Modification of Colloidal Silica with Sodium Aluminate

Shuang Na Gu; Ying Shi; Liang Yong Wang; Wei Li Liu; Zhi Tang Song

doi:10.4028/www.scientific.net/AMM.468.39

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 468Modification of Colloidal Silica with Sodium...

Modification of Colloidal Silica with Sodium Aluminate

Abstract:

Colloidal silica modified by sodium aluminate was examined. The particle size of Al-modified colloidal silica was slightly increased with increase of the sodium aluminate concentration, but colloidal silica may aggregate or gel under high concentration. Zeta potential was more negative and thermal stability was significantly improved through modification. The Al-modified colloidal silica was highly stable at pH 3-6.

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Periodical:

Applied Mechanics and Materials (Volume 468)

Pages:

39-42

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.468.39

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Online since:

November 2013

Authors:

Shuang Na Gu, Ying Shi, Liang Yong Wang, Wei Li Liu, Zhi Tang Song

Keywords:

Colloidal Silica, Modification, Sodium Aluminate, Stability

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