To date, majority shape adaptations of shape memory polymer (SMP) are thermo responsive. A desire for isothermal,
remotely controlled shape adaptations of SMP has motivated examinations of other stimulus. We successfully construct
novel TiO2-polystyrene shape memory nanocomposites and investigate influence of the ultraviolet irradiation on the
shape memory effect. This material is facilely fabricated by introducing TiO2 into polystyrene SMP. The properties of
TiO2-polystyrene shape memory nanocomposites are characterized by X-ray powder diffraction (XRD), Fourier
transform infrared spectra (FT-IR), dynamic mechanical analysis (DMA), and diffused reflectance spectrum (DRS).
Deriving from photoelectric foundational properties of TiO2, the TiO2-polystyrene shape memory nanocomposites can
absorb light energy and undergo intra-molecular or inter-molecular physical or chemical transformations. Furthermore,
the results of this work provide a useful baseline upon which researchers could explore more interesting behaviors of
photosensitive SMP composite and investigate other more challenging actuation problems.