CN115232518A - Silicon modified high-stain-resistance interior wall coating and preparation method thereof - Google Patents
Silicon modified high-stain-resistance interior wall coating and preparation method thereof Download PDFInfo
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- CN115232518A CN115232518A CN202210827626.4A CN202210827626A CN115232518A CN 115232518 A CN115232518 A CN 115232518A CN 202210827626 A CN202210827626 A CN 202210827626A CN 115232518 A CN115232518 A CN 115232518A
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated 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
- 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
-
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention relates to a silicon modified high stain-resistant interior wall coating and a preparation method thereof, wherein the silicon modified high stain-resistant interior wall coating comprises the following raw material components in parts by weight: 5-7 parts of hybrid silicon dispersoid, 0.4-0.6 part of silane coupling agent, 37-45 parts of filler, 23-26 parts of emulsion, 23-25 parts of water and 3-4.5 parts of functional assistant; wherein the hybrid silicon dispersion is formed by crosslinking an inorganic phase precursor, an organic phase precursor and a crosslinking agent. The paint film prepared by the paint has good washing and brushing resistance and low permeability, so that the paint surface can be kept clean for a long time.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a silicon modified high-stain-resistance interior wall coating and a preparation method thereof.
Background
At present, in the field of interior decoration, wall paper pasting or paint brushing on an indoor wall is generally selected. The latex paint is a paint variety with high selectivity in home decoration at present, and has the characteristics of environmental protection, attractive appearance, easiness in coating and the like. However, the pollution resistance of the wall surface coated with the emulsion paint is poor, and particularly in families with infants, the probability that the wall surface is polluted by stains is greatly improved. The existing middle-low end latex paint has poor density, so when stains are attached to the wall surface coated by the latex paint, the stains easily penetrate into the deep layer of the latex paint surface, and the wall surface is difficult to clean.
In order to solve the problems, the prior art improves the stain resistance of the latex paint by adding silicon dioxide, modified silicon dioxide or silica sol, but the addition of the components can increase the pigment volume concentration of the latex paint, thereby reducing the scrub resistance of a paint film, so that although the latex paint has high stain resistance, the scrub resistance of the latex paint is reduced, and the paint surface of the latex paint cannot be easily wiped or cleaned.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a silicon modified high stain resistance interior wall coating and a preparation method thereof, which can improve the stain resistance of latex on the premise of not reducing the scrubbing resistance of the latex paint.
In order to solve the technical problems, the invention adopts the technical scheme that:
in a first aspect, an embodiment of the present invention provides a silicon modified high stain-resistant interior wall coating material, which comprises the following raw material components in parts by weight:
5-7 parts of hybrid silicon dispersoid, 0.4-0.6 part of silane coupling agent, 37-45 parts of filler, 23-26 parts of emulsion, 23-25 parts of water and 3-4.5 parts of functional assistant;
wherein the hybrid silicon dispersion is formed by crosslinking an inorganic phase precursor, an organic phase precursor and a crosslinking agent.
According to the silicon modified high stain-resistant interior wall coating provided by the invention, the inorganic phase precursor and the organic phase precursor are crosslinked to form the hybrid silicon dispersoid, so that the paint film density of the silicon modified high stain-resistant interior wall coating is improved, the permeability is reduced, the paint surface is kept clean for a long time, and the flexibility of resin is improved by using boric acid as a crosslinking agent through the hybrid silicon dispersoid, meanwhile, the brittleness is reduced, and the washing and brushing resistance of the paint film is further enhanced.
Further, the inorganic phase precursor is tetraethoxysilane.
Further, the organic phase precursor is methyltrimethoxysilane.
Further, the crosslinking agent is boric acid.
Further, the filler comprises 12-15 parts of titanium dioxide, 4-6 parts of kaolin and 21-24 parts of calcium carbonate.
