Shrinkage and swelling of alkoxide silica gels on heating. II

F ions reduce or eliminate swelling by substitution of F- for OH- on the gel surface. Gels with higher low-temp. shrinkage are less vulnerable to swelling than gels with lower low-temp. shrinkage. For part I, see Ceram. Abstr., 1987, 66 [3-4] 66-03160A.

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Bibliographic Details
Published in:Journal of non-crystalline solids 1988, Vol.104 (1), p.107-111
Main Authors: RABINOVICH, E. M, NASSAU, K, MILLER, A. E, GALLAGHER, P. K
Format: Article
Language:English
Subjects:
Aerosols
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Emulsions. Microemulsions. Foams
Exact sciences and technology
General and physical chemistry
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Summary:F ions reduce or eliminate swelling by substitution of F- for OH- on the gel surface. Gels with higher low-temp. shrinkage are less vulnerable to swelling than gels with lower low-temp. shrinkage. For part I, see Ceram. Abstr., 1987, 66 [3-4] 66-03160A.
ISSN:0022-3093
1873-4812