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    政大機構典藏 > 商學院 > 資訊管理學系 > 期刊論文 >  Item 140.119/135149


    请使用永久网址来引用或连结此文件: https://nccur.lib.nccu.edu.tw/handle/140.119/135149


    题名: Evaluating the properties of a coating material with polycaprolactone-degradable fluorinated silicon-containing waterborne polyurethane
    作者: 洪為璽
    Hung, Wei-His
    Hsu, Yao-Tang
    Wang, Wen-Hsin
    贡献者: 資管系
    关键词: polyurethane;fluorinated;silicon-containing;tiles
    日期: 2020-05
    上传时间: 2021-05-26 10:41:53 (UTC+8)
    摘要: This study successfully synthesized fluorinated silicon-containing waterborne polyurethanes (FSWPUs) by using polycaprolactone (PCL) diol, 2,2,3,3-Tetrafluoro-1,4-butanediol, and [3-(2-Aminoethylamino)propyl] trimethoxysilane (AEAPTES ). The FSWPU’s particle size was examined using dynamic light scattering. After the FSWPUs were processed into a dry film, their molecular weight and basic properties were analyzed using gel permeation chromatography (GPC), Fourier-transform infrared spectroscopy (FTIR), and energy-dispersive X-ray spectroscopy (EDS). Additionally, the thermal stability of the FSWPUs was inspected by thermogravimetric analysis and dynamic mechanical analysis. The tensile strength and elongation at the break of the FSWPUs before and after hydrolysis were also analyzed, using a tensile testing machine. Subsequently, FSWPU emulsions were cast between the tiles, and hydrophilicity, hydrophobicity, and surface tension were then measured on a contact-angle measurement instrument. The tensile testing machine was again employed to test the sheer strength of the FSWPUs between the tiles, and a tape test was conducted to analyze their adhesion to the tiles. The results revealed that AEAPTES functional groups can reinforce the thermal stability, tensile strength, and water resistance of FSWPUs. Moreover, the AEAPTES functional groups increased the adhesion of FSWPUs to the tiles and reduced the surface energy of the tiles.
    關聯: Sustainability, Vol.12, No.9, pp.1-15
    数据类型: article
    DOI 連結: https://doi.org/10.3390/su12093745
    DOI: 10.3390/su12093745
    显示于类别:[資訊管理學系] 期刊論文

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