Further, the functional auxiliary agent comprises 0.15-0.3 part of pH regulator, 0.5-0.7 part of hydroxyethyl cellulose, 0.2-0.3 part of preservative, 0.8-1 part of wetting dispersant, 0.5-0.7 part of defoaming agent, 0.9-1.1 part of antifreeze agent and 0.3-0.4 part of thickening agent.
According to the description, the pH regulator mainly plays a role in maintaining and regulating the pH value of the whole system; the hydroxyethyl cellulose mainly provides the initial viscosity for the system and provides the storage stability for the later period of the coating; the preservative mainly plays a role in preventing corrosion and sterilizing the coating, and ensures the stability of the coating during long-term storage; the wetting dispersant can mainly generate a quick wetting effect on a coating system, and is beneficial to uniformly dispersing the pigment and the filler into the system. The defoaming agent mainly inhibits the generation of bubbles in the proofing process, changes the surface tension of the system, eliminates the generated bubbles and improves the compactness of the product system.
Further, the pH regulator is 2-amino-2-methyl-1-propanol, and the hydroxyethyl cellulose is nonionic water-soluble cellulose ether.
Further, the silane coupling agent is a vinyltris (. Beta. -methoxyethoxy) silane coupling agent.
According to the above description, the silane coupling agent mainly plays a role in improving the hardness of the paint film, and has a certain hydrophobic effect, which is helpful for improving the stain resistance of the paint film.
In a second aspect, an embodiment of the present invention provides a preparation method of a silicon modified high stain resistant interior wall coating, including the following steps:
(1) Sequentially adding hydroxyethyl cellulose and a pH regulator into water, and continuously dispersing for 5-7min;
(2) Adding antiseptic, wetting dispersant and defoaming agent, and continuously dispersing for 4-8min;
(3) Adding titanium dioxide, kaolin and calcium carbonate in sequence, and continuously dispersing for 15-20min;
(4) Adding the hybrid silicon dispersoid, the silane coupling agent and the emulsion, and then continuously dispersing for 3-5min;
(5) Adding an antifreeze agent and a thickening agent, and continuously dispersing for 9-15min until the system is a uniform white mixture without particles to obtain the coating.
Further, the hybrid silicon dispersion in the step (4) is prepared from an inorganic phase precursor, an organic phase precursor and a crosslinking agent through hydrolysis-copolycondensation-crosslinking reaction.
The technical effect provided by the second aspect is described with reference to the related description provided by the first aspect.
In a third aspect, the embodiment of the invention provides application of a high-gloss water-based epoxy curing agent in industrial coatings.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention by way of specific embodiments thereof.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below. It should be understood that the present invention may be embodied in various forms and should not be construed as limited to 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.
The silicon modified high stain resistant interior wall coating comprises the following raw material components in parts by weight:
5-7 parts of hybrid silicon dispersoid, 0.4-0.6 part of silane coupling agent, 37-45 parts of filler, 23-26 parts of emulsion, 23-25 parts of water, 0.15-0.3 part of pH regulator, 0.5-0.7 part of hydroxyethyl cellulose, 0.2-0.3 part of preservative, 0.8-1 part of wetting dispersant, 0.5-0.7 part of defoaming agent, 0.9-1.1 part of antifreeze agent and 0.3-0.4 part of thickening agent;
wherein the hybrid silicon dispersoid is formed by crosslinking an inorganic phase precursor, an organic phase precursor and a crosslinking agent. Preferably, the inorganic phase precursor is tetraethoxysilane, the organic phase precursor is methyltrimethoxysilane, and the crosslinking agent is boric acid.
Wherein, the filler comprises 12-15 parts of titanium dioxide, 4-6 parts of kaolin and 21-24 parts of calcium carbonate. Preferably, the titanium dioxide is rutile titanium dioxide, the kaolin is calcined kaolin, and the calcium carbonate is heavy carbonic acid.
