CN113717582A - Interior wall coating for enhancing projection effect and preparation method thereof - Google Patents
Interior wall coating for enhancing projection effect and preparation method thereof Download PDFInfo
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- CN113717582A CN113717582A CN202111039290.7A CN202111039290A CN113717582A CN 113717582 A CN113717582 A CN 113717582A CN 202111039290 A CN202111039290 A CN 202111039290A CN 113717582 A CN113717582 A CN 113717582A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal 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
- 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
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention relates to an interior wall coating for enhancing projection effect and a preparation method thereof, wherein the interior wall coating is mainly prepared from the following components in parts by weight:
Description
Technical Field
The invention relates to an interior wall coating for enhancing a projection effect and a preparation method thereof, which are applied to the production field of interior wall coatings.
Background
In an office, whether a group meeting or a group discussion is performed, or a movie or a tv show is watched at home, there is a demand for a projection display. The projector can visually display the data and the data needed by the conference discussion, so that the team members can conveniently know the discussion content, and the conference quality is improved. The use of a projector also enables the cinema experience to be generally obtained at home. In the projector, it is necessary to project contents on a plane having a high reflectance to display the contents, and therefore, a projection screen coated with a high reflectance paint is generally used.
In some existing small-sized enterprises and many families, in order to save cost or facilitate drawing, and meanwhile, a projection screen is not purchased, an image is usually directly projected on a white wall, although the white wall can display the image, the reflection effect of common wall paint coated on the white wall is poor, so that the problems of low brightness, color distortion and the like of a projection picture can occur, and the projection display effect is influenced. The existing professional projection curtain is silvery, and although the projection effect is the best, the coating can cause the reflection of light from the wall surface if being directly applied to the wall surface, thereby easily causing eye fatigue in daily life of a family. Therefore, we cannot apply the coating for a projection screen directly to a wall surface. In addition, the cost of the coating for projection screens is much more expensive than that of general interior wall latex paints, and the coating is difficult to spread.
Therefore, it is desirable to provide an interior wall coating with enhanced projection effect, which can be used for wall projection and has excellent paint film performance, strong adhesion, smooth and uniform film layer and good reflection performance, and a preparation method thereof.
Disclosure of Invention
In order to overcome the defects of inapplicability to wall surfaces, high price, difficult popularization and the like of the existing coating for the projection curtain, the invention provides the interior wall coating for enhancing the projection effect and the preparation method thereof.
The technical scheme of the invention is as follows:
an interior wall coating for enhancing a projection effect is prepared from the following components in parts by weight:
the color effect enhancing powder is formed by mixing silver white pearlescent pigment and nano fumed silica according to the weight part ratio of 2.5-3.5:1, wherein the mesh number of the silver white pearlescent pigment is 1500-2000 meshes.
The interior wall coating with the enhanced projection effect has the advantages of excellent paint film performance, strong adhesive force, smooth and uniform film layer, good reflection performance and difficulty in cracking or falling off because mica powder, color effect enhancing powder and formaldehyde-removing styrene-acrylic emulsion are particularly added into the system and are matched with other components in the system in an optimal type and dosage proportion. The flaky mica powder is introduced into the paint system, so that the mica powder is stacked in the paint film in a laminated manner, and the color effect enhancing powder can be uniformly attached to the surface of the paint film. After the construction paint film is dried, the paint film has smooth hand feeling and excellent whiteness. Superfine silvery white pearlescent pigment in the color effect enhancement powder can improve the brightness of a projection light source, and the nanometer fumed silica can eliminate light of various interferences, so that the color reduction degree is more real during projection, and simultaneously, the visual angle can be increased, and the image quality of wall projection is better and more clear through the cooperation of the superfine silvery white pearlescent pigment and the nanometer fumed silica. The color effect enhancing powder has the effects of enhancing the light reflection performance and the color display effect of a paint film, and the formaldehyde-removing styrene-acrylic emulsion can improve the film forming quality of the paint, so that the coating has high compactness and good physical performance, and has the function of removing formaldehyde, and is green and environment-friendly.
The thickener is a nonionic water-soluble cellulose ether.
The preferable thickening agent mainly plays roles in thickening, water retention and paint adhesion improvement, and can obviously improve the construction performance and effect.
The nonionic water-soluble cellulose ether is hydroxyethyl cellulose.
