Synthesis of disk-like calcium carbonate .1. Effect of various organic compounds on the carbonation of the basic calcium carbonate

被引:15
作者
Sugihara, H [1 ]
Ono, KI [1 ]
Adachi, K [1 ]
Setoguchi, Y [1 ]
Ishihara, T [1 ]
Takita, Y [1 ]
机构
[1] OITA UNIV, FAC ENGN, DEPT APPL CHEM, OITA 87011, JAPAN
关键词
precipitated calcium carbonate; basic calcium carbonate; disk-like calcium carbonate; ethylenediamine; diethylenetriamine; vaterite; regulation of morphology;
D O I
10.2109/jcersj.104.832
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The addition of amines such as ethylenediamine, diethylenetriamine and meramine in the course of carbonation of basic calcium carbonate promoted the formation of a disk-like calcium carbonate which is vaterite and 1-1.5 mu m in diameter and 0.1-0.2 mu m in thickness. On the other hand, dicarboxylic acids, carboxylic chelate compounds, and amino acids promoted the formation of cubic or spindle-like calcite. Diethylenetriamine which was adsorbed on the surface of calcium carbonate plays an important role in the formation of disk-like calcium carbonate.
引用
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页码:832 / 836
页数:5
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