Peeling of polydimethylsiloxane adhesives at low velocities: Cohesive failure

This work presents results obtained in 90‐degree peeling tests at low velocities in the case of Newtonian adhesives, when failure is cohesive. Peeling experiments are described and consider the influence of the thickness, viscosity, and surface tension of the adhesive, as well as the backing rigidit...

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Bibliographic Details
Published in:Journal of polymer science. Part B, Polymer physics Polymer physics, 2005-01, Vol.43 (2), p.145-157
Main Authors: Piau, J.-M., Ravilly, G., Verdier, C.
Format: Article
Language:English
Subjects:
adhesion
Application fields
Applied sciences
Engineering Sciences
Exact sciences and technology
interfaces
Materials
Polymer industry, paints, wood
Technology of polymers
thin films
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Summary:This work presents results obtained in 90‐degree peeling tests at low velocities in the case of Newtonian adhesives, when failure is cohesive. Peeling experiments are described and consider the influence of the thickness, viscosity, and surface tension of the adhesive, as well as the backing rigidity. A simple model, based on lubrication effects in thin films, is considered and compared with the measurements, when peeling is a two‐dimensional phenomenon. Furthermore, a criterion for predicting the transition between the two‐dimensional regime and the three‐dimensional regime at higher velocities is proposed. © 2004 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 145–157, 2005
ISSN:0887-6266
1099-0488
DOI:10.1002/polb.20318