CN114525061A

CN114525061A - Natural color sand-free stone-like paint granite effect coating and construction method thereof

Info

Publication number: CN114525061A
Application number: CN202111604216.5A
Authority: CN
Inventors: 殷文迪; 高林; 潘建中; 王燕
Original assignee: Caparol China Co ltd
Current assignee: Caparol China Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-24
Anticipated expiration: 2041-12-24
Also published as: CN114525061B

Abstract

The invention belongs to the technical field of coatings, and particularly relates to a natural colored sand-free coating with a stone-like paint granite effect and a construction method thereof. The raw materials of the stone-like paint granite coating comprise: 15-20 parts of granulating liquid, 45-75 parts of toning sand-containing base paint and 15-35 parts of sand-containing continuous phase. The cost of the stone-like paint with the granite effect is far lower than that of water-coated sand, the overall construction cost is lower than that of stone paint, and the effect is obviously better than that of stone paint. The natural colored sand is replaced by the color mixing of the colorful color points, the whole covering power is good, the consumption is lower when the same color base is matched, and the risk of blooming is obviously reduced.

Description

Natural color sand-free stone-like paint granite effect coating and construction method thereof

Technical Field

The invention belongs to the technical field of coatings, and particularly relates to a natural colored sand-free coating with a stone-like paint granite effect and a construction method thereof.

Background

Nowadays, with the improvement of living standard, people continuously pursue quality of life. The residential building and the building are not only limited to simple granite and stone-like pattern coating. The requirement is more colorful, designability is strong, the exterior wall coating has three-dimensional texture, the environmental protection is ensured, and resources are saved. Driven by these demands, the market demand for textured real stone paints and multicolor coatings is increasing. The color of the real stone paint is derived from the matching of natural color sand, the limitation of the natural color sand is embodied in the blending of the color, and when the raw materials come from different regions, the color difference of the same product is caused, so that the visual impression effect is influenced. The particle size of the natural colored sand is difficult to control, the maximum particle size is 10-20 meshes, and a high-quality effect is difficult to achieve when a large color point needs to be imitated. The stone-like paint is difficult to clean due to gaps among the colored sand particles, and has poor self-cleaning property. Compared with the colorful water-coated sand coating, the colorful water-coated sand coating has a good color decoration effect, is strong in designability and has a wider color matching scheme than real stone paint. The surface of the coating is sealed by a paint film, and the self-cleaning performance is excellent. The multicolor paint system is unstable and has the following problems: 1. the color points are easy to shrink and bleed; 2. the sand-containing color points are easy to settle and delaminate; 3. the water resistance is poor, and the whitening, foaming and shedding are easy to occur; 3. the construction requirement is high, the spraying experience is insufficient, and color points are easy to stack in a fuzzy manner; 4. the color point hardness difference is flexible, and the construction mode that only spraying can be adopted is not easy to scrape, so that the construction is complicated.

Therefore, the stone-like paint is limited by the problem of natural colored sand, and the limitation that the color point hardness of the sand-in-water paint is poor and the construction is difficult is realized.

Disclosure of Invention

The invention aims to solve the problems of the real stone paint, such as the problems of the real stone paint, such as the color shading and the color shading, which are caused by the uneven mixing of the natural color sand and the source channels of the natural color sand. And the color is single, and the cost is higher due to high spraying consumption. The common sand-in-water multicolor paint has high construction requirements and a single construction method. The invention aims to develop a granite multicolor paint similar to real stone paint, which has richer color effect, lower cost and more various construction methods than the real stone paint while achieving the same texture effect as the real stone paint.

