Jeffamine聚醚胺改性合成介孔及超微孔氧化硅微球

引用本文: 刘春艳, 龚彩云, 周冬雪, 王菁, 刘家硕, 刘照斌. Jeffamine聚醚胺改性合成介孔及超微孔氧化硅微球[J]. 无机化学学报, 2015, (5): 954-960. doi: 10.11862/CJIC.2015.139 shu

Citation: LIU Chun-Yan, GONG Cai-Yun, ZHOU Dong-Xue, WANG Jing, LIU Jia-Shuo, LIU Zhao-Bin. Modified Jeffamine Molecular Tools for Ordered Mesoporous and Super-Micorporous Silica Microsphere Particles[J]. Chinese Journal of Inorganic Chemistry, 2015, (5): 954-960. doi: 10.11862/CJIC.2015.139 shu

Jeffamine聚醚胺改性合成介孔及超微孔氧化硅微球

刘春艳 ^{1,2,
,} ,
龚彩云 ^1, ,
周冬雪 ^1, ,
王菁 ^1, ,
刘家硕 ^3, ,
刘照斌 ^1,

1.
1 辽宁师范大学化学化工学院, 大连 116029;
2.
2 大连理工大学精细化工国家重点实验室, 大连 116024;
3.
3 大连理工大学附属高中, 大连 116024

通讯作者: 刘春艳 fanmm2000@126.com

基金项目:
国家自然科学基金(No.21306063) (No.21306063)

江苏省基础研究计划(No.BK20130123)资助项目。 (No.BK20130123)

摘要: 通过对Jeffamine ED2003进行硬脂酸接枝,获得了一种在水溶液中能够进行自组装的新型聚醚酰胺高分子表面活性剂,命名为ED2003-fa-18。以ED2003-fa-18聚醚酰胺高分子表面活性剂为模板,以正硅酸乙酯(TEOS)为无机硅源,在酸性条件下水热合成了介孔及超微孔氧化硅微球。利用粉末X射线衍射(XRD)、N₂物理吸附、红外光谱(IR)、核磁共振波谱(¹H NMR)、扫描电镜(SEM)和透射电镜(TEM)等方法对合成样品进行了表征。研究结果表明,通过改变合成体系中表面活性剂的浓度,可控合成出了有序的介孔及超微孔氧化硅材料。当ED2003-fa-18的浓度为1wt%时,合成的材料为介孔氧化硅,样品的最可几孔径约为2.2nm。当ED2003-fa-18的浓度从3wt%增加到7wt%时,样品的最可几孔径从1.98nm减小到1.94nm,得到的样品为超微孔氧化硅材料。样品的比表面积在500m²·g^-1左右,孔体积在0.3cm³·g^-1左右。由SEM照片可知,所合成的介孔及超微孔氧化硅材料均为由20~30nm的球形纳米颗粒进一步团聚形成的2~4μm的紧密堆积的实心微球。

关键词:

Jeffamine聚醚胺;改性;介孔氧化硅;超微孔氧化硅;微球

English

Modified Jeffamine Molecular Tools for Ordered Mesoporous and Super-Micorporous Silica Microsphere Particles

1.
1 College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China;
2.
2 State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning 116024, China;
3.
3 The High School Attached to Dalian University of Technology, Dalian, Liaoning 116024, China

Corresponding author: 刘春艳 fanmm2000@126.com

Received Date: 29 January 2015
Fund Project:
国家自然科学基金(No.21306063)

江苏省基础研究计划(No.BK20130123)资助项目。

Abstract: Alow toxicity and biodegradable polymetic temlplating route to ordered mesoporous and super-micorporous silica materials is reported. By grafting stearic acid on Jeffamine ED2003 (H₂N-(PO)_l(EO)_m(PO)_n-NH₂, l+n=6, m=39), a polyether amide polymeric surfactant was obtained, which has the ability of self-assembly in aqueous solution, named ED2003-fa-18. Using ED2003-fa-18 as a template, tetraethyl orthosilicate (TEOS) as inorganic silicon source, the ordered mesoporous and super-microporous silica microspheres were hydrothermally synthesized under acidic conditions at mild temperature. The resulting materials were characterized by powder X-ray diffraction (XRD), nitrogen sorption, infrared spectroscopy (IR), 1H NMR, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The influence of the templating concentration on the pore size and morphologies of the resulting materials has been investigated. The results show that the well-ordered mesoporous and super-microporous silica materials have been successfully synthesized. As the templating concentration (from 1wt% to 7wt%) increased, the pore diameter decreased obviously from mesoporous range to supermicroporous range. SEM photographs show that the as-synthesized silica materials were spherical nanoparticles of 20~30 nm, and these nanoparticles further agglomerated and formed a densely packed microspheres of 2~4 μm. In addition, ordered pore structures can be observed by the transmission electron microscopy (TEM).

Key words:

Jeffamine polyetheramine;modification;mesoporous silica;super-microporous silica;microsphere

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沈阳化工大学材料科学与工程学院沈阳 110142

Jeffamine聚醚胺改性合成介孔及超微孔氧化硅微球

通讯作者: 刘春艳 fanmm2000@126.com

English

Modified Jeffamine Molecular Tools for Ordered Mesoporous and Super-Micorporous Silica Microsphere Particles

Corresponding author: 刘春艳 fanmm2000@126.com

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

Jeffamine聚醚胺改性合成介孔及超微孔氧化硅微球

通讯作者: 刘春艳 fanmm2000@126.com

English

Modified Jeffamine Molecular Tools for Ordered Mesoporous and Super-Micorporous Silica Microsphere Particles

Corresponding author: 刘春艳 fanmm2000@126.com

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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