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CN103011182A - Synthesis method of vesicular mesoporous silicon dioxide - Google Patents

Synthesis method of vesicular mesoporous silicon dioxide Download PDF

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Publication number
CN103011182A
CN103011182A CN201210556813XA CN201210556813A CN103011182A CN 103011182 A CN103011182 A CN 103011182A CN 201210556813X A CN201210556813X A CN 201210556813XA CN 201210556813 A CN201210556813 A CN 201210556813A CN 103011182 A CN103011182 A CN 103011182A
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mesoporous silicon
sds
ctab
silicon oxide
teos
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CN103011182B (en
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周国伟
徐德兰
武翠翠
孙彬
张华勇
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Yancheng Hanzi Industrial Park Industrial Development Co ltd
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Qilu University of Technology
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Abstract

本发明涉及一种囊泡状介孔二氧化硅的合成方法,按质量比SDS:CTAB:TEOS:H2O=1:(2.2-2.4):(15.5-16.0):100称取CTAB、SDS、TEOS、去离子水;将十二烷基硫酸钠和十六烷基三甲基溴化铵先后溶解在去离子水中形成白色溶液,搅拌2-3h后,在搅拌状态下加入正硅酸乙酯,15-25℃继续搅拌24h,然后转移到聚四氟乙烯高压水热釜中100℃条件下老化24h,将反应物抽滤、水洗、室温干燥,在550℃空气氛围中煅烧6h得到目标产物。本发明合成方法简单,反应温度温和,制得的介孔二氧化硅具有单室囊泡的骨架结构,呈现空心球或颗粒状形貌,孔径分布在200-400nm范围内,可以应用于吸附分离,药物包裹,药物缓释和药物传输等领域。

The invention relates to a method for synthesizing vesicular mesoporous silica. CTAB and SDS are weighed according to the mass ratio SDS:CTAB:TEOS:H 2 O=1:(2.2-2.4):(15.5-16.0):100 , TEOS, deionized water; Dissolve sodium lauryl sulfate and cetyltrimethylammonium bromide in deionized water successively to form a white solution, after stirring for 2-3 hours, add ethyl orthosilicate Esters, continue to stir at 15-25°C for 24h, then transfer to a polytetrafluoroethylene high-pressure hydrothermal kettle for aging at 100°C for 24h, filter the reactant with suction, wash with water, dry at room temperature, and calcinate at 550°C for 6h in an air atmosphere to obtain the target product. The synthesis method of the invention is simple, the reaction temperature is mild, and the prepared mesoporous silica has a skeleton structure of unicellular vesicles, presents a hollow spherical or granular shape, and the pore size distribution is in the range of 200-400nm, which can be applied to adsorption and separation , drug packaging, drug sustained release and drug delivery and other fields.