In order to achieve the above purpose, the first aspect of the present invention provides a stone-like paint granite coating without natural color sand addition, wherein quartz sand is added in color and continuous phases to improve the hardness and toughness of the stone-like paint granite coating, so that the coating consumption is reduced, and the stone-like paint granite coating can be scraped and sprayed in batches. The raw materials of the stone-like paint granite coating comprise:

15-20 parts of granulating liquid, 45-75 parts of toning sand-containing base paint and 15-35 parts of sand-containing continuous phase;

the granulation liquid comprises the following raw materials: 3-8 parts of colorful protective adhesive powder and 85-96 parts of water;

the sand-containing base paint comprises the following raw materials: 40-70 parts of water, 3-5 parts of filler, 20-30 parts of acrylic acid copolymer emulsion, 10-15 parts of colorful protective adhesive powder and 5-30 parts of quartz sand;

the raw material composition of the sand-containing continuous phase comprises: 3-6 parts of cellulose ether, 9-25 parts of water, 60-75 parts of acrylic emulsion and 5-20 parts of quartz sand;

the addition amount of the color paste of each color is 0-1 part by weight.

According to the invention, in the description of the usage amount of the color paste, the addition amount of the color paste of each color can be 0, and the obtained color point is a white color point; color paste of one color can be selected and added, such as black color paste 0.8 weight portion; color pastes of various colors can be selected and added, such as black color paste 0.2 weight parts, red color paste 0.3 weight parts, and yellow color paste 0.5 weight parts. When at least one color paste other than the white color paste is added, the obtained stone-like paint granite coating is a stone-like paint granite multicolor coating.

Preferably, the granulation liquid further comprises the following raw materials: 0.1-0.2 parts of bactericide.

Preferably, the raw material composition of the sand-containing base paint further comprises at least one of the following components: 0.5-1.5 parts of an antifreezing agent, 0.2-0.5 parts of a dispersing wetting agent, 0.3-0.6 parts of a defoaming agent, 1-1.5 parts of cellulose ether, 0.05-0.2 parts of a pH regulator, 0.5-1 part of glass beads and 0.2-0.3 parts of a bactericidal preservative.

Preferably, the raw material composition of the sand-containing continuous phase further comprises at least one of the following components: 0.1-0.2 part of defoaming agent, 2.5-3 parts of film-forming agent, 5-10 parts of antifreezing agent and 0.5-0.7 part of bactericide.

Preferably, the antifreezing agent is 1, 2-propylene glycol.

Preferably, the glass microspheres are thermoplastic microspheres with the particle size of less than or equal to 10 micrometers.

Preferably, the film forming agent is at least one selected from an alcohol ester film forming agent, an alcohol ether film forming agent and an alcohol ether ester film forming agent.

As a further preferable mode, the alcohol ester film former is at least one selected from the group consisting of lauryl alcohol ester, cetyl alcohol ester and stearyl alcohol ester.

As a further preferable scheme, the alcohol ether film former is ethylene glycol butyl ether and/or propylene glycol phenyl ether.

In a further preferred embodiment, the ether ester film-forming agent is at least one selected from the group consisting of ethylene glycol methyl ether acetate, ethylene glycol butyl ether acetate, propylene glycol methyl ether acetate, propylene glycol butyl ether acetate, butylene glycol butyl ether acetate and hexylene glycol butyl ether acetate.

Preferably, the multicolor protective glue powder is white powdery lithium magnesium silicate colloid material, can be hydrated and expanded in water to form colorless and transparent low-viscosity colloid, and has good wrapping performance and anti-settling effect on colored dots.

Preferably, the filler is at least one selected from titanium dioxide, kaolin and quartz sand.

Preferably, the cellulose ether is hydroxyethyl cellulose and/or nanocellulose.

According to the preferable scheme, the particle size of the quartz sand is 40-120 meshes, preferably 40-80 meshes and 80-120 meshes are adopted for compounding, and the dosage ratio of the quartz sand to the quartz sand is preferably 2: (2-4), such as 2: 3.

preferably, the weight ratio of the acrylic acid copolymerization emulsion to the acrylic acid emulsion is (10-20): (10-20).

The second aspect of the invention provides a construction method of the stone-like paint granite coating without adding natural colored sand, and the construction method is spraying or blade coating.

The spraying step may be: loading the main material coating into a colorful spray gun, adjusting the air pressure, and selecting a spray gun with a proper caliber according to the size of a colorful point; the spray width of the gun mouth is adjusted to be large, the discharge amount is adjusted to be moderate, and the material is slowly sprayed on a sample plate by a circle drawing method.

The knife coating step may be: the master paint was placed on a batch spatula and slowly batch scraped onto the sample plate at a 15 ° angle to the horizontal.