Preferably, the pH regulator is 2-amino-2-methyl-1-propanol, and the hydroxyethyl cellulose is nonionic water-soluble cellulose ether; the silane coupling agent is vinyl tri (beta-methoxyethoxy) silane coupling agent; the preservative is a mixture of 5-chloro-2-methyl-4-isothiazoline-3-ketone and 2-methyl-4-isothiazoline-3-ketone in any proportion; the wetting dispersant is polyacrylic acid ammonium salt or sodium polyacrylate salt; the defoaming agent is mineral oil or organic silicon defoaming agent; the emulsion is styrene acrylate copolymer, and the antifreeze agent is glycerol ethoxylate antifreeze agent; the thickener is an associated polyurethane thickener.
A preparation method of a silicon modified high stain-resistant interior wall coating comprises the following steps:
(1) Sequentially adding hydroxyethyl cellulose and a pH regulator into water, and continuously dispersing for 5-7min;
(2) Adding antiseptic, wetting dispersant and defoaming agent, and continuously dispersing for 4-8min;
(3) Adding titanium dioxide, kaolin and calcium carbonate in sequence, and continuously dispersing for 15-20min;
(4) Adding the hybrid silicon dispersoid, the silane coupling agent and the emulsion, and then continuously dispersing for 3-5min;
(5) Adding an antifreeze agent and a thickening agent, and continuously dispersing for 9-15min until the system is a uniform white mixture without particles to obtain the coating.
The hybrid silicon dispersion in the step (4) is prepared from an inorganic phase precursor, an organic phase precursor and a crosslinking agent through hydrolysis-copolycondensation-crosslinking reaction. The specific preparation process comprises the following steps: mixing ethyl orthosilicate and methyltrimethoxysilane in a mass ratio of 1:1, stirring, heating to 60 ℃, dropwise adding a 1% boric acid aqueous solution, reacting for 5 hours, and preparing the hybrid silicon dispersion through hydrolysis-copolycondensation-crosslinking reaction.
Example 1
A silicon modified high stain resistant interior wall coating comprises the following raw material components in parts by weight:
5 parts of hybrid silicon dispersoid, 0.4 part of silane coupling agent, 12 parts of titanium dioxide, 6 parts of kaolin, 24 parts of calcium carbonate, 26 parts of emulsion, 23.25 parts of water, 0.15 part of pH regulator, 0.5 part of hydroxyethyl cellulose, 0.2 part of preservative, 0.8 part of wetting dispersant, 0.5 part of defoaming agent, 0.9 part of antifreeze agent and 0.3 part of thickening agent.
The preparation method of the coating comprises the following steps: (1) Pouring water into a dispersion cylinder according to the proportion, and after sequentially adding hydroxyethyl cellulose and a pH regulator into the water, controlling the rotation speed of the dispersion cylinder at 300-350r/min and continuously dispersing for 5-7min;
(2) Adding antiseptic, wetting dispersant and defoaming agent, adjusting the rotation speed of the dispersion cylinder to 350-450r/min, adjusting the rotation speed of the dispersion cylinder to 1200-1500r/min, and continuously dispersing for 4-8min;
(3) Adding titanium dioxide, kaolin and calcium carbonate in sequence, and then continuously dispersing and adjusting the rotating speed of the dispersing cylinder to 350-450r/min for 15-20min;
(4) Keeping the rotating speed of the dispersion cylinder at 500-650r/min, adding the hybrid silicon dispersion, the silane coupling agent and the emulsion, and continuously dispersing for 3-5min;
(5) Reducing the rotating speed of the dispersion cylinder to 450-500r/min, adding an antifreeze agent and a thickening agent, and continuously dispersing for 9-15min until the system is a uniform white mixture without particles to obtain the coating.
Example 2
This example differs from example 1 in the content of each component.
A silicon modified high stain resistant interior wall coating comprises the following raw material components in parts by weight:
6 parts of hybrid silicon dispersoid, 0.4 part of silane coupling agent, 14 parts of titanium dioxide, 5 parts of kaolin, 22 parts of calcium carbonate, 25 parts of emulsion, 23.7 parts of water, 0.2 part of pH regulator, 0.52 part of hydroxyethyl cellulose, 0.25 part of preservative, 0.9 part of wetting dispersant, 0.6 part of defoaming agent, 1 part of antifreeze agent and 0.3 part of thickening agent.
