CN110697752A - Modification method of nano calcium carbonate - Google Patents
Modification method of nano calcium carbonate Download PDFInfo
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- CN110697752A CN110697752A CN201910896208.9A CN201910896208A CN110697752A CN 110697752 A CN110697752 A CN 110697752A CN 201910896208 A CN201910896208 A CN 201910896208A CN 110697752 A CN110697752 A CN 110697752A
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 200
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 100
- 238000002715 modification method Methods 0.000 title claims abstract description 15
- 239000011259 mixed solution Substances 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000243 solution Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000292 calcium oxide Substances 0.000 claims abstract description 16
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 16
- 239000012153 distilled water Substances 0.000 claims abstract description 16
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 27
- 150000001336 alkenes Chemical class 0.000 claims description 18
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 17
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 239000011812 mixed powder Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- LGEZTMRIZWCDLW-UHFFFAOYSA-N 14-methylpentadecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC(C)C LGEZTMRIZWCDLW-UHFFFAOYSA-N 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229940078545 isocetyl stearate Drugs 0.000 claims description 3
- -1 polyoxyethylene glyceryl ether monostearate Polymers 0.000 claims description 3
- 150000003871 sulfonates Chemical class 0.000 claims 1
- 230000004048 modification Effects 0.000 abstract description 8
- 238000012986 modification Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000005054 agglomeration Methods 0.000 abstract description 5
- 230000002776 aggregation Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention belongs to the technical field of nano calcium carbonate, in particular to a method for modifying nano calcium carbonate, which comprises the following raw materials in parts by weight, wherein the raw materials required by the method for modifying nano calcium carbonate comprise a mixed solution A, a mixed solution B and a mixed solution C, the mixed solution A comprises quicklime, nano calcium carbonate, carbon dioxide and distilled water, the mixed solution B comprises a butyl titanate solution, absolute ethyl alcohol, a dispersing agent and polyacrylate, the mixed solution C comprises the mixed solution A and the mixed solution B, and the equipment required by the method for modifying nano calcium carbonate comprises the following components in parts by weight: a heating kettle, a vacuum reactor, a high-speed mixer, a mortar, a dryer and irradiation equipment. The modification method of the nano calcium carbonate adopts a wet modification technology, avoids the problem of hard agglomeration in the dry modification process, further adopts an irradiation treatment process, solves the problem of material performance reduction caused by poor binding capacity of the nano calcium carbonate, and solves the problem of poor thermal stability of the common nano calcium carbonate.
Description
Technical Field
The invention relates to the technical field of nano calcium carbonate, in particular to a method for modifying nano calcium carbonate.
Background
In the production process of calcium carbonate, the calcium carbonate can be divided into nano calcium carbonate, heavy calcium carbonate and light calcium carbonate according to the size of the calcium carbonate quantum size, wherein the nano calcium carbonate is mainly applied to the production of rubber, plastics, chemical construction and papermaking, and the nano calcium carbonate has good dispersibility and can be effectively combined with resin, so that the rigidity and flexibility of the resin combined with the nano calcium carbonate are effectively improved, and the nano calcium carbonate is widely applied and has good development prospect.
With the use of nano calcium carbonate, the defects of the traditional nano calcium carbonate in the modification process are gradually shown, the existing nano calcium carbonate is modified by a dry method generally, the hard agglomeration phenomenon of the nano calcium carbonate caused by the generation of chemical bond oxygen bridges can occur in the dry modification process, the interface is easy to have defects due to poor binding capacity of the nano calcium carbonate to influence the binding between particles, and meanwhile, the modified nano calcium carbonate is easy to cause material instability when being influenced by a high-temperature environment to seriously influence the service performance of the nano calcium carbonate.
In summary, the existing nano calcium carbonate has the defects of easy agglomeration among particles, poor binding capacity and poor thermal stability during processing. Aiming at the problems, innovative design based on the original nano calcium carbonate is urgently needed.