The principle and the beneficial effects of the technical scheme of the invention are as follows:

1) the cost of the stone-like paint with the effect similar to that of the stone-like paint is far lower than that of water-coated sand, the overall construction cost is lower than that of the stone-like paint, and the effect is obviously more abundant than that of the stone-like paint. The natural colored sand is replaced by the color mixing of the colorful color points, the whole covering power is good, the consumption is lower when the same color base is matched, and the risk of blooming is obviously reduced.

2) The stone-like paint with the stone-like effect has the characteristics of simple and convenient construction, excellent construction performance and vivid stone-like effect. The construction adopts a colorful spray gun or a batch scraper, the relative air pressure is small, atomization is not needed, the method is relatively friendly to people and environment, the batch scraper can be used for directly batch scraping, and the construction is simple and convenient. The color paste is artificially controlled to adjust color, and more colorful effect can be provided.

3) According to the invention, the natural colored sand is perfectly replaced by the quartz sand, the limitation of the natural colored sand requirement of the real stone paint is replaced, and the abundant adjustable colors are superior to the limitation of the colors of the real stone paint. The quartz sand is added in the construction aspect, so that the spraying consumption is greatly reduced, and the color point finished product has certain toughness and strength due to the fact that the continuous phase and the color point contain the sandstone in the construction aspect, so that the construction method is not limited to spraying, batch scraping construction can be carried out, the construction difficulty is greatly reduced, and a better stone imitation effect is achieved. In the invention, the colorful stone paint is preferably added with cellulose ether and hollow glass beads, has texture superior to that of water-coated sand and similar texture to real stone paint, and has certain heat insulation performance. Due to the special net structure of the nano-cellulose, the color dots have better suspension property and certain toughness in the granulating liquid. The hollow glass micro-beads have light specific gravity and large volume, so that the basis weight of the product can be greatly reduced, and the thin gas in the hollow glass micro-beads has certain sound insulation and heat insulation characteristics.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

FIG. 1 shows a photo of a finished product of the stone-like paint granite multicolor paint of example 1 of the present invention obtained by spraying construction.

FIG. 2 shows a photo of a finished product of the stone-like paint granite multicolor paint obtained by batch coating construction in example 2 of the present invention.

FIG. 3 shows a photo of a finished product obtained by spraying the stone-like paint granite multicolor paint of example 3 of the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In the embodiment of the invention, the quartz sand is derived from Vast Asia 40-80 meshes and 80-120 meshes of snow white in Suzhou, the silicon content is more than or equal to 99.98 percent, and the adding proportion is 40-80 meshes: 80-120 meshes is 2: 3.

example 1

The embodiment provides a natural color sand-free stone-like paint granite multicolor paint.

The real stone paint granite multicolor paint comprises the following raw materials: 20 parts of granulating liquid, 55 parts of toning sand-containing base paint and 25 parts of sand-containing continuous phase;

the granulation liquid comprises the following raw materials: 5 parts of rainbow WS20 multicolor protective glue powder and 95 parts of water;

the sand-containing base paint comprises the following raw materials: 40 parts of water, 1 part of titanium dioxide, 3 parts of calcined kaolin, 20 parts of Wanhua 8027 acrylic acid copolymer emulsion, 15 parts of rainbow WS20 colorful protective glue powder, 8 parts of quartz sand of 40-80 meshes, 12 parts of quartz sand of 80-120 meshes and 1 part of Nolon hollow glass microsphere;

the raw materials of the sand-containing continuous phase comprise: 5 parts of Valida S171C nano-cellulose, 15 parts of water, 70 parts of Vahua 8081 acrylic emulsion, 4 parts of Suzhou Va ya 40-80 meshes of snow white quartz sand and 6 parts of Suzhou Va ya 80-120 meshes of snow white quartz sand;

0.2 part by weight of famous black pulp and 0.8 part by weight of famous black pulp;

uniformly mixing and dispersing raw materials in the granulating liquid to obtain the granulating liquid;

uniformly mixing and dispersing all raw materials in the sand-containing base paint to obtain the sand-containing base paint;

mixing and dispersing all raw materials in the sand-containing continuous phase uniformly to obtain the sand-containing continuous phase;

mixing the sand-containing base paint according to the proportion of 12: 5: the proportion of 3 is divided into three parts which are respectively marked as A, B, C three components, wherein the addition amount of black paste in the component A is 0.2 part by weight as grey base paint, the component B is not added with color paste as white base paint, and the addition amount of black paste in the component C is 0.8 part by weight as black base paint.