Example 3
This example differs from examples 1 and 2 in the content of each component.
A silicon modified high stain resistant interior wall coating comprises the following raw material components in parts by weight:
6 parts of hybrid silicon dispersoid, 0.5 part of silane coupling agent, 15 parts of titanium dioxide, 5 parts of kaolin, 21 parts of calcium carbonate, 25 parts of emulsion, 24.4 parts of water, 0.25 part of pH regulator, 0.6 part of hydroxyethyl cellulose, 0.3 part of preservative, 1 part of wetting dispersant, 0.6 part of defoaming agent, 1 part of antifreeze agent and 0.35 part of thickening agent.
Example 4
This example differs from examples 1, 2 and 3 in the content of the components.
A silicon modified high stain resistant interior wall coating comprises the following raw material components in parts by weight: 7 parts of hybrid silicon dispersoid, 0.6 part of silane coupling agent, 15 parts of titanium dioxide, 4 parts of kaolin, 21 parts of calcium carbonate, 23 parts of emulsion, 24.95 parts of water, 0.3 part of pH regulator, 0.65 part of hydroxyethyl cellulose, 0.3 part of preservative, 1 part of wetting dispersant, 0.7 part of defoaming agent, 1.1 part of antifreeze agent and 0.4 part of thickening agent.
Comparative example
The high stain-resistant interior wall coating containing silicon dioxide comprises the following raw material components in parts by weight:
6 parts of silicon dioxide, 0.5 part of silane coupling agent, 15 parts of titanium dioxide, 5 parts of kaolin, 21 parts of calcium carbonate, 24 parts of emulsion, 24.4 parts of water, 0.25 part of pH regulator, 0.6 part of hydroxyethyl cellulose, 0.3 part of preservative, 1 part of wetting dispersant, 0.6 part of defoaming agent, 1 part of antifreeze agent and 0.35 part of thickening agent.
The preparation method of the coating comprises the following steps: (1) Pouring water into a dispersion cylinder according to the proportion, and after sequentially adding hydroxyethyl cellulose and a pH regulator into the water, controlling the rotation speed of the dispersion cylinder at 300-350r/min and continuously dispersing for 5-7min;
(2) Adding antiseptic, wetting dispersant and defoaming agent, adjusting the rotation speed of the dispersion cylinder to 350-450r/min, adjusting the rotation speed of the dispersion cylinder to 1200-1500r/min, and continuously dispersing for 4-8min;
(3) Adding titanium dioxide, kaolin and calcium carbonate in sequence, and then continuously dispersing and adjusting the rotating speed of the dispersing cylinder to 350-450r/min for 15-20min;
(4) Keeping the rotating speed of the dispersion cylinder at 500-650r/min, and continuously dispersing for 3-5min after adding silicon dioxide, silane coupling agent and emulsion;
(5) Reducing the rotating speed of the dispersion cylinder to 450-500r/min, adding an antifreeze agent and a thickening agent, and continuously dispersing for 9-15min until the system is a uniform white mixture without particles.
The latex paints prepared in examples 1 to 4 and comparative examples were tested for scrub resistance according to GB/T9266-2009, evaluation of scrub resistance of architectural coatings, and for stain resistance and stain durability according to HG/T4756-2014, interior wall stain resistant latex paint. The results of the latex paint performance tests are shown in Table 1 below.
TABLE 1
From table 1, the silicon modified highly stain resistant interior wall coating of the present invention has high stain resistant effect and high scrubbing performance (> 10000 times). The comparative example had only a high stain-resistant effect and a scrub resistance of only 5000 times.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The silicon modified high stain-resistant interior wall coating is characterized by comprising the following raw material components in parts by weight:
5-7 parts of hybrid silicon dispersoid, 0.4-0.6 part of silane coupling agent, 37-45 parts of filler, 23-26 parts of emulsion, 23-25 parts of water and 3-4.5 parts of functional assistant;
wherein the hybrid silicon dispersion is formed by crosslinking an inorganic phase precursor, an organic phase precursor and a crosslinking agent.
