CN102887526B - Aluminosilicate mesoporous material and synthesis method thereof - Google Patents

Aluminosilicate mesoporous material and synthesis method thereof Download PDF

Info

Publication number
CN102887526B
CN102887526B CN201110204917.XA CN201110204917A CN102887526B CN 102887526 B CN102887526 B CN 102887526B CN 201110204917 A CN201110204917 A CN 201110204917A CN 102887526 B CN102887526 B CN 102887526B
Authority
CN
China
Prior art keywords
mesoporous material
aluminate
silico
preparation
silicon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201110204917.XA
Other languages
Chinese (zh)
Other versions
CN102887526A (en
Inventor
王全义
魏迎旭
刘中民
张莹
李金哲
周游
陈景润
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Institute of Chemical Physics of CAS
Original Assignee
Dalian Institute of Chemical Physics of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian Institute of Chemical Physics of CAS filed Critical Dalian Institute of Chemical Physics of CAS
Priority to CN201110204917.XA priority Critical patent/CN102887526B/en
Publication of CN102887526A publication Critical patent/CN102887526A/en
Application granted granted Critical
Publication of CN102887526B publication Critical patent/CN102887526B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The invention relates to a disk type aluminosilicate mesoporous material with an annular pore structure and a synthesis method of the disk type aluminosilicate mesoporous material. The disk type aluminosilicate mesoporous material has an annular pore structure, wherein the disk diameter of the disk type aluminosilicate mesoporous material is about 60-80nm, the diameter of an annular pore is about 3-5nm, the pore wall thickness is 4-6nm, and the disk type aluminosilicate mesoporous material has a specific surface area being about 500-1200m<2>.g<-1> and a pore volume being 0.70-1.30cm<3>.g<-1>. A dimeric cationic surfactant is used as a structure directing agent, under the condition of the existence of inorganic base, the disk type aluminosilicate mesoporous material with the annular pore structure is obtained through a hydro-thermal synthesis method. The disk type aluminosilicate mesoporous material with the annular pore structure has a wide application prospect in fields such as catalysis, absorption and separation, medicine controlled release, and electronic sensing and can be used as templates for synthesizing other materials.

