Article(id=1319986917488308995, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210583, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1625760000000, receivedDateStr=2021-07-09, revisedDate=1631030400000, revisedDateStr=2021-09-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639005299, onlineDateStr=2026-10-22, pubDate=1652976000000, pubDateStr=2022-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639005299, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639005299, creator=13701087609, updateTime=1792639005299, updator=13701087609, issue=Issue{id=1319986871980118160, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='5', pageStart='1201', pageEnd='1454', issueExtLink='null', onlineDate='null', pubDate='1652976000000', pubDateStr='2022-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792638994450, creator='13701087609', updateTime=1792639285419, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319988092451275233, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319988092451275234, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1347, endPage=1356, ext={EN=ArticleExt(id=1319986917702218500, articleId=1319986917488308995, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Methyltrimethoxysilane Based Silica Aerogels with Controllable Skeleton Size and Their Adsorption Characteristics for Organic Liquids, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Methyltrimethoxysilane (MTMS) based silica aerogels (MSA) with a controllable skeleton size were synthesized in pure water via adjusting the cetyltrimethylammonium bromide (CTAB) content. The results show that the content of CTAB has little effect on the surface chemical composition of MSA, while the skeleton size and pore size of MSA decrease with increasing the CTAB content. The average skeleton diameter (d) of MSA decreases from 2.39 μm to 0.55 μm, and the adsorption capacity for organic liquids decreases simultaneously when the CTAB content increases from 0.01 g to 0.03 g. When the CTAB content is 0.01 g, the as-prepared MSA has good adsorption properties for alcohols and alkanes, where the maximum adsorption capacity reaches 10 g/g, the adsorption rate of the pumping application is 1.04 g/s, and the capillary rise speed of organic liquids can reach 2.1 mm/s. Furthermore, the high thermal stability (456 ℃) of MSA ensures the realization of thermal desorption. A preparation method of MSA with a controllable skeleton size to obtain aerogels with specific adsorption properties.

, authors=Zhi LI, Liling WU, Siqi HUANG, Kai SHEN, Xi DENG, Qiong LIU, Ming LI, authorsList=Zhi LI, Liling WU, Siqi HUANG, Kai SHEN, Xi DENG, Qiong LIU, Ming LI, authorCompany=null, correspAuthors=null, authorNote=

LI Zhi (1989-), male, Ph.D., Associate Professor. E-mail:

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骨架尺寸对气凝胶的吸附性能具有显著影响。通过改变十六烷基三甲基溴化铵(CTAB)的含量,在纯水中合成了骨架尺寸可控的甲基三甲氧基硅烷(MTMS)基SiO2气凝胶(MSA)。结果表明:CTAB含量的变化对MSA的表面化学组成无显著影响,但MSA的骨架尺寸和孔径均随CTAB含量的增加而减小。当CTAB含量从0.01 g增加到0.03 g时,MSA平均骨架直径从2.39 μm减小到0.55 μm,且MSA对有机液体的吸附量下降。当CTAB含量为0.01 g时,MSA对醇类和烷烃类表现出良好的吸附性能,最大吸附量达10 g/g,泵吸附速率达到1.04 g/s,有机液体毛细上升速率可达2.1 mm/s。此外,MSA的高热稳定性(456 ℃)可确保实现热脱附。合成骨架尺寸可控MSA的方法为获取特异性吸附性能的气凝胶材料提供了新途径。

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李治(1989—),博士,副教授。

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甲基三甲氧基硅烷基SiO2气凝胶骨架尺寸调控及对有机液体的吸附特性
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李治 , 吴丽玲 , 黄思琪 , 申凯 , 邓曦 , 刘琼 , 李明
硅酸盐学报 | 研究论文 2022,50(5): 1347-1356
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硅酸盐学报 |研究论文 2022 , 50 (5) : 1347 -1356
甲基三甲氧基硅烷基SiO2气凝胶骨架尺寸调控及对有机液体的吸附特性
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李治 , 吴丽玲, 黄思琪, 申凯, 邓曦, 刘琼, 李明
作者信息
  • 中南大学资源与安全工程学院,长沙 410083
作者简介:

