CN111073425A - Acid rain resistant elastic napping paint and preparation method thereof - Google Patents
Acid rain resistant elastic napping paint and preparation method thereof Download PDFInfo
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- CN111073425A CN111073425A CN201911394388.7A CN201911394388A CN111073425A CN 111073425 A CN111073425 A CN 111073425A CN 201911394388 A CN201911394388 A CN 201911394388A CN 111073425 A CN111073425 A CN 111073425A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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Abstract
The invention relates to the technical field of coatings, and discloses an acid rain resistant elastic napping paint which comprises the following components in percentage by mass: 10.0 to 20.0 percent of water; 0.6 to 1.0 percent of ammonium salt dispersant; 0.1 to 0.2 percent of wetting agent; 0.5 to 1.0 percent of defoaming agent; 1.0 to 1.5 percent of propylene glycol; 0.1 to 0.2 percent of pH regulator; 0.2 to 0.4 percent of bactericide; 0.3 to 0.5 percent of bentonite; 10.0 to 15.0 percent of rutile type titanium dioxide; 35 to 45 percent of precipitated barium sulfate; 0 to 0.5 percent of film forming additive; 35.0 to 40.0 percent of elastic emulsion; 0.4 to 1.0 percent of thickening agent. The invention is used on the wall body of an outdoor building, overcomes the defect of poor acid rain resistance of the existing elastic napping paint for the outer wall, has high elastic covering power performance and excellent acid rain resistance, and avoids the damage of acid rain, outer wall cracking and the like to the outer wall of the building.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an acid rain resistant elastic napping paint and a preparation method thereof, which are suitable for acid rain areas and used for protecting and decorating the surface of an outer wall of a building.
Background
The formation reason of acid rain is mainly caused by artificially discharging a large amount of acid substances into the atmosphere, and the acid rain in China is mainly formed by burning a large amount of coal with high sulfur content. In addition, exhaust gas emitted from various automobiles is also a significant cause of acid rain. A large amount of environmental monitoring data show that as acidic substances in the atmosphere are increased, cloud water above most regions of the earth is becoming acidic, and if the cloud water is not controlled, the area of an acid rain region is continuously enlarged, and the harm to human beings is increased day by day.
Atmospheric sulfur dioxide and nitrogen dioxide are the primary species for acid rain formation. In the acid rain composition, sulfuric acid accounts for 60%, nitric acid accounts for 32%, hydrochloric acid accounts for 6%, and the balance is carbonic acid and a small amount of organic acid. Acid rain can dissolve surface hardening cement of building materials (concrete, mortar and sand lime brick), and voids and cracks occur, so that the strength is reduced, the building is damaged, the service life of the building is shortened, urban appearance and landscape are influenced, and meanwhile, safety is possibly caused to generate danger.
The elastic napping paint has excellent decoration and protection performance, lasting flexibility and good elongation, can resist cracks of wall surfaces, and is widely applied to exterior wall buildings. However, the prior art has no acid rain resistance because the prior art has the rough surface paint containing calcium carbonate, silicate and aluminum silicate fillers. Therefore, it is necessary to develop an acid rain resistant elastic rough-finish paint, which can protect the exterior wall of the building from acid rain.
Disclosure of Invention
In view of the above problems, the present invention provides an acid rain resistant elastic rough lacquer and a preparation method thereof, which can provide a decorative effect and reduce damage to the outer wall of a building caused by acid rain, concrete cracking, etc.
In order to achieve the purpose, the invention adopts the following technical scheme:
the acid rain resistant elastic gigging paint comprises the following components in percentage by mass:
preferably, the emulsion is a pure acrylic elastic emulsion.
Preferably, the bentonite is a modified organic bentonite.
Preferably, the ammonium salt dispersant is an acrylic copolymer ammonium salt.
Preferably, the wetting agent is an environment-friendly wetting agent without APEO.
Preferably, the defoaming agent is a silicone-based defoaming agent.
Preferably, the pH adjusting agent is Dow AMP-95.
Preferably, the bactericide is a cason plus BIT bactericide.
Preferably, the titanium dioxide is rutile type titanium dioxide.
Preferably, the coalescent is eastman TEXANOL.
Preferably, the thickener is a low shear thickener.