Description

A kind of synthetic method of vesica shape mesoporous silicon oxide
Technical field
The present invention relates to a kind of synthetic method by anionic-cationic surfactant mixed system synthesizing new vesica shape mesoporous silicon oxide, belong to field of material synthesis technology.
Background technology
Scientists from U.S. Mobil company is used the nanostructure self-assembling technique first, synthetic take quaternary cationics as template had since the MCM-41 mesoporous material of adjustable aperture, the preparation of mesoporous material and just caused people's extensive concern in the application in each field.Utilize the ordered mesoporous material of tensio-active agent composite shuttering preparation, because having higher specific surface area, larger pore volume and the adjustable pore passage structure of homogeneous, physical adsorption or new chemically modified can be carried out in its surface, duct, form new functional materials by fixing some functional moleculars, therefore, it is widely used in the embedding of fixing and absorption, biocatalysis, medicine of enzyme and controlled release, sensor field.
Both at home and abroad the mesoporous material of report is M41S series the earliest, and broad research has SBA, MAU, a MAS series etc. in recent years.Vesica shape mesoporous silicon oxide also has stronger physical strength, higher thermostability and hydrothermal stability, so attracted a large amount of related science men to the research interest of this material except the characteristic with general mesoporous material.Preparation vesica shape mesoporous material can the selective polymer microballoon, water-in-oil emulsion is made template, also can utilize different tensio-active agents to make template.The bibliographical information that for example has is crossed with single tensio-active agent and is prepared vesica shape mesoporous silicon oxide (RanaRK as template, MastaiY, Gedanken A.Adv.Mater., 2002,14 (19): 1414-1418), the report that also has standby vesica shape mesoporous silicon oxide (the Yang B of composite shuttering legal system, Edler K, Guo C, Liu H Z.Microporous Mesoporous Mater., 2010,131 (1-3): 21-27).By various research reports, tensio-active agent with special construction particularly compound system of segmented copolymer and cationic and anionic surfactant is made template, more syntheticly have high specific surface area, than macropore volume with than the thick-layer spacing, than the vesica shape Metaporous silicon dioxide material of heat-flash stability and hydrothermal stability.Special its shown great attention in multi-field widespread use such as bio-imaging, sensor, medicine controlled releasing, optical memory and light collector etc., becomes one of study hotspot.
Patent CN101638238A discloses the preparation method of the controlled silica nano material that contains ordered mesoporous pore canals of a kind of pattern and structure, the method may further comprise the steps: 1). and get 0.1~0.3 gram cetyl trimethylammonium bromide and be dissolved in 80~110 ml distilled waters, stir and form uniform solution; 2). be the sodium hydroxide solution of 5 mol/L with 0.2~0.4 ml concn, join step 1) in the solution that obtains, rapid stirring forms transparent colourless solution; 3). 0~0.2 gram Aerosol OT is joined step 2) in the solution that obtains, being warming up to 75~85 degrees centigrade, rapid stirring forms transparent colourless solution, obtains stable system; 4). 1~2 milliliter of tetraethoxysilane is joined step 3) in the solution that obtains, stirring reaction; 5). with step 4) product that obtains filters, washing, and at 60~80 degrees centigrade air drying; 6). with step 5) product that obtains calcines under 500~600 degrees centigrade condition, obtains the controlled silica nano material that contains ordered mesoporous pore canals of pattern and structure.The vesica that this patent system gets is less, and hole wall is thinner, and needs to prepare under 75~85 degrees celsius.
Patent CN101786639A discloses a kind of mesoporous silica molecular sieve and preparation method thereof.Concrete synthesis step is: be (0.01~0.1) with nonionogenic tenside, silicon source, your ratio of hydromassage 1): (300~500): mix (1~3), with acid pH is transferred to 1.0~3.0, formed collosol intermixture in 1~3 hour 20~80 ℃ of lower stirrings; 2) collosol intermixture that obtains of step 1 adds alkaline buffer solution under stirring at room, and regulator solution pH value to 5~7.5 namely obtain white precipitation of silica; 3) roasting under 500~600 ℃ of high temperature of the precipitated product in the step 2 was namely obtained white mesoporous silicon dioxide after 3~5 hours.This patent provides green biomimetic synthesis method, is to make masterplate synthesizing mesoporous silicon dioxide material with single nonionogenic tenside, needs to add cosurfactant and solubility promoter.
Summary of the invention
The object of the present invention is to provide a kind of synthetic method by anionic-cationic surfactant mixed system synthetic capsular blister mesoporous silicon oxide, the method technique is simple, need not to add cosurfactant and solubility promoter, good reproducibility, cost is low, can obtain the larger vesica of pattern.
The technical scheme that the present invention takes is:
A kind of synthetic method of vesica shape mesoporous silicon oxide comprises that step is as follows:
(1) changes in mass ratio SDS:CTAB:TEOS:H into 2O=1:(2.2-2.4): (15.5-16.0): 100 take by weighing cetyl trimethylammonium bromide CTAB, sodium lauryl sulphate SDS, tetraethoxy TEOS, deionized water;
(2) sodium lauryl sulphate and cetyl trimethylammonium bromide successively are dissolved in form white solution in the deionized water, after stirring 2-3h, add tetraethoxy (concentration is not less than 98%) at whipped state (in 350 – 370rpm scopes), 24h is stirred in 30 ℃ of continuation of 20 –, then transfers to the 24h that wears out under 120 ℃ of conditions of 90 – in the tetrafluoroethylene high pressure water heating kettle;
