CN114292062A - Special leveling mortar powder for low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating and preparation method thereof - Google Patents

Special leveling mortar powder for low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating and preparation method thereof Download PDF

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CN114292062A
CN114292062A CN202111664309.7A CN202111664309A CN114292062A CN 114292062 A CN114292062 A CN 114292062A CN 202111664309 A CN202111664309 A CN 202111664309A CN 114292062 A CN114292062 A CN 114292062A
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powder
mildew
low
cracking
proof
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周攀
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Henan Sankeshu New Material Technology Co ltd
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Henan Sankeshu New Material Technology Co ltd
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Abstract

The invention relates to a special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating and a preparation method thereof, wherein the special leveling mortar powder mainly comprises the following components in parts by mass: the mortar comprises cement ash, coarse whiting powder, river sand of 40-70 meshes, river sand of 70-140 meshes, mica powder, barium sulfate powder, fumed silica, acrylic acid modified polyvinyl alcohol, S95 mineral powder, emulsion powder, hydroxypropyl methyl cellulose ether, a sterilization mildew preventive, lignocellulose and starch ether. The special leveling mortar powder for the low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating has the mildew-proof and antibacterial functions and better cracking resistance, can reach 1cm directly in thickness, has no cracking phenomenon, is low in production cost, and is low-carbon, energy-saving and emission-reducing.

