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نویسندگان مقالات پربازدید :
مجله مهندسی شیمی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • new poss/magnesium silicate nano-hybrids obtained by chemical or mechanical methods

    نویسندگان :
    کلمات کلیدی :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 526
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     new organic/inorganic hybrid systems were obtained by chemical or mechanical modification of magnesium silicate surface with selected poss, and then characterized. magnesium silicate was precipitated in a water system. the effect of modification of the magnesium silicate surface on its physicochemical properties was determined. functionalization was carried out with the use of selected poss: octakis(methacryloxypropyl)octakisilsesquioxane and octakis(dimethylsiloxy, 3-glycidoxypropyl)octasilsesquioxane. the organic/inorganic hybrid systems were characterized through determination of their particle size and tendency to form agglomerates using scanning electron microscopy (sem) and transmission electron microscopy (tem), the non-invasive backscattering method (nibs) and a laser diffraction technique. the adsorption properties of the systems were evaluated on the basis of nitrogen adsorption/desorption isotherms, specific surface area, pore volume and size. water wettability profiles were also examined. additionally, thermal stability was measured by thermogravimetric (tga) analysis.

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