Synthesis of mesoporous aluminophosphates and their adsorption properties

T. Kimura; Y. Sugahara; K. Kuroda

doi:10.1016/S1387-1811(98)00072-9

Synthesis of mesoporous aluminophosphates and their adsorption properties

T. Kimura, Y. Sugahara, K. Kuroda^*

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Hexagonal mesostructured alkyltrimethylammonium-aluminophosphate materials were prepared by using hexadecyltrimethylammonium and dococyltrimethylammonium chlorides as surfactants and by utilizing 1,3,5-triisopropylbenzene as an auxiliary organic additive. Calcination of these materials at 600°C yielded thermally stable mesoporous aluminophosphate materials with large surface areas above 700 m² g^-1 and with pore diameters in the range from 1.8 to 3.9 nm. The hexagonal mesostructured materials before calcination had less condensed frameworks as determined by ³¹P MAS NMR, which caused certain shrinkages during calcination for the formation of the porous structures. Water and benzene adsorption data indicated that the mesoporous aluminophosphate materials had comparatively hydrophilic mesopores.

Original language	English
Pages (from-to)	115-126
Number of pages	12
Journal	Microporous and Mesoporous Materials
Volume	22
Issue number	1-3
DOIs	https://doi.org/10.1016/S1387-1811(98)00072-9
Publication status	Published - 1998 Jun 17

Keywords

Adsorption property
Aluminophosphate
Hydrophilicity
Mesoporous material
Pore size

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials

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10.1016/S1387-1811(98)00072-9

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title = "Synthesis of mesoporous aluminophosphates and their adsorption properties",

abstract = "Hexagonal mesostructured alkyltrimethylammonium-aluminophosphate materials were prepared by using hexadecyltrimethylammonium and dococyltrimethylammonium chlorides as surfactants and by utilizing 1,3,5-triisopropylbenzene as an auxiliary organic additive. Calcination of these materials at 600°C yielded thermally stable mesoporous aluminophosphate materials with large surface areas above 700 m2 g-1 and with pore diameters in the range from 1.8 to 3.9 nm. The hexagonal mesostructured materials before calcination had less condensed frameworks as determined by 31P MAS NMR, which caused certain shrinkages during calcination for the formation of the porous structures. Water and benzene adsorption data indicated that the mesoporous aluminophosphate materials had comparatively hydrophilic mesopores.",

keywords = "Adsorption property, Aluminophosphate, Hydrophilicity, Mesoporous material, Pore size",

author = "T. Kimura and Y. Sugahara and K. Kuroda",

note = "Funding Information: The authors are grateful to Mr. M. Fuziwara, Materials Characterization Central Laboratory, Waseda University, for his TEM measurements and useful discussion. K.K. acknowledges the financial assistance from Grant-in-Aid for the Special Priority Area by the Ministry of Education, Science, and Culture of the Japanese Government.",

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doi = "10.1016/S1387-1811(98)00072-9",

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AU - Kimura, T.

AU - Sugahara, Y.

AU - Kuroda, K.

N1 - Funding Information: The authors are grateful to Mr. M. Fuziwara, Materials Characterization Central Laboratory, Waseda University, for his TEM measurements and useful discussion. K.K. acknowledges the financial assistance from Grant-in-Aid for the Special Priority Area by the Ministry of Education, Science, and Culture of the Japanese Government.

PY - 1998/6/17

Y1 - 1998/6/17

N2 - Hexagonal mesostructured alkyltrimethylammonium-aluminophosphate materials were prepared by using hexadecyltrimethylammonium and dococyltrimethylammonium chlorides as surfactants and by utilizing 1,3,5-triisopropylbenzene as an auxiliary organic additive. Calcination of these materials at 600°C yielded thermally stable mesoporous aluminophosphate materials with large surface areas above 700 m2 g-1 and with pore diameters in the range from 1.8 to 3.9 nm. The hexagonal mesostructured materials before calcination had less condensed frameworks as determined by 31P MAS NMR, which caused certain shrinkages during calcination for the formation of the porous structures. Water and benzene adsorption data indicated that the mesoporous aluminophosphate materials had comparatively hydrophilic mesopores.

AB - Hexagonal mesostructured alkyltrimethylammonium-aluminophosphate materials were prepared by using hexadecyltrimethylammonium and dococyltrimethylammonium chlorides as surfactants and by utilizing 1,3,5-triisopropylbenzene as an auxiliary organic additive. Calcination of these materials at 600°C yielded thermally stable mesoporous aluminophosphate materials with large surface areas above 700 m2 g-1 and with pore diameters in the range from 1.8 to 3.9 nm. The hexagonal mesostructured materials before calcination had less condensed frameworks as determined by 31P MAS NMR, which caused certain shrinkages during calcination for the formation of the porous structures. Water and benzene adsorption data indicated that the mesoporous aluminophosphate materials had comparatively hydrophilic mesopores.

KW - Adsorption property

KW - Aluminophosphate

KW - Hydrophilicity

KW - Mesoporous material

KW - Pore size

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SN - 1387-1811

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JO - Microporous Materials

JF - Microporous Materials

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Synthesis of mesoporous aluminophosphates and their adsorption properties

Abstract

Keywords

ASJC Scopus subject areas

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