Microprobing of interfacial behavior of solid polymers by means of normal mechanical contacts

Y. S. Garif, W. W. Gerberich, C. W. Macosko, A. Pocius

Research output: Contribution to journalConference articlepeer-review

Abstract

Adhesion properties of acrylic pressure sensitive adhesives were examined by means of normal (JKR) contact at room temperature. Cylindrically shaped samples were synthesized in capillary tubes in presence of a cross-linking agent in order to obtain an elastic response. The results reveal power law increase of adhesion at higher rates of interfacial separation. Transition from low- to high-power is revealed and explained as a result of bulk shielding of interfacial fracture mechanism. Further results will be available soon. Bulk viscoelastic dissipation and molecular interactions at the interface are thought to jointly govern this behavior.

Original languageEnglish (US)
Pages (from-to)81-86
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume710
StatePublished - 2002
EventPolymer Interfaces and Thin Films - Boston, MA, United States
Duration: Nov 26 2001Nov 30 2001

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