CN104195589A - Preparation method and application of nano barium sulphate - Google Patents
Preparation method and application of nano barium sulphate Download PDFInfo
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- CN104195589A CN104195589A CN201410413981.2A CN201410413981A CN104195589A CN 104195589 A CN104195589 A CN 104195589A CN 201410413981 A CN201410413981 A CN 201410413981A CN 104195589 A CN104195589 A CN 104195589A
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- barium sulfate
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- sulfate
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 title claims abstract description 180
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 229910001422 barium ion Inorganic materials 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000002244 precipitate Substances 0.000 claims abstract description 13
- 230000005684 electric field Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 5
- -1 sulphate ions Chemical class 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 51
- 238000002156 mixing Methods 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 14
- 229940045511 barium chloride Drugs 0.000 claims description 14
- 229910001626 barium chloride Inorganic materials 0.000 claims description 14
- 238000001291 vacuum drying Methods 0.000 claims description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 7
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims description 7
- 239000007772 electrode material Substances 0.000 claims description 7
- 239000012065 filter cake Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 7
- 235000011152 sodium sulphate Nutrition 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 241000446313 Lamella Species 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims description 2
- 210000005056 cell body Anatomy 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000008204 material by function Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000004581 coalescence Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 230000008719 thickening Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000080 wetting agent Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005118 spray pyrolysis Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to a preparation method and application of nano barium sulphate. The preparation method of the nano barium sulphate concretely comprises that barium ions and sulphate ions in specified concentration are added into electrolyte from an anode and a cathode of an electrolysis cell respectively, move at high speed under the action of an electric field by utilizing charged ions and collide to generate barium sulphate precipitate, wherein reaction is quick and intense, then filtering and drying are carried out, so that flaky nano barium sulphate with fine grain size, uniform grain size distribution and stable performance are obtained, and the flaky nano barium sulphate can effectively reflect infrared rays in the sunlight and transmit visible lights when being applied to transparent reflective thermal insulation coating, so that transmitting and thermal insulating functions are realized. The preparation method of the nano barium sulphate is simple, reliable, high in efficiency and good in effect, product quality is stable, and industrial production can be easily realized.
Description
Technical field
The present invention relates to inorganic non-metallic mineral material field, be specifically related to a kind of preparation method and application of nano barium sulfate.
Background technology
Barium sulfate is one of most important inorganic chemical product now, there is unreactiveness strong, good stability, acid and alkali-resistance, hardness is moderate, high specific gravity, high whiteness, can absorb the advantages such as harm ray, extensive in sector applications such as rubber, plastics, coating, medicine, also for the weighting agent of oil, Sweet natural gas drilling mud.
Flourish along with the exploitation of new functional device and materials industry, barium sulfate is as the important source material of numerous industries, not only its Application Areas expanding day, and its specification of quality is obviously improved.In recent years, many countries actively strengthen the development and application research to the high micro mist of value added and nano powder barium sulfate, release high purity, had and have the nano barium sulfate of specific function product, but most of nano barium sulfate product of domestic production also exists, powder granule granularity is large, pattern is irregular, main content is low, the defect such as poor stability between batch.So exploitation granularity is little, purity is high, steady quality, high-quality nano barium sulfate powder of high grade are the task of top priority.
China Patent Publication No. CN102351233A discloses a kind of production method of nano barium sulfate, the method comprises that catalysis makes the transition, washs and dry three key step, it is simple that the method has production technique, technological process produces without waste water and dregs, advantages of environment protection, but due to the uncontrollability of catalytic conversion process, thereby cause the nano barium sulfate particle diameter making larger, and product performance are unstable.
China Patent Publication No. CN103626219A discloses a kind of nano barium sulfate and preparation method thereof.The method comprises following operation: the preparation section of (1) raw material treatment process (2) Ba-EDTA preparation section (3) mixed solution; (4) spray pyrolysis reaction and finished product operation: barium sulfate performance that this invention prepares is good, purity is high, but because spray pyrolysis reaction may exist reaction not exclusively, unmanageable factor, thereby cause nano barium sulfate to exist particle diameter larger, and the unsettled defect of product performance.