Description

Special leveling mortar powder for low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating and preparation method thereof
Technical Field
The invention relates to a special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating and a preparation method thereof.
Background
In recent years, the real stone texture coating has strong decoration and natural color and luster and the texture of natural stone, can provide pattern structures with various three-dimensional shapes, and can show the elegance and the solemn beauty of the whole building visually, so that the real stone texture coating can replace external wall stone to be applied to the external facade of the building in a large amount.
The existing exterior wall rough bottom putty matched with the putty has poor leveling capability on a base layer of an exterior wall, the situation that the putty layer is easy to crack when being scraped by more than 3 millimeters in one-pass construction thickness is avoided, and the putty layer has no functions of mildew resistance, antibiosis and environmental protection. When the coating is matched with the real stone texture coating, the rough bottom is usually constructed for 2 times so as to reach the flatness of the base layer required by the real texture coating. And a large amount of cement is used in the exterior wall putty, and the preparation of the cement needs a large amount of energy consumption, which is not beneficial to the low-carbon, energy-saving and environment-friendly policy put forward by the state.
Disclosure of Invention
The leveling mortar powder special for the low-carbon, environment-friendly, anti-cracking, mildew-proof and real stone texture coating has the mildew-proof and antibacterial functions and better cracking resistance (the thickness can reach 1cm directly without cracking phenomenon), and has the advantages of low production cost, low carbon, energy conservation and emission reduction.
The invention is realized by the following technical scheme:
the special leveling mortar powder for the low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating mainly comprises the following components in parts by mass:
Figure BDA0003450617710000011
Figure BDA0003450617710000021
further, the coarse whiting powder is 100-200 mesh coarse whiting powder.
Further, the barium sulfate powder is 100-200-mesh barium sulfate powder.
A preparation method of special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating comprises the following steps:
(1) sequentially adding the cement, part of 200-mesh heavy calcium powder, 40-70-mesh river sand and 70-140-mesh river sand at 500 revolutions per minute of 300-;
(2) adding mica powder, superfine barium sulfate, fumed silica, modified polyvinyl alcohol and S95 mineral powder into a grinding machine, heating to 70-80 ℃, fully stirring for 30-60 minutes, adding water after the modified polyvinyl alcohol is completely melted, evaporating the liquid to dryness at the temperature of 100-120 ℃ to obtain mixed additive powder,
(3) and (3) adding the mixed additive powder prepared in the step (2) into the mixture prepared in the step (1), then adding the latex powder, the hydroxypropyl methyl cellulose ether, the sterilization and mildew preventive, the lignocellulose, the starch ether and the residual 200-mesh heavy calcium powder, and then dispersing for 10-20 minutes at the speed of 1000 revolutions per minute of 700-.
When in use, 25-30% of water can be added into the product, and then the product is uniformly stirred to carry out batch scraping construction.
Compared with the prior art, the invention has the following beneficial effects: the mica powder, the superfine barium sulfate and other modified materials are added and matched with the powder with different particle diameters, so that the drying time of wall putty layer thickness batch (direct batch scraping of 1 cm) can be improved, the weather resistance of the product can be improved, and the cracking of the putty layer caused by the high-temperature irradiation of the wall surface can be avoided. The environment-friendly, anti-cracking and mildew-proof special leveling mortar powder with real stone texture is prepared by matching sand sources of different grades, and simultaneously, mineral powder waste generated in steel plant production is added to replace part of cement, so that the production cost is reduced, the national low-carbon, energy-saving and emission-reduction policy is met, the use of cement can be reduced (the energy consumption for preparing cement is higher), and in addition, due to the addition of the mildew-proof auxiliary agent, the prepared putty has the mildew-proof and antibacterial functions and better cracking resistance (the thickness can reach 1cm directly and no cracking phenomenon exists).
Detailed Description
The invention will be further elucidated with reference to the embodiments described hereinafter
Example 1
A preparation method of special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating comprises the following steps:
(1) sequentially adding the cement, part of 200-mesh heavy calcium powder, 40-70-mesh river sand and 70-140-mesh river sand at 300 revolutions per minute, and dispersing for 10 minutes;
(2) adding mica powder, superfine barium sulfate, fumed silica, modified polyvinyl alcohol and S95 mineral powder into a grinding machine, heating to 70 ℃, fully stirring for 60 minutes, adding water after the modified polyvinyl alcohol is completely melted, evaporating the liquid to dryness at 100 ℃ to obtain mixed additive powder,
(3) and (3) adding the mixed additive powder prepared in the step (2) into the mixture prepared in the step (1), then adding the latex powder, hydroxypropyl methyl cellulose ether, the sterilization and mildew preventive, the lignocellulose, the starch ether and the residual 100-mesh heavy calcium powder, and then dispersing for 20 minutes at 700 revolutions per minute to obtain the composite material.
Example 2
A preparation method of special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating comprises the following steps:
(1) sequentially adding the cement, part of 200-mesh heavy calcium powder, 40-70-mesh river sand and 70-140-mesh river sand at 500 revolutions per minute, and dispersing for 5 minutes;
(2) adding mica powder, superfine barium sulfate, fumed silica, modified polyvinyl alcohol and S95 mineral powder into a grinding machine, heating to 80 ℃, fully stirring for 30 minutes, adding water after the modified polyvinyl alcohol is completely melted, evaporating the liquid to dryness at 120 ℃ to obtain mixed additive powder,
(3) and (3) adding the mixed additive powder prepared in the step (2) into the mixture prepared in the step (1), then adding the latex powder, hydroxypropyl methyl cellulose ether, the sterilization and mildew preventive, the lignocellulose, the starch ether and the residual 200-mesh heavy calcium powder, and then dispersing for 10 minutes at 1000 revolutions per minute to obtain the nano calcium carbonate.
Example 3
A preparation method of special leveling mortar powder for a low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating comprises the following steps:
(1) sequentially adding the cement, part of 200-mesh heavy calcium powder, 40-70-mesh river sand and 70-140-mesh river sand at 400 r/min, and dispersing for 8 min;
(2) adding mica powder, superfine barium sulfate, fumed silica, modified polyvinyl alcohol and S95 mineral powder into a grinding machine, heating to 75 ℃, fully stirring for 40 minutes, adding water after the modified polyvinyl alcohol is completely melted, evaporating the liquid to dryness at 1120 ℃ to obtain mixed additive powder,
(3) and (3) adding the mixed additive powder prepared in the step (2) into the mixture prepared in the step (1), then adding the latex powder, hydroxypropyl methyl cellulose ether, the sterilization and mildew preventive, the lignocellulose, the starch ether and the residual 200-mesh heavy calcium powder, and dispersing for 15 minutes at 800 revolutions per minute to obtain the nano calcium carbonate.
The paint disclosed by the invention not only meets the standard of P type in JG/T157-containing 2009 of exterior wall putty, but also meets the 0 grade in the standard of 'paint film resistance' in JB/T1741-2020. When the product is used for leveling the base layer of the outer wall of the building, the product can also have antibacterial and mildewproof protection on the base layer, and the construction process is accelerated by multiple effects.
The three formulas of the examples 1, 2 and 3 are respectively selected according to the reference formula and the high, medium and low of the addition range of the raw materials for carrying out the example tests.
Serial number Name of Material Example 1 Example 2 Example 3
1 Cement mortar 21 25 28
2 200 mesh coarse whiting powder 47.18 40.26 20
3 River sand of 40-70 meshes 15 18 20
4 70-140 mesh river sand 4 7 9
5 Mica powder 3 5 6
6 Superfine barium sulfate 3 4 5
7 Fumed silica 0.1 0.3 0.5
8 Acrylic acid modified polyvinyl alcohol 0.2 0.4 0.6
9 S95 powdered ore 5 8 10
10 Latex powder 1 1.5 2
11 Hydroxypropyl methyl cellulose ether 0.3 0.4 0.45
12 Bactericidal mildew inhibitor 0.1 0.3 0.5
13 Lignocellulose 0.1 0.3 0.5
14 Starch ethers 0.02 0.06 0.08
Examples 1-3 detection methods: the performance indexes of the above examples were tested according to the P-type standard in JG/T157-2009 and the class 0 in the "mold resistance of paint film" standard in JB/T1741-2020, and the limited substances in GB18582-2020, and the results are shown in the following tables 1 and 2, wherein the thick batches of examples 1-3 had no cracks at both 0.5cm and 1 cm.
TABLE 1
Figure BDA0003450617710000061
TABLE 2
Figure BDA0003450617710000071
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
The lime cement is produced by southwest cement factories, and the product type is 42.5 strength lime cement.
The hydroxypropyl methyl cellulose ether manufacturer in the invention is Shanghai Hui Guang fine chemical industry Co., Ltd, and the model is PMK-40Z.
The rubber powder manufacturer in the invention is Wake, and the model is 5010.
The manufacturer of the sterilization mildew preventive is Guangzhou Dimei.
The lignocellulose manufacturer in the invention is a watt model ZZC 500.
The starch ether used in the invention is Ivy, which is produced by 301 manufacturers.
The mineral powder used in the invention is an Emei mountain macrogenesis building material produced by a manufacturer with the model number of S95.
The mica powder used in the invention provides 180-mesh mica powder for the Haiyang powder.
The fumed silica used in the invention is produced by a manufacturer in a universal manner.
The acrylic acid modified polyvinyl alcohol manufacturer used in the invention is gorgeous.
The superfine barium sulfate manufacturer used in the invention is Qingdao red butterfly new material Co.
The raw materials mentioned above are the preferred materials in the formulation, and the materials can be produced by selecting other materials meeting the requirements in the implementation, and are not limited to the preferred materials.

