Flow Behavior of Entangled Polymer Nanoparticle Composites in a Nanotube: Insights into Jamming State.
Sign Up to like & getrecommendations! Published in 2024 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202400019
Abstract: Using molecular dynamics simulations, this study investigates the equilibrium properties and flow behaviors of entangled polymer nanoparticle composites (PNCs) within a nanotube. The results show that the density distribution of nanoparticles (NPs), displacement of polymer… read more here.
Keywords: polymer nanoparticle; pncs; flow behavior; entangled polymer ... See more keywords
Mechanism of Soft Nanoparticle Diffusion in Entangled Polymer Melts
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DOI: 10.1021/acs.macromol.0c00870
Abstract: While there is an emerging good theoretical understanding of how hard impenetrable spherical nanoparticles diffuse in unentangled and entangled polymer liquids, the analogous problem for soft perme... read more here.
Keywords: diffusion entangled; mechanism soft; polymer; nanoparticle diffusion ... See more keywords
Viscoelastic Response of Dispersed Entangled Polymer Melts
Sign Up to like & getrecommendations! Published in 2020 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c01403
Abstract: Polymer synthesis routes result in macromolecules with molecular weight dispersity ĐM that depends on the polymerization mechanism. The lowest dispersity polymers are those made by anionic and atom... read more here.
Keywords: viscoelastic response; response dispersed; entangled polymer; dispersed entangled ... See more keywords
Rheology and Entanglement Structure of Well-Entangled Polymer Melts: A Slip-Link Simulation Study
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DOI: 10.1021/acs.macromol.9b00314
Abstract: We have extended the slip-link model originally developed by Doi and Takimoto [Philos. Trans. R. Soc. London, A 2003, 361, 641] to calculate fast shear and uniaxial elongational flows. The original Doi–Takimoto (DT) model shows… read more here.
Keywords: slip link; entangled polymer; model; rheology ... See more keywords
Comment on "Relating Chain Conformations to Extensional Stress in Entangled Polymer Melts".
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.059803
Abstract: Based on non-equilibrium molecular dynamics simulations of entangled polymer melts, a recent Letter [Phys. Rev. Lett. $\textbf{121}$, 047801 (2018), arXiv:1806.09509] claims that the rising extensional stress is quantitatively consistent with the decreasing entropy of chains… read more here.
Keywords: entangled polymer; stress; comment relating; extensional stress ... See more keywords
Additive manufacturing of highly entangled polymer networks
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DOI: 10.1126/science.adn6925
Abstract: Incorporation of polymer chain entanglements within a single network can synergistically improve stiffness and toughness, yet attaining such dense entanglements through vat photopolymerization additive manufacturing [e.g., digital light processing (DLP)] remains elusive. We report a… read more here.
Keywords: polymer networks; additive manufacturing; highly entangled; manufacturing highly ... See more keywords
Simple, Accurate and User-Friendly Differential Constitutive Model for the Rheology of Entangled Polymer Melts and Solutions from Nonequilibrium Thermodynamics.
Sign Up to like & getrecommendations! Published in 2020 at "Materials"
DOI: 10.3390/ma13122867
Abstract: In a recent reformulation of the Marrucci-Ianniruberto constitutive equation for the rheology of entangled polymer melts in the context of nonequilibrium thermodynamics, rather large values of the convective constraint release parameter βccr had to be… read more here.
Keywords: rheology entangled; entangled polymer; model; rheology ... See more keywords