Phase-Selective Synthesis of a Silicoaluminophosphate Molecular Sieve with 3-Aminopropyltriethoxysilane as the Silica Source

Ya Dong Bai; Hai Rong Zhang; Pei Wan Bai; Hong Yan Liu; Shen Hua Han; Wen Shan Zhang; Bo Wang; Kai Yuan; Dian Hua Song; Yao Ya Luo

doi:10.4028/www.scientific.net/AMR.1061-1062.109

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1061-1062Phase-Selective Synthesis of a...

Phase-Selective Synthesis of a Silicoaluminophosphate Molecular Sieve with 3-Aminopropyltriethoxysilane as the Silica Source

Abstract:

Silicoaluminophosphate (SAPO) molecular sieves with CHA and AFI structures have been synthesized under hydrothermal conditions from similar reaction mixtures using 3-Aminopropyl-triethoxysilane as silicon source. The XRD analysis indicated that the phase selectivity could follow the sequence of SAPO-34→SAPO-34+ SAPO-5→SAPO-5 →amorphous phase with increasing the amount of the silicon source. The phase selectivity can be explained by the increasing alkalinity of the medium with the 3-Aminopropyltriethoxysilane concentration.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

Pages:

109-111

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.109

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Online since:

December 2014

Authors:

Ya Dong Bai, Hai Rong Zhang, Pei Wan Bai, Hong Yan Liu, Shen Hua Han, Wen Shan Zhang, Bo Wang, Kai Yuan, Dian Hua Song, Yao Ya Luo

Keywords:

3-Aminopropyltriethoxysilane, Phase Selective Synthesis, SAPO-34, SAPO-5

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