Claims (4)

1. The utility model provides a special mortar powder of making level of mould proof real stone feel coating of low carbon environmental protection fracture resistance which characterized in that: the composition comprises the following components in parts by mass:
serial number Name (R) Dosage of 1 Cement mortar 21-28 2 Heavy calcium powder 20-47.18 3 River sand of 40-70 meshes 15-20 4 70-140 mesh river sand 4-9 5 Mica powder 3-6 6 Barium sulfate powder 3-5 7 Fumed silica 0.1-0.5 8 Acrylic acid modified polyvinyl alcohol 0.2-0.6 9 S95 powdered ore 5-10 10 Latex powder 1-2 11 Hydroxypropyl methyl cellulose ether 0.3-0.45 12 Bactericidal mildew inhibitor 0.1-0.5 13 Lignocellulose 0.1-0.5 14 Starch ethers 0.02-0.08。
2. The special leveling mortar powder for the low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating according to claim 1, which is characterized in that: the coarse whiting powder is 100-200 mesh coarse whiting powder.
3. The special leveling mortar powder for the low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating according to claim 1, which is characterized in that: the barium sulfate powder is 100-200-mesh barium sulfate powder.
4. A preparation method of leveling mortar powder special for low-carbon, environment-friendly, anti-cracking, mildew-proof and stone-like coating is characterized by comprising the following steps: the method comprises the following steps:
(1) adding cement, partial heavy calcium powder, 40-70 mesh river sand and 70-140 mesh river sand at 500 revolutions per minute of 300-;
(2) adding mica powder, barium sulfate powder, fumed silica, acrylic acid modified polyvinyl alcohol and S95 mineral powder into a grinding machine, heating to 70-80 ℃, fully stirring for 30-60 minutes, adding water after the acrylic acid modified polyvinyl alcohol is completely melted, and evaporating the liquid to dryness at the temperature of 100-120 ℃ to obtain mixed additive powder;
(3) and (3) adding the mixed additive powder prepared in the step (2) into the mixture prepared in the step (1), then adding the latex powder, the hydroxypropyl methyl cellulose ether, the sterilization and mildew preventive, the lignocellulose, the starch ether and the rest heavy calcium powder, and then dispersing for 10-20 minutes at the speed of 700 plus materials per minute to obtain the special leveling mortar powder for the low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating.
CN202111664309.7A 2021-12-31 2021-12-31 Special leveling mortar powder for low-carbon environment-friendly anti-cracking mildew-proof real stone texture coating and preparation method thereof Pending CN114292062A (en)

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CN115849780A (en) * 2022-12-02 2023-03-28 福建省三棵树新材料有限公司 Special leveling sand material for renovating low-carbon environment-friendly anti-cracking mildew-proof outer wall base and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115849780A (en) * 2022-12-02 2023-03-28 福建省三棵树新材料有限公司 Special leveling sand material for renovating low-carbon environment-friendly anti-cracking mildew-proof outer wall base and preparation method thereof

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