Evaluation of Adhesive Properties of PSA Tape by Rolling Adhesive Moment Tester

Abstract The rolling adhesive moment of pressure-sensitive adhesives is studied over a wide range of rolling rates, giving the velocity spectrum of the rolling adhesive moment. To determine the significance of these velocity spectrá, their correlation to various pressure-sensitive adhesive properties has been examined. As a result, the following have been made clear: (1) The time-temperature superposition principle is applicable to the correlation coefficient between the rolling adhesive moment and the 180° peel force. In other words, the effect of temperature on the 180° peel force over a wide temperature range from-20°C to 40°C can be predicted from the profile of the velocity spectrum of the rolling adhesive moment (2) The correlation coefficients to mechanical properties of the adhesives prove that the mechanical properties of the acrylic adhesives and those of the rubber adhesives each have different effects on adhesion. Key Words: Test methodsmechanical propertiesrolling ball testtime-temperature superpositionrubber PSA: acryclic PSA