中国科学院苏州纳米技术与纳米仿生研究所机构知识库
Advanced  
SINANO OpenIR  > 先进材料研究部  > 张学同团队  > 期刊论文
题名: Autocatalytic synthesis of molecular-bridged silica aerogels with excellent absorption and super elasticity
作者: Wei, Y; Wang, J(王锦); Zhang, YL(张雨露); Wang, L; Zhang, XT(张学同)
通讯作者: Wang, L
刊名: RSC Advances
发表日期: 2015
DOI: 10.1039/c5ra19776g
卷: 5, 期:111, 页:7
收录类别: SCI
部门归属: 先进材料研究部
英文摘要: In this study, molecular-bridged silica aerogels (MBSAs) were synthesized via supercritical CO2 liquid drying of bridged 3-aminopropyltriethoxysilane (APTES) wet gels, which were autocatalytic gelled by the catalystfree bridging of APTES and 1,4-phthalaldehyde via a Schiff base condensation. The detailed mechanism of this facile, one-pot and autocatalytic approach for the production of MBSAs was revealed by in situ H-1 NMR and FTIR measurements, and the critical conditions for the successful autocatalytic gelation of the bridged-APTES were investigated. The densities and average pore diameters were in the range from 0.0535 to 0.0702 g cm(-3) and from 12.9 to 14.1 nm, respectively. Moreover, the morphologies and thermal stability of the products were characterized by SEM and TGA, respectively. Interestingly, the MBSAs show excellent absorption performance for organic solvents, e.g., hexane, dichloromethane, kerosene, dimethylsulfoxide, tetrahydrofuran, ethanol, ethylsilicate, and N, N-dimethylformamide. Among those, 2437% by mass absorption of dichloromethane was achieved. Moreover, the absorption property of the aerogel was stable, with nearly no deterioration even after 30 absorption-desorption cycles. In addition, the aerogel showed remarkable flexibility, with the highest deformation of 90% and complete recovery after the release of stress, and it can be under through 30 cycles of compression-reversion process with 40% deformation.
语种: 英语
JCR小类分区: 三区
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3453
Appears in Collections:先进材料研究部_张学同团队_期刊论文

Files in This Item:
File Name/ File Size Content Type Version Access License
Autocatalytic synthesis of molecular-bridged silica aerogels with excellent absorption and super elasticity.pdf(1197KB)期刊论文作者接受稿限制开放View 联系获取全文

Recommended Citation:
Wei, Y,Wang, J,Zhang, YL,et al. Autocatalytic synthesis of molecular-bridged silica aerogels with excellent absorption and super elasticity[J]. RSC Advances,2015,5(111):7.
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Wei, Y]'s Articles
[Wang, J(王锦)]'s Articles
[Zhang, YL(张雨露)]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Wei, Y]‘s Articles
[Wang, J(王锦)]‘s Articles
[Zhang, YL(张雨露)]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Autocatalytic synthesis of molecular-bridged silica aerogels with excellent absorption and super elasticity.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!