(3) with reactant suction filtration, washing, drying at room temperature, calcining 5-7h removes organic formwork agent CTAB and SDS in 500-600 ℃ the high temperature air atmosphere, and the white powder solid that obtains is target product.
The vesica shape mesoporous silicon oxide of the present invention's preparation is take tetraethoxy (TEOS) as the organosilicon source, and cationicsurfactants and anion surfactant SDS are composite shuttering, prepare under neutrallty condition by hydrothermal method.The mesoporous silicon oxide pattern that makes is larger vesica, and mean pore size is at 200 – 400nm, and hole wall approximately is to be made of the silicon dioxide layer that approximately 10nm is thick; Surface deposition one deck size is about the small-sized Nano particles of silicon dioxide of 20-40nm.
The synthetic method that the invention has the beneficial effects as follows vesica shape Metaporous silicon dioxide material is simple, and temperature of reaction is gentle, and the mesoporous silicon oxide that makes has the skeleton structure of unilamellar vesicle, presents hollow ball or particulate state pattern, and pore size distribution is in the 200-400nm scope.The character that these are good can be applied to fractionation by adsorption, medicine parcel, the fields such as medicament slow release and drug delivery.
The vesica shape mesoporous silicon oxide of the present invention preparation can be by changing experiment condition simply, stirring velocity for example, and the pH value of the addition sequence of masterplate agent or solution is regulated and control size and the pattern of mesoporous material.The present invention has synthesized wide-aperture thermally-stabilised vesica shape mesoporous silicon oxide with this simple hydrothermal method.
Description of drawings
The transmission electron microscope picture (TEM) of the vesica shape mesoporous silicon oxide of preparation in Fig. 1 embodiment of the invention 1; A is low multiple figure, and B is the high multiple figure of single vesica shape mesoporous silicon oxide.
The field emission scanning electron microscope figure (FESEM) of the vesica shape mesoporous silicon oxide that preparation forms in Fig. 2 embodiment of the invention 1.
The small angle X-ray diffraction figure (SAXRD) of the vesica shape mesoporous silicon oxide that preparation forms in Fig. 3 embodiment of the invention 1.
The vesica shape mesoporous silicon oxide SAXRD figure that preparation forms in Fig. 4 embodiment of the invention 2.
The TEM figure of the New Type of Mesoporous silicon-dioxide that preparation forms in Fig. 5 embodiment of the invention 4.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.
Embodiment 1:
(1) takes by weighing respectively the solid surfactant powder of 0.13-0.14g SDS and 0.306g CTAB.
(2) in the beaker of 100ml, take by weighing the 13.3-13.5g deionized water.
(3) low whipping speed is under the condition of 350-370rpm, successively adds two kinds of tensio-active agents that take by weighing in the step (1) in step (2), continues to stir 2 – 3h, and this moment, mixing solutions was milky white solution.
(4) in small beaker, take by weighing the TEOS solution of 2.1-2.2g, under improving stirring velocity state (450rpm), dropwise join in the oyster white mixing solutions of formation in step (3).Be added dropwise to complete rear reduction stirring velocity and under 25 ℃ of conditions, continue to stir 24h, then transfer to the 24h that under 100 ℃ of conditions, wears out in the tetrafluoroethylene high pressure water heating kettle.
(5) with reactant suction filtration, washing, drying at room temperature, in 550 ℃ of air atmosphere, remove organic formwork agent CTAB and SDS with DRZ-4 type tube type resistance furnace calcining 6h, the white powder solid that obtains is target product.Then use transmission electron microscope observing, such as Figure 1A and B, the vesica shape mesoporous silicon oxide of observing preparation is unilocular sporangium blister skeleton structure, and the aperture is dispersed in the 200-400nm scope, and the vesica wall is to be made of the silicon dioxide layer that approximately 10nm is thick; The surface also deposits one deck size and is about the small-sized Nano particles of silicon dioxide of 20 – 40nm.
Embodiment 2:
With embodiment 1, change tensio-active agent addition sequence in the step (3) into simultaneously adding, other conditions are constant, obtain vesica shape mesoporous silicon oxide, mean pore size 200-400nm, deposition preparing spherical SiO 2 nanoparticle on the vesica shape spherical shell.
Embodiment 3:
With embodiment 1, the stirring velocity in the step (3) is changed in the 430 – 460rpm scopes, other conditions are constant, and the appearance of the vesica shape mesoporous silicon oxide that obtains is similar to Example 1.
Embodiment 4:
With embodiment 1, the deionized water in the step (2) is changed into the phosphate buffer soln of pH=8, other conditions are constant, and the appearance of the mesoporous silicon oxide that obtains and embodiment 1 difference are larger, and the globosity (Fig. 5) of thorn-like projection is arranged for the surface.
Take cationicsurfactants and anion surfactant SDS as composite mould plate agent, TEOS is the organosilicon source in a word, and the vesica of spontaneous formation in the aqueous solution utilizes hydrothermal synthesis method to prepare mesopore silicon dioxide nano material.By characterization methods such as FESEM, TEM, SAXRD, synthetic material has been carried out phenetic analysis, the result shows that the earth silicon material that is synthesized is unilocular sporangium blister mesoporous silicon oxide.

