光反応性液晶を用いた解体性接着剤

抄録

Adhesive strengthening by light has been widely applied not only in the adhesion and coating fields but also in the medical and dental fields because of its high spatio-temporal resolution, control of various parameters, and low environmental impact. In recent years, easy-dismantlable adhesives are required for reuse and recycling, and research on light-triggered easy-dismantlable adhesives is underway to take advantage of the potential benefits of light. Among light-triggered easy-dismantlable adhesives, materials utilizing the change in physical properties of liquid crystals exhibit unique behavior based on orientation change. These materials incorporate photochromic molecules, and their adhesion changes based on changes in thermophysical properties associated with their photoisomerization and destabilization of the liquid crystal phase. In this paper, we will present recent studies on photo-disassemblable adhesives based on liquid crystals.