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Synthesis and Characterization of Chlorobenzyl Functionalized and Chlorobenzyl-methyl Bi-functionalized MCM-41
Author(s): 
Pages: 641-648
Year: Issue:  7
Journal: ACTA CHIMICA SINICA

Keyword:  介孔分子筛氯苄基有机官能化水热稳定性;
Abstract: 首先比较了氯苄三乙氧基硅烷和氯苄基三氯硅烷硅烷化介孔分子筛MCM-41的差异性,进而采用氯苄基三氯硅烷和甲基三氯硅烷混合试剂硅烷化介孔分子筛,一步得到氯苄基甲基双官能化介孔分子筛MCM-41,并用固体核磁予以证实.发现甲基三氯硅烷一方面可以作为一种"稀释剂"调节氯苄基的负载量,另一方面甲基的引入可增强介孔分子筛的水热稳定性.
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