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, 2:30 PM – March 20, 2025, 2:42 PM

  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

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• Abstract Withdrawn

  ORAL Withdrawn

  March 20, 2025, 2:42 PM – March 20, 2025, 2:54 PM

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

  ORAL

  March 20, 2025, 2:54 PM – March 20, 2025, 3:06 PM

  Presenters

  • Connie B Roth

    Emory University

  Authors

  • Connie B Roth

    Emory University

  • James H Merrill

    Emory University

  • Michael F Thees

    Emory University

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

  ORAL · Invited

  March 20, 2025, 3:06 PM – March 20, 2025, 3:42 PM

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

  Presenters

  • Johan Mattsson

    Leeds University, University of Leeds

  Authors

  • Johan Mattsson

    Leeds University, University of Leeds

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• 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, 3:42 PM – March 20, 2025, 3:54 PM

  Presenters

  • Alexander A Couturier

    Emory University

  Authors

  • Alexander A Couturier

    Emory University

  • Alex C Vargas

    Emory University

  • Connie B Roth

    Emory University

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

  ORAL

  March 20, 2025, 3:54 PM – March 20, 2025, 4:06 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)

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

  ORAL

  March 20, 2025, 4:06 PM – March 20, 2025, 4:18 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

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

  ORAL

  March 20, 2025, 4:18 PM – March 20, 2025, 4:30 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

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• Chemical bonding and glassy activated dynamics in equilibrated network liquids

  ORAL

  March 20, 2025, 4:30 PM – March 20, 2025, 4:42 PM

  Presenters

  • Max Colin Hall-Brown

    Rice University

  Authors

  • Max Colin Hall-Brown

    Rice University

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

  ORAL

  March 20, 2025, 4:42 PM – March 20, 2025, 4:54 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

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

  ORAL

  March 20, 2025, 4:54 PM – March 20, 2025, 5:06 PM

  Presenters

  • Sarita Yadav

    Emory University

  Authors

  • Sarita Yadav

    Emory University

  • Connie B Roth

    Emory University

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

  ORAL

  March 20, 2025, 5:06 PM – March 20, 2025, 5:18 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

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• Abstract Withdrawn

  ORAL Withdrawn

  March 20, 2025, 5:18 PM – March 20, 2025, 5:30 PM

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