CN115637067A - Nano real stone paint, preparation method thereof and real stone paint veneer exterior wall decorative plate - Google Patents
Nano real stone paint, preparation method thereof and real stone paint veneer exterior wall decorative plate Download PDFInfo
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Abstract
The invention discloses a nano real stone paint, a preparation method thereof and application thereof in real stone paint decorative surface exterior wall decorative plates, wherein the nano real stone paint comprises the following components in percentage by mass: 3, the slurry comprises, by weight, 9.4-13.4 parts of water, 0.18-0.2 part of cellulose, 0.1-0.15 part of multifunctional auxiliary agent AMP-95, 0.5-0.6 part of glycol, 0.6 part of film-forming auxiliary agent, 10-14 parts of organic modified inorganic silicate emulsion CM, and 0.05-0.1 part of preservative LXE. The inorganic modified silicate emulsion is used, so that the prepared stone-like paint has good low-temperature film-forming property and simple construction process, and compared with the traditional finishing process, the stone-like paint can save one finishing process, save materials, save time and labor, and has excellent hydrophobicity, stain resistance, fire resistance, corrosion resistance and weather resistance.
Description
Technical Field
The invention belongs to the technical field of building decoration materials, and particularly relates to a nano real stone paint, a preparation method thereof and application thereof to a real stone paint veneer exterior wall decoration plate.
The invention belongs to a 3.1 novel functional material industrial key direction in a 3 novel material industry in a strategic novel industrial catalog, namely a 3.1 novel functional material industry, and particularly relates to a 3.1.5 surface functional material, a functional coating, a novel coating material, an environment-friendly anticorrosive coating, an environment-friendly high-performance industrial coating and a fireproof flame-retardant coating.
Background
The heat-insulating decorative integrated board is a heat-insulating and decorative system placed on the surface of building wall body, and has the advantages of less heat bridge action, excellent heat-insulating effect, light weight, high strength, corrosion resistance, ageing resistance, wind pressure resistance, impact resistance and durability, and the appearance decorative layer adopts stone-like paint, so that the heat-insulating decorative integrated board has good fire-retardant property, and can be widely used in new construction and old wall renovation engineering.
Real mineral varnish veneer outer wall decorative board is a heat preservation decoration intergral template of surface coating real mineral varnish, and later than real mineral varnish application, it is higher to the finish requirement, and waterproof, fire prevention, the weatherability of the real mineral varnish of surface coating are equivalent to the effect and directly determine real mineral varnish veneer outer wall decorative board waterproof, fire prevention, weatherability. A plurality of real stone paint coatings are available on the market, and a finished surface layer has a lotus leaf hydrophobic effect by adding a hydrophobic agent into the coatings, but the coating has a short duration of the hydrophobic effect, the effect disappears in 2-3 months, and the recoatability is influenced (the adhesion between layers is poor when the coatings are brushed again); the fireproof performance of the material cannot be improved, and the carbon-based material of the traditional product is difficult to realize fireproof and low carbon; the carbon-based material is irradiated by ultraviolet rays, and the weather resistance is difficult to guarantee.
The existing stone-like paints in the market mostly use silicone-acrylic emulsion (such as Chinese patent 201510737542.1 and 201910559813.7), pure acrylic emulsion (such as Chinese patent 201510224768.1, 201810658094.X and 202110845464.2) or acrylic acid modified emulsion (such as Chinese patent 201810289893.4), and the performance is generally poor in practical application, which affects the beauty of the coating and the service life. The common problems of real stone paint such as efflorescence, blooming, water stain pollution, poor weather resistance and the like exist in the using process of the products.
Although the real mineral varnish veneer outer wall decorative board has realized the batch production operation of finish compared with traditional real mineral varnish, has reduced the influence of construction operation factor, the quality problem of finish itself still is the key that hinders real mineral varnish veneer outer wall decorative board quality improvement.
