Polymer Glasses

Presentations

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

  ORAL · Invited

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

  Presenters

  • Shiwang Cheng

    Michigan State University

  Authors

  • Shiwang Cheng

    Michigan State University

  • David Kogut

    Michigan State University

  • Shalin Patil

    Michigan State University

  View abstract →

• 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, 4:36 PM – March 4, 2024, 4:48 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

  View abstract →

• 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, 4:48 PM – March 4, 2024, 5:00 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

  View abstract →

• Correlation between Fragility and Surface T_g of Polymers

  ORAL

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

  View abstract →

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

  ORAL

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

  Presenters

  • Peijing Yue

    University of South Florida

  Authors

  • Peijing Yue

    University of South Florida

  • David S Simmons

    University of South Florida

  View abstract →

• A random walk description of mobility in glasses

  ORAL · Invited

  March 4, 2024, 5:24 PM – March 4, 2024, 6:00 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

  View abstract →

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

  ORAL

  March 4, 2024, 6:00 PM – March 4, 2024, 6:12 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

  View abstract →

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

  ORAL

  March 4, 2024, 6:12 PM – March 4, 2024, 6:24 PM

  Presenters

  • Valeriy Ginzburg

    Michigan State University

  Authors

  • Valeriy Ginzburg

    Michigan State University

  • Alessio Zaccone

    University of Milan

  • Oleg Gendelman

    Technion

  View abstract →

• Local structural effects on thermodynamic properties and dynamic response

  ORAL

  March 4, 2024, 6:24 PM – March 4, 2024, 6:36 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

  View abstract →

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

  ORAL

  March 4, 2024, 6:36 PM – March 4, 2024, 6:48 PM

  Presenters

  • Ronald P White

    Dartmouth College

  Authors

  • Ronald P White

    Dartmouth College

  • Jane E Lipson

    Dartmouth College, Dartmouth

  View abstract →

• Spatial variations in dynamic heterogeneity in polymer thin films

  ORAL

  March 4, 2024, 6:48 PM – March 4, 2024, 7:00 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

  View abstract →