The invention also aims to disclose a preparation method of the elastic napping paint, which comprises the following steps:
(1) adding water in a formula into a reaction container, sequentially adding an ammonium salt dispersing agent, a wetting agent, a half of defoaming agent, bentonite, propylene glycol and a pH regulator at a rotating speed of 300-500 rpm, and dispersing for 5 minutes;
(2) feeding rutile titanium white and barium sulfate at the rotating speed of 800-1000 rpm, and dispersing for 20-30 minutes at the rotating speed of 1000-1300 rpm; the fineness of quality inspection sampling inspection is less than or equal to 50 micrometers;
(3) sequentially adding the elastic emulsion, the film-forming assistant, the bactericide and the other half of the defoaming agent at the rotating speed of 500-800 r/min, and dispersing for 10 minutes;
(4) adding a thickening agent at the rotating speed of 800-1000 rpm, increasing the rotating speed along with the increase of the viscosity, and dispersing for 5 minutes; sampling and inspecting quality; and packaging after the product is qualified.
The technical principle of the invention is as follows: the traditional elastic rough finish paint uses a large amount of calcium carbonate, silicate and kaolin (aluminum silicate), and the pigment and filler are easy to react with acid, so that the elastic rough finish paint prepared by the pigment and filler is corroded by acid rain for a long time, and a paint film is easy to discolor, bubble and peel. The use of such inert fillers as barium sulfate in the present invention avoids such problems.
The invention adopts the excellent pure acrylic elastic emulsion, has good extensibility, can make up the cracking of the external wall base material of the building, and leads the base material to avoid the damage of acid rain.
The organic bentonite is an inorganic mineral/organic ammonium compound, takes bentonite as a raw material, and is prepared by inserting an organic covering agent through an ion exchange technology by utilizing the lamellar structure of montmorillonite in the bentonite and the characteristic that the lamellar structure can be swelled and dispersed into colloidal clay in water or an organic solvent. The organic bentonite can form gel in the coating resin, and has good thickening property, thixotropy, suspension stability, high-temperature stability, water resistance and chemical stability. Therefore, the organic bentonite can be used for preparing the high-thixotropy coating, and the galling effect can be achieved through construction.
Compared with the prior art, the invention has the following beneficial effects:
the elastic rough-finish paint has a decorative effect, and can reduce damage to the outer wall of a building caused by acid rain, concrete cracking and other factors.
Drawings
FIG. 1 is a graph showing the effect of the elastic paint prepared in example 1;
FIG. 2 is a graph showing the effect of the elastic gigging paint obtained in example 2;
FIG. 3 is a graph showing the effect of the elastic paint prepared in example 3.
Detailed Description
The present invention will be further described with reference to the following examples.
The embodiment of the invention adopts the following raw materials:
the dispersant is one or two of a Dow DRAFT OROTAN1618 or a Pasteur DISPEX CX4240 ammonium salt dispersant;
the wetting agent is one of the group consisting of Toureton EF-106 and ECOSURF BD-109;
the defoaming agent is one or the combination of two of basf Efka 2580 or ByK-019;
the pH regulator is Dow AMP-95;
the bactericide is Dow ROCIMA 631;
the bentonite is Haimax Benaqua 4000;
the titanium dioxide is Whitcloud rutile titanium dioxide 668 or Doynrutile 2195;
barium sulfate is nano 5AA or 20BC in Guizhou;
the film-forming auxiliary agent is Istman TEXANOL;
the elastic emulsion is Archsol 8015A or ELASTENE 2471;
the thickener is one or two of Dow ACRYSOL DR-72 or ACRYSOL DR-50.
Example 1
A preparation method of acid rain resistant elastic napping paint comprises the following specific steps:
(1) weighing 11 parts of water according to 100 parts by weight, and sequentially adding an ammonium salt dispersant DRAFT OROTAN1618 at the rotating speed of 300-500 r/min: 0.6 part of wetting agent TRITON EF-106: 0.1 part, defoamer Efka 2580: 0.3 part, 0.35 part of bentonite Benaqua 4000, 1.0 part of propylene glycol, and a pH regulator AMP-95: 0.25 part; dispersing for 5 minutes;
(2) feeding rutile titanium dioxide 668 at the rotating speed of 800-1000 rpm: 10.0 parts of barium sulfate 5 AA; 37.5 parts of the raw materials are dispersed for 20 to 30 minutes at the rotating speed of 1000 to 1300 revolutions per minute; the fineness of quality inspection sampling inspection is less than or equal to 50 micrometers;
(3) sequentially adding Archsol 8015A of elastic emulsion at the rotating speed of 500-800 r/min: 37 parts, coalescent TEXANOL: 0.5 part of bactericide ROCUM 631: 0.3 part of defoaming agent BYK-019: 0.3 part, after dispersing for 10 minutes;
(4) adding a thickener ACRYSOL DR-72 at the rotating speed of 800-1000 revolutions per minute: 0.6 part, ACRYSOLDR-50: 0.2 part, the rotating speed is increased along with the increase of the viscosity, and the dispersion is carried out for 5 minutes; sampling and inspecting quality; and packaging after the product is qualified.
