A facile and versatile one-shot synthetic method for preparing bilayer gels was developed through photoinduced radical polymerization using a phase-separated binary solvent system. The use of an amphiphilic crosslinker soluble in both phases was particularly important for forming a sufficiently adhesive interface. This synthetic method provides a wide variety of bilayer structures due to its broad applicability in various solvents and monomers. The resulting bilayer gels exhibited unique functions, such as selective swelling behavior, mechanical properties, and anisotropic deformation derived from the properties of each polymer layer.
- Shohei Ida
- Ryuto Soma
- Shokyoku Kanaoka
