Light-responsive polyurethane liquid crystal elastomer actuators with photochromic and multiple shape memory effects

Key Points

• The research aims to develop a multifunctional polyurethane liquid crystal elastomer (PULCE) actuator with advanced shape memory effects and photo-responsive characteristics.
• Developed a polyurethane liquid crystal elastomer (PULCE) with incorporated reversible deformation of liquid crystal elastomer (LCE)
• Tested for photo deformation, photochromism, and shape memory effects
• Assessed the actuator's ability to perform complex tasks
• Achieved fast photo deformation in the actuator
• Demonstrated triple shape memory effects
• Enabled on-demand shape remolding for versatile applications