Comparative Experimental and Molecular Simulation Study of the Entropic Viscoelasticity of End-Linked Polymer Networks
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DOI: 10.1021/acs.macromol.0c00972
Abstract: Bifunctional vinyl-terminated poly(dimethylsiloxane) chains are end-linked by tetrafunctional tetrakis(dimethylsiloxy)silane cross-linkers to produce irregular polymer networks with controlled stoi... read more here.
Keywords: comparative experimental; experimental molecular; polymer networks; simulation study ... See more keywords
A Comparison between Predictions of the Miller–Macosko Theory, Estimates from Molecular Dynamics Simulations, and Long-Standing Experimental Data of the Shear Modulus of End-Linked Polymer Networks
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DOI: 10.1021/acs.macromol.3c02544
Abstract: Long-standing experimental data on the elastic modulus of end-linked poly(dimethylsiloxane) (PDMS) networks are employed to corroborate the validity of the Miller–Macosko theory (MMT). The validity of MMT is also confirmed by molecular dynamics (MD) simulations… read more here.
Keywords: end; experimental data; modulus end; long standing ... See more keywords
Effects of Randomly End-Linked Copolymer Network Parameters on the Formation of Disordered Cocontinuous Phases
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DOI: 10.1021/acs.macromol.9b00050
Abstract: Randomly end-linked copolymer networks (RECNs) provide a robust route to cocontinuous nanoscale structures, yielding opportunities to integrate desirable and distinct properties of the constituent materials. In this report, we rely on gravimetric and mechanical analysis… read more here.
Keywords: randomly end; network parameters; disordered cocontinuous; end linked ... See more keywords
Real-Time Quantification of Molecular-Level Dynamic Behaviors Underpinning Shear Thinning in End-Linked Associative Polymer Networks.
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DOI: 10.1021/jacs.4c12652
Abstract: Shear thinning of associative polymers is tied to bond breakage under deformation and retraction of dangling chains, as predicted by transient network theories. However, an in-depth understanding of the molecular mechanisms is limited by our… read more here.
Keywords: real time; linked associative; bond; shear thinning ... See more keywords
Reversible two-way tuning of thermal conductivity in an end-linked star-shaped thermoset
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DOI: 10.1038/s41467-024-49354-2
Abstract: Polymeric thermal switches that can reversibly tune and significantly enhance their thermal conductivities are desirable for diverse applications in electronics, aerospace, automotives, and medicine; however, they are rarely achieved. Here, we report a polymer-based thermal… read more here.
Keywords: linked star; star shaped; conductivity; thermal conductivity ... See more keywords