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http://dx.doi.org/10.1021/la9043396

has been cited by the following article:

• TITLE: Preparation of Hollow Calcium Silicate Microparticles by Simple Emulsion

  AUTHORS: Eiichi Toorisaka, Syotaro Nagamatsu, Yasunobu Saruwatari, Makoto Hirata, Tadashi Hano

  KEYWORDS: Hollow Inorganic Microparticle, Water-in-Oil Emulsion, Solvent Extraction, Interfacial Reaction

  JOURNAL NAME: Journal of Encapsulation and Adsorption Sciences, Vol.4 No.4, November 12, 2014

  ABSTRACT: Hollow calcium silicate microparticles were prepared by mixing a water-in-oil (W/O) emulsion containing silicate ions in aqueous phase with an oil phase containing a calcium/di-2-ethylhexyl phosphoric acid (D2EHPA) complex. The inorganic precipitation reaction at the oil-water interface was accelerated by using a simple W/O emulsion. Hollow microparticles were obtained when the mole ratio of D2EHPA and calcium in the oil phase was nearly 2:1. The shell formation of the par-ticles depended on the acceleration of the precipitation reaction, which could be accomplished by controlling the concentrations of the calcium and silicate ions.