科研之友
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摘要
A hydrothermal approach has been developed for the synthesis of core-shell structured boehmite ultra-fine powders by using inexpensive Al-2(SO4)(3) aqueous solution and urea as raw materials, amiphiphilic copolymer of Poly (styrene)-block-Poly (2-hydroxyethyl acrylate)(P(St)-b-P(HEA)) as structure-directing agents. The hydrothermal product was characterized by techniques of X-ray diffraction (XRD), transmission electronic microseopy(TEM) and scanning electron microseope(SEM). The possible formation mechanism is discussed based on the experimental facts.