Disclosure of Invention
The invention aims to provide a method for modifying nano calcium carbonate, which aims to solve the problems of easy agglomeration among particles, poor binding capability and poor thermal stability in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a modification method of nano calcium carbonate is characterized in that: the raw materials required by the modification method of the nano calcium carbonate consist of a mixed solution A, a mixed solution B and a mixed solution C, wherein the mixed solution A consists of quicklime, the nano calcium carbonate, carbon dioxide and distilled water, the mixed solution B consists of a butyl titanate solution, absolute ethyl alcohol, a dispersing agent and polyacrylate, the mixed solution C consists of the mixed solution A and the mixed solution B, and the equipment required by the modification method of the nano calcium carbonate comprises the following components: a heating kettle, a vacuum reactor, a high-speed mixer, a mortar, a dryer and irradiation equipment.
Preferably, the modification method of the nano calcium carbonate is as follows:
preparation work:
(1) preparing nano calcium carbonate, quicklime and distilled water;
(2) preparing a butyl titanate solution, absolute ethyl alcohol and a dispersant polyacrylate;
(3) the prepared monomeric olefin and sulfonate.
Preferably, the nano calcium carbonate accounts for 100-200 parts by weight.
Preferably, the quicklime is 90-110 parts by weight.
Preferably, the distilled water is 2000-5000 parts by weight.
Preferably, the butyl titanate solution is 10 to 30 parts by weight.
Preferably, the absolute ethyl alcohol is 40-100 parts by weight.
Preferably, the polyacrylate is 10 to 30 parts by weight.
Preferably, the dispersing agent is 20 to 50 parts by weight, wherein the dispersing agent consists of isocetyl stearate and polyoxyethylene glyceryl ether monostearate.
Preferably, the monomeric olefin is 20 to 50 parts by weight.
Preferably, the sulfonate is 20 to 50 parts by weight.
Preferably, the preparation process of the modified method of the nano calcium carbonate is as follows:
1. adding 100 parts by weight of quicklime and 2000 parts by weight of distilled water into a high-speed mixer, continuously introducing carbon dioxide into a solution mixed by 100 parts by weight of quicklime and 2000 parts by weight of distilled water, heating the mixed liquid in the high-speed mixer at the same time, wherein the heating temperature is constant at 60 ℃, and stirring the constant-temperature mixed solution by using a height mixer, wherein the stirring speed is set to 3000 revolutions per minute, and the stirring time is 1 hour, so as to obtain a mixed solution A;
2. adding 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate into a high-speed mixer, stirring and mixing the 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate through the high-speed mixer, wherein the stirring speed of the high-speed mixer is 1000 revolutions per minute, the stirring time is 0.5 hour, adding 20 parts by weight of dispersing agent into the high-speed mixer, and continuously mixing the solution in the high-speed mixer through the high-speed mixer, wherein the stirring time is 1.5 hours, so as to obtain a mixed solution B;
3. adding the mixed solution A and the mixed solution B obtained in the previous step into a vacuum reactor at the same time, further heating the mixed solution in the vacuum reactor, wherein after the heating temperature reaches 80 ℃, the solution in the vacuum reactor is stopped being heated, the solution in the vacuum reactor is always kept in a constant temperature state of 80 ℃, and simultaneously the solution in the vacuum reactor is stirred and mixed through the vacuum reactor, wherein the stirring speed is 2000 revolutions per minute, and the stirring is continued for 0.5 hour, so as to obtain a mixed solution C;
4. placing the obtained C mixed solution in a dryer, dehydrating and drying the C mixed solution through the dryer, wherein the treatment time of the dryer on the C mixed solution is 3 hours, so as to obtain dried powder after the C mixed solution is dried, placing the obtained dried powder into a mortar for further grinding, so as to obtain a powder substance of the C mixed solution, further adding the powder into a heating kettle, heating the powder substance through the heating kettle, wherein the heating temperature is constant at 500 ℃, the heating time is 2 hours, and after the heating is finished, placing and cooling the powder, so as to obtain high-whiteness nano calcium carbonate powder;
5. putting the obtained high-whiteness nano calcium carbonate powder into irradiation equipment, carrying out high-energy irradiation treatment on the high-whiteness nano calcium carbonate powder by the irradiation equipment through high-energy ultraviolet light, adding the treated high-whiteness nano calcium carbonate powder, 30 parts by weight of monomer olefin and 30 parts by weight of sulfonate into a high-speed mixer, mixing the high-whiteness nano calcium carbonate powder and the monomer olefin through the high-speed mixer, wherein the rotating speed of the high-speed mixer is 1000 revolutions per hour, the mixing duration is 2 hours, collecting the mixed powder in the high-speed mixer, adding the mixed powder into the irradiation equipment, further carrying out irradiation treatment on the monomer olefin, the sulfonate and the high-whiteness nano calcium carbonate powder in the irradiation equipment through the irradiation equipment, and reacting the monomer olefin and the high-whiteness nano calcium carbonate powder, forming an organic coating film to obtain high-activity and high-whiteness nano calcium carbonate powder, wherein the surfaces of the sulfonate and the nano calcium carbonate powder are tightly combined in a multi-point anchoring mode, the sulfonate has larger molecular weight and higher thermal stability, and thus the nano calcium carbonate powder with high thermal stability is obtained.
