Polymer Glasses

Presentations

• Invited: Glass transition of polymers under ultrafine nanoconfinement: interfacial dynamics and the spatial gradients

  ORAL · Invited

  March 4, 2024, 3:00 PM – March 4, 2024, 3:36 PM

  Presenters

  • Shiwang Cheng

    • Michigan State University

  Authors

  • Shiwang Cheng

    • Michigan State University

  • David Kogut

    • Michigan State University

  • Shalin Patil

    • Michigan State University

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• Acoustic Wave Propagation as a Long-Range Mechanism for Interactions in Glasses: Experimental Evidence from Studies on Glassy-Rubbery Polymer Bilayers

  ORAL

  March 4, 2024, 3:36 PM – March 4, 2024, 3:48 PM

  Presenters

  • Connie B Roth

    • Emory University

  Authors

  • Connie B Roth

    • Emory University

  • Alexander A Couturier

    • Emory University, Department of Physics
    • Emory University

  • Yannic J Gagnon

    • Emory University

  • Justin C Burton

    • Emory University, Department of Physics

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• How Does the Length of End-grafted Polystyrene Chains Alter the Spatial Gradient in Local Glass Transition Temperature Tg(z) Near Silica Interfaces?

  ORAL

  March 4, 2024, 3:48 PM – March 4, 2024, 4:00 PM

  Publication: James H. Merrill, Ruoyu Li, and Connie B. Roth, ACS Macro Letters 2023, 12, 1-7.

  Presenters

  • James H Merrill

    • Emory University

  Authors

  • James H Merrill

    • Emory University

  • Connie B Roth

    • Emory University

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• Correlation between Fragility and Surface T_g of Polymers

  ORAL

  March 4, 2024, 4:00 PM – March 4, 2024, 4:12 PM

  Presenters

  • Ophelia K Tsui

    • Hong Kong University of Science and Technology

  Authors

  • Ophelia K Tsui

    • Hong Kong University of Science and Technology

  • Zongyi Ma

    • Hong Kong University of Science and Technology

  • Haoran Nie

    • Hong Kong University of Science and Technology

  • Jinsong Yan

    • Hong Kong University of Science and Tech

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• Using Rheological and Dielectric Spectroscopy Measurements of Time-Temperature Superposition Breakdown to Validate Heterogeneous Rouse Model

  ORAL

  March 4, 2024, 4:12 PM – March 4, 2024, 4:24 PM

  Presenters

  • Peijing Yue

    • University of South Florida

  Authors

  • Peijing Yue

    • University of South Florida

  • David S Simmons

    • University of South Florida

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• A random walk description of mobility in glasses

  ORAL · Invited

  March 4, 2024, 4:24 PM – March 4, 2024, 5:00 PM

  Publication: G.A. Medvedev Random walk model of mobility in glass formers Phys. Rev. E 107, 034122 (2023)

  Presenters

  • Grigori A Medvedev

    • Purdue University

  Authors

  • Grigori A Medvedev

    • Purdue University

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• Evidence for Two Mechanisms Driving Molecular Weight Dependence of the Glass Transition Temperature in Linear Polymers

  ORAL

  March 4, 2024, 5:00 PM – March 4, 2024, 5:12 PM

  Publication: Drayer, William F., and David S. Simmons. "Is the Molecular Weight Dependence of the Glass Transition Temperature Caused by a Chain End Effect?." arXiv preprint arXiv:2303.15399 (2023).

  Presenters

  • William F Drayer

    • University of Pennsylvania

  Authors

  • William F Drayer

    • University of Pennsylvania

  • David S Simmons

    • University of South Florida

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• Combined Modeling of the Volume, Dielectric, and Stress Relaxation and Fatigue Behavior in Glassy Polymers

  ORAL

  March 4, 2024, 5:12 PM – March 4, 2024, 5:24 PM

  Presenters

  • Valeriy Ginzburg

    • Michigan State University

  Authors

  • Valeriy Ginzburg

    • Michigan State University

  • Alessio Zaccone

    • University of Milan

  • Oleg Gendelman

    • Technion

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• Local structural effects on thermodynamic properties and dynamic response

  ORAL

  March 4, 2024, 5:24 PM – March 4, 2024, 5:36 PM

  Publication: [1] White, R.P.; Lipson, J.E.G. (2023) Why Volume and Dynamics Decouple in Nanocomposite Matrices: Space that Cannot be Accessed is not Free. Physical Review Letters DOI: 10.1103/PhysRevLett.131.018101.

  Presenters

  • Jane E Lipson

    • Dartmouth College
    • Dartmouth

  Authors

  • Jane E Lipson

    • Dartmouth College
    • Dartmouth

  • Ronald P White

    • Dartmouth

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• Segmental (α-) and Slow (SAP) Relaxation Processes: Connections with Thermodynamic Properties and Physical Aging

  ORAL

  March 4, 2024, 5:36 PM – March 4, 2024, 5:48 PM

  Presenters

  • Ronald P White

    • Dartmouth College

  Authors

  • Ronald P White

    • Dartmouth College

  • Jane E Lipson

    • Dartmouth College
    • Dartmouth

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• Spatial variations in dynamic heterogeneity in polymer thin films

  ORAL

  March 4, 2024, 5:48 PM – March 4, 2024, 6:00 PM

  Publication: Austin Hartley, William Drayer, Asieh Ghanekarade, and David Simmons, Interplay between Dynamic Heterogeneity and Interfacial Gradients in a Model Polymer Film, Journal of Chemical Physics, Accepted Manuscript.

  Presenters

  • David S Simmons

    • University of South Florida

  Authors

  • David S Simmons

    • University of South Florida

  • Austin Hartley

    • University of South Florida

  • William F Drayer

    • University of Pennsylvania

  • Asieh Ghanekarade

    • University of South Florida

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