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[1]林青,兰祥辉,倪亚茹,等.纳米SiO2对硅酸三钙基骨水泥性能的影响[J].南京工业大学学报(自然科学版),2011,33(04):28-33.[doi:10.3969/j.issn.1671-7627.2011.04.007]
 LIN Qing,LAN Xianghui,NI Yaru,et al.Effects of nano SiO2 on properties of tricalcium silicate based bone cement[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2011,33(04):28-33.[doi:10.3969/j.issn.1671-7627.2011.04.007]
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纳米SiO2对硅酸三钙基骨水泥性能的影响()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
33
期数:
2011年04期
页码:
28-33
栏目:
出版日期:
2011-07-20

文章信息/Info

Title:
Effects of nano SiO2 on properties of tricalcium silicate based bone cement
文章编号:
1671-7627(2011)04-0028-06
作者:
林青兰祥辉倪亚茹陆春华许仲梓
南京工业大学 材料科学与工程学院,江苏南京210009
Author(s):
LIN Qing LAN Xianghui NI Yaru LU Chunhua XU Zhongzi
Collage of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China
关键词:
纳米SiO2硅酸三钙骨水泥
Keywords:
nano SiO2 tricalcium silicate bone cement
分类号:
O613.41;O613.72
DOI:
10.3969/j.issn.1671-7627.2011.04.007
文献标志码:
A
摘要:
研究纳米SiO2对硅酸三钙(Ca3SiO5,简称C3S)基骨水泥性能的影响。结果表明:纳米SiO2的掺入,可以加快C3S的水化进程,但延缓了浆体的凝结。纳米SiO2与Ca(OH)2反应生成较低n(Ca)/n(Si)的CSH凝胶,降低了固化体中Ca(OH)2的含量。纳米SiO2与Ca(OH)2反应生成的CSH凝胶呈网络交织状结构,既可对固化体起到密实填充作用,又可增强固化体的胶凝性能,从而提高固化体的力学性能。固化体中Ca(OH)2的含量随纳米SiO2掺入量增加而降低;当SiO2掺入量达到6%时,固化体中CSH凝胶的平均n(Ca)/n(Si)开始降低。
Abstract:
The effects of nanoSiO2;on the properties of tricalcium silicate (Ca3SiO5, C3S) based cement were investigated. Results indicated that the hydration processes of C3S were accelerated by the addition of nano SiO2. The setting time of pastes increased with the increase of nano SiO2 content. The contents of Ca(OH)2 in the pastes decreased for the reaction of nano SiO2 and Ca(OH)2 with the formation of CSH gel. The increased strengths of paste added with nano SiO2 were attributed to the compact and cementitious effects of the network-like CSH gel. The contents of Ca(OH)2 decreased with the addition of nano SiO2. The mean n(Ca)/n(Si) of CSH gel in paste did not decrease until the addition of nano SiO2 was more than 6%. The optimum osteostimuation of C3S based cement was expected to be achieved by the addition of nano SiO2.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2010-12-16
基金项目:南京市医学科技发展重点资助项目(ZKX07016);江苏省普通高校研究生科研创新计划资助项目(CX09B-127X)
作者简介:林青(1983—),男,江苏南京人,博士,主要研究方向为生物医用材料;许仲梓(联系人),教授,E-mail:zzxu@njut.edu.cn.
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