Preparation of three-component TEOS-based composites for stone
文献类型：期刊论文
| 作者 | Liu R(刘溶) ; Han XN(韩向娜) ; Huang X(黄晓) ; Li WD(李伟东) ; Luo HJ(罗宏杰) |
| 刊名 | J Sol-Gel Sci Technol
 |
| 出版日期 | 2013-08-07 |
| 期号 | 68页码:19 |
| ISSN号 | 0928-0707 |
| 其他题名 | Preparation of three-component TEOS-based composites for stone |
| 通讯作者 | 黄晓 |
| 中文摘要 | Abstract Tetraethoxysilane (TEOS) is the most com- monly used silicon-based stone consolidant in art conser- vation. However, it is known that the resulting silica gel phase tends to develop cracks inside the stone as the gel shrinks during aging and drying. Such phenomenon may lead to severe damage to the protected objects. By intro- ducing silica nanoparticles into TEOS, a so-called particle modi？ed consolidant (PMC), may minimize such shrink- age by reducing the volume loss and forming mesoporous structure to weaken the capillary forces. But many previous results show signi？cant color changes on the surface of PMC-treated stones which can not be tolerated in the conservation treatments of cultural heritage. In this work, we designed a three-component composite consolidant which consists of 15 nm silica particles, a,x-hydroxyl- terminated polydimethylsilane (PDMS-OH) and TEOS. Among the three components, TEOS provides the consol- idation function, silica nanoparticles prevent the cracking and increase the salt resistance and PDMS-OH further reduces cracking, decreases the color alteration and increases the resistance to wetting of the stone. Experi- mental results show that the three components have signi？cant synergistic effect, which makes the material exhibiting best overall performance in terms of cultural heritage protection. |
| 学科主题 | 无机陶瓷材料 |
| 语种 | 中文 |
| 公开日期 | 2014-12-18 |
| 源URL | [http://ir.sic.ac.cn/handle/331005/5190]  |
| 专题 | 上海硅酸盐研究所_高性能陶瓷和超微结构国家重点实验室_期刊论文 |
| 推荐引用方式 GB/T 7714 | Liu R,Han XN,Huang X,et al. Preparation of three-component TEOS-based composites for stone[J]. J Sol-Gel Sci Technol,2013(68):19. |
| APA | 刘溶,韩向娜,黄晓,李伟东,&罗宏杰.(2013).Preparation of three-component TEOS-based composites for stone.J Sol-Gel Sci Technol(68),19. |
| MLA | 刘溶,et al."Preparation of three-component TEOS-based composites for stone".J Sol-Gel Sci Technol .68(2013):19. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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