Photothermally-induced shape memory composite and preparation method thereof

The invention provides photothermally-induced shape memory composite. The composite comprises a temperature-sensitive material and a photothermal conversion material distributed in the temperature-sensitive material, wherein the photothermal conversion material accounts for 0.1%-20% of the mass sum of the temperature-sensitive material and the photothermal conversion material. The photothermally-induced shape memory composite is obtained by curing a mixed dispersion liquid formed by the photothermal conversion material and the temperature-sensitive material. The photothermal conversion material in the phoththermally-induced shape memory composite stimulates the temperature-sensitive material by converting light into heat, so that the shape memory function of the composite is realized. The shape memory effect can be realized by exciting ultraviolet rays in a wider temperature range, and the photothermally-induced shape memory composite does not have high temperature dependency and is high in reliability, good in safety, convenient to operate and control, good in practicability and wide in applicability. The invention further provides a preparation method of the photothermally-induced shape memory composite. The preparation process is diversified, simple and suitable for various substrates.