Example 2
A preparation method of acid rain resistant elastic napping paint comprises the following specific steps:
(1) weighing 11 parts of water according to 100 parts by weight, and sequentially adding an ammonium salt dispersant DISPEX CX 4240: 0.6 parts, wetting agents ECOSURF BD-109: 0.1 part, defoamer Efka 2580: 0.3 part, 0.25 part of bentonite Benaqua 4000, 1.0 part of propylene glycol, and a pH regulator AMP-95: 0.25 part; dispersing for 5 minutes;
(2) feeding rutile titanium dioxide 668 at the rotating speed of 800-1000 rpm: 10.0 parts, barium sulfate 5 AA: 37.5 parts of the raw materials are dispersed for 20 to 30 minutes at the rotating speed of 1000 to 1300 revolutions per minute; the fineness of quality inspection sampling inspection is less than or equal to 50 micrometers;
(3) sequentially adding an elastic emulsion ELASTENE 2471: 37 parts, coalescent TEXANOL: 0.5 part of bactericide ROCUM 631: 0.3 part of defoaming agent BYK-019: 0.3 part, dispersing for 10 minutes;
(4) adding an ACRYSOL DR-72 as a thickening agent at the rotating speed of 800-1000 rpm: 0.6 part, ACRYSOLDR-50: 0.3 part, the rotating speed is increased along with the increase of the viscosity, and the dispersion is carried out for 5 minutes; sampling and inspecting quality; and packaging after the product is qualified.
Example 3
A preparation method of acid rain resistant elastic napping paint comprises the following specific steps:
(1) weighing 11 parts of water according to 100 parts by weight, and sequentially adding an ammonium salt dispersant DISPEX CX 4240: 0.6 part of wetting agent TRITON EF-106: 0.1 part, defoamer Efka 2580: 0.3 parts, 1.0 part of propylene glycol, bentonite benaquita 4000:0.3 part of pH regulator AMP-95: 0.25 part; dispersing for 5 minutes;
(2) feeding rutile titanium dioxide 668 at the rotating speed of 800-1000 rpm: 10.0 parts of barium sulfate 5 AA; 37.5 parts of the raw materials are dispersed for 20 to 30 minutes at the rotating speed of 1000 to 1300 revolutions per minute; the fineness of quality inspection sampling inspection is less than or equal to 50 micrometers;
(3) sequentially adding Archsol 8015A of elastic emulsion at the rotating speed of 500-800 r/min: 37 parts, coalescent TEXANOL: 0.5 part of bactericide ROCUM 631: 0.3 part of defoaming agent BYK-019: 0.3 part, dispersing for 10 minutes;
(4) adding a thickener ACRYSOL DR-72 at the rotating speed of 800-1000 revolutions per minute: 0.8 part, the rotating speed is increased along with the increase of the viscosity, and the dispersion is carried out for 5 minutes; sampling and inspecting quality; and packaging after the product is qualified.
The elastomeric gigging paints prepared in examples 1-3 were tested according to JG/T172-2014 elastomeric architectural coating standards and the results were as follows:
as can be seen from the above table, the acid rain resistant elastic napping paint of the embodiment meets the JG/T172-2014 standard.
The results of the tests with the various acids for the elastomeric galling paints obtained in examples 1 to 3 are as follows:
as can be seen from the above table, the acid rain resistant elastic gigging paint of the present embodiment has excellent acid rain resistant performance.
The working effects of the elastic rough finish prepared in examples 1 to 3 are shown in fig. 1 to 3, respectively, and it can be seen from these three working effect diagrams that the elastic rough finish prepared in examples 1 to 3 has good workability and rough finish effect.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The acid rain resistant elastic gigging paint is characterized by comprising the following components in percentage by mass:
2. the acid rain resistant elastomeric gigging paint of claim 1 wherein said emulsion is a pure acrylic elastomeric emulsion.