Disclosure of Invention
The invention provides a real stone paint with strong waterproof, fireproof and weather resistance, a preparation method thereof and a real stone paint veneer exterior wall decorative plate, aiming at solving the problem of poor performance of the existing real stone paint veneer exterior wall decorative plate.
The object of the invention is achieved in the following way:
a nano real stone paint comprises the following components in a mass ratio of 1:3, the slurry comprises, by weight, 9.4-13.4 parts of water, 0.18-0.2 part of cellulose, 0.1-0.15 part of multifunctional auxiliary agent AMP-95, 0.5-0.6 part of ethylene glycol, 0.6 part of film-forming auxiliary agent, 10-14 parts of organic modified inorganic silicate emulsion CM and 0.05-0.1 part of preservative LXE.
The color sand comprises 47 parts of snowflake white of 40-80 meshes, 5 parts of white marble of 20-40 meshes, 15 parts of white marble of 80-120 meshes, 2 parts of grey blue of 20-40 meshes, 4 parts of chrysanthemum yellow of 40-80 meshes and 2 parts of chrysanthemum yellow of 80-120 meshes.
The cellulose had a viscosity of 10W.
A preparation method of nano real stone paint comprises the following steps:
a. weighing the raw materials in proportion, adding water into a stainless steel drawn cylinder, adding cellulose at the rotating speed of 800 rpm, and stirring for 20min;
b. then adding multifunctional auxiliary AMP-95, ethylene glycol and film forming auxiliary agent in sequence, and stirring for 10min;
c. adjusting the rotating speed to 650 revolutions per minute, sequentially adding the organic modified inorganic silicate emulsion CM140 and the preservative LXE, and stirring for 10min to obtain slurry;
d. mixing color sand according to the mass ratio of mortar 3:1, pouring the mixture into the prepared slurry, and uniformly stirring to obtain the real stone paint.
A stone-like paint decorative surface for external wall is prepared from the fibre-reinforced calcium silicate substrate through coating uv priming paint on said substrate, uv solidifying, and grinding with sand paper until the surface of said substrate is flatSpraying 3.5kg/m of the stone-like paint of claim 1 2 And curing at normal temperature for 7d.
Coating uv primer 30-40g/m on the substrate 2 。
The sand paper is 600-mesh sand paper.
Compared with the prior art, the inorganic modified silicate emulsion is used, so that the prepared real stone paint has good low-temperature film-forming property and simple construction process, and compared with the traditional finishing process, the real stone paint can save one finishing process, save materials, save time and labor, and has excellent hydrophobicity, stain resistance, fire resistance, corrosion resistance and weather resistance.
Weather resistance effect analysis: after the stone-like paint is dried, the components of a paint film are inorganic, and the paint film is slower in aging than the traditional organic acrylic resin film forming material after being irradiated by ultraviolet rays, so that the weather resistance is better;
and (3) fire resistance analysis: after the stone-like paint is dried, the components of a paint film are inorganic substances, the inorganic substances are flame-retardant substances, and compared with the traditional organic acrylic resin film-forming substances, the stone-like paint has excellent fire resistance;
and (3) waterproof effect analysis: after the stone-like paint is dried, a paint film has a hydrophobic group with a lotus leaf surface effect, the wetting angle of water on the surface is small, the surface is difficult to wet, and the waterproof effect is obvious;
surface stain resistance effect analysis: after the stone-like paint is dried, a paint film has a hydrophobic group with a lotus leaf surface effect, the wetting angle of water on the surface is small, the surface is difficult to wet, and rainwater is difficult to adhere to the surface of a decorative surface in the use process of an outer wall, which cannot be achieved by the traditional stone-like paint decorative surface;
and (3) analysis of corrosion resistance: after the natural stone paint is dried, the components of a paint film are inorganic, bacteria and fungi microorganisms are difficult to breed and survive on the paint surface, and on the contrary, the bacteria and fungi microorganisms are easy to breed in the traditional organic film-forming natural stone paint.
