화학공학소재연구정보센터
Journal of Materials Science, Vol.52, No.13, 7688-7697, 2017
Fabrication of smart wood with reversible thermoresponsive performance
The smart thermoresponsive wood was developed by depositing thermochromic materials on wood surfaces. The as-fabricated wood composites can reversibly change their colors with the changing temperature. The scanning electron microscope showed that the wood surface was made up of even spherical particles. The attenuated total reflectance Fourier transform infrared spectroscopy spectra demonstrated that the thermochromic materials were successfully settled onto wood surfaces, and the cross-cut test results further proved that all samples can meet general application in the furniture industry. As the concentrations of thermochromic materials increased from 0 to 4.0%, the total color changes (Delta E*) of samples remarkably increased from 1.81 to 39.56, exhibiting a good thermoresponsive property. TG results showed that the sample had the excellent thermal stability below the temperature of 216 A degrees C. Furthermore, the accelerated UV-aging tests demonstrated that the thermoresponsive property of the samples was highly efficient when it was exposed under the UV irradiation for 100 h.