Claims (3)

1. the synthetic method of a vesica shape mesoporous silicon oxide is characterized in that, comprises that step is as follows:
(1) SDS:CTAB:TEOS:H in mass ratio 2O=1:2.2-2.4:15.5-16.0:100 takes by weighing cetyl trimethylammonium bromide CTAB, sodium lauryl sulphate SDS, tetraethoxy TEOS, deionized water;
(2) sodium lauryl sulphate and cetyl trimethylammonium bromide successively are dissolved in form white solution in the deionized water, after stirring 2-3h, add tetraethoxy at whipped state, 24h is stirred in 30 ℃ of continuation of 20 –, then transfers to the 24h that wears out under 120 ℃ of conditions of 90 – in the tetrafluoroethylene high pressure water heating kettle;
(3) with reactant suction filtration, washing, drying at room temperature, calcining 5-7h removes organic formwork agent CTAB and SDS in 500-600 ℃ the high temperature air atmosphere, and the white powder solid that obtains is target product.
2. the synthetic method of a kind of vesica shape mesoporous silicon oxide according to claim 1 is characterized in that, the described stirring velocity of step (2) is in the 350-370rpm scope.
3. the synthetic method of a kind of vesica shape mesoporous silicon oxide according to claim 1, it is characterized in that: the described calcining instrument of step (3) is DRZ-4 type tube type resistance furnace, need to calcine 5-7h in the temperature range of 600 ℃ of 500 –.
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787345A (en) * 2014-01-23 2014-05-14 齐鲁工业大学 Multilayer vesicular mesoporous silicon dioxide with adjustable number of layers and synthetic method thereof
CN103922347A (en) * 2014-03-29 2014-07-16 清华大学 Continuous silica aggregate lipsome material and preparation method thereof
CN104386699A (en) * 2014-11-05 2015-03-04 上海大学 Method for preparing multi-shell mesoporous silicon oxide nanomaterial by dual-template method
CN104876223A (en) * 2015-05-04 2015-09-02 河南师范大学 Preparation method of egg shell type silicon dioxide micro-sphere
CN104891511A (en) * 2015-05-25 2015-09-09 华东师范大学 Method for synthesizing mesoporous silicon dioxide nanoparticles by using alkali-free method
CN105236417A (en) * 2015-11-06 2016-01-13 齐鲁工业大学 Spherical mesoporous silica with controllable particle size and preparation method of spherical mesoporous silica
CN107115773A (en) * 2017-06-23 2017-09-01 深圳华明环保科技有限公司 A kind of Modified Urea denitrfying agent and preparation method thereof
CN108017065A (en) * 2018-01-10 2018-05-11 山东科技大学 A kind of preparation method using the penetrating shape liquid crystal of two dimension as the mesoporous silicon oxide of masterplate
CN108217662A (en) * 2018-01-10 2018-06-29 山东科技大学 The template structure and preparation method of a kind of mesoporous silicon oxide with two-dimentional permeable structures
CN111924851A (en) * 2020-09-28 2020-11-13 上海千溯生物科技有限公司 A kind of silica nanomaterial with umbrella-like dendritic structure and preparation method thereof
CN112156730A (en) * 2020-08-25 2021-01-01 安徽壹石通材料科技股份有限公司 Preparation method of high-purity monodisperse porous silicon oxide spheres
CN113651331A (en) * 2021-07-28 2021-11-16 扬州大学 A kind of flower-like mesoporous silica nanoparticle and its preparation method and application
CN114106394A (en) * 2021-11-23 2022-03-01 清华大学 A kind of benzene ring bridged organosilicon continuous aggregate vesicle material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101264892A (en) * 2008-04-15 2008-09-17 中国科学院山西煤炭化学研究所 A preparation method of double-channel mesoporous silica hollow spheres