Adding the three color-mixing base paints into a granulating liquid, slowly adjusting the rotating speed of a dispersion machine to 800-1200 rpm/min, and performing point-cutting granulation by using a four-blade paddle, wherein the longer the granulating time is, the faster the rotating speed is, the smaller the obtained color point is, the 800-turn point-cutting is 3min, the 1000-turn point-cutting is 4min, and the 1200-turn point-cutting is 5min to obtain the color point;

and mixing and dispersing the color points and the sand-containing continuous phase to obtain the true stone paint-like granite multicolor paint.

And (3) loading the stone-like paint granite multicolor paint into a multicolor spray gun with the caliber of 3.5mm for spraying to obtain a finished product as shown in figure 1.

Example 2

The real stone paint granite multicolor paint comprises the following raw materials: 15 parts of granulating liquid, 65 parts of toning sand-containing base paint and 20 parts of sand-containing continuous phase;

the granulation liquid comprises the following raw materials: 8 parts of rainbow WS20 multicolor protective glue powder and 92 parts of water;

the sand-containing base paint comprises the following raw materials: 40 parts of water, 4 parts of calcined kaolin, 25 parts of Wanhua 8027 acrylic acid copolymer emulsion, 10 parts of rainbow WS20 colorful protective glue powder, 8 parts of Suzhou Hanya 40-80 meshes of snow white quartz sand, 12 parts of Suzhou Hanya 80-120 meshes of snow white quartz sand and 1 part of Nolicon hollow glass bead;

the raw materials of the sand-containing continuous phase comprise: 4 parts of Valida S171C nano-cellulose, 16 parts of water, 70 parts of Vahua 8081 acrylic emulsion, 4 parts of Suzhou Va ya 40-80 meshes of snow white quartz sand and 6 parts of Suzhou Va ya 80-120 meshes of snow white quartz sand;

uniformly mixing and dispersing raw materials in the sand-containing base paint to obtain the sand-containing base paint;

And constructing the real stone-like paint granite multicolor paint in a batch scraping mode by using a batch scraper to obtain a finished product shown in figure 2.

Example 3

The real stone paint granite multicolor paint comprises the following raw materials: 20 parts of granulating liquid, 65 parts of toning sand-containing base paint and 15 parts of sand-containing continuous phase;

the sand-containing base paint comprises the following raw materials: 40 parts of water, 0.5 part of titanium dioxide, 3.5 parts of calcined kaolin, 20 parts of Wanhua 8027 acrylic acid copolymer emulsion, 15 parts of Fenghong WS20 colorful protective glue powder, 8 parts of Suzhou Vanda 40-80 meshes snow white quartz sand, 12 parts of Suzhou Vanda 80-120 meshes snow white quartz sand and 1 part of Nomon hollow glass bead;

the raw materials of the sand-containing continuous phase comprise: 6 parts of Valida S171C nano cellulose, 9 parts of water, 75 parts of Vanha 8081 acrylic emulsion, 4 parts of Suzhou Va ya 40-80 meshes snow white quartz sand, and 6 parts of Suzhou Va ya 80-120 meshes snow white quartz sand;

mixing the sand-containing base paint according to the proportion of 3: 1: the paint is characterized in that the paint is divided into three parts according to the proportion of 1, the three parts are respectively marked as A, B, C components, the component A is used as white base paint without adding color paste, the component B is used as black base paint with the addition of 0.8 part by weight of black paste, and the component C is used as gray base paint with the addition of 0.2 part by weight of black paste.

And (3) loading the stone-like paint granite multicolor paint into a multicolor spray gun with the caliber of 3.5mm for spraying to obtain a finished product as shown in figure 3.

