Negative Energy Elasticity in a Rubberlike Gel
Yuki Yoshikawa, Naoyuki Sakumichi, Ung-il Chung, Takamasa Sakai
Abstract
Contrary to common belief, the softness of polymer gels is determined by negative energy elasticity and not only by entropy elasticity, a key finding for designing gels used in medical applications at various temperatures.
Topics & Concepts
Elasticity (physics)Materials sciencePolymerComposite materialEntropy (arrow of time)Elastic energyMechanicsThermodynamicsCondensed matter physicsLinear elasticityClassical mechanicsTotal energyStatistical physicsPhysicsPotential energyEnergy (signal processing)Elasticity and Material ModelingHydrogels: synthesis, properties, applicationsAdvanced Physical and Chemical Molecular Interactions