文化大學機構典藏 CCUR:Item 987654321/2752
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    題名: Crosslinking of cotton cellulose with succinic acid in the presence of titanium dioxide nano-catalyst under UV irradiation
    作者: Chen, Cheng-Chi
    Wang, Chyung-Chyung
    貢獻者: 紡工系
    關鍵詞: catalyst
    nanometer titanium dioxide
    succinic acid
    photo-reduction
    irradiation
    crosslinking reaction
    日期: 2006
    上傳時間: 2009-11-20 11:30:07 (UTC+8)
    摘要: The nanometer titanium dioxide (TiO2), succinic acid (SUA), and the mixture of nano- TiO2 and SUA were dispersed or dissolved in pure water, then irradiated with UV at the wavelength of 254 nm under stirring for different time periods respectively. The pH and conductivity values and UV-vis spectra of those solutions were recorded immediately. The powders obtained from the filtrated and vacuum dried from those solutions were examined with Fourier Transform Infrared Spectroscopy and Wide Angle X-Ray Diffraction meter. It shows that the crystalline structure and IR and UV-vis spectra of SUA adsorbed on nano-TiO2 particles are changed. The photo-reduced succinic acid in the presence of nanometer titanium dioxide under UV irradiation can create aldehyde group on SUA and free radical of SUA to improve the catalytic effects of crosslinking reaction between SUA and cotton cellulose.
    關聯: JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY Volume: 40 Issue: 1 Pages: 31-38
    顯示於類別:[紡織工程學系] 期刊論文

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