Compared with the prior art, the invention has the beneficial effects that: the modification method of the nano calcium carbonate adopts a novel structural design, adopts a wet modification technology, utilizes the characteristic that the calcium carbonate is more easily dispersed in a liquid phase, ensures that the calcium carbonate is better dispersed by adding a dispersing agent into a solution, reduces the surface energy after modification, avoids the problem of hard agglomeration in the dry modification process, further adopts an irradiation treatment process, solves the problems of poor binding capacity of the nano calcium carbonate, easy interface defect and material performance reduction, combines the nano calcium carbonate with a hyper-dispersant with larger molecular mass, and solves the problem of poor thermal stability of the common nano calcium carbonate.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
a raw material required by the modification method of nano calcium carbonate consists of a mixed solution A, a mixed solution B and a mixed solution C, wherein the mixed solution A consists of quicklime, nano calcium carbonate, carbon dioxide and distilled water, the mixed solution B consists of a butyl titanate solution, absolute ethyl alcohol, a dispersing agent and polyacrylate, the mixed solution C consists of the mixed solution A and the mixed solution B, and the equipment required by the modification method of nano calcium carbonate comprises the following components: a heating kettle, a vacuum reactor, a high-speed mixer, a mortar, a dryer and irradiation equipment.
The modification method of the nano calcium carbonate in the embodiment is as follows:
preparation work:
(1) preparing nano calcium carbonate, quicklime and distilled water;
(2) preparing a butyl titanate solution, absolute ethyl alcohol and a dispersant polyacrylate;
(3) the prepared monomeric olefin and sulfonate.
The nano calcium carbonate accounts for 100-200 parts by weight.
90-110 parts of quicklime.
The distilled water is 2000-5000 weight portions.
10-30 parts of butyl titanate solution.
40-100 parts of absolute ethyl alcohol.
The polyacrylate is 10-30 weight parts.
The dispersing agent is 20-50 weight parts, wherein the dispersing agent is composed of isocetyl stearate and polyoxyethylene glyceryl ether monostearate.
20-50 parts by weight of monomer olefin.
20-50 parts of sulfonate.
