Light-Activated Adhesion and Debonding of Underwater Pressure-Sensitive Adhesives
Source abstract
Abstract
Pressure-sensitive adhesives (PSAs) such as sticky notes and labels are a ubiquitous part of modern society. PSAs with a wide range of peel adhesion strength are designed by tailoring the bulk and surface properties of the adhesive. However, designing an adhesive with strong initial adhesion but showing an on-demand decrease in adhesion has been an enduring challenge in the design of PSAs. To address this challenge, we designed alkoxyphenacyl-based polyurethane (APPU) PSAs that show a photoactivated increase and decrease in peel strength. With increasing time of light exposure, the failure mode of our PSAs shifted from cohesive to adhesive failure, providing residue-free removal with up to 83% decrease in peel strength. The APPU-PSAs also adhere to substrates submerged underwater and show a similar photoinduced decrease in adhesion strength.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Polymer Surface Interaction Studies · Silicone and Siloxane Chemistry · Marine Biology and Environmental Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
Funding
Division of Industrial Innovation and Partnerships
References (72)
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