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2000•Chemistry LettersRequires access

Synthesis of Microporous Silica in the Presence of Dodecyldimethylbenzylammonium Chloride Surfactant

Zhong‐Yong Yuan, Wuzong Zhou, Lian‐Mao Peng

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Abstract

Abstract Microporous silicas with pore sizes in the range intermediate between traditional microporous and mesoporous materials have been synthesized by using dodecyldimethylbenzylammonium chloride as a template. These microporous silicas can be synthesized by either acidic S+X−I+ or basic S+I− assembly pathways and consist of disordered channels with almost identical pore sizes of 12.2 Å in both cases. Their BET surface areas are larger than 1000 m2/g after being calcined in air.

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Abstract Microporous silicas with pore sizes in the range intermediate between traditional microporous and mesoporous materials have been synthesized by using dodecyldimethylbenzylammonium chloride as a template. These microporous silicas can be synthesized by either acidic S+X−I+ or basic S+I− assembly pathways and consist of disordered channels with almost identical pore sizes of 12.2 Å in both cases. Their BET surface areas are larger than 1000 m2/g after being calcined in air.

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Available abstract

Abstract Microporous silicas with pore sizes in the range intermediate between traditional microporous and mesoporous materials have been synthesized by using dodecyldimethylbenzylammonium chloride as a template. These microporous silicas can be synthesized by either acidic S+X−I+ or basic S+I− assembly pathways and consist of disordered channels with almost identical pore sizes of 12.2 Å in both cases. Their BET surface areas are larger than 1000 m2/g after being calcined in air.

Key concepts: Chemistry, Microporous material, Pulmonary surfactant, Chloride, Organic chemistry, Chemical engineering, Polymer chemistry, Biochemistry

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