China Patent Publication No. CN103159248A discloses a kind of production method of nanometer barium sulfate grains, under the condition that this invention exists at complexing agent with microreactor, utilizing tensio-active agent to suppress barium sulfate precipitate grows up, obtain particle diameter less, and the nanometer barium sulfate grains that particle diameter can be controlled, but in preparation process, the inhibiting factor that affects complex reaction and tensio-active agent is a lot, can cause the nano barium sulfate product performance that make unstable.
Although above-mentioned patent adopts different preparation methods to prepare nano barium sulfate, and possess advantage, but all exist the particle diameter of nano barium sulfate larger, the defect that product stability is poor, the performance that has reduced nano barium sulfate product, has affected the widespread use of nano barium sulfate.
Summary of the invention
For larger to the particle diameter existing in nano barium sulfate and preparation method thereof at present, the defect that product stability is poor, the present invention proposes a kind of preparation method and application of nano barium sulfate, for achieving the above object, technical scheme of the present invention is that the barium ion of normality and sulfate ion are added electrolytic solution from anode and the negative electrode of electrolyzer respectively, utilize charged ion high-speed motion under the effect of electric field, bump, generate sheet barium sulfate precipitate.The method reaction is fierce fast, thereby eliminate the possibility that barium sulfate particle growth increases, obtain a kind of size distribution even, the flake nano barium sulfate of stable performance, be applied in transparent reflective heat-insulating coating, infrared rays in energy usable reflection sunlight, sees through visible ray, reaches the heat insulation function of printing opacity.This preparation method is simple, and reliable, efficiency is high, effective, and constant product quality is easy to suitability for industrialized production.
The concrete preparation process of a kind of nano barium sulfate of the present invention is as follows:
1) sodium sulfate of the bariumchloride of 45-50 weight part and 45-50 weight part is configured to respectively to the solution that same concentration is 0.5-4.0mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 0.5-1.5mol/L by appropriate concentration and 3-5 weight part adds in electrolyzer, electrode materials with carbon-point as negative electrode and anode, power supply is that voltage is the direct supply of 120-240V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 3-5min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1-2h at 150-200 DEG C of temperature for filter cake, obtains nano barium sulfate.
In the concrete preparation process of above-mentioned a kind of nano barium sulfate, step 2) described in anti-agglomerator be that molecular weight is the polyoxyethylene glycol of 190-420.
In the concrete preparation process of above-mentioned a kind of nano barium sulfate, step 2) described in electrolyzer be aqueous solution electrolytic cell, formed by cell body, anode and negative electrode, adopt the electrolysis material of carbon-point as negative electrode and anode, anode and negative electrode do not use barrier film to separate.
The preparation-obtained nano barium sulfate of concrete preparation method of above-mentioned a kind of nano barium sulfate is flake nano barium sulfate, lamella mean thickness is 2-4nm, average diameter thickness rate is 6: 1, content >=99%, can be used in coating, in transparent reflective heat-insulating coating, filler and functional materials as coating use, the 10%-65% that consumption is total mass in the formula of transparent reflective heat-insulating coating, infrared rays in energy usable reflection sunlight, see through visible ray, reach the heat insulation function of printing opacity, this transparent reflective heat-insulating coating is mainly used in transparent glass window, exterior wall glass, vehicle glasses etc. need on the product of transparent heat-insulated functional requirement.
The present invention adds the barium ion of normality and sulfate ion electrolytic solution from anode and the negative electrode of electrolyzer respectively, utilizes charged ion high-speed motion under the effect of electric field, bumps, and generates nano level sheet barium sulfate precipitate; In reaction process, barium ion in solution under electric field action fast to movable cathode, the quick anode motion of sulfate ion, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate, thereby eliminated the growth of the particle in barium sulfate precipitate generative process, obtain more tiny nanometer barium sulfate grains, and used anti-agglomerator to prevent the reunion of nanometer barium sulfate grains in solution.The flake nano barium sulfate particle diameter that the method prepares is tiny, and size distribution is even, stable performance; Be made into transparent reflective heat-insulating coating, brushing, at transparent glass product surface, forms film, utilizes the visible light permeability of flake nano barium sulfate excellence and to ultrared reflecting properties, thereby plays transparent heat-insulated function; The preparation method of this flake nano barium sulfate is simple, and reliable, efficiency is high, effective, and constant product quality is easy to suitability for industrialized production.