Detailed Description
A nanometer real stone paint comprises the following components in a mass ratio of 1:3, the slurry comprises, by weight, 9.4-13.4 parts of water, 0.18-0.2 part of cellulose, 0.1-0.15 part of multifunctional auxiliary agent AMP-95, 0.5-0.6 part of glycol, 0.6 part of film-forming auxiliary agent, 10-14 parts of organic modified inorganic silicate emulsion CM and 0.05-0.1 part of preservative LXE; the color sand comprises 47 parts of snowflake white of 40-80 meshes, 5 parts of white marble of 20-40 meshes, 15 parts of white marble of 80-120 meshes, 2 parts of grey blue of 20-40 meshes, 4 parts of chrysanthemum yellow of 40-80 meshes and 2 parts of chrysanthemum yellow of 80-120 meshes; the cellulose preferably has a viscosity of 10W.
The preparation method of the fireproof stain-resistant real stone paint comprises the following steps:
a. preparing the raw materials according to the proportion, adding water into a pulling cylinder, mixing the raw materials by adopting a dispersion plate, adjusting the rotating speed of the dispersion plate to 800 revolutions per minute, adding cellulose, and stirring for 20min;
b. sequentially adding multifunctional assistant AMP-95, ethylene glycol and film forming assistant into a container, and continuously stirring for 10min;
c. adjusting the rotating speed of the dispersion disc to 650 revolutions per minute, sequentially adding the organic modified inorganic silicate emulsion CM140 and the preservative LXE, and continuously stirring for 10min to obtain slurry;
d. mixing color sand according to the mass ratio of mortar 3:1, pouring the mixture into the prepared slurry, and uniformly stirring to obtain the stone-like paint.
A real stone paint veneer exterior wall decorative plate is prepared by selecting a fiber reinforced calcium silicate substrate, coating uv primer on the substrate, uv curing, and polishing with abrasive paper until the surface of the substrate is flat, wherein the prepared real stone paint is 3.5kg/m 2 And curing at normal temperature for 7d.
Coating uv primer on the substrate according to the ratio of 30-40g/m 2 The dosage is evenly coated.
The selected sand paper is preferably 600-mesh sand paper when the surface of the substrate is polished to be flat by the sand paper.
Through the application of coating system, let the surface course of decorative board have not hydrophilic, and hydrophobic characteristic, in the use, the external water is difficult to wet the face meeting to reduce the influence of drenching with rain to the veneer (attached to of dust in the rainwater, the corruption scheduling problem of acid material in the rainwater).
Example 1
A nanometer real stone paint comprises the following components in a mass ratio of 1:3 and aggregate color sand, wherein the dosage of the color sand in the aggregate of each raw material machine in the slurry is shown in the following table 1. The preparation method of the fireproof stain-resistant real stone paint comprises the following steps: a. preparing raw materials according to a ratio, adding water into a pulling cylinder with a proper size, mixing the raw materials by using a dispersion disc, adjusting the rotating speed of the dispersion disc to 800 revolutions per minute, adding cellulose, and stirring for 20min; the pulling cylinder is mainly matched with equipment such as a dispersion machine, a grinding machine, an emulsifying machine and the like and is used as a stirring container for small batch production and for temporarily storing small batch materials; b. sequentially adding multifunctional adjuvant AMP-95, ethylene glycol and film-forming adjuvant into a container, and continuously stirring for 10min; c. adjusting the rotating speed of the dispersion disc to 650 revolutions per minute, sequentially adding the organic modified inorganic silicate emulsion CM140 and the preservative LXE, and continuously stirring for 10min to obtain slurry; d. mixing color sand according to the mass ratio of mortar 3:1, pouring the mixture into the prepared slurry, and uniformly stirring to obtain the stone-like paint.
