Abstract
Dynamic market growth for water-borne Pressure Sensitive Adhesives (PSAs) calls forth new developments over conventional PSA. In order to achieve this, we made a trade-off between the polymerization and carbonization of acrylamide (A) and N,N′-methylenebisacrylamide (BA) without adding any additives to yield a series of carbonized polymer dots (CPDs) by varying their mole ratio. Among the pyrolyzed materials, ABA4:1 outperformed others with its tacky adhesiveness in the probe tack test. The ABA4:1 exhibits noticeable blue fluorescence when irradiated with UV light that could be used for tracking the adhesive application area. Furthermore, ABA4:1 was found to generate a significant amount of reactive oxygen species (ROS) upon irradiation with natural sunlight indicating its ability for self-sterilization. Thus a water-borne pressure-sensitive adhesive (PSA) was created through the partial carbonization of the substrates for better performance including a progressive touch of fluorescence and self-sterilization.
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