The outstanding feature of the present invention is:
1, nano barium sulfate of the present invention is flake nano barium sulfate, and lamella mean thickness is 2-4nm, and average diameter thickness rate is 6: 1, content >=99%.
2, preparation method of the present invention is simple, and reliable, efficiency is high, effective, and constant product quality is easy to suitability for industrialized production.
3, the nano barium sulfate that prepared by the present invention, for transparent reflective heat-insulating coating, the infrared rays in energy usable reflection sunlight, sees through visible ray, reaches the heat insulation function of printing opacity.
The performance index that record nano barium sulfate of the present invention are as follows:
Table one: flake nano barium sulfate performance index of the present invention
| Title | Lamellar spacing | Average diameter thickness rate | Nano barium sulfate content | Whiteness |
| Nano barium sulfate | 2-4nm | 6∶1 | ≥99% | ≥97 |
Table two: flake nano barium sulfate application of the present invention
| Application product | Consumption | Hemispherical emissivity | Visible light transmissivity | Infrared reflection rate | Coating two sides maximum temperature difference |
| Transparent reflective heat-insulating coating | 10%-65% | ≥8.2 | ≥75% | ≥85% | 4℃ |
Brief description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph of nano barium sulfate of the present invention.
Embodiment
Below by embodiment, the present invention is described in further detail, but this should be interpreted as to scope of the present invention only limits to following example.In the situation that not departing from aforesaid method thought of the present invention, various replacements or the change made according to ordinary skill knowledge and customary means, all should be within the scope of the present invention.
embodiment 1
1) sodium sulfate of the bariumchloride of 45 weight parts and 45 weight parts is configured to respectively to the solution that same concentration is 0.5mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 0.5mol/L by appropriate concentration and 3 weight parts adds in electrolyzer, the electrode materials with carbon-point as negative electrode and anode, and power supply is that voltage is the direct supply of 120V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 3min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1h at 150 DEG C of temperature for filter cake, obtains nano barium sulfate.
With the nano barium sulfate obtaining by quality proportioning: pure-acrylic emulsion: nano barium sulfate: water: thickening material: wetting agent: dispersion agent: film coalescence aid is 46: 35: 15: 1: 1: 1: 1 preparation obtains transparent reflective heat-insulating coating, be sprayed on transparent doors window glass, after dry, form film, there is transparent heat-insulated effect.
embodiment 2
1) sodium sulfate of the bariumchloride of 45 weight parts and 45 weight parts is configured to respectively to the solution that same concentration is 4.0mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 0.5mol/L by appropriate concentration and 5 weight parts adds in electrolyzer, the electrode materials with carbon-point as negative electrode and anode, and power supply is that voltage is the direct supply of 240V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 5min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 2h at 200 DEG C of temperature for filter cake, obtains nano barium sulfate.
With the nano barium sulfate obtaining by quality proportioning: pure-acrylic emulsion: nano barium sulfate: water: thickening material: wetting agent: dispersion agent: film coalescence aid is 56: 25: 15: 1: 1: 1: 1 preparation obtains transparent reflective heat-insulating coating, be sprayed on exterior wall glass, after dry, form film, there is transparent heat-insulated effect.
embodiment 3
1) sodium sulfate of the bariumchloride of 50 weight parts and 50 weight parts is configured to respectively to the solution that same concentration is 2.5mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 1.5mol/L by appropriate concentration and 5 weight parts adds in electrolyzer, the electrode materials with carbon-point as negative electrode and anode, and power supply is that voltage is the direct supply of 220V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 3min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1h at 150 DEG C of temperature for filter cake, obtains nano barium sulfate.