The preferable nonionic water-soluble cellulose ether mainly plays a role in thickening, can improve the adhesive force of a coating, improve the construction viscosity and rheological property of the coating, improve the hand feeling of a paint film, and improve the water resistance of the paint film through hydrophobic modification.
The wetting agent is an environment-friendly nonionic emulsifying wetting agent.
Preferred wetting agents act to reduce the surface tension of the pigment filler and substrate, making the pigment and substrate more wettable to water.
The water-based dispersing agent is a sodium polycarboxylate dispersing agent, and the water-based defoaming agent is an organic silicon defoaming agent.
The preferred aqueous dispersant functions to reduce the time and energy required for the dispersion process and stabilize the dispersed pigment dispersion. The preferred aqueous defoamer is a silicone defoamer that acts primarily as a foam suppressor and reduces the generation of bubbles during high speed dispersion.
The titanium dioxide is rutile type titanium dioxide.
The optimized titanium dioxide provides high covering and filling functions, so that the contrast ratio of the paint can achieve the effect which can meet the requirements of superior products of the standard of the finish in the GB/T9756-2018 synthetic resin emulsion interior wall paint standard.
The mica powder is 800-mesh mica powder and 1200-mesh mica powder.
The preferred mica powder is used for improving the weather resistance of the paint film and preventing the paint film from discoloring.
The synthetic aluminum silicate is 1800-mesh 2200-mesh synthetic aluminum silicate.
The preferred synthetic aluminum silicates serve to enhance the storage properties of the coating, as well as to increase the fullness and hiding power of the coating film.
The quartz powder is 300-500-mesh quartz powder.
The preferred quartz powder acts to increase the adhesion of the paint film and the hardness of the paint film.
The pH adjustor was a low odor multifunctional amine neutralizer tested as grade 2 according to the paint product odor evaluation method (see https:// max. book118.com/html/2020/0930/5314200312003002. shtm).
The preferable pH regulator can regulate and stabilize the pH value of the system and is environment-friendly.
The anti-freezing agent is a high-boiling-point anti-freezing stabilizer, and the boiling point is 295-300 ℃.
The preferred antifreeze can be mixed with water in any proportion, changes the vapor pressure of cooling water after mixing, can reduce the freezing point of a system, and does not take the content of VOC into account.
The film-forming assistant is a high-boiling-point film-forming assistant, and the boiling point of the film-forming assistant is more than 290 ℃.
Preferred coalescents are capable of softening the emulsion polymer particles, fusing them together, and lowering the film-forming temperature.
The bactericide is 2-octyl-4-isothiazoline-3-ketone, and the mildew preventive is zinc pyrithione.
The preferred bactericide is 2-octyl-4-isothiazolin-3-one, has broad and efficient sterilization spectrum, and can effectively remove bacteria and fungi in the coating; the preferred anti-mold agent is zinc pyrithione, which primarily functions to prevent attack by latex type dry film mold.
The preparation method of the interior wall coating for enhancing the projection effect mainly comprises the following steps of sequentially carrying out:
(1) adding water and a thickening agent into a container of a dispersion machine, adjusting the dispersion rotation speed of the dispersion machine to 600-800r/min, then sequentially adding a pH regulator, a water-based dispersing agent, a wetting agent and a water-based defoaming agent which accounts for 1/2-2/3 of the total weight of the dispersion machine, and stirring for at least 15 min;
(2) adjusting the dispersion rotation speed to 1200-1400r/min, sequentially adding titanium dioxide, mica powder, synthetic aluminum silicate, quartz powder and color effect enhancing powder into the mixture obtained in the step (1), and stirring for at least 20min until the fineness is 45-60 mu m;
(3) adjusting the dispersion rotation speed to 800-1000r/min, adding a bactericide, a mildew preventive and the aldehyde-removing styrene-acrylic emulsion into the mixture obtained in the step (2), and stirring for at least 10 min;
(4) and (4) adjusting the dispersion rotation speed to 800-900r/min, adding an antifreezing agent, a film-forming aid and the remaining aqueous defoaming agent into the mixture obtained in the step (3), and stirring until the mixture is uniformly mixed to obtain the interior wall coating with the enhanced projection effect.
The preparation method of the interior wall coating for enhancing the projection effect is simple in steps, convenient to operate and easy to popularize.
