In this paper, spherical object molding of polymer using a liquid mold system is described. A liquid droplet has spherical surfaces at the liquid-liquid interface due to interfacial tension. The curvature of the spherical surface is determined by the degree of interfacial tension applied at each interface. Ultraviolet light was irradiated onto the photopolymer droplet located at the water with surfactant / n-hexan interface, using a superhigh-pressure mercury lamp. Photopolymer droplets solidified and lens-shaped objects were produced. Cross sections of these objects were observed and the shapes were compared with calculated ones. Spheres were formed at a water / salt solution interface. The possibility of forming various spherical surfaces by exploiting liquid-liquid interfaces was revealed.
展开▼