TABLE 1
Example 2
The amounts of the fire-proof stain-resistant real stone paint raw materials are shown in the following table 2, and the preparation method is the same as that of example 1.
TABLE 2
Example 3
The amounts of the fire-proof stain-resistant real stone paint raw materials are shown in the following table 3, and the preparation method is the same as that of example 1.
TABLE 3
Comparative example 1
The amounts of the raw materials of the general real stone paint are shown in the following table 4, and the preparation method is the same as that of example 1.
TABLE 4
Comparative example 2
The amounts of the raw materials of the general real stone paint are shown in the following table 5, and the preparation method is the same as that of example 1.
TABLE 5
Comparative example 3
The amounts of the raw materials of the general real stone paint are shown in the following table 6, and the preparation method is the same as that of example 1.
TABLE 6
Protective finish
The amounts of the various raw materials used for the protective finishes are shown in Table 7 below and were prepared according to conventional latex paint manufacturing procedures.
TABLE 7
Performance test
The fire-proof stain-resistant real stone paint prepared in the examples 1 to 3 and the comparative examples 1 to 3 and the common real stone paint are respectively subjected to performance test, and the real stone paint is coated on a substrate to prepare a test sample plate in the performance test.
Firstly, selecting a first part of a fiber reinforced calcium silicate board meeting JC/T564.1-2018: the high-density (14.5 g/cm) substrate produced by Zhaoqing Sanle integrated house manufacturing company Limited is selected in the test 3 ) The non-asbestos calcium silicate board and other standard-meeting base boards can be selected.
The test calcium silicate plaques were cut to 200 × 300 mm size test plaques and uniformly coated with uv primer (commercially available) 30-40g/m 2 After being cured by a uv curing machine, 600 is adoptedAnd sanding the substrate to be flat by the sand paper.
On the treated substrate, 3.5kg/m of real stone paint for test is uniformly sprayed 2 And the normal temperature maintenance is carried out for 7 days, and the common real stone paint needs to be sprayed with 0.2kg/m of protective cover finish 2 。
The sample plate numbers and coating specifications of the various plates after treatment are shown in Table 8. 5 blocks are prepared when the sample plates with the numbers are sprayed; in order to allow all panels to be cured and dried under the same conditions, panels not coated with the overcoat were sprayed with the same weight of purified water.
TABLE 8
(1) Standard test standards, see table 9.
TABLE 9
(2) Appearance non-standard test:
soaking test: half of the sample is soaked in clear water for 72 hours at normal temperature. After 72h, the test panel was removed and observed: hydrophilicity, water whitening after soaking, water resistance recovery.
And (3) hydrophilicity evaluation: after the sample plate is taken out of water, observing the boundary condition between the water-soaking position and the non-water-soaking position of the paint surface, wherein the boundary is more hydrophilic when the boundary is closer to the upper part;
evaluation of whitening after soaking in water: after the sample plate is taken out of the water, observing the color conditions of the paint surface at the positions where the paint surface is soaked and not soaked;
evaluation of water-resistant recovery: and (5) simultaneously placing the sample plate outdoors, drying for 48h at normal temperature, and observing the recovery condition of the paint surface.
And (3) water spraying test: the sample plate was placed under water at an angle of 45 degrees and was inclined for 30 seconds, and the wetting condition of the sample plate surface and the condition of water droplets were observed.
Results of the Standard test
Watch 10
Results of Combustion Performance test
TABLE 11
Appearance non-standard test results
TABLE 12
Test results and analysis
The test results show that the real stone paint added with the organic modified inorganic silicate CM140 emulsion can enable the real stone paint veneer exterior wall decorative plate to achieve the following effects under the condition of no finish coat:
1. excellent water repellency: through water resistance evaluation, water soaking whitening evaluation, water resistance recovery and water spraying tests in the table 10 and the table 12, the stone-like paint veneer exterior wall decorative plate disclosed by the invention can realize surface lotus leaf hydrophobicity and no hydrophilicity compared with the traditional stone-like paint veneer exterior wall decorative plate.