Compared with the prior art, the method has the following advantages:
1) the interior wall coating with the enhanced projection effect has the advantages of excellent paint film performance, strong adhesive force, smooth and uniform film layer and good reflection performance by adding the mica powder, the color effect enhancing powder and the formaldehyde-removing styrene-acrylic emulsion in the system and matching with other components in the system in a preferable manner and the dosage proportion;
2) the preparation method of the interior wall coating for enhancing the projection effect is simple in steps, convenient to operate and easy to popularize.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the embodiments of the specification.
Example 1
The invention relates to an interior wall coating for enhancing a projection effect, which is mainly prepared from the following components in parts by weight:
the color effect enhancing powder is formed by mixing silver white pearlescent pigment and nano fumed silica according to the weight part ratio of 3:1, wherein the mesh number of the silver white pearlescent pigment is 1500-2000 meshes.
The thickener is a nonionic water-soluble cellulose ether.
The nonionic water-soluble cellulose ether is hydroxyethyl cellulose.
The wetting agent is an environment-friendly nonionic emulsifying wetting agent.
The water-based dispersing agent is a sodium polycarboxylate dispersing agent, and the water-based defoaming agent is an organic silicon defoaming agent.
The titanium dioxide is rutile type titanium dioxide.
The mica powder is 1000-mesh mica powder.
The synthetic aluminum silicate is 2000-mesh synthetic aluminum silicate.
The quartz powder is 400-mesh quartz powder.
The preparation method of the interior wall coating for enhancing the projection effect mainly comprises the following steps of sequentially carrying out:
(1) adding water and a thickening agent into a container of a dispersion machine, adjusting the dispersion rotation speed of the dispersion machine to 700r/min, then sequentially adding a pH regulator, a water-based dispersing agent, a wetting agent and a water-based defoaming agent which accounts for 3/5 of the total weight of the dispersion machine, and stirring for 15 min;
(2) adjusting the dispersion rotation speed to 1300r/min, sequentially adding titanium dioxide, mica powder, synthetic aluminum silicate, quartz powder and color effect enhancing powder into the mixture obtained in the step (1), and stirring for 20min to the fineness of 50 μm;
(3) adjusting the dispersion rotation speed to 900r/min, adding a bactericide, a mildew preventive and the aldehyde-removing styrene-acrylic emulsion into the mixture obtained in the step (2), and stirring for 10 min;
(4) and (4) adjusting the dispersion rotation speed to 850r/min, adding an antifreezing agent, a film-forming aid and the rest of the aqueous defoaming agent into the mixture obtained in the step (3), and stirring until the mixture is uniformly mixed to obtain the interior wall coating with the enhanced projection effect.
Example 2
The invention relates to an interior wall coating for enhancing a projection effect, which is mainly prepared from the following components in parts by weight:
the color effect enhancing powder is formed by mixing silver white pearlescent pigment and nano fumed silica according to the weight part ratio of 2.5:1, wherein the mesh number of the silver white pearlescent pigment is 1500-2000 meshes.
The thickener is a nonionic water-soluble cellulose ether.
The nonionic water-soluble cellulose ether is hydroxyethyl cellulose.
The wetting agent is an environment-friendly nonionic emulsifying wetting agent.
The water-based dispersing agent is a sodium polycarboxylate dispersing agent, and the water-based defoaming agent is an organic silicon defoaming agent.
The titanium dioxide is rutile type titanium dioxide.
The mica powder is 1200-mesh mica powder.
The synthetic aluminum silicate is 1800-mesh synthetic aluminum silicate.
The quartz powder is 500-mesh quartz powder.
The preparation method of the interior wall coating for enhancing the projection effect mainly comprises the following steps of sequentially carrying out:
(1) adding water and a thickening agent into a container of a dispersion machine, adjusting the dispersion rotation speed of the dispersion machine to 600r/min, then sequentially adding a pH regulator, a water-based dispersing agent, a wetting agent and a water-based defoaming agent which accounts for 2/3 of the total weight of the dispersion machine, and stirring for 18 min;
(2) adjusting the dispersion rotation speed to 1200r/min, sequentially adding titanium dioxide, mica powder, synthetic aluminum silicate, quartz powder and color effect enhancing powder into the mixture obtained in the step (1), and stirring for 22min to obtain a fineness of 60 μm;
(3) adjusting the dispersion rotation speed to 800r/min, adding a bactericide, a mildew preventive and the aldehyde-removing styrene-acrylic emulsion into the mixture obtained in the step (2), and stirring for 12 min;
(4) and (4) adjusting the dispersion rotation speed to 900r/min, adding an antifreezing agent, a film-forming aid and the rest of the aqueous defoaming agent into the mixture obtained in the step (3), and stirring until the mixture is uniformly mixed to obtain the interior wall coating with the enhanced projection effect.
