Synthesis of hollow calcium carbonate particles by the bubble templating method

被引：94

作者：

Hadiko, G ^{[1
]}

Han, YS ^{[1
]}

Fuji, M ^{[1
]}

Takahashi, M ^{[1
]}

机构：

[1] Nagoya Inst Technol, Ceram Res Lab, Tajimi 5070071, Japan

来源：

MATERIALS LETTERS | 2005年 / 59卷 / 19-20期

关键词：

hollow calcium carbonate; bubble; vaterite; calcite;

D O I：

10.1016/j.matlet.2005.03.036

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hollow calcium carbonate (CaCO3) is a potential component in many industrial fields such as plastics, rubbers, papennaking, and drug delivery. This paper described a novel approach to synthesize hollow CaCO3 particles by using bubble as template via passing CO2 bubbles into calcium chloride (CaCl2) solution in the presence of ammonia (NH3) at 27 degrees C. The CO2 bubble is not only the reactive material, but also the template of hollow particles. The newly-formed primary particles attach to bubbles and form a solid shell. After filtering and drying the hollow CaCO3 particles were obtained. Physical characteristics of the precipitate were evaluated using scanning electron microscopy (SEM) and X-ray diffraction (XRD). (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：2519 / 2522

页数：4

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