2. Excellent stain resistance: the sunlight reflectance change rate test after the pollution of the table 10 can obviously show that the real stone paint veneer exterior wall decorative plate can reach the characteristic of excellent pollution resistance under the condition of not spraying the finish coat, and the traditional real stone paint veneer exterior wall decorative plate can only reach the characteristic after spraying the finish coat.
3. Fire resistance: through the combustion performance test of Table 11, the stone-like paint veneer exterior wall decorative plate can meet the A-level fire-proof requirement.
4. The weather resistance is good: through the tests of artificial weathering resistance and sunlight reflectance change rate after artificial weathering resistance of the exterior wall decorative plate 10, the real stone paint veneer exterior wall decorative plate disclosed by the invention can achieve the same weather resistance effect as the traditional real stone paint veneer exterior wall decorative plate sprayed with finish coat stone paint, and is superior to the traditional real stone paint veneer exterior wall decorative plate without the finish coat, so that the real stone paint veneer exterior wall decorative plate disclosed by the invention has excellent weather resistance.
5. The corrosion resistance is good: through the acid resistance, alkali resistance and salt spray resistance tests of the table 10, the real stone paint veneer exterior wall decorative plate disclosed by the invention can achieve the same corrosion resistance effect as the traditional real stone paint veneer exterior wall decorative plate sprayed with finish coat stone paint, and is superior to the traditional real stone paint veneer exterior wall decorative plate without the finish coat, so that the real stone paint veneer exterior wall decorative plate disclosed by the invention has excellent corrosion resistance.
6. The construction process is simple: the real stone paint veneer exterior wall decorative plate disclosed by the invention can meet the corresponding product technical requirements under the condition of not needing a finish coat, compared with the traditional finish coat process, the real stone paint can save one finish coat process, the process steps are simplified, the construction process is simple, materials are saved, and time and labor are saved.
Principle analysis:
1. and (3) weather resistance effect analysis: after the real stone paint is dried, the paint film components are inorganic, and the paint film is slower in aging compared with the traditional organic acrylic resin film forming matter after being irradiated by ultraviolet rays, so that the weather resistance is better;
2. and (3) analysis of fire resistance: after the stone-like paint is dried, the components of a paint film are inorganic substances, the inorganic substances are flame-retardant substances, and compared with the traditional organic acrylic resin film-forming substances, the stone-like paint has excellent fire resistance;
3. and (3) analyzing the waterproof effect: after the stone-like paint is dried, a paint film has a hydrophobic group with a lotus leaf surface effect, the wetting angle of water on the surface is small, the surface is difficult to wet, and the waterproof effect is obvious;
4. surface stain resistance effect analysis: after the stone-like paint is dried, a paint film has a hydrophobic group with a lotus leaf surface effect, the wetting angle of water on the surface is small, the surface is difficult to wet, and rainwater is difficult to adhere to the surface of a decorative surface in the use process of an outer wall, which cannot be achieved by the traditional stone-like paint decorative surface;
5. and (3) analysis of corrosion resistance: after the real stone paint is dried, the components of a paint film are inorganic, and bacteria and fungi microorganisms are difficult to breed and survive on the paint surface, but on the contrary, the bacteria and fungi microorganisms are easy to breed in the traditional organic film-forming real stone paint.
Claims (7)
1. A nanometer real stone paint is characterized in that: comprises the following components in percentage by mass 1:3, the slurry comprises, by weight, 9.4-13.4 parts of water, 0.18-0.2 part of cellulose, 0.1-0.15 part of multifunctional auxiliary agent AMP-95, 0.5-0.6 part of glycol, 0.6 part of film-forming auxiliary agent, 10-14 parts of organic modified inorganic silicate emulsion CM, and 0.05-0.1 part of preservative LXE.
