Poh, B. T. and Lamaming, Junidah
(2013)
Effect of Testing Rate on Adhesion Properties of
Acrylonitrile-Butadiene Rubber/Standard Malaysian Rubber Blend-Based Pressure-Sensitive Adhesive.
Journal of Coatings, 2013 (519416).
pp. 1-6.
ISSN 2356-7236
Abstract
The dependence of loop tack, peel strength, and shear strength of NBR/SMR L blend-based pressure-sensitive adhesives on the rate
of testing was investigated using coumarone-indene resin and toluene as the tackifier and solvent, respectively. A 40% NBR content
in the NBR/SMR L blend was used throughout the experiment.The adhesion properties weremeasured by a Lloyd Adhesion Tester
operating at different rates of testing. The result indicates that loop tack, peels strength, and shear strength increase with the rate of
testing due to the viscoelastic response of the adhesive. At low testing rate, the failure mode is cohesive in nature whereas adhesion
failure mode occurs at higher testing rates. Adhesion properties also increase with the increase in adhesive coating thickness, an
observation which is attributed to the wettability of the adhesive and viscoelastic behavior of the rubber blend.
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