CN107902662A - A kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel - Google Patents
A kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel Download PDFInfo
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- CN107902662A CN107902662A CN201710999981.9A CN201710999981A CN107902662A CN 107902662 A CN107902662 A CN 107902662A CN 201710999981 A CN201710999981 A CN 201710999981A CN 107902662 A CN107902662 A CN 107902662A
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- magnesium silicate
- inorganic gel
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- aluminium magnesium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
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Abstract
The invention discloses a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel, comprise the following steps：Aluminium-magnesium silicate raw material is crushed；Above-mentioned powder and modifying agent, water are mixed by certain mass percent and ore pulp are made；Using the Dynamic Separation method of purification of centrifugal force field, separating-purifying ore pulp, takes suspension；By suspension and the functional mineral of certain mass percent compounding be polynary mineral after, it is high-pressure homogeneous compound；Product after dry above-mentioned homogeneous, is made inorganic gel product.By compounding high pressure homogenizing after functional mineral, closely knit three-dimensional net structure is formed；By vacuum freezing drying dehydration, the physical arrangement and molecular structure of aluminium magnesium silicate inorganic gel are maintained, there is excellent rehydration, considerably reduce aquation jitter time.Its preparation methods steps are simple, easily implement, and the aluminium magnesium silicate inorganic gel of preparation has very strong practicality and wide applicability.
Description
Technical field
The present invention relates to a kind of preparation method of inorganic gel, and in particular to a kind of high dispersibility high viscosity aluminium magnesium silicate inorganic coagulates
The preparation method of glue.
Background technology
Aluminium magnesium silicate inorganic gel is to be modified the monodimension nanometer material formed through special process by natural montmorillonite, dispersible
Yu Shuizhong, forms thixotropy gel；System is generally translucent to transparent, is sheared or the effect of other external force recovers necessarily
Mobility.
Aluminium magnesium silicate inorganic gel is widely used in the fields such as daily use chemicals, medicine, pesticide, industry.
At present, the technology of preparing of natural montmorillonite processing inorganic gel is mainly wet method slurrying, thinner disperses, centrifugation divides
Product is obtained from purification, sodium modification and some other processing.
A large amount of well-regulated laminated structure aggregations are included in the powder form for the inorganic gel that natural montmorillonite processing obtains
Body, in aqueous the cationic charge of laminated structure Inter layer adsorption wafer surface, a large amount of water penetrations can be dragged to by electrostatic attraction
Laminated structure depolymerization is caused to interlayer swelling, is finally mutually lapped to form " card room formula " net structure, makes it have good increasing
Consistence, suspension, thixotropy etc., in the field extensive use such as cosmetics, toothpaste, medicine, pesticide, coating.
But calcium-base bentonite, during aluminium magnesium silicate inorganic gel is processed, it is difficult to be lifted there are viscosity, or after drying again
The phenomenon that aquation viscosity declines, constrains the application of aluminium magnesium silicate inorganic gel；In addition, the hydrophily of aluminium magnesium silicate inorganic gel
By force, the phenomenon that powder is united occurs in aqueous dispersion, causes jitter time in aqueous systems elongated, the life to application producer
Production efficiency and production cost impact；Therefore, it is necessary to develop it is a kind of can in aqueous dispersion rapid dispersion aluminium-magnesium silicate
Inorganic gel materials.
The content of the invention
For solve the deficiencies in the prior art, it is an object of the invention to provide a kind of high dispersibility high viscosity aluminium-magnesium silicate without
The preparation method of machine gel.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel, comprises the following steps：
S1, powder, aluminium-magnesium silicate raw material is crushed；
S2, modification, above-mentioned powder and modifying agent, water are mixed by certain mass percent and ore pulp are made；
S3, purifying, using the Dynamic Separation method of purification of centrifugal force field, separating-purifying ore pulp, takes suspension；
It is S4, compound, it is high-pressure homogeneous multiple after being polynary mineral by suspension and the functional mineral of certain mass percent compounding
Close；
Product after S5, dry above-mentioned homogeneous, is made inorganic gel product.
Raw material in above-mentioned steps S1 is natural montmorillonite, and the raw material granularity after crushing is 2mm-5mm.
The concentration of ore pulp in above-mentioned steps S2 is 7-12wt%, and modifying agent is a kind of or at least two combinations sodium salts, is used
Measure as the 1-5% of aluminium-magnesium silicate quality.
Separation factor in above-mentioned steps S3 is 500-2500, disengaging time 5-20min.
