Pressure Sensitive Adhesive Tape: A Versatile Material Platform for Optical Sensors (original) (raw)
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Development of Screenable Pressure Sensitive Adhesives
2003
Several approaches were examined for meeting the project objective of developing pressure sensitive adhesive (PSA) products that are engineered for enhanced removal during the processing of recycled fiber, also known as environmentally benign PSAs. These included the 1.) design of environmentally benign PSA films, 2.) development of paper face stock with high screening removal efficiencies that retain attached PSA films and 3.) modification of face stock surface properties to enhance the removal of PSA films. All three approaches yielded promising laboratory results that were confirmed at the pilot scale and appear to be commercially viable. Most of this study focused on hot-melt formulations, which compose a smaller portion of the PSA label market than water-based formulations. However, hot-melt formulations are considerably less complex and allow great flexibility for property modifications. The results of this research have direct application to the study of water-based PSAs, which will be the focus of future work.
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