At the so - called glass transition temperature, the relaxation time is on the order of a few minutes. (scientificamerican.com)
«Going glassy: Revealing structure and dynamics of glassy polymers during transition: Simulation of glass transition in a polymer film and offers fundamental insights about the influence of molecular structure on the transition temperature.» (sciencedaily.com)
Lyulin and his colleagues looked at the polymer glass transition in bulk samples, but were especially interested in thin films of polystyrene. (sciencedaily.com)