李治(1989—),博士,副教授。

Methyltrimethoxysilane Based Silica Aerogels with Controllable Skeleton Size and Their Adsorption Characteristics for Organic Liquids
Zhi LI , Liling WU, Siqi HUANG, Kai SHEN, Xi DENG, Qiong LIU, Ming LI
Affiliations
  • School of Resource and Safety Engineering, Central South University, Changsha 410083, China
  • LI Zhi (1989-), male, Ph.D., Associate Professor. E-mail:

出版时间: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210583
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骨架尺寸对气凝胶的吸附性能具有显著影响。通过改变十六烷基三甲基溴化铵(CTAB)的含量,在纯水中合成了骨架尺寸可控的甲基三甲氧基硅烷(MTMS)基SiO2气凝胶(MSA)。结果表明:CTAB含量的变化对MSA的表面化学组成无显著影响,但MSA的骨架尺寸和孔径均随CTAB含量的增加而减小。当CTAB含量从0.01 g增加到0.03 g时,MSA平均骨架直径从2.39 μm减小到0.55 μm,且MSA对有机液体的吸附量下降。当CTAB含量为0.01 g时,MSA对醇类和烷烃类表现出良好的吸附性能,最大吸附量达10 g/g,泵吸附速率达到1.04 g/s,有机液体毛细上升速率可达2.1 mm/s。此外,MSA的高热稳定性(456 ℃)可确保实现热脱附。合成骨架尺寸可控MSA的方法为获取特异性吸附性能的气凝胶材料提供了新途径。

二氧化硅气凝胶  /  甲基三甲氧基硅烷  /  吸附  /  毛细上升

Methyltrimethoxysilane (MTMS) based silica aerogels (MSA) with a controllable skeleton size were synthesized in pure water via adjusting the cetyltrimethylammonium bromide (CTAB) content. The results show that the content of CTAB has little effect on the surface chemical composition of MSA, while the skeleton size and pore size of MSA decrease with increasing the CTAB content. The average skeleton diameter (d) of MSA decreases from 2.39 μm to 0.55 μm, and the adsorption capacity for organic liquids decreases simultaneously when the CTAB content increases from 0.01 g to 0.03 g. When the CTAB content is 0.01 g, the as-prepared MSA has good adsorption properties for alcohols and alkanes, where the maximum adsorption capacity reaches 10 g/g, the adsorption rate of the pumping application is 1.04 g/s, and the capillary rise speed of organic liquids can reach 2.1 mm/s. Furthermore, the high thermal stability (456 ℃) of MSA ensures the realization of thermal desorption. A preparation method of MSA with a controllable skeleton size to obtain aerogels with specific adsorption properties.

silica aerogels  /  methyltrimethoxysilane  /  adsorption  /  capillary rise
李治, 吴丽玲, 黄思琪, 申凯, 邓曦, 刘琼, 李明. 甲基三甲氧基硅烷基SiO2气凝胶骨架尺寸调控及对有机液体的吸附特性. 硅酸盐学报, 2022 , 50 (5) : 1347 -1356 . DOI: 10.14062/j.issn.0454-5648.20210583
Zhi LI, Liling WU, Siqi HUANG, Kai SHEN, Xi DENG, Qiong LIU, Ming LI. Methyltrimethoxysilane Based Silica Aerogels with Controllable Skeleton Size and Their Adsorption Characteristics for Organic Liquids[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1347 -1356 . DOI: 10.14062/j.issn.0454-5648.20210583
  • 国家自然科学基金(51904336)
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doi: 10.14062/j.issn.0454-5648.20210583
  • 接收时间:2021-07-09
  • 首发时间:2026-10-22
  • 出版时间:2022-05-20
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  • 收稿日期:2021-07-09
  • 修回日期:2021-09-08
基金
国家自然科学基金(51904336)
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    中南大学资源与安全工程学院,长沙 410083
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
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