Amorphous aluminum hydroxide gels

A. C. Pierre; D. R. Uhlmann

doi:10.1016/0022-3093(86)90141-9

Amorphous aluminum hydroxide gels

A. C. Pierre, D. R. Uhlmann

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

72 Scopus citations

Abstract

The gelation of aluminum hydroxide sols obtained from aluminum-sec-butoxide in acidic media leads, depending on the conditions of preparation, to gels with a structure ranging from crystalline to amorphous to super-amorphous. A model for the structure of "super-amorphous" gels is presented to explain the observations. This model suggests the presence of swollen and folded boehmite planes as essential structural features.

Original language	English (US)
Pages (from-to)	271-276
Number of pages	6
Journal	Journal of Non-Crystalline Solids
Volume	82
Issue number	1-3
DOIs	https://doi.org/10.1016/0022-3093(86)90141-9
State	Published - Jun 1 1986

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/0022-3093(86)90141-9

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title = "Amorphous aluminum hydroxide gels",

abstract = "The gelation of aluminum hydroxide sols obtained from aluminum-sec-butoxide in acidic media leads, depending on the conditions of preparation, to gels with a structure ranging from crystalline to amorphous to super-amorphous. A model for the structure of {"}super-amorphous{"} gels is presented to explain the observations. This model suggests the presence of swollen and folded boehmite planes as essential structural features.",

author = "Pierre, {A. C.} and Uhlmann, {D. R.}",

note = "Funding Information: Financial support for the MIT portion of the present work was provided by the Air Force Office of Scientific Research. This support is gratefully acknowledged, as is the TEM assistance of Mr X. Yang of the East China Institute of Textile Science and Technology.",

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AU - Pierre, A. C.

AU - Uhlmann, D. R.

N1 - Funding Information: Financial support for the MIT portion of the present work was provided by the Air Force Office of Scientific Research. This support is gratefully acknowledged, as is the TEM assistance of Mr X. Yang of the East China Institute of Textile Science and Technology.

PY - 1986/6/1

Y1 - 1986/6/1

N2 - The gelation of aluminum hydroxide sols obtained from aluminum-sec-butoxide in acidic media leads, depending on the conditions of preparation, to gels with a structure ranging from crystalline to amorphous to super-amorphous. A model for the structure of "super-amorphous" gels is presented to explain the observations. This model suggests the presence of swollen and folded boehmite planes as essential structural features.

AB - The gelation of aluminum hydroxide sols obtained from aluminum-sec-butoxide in acidic media leads, depending on the conditions of preparation, to gels with a structure ranging from crystalline to amorphous to super-amorphous. A model for the structure of "super-amorphous" gels is presented to explain the observations. This model suggests the presence of swollen and folded boehmite planes as essential structural features.

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JF - Journal of Non-Crystalline Solids

SN - 0022-3093

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ER -

Amorphous aluminum hydroxide gels

Abstract

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