Description

A kind of silico-aluminate mesoporous material and synthetic method thereof
Technical field
The present invention relates to a kind of inorganic porous material and synthetic method thereof, particularly a kind of silico-aluminate mesoporous material and synthetic method thereof.
Background technology
Mesoporous material is owing to having the features such as larger specific surface area and pore volume, adjustable aperture and pore structure, controllable pattern and modifiable surface properties, thus in catalysis, absorption and separate, medicament slow release, electronic sensor and have potential application prospect as every field such as the templates of synthetic other materials.
In synthesize meso-porous material, under general condition, all to use organic formwork agent as structure directing agent.The structure directing agent that people often adopt mainly comprises cats product, anion surfactant and nonionogenic tenside.Document Nature 359,710-712 (1992) has reported that use cats product has synthesized the irregular SiO 2 mesoporous materials of pattern.Document Science 273,768-771 (1996) has reported that guiding has synthesized the SiO 2 mesoporous materials of hollow sphere by controlling oil-water interface.Document Science 282,1302-1305 (1998) has reported that having used neutral double type synthesis of surfactant has a SiO 2 mesoporous materials of imitated vesicle structure.Recently, document Adv.Funct.Mater., 14,507-512 (2004) has reported that having used asymmetric double subtype synthesis of surfactant has a stratiform SiO 2 mesoporous materials of striped pore passage structure.In addition, document J.Am.Chem.Soc., 132,15144-15147 (2010) has reported that use segmented copolymer and cats product are as double template, has synthesized the spherical material of silicon-dioxide with two mesopore orbits, nucleocapsid structure.But up to now, the synthetic method with the disc-shaped silico-aluminate mesoporous material of annulus structure there is no report in document and patent at home and abroad.
Summary of the invention
The object of the invention is to propose a kind of method of the synthetic disc-shaped silico-aluminate mesoporous material with annulus structure.
The feature of silico-aluminate mesoporous material of the present invention is as follows:
Its chemical constitution is: Si xalO ywherein, X=1-500; Y=2X+1.5;
It is to have annulus structure, is the silico-aluminate mesoporous material that disc-shaped or disc-shaped are assembled.Wherein, the diameter of the annulus of this material is about 3-5nm, and pore wall thickness is 4-6nm, and the diameter of disk is 60-80nm, and specific surface area is 500-1300m 2g -1, pore volume is 0.70-1.30cm 3g -1.
The disc-shaped silico-aluminate mesoporous material with annulus structure of the present invention adopts double type cats product as structure directing agent, under the existence condition of mineral alkali, obtains by the method for Hydrothermal Synthesis.
Specifically comprise following process and step:
1) preparation of initial gel:
He Lv source, silicon source is joined in a certain amount of water according to a certain percentage, after stirring, under 20~60 DEG C of continuous stirring conditions, add mineral alkali regulation system pH value to alkalescence, add again afterwards double type cats product, continue to stir 1~8h, obtain initial gel; The silicon of reaction colloidal sol: aluminium: water: the molar ratio of double type positively charged ion template is 1: 0.002-1: 20-10000: 0.025-0.20.
2) hydrothermal crystallizing:
The reaction colloidal sol that step 1 is made is transferred in Autoclaves for synthesis, in 90~130 DEG C, and hydrothermal crystallizing 1~6 day under autogenous pressure.
3) dry and roasting:
By product good step 2 hydrothermal crystallizing through washing and filtering, and at 100~120 DEG C dry 12~48h, finally in retort furnace, at 500~650 DEG C, calcine 4~12h, remove double type cats product, must there is the disc-shaped silico-aluminate mesoporous material of annulus structure.
The pH value of reacting colloidal sol in step 1 of the present invention is 8-13.
In step 1 of the present invention, react the silicon of colloidal sol: aluminium: water: the preferred molar ratio example of double type positively charged ion template is 1: 0.01-0.1: 100-1000: 0.05-0.10.
Mineral alkali used in the present invention is sodium hydroxide and/or potassium hydroxide.
Silicon used in the present invention source is one or more the mixture in silicon sol, silicon gel, water glass, active silica or positive silicon ester; Aluminium source is one or more the mixture in aluminium salt, aluminate, activated alumina or aluminum alkoxide.
Double type cats product used herein is [C mh 2m+1n (CH 3) 2-(CH 2) s-N (CH 3) 2c mh 2m+1] X 2, be abbreviated as [Cm-s-m] X 2, wherein m=12,14,16,18, s=2,3,4,5, X is Cl -, Br -or OH -.
The disc-shaped silico-aluminate mesoporous material with annulus structure of the present invention can be applicable to catalysis, absorption and separate, medicament slow release, electronic sensor and as fields such as the templates of synthetic other materials.
