Viscoelastic Properties of Pressure-Sensitive Adhesives

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Abstract
Recent studies on the correlation of viscoelastic properties of pressure-sensitive adhesive (PSAs) with industry standard performances such as peel, tack and shear are reviewed and discussed. One notewothy feature in these correlations is the separation of the bonding and debonding steps in PSA adhesion, which specifies the characteristic bonding and debonding frequencies of different PSA tests. Viscoelastic windows (VW) for different types of pressure-sensitive adhesives (PSAs) proposed by these workers are also compared and discussed. The observed good correlations reaffirm the importance of bulk viscoelastic properties to PSA adhesion performances.

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