Glass Dynamics Facilitated or Hindered by Interfaces, Chain Connectivity, and Other Factors

Presentations

• The interplay between liquid-liquid phase equilibria, sequence, and Tg in copolymers

  ORAL

  March 20, 2025, 11:30 AM – March 20, 2025, 11:42 AM

  Presenters

  • Makayla Branham

    • University of South Florida

  Authors

  • Makayla Branham

    • University of South Florida

  • Pierre Kawak

    • University of South Florida

  • David S Simmons

    • University of South Florida

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 20, 2025, 11:42 AM – March 20, 2025, 11:54 AM

  View abstract →

• Impact of Bonding and Chain Connectivity on the Local Glass Transition of Polymers

  ORAL

  March 20, 2025, 11:54 AM – March 20, 2025, 12:06 PM

  Presenters

  • Connie B Roth

    • Emory University

  Authors

  • Connie B Roth

    • Emory University

  • James H Merrill

    • Emory University

  • Michael F Thees

    • Emory University

  View abstract →

• The relaxation dynamics and role of dynamic facilitation in polymer glasses

  ORAL · Invited

  March 20, 2025, 12:06 PM – March 20, 2025, 12:42 PM

  Publication: [1] Baker, D.L., Reynolds, M., Masurel, R., Olmsted, P.D., Mattsson, J., PRX 12, 021047 (2022).
  [2] Brierley-Croft, S., Olmsted, P.D., Hine, P.J., Mandle, R.J., Chaplin, A., Grasmeder, J., Mattsson, J. arXiv: 2411.06461.
  [3] Reynolds, M., Baker, D.L., Olmsted, P.D., Mattsson, J., arXiv: 2405.02733.
  

  Presenters

  • Johan Mattsson

    • Leeds University
    • University of Leeds

  Authors

  • Johan Mattsson

    • Leeds University
    • University of Leeds

  View abstract →

• Impact of Adding an Impedance Matching Copolymer Layer on the Long-Ranged Coupling of Shear Modulus Across a Glassy-Rubbery Polymer Interface

  ORAL

  March 20, 2025, 12:42 PM – March 20, 2025, 12:54 PM

  Presenters

  • Alexander A Couturier

    • Emory University

  Authors

  • Alexander A Couturier

    • Emory University

  • Alex C Vargas

    • Emory University

  • Connie B Roth

    • Emory University

  View abstract →

• Oral: Substrate influence on the surface glass transition temperature of polymers

  ORAL

  March 20, 2025, 12:54 PM – March 20, 2025, 1:06 PM

  Presenters

  • Zongyi MA

    • HKUST

  Authors

  • Zongyi MA

    • HKUST

  • Haoran Nie

    • The Hongkong University of Science and Technology

  • Ophelia K. C. Tsui

    • The Hong Kong University of Science and Technology (HKUST)

  View abstract →

• Surface Roughness of a Polymer Film Above and Below the Glass Transition Temperature

  ORAL

  March 20, 2025, 1:06 PM – March 20, 2025, 1:18 PM

  Presenters

  • Mauro Lorenzo Mugnai

    • Georgetown University

  Authors

  • Mauro Lorenzo Mugnai

    • Georgetown University

  • Jonathan Seppala

    • National Institute of Standards and Technology

  • Peter D Olmsted

    • Georgetown University

  View abstract →

• Mixed Equilibrium and Nonequilibrium Effects Influence Surface Mobility in Polymer Glasses

  ORAL

  March 20, 2025, 1:18 PM – March 20, 2025, 1:30 PM

  Publication: "Mixed Equilibrium/Nonequilibrium Effects Govern Surface Mobility in Polymer Glasses", J. Xu, A. Ghanekarade, L. Li, H. Zhu, H. Yuan, J. Yan, D. S. Simmons*, O. K. C. Tsui*, and X. Wang*, PNAS 121 (41) e2406262121 (2024).

  Presenters

  • Ophelia K. C. Tsui

    • The Hong Kong University of Science and Technology (HKUST)

  Authors

  • Ophelia K. C. Tsui

    • The Hong Kong University of Science and Technology (HKUST)

  • Jianquan Xu

    • Zhejiang Sci-Tech University

  • Asieh Ghanekarade

    • University of South Florida

  • Li Li

    • Zhejiang Sci-Tech University

  • Huifeng Zhu

    • Zhejiang Sci-Tech University

  • Hailin Yuan

    • The Hong Kong University of Science and Technology (HKUST)

  • Jinsong Yan

    • The Hong Kong University of Science and Technology (HKUST)

  • David S Simmons

    • University of South Florida

  • Xinping Wang

    • Zhejiang Sci-Tech University

  View abstract →

• Chemical bonding and glassy activated dynamics in equilibrated network liquids

  ORAL

  March 20, 2025, 1:30 PM – March 20, 2025, 1:42 PM

  Presenters

  • Max Colin Hall-Brown

    • Rice University

  Authors

  • Max Colin Hall-Brown

    • Rice University

  View abstract →

• Glass transition confinement dynamics of polyzwitterions in the presence of charged ions

  ORAL

  March 20, 2025, 1:42 PM – March 20, 2025, 1:54 PM

  Presenters

  • John Thomas

    • Tufts University

  Authors

  • John Thomas

    • Tufts University

  • Sophia Dinn

    • Tufts University

  • Ashleigh Herrera

    • Tufts University

  • Ayse Asatekin

    • Tufts University

  • Peggy Cebe

    • Tufts University

  View abstract →

• Perylene Dye as a New Measure of Dynamic Free Volume, Fragility, and Dynamic T_g in Thin Polystyrene Films

  ORAL

  March 20, 2025, 1:54 PM – March 20, 2025, 2:06 PM

  Presenters

  • Sarita Yadav

    • Emory University

  Authors

  • Sarita Yadav

    • Emory University

  • Connie B Roth

    • Emory University

  View abstract →

• Spatial gradient of the dynamics of capped thin polymer films through broadband dielectric spectroscopy

  ORAL

  March 20, 2025, 2:06 PM – March 20, 2025, 2:18 PM

  Publication: S. Cheng, D. Kogut, J. Zheng, S. Patil, F. Yang, and W. Lu, Dynamics of polylactic acid under ultrafine nanoconfinement: The collective interface effect and the spatial gradient J. Chem. Phys. 160, 114904 2024.

  Presenters

  • Juncheng Zheng

    • Michigan State University

  Authors

  • Juncheng Zheng

    • Michigan State University

  • Shiwang Cheng

    • Michigan State University

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 20, 2025, 2:18 PM – March 20, 2025, 2:30 PM

  View abstract →