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由TEA-Al_2O_3-SiO_2-H_2O和TEA-Al_2O_3-SiO_2-H_2O-HF(TEA表示四乙基铵离子)两种体系用水热法合成出ZSM-5分子筛,得到了大单晶.~(13)CMASNMR和差热分析结果表明,模板剂TEA在两种不同体系所得ZSM-5分子筛孔道中存在的形式不同,在碱性介质中TEA部分发生分解反应.
ZSM-5 zeolite was prepared by hydrothermal synthesis from TEA-Al 2 O 3 -SiO 2 -H 2 O and TEA-Al 2 O 3 -SiO 2 -H 2 O-HF (TEA tetraethylammonium ion) The results of CMASNMR and differential thermal analysis show that TEA forms in the pore of ZSM-5 molecular sieves obtained by two different systems have different forms, and the TEA part decomposes in alkaline medium.