| 在极浓体系中合成中孔(MESOPOROUS)Si-MCM-41分子筛及其性质 |
| SYNTHESIS AND PROPERTIES OF MESOPOROUS MOLECULAR SIEVE MCM-41 FORM EXTREMELY DENSE SYSTEM |
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| 摘要: 由无定形凝胶体系Na2O-SiO2-CTAB(十六烷基三甲基溴化铵)-H2O，在控制H2O/Si≤5.0的极浓条件下，研究了Si-MCM-41分子筛的合成条件。在H2O/Si=1.0-5.0, CTAB/Si=0.0125-0.125; Na/Si=0.05-0.15时，均可合成Si-MCM-41分子筛。该体系特点是CTAB消耗明显降低。XRD、SEM、TG-DTA和N2吸附性质表征了合成的MCM-41分子筛，证明本法合成产物具有典型的MCM-41分子筛特性。 |
| 关键词: MCM-41分子筛 极浓体系 合成 性质 |
| 基金项目: |
| Abstract: In extremely dense system controlling H2O/Si≤5 from amorphous gel Na2O-SiO2-CTAB (cetyltrimethylammonium bromite)-H2O, the synthesis conditions of mesoporous molecular sieve Si-MCM-41 have been studied. Molecular sieve Si-MCM-41 have been prepared in H2O/Si=1.0-5.0, CTAB/Si=0.0125-0.125, Na/Si=0.05-0.15. The characteristic of the method is clearly decreasing consumption amount of CTAB. As-synthesized samples have been characterized by XRD, SEM, TG-DTA and N2 adsorption isothermals. These demonstrated that products possess typical properties of molecular sieve MCM-41. |
| Keywords: molecular sieve MCM-41 synthesis extremely dense system property |
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| 董晋湘,刘光焕,高瑞娟,徐红.在极浓体系中合成中孔(MESOPOROUS)Si-MCM-41分子筛及其性质[J].无机化学学报,1997,13(4):406-410. |
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