Influence of the ultraviolet irradiation on the properties of TiO2-polystyrene shape memory nanocomposites

Wenxin Wang; Yanju Liu; Jinsong Leng

doi:10.1117/12.2027860

9 August 2013 Influence of the ultraviolet irradiation on the properties of TiO₂-polystyrene shape memory nanocomposites

Wenxin Wang, Yanju Liu, Jinsong Leng

Author Affiliations +

Proceedings Volume 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering; 879315 (2013) https://doi.org/10.1117/12.2027860
Event: Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 2013, Gold Coast, Australia

Abstract

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.

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Wenxin Wang, Yanju Liu, and Jinsong Leng "Influence of the ultraviolet irradiation on the properties of TiO₂-polystyrene shape memory nanocomposites", Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 879315 (9 August 2013); https://doi.org/10.1117/12.2027860

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