Synthesis of hydrothermally stable metal incorporated mesoporous molecular sieve of MCM-41 type
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United States of America Patent
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Dec 24, 2002
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Feb 23, 2000
filing date -
Jan 20, 2000
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Abstract
The present invention provides methods for preparing hydrothermally stable MCM-41 mesoporous molecular sieves incorporating aluminum and other transition metals. The materials prepared by these methods possess a very high surface area and narrow uniform pore distribution in the mesopore region, and are highly thermally stable whereby the ions are not leached out after high temperature annealing.
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