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J Chem Phys. 2017 May 28;146(20):203314. doi: 10.1063/1.4977042.

Interfacial and topological effects on the glass transition in free-standing polystyrene films.

The Journal of chemical physics

Alexey V Lyulin, Nikolay K Balabaev, Arlette R C Baljon, Gerardo Mendoza, Curtis W Frank, Do Y Yoon

Affiliations

  1. Theory of Polymers and Soft Matter Group, Technische Universiteit Eindhoven, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
  2. Institute of Mathematical Problems of Biology, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia.
  3. Department of Physics, San Diego State University, San Diego, California 92128, USA.
  4. Department of Chemical Engineering, Stanford University, Stanford, California 94305, USA.

PMID: 28571360 DOI: 10.1063/1.4977042

Abstract

United-atom molecular-dynamics computer simulations of atactic polystyrene (PS) were performed for the bulk and free-standing films of 2 nm-20 nm thickness, for both linear and cyclic polymers comprised of 80 monomers. Simulated volumetric glass-transition temperatures (T

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