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Evaluation of Temperature-Dependent Adhesive Performance via Combinatorial Probe Tack Measurements

Published

Author(s)

A C. SMoon

Abstract

We describe the design and application of a combinatorial probe tack apparatus for investigating the adhesive performance of model pressure sensitive adhesives (PSAs). In particular, we illustrate a methodology for studying the effect of temperature on critical adhesion measures such as adhesion energy and elongation at break of a model PSA comprised of poly(styrene-b-isoprene-b-styrene). To achieve this, a temperature gradient stage was constructed from a transparent sapphire plate with a heating and cooling source positioned at opposite ends. The substrate transparency is critical for simultaneous visualization of the contact area during the test, thus enabling the debonding mechanism to be studied as a function of the measurement temperature. When integrated with a motorized x-y stage, a matrix of probe-type tack tests can be conducted across the temperature gradient.Furthermore, an orthogonal gradient can be applied by introducing another parameter such as film thickness, contact time, velocity, or aging time. This experimental design provides significant reduction of experimental uncertainties associated with fabrication of multiple samples for a given set of experiments, as well as reduces the overall measurement time.
Citation
Review of Scientific Instruments
Volume
76 No 6

Keywords

adhesion, adhesives, combinatorial, design, gradient, pressure sensitive, probe tack, temperature

Citation

SMoon, A. (2005), Evaluation of Temperature-Dependent Adhesive Performance via Combinatorial Probe Tack Measurements, Review of Scientific Instruments, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=852429 (Accessed February 24, 2024)
Created June 1, 2005, Updated February 17, 2017