With the nano barium sulfate obtaining by quality proportioning: pure-acrylic emulsion: nano barium sulfate: water: thickening material: wetting agent: dispersion agent: film coalescence aid is 36: 45: 15: 1: 1: 1: 1 preparation obtains transparent reflective heat-insulating coating, be sprayed on vehicle glass, after dry, form film, there is transparent heat-insulated effect.
embodiment 4
1) sodium sulfate of the bariumchloride of 48 weight parts and 48 weight parts is configured to respectively to the solution that same concentration is 3.0mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 1.0mol/L by appropriate concentration and 4 weight parts adds in electrolyzer, the electrode materials with carbon-point as negative electrode and anode, and power supply is that voltage is the direct supply of 200V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 5min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1.5h at 200 DEG C of temperature for filter cake, obtains nano barium sulfate.
With the nano barium sulfate obtaining by quality proportioning: pure-acrylic emulsion: nano barium sulfate: water: thickening material: wetting agent: dispersion agent: film coalescence aid is 51: 30: 15: 1: 1: 1: 1 preparation obtains transparent reflective heat-insulating coating, be sprayed on transparent doors window glass, after dry, form film, there is transparent heat-insulated effect.
embodiment 5
1) sodium sulfate of the bariumchloride of 45 weight parts and 45 weight parts is configured to respectively to the solution that same concentration is 2.0mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 0.5mol/L by appropriate concentration and 5 weight parts adds in electrolyzer, the electrode materials with carbon-point as negative electrode and anode, and power supply is that voltage is the direct supply of 180V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) under the condition of energising, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 4min in energising situation, after power-off mixing solutions.In energising reaction process, barium ion in solution is fast to movable cathode under electric field action, and the quick anode of sulfate ion is moved, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1h at 180 DEG C of temperature for filter cake, obtains nano barium sulfate.
With the nano barium sulfate obtaining by quality proportioning: pure-acrylic emulsion: nano barium sulfate: water: thickening material: wetting agent: dispersion agent: film coalescence aid is 61: 20: 15: 1: 1: 1: 1 preparation obtains transparent reflective heat-insulating coating, be sprayed on vehicle glass, after dry, form film, there is transparent heat-insulated effect.
Claims (5)
1. a preparation method for nano barium sulfate, is characterized in that obtaining a kind of flake nano barium sulfate, and concrete preparation process is as follows:
1) sodium sulfate of the bariumchloride of 45-50 weight part and 45-50 weight part is configured to respectively to the solution that same concentration is 0.5-4.0mol/L, stand-by;
2) after mixing, the anti-agglomerator of the sodium chloride solution that is 0.5-1.5mol/L by appropriate concentration and 3-5 weight part adds in electrolyzer, electrode materials with carbon-point as negative electrode and anode, power supply is that voltage is the direct supply of 120-240V, carries out at normal temperatures and pressures electrolysis;
3) in step 2) energising condition under, the barium chloride solution that step 1) is obtained and metabisulfite solution add from anode and the negative electrode of electrolyzer respectively with same speed simultaneously, keep reacting 3-5min in energising situation, after power-off, obtain mixing solutions, in energising reaction process, barium ion in solution under electric field action fast to movable cathode, the quick anode motion of sulfate ion, thereby barium ion and sulfate ion meet and collide at electrolyzer middle part, react, generate fast tiny barium sulfate precipitate;
4) mixing solutions step 3) being obtained filters, and filtrate is recyclable to be reused, and by vacuum drying oven vacuum-drying 1-2h at 150-200 DEG C of temperature for filter cake, obtains nano barium sulfate.
2. according to the prepared nano barium sulfate of the preparation method of a kind of nano barium sulfate described in claim 1, it is characterized in that described nano barium sulfate is flake nano barium sulfate, lamella mean thickness is 2-4nm, and average diameter thickness rate is 6: 1, content >=99%.
3. in the preparation method of a kind of nano barium sulfate according to claim 1, it is characterized in that described anti-agglomerator is that molecular weight is the polyoxyethylene glycol of 190-420.
