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Sepiolite Fibers Improve the Mechanical and Shape-Memory Properties of Polyurethane

from SPE Plastics Research Online

Shape-memory polymers are "smart" materials that can change, upon subjection to some kind of external stimulus (e.g., heating), from a deformed state to their original shape. One example – shape-memory polyurethane (SMPU) – has shown great potential for applications in several fields, including medicine, electronics,packaging, and textiles. SMPU consists of alternating hard and soft segments, and this material exhibits combined molecular design flexibility, large deformability, and good processability. The tensile modulus and shape fixity ratio of SMPU, however, still need to be improved. more

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