New method for evaluating adhesive property of fabrics and TPU: The rigid‐body pendulum rheometer approach

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Abstract

Abstract Coating and laminating processes play an important role in textile industry. They are frequently used to produce fabric laminates during which the physical properties and appearance of textile fabrics are modified and enhanced. Currently, the adhesive property testing of a fabric laminate is done so by the use of pulling test machines such as Universal Tensile Tester, which measures the strength required to peel the tested materials apart. The adhesive test to date has not yet been performed using a newly developed machine, Rigid‐Body Pendulum Rheometer (RPR). This study was to establish a more effective method for fast‐evaluating adhesive properties of fabric laminates by assessing the performance of RPR. Specifically, RPR and Universal Tensile Tester were used to measure, respectively, the viscosity and peeling strength of PET/TPU (thermoplastic polyurethane) and nylon/TPU in response to UV exposure and water immersion. RPR can continuously observe and record viscosity behavior of tested samples in various temperature condition including from low temperature to high temperature, it not only measures viscosity speed, it also detects the differences in crosslinking and measures data generated during the softening process when the balanced time was achieved during the oscillations procedure. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 2855–2863, 2007

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