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101264892A (en) * 2008-04-15 2008-09-17 中国科学院山西煤炭化学研究所 A preparation method of double-channel mesoporous silica hollow spheres

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CUICUI WU ET AL: "Active biocatalysts based on Candida rugosa lipase immobilized in vesicular silica", 《PROCESS BIOCHEMISTRY》 *
CUICUI WU ET AL: "Immobilization of Porcine pancreatic Lipase on Vesicle-like Silica Material with Large Pore", 《ADVANCED MATERIALS RESEARCH》 *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787345A (en) * 2014-01-23 2014-05-14 齐鲁工业大学 Multilayer vesicular mesoporous silicon dioxide with adjustable number of layers and synthetic method thereof
CN103787345B (en) * 2014-01-23 2015-06-17 齐鲁工业大学 Multilayer vesicular mesoporous silicon dioxide with adjustable number of layers and synthetic method thereof
CN103922347A (en) * 2014-03-29 2014-07-16 清华大学 Continuous silica aggregate lipsome material and preparation method thereof
CN103922347B (en) * 2014-03-29 2015-10-28 清华大学 Continuous aggregate vesicle material of a kind of silicon-dioxide and preparation method thereof
CN104386699A (en) * 2014-11-05 2015-03-04 上海大学 Method for preparing multi-shell mesoporous silicon oxide nanomaterial by dual-template method
CN104386699B (en) * 2014-11-05 2016-02-17 上海大学 Method for preparing multi-shelled mesoporous silica nanomaterials by double-template method
CN104876223A (en) * 2015-05-04 2015-09-02 河南师范大学 Preparation method of egg shell type silicon dioxide micro-sphere
CN104891511A (en) * 2015-05-25 2015-09-09 华东师范大学 Method for synthesizing mesoporous silicon dioxide nanoparticles by using alkali-free method
CN105236417A (en) * 2015-11-06 2016-01-13 齐鲁工业大学 Spherical mesoporous silica with controllable particle size and preparation method of spherical mesoporous silica
CN105236417B (en) * 2015-11-06 2017-03-22 齐鲁工业大学 Spherical mesoporous silica with controllable particle size and preparation method of spherical mesoporous silica
CN107115773A (en) * 2017-06-23 2017-09-01 深圳华明环保科技有限公司 A kind of Modified Urea denitrfying agent and preparation method thereof
CN107115773B (en) * 2017-06-23 2020-06-30 深圳华明环保科技有限公司 Modified urea denitration agent and preparation method thereof
CN108017065A (en) * 2018-01-10 2018-05-11 山东科技大学 A kind of preparation method using the penetrating shape liquid crystal of two dimension as the mesoporous silicon oxide of masterplate
CN108217662A (en) * 2018-01-10 2018-06-29 山东科技大学 The template structure and preparation method of a kind of mesoporous silicon oxide with two-dimentional permeable structures
CN112156730A (en) * 2020-08-25 2021-01-01 安徽壹石通材料科技股份有限公司 Preparation method of high-purity monodisperse porous silicon oxide spheres
CN112156730B (en) * 2020-08-25 2022-05-03 安徽壹石通材料科技股份有限公司 Preparation method of high-purity monodisperse porous silicon oxide spheres
CN111924851A (en) * 2020-09-28 2020-11-13 上海千溯生物科技有限公司 A kind of silica nanomaterial with umbrella-like dendritic structure and preparation method thereof
CN111924851B (en) * 2020-09-28 2020-12-25 上海千溯生物科技有限公司 Silicon dioxide nano material with umbrella-shaped dendritic structure and preparation method thereof
CN113651331A (en) * 2021-07-28 2021-11-16 扬州大学 A kind of flower-like mesoporous silica nanoparticle and its preparation method and application
CN113651331B (en) * 2021-07-28 2023-09-22 扬州大学 Flower-shaped mesoporous silica nanoparticles and preparation method and application thereof
CN114106394A (en) * 2021-11-23 2022-03-01 清华大学 A kind of benzene ring bridged organosilicon continuous aggregate vesicle material and preparation method thereof

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