The preparation process of the modified nano calcium carbonate is as follows:
1. adding 100 parts by weight of quicklime and 2000 parts by weight of distilled water into a high-speed mixer, continuously introducing carbon dioxide into a solution mixed by 100 parts by weight of quicklime and 2000 parts by weight of distilled water, heating the mixed liquid in the high-speed mixer at the same time, wherein the heating temperature is constant at 60 ℃, and stirring the constant-temperature mixed solution by using a height mixer, wherein the stirring speed is set to 3000 revolutions per minute, and the stirring time is 1 hour, so as to obtain a mixed solution A;
2. adding 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate into a high-speed mixer, stirring and mixing the 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate through the high-speed mixer, wherein the stirring speed of the high-speed mixer is 1000 revolutions per minute, the stirring time is 0.5 hour, adding 20 parts by weight of dispersing agent into the high-speed mixer, and continuously mixing the solution in the high-speed mixer through the high-speed mixer, wherein the stirring time is 1.5 hours, so as to obtain a mixed solution B;
3. adding the mixed solution A and the mixed solution B obtained in the previous step into a vacuum reactor at the same time, further heating the mixed solution in the vacuum reactor, wherein after the heating temperature reaches 80 ℃, the solution in the vacuum reactor is stopped being heated, the solution in the vacuum reactor is always kept in a constant temperature state of 80 ℃, and simultaneously the solution in the vacuum reactor is stirred and mixed through the vacuum reactor, wherein the stirring speed is 2000 revolutions per minute, and the stirring is continued for 0.5 hour, so as to obtain a mixed solution C;
4. placing the obtained C mixed solution in a dryer, dehydrating and drying the C mixed solution through the dryer, wherein the treatment time of the dryer on the C mixed solution is 3 hours, so as to obtain dried powder after the C mixed solution is dried, placing the obtained dried powder into a mortar for further grinding, so as to obtain a powder substance of the C mixed solution, further adding the powder into a heating kettle, heating the powder substance through the heating kettle, wherein the heating temperature is constant at 500 ℃, the heating time is 2 hours, and after the heating is finished, placing and cooling the powder, so as to obtain high-whiteness nano calcium carbonate powder;
5. putting the obtained high-whiteness nano calcium carbonate powder into irradiation equipment, carrying out high-energy irradiation treatment on the high-whiteness nano calcium carbonate powder by the irradiation equipment through high-energy ultraviolet light, adding the treated high-whiteness nano calcium carbonate powder, 30 parts by weight of monomer olefin and 30 parts by weight of sulfonate into a high-speed mixer, mixing the high-whiteness nano calcium carbonate powder and the monomer olefin through the high-speed mixer, wherein the rotating speed of the high-speed mixer is 1000 revolutions per hour, the mixing duration is 2 hours, collecting the mixed powder in the high-speed mixer, adding the mixed powder into the irradiation equipment, further carrying out irradiation treatment on the monomer olefin, the sulfonate and the high-whiteness nano calcium carbonate powder in the irradiation equipment through the irradiation equipment, and reacting the monomer olefin and the high-whiteness nano calcium carbonate powder, forming an organic coating film to obtain high-activity and high-whiteness nano calcium carbonate powder, wherein the surfaces of the sulfonate and the nano calcium carbonate powder are tightly combined in a multi-point anchoring mode, the sulfonate has larger molecular weight and higher thermal stability, and thus the nano calcium carbonate powder with high thermal stability is obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A modification method of nano calcium carbonate is characterized in that: the raw materials required by the modification method of the nano calcium carbonate consist of a mixed solution A, a mixed solution B and a mixed solution C, wherein the mixed solution A consists of quicklime, the nano calcium carbonate, carbon dioxide and distilled water, the mixed solution B consists of a butyl titanate solution, absolute ethyl alcohol, a dispersing agent and polyacrylate, the mixed solution C consists of the mixed solution A and the mixed solution B, and the equipment required by the modification method of the nano calcium carbonate comprises the following components: a heating kettle, a vacuum reactor, a high-speed mixer, a mortar, a dryer and irradiation equipment.
2. The method for modifying nano calcium carbonate according to claim 1, wherein the method comprises the following steps: the modification method of the nano calcium carbonate comprises the following steps:
preparation work:
(1) preparing nano calcium carbonate, quicklime and distilled water;
(2) preparing a butyl titanate solution, absolute ethyl alcohol and a dispersant polyacrylate;
(3) prepared monomeric olefins and sulfonates;
the nano calcium carbonate accounts for 100-200 parts by weight;
the quicklime accounts for 90-110 parts by weight.
3. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the distilled water is 2000-5000 parts by weight.
4. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the weight portion of the butyl titanate solution is 10-30.
5. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the absolute ethyl alcohol accounts for 40-100 parts by weight.
6. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the polyacrylate is 10-30 parts by weight.
7. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the dispersing agent is 20-50 parts by weight, wherein the dispersing agent is composed of isocetyl stearate and polyoxyethylene glyceryl ether monostearate.
8. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the monomer olefin accounts for 20-50 parts by weight.
9. The method for modifying nano calcium carbonate according to claim 2, wherein the method comprises the following steps: the sulfonate accounts for 20-50 parts by weight.
10. The method for modifying nano calcium carbonate according to claims 1 to 9, wherein: the preparation process of the modified nano calcium carbonate is as follows:
1) adding 100 parts by weight of quicklime and 2000 parts by weight of distilled water into a high-speed mixer, continuously introducing carbon dioxide into a mixed solution of 100 parts by weight of quicklime and 2000 parts by weight of distilled water, heating the mixed solution in the high-speed mixer at the same time, wherein the heating temperature is constant at 60 ℃, and stirring the constant-temperature mixed solution by using a height mixer, wherein the stirring speed is set to 3000 revolutions per minute, and the stirring time is 1 hour, so as to obtain a mixed solution A;
2) adding 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate into a high-speed mixer, stirring and mixing the 20 parts by weight of butyl titanate solution, 70 parts by weight of anhydrous ethanol and 20 parts by weight of polyacrylate through the high-speed mixer, wherein the stirring speed of the high-speed mixer is 1000 revolutions per minute, and the stirring time is 0.5 hour, adding 20 parts by weight of dispersing agent into the high-speed mixer, and continuously mixing the solution in the high-speed mixer through the high-speed mixer, wherein the stirring time is 1.5 hours, so as to obtain a mixed solution B;
3) adding the mixed solution A and the mixed solution B obtained in the previous step into a vacuum reactor at the same time, further heating the mixed solution in the vacuum reactor, wherein after the heating temperature reaches 80 ℃, the solution in the vacuum reactor is stopped being heated, the solution in the vacuum reactor is always kept in a constant temperature state of 80 ℃, and simultaneously the solution in the vacuum reactor is stirred and mixed through the vacuum reactor, wherein the stirring speed is 2000 revolutions per minute, and the stirring is continued for 0.5 hour, so as to obtain a mixed solution C;
4) placing the obtained C mixed solution in a dryer, dehydrating and drying the C mixed solution through the dryer, wherein the treatment time of the dryer on the C mixed solution is 3 hours, so as to obtain dried powder after the C mixed solution is dried, placing the obtained dried powder into a mortar for further grinding, so as to obtain a powder substance of the C mixed solution, further adding the powder into a heating kettle, heating the powder substance through the heating kettle, wherein the heating temperature is constant at 500 ℃, the heating time is 2 hours, and after the heating is finished, placing and cooling the powder, so as to obtain high-whiteness nano calcium carbonate powder;
5) putting the obtained high-whiteness nano calcium carbonate powder into irradiation equipment, carrying out high-energy irradiation treatment on the high-whiteness nano calcium carbonate powder by the irradiation equipment through high-energy ultraviolet light, adding the treated high-whiteness nano calcium carbonate powder, 30 parts by weight of monomer olefin and 30 parts by weight of sulfonate into a high-speed mixer, mixing the high-whiteness nano calcium carbonate powder and the monomer olefin through the high-speed mixer, wherein the rotating speed of the high-speed mixer is 1000 revolutions per hour, the mixing duration is 2 hours, collecting the mixed powder in the high-speed mixer, adding the mixed