What are the shape memory functional fibers and textile shape memory textiles?

Shape memory fiber and textile, shape memory textiles? Shape memory textiles are a type of material that has a shape memory function introduced into a textile by weaving or finishing. Under the external conditions of temperature, mechanical force, light, pH, etc., it has textiles with excellent properties such as shape memory, high deformation recovery, good earthquake resistance and adaptability.
For example, Italy's Corpo Nove designed a "lazy shirt." Nickel, titanium and nylon fibers are added to the shirt fabric to provide a "shape memory function". When the outside temperature is high, the sleeves of the shirt will automatically roll from the wrist to the elbow in a few seconds; when the temperature is lowered, the sleeve will automatically recover. Shape memory fabrics can be developed into protective clothing and accessories of varying functions. With the deepening of research on shape memory materials and the further improvement of textile processing technology, shape memory functional textiles will be further developed.
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