechanical, shape-memory, and recycling performances

Polymer Degradation and Stability, Journal Year: 2024, Volume and Issue: unknown, P. 111047 - 111047

Published: Oct. 1, 2024

Language: Английский

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Epoxy Vitrimer Formulation for Resin Transfer Molding: Reactivity, Process, and Material Characterization

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(10), P. 6087 - 6095

Published: May 15, 2024

Initially bound for landfill or incineration due to strong limitations in their repair recycling, thermoset composite materials have recently received considerable attention order improve end-of-life. In this respect, vitrimers appear be a solution of choice, as they possess the capability topological reconfiguration through an associative exchange mechanism, imparting them glass-like properties at high temperatures. However, despite these advances, studies with particular focus on process such pultrusion, impregnation, and resin transfer molding (RTM) remain scarce. work, detailed reactivity study was conducted vitrimer formulation based disulfide chemistry toward RTM process, which includes development time–temperature–transformation (TTT) diagram. On basis, plates were successfully prepared by RTM, yielding thermal mechanical similar reference epoxy resin. Additionally, while exhibiting very competitive properties, resulting demonstrated ability reshaped reprocessed. This work covers formulation, reactivity, implementation into and, ultimately, material characterization.

Language: Английский

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Preparation and properties of block copolymerization thermoset polyurethane elastomers prepared in situ

Polymer, Journal Year: 2023, Volume and Issue: 290, P. 126586 - 126586

Published: Dec. 13, 2023

Language: Английский

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Manipulating the Properties of Polymer Vitrimer Nanocomposites by Designing Dual Dynamic Covalent Bonds

Langmuir, Journal Year: 2024, Volume and Issue: 40(14), P. 7769 - 7780

Published: March 29, 2024

Polymer vitrimer is a novel material that contains dynamic covalent bonds (DCBs) allowing it to combine the desirable characteristics of both thermoplastics and thermosets. Similar traditional polymer nanocomposites, introducing nanoparticles into also an effective strategy further enhance its properties. However, comprehensive understanding matrix interfacial bond exchange reactions (BERs) tailor properties nanocomposites (PVNs) still lacking. Herein, we utilized coarse-grained molecular dynamics simulations investigate model PVNs in which there are two different kinds DCBs at interface. Our results show normalized autocorrelation function (Csw) confirms independence BERs By varying swap energy barrier (ΔEsw) ΔEswmat or interface ΔEswint, ΔEswall, maximum mechanical property observed moderate value ΔEswmat, orΔEswall. Meanwhile, effect ΔEsw on stress relaxation orientation as time under fixed strain well probed, decay more slowly greater ΔEsw. We simulated tension–recovery curve examine hysteresis loss permanent deformation PVNs, finding optimal achieve minimum dissipation recovery ratio. Lastly, investigated efficiency self-healing by building removing walls from system. Interestingly, stress–strain behavior Overall, this study provides valuable insights relationship between structure offering implications for manipulation their enhancement capabilities.

Language: Английский

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Role of acid hydrocarbon chain length on the cure kinetics and thermal degradation of epoxy- dicarboxylic acid vitrimers

European Polymer Journal, Journal Year: 2025, Volume and Issue: unknown, P. 113812 - 113812

Published: Feb. 1, 2025

Language: Английский

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Research Progresses in Methods for Improving the Properties of Dynamic Covalent Polymer Networks

Macromolecular Chemistry and Physics, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Abstract Dynamic covalent polymer networks (DCPNs) are a class of cross‐linked polymeric materials with good self‐healing properties, processability, and recyclability. These generally possess dynamic bonds which can undergo reversible cleavage reformation under certain conditions. The cross‐linking nature the endows them needed mechanical strength as well processibility, effectively bridging gap between traditional thermosets thermoplastics. However, in many cases, relying on alone cannot always achieve satisfactory material so modification DCPNs has been one hot spots this area. This review summarizes recent research progress DCPNs, including introduction multiple filler blending, analyzes how modifications improve specific properties. provides comprehensive overview diverse methods to manipulate structures properties may expand their potential applications.

Language: Английский

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Next-generation vitrimer composites for future mobility: Balancing sustainability and functionality – A perspective

European Polymer Journal, Journal Year: 2025, Volume and Issue: unknown, P. 113967 - 113967

Published: May 1, 2025

Language: Английский

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Novel Nanocatalysts for Sustainable Hydrogen Production from Renewable Resources

E3S Web of Conferences, Journal Year: 2024, Volume and Issue: 511, P. 01006 - 01006

Published: Jan. 1, 2024

This research delves into the development, manufacturing, and assessment of nanocatalysts with purpose producing hydrogen sustainably from renewable resources. Using sol-gel, hydrothermal, co-precipitation, solvothermal processes, four distinct catalysts labels A, B, C, D were created, respectively. The rate generation, activation energy, turnover frequency, surface area used to assess catalytic performance. Catalyst A outperformed B in terms generation rate, a 10% increase 50 mmol/g/hr. Moreover, showed superior reaction kinetics lower energy kJ/mol. With frequency 0.02 s^-1, catalyst C had highest activity, indicating higher activity per active site. Furthermore, 120 m^2/g, offered most locations for reactions that produce hydrogen. Environmental impact analyses various varied amounts resources produced varying waste. 950 liters water 45 kWh consumption, lowest use, whereas least amount chemical waste (6 kg). results stability tests durability varied, showing maximum after 100 cycles. Overall, emphasize how crucial design synthesis techniques are development effective long-lasting technologies. To optimize compositions, improve stability, scale up manufacturing real-world applications systems, further is necessary.

Language: Английский

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