Particle growth, aggregation, and gelation of silicas

P. H. Bolt; W. H. Dokter; Theo P. M. Beelen; R. A. Van Santen

doi:10.1117/12.267194

18 February 1997 Particle growth, aggregation, and gelation of silicas

P. H. Bolt, W. H. Dokter, Theo P. M. Beelen, R. A. Van Santen

Proceedings Volume 3095, X-Ray Investigations of Polymer Structures; (1997) https://doi.org/10.1117/12.267194
Event: X-Ray Investigations of Polymer Structures, 1996, Bielsko-Biala, Poland

Abstract

Silica syntheses have performed by acidification of water glass under various reaction conditions and analyzed beams of SAXS method. SAXS spectra recorded during simultaneous dosing of water glass and sulfuric acid have shown clearly that primary SiO₂ particles grow continuously and rapidly during the precipitation. In addition, the primary particles have a rather narrow size distribution, what is surprising result, since the particles are continuously involved in a number of processes: growing, forming interparticle bonds and aging.

Citation Download Citation

P. H. Bolt, W. H. Dokter, Theo P. M. Beelen, and R. A. Van Santen "Particle growth, aggregation, and gelation of silicas", Proc. SPIE 3095, X-Ray Investigations of Polymer Structures, (18 February 1997); https://doi.org/10.1117/12.267194

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