Preparation and Characterization of Gas-Forming Polyacrylonitrile/Polymethylmethacrylate/Methylcyclohexane Nanocapsules for the Detachment of Optical Adhesive Layers
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We herein report a simple approach to the preparation of gas-forming polyacrylonitrile/polymethylmethacrylate/methylcyclohexane core-shell nanocapsules for the detachment of optical adhesive layers. The proposed gas-forming core-shell nanocapsules are based on a shell structure composed of a polyacrylonitrile/polymethylmethacrylate copolymer, where the core contains vaporizable cyclic hydrocarbons (i.e., methylcyclohexane). These stable functional nanocapsules were spherical in shape, with an average particle size of ~110 nm. Upon mixing the resulting core-shell nanocapsules uniformly with the optical adhesive layers, desorption was observed between layers following heat treatment. Furthermore, the high optical transmittance of the optical adhesive layer was retained due to the small size of the core-shell nanoparticles.