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Post-synthesis alumination of Si-MCM-41 by Al(NO{sub}3){sub}3 (II): enhancement of hydrothermal, mechanical and chemical stabilities

机译：Si-MCM-41的后合成份量由Al（No {Sub} 3）{Sub} 3（ii）：加水热，机械和化学稳定性的增强

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The effects of post-synthesis alumination by Al(NO{sub}3){sub}3 on the stability of MCM-41 materials under hydrothermal conditions, high pressures as well as in high pH solution have been studied by XRD, N{sub}2 adsorption and FTIR. The hydrothermal stability of MCM-41 in boiling water or in high temperature steam is significantly enhanced by the external introduction of Al species. Post-synthesis alumination also improves the mechanical stability of MCM-41 under high pressure compression. The chemical stability of MCM-41 in high pH solution is found to be significantly improved by the post-alumination.

机译：通过XRD，N {Sub研究了Al（NO {Sub} 3）{Sub} 3对水热条件下的MCM-41材料的稳定性的影响，对MCM-41材料的稳定性以及高压溶液进行了影响。 2吸附和FTIR。通过AL物种的外部引入显着提高MCM-41的MCM-41的水热稳定性。合成后荧光化还提高了在高压压缩下MCM-41的机械稳定性。发现高pH溶液中MCM-41的化学稳定性被施用后显着改善。

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《Conference on Access in Nanoporous Materials》|2000年||共8页
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S. Kawi; S. C. Shen;
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Post-synthesis alumination of Si-MCM-41 by Al(NO{sub}3){sub}3 (II): enhancement of hydrothermal, mechanical and chemical stabilities

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