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首页> 外文期刊>Journal of Encapsulation and Adsorption Sciences >Preparation of Hollow Calcium Silicate Microparticles by Simple Emulsion
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Preparation of Hollow Calcium Silicate Microparticles by Simple Emulsion

机译：简单乳液法制备空心硅酸钙微粒

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摘要

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.
机译：通过将水相中包含硅酸根离子的油包水（W / O）乳液与包含钙/二-2-乙基己基磷酸（D2EHPA）络合物的油相混合，制备空心硅酸钙微粒。通过使用简单的W / O乳液可以加速油水界面的无机沉淀反应。当油相中D2EHPA与钙的摩尔比接近2：1时，获得了中空微粒。颗粒的壳形成取决于沉淀反应的加速，这可以通过控制钙和硅酸根离子的浓度来实现。

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