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用二乙胺结构导向剂,分别在473和573K水热晶化得到两种SAPO-34分子筛材料.SEM和XRD结果表明,晶化温度升高,SAPO-34晶粒增大,结晶度提高,比表面积和孔径增大.升高晶化温度,提高了样品的最高焙烧和水蒸汽热处理承受温度.
晶化温度对SAPO-34结构稳定性的影响
【摘 要】
：
用二乙胺结构导向剂,分别在473和573K水热晶化得到两种SAPO-34分子筛材料.SEM和XRD结果表明,晶化温度升高,SAPO-34晶粒增大,结晶度提高,比表面积和孔径增大.升高晶化温度,提
【机 构】
：
上海第二工业大学城市建设与环境工程学院,同济大学化学系
【出 处】
：
化学学报
【发表日期】
：
2004年期
【基金项目】
：
上海重点学科项目;上海市浦江人才计划;上海教委重点基金;国家自然科学基金
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