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Journal article

Mechanism of spontaneous hole formation in thin polymeric films

By Yu, Kaijia1,2; Rasmussen, Henrik K.1,2; Román Marín, José Manuel3,4; Hassager, Ole3,4

From

Manufacturing Engineering, Department of Mechanical Engineering, Technical University of Denmark1

Department of Mechanical Engineering, Technical University of Denmark2

The Danish Polymer Centre, Department of Chemical and Biochemical Engineering, Technical University of Denmark3

Department of Chemical and Biochemical Engineering, Technical University of Denmark4

We show computationally that (molten) thin polymeric film containing nonequilibrium configurations originating from a solvent evaporation may develop holes spontaneously in the molten state, and that they appear delayed. Polymers above the glass transition temperature are liquids where the flow depends solely on the nonequilibrium configurations of the molecules.

Language: English
Year: 2012
ISSN: 1550235x , 10980121 and 01631829
Types: Journal article
DOI: 10.1103/PhysRevB.85.024201
ORCIDs: Rasmussen, Henrik K. and Hassager, Ole

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