2. The silicon modified high stain resistant interior wall coating material as claimed in claim 1, wherein: the inorganic phase precursor is tetraethoxysilane.
3. The silicon modified high stain resistant interior wall coating material according to claim 1 or 2, wherein: the organic phase precursor is methyl trimethoxy silane.
4. The silicon modified high stain resistant interior wall coating material of claim 3, wherein: the cross-linking agent is boric acid.
5. The silicon modified high stain resistant interior wall coating material as claimed in claim 1, wherein: the filler comprises 12-15 parts of titanium dioxide, 4-6 parts of kaolin and 21-24 parts of calcium carbonate.
6. The silicon modified high stain resistant interior wall coating material as claimed in claim 1, wherein: the functional assistant comprises 0.15-0.3 part of pH regulator, 0.5-0.7 part of hydroxyethyl cellulose, 0.2-0.3 part of preservative, 0.8-1 part of wetting dispersant, 0.5-0.7 part of defoamer, 0.9-1.1 part of antifreeze agent and 0.3-0.4 part of thickener.
7. The silicon modified high stain resistant interior wall coating material of claim 6, wherein: the pH regulator is 2-amino-2-methyl-1-propanol, and the hydroxyethyl cellulose is nonionic water-soluble cellulose ether.
8. The silicon modified high stain resistant interior wall coating material of claim 6, wherein: the silane coupling agent is vinyl tri (beta-methoxyethoxy) silane coupling agent.
9. A preparation method of the silicon modified high stain-resistant interior wall coating applied to any one of claims 1 to 8 is characterized by comprising the following steps:
(1) Sequentially adding hydroxyethyl cellulose and a pH regulator into water, and continuously dispersing for 5-7min;
(2) Adding antiseptic, wetting dispersant and defoamer, and continuously dispersing for 4-8min;
(3) Adding titanium dioxide, kaolin and calcium carbonate in sequence, and continuously dispersing for 15-20min;
(4) Adding the hybrid silicon dispersion, the silane coupling agent and the emulsion, and continuously dispersing for 3-5min;
(5) Adding an antifreeze agent and a thickening agent, and continuously dispersing for 9-15min until the system is a uniform white mixture without particles to obtain the coating.
10. The preparation method of the silicon modified high stain-resistant interior wall coating material as claimed in claim 9, wherein:
the hybrid silicon dispersion in the step (4) is prepared from an inorganic phase precursor, an organic phase precursor and a crosslinking agent through hydrolysis-copolycondensation-crosslinking reaction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210827626.4A CN115232518A (en) | 2022-07-13 | 2022-07-13 | Silicon modified high-stain-resistance interior wall coating and preparation method thereof |
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| CN202210827626.4A CN115232518A (en) | 2022-07-13 | 2022-07-13 | Silicon modified high-stain-resistance interior wall coating and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974273A (en) * | 2010-10-09 | 2011-02-16 | 广州市枫源化工有限公司 | Exterior wall coating and preparation method thereof |
| CN103992668A (en) * | 2014-05-28 | 2014-08-20 | 泉州三欣新材料科技有限公司 | Aluminum alloy umbrella skeleton surface coating as well as preparation and application method thereof |
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2022
- 2022-07-13 CN CN202210827626.4A patent/CN115232518A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974273A (en) * | 2010-10-09 | 2011-02-16 | 广州市枫源化工有限公司 | Exterior wall coating and preparation method thereof |
| CN103992668A (en) * | 2014-05-28 | 2014-08-20 | 泉州三欣新材料科技有限公司 | Aluminum alloy umbrella skeleton surface coating as well as preparation and application method thereof |
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