Articlenpj soft matter2025
Porous nanoparticles overcome the conventional stiffness-damping tradeoff in polymer nanocomposites.
Article in npj soft matter, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed.
- Coupled effects of nanoparticle surface roughness and grafting architecture on mechanical reinforcement in polymer nanocomposites.Nanotechnology · 2026Article
- Article
- Nanoasperity-Driven Reinforcement and Viscoelastic Modulation in Polymer Nanocomposites: A Coarse-Grained Molecular Dynamics Study.Computational materials science · 2026Article
- Review
- Peptide-based drug design using generative AI.Chemical communications (Cambridge, England) · 2026Review
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Authors and funding
2 authors.
Funding
Abstract
Nanoparticle-reinforced polymer nanocomposites offer tunable mechanical properties, yet the impact of nanoparticle surface configurations on mechanical and viscoelastic properties remains underexplored. Using coarse-grained molecular dynamics simulations, we investigate how smooth, corrugated, and porous nanoparticles affect the molecular dynamic behaviors of polymer chains, as well as stiffness and damping properties of polymethyl methacrylate (PMMA) nanocomposites. Our results show that all nanoparticle-PMMA systems enhance Young's and shear moduli, with porous nanoparticles providing the greatest improvements. Stronger interfacial interactions further amplify these effects. A quasi-linear correlation is observed between shear modulus and Debye-Waller factor-based molecular stiffness, with porous nanoparticles exhibiting higher shear moduli due to their unique structural confinement effect. Local molecular stiffness analysis reveals pronounced dynamic heterogeneity, leading to heterogeneous strain distributions under shear deformation. Small amplitude oscillatory tests demonstrate simultaneous enhancements in stiffness and damping, overcoming the conventional tradeoff. These findings highlight the potential of tailoring nanoparticle surface configurations for designing polymer nanocomposites with superior mechanical performance.
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Registered trials
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