Bone cements in the calcium phosphate-calcium sulfate system

被引：3
|
作者：
Smirnov, V. V. [1 ]
Antonova, O. S. [1 ]
Goldberg, M. A. [1 ]
Smirnov, S. V. [1 ]
Shvorneva, L. I. [1 ]
Egorov, A. A. [1 ]
Baikin, A. S. [1 ]
Barinov, S. M. [1 ]
机构：
[1] Russian Acad Sci, Baikov Inst Met & Mat Sci, Leninskii Pr 49, Moscow 119991, Russia
来源：
DOKLADY CHEMISTRY | 2016年 / 467卷
基金：
俄罗斯基础研究基金会;
关键词：
Gypsum; Calcium Phosphate; Calcium Sulfate; Cement Material; DCPD;
D O I：
10.1134/S0012500816040030
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cement materials in the calcium phosphate-calcium sulfate system were proposed for bone tissue reconstruction. Mixtures of calcium sulfate and amorphous calcium sulfate in the weight ratios 20: 80, 40: 60, 60: 40, and 80: 20 were used as a cement flour, and an acidic solution of orthophosphoric acid was used as a setting liquid. Cement materials based on dicalcium phosphate dihydrate and calcium sulfate were obtained, and the phase composition, setting time, compressive strength, and microstructure of cements were studied. A phenomenon of dispersion strengthening of cements by adding 20 wt % calcium sulfate was detected. The obtained cement stone had a strength to 60 MPa, a setting time of 6-7 min, and uniform microstructure with a crystal size of 1-2 mu m.
引用
收藏
页码：136 / 139
页数：4
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