Brief description of the drawings
Fig. 1 is the typical transmission electron microscope picture that the sample 8 that obtains in 1 in embodiment has the silico-aluminate mesoporous material of annulus structure.
Fig. 2 is the typical scan Electronic Speculum figure that the sample 11 that obtains in 1 in embodiment has the silico-aluminate mesoporous material of annulus structure.
Fig. 3 is the Small angle XRD diffracting spectrum that the sample 1-12 that obtains in 1 in embodiment has the silico-aluminate mesoporous material of annulus structure.
Embodiment
Below by embodiment, the present invention is further elaborated, but the present invention is not limited to these embodiment.
Embodiment 1
According to a certain percentage aluminium source, silicon source are joined in deionized water, under stirring, make it even, add afterwards a certain amount of mineral alkali, regulate the pH value of reaction colloidal sol to pH=8~13, add again afterwards a certain amount of double type cats product, continue to stir 1~8h, obtain initial gel.By make mix after reaction colloidal sol move in stainless steel Autoclaves for synthesis and seal, in 90~130 DEG C, hydrothermal crystallizing 1~6 day under autogenous pressure.By solid product centrifugation good hydrothermal crystallizing, extremely neutral with deionized water wash, air drying 12~48h at 100~120 DEG C, and in finally calcining 4~12h at 500~650 DEG C in retort furnace, remove double type cats product, obtain having the disc-shaped silico-aluminate mesoporous material of annulus structure.The corresponding relation of pH value after proportioning raw materials in sample number into spectrum and initial gel, the sodium hydroxide that is used for adjusting initial pH of latex gel value and/or potassium hydroxide, adjustment, crystallization temperature, crystallization time is as shown in table 1.
Table 1: the corresponding relation of sample number into spectrum and preparation condition
Embodiment 2
Sample prepared in embodiment 1 is carried out to transmission electron microscope sign.Institute's employing instrument is JEOLJEM-2000EX transmission electron microscope, and instrument operating voltage is 120kV.Transmission electron microscope picture shows, all samples all has annulus structure, and the diameter of annulus is 3-5nm, and pore wall thickness is 4-6nm, and the diameter of disk is 60-80nm.Typical case annular pore passage structure transmission electron microscope picture taking sample 8 as representative, as shown in Figure 1.
Embodiment 3
Sample prepared in embodiment 1 is carried out to scanning electron microscope sign.Institute's employing instrument is FEIQuanta 200F scanning electron microscope, and acceleration voltage is 200V-30kV.Scanning Electron Microscope photos reveal, all samples pattern is all the gathering of disc-shaped or disc-shaped.Typical scanning electron microscope (SEM) photograph taking sample 11 as representative, as shown in Figure 2.
Embodiment 4
Sample 1-12 prepared in embodiment 1 is carried out to little angle XRD to be characterized.Institute's employing instrument is Philips X ' Pert PROX type X-ray diffractometer, and instrument operating voltage is 40kv, and working current is 40mA.The little angle XRD result obtaining as shown in Figure 3.Sample 1-12 in 2 θ=2 ° and 4 ° located all to occur intensity diffraction peak not etc., can be attributed to the diffraction peak of annular mesopore orbit; Wherein first diffraction peak of sample 11 appears at the position of 2 θ=2.5, and peak type is wider, the relative irregularity of meso-hole structure of interpret sample 11; Sample 12, in the diffraction peak of 2 θ=1, can be attributed to the layered mesoporous structure that disc-shaped sample stacking forms.
Embodiment 5
Sample 1-12 prepared in embodiment 1 is carried out to nitrogen physisorption to be characterized.Institute's employing instrument is Micromeritics Tristar3000 type nitrogen physisorption instrument.Before carrying out nitrogen physisorption sign, the sample 1-12 obtaining need to carry out pre-treatment.Pretreatment condition is as follows: at normal temperatures sieve sample is vacuumized; When reaching after vacuum condition, process 1h at 130 DEG C; Process 2h at 350 DEG C afterwards.Specific surface is tried to achieve by BET method, and pore volume is calculated by the adsorptive capacity of 0.99 correspondence of relative pressure in nitrogen adsorption isotherm.Specific surface area and the pore volume of the sample obtaining are as shown in table 2.From table 2, data can be found out, this mesoporous material has larger specific surface area and pore volume, can be used as adsorption separating agent and support of the catalyst.
Table 2: the specific surface area of gained sample and pore volume
Sample number into spectrum Specific surface area (m 2/g) Pore volume (cm 3/g)
1 576 0.73
2 724 0.83
3 900 1.10
4 1236 1.25
5 637 0.78
6 786 0.86
7 857 0.92
8 952 1.02
9 1.36 1.10
10 1064 1.17
11 1158 1.23
12 1276 1.28