3. The acid rain resistant elastomeric napping paint according to claim 1, characterized in that the bentonite is a modified organic bentonite.
4. The acid rain resistant elastomeric gigging paint of claim 1 wherein said ammonium salt dispersant is an acrylic acid copolymer ammonium salt.
5. The acid rain resistant elastomeric gig paint of claim 1, wherein said wetting agent is an APEO-free, environmentally friendly wetting agent.
6. The acid rain resistant elastomeric gigging paint of claim 1 wherein said defoamer is a silicone based defoamer.
7. The acid rain resistant elastomeric gigging paint of claim 1, wherein said pH adjusting agent is dow AMP-95.
8. The acid rain resistant elastomeric gig paint of claim 1, wherein the biocide is a carbomer plus BIT biocide.
9. The acid rain resistant elastic napping paint according to claim 1, characterized in that the titanium dioxide is rutile type titanium dioxide; the film-forming auxiliary agent is Istmann TEXANOL; the thickener is a low shear thickener.
10. A process for the preparation of an elastomeric varnish according to any of the claims 1 to 9, comprising the following steps:
(1) adding water in a formula into a reaction container, sequentially adding an ammonium salt dispersing agent, a wetting agent, a half of defoaming agent, bentonite, propylene glycol and a pH regulator at a rotating speed of 300-500 rpm, and dispersing for 5 minutes;
(2) feeding rutile titanium white and barium sulfate at the rotating speed of 800-1000 rpm, and dispersing for 20-30 minutes at the rotating speed of 1000-1300 rpm; the fineness of quality inspection sampling inspection is less than or equal to 50 micrometers;
(3) sequentially adding the elastic emulsion, the film-forming assistant, the bactericide and the other half of the defoaming agent at the rotating speed of 500-800 r/min, and dispersing for 10 minutes;
(4) adding a thickening agent at the rotating speed of 800-1000 rpm, increasing the rotating speed along with the increase of the viscosity, and dispersing for 5 minutes; sampling and inspecting quality; and packaging after the product is qualified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394388.7A CN111073425A (en) | 2019-12-30 | 2019-12-30 | Acid rain resistant elastic napping paint and preparation method thereof |
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| CN201911394388.7A CN111073425A (en) | 2019-12-30 | 2019-12-30 | Acid rain resistant elastic napping paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113817381A (en) * | 2021-11-02 | 2021-12-21 | 河北三棵树涂料有限公司 | Weather-resistant waterproof elastic napping paint and preparation method thereof |
| CN116814164A (en) * | 2023-07-05 | 2023-09-29 | 立邦涂料（中国）有限公司 | Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof |
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|---|---|---|---|---|
| CN101921522A (en) * | 2010-08-09 | 2010-12-22 | 江苏大象东亚制漆有限公司 | Elastic napping coating for thermal insulating external wall |
| CN101955700A (en) * | 2009-09-08 | 2011-01-26 | 广东美涂士建材股份有限公司 | Acid rain resistant flexible outer wall emulsion paint |
| CN105670422A (en) * | 2014-11-19 | 2016-06-15 | 沈阳顺风新城建筑材料有限公司 | Environment-friendly rough coatings |
-
2019
- 2019-12-30 CN CN201911394388.7A patent/CN111073425A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955700A (en) * | 2009-09-08 | 2011-01-26 | 广东美涂士建材股份有限公司 | Acid rain resistant flexible outer wall emulsion paint |
| CN101921522A (en) * | 2010-08-09 | 2010-12-22 | 江苏大象东亚制漆有限公司 | Elastic napping coating for thermal insulating external wall |
| CN105670422A (en) * | 2014-11-19 | 2016-06-15 | 沈阳顺风新城建筑材料有限公司 | Environment-friendly rough coatings |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113817381A (en) * | 2021-11-02 | 2021-12-21 | 河北三棵树涂料有限公司 | Weather-resistant waterproof elastic napping paint and preparation method thereof |
| CN116814164A (en) * | 2023-07-05 | 2023-09-29 | 立邦涂料（中国）有限公司 | Crack-resistant texture surface coating with long-acting elastic retention rate and preparation method thereof |
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