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强酸性条件下添加乙醇对中孔氧化硅结构的影响

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摘要 研究了强酸性条件下,乙醇添加量对中孔结构的影响.使用XRD,N2物理吸附和TEM对其结构和性能进行了表征.研究结果表明,添加少量的乙醇对中孔氧化硅的结构没有太大影响,但是随乙醇添加量的逐步增加,中孔氧化硅的中孔结构发生从六方结构转变为孔洞结构,进而向无定形转变,并对其原因进行了探讨.
出处 《石油化工》 CAS CSCD 北大核心 2005年第z1期447-449,共3页 Petrochemical Technology
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