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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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全氟磺酸功能化碳纳米管的制备及其催化性能
DOI: 10.1016/S1872-2067(14)60167-4, PP. 1874-1882
Keywords: 碳纳米管,全氟磺酸,酸性,稳定性,对苯二酚,叔丁醇,烷基化反应
Abstract:
？采用全氟磺酸-全氟乙烯共聚物的液相沉积方法制备了全氟磺酸功能化碳纳米管催化剂,利用N2吸附、扫描电子显微镜、透射电子显微镜、傅里叶变换红外光谱以及酸碱滴定等方法对材料的结构和酸性进行了表征,考察了温度和溶剂对催化剂稳定性的影响.结果表明,催化剂在极性和非极性溶液中均十分稳定,并且具有良好的热稳定性,使用温度可达300℃.该催化剂在对苯二酚与叔丁醇的烷基化反应中表现出优异的催化性能,其催化活性与稳定性均高于聚苯乙烯磺酸功能化的碳纳米管催化剂.
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