4. in the preparation method of a kind of nano barium sulfate according to claim 1, it is characterized in that described electrolyzer is aqueous solution electrolytic cell, be made up of cell body, anode and negative electrode, negative electrode and anode adopt carbon-point as electro-conductive material, and anode and negative electrode do not use barrier film to separate.
5. the application of a nano barium sulfate, it is characterized in that described nano barium sulfate is applied in transparent reflective heat-insulating coating, filler and functional materials as coating use, the 10%-65% that consumption is total mass in the formula of transparent reflective heat-insulating coating, infrared rays in energy usable reflection sunlight, see through visible ray, reach the heat insulation function of printing opacity.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104651943A (en) * | 2015-01-23 | 2015-05-27 | 成都新柯力化工科技有限公司 | Barium sulfate whisker and preparation method thereof |
| CN106543871A (en) * | 2015-09-18 | 2017-03-29 | 关西涂料株式会社 | Water transparent coating composition |
| WO2019029630A1 (en) * | 2017-08-10 | 2019-02-14 | 苏州魁星新材料科技有限公司 | Composition containing nano-sulfur and application thereof |
| CN111039307A (en) * | 2019-06-26 | 2020-04-21 | 荷贝克电源系统（溧阳）有限公司 | Method for reducing carbonate radicals and sulfate radicals in high-concentration potassium hydroxide solution |
| CN111592024A (en) * | 2020-04-24 | 2020-08-28 | 广西科学院 | Method for preparing submicron solid spherical calcium carbonate from calcium chloride |
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| CN115029035A (en) * | 2022-06-08 | 2022-09-09 | 广州大学 | Ultrahigh-performance aerogel composite heat-insulating coating and preparation method thereof |
| CN115160654A (en) * | 2022-07-13 | 2022-10-11 | 集美大学 | Modified cellulose acetate fiber capable of being degraded by microorganisms and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4996994A (en) * | 1973-01-22 | 1974-09-13 | ||
| CN101423239A (en) * | 2008-11-21 | 2009-05-06 | 北京化工大学 | Method for preparing nano barium sulfate with controllable particle size distribution |
| CN101724333A (en) * | 2009-12-16 | 2010-06-09 | 常熟华冶薄板有限公司 | Heat-insulation coating |
| CN103626219A (en) * | 2013-12-19 | 2014-03-12 | 贵州红星发展股份有限公司 | Nano barium sulfate and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4996994A (en) * | 1973-01-22 | 1974-09-13 | ||
| CN101423239A (en) * | 2008-11-21 | 2009-05-06 | 北京化工大学 | Method for preparing nano barium sulfate with controllable particle size distribution |
| CN101724333A (en) * | 2009-12-16 | 2010-06-09 | 常熟华冶薄板有限公司 | Heat-insulation coating |
| CN103626219A (en) * | 2013-12-19 | 2014-03-12 | 贵州红星发展股份有限公司 | Nano barium sulfate and preparation method thereof |
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| CN106543871A (en) * | 2015-09-18 | 2017-03-29 | 关西涂料株式会社 | Water transparent coating composition |
| WO2019029630A1 (en) * | 2017-08-10 | 2019-02-14 | 苏州魁星新材料科技有限公司 | Composition containing nano-sulfur and application thereof |
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| US11919770B2 (en) | 2017-08-10 | 2024-03-05 | Suzhou Canastar New-Materials Technology Corporation | Nano-sulfur containing composition and application thereof |
| CN111039307A (en) * | 2019-06-26 | 2020-04-21 | 荷贝克电源系统（溧阳）有限公司 | Method for reducing carbonate radicals and sulfate radicals in high-concentration potassium hydroxide solution |
| CN111592024A (en) * | 2020-04-24 | 2020-08-28 | 广西科学院 | Method for preparing submicron solid spherical calcium carbonate from calcium chloride |
| CN111592024B (en) * | 2020-04-24 | 2022-09-06 | 广西科学院 | Method for preparing submicron solid spherical calcium carbonate from calcium chloride |
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| CN115160654A (en) * | 2022-07-13 | 2022-10-11 | 集美大学 | Modified cellulose acetate fiber capable of being degraded by microorganisms and preparation method thereof |
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