Claims (8)

1. a preparation method for silico-aluminate mesoporous material, is characterized in that, described silico-aluminate mesoporous material has annular mesopore orbit structure, and pattern is the gathering of disc-shaped or disc-shaped, and its chemical constitution is:
Si xalO ywherein, X=1-1000; Y=2X+1.5,
The synthesis step of described silico-aluminate mesoporous material is as follows:
(1) preparation of initial gel: He Lv source, silicon source is added in a certain amount of water according to a certain percentage, after stirring, under 20~60 DEG C of continuous stirring conditions, add mineral alkali regulation system pH value to alkalescence, add again afterwards double type cats product, continue to stir 1~8h, obtain initial gel, silicon in described initial gel: aluminium: water: the molar ratio of double type positively charged ion template is 1:0.002-1:20-10000:0.025-0.2;
(2) hydrothermal crystallizing: the initial gel that step (1) is made is transferred in Autoclaves for synthesis, under 90~130 DEG C of autogenous pressures, hydrothermal crystallizing 1~6 day, obtains crystallization product;
(3) dry and roasting: by the crystallization product obtaining in step (2) through washing, filter, at 100~120 DEG C after dry 12~48h, roasting 4~12h at 500~650 DEG C, obtains described mesoporous aluminoshilicate material,
Wherein said double type cats product molecular formula is:
[C mH 2m+1N(CH 3) 2-(CH 2) S-N(CH 3) 2C mH 2m+1]·X 2
Wherein, m=12,14,16,18; S=2,3,4,5; X is Cl -, Br -or OH -.
2. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, the diameter of described annular mesopore orbit is 3~5nm, and pore wall thickness is 4-6nm.
3. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, described disk diameter is 60-80nm.
4. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, specific surface area is 500-1300m 2g -1, pore volume is 0.70-1.30cm 3g -1.
5. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, described mineral alkali is sodium hydroxide and/or potassium hydroxide.
6. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, described silicon source is one or more the mixture in silicon sol, silicon gel, water glass, white carbon black, active silica or positive silicon ester; Described aluminium source is one or more the mixture in aluminium salt, aluminate, aluminum oxyhydroxide, activated alumina or aluminum alkoxide.
7. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, the pH value of described initial gel is 8-13.
8. the preparation method of silico-aluminate mesoporous material according to claim 1, is characterized in that, silicon in described initial gel: aluminium: water: the molar ratio of double type positively charged ion template is 1:0.01-0.1:100-1000:0.05-0.10.
CN201110204917.XA 2011-07-20 2011-07-20 Aluminosilicate mesoporous material and synthesis method thereof Expired - Fee Related CN102887526B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110204917.XA CN102887526B (en) 2011-07-20 2011-07-20 Aluminosilicate mesoporous material and synthesis method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110204917.XA CN102887526B (en) 2011-07-20 2011-07-20 Aluminosilicate mesoporous material and synthesis method thereof

Publications (2)

Publication Number Publication Date
CN102887526A CN102887526A (en) 2013-01-23
CN102887526B true CN102887526B (en) 2014-10-08

Family

ID=47531233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110204917.XA Expired - Fee Related CN102887526B (en) 2011-07-20 2011-07-20 Aluminosilicate mesoporous material and synthesis method thereof

Country Status (1)

Country Link
CN (1) CN102887526B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105694846B (en) * 2016-03-28 2019-07-05 华中科技大学 A kind of hydridization supermolecule room temperature phosphorimetry material and preparation method thereof
CN109665542B (en) * 2017-10-17 2022-07-12 中国石油化工股份有限公司 Layered molecular sieve and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101108736A (en) * 2006-07-21 2008-01-23 中国石油天然气集团公司 Method of manufacturing Y type molecular sieve having micropore and mesohole at the same time

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101108736A (en) * 2006-07-21 2008-01-23 中国石油天然气集团公司 Method of manufacturing Y type molecular sieve having micropore and mesohole at the same time