Example 3
The invention relates to an interior wall coating for enhancing a projection effect, which is mainly prepared from the following components in parts by weight:
the color effect enhancing powder is formed by mixing silver white pearlescent pigment and nano fumed silica according to the weight part ratio of 3.5:1, wherein the mesh number of the silver white pearlescent pigment is 1500-2000 meshes.
The thickener is a nonionic water-soluble cellulose ether.
The nonionic water-soluble cellulose ether is hydroxyethyl cellulose.
The wetting agent is an environment-friendly nonionic emulsifying wetting agent.
The water-based dispersing agent is a sodium polycarboxylate dispersing agent, and the water-based defoaming agent is an organic silicon defoaming agent.
The titanium dioxide is rutile type titanium dioxide.
The mica powder is 800 meshes of mica powder.
The synthetic aluminum silicate is 2200 meshes of synthetic aluminum silicate.
The quartz powder is 300-mesh quartz powder.
The preparation method of the interior wall coating for enhancing the projection effect mainly comprises the following steps of sequentially carrying out:
(1) adding water and a thickening agent into a container of a dispersion machine, adjusting the dispersion rotation speed of the dispersion machine to 800r/min, then sequentially adding a pH regulator, a water-based dispersing agent, a wetting agent and a water-based defoaming agent which accounts for 1/2 of the total weight of the dispersion machine, and stirring for 20 min;
(2) adjusting the dispersion rotation speed to 1400r/min, sequentially adding titanium dioxide, mica powder, synthetic aluminum silicate, quartz powder and color effect enhancing powder into the mixture obtained in the step (1), and stirring for 25min to obtain a fineness of 45 μm;
(3) adjusting the dispersion rotation speed to 1000r/min, adding a bactericide, a mildew preventive and the aldehyde-removing styrene-acrylic emulsion into the mixture obtained in the step (2), and stirring for 18 min;
(4) and (4) adjusting the dispersion rotation speed to 800r/min, adding an antifreezing agent, a film-forming aid and the remaining aqueous defoaming agent into the mixture obtained in the step (3), and stirring until the mixture is uniformly mixed to obtain the interior wall coating with the enhanced projection effect.
Raw material information related in each example:
water: ordinary tap water;
thickening agent: hydroxyethyl cellulose, clainn HS 30000YP 2;
pH regulator: d, moderate MA-95;
water-based defoaming agent: Hangao/Kening NXZ
Aqueous dispersant: basf AA 4140;
titanium dioxide: python R-996;
mica powder: the double-moistening chemical industry is 800-mesh mica powder with 1200 meshes;
synthesizing aluminum silicate: the product can resist Europe 1800-;
quartz powder: 300-mesh 500-mesh quartz powder;
color effect enhancing powder: menokay chemical SKS-1500;
removing aldehyde and styrene-acrylic emulsion: rohm Haas;
an antifreezing agent: rodiya FT-68;
film-forming auxiliary agent: dow Coasol 290 Plus.
Experimental data:
firstly, detecting the physical property of the coating film
The detection method comprises the following steps:
solid content: according to the method for determining the solid content of the coating material of the standard GB-T1725-79 (89);
viscosity: according to the standard GB-T1723-1993 paint viscosity determination method;
preparing a coating film: according to the standard GB/T1727-1992 general preparation method of coating;
the contrast ratio, low-temperature film-forming property, washing resistance and freeze-thaw resistance of the coating are as follows: testing according to the requirements of the Standard GB/T9756-;
thermal storage stability: according to the standard GB/T6753.3-1986.
The detection results are as follows:
TABLE 1 film coating physical Properties test results
Secondly, detecting the projection performance of the coating film
The detection method comprises the following steps:
the projection performance of the coating film is as follows: and detecting the characteristic parameters of the screen according to the standard JB/T7809 projection screen and a measuring method. The detection results are as follows:
TABLE 2 film projection Property test results
As can be seen from the above tables 