Vinyl-functionalized SAPO-11 molecular sieve was synthesized by using vinyltriethoxy silane as organic silicon source. The initial reagents were constituted with a mixture of 1.0 Al2O3 : 1.0 P2O5 : 0.75 WD-20 : 2.0 DPA : 30 H2O : 30 C2H5OH. In the H2O/C2H3OH system and weak acid environment, vinyl-functionalized SAPO-11 molecular sieve had been synthesized at 200 ℃ for 72 h. Various techniques, including XRD, TEM, FT-IR, TGA and XRF proved that vinyl groups had been successfully introduced into the frameworks of inorganic SAPO-11 molecular sieve.%以乙烯基三乙氧基硅烷为唯一硅源,探讨各种反应条件对合成乙烯基功能化SAPO-11分子筛的影响.初始反应物摩尔比为Al2O3∶P2O5∶WD-20∶DPA∶H2O∶C2H5OH=1.0∶1.0∶0.75∶2.0∶30∶30,在弱酸性环境的水/醇水解体系下,200℃晶化72 h后可成功地合成出乙烯基功能化SAPO- 11分子筛.产物经XRD、TEM、FT-IR、TGA、XRF等表征分析,乙烯基基团已被成功引入到无机SAPO-11的骨架中.
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