SYMPOSIA PAPER Published: 01 January 2005
STP11659S

Interfacial Diffusion of Fluids in Pressure Sensitive Adhesives

Source

Diffusion of acetone at the interface of a bonded pressure sensitive adhesive tape was measured using single frequency capacitance measurements (SFCM) and a novel interdigitated electrode sensor design. The relative concentration of acetone at the bondline as a function of distance from the edge of the specimen and exposure time was correlated to adhesion loss measured by the 90° peel test. This work suggests that these novel sensors are applicable for the study of interfacial diffusion processes. and could be extended to other coatings or adhesives in a variety of environments.

Author Information

O'Brien, EP
National Institute of Standards and Technology, Gaithersburg, MD Center for Adhesive and Sealant Science, Blacksburg, VA
Ward, TC
Center for Adhesive and Sealant Science, Blacksburg, VA , Blacksburg, VA
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Details
Developed by Committee: D14
Pages: 72–79
DOI: 10.1520/STP11659S
ISBN-EB: 978-0-8031-5507-7
ISBN-13: 978-0-8031-3489-8