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improved method for preparation of methoxy-modified kaolinite
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نویسنده
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wang d. ,liu q. ,hou d. ,zhang s. ,guo p. ,cheng h.
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منبع
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journal of the brazilian chemical society - 2018 - دوره : 29 - شماره : 1 - صفحه:33 -37
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چکیده
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A hydrated kaolinite-methanol intercalation compound (kaol-meoh (hydrated)) was synthesized by utilizing kaolinite/dimethyl sulfoxide intercalation compound (kaol-dmso) as an intermediary, and further displacement intercalation with butyl trimethylammonium chloride (btac) was also carried out. the obtained samples were characterized by x-ray diffraction (xrd) and fourier transform infrared spectroscopy (ftir). results showed that the d001 value of the kaol-meoh (hydrated) could be arbitrary values between 0.86 and 1.08 nm, which could be caused by the hydrogen-bonded meoh or water molecules between the interlayer spaces of methoxy-modified kaol. furthermore, this part of interlayer molecules could be removed by heating and have no obvious effect on the subsequent intercalation reaction. in addition, the time required for kaol-meoh (hydrated) preparation was drastically shortened to 3 days, which greatly reduces the time-consuming for the preparation of subsequent compounds.
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کلیدواژه
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hydrated ,intercalation ,kaolinite ,methanol
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آدرس
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china university of mining and technology, school of geoscience and surveying engineering, china, china university of mining and technology, school of geoscience and surveying engineering, china, china university of mining and technology, school of geoscience and surveying engineering, china, china university of mining and technology, school of geoscience and surveying engineering, china, geological exploration institute of henan province, china, china university of mining and technology, school of geoscience and surveying engineering, china
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Authors
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