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中文摘要：
用T型沸石/聚酰胺酸悬浊液浸渍聚氨酯泡沫,然后在900℃下热处理制备原位担载的T型沸石/泡沫炭复合材料。用SEM,XRD和物理吸附仪等设备对所得样品进行表征。结果表明：所得复合材料为分级结构整体块状材料,泡沫炭基体的大孔平均尺寸约为500μm;泡沫炭孔壁表面均匀镶嵌了大量沸石分子筛。所得复合材料的微孔孔径分布集中于0.45nm左右,比表面积达到328m^2/g。复合材料中沸石分子筛自身的结构特性和化学组成保持不变。
英文摘要：
T-type zeolite/carbon foam composites with a hierarchical structure were prepared by carbonizing polyurethane foam impregnated with a mixture of polyamic acid and T-type zeolite.The carbonization was conducted at 900℃ in flowing nitrogen.The as-prepared composites were examined using SEM,XRD and N2 adsorption techniques.It has been found that the foam-like monolith consists of open cells with an average size of ca.500μm,and T-type zeolites are anchored on the cell walls of the foam with their structure remaining unchanged even after heat treatment at 900℃.The zeolite/CF composites with a BET surface area of 328m^2/g are microporous,and have a narrow pore size distribution centered at 0.45nm.
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