2D Prior Spreading Inspired from Chinese Xuan Papers

Liquid spreading is fundamental to many applications in interfacial materials. However, anisotropic spreading inside superlyophilic fabrics, playing an important role in clothing materials, ink printing, medical masks, and paper manufacturing industry, is rarely studied. Here, a special wetting phenomenon is introduced on Chinese Xuan papers, a kind of handmade papers dating from thousands of years ago in China, mainly for painting and...