ExpertShape - Memory Shape Polymer

ExpertShape, memory shape polymer. Functional principle of shape memory polymers The principle is based on the change of shape of a material due to temperature. To do this, the polymer is “programmed” in a first step. It is molded into an “initial” shape, then mechanically deformed under heat (T > Tg) until the desired secondary shape is obtained. Then, while maintaining the force on the material, it is cooled, storing mechanical stresses. In the next step, the material is returned to its original shape on demand by heating. In this way, it changes from a glassy to a rubbery state, releasing the stresses stored during deformation.