powder into the irradiation equipment, further carrying out irradiation treatment on the monomer olefin, the sulfonate and the high-whiteness nano calcium carbonate powder in the irradiation equipment through the irradiation equipment, and reacting the monomer olefin and the high-whiteness nano calcium carbonate powder, forming an organic coating film to obtain high-activity and high-whiteness nano calcium carbonate powder, wherein the surfaces of the sulfonate and the nano calcium carbonate powder are tightly combined in a multi-point anchoring mode, the sulfonate has larger molecular weight and higher thermal stability, and thus the nano calcium carbonate powder with high thermal stability is obtained.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694760A (en) * | 2020-12-22 | 2021-04-23 | 马瑞蕾 | Nano calcium carbonate plastic master batch |
| CN113155224A (en) * | 2021-05-17 | 2021-07-23 | 济南龙鼓环保科技有限公司 | Intelligent water meter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1418817A (en) * | 2002-12-20 | 2003-05-21 | 天津渤海化工有限责任公司天津碱厂 | Method for prodn. of active nano calcium carbonate |
| US20040110884A1 (en) * | 2001-11-13 | 2004-06-10 | Eastman Kodak Company | Article utilizing block copolymer intercalated clay |
| CN1953935A (en) * | 2004-05-14 | 2007-04-25 | 索尼德国有限责任公司 | Composite materials comprising carbon nanotubes and metal carbonates |
| CN103290234A (en) * | 2013-06-28 | 2013-09-11 | 天津水泥工业设计研究院有限公司 | Method for extracting soluble potassium by utilizing water-insoluble potassium ores |
| CN103896776A (en) * | 2012-12-26 | 2014-07-02 | 上海华明高技术（集团）有限公司 | Calcium carbonate surface modifier, and preparation method and use method thereof |
| CN106433220A (en) * | 2016-08-22 | 2017-02-22 | 江西广源化工有限责任公司 | Preparation method of modified superfine calcium carbonate powder and product of preparation method |
| CN108794932A (en) * | 2018-06-29 | 2018-11-13 | 钦州市宝业坭兴陶厂 | It a kind of method of modifying of nano-calcium carbonate and its applies in PVC wood plastic plank |
| CN109399685A (en) * | 2018-12-27 | 2019-03-01 | 蒙成昆 | A kind of method of modifying of nanometer calcium carbonate |
-
2019
- 2019-09-22 CN CN201910896208.9A patent/CN110697752A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040110884A1 (en) * | 2001-11-13 | 2004-06-10 | Eastman Kodak Company | Article utilizing block copolymer intercalated clay |
| CN1418817A (en) * | 2002-12-20 | 2003-05-21 | 天津渤海化工有限责任公司天津碱厂 | Method for prodn. of active nano calcium carbonate |
| CN1953935A (en) * | 2004-05-14 | 2007-04-25 | 索尼德国有限责任公司 | Composite materials comprising carbon nanotubes and metal carbonates |
| CN103896776A (en) * | 2012-12-26 | 2014-07-02 | 上海华明高技术（集团）有限公司 | Calcium carbonate surface modifier, and preparation method and use method thereof |
| CN103290234A (en) * | 2013-06-28 | 2013-09-11 | 天津水泥工业设计研究院有限公司 | Method for extracting soluble potassium by utilizing water-insoluble potassium ores |
| CN106433220A (en) * | 2016-08-22 | 2017-02-22 | 江西广源化工有限责任公司 | Preparation method of modified superfine calcium carbonate powder and product of preparation method |
| CN108794932A (en) * | 2018-06-29 | 2018-11-13 | 钦州市宝业坭兴陶厂 | It a kind of method of modifying of nano-calcium carbonate and its applies in PVC wood plastic plank |
| CN109399685A (en) * | 2018-12-27 | 2019-03-01 | 蒙成昆 | A kind of method of modifying of nanometer calcium carbonate |
Non-Patent Citations (2)
| Title |
|---|
| 张毅等: ""纳米CaCO3的表面改性及其与聚合物基的复合"", 《塑料》, no. 3, pages 61 * |
| 李瑞海等: ""碳酸钙表面辐照改性及对HDPE/CaCO3体系性能的影响"", 《塑料工业》, no. 04, pages 42 - 43 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694760A (en) * | 2020-12-22 | 2021-04-23 | 马瑞蕾 | Nano calcium carbonate plastic master batch |
| CN113155224A (en) * | 2021-05-17 | 2021-07-23 | 济南龙鼓环保科技有限公司 | Intelligent water meter |
| CN113155224B (en) * | 2021-05-17 | 2023-12-15 | 济南龙鼓环保科技有限公司 | Intelligent water meter |
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