Functional mineral in above-mentioned steps S4 is sepiolite, one or both of attapulgite, Chun Du≤96%；It is multiple
Resultant pressure is 100-200MPa.
Drying in above-mentioned steps S5 is vacuum freeze drying, and drying temperature is -40 DEG C -30 DEG C.In vacuum refrigeration state
Under, by the distillation of hydrone by moisture removal, maintain the physical arrangement and molecular structure of aluminium magnesium silicate inorganic gel.
The invention has the beneficial effects that：
A kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel of the present invention, by compounding functional mineral,
By high pressure homogenizing by polynary mineral sequential combination, acted on using the bridge chain of sepiolite, the fibre structure of attapulgite, to swollen
" card room formula " net structure that aluminium magnesium silicate inorganic gel prepared by profit soil is formed in aqueous dispersion realizes that mutually overlap joint is filled out
Fill, form more closely knit, more stable " card room formula " three-dimensional net structure；Compared with conventional aluminium magnesium silicate inorganic gel, it 5%
Aqueous dispersions viscosity improves 200-300mpa.s after static 24h；
By vacuum freezing drying dehydration, subliming water of removing, maintain aluminium magnesium silicate inorganic gel physical arrangement and
Molecular structure, thus there is excellent rehydration, can be with the state before recovering dry in the short time in aquation；Can be by silicic acid
1% water jitter time of magnalium inorganic gel is reduced to 3min from 5-15min, considerably reduces aquation jitter time.
A kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel of the present invention, its step is simple, Yi Shi
Apply, manufacturing cost is low, and compared to existing aluminium magnesium silicate inorganic gel, significant effect, has very strong practicality and widely fit
The property used.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel of the present invention.
Fig. 2,3,4 form " card room formula net structure " evolution schematic diagram in water for bentonite aluminium magnesium silicate inorganic gel.
Fig. 5 is the ternary structural figure of the aluminium magnesium silicate inorganic gel of the present invention.
The implication marked in attached drawing is as follows：1st, sepiolite, 2, attapulgite.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, the embodiment
It is only used for explaining the present invention, is not intended to limit the scope of the present invention..
Embodiment one：
S1, natural calcium-base bentonite is crushed to granularity is 2mm；
S2, take 50g raw materials to add 2% sodium carbonate by mass percentage, adds water to be configured to 10% ore pulp, is dispersed with stirring 45min；
S3, setting dynamic gravity formula centrifuge, separation factor 2047,6min is centrifuged by ore pulp；
S4, in isolated suspension add 5% attapulgite, set the pressure of high pressure homogenizer as 180MPa, progress
Homogenize compound；
S5, at -40 DEG C freeze-drying to solid content be 97%, finished product.
Embodiment two：
S1, natural calcium-base bentonite is crushed to granularity is 2mm；
S2, take 50g raw materials to add 3% sodium carbonate by mass percentage, adds water to be configured to 12% ore pulp, is dispersed with stirring 45min；
Pulp density is adjusted to 8% by S3 plus water, sets separation factor as 1590, ore pulp is centrifuged 4min；
S4, add 2% sepiolite and 3% attapulgite in isolated suspension, and setting pressure 150MPa homogenizes
It is compound；
S5, by freeze-drying at -40 DEG C of ore pulp to solid content be 98%, that is, obtains product.
Detection indicate that：After 1% water jitter time of aluminium magnesium silicate inorganic gel≤5min, static 24h after present invention processing
5% water dispersion viscosity≤1500mpa.s.
Data comparison：
Contrast gel in form（Aluminium magnesium silicate inorganic gel）Enough bought from market, listed name is product type
Number.
As seen from the above table, aluminium magnesium silicate inorganic gel of the invention, viscosity improves after the static 24h of its 5% aqueous dispersions system
200-300mpa.s；Formation stablizes 1% aqueous dispersion required time and is reduced to 5min from 8-20min.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution, all falls within protection scope of the present invention.
Claims (6)
1. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel, it is characterised in that comprise the following steps：
S1, powder, aluminium-magnesium silicate raw material is crushed；
S2, modification, above-mentioned powder and modifying agent, water are mixed by certain mass percent and ore pulp are made；
S3, purifying, using the Dynamic Separation method of purification of centrifugal force field, separating-purifying ore pulp, takes suspension；
It is S4, compound, it is high-pressure homogeneous multiple after being polynary mineral by suspension and the functional mineral of certain mass percent compounding
Close；
Product after S5, dry above-mentioned homogeneous, is made inorganic gel product.
2. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel according to claim 1, its feature
It is, the raw material in the step S1 is natural montmorillonite, and the raw material granularity after crushing is 2mm-5mm.
3. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel according to claim 1, its feature
It is, the concentration of the ore pulp in the step S2 is 7-12wt%, and modifying agent is a kind of or the sodium salts of at least two combinations, dosage
For the 1-5% of aluminium-magnesium silicate quality.
4. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel according to claim 1, its feature
It is, the separation factor in the step S3 is 500-2500, disengaging time 5-20min.
5. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel according to claim 1, its feature
It is, the functional mineral in the step S4 is sepiolite, one or both of attapulgite, Chun Du≤96%；Compound pressure
Power is 100-200MPa.
6. a kind of preparation method of high dispersibility high viscosity aluminium magnesium silicate inorganic gel according to claim 1, its feature
It is, the drying in the step S5 is vacuum freeze drying, and drying temperature is -40 DEG C -30 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108905969A (en) * | 2018-07-18 | 2018-11-30 | 江西省子轩科技有限公司 | A kind of lithium magnesium silicate gel active carbon composite and preparation method thereof |
| CN109465103A (en) * | 2018-11-09 | 2019-03-15 | 张平 | A kind of aqueous suspension and its preparation method of ore and the formation of modified ore particle |
| CN112007607A (en) * | 2020-05-15 | 2020-12-01 | 苏州国建慧投矿物新材料有限公司 | Bentonite mineral gel for water treatment and its preparation method |
| CN112569877A (en) * | 2020-12-10 | 2021-03-30 | 苏州中材非金属矿工业设计研究院有限公司 | Modified bentonite inorganic gel and preparation method and application thereof |
| WO2022035399A3 (en) * | 2020-08-14 | 2022-03-17 | Esan Eczacibasi Endustriyel Hammaddeler Sanayi Ve Ticaret Anonim Sirketi | Modification method for the halloysite mineral and halloysite modified via modification method |
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| JPS6149246B2 (en) * | 1979-10-16 | 1986-10-28 | Fuji Chem Ind Co Ltd | |
| CN1363515A (en) * | 2002-01-28 | 2002-08-14 | 国家非金属矿深加工工程技术研究中心 | Process for preparing natural magnesium aluminium silicate gel |
| CN103638878A (en) * | 2013-11-29 | 2014-03-19 | 苏州中材非金属矿工业设计研究院有限公司 | Preparation method of electrolyte-resistant-type complex mineral gel |
| CN107555445A (en) * | 2017-10-12 | 2018-01-09 | 苏州中材非金属矿工业设计研究院有限公司 | A kind of aluminium magnesium silicate inorganic gel and preparation method thereof |
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- 2017-10-24 CN CN201710999981.9A patent/CN107902662A/en not_active Withdrawn
Patent Citations (4)
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| JPS6149246B2 (en) * | 1979-10-16 | 1986-10-28 | Fuji Chem Ind Co Ltd | |
| CN1363515A (en) * | 2002-01-28 | 2002-08-14 | 国家非金属矿深加工工程技术研究中心 | Process for preparing natural magnesium aluminium silicate gel |
| CN103638878A (en) * | 2013-11-29 | 2014-03-19 | 苏州中材非金属矿工业设计研究院有限公司 | Preparation method of electrolyte-resistant-type complex mineral gel |
| CN107555445A (en) * | 2017-10-12 | 2018-01-09 | 苏州中材非金属矿工业设计研究院有限公司 | A kind of aluminium magnesium silicate inorganic gel and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108905969A (en) * | 2018-07-18 | 2018-11-30 | 江西省子轩科技有限公司 | A kind of lithium magnesium silicate gel active carbon composite and preparation method thereof |
| CN109465103A (en) * | 2018-11-09 | 2019-03-15 | 张平 | A kind of aqueous suspension and its preparation method of ore and the formation of modified ore particle |
| CN112007607A (en) * | 2020-05-15 | 2020-12-01 | 苏州国建慧投矿物新材料有限公司 | Bentonite mineral gel for water treatment and its preparation method |
| WO2022035399A3 (en) * | 2020-08-14 | 2022-03-17 | Esan Eczacibasi Endustriyel Hammaddeler Sanayi Ve Ticaret Anonim Sirketi | Modification method for the halloysite mineral and halloysite modified via modification method |
| CN112569877A (en) * | 2020-12-10 | 2021-03-30 | 苏州中材非金属矿工业设计研究院有限公司 | Modified bentonite inorganic gel and preparation method and application thereof |
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