2. The fire-resistant stain-resistant real stone paint as claimed in claim 1, wherein: the color sand comprises 47 parts of snowflake white of 40-80 meshes, 5 parts of white marble of 20-40 meshes, 15 parts of white marble of 80-120 meshes, 2 parts of grey blue of 20-40 meshes, 4 parts of chrysanthemum yellow of 40-80 meshes and 2 parts of chrysanthemum yellow of 80-120 meshes.
3. The nano real stone paint as claimed in claim 1, wherein: the cellulose had a viscosity of 10W.
4. The method for preparing nano real stone paint as claimed in any one of claims 1 to 3, wherein: comprises the following steps of (a) carrying out,
a. weighing the raw materials in proportion, adding water into a stainless steel drawing cylinder, adding cellulose at the rotating speed of 800 revolutions per minute, and stirring for 20min;
b. then adding multifunctional auxiliary agent AMP-95, ethylene glycol and film forming auxiliary agent in sequence, and stirring for 10min;
c. adjusting the rotating speed to 650 revolutions per minute, sequentially adding the organic modified inorganic silicate emulsion CM140 and the preservative LXE, and stirring for 10min to obtain slurry;
d. mixing color sand according to the mass ratio of mortar 3:1, pouring the mixture into the prepared slurry, and uniformly stirring to obtain the stone-like paint.
5. The utility model provides a real mineral varnish veneer outer wall decorative board which characterized in that: selecting a fiber-reinforced calcium silicate substrate, coating a uv primer on the substrate, after uv curing, sanding the substrate until the surface of the substrate is flat, and spraying 3.5kg/m of the real stone paint according to claim 1 2 And curing at normal temperature for 7d.
6. The stone-like paint veneer exterior wall decorative board of claim 5, characterized in that: coating uv primer 30-40g/m on the substrate 2 。
7. The stone-like paint veneer exterior wall decorative plate of claim 5, which is characterized in that: the sand paper is 600-mesh sand paper.
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| CN202211467968.6A CN115637067A (en) | 2022-11-22 | 2022-11-22 | Nano real stone paint, preparation method thereof and real stone paint veneer exterior wall decorative plate |
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| CN202211467968.6A CN115637067A (en) | 2022-11-22 | 2022-11-22 | Nano real stone paint, preparation method thereof and real stone paint veneer exterior wall decorative plate |
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| CN101696336A (en) * | 2009-10-23 | 2010-04-21 | 东华大学 | Novel environment-friendly heat insulating coating and preparation method thereof |
| CN103386800A (en) * | 2012-05-07 | 2013-11-13 | 山东绿环新型建材科技有限公司 | Calcium silicate board UV film pressure treatment process |
| CN104030604A (en) * | 2014-06-26 | 2014-09-10 | 中山蓝海洋水性涂料有限公司 | Environment-friendly weather-proof fouling-proof stone-like paint and preparation method thereof |
| CN114436616A (en) * | 2020-11-03 | 2022-05-06 | 湖南梨树园涂料有限公司 | Inorganic exterior wall mildew-proof stone-like paint |
-
2022
- 2022-11-22 CN CN202211467968.6A patent/CN115637067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696336A (en) * | 2009-10-23 | 2010-04-21 | 东华大学 | Novel environment-friendly heat insulating coating and preparation method thereof |
| CN103386800A (en) * | 2012-05-07 | 2013-11-13 | 山东绿环新型建材科技有限公司 | Calcium silicate board UV film pressure treatment process |
| CN104030604A (en) * | 2014-06-26 | 2014-09-10 | 中山蓝海洋水性涂料有限公司 | Environment-friendly weather-proof fouling-proof stone-like paint and preparation method thereof |
| CN114436616A (en) * | 2020-11-03 | 2022-05-06 | 湖南梨树园涂料有限公司 | Inorganic exterior wall mildew-proof stone-like paint |
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