Crystallization of titanium silicalite-1 from gels containing hexanediamine and tetrapropylammonium bromide

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Tuel, A
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O64 [物理化学(理论化学)、化学物理学];
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070304 ; 081704 ;
摘要
Titanium substituted silicalite-1 (TS-1) samples have been synthesized using hexanediamine (C6DN) and tetrapropylammonium bromide (TPABr). Following this method, titanium could be incorporated up to a level of about 2 Ti/unit cell in the framework of silicalite-1. Crystals had a typical habit, very different from those obtained with standard syntheses, which led to exceptionnally high para/ortho ratios in the hydroxylation of phenol with hydrogen peroxide.
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页码:261 / 268
页数:8
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