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Time–Temperature Superposition of Phase Separating Polymer Blend Films

Department of Physics, North Carolina State University, Raleigh, NC 27695, USA

S Zhu

J Sokolov

M Rafailovich

Department of Materials Science and Engineering, SUNY Stony Brook, Stony Brook, NY 11794, USA

H Ade

Department of Physics, North Carolina State University, Raleigh, NC 27695, USA

We have examined the structure formations in symmetric blend films of polystyrene and poly(methyl methacrylate) during phase separation and coalescence in the melt. We qualitatively verify the principle of time–temperature superposition by observing morphology development in which characteristic structures develop independently of annealing temperature and initial morphology. Domain structures proceed to qualitatively similar morphologies regardless of the initial morphology due to the intrinsic viscosity of the blend films.

High Performance Polymers, Vol. 12, No. 4, 599-602 (2000)
DOI: 10.1088/0954-0083/12/4/315


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