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
Aluminum In corporation into MCM-48 toward the Creation of Bronsted Acidity;Olivier Collart et al.;《Journal of Physics chemistry B》;20040824;第108卷;第13905-13912页 *
Hydrothermally Stable Ordered Hexagonal Mesoporous Aluminosilicates Assembled from a Triblock Copolymer and Preformed Aluminosilicate Precursors in Strongly Acidic Media;Yu Han et al.;《Chemistry of Materials》;20020201;第14卷;第1144-1148页 *
Olivier Collart et al..Aluminum In corporation into MCM-48 toward the Creation of Bronsted Acidity.《Journal of Physics chemistry B》.2004,第108卷第13905-13912页.
Sean M.Solberg et al..synthesis and Reactivity of Al-MMM-2: A New Microporous/Mesoporous Catalyst for the Alkylation of Toluene.《Journal of Inorganic and Organometallic Polymers and Materials》.2007,第17卷(第2期),
synthesis and Reactivity of Al-MMM-2: A New Microporous/Mesoporous Catalyst for the Alkylation of Toluene;Sean M.Solberg et al.;《Journal of Inorganic and Organometallic Polymers and Materials》;20070630;第17卷(第2期);第469-475页 *
Yu Han et al..Hydrothermally Stable Ordered Hexagonal Mesoporous Aluminosilicates Assembled from a Triblock Copolymer and Preformed Aluminosilicate Precursors in Strongly Acidic Media.《Chemistry of Materials》.2002,第14卷

Also Published As

Publication number Publication date
CN102887526A (en) 2013-01-23

Similar Documents

Publication Publication Date Title
Kim et al. Synthesis of highly ordered mesoporous silica materials using sodium silicate and amphiphilic block copolymers
CN104340991A (en) Method for preparing ZSM-5 zeolite molecular sieve, product and purpose thereof
CN107285332B (en) Synthesis method of ZSM-22 molecular sieve and ZSM-22 molecular sieve synthesized by same
CN107285330B (en) A kind of preparation method of NU-88 molecular sieve
CN108502897B (en) Photochemical green synthesis method of Zr-doped SBA-15 mesoporous molecular sieve material
JP3274867B2 (en) Method for preparing mesoporous crystalline material
CN102887526B (en) Aluminosilicate mesoporous material and synthesis method thereof
WO2003037511A1 (en) Method of preparing highly ordered mesoporous molecular sieves
CN112978756A (en) Flaky TS-1 molecular sieve, and preparation method and application thereof
Bao et al. Synthesis of hydrophobic alumina aerogel with surface modification from oil shale ash
CN109867293B (en) Synthesis method of morphology-adjustable NaP type molecular sieve
CN107151022B (en) Mesoporous P-IM-5 molecular sieve, and preparation method and application thereof
CN102674384B (en) Hydrotalcite like compound-kaolin composite material and preparation method thereof
CN109694086B (en) Preparation method of nano ZSM-5 zeolite molecular sieve aggregate
Lyu et al. Selective cyclohexane oxidation over vanadium incorporated silica pillared clay catalysts: The effect of VOx content and dispersion
JP2010155759A (en) Method for synthesizing mesoporous aluminosilicate
JP5766067B2 (en) Method for synthesizing alumina-containing mesoporous material and alumina-containing mesoporous material
CN110357123A (en) A kind of high crystalline multi-stage porous nano X-type molecular sieve and preparation method thereof
CN101417810A (en) Mesoporous material and preparation method thereof
CN101264929B (en) Method for synthesizing mesoporous nano material by adopting solid state reaction structure guiding technology
CN105732693B (en) A kind of bisamide bond distance carbochain organosilan quaternary ammonium compound and its preparation and application
CN109019629A (en) A kind of FER molecular sieve synthetic method that external surface area is controllable
JP2024511701A (en) Porous calcium silicate hydrate, its preparation method, adsorbent and its application
CN113336240A (en) Method for preparing single/double crystal ZSM-5 zeolite based on kaolin mineral regulation and control
CN107297220A (en) A kind of worm meso-porous Al2O3/ molecular sieves compound material and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141008