Test example

The stone-like paint granite multicolor coatings obtained in the embodiments 1 and 3 are constructed in a spraying mode, the stone-like paint granite multicolor coating obtained in the embodiment 2 is constructed in a batch scraping mode, and the test is carried out by adopting the HG/T4343-2012 test standard, and the detection results are shown in Table 1.

TABLE 1

Detecting items	Example 1	Example 2	Example 3
				Initial in-tank conditions	Is normal	Is normal	Is normal
PH	9.02	8.89	8.78
				Initial viscosity, dps	94	95	96
Viscosity dps at 50 ℃ for 2 weeks	99	100	102
				Low temperature stability (3 cycles)	No deterioration	No deterioration	No deterioration
Initial water resistance	Normal, no white blistering	Normal, no white blistering	Normal, no white blistering
				Water resistance	Normal, no white blistering	Normal, no white blistering	Normal, no white blistering
Washing-resistant brush	By passing	By passing	By passing
				Artificial aging	By passing	By passing	By passing
Temperature change resistance of coating	Is normal	Is normal and normal	Is normal
				Workability	Easy construction	Easy construction	Easy construction
Construction color dot shape	Is not easy to break	Is not easy to break	Is not easy to break

While embodiments of the present invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. The natural color sand-free stone-like paint granite coating is characterized by comprising the following raw materials:

the addition amount of the color paste of each color is 0-1 part by weight.

2. The stone-like paint granite coating without natural color sand addition of claim 1,

the granulation liquid also comprises the following raw materials: 0.1-0.2 parts of a bactericide;

the raw material composition of the sand-containing base paint also comprises at least one of the following components: 0.5-1.5 parts of an antifreezing agent, 0.2-0.5 parts of a dispersing wetting agent, 0.3-0.6 parts of a defoaming agent, 1-1.5 parts of cellulose ether, 0.05-0.2 parts of a pH regulator, 0.5-1 part of glass beads and 0.2-0.3 parts of a bactericidal preservative;

the raw material composition of the sand-containing continuous phase also comprises at least one of the following components: 0.1-0.2 part of defoaming agent, 2.5-3 parts of film-forming agent, 5-10 parts of antifreezing agent and 0.5-0.7 part of bactericide.

3. The stone-like paint granite coating without natural color sand addition of claim 2,

the antifreezing agent is 1, 2-propylene glycol;

the glass microspheres are thermoplastic microspheres with the particle size of less than or equal to 10 micrometers;

the film forming agent is at least one of an alcohol ester film forming agent, an alcohol ether film forming agent and an alcohol ether ester film forming agent.

4. The stone-like paint granite coating without natural color sand addition of claim 3,

the alcohol ester film former is selected from at least one of dodecyl alcohol ester, hexadecyl alcohol ester and octadecyl alcohol ester;

the alcohol ether film-forming agent is ethylene glycol butyl ether and/or propylene glycol phenyl ether;

the ether ester film former is at least one selected from ethylene glycol methyl ether acetate, ethylene glycol butyl ether acetate, propylene glycol methyl ether acetate, propylene glycol butyl ether acetate, butanediol butyl ether acetate and hexanediol butyl ether acetate.

5. The stone-like paint granite coating without the addition of natural colored sand of claim 1 where the multicolor protective glue powder is a white powdery lithium magnesium silicate colloidal material.

6. The stone-like paint granite coating without natural color sand addition of claim 1, wherein the filler is selected from at least one of titanium dioxide, kaolin and quartz sand.

7. The stone-like paint granite coating without natural color sand addition of claim 1 where the cellulose ether is hydroxyethyl cellulose and/or nanocellulose.

8. The stone-like paint granite coating without the addition of natural colored sand as claimed in claim 1, wherein the particle size of the quartz sand is 40-120 meshes.

9. The stone-like paint granite coating without natural color sand addition of claim 1, wherein the weight ratio of the acrylic acid copolymer emulsion to the acrylic acid emulsion is (10-20): (10-20).

10. The method for applying the stone-like paint granite coating without adding natural colored sand as claimed in any one of claims 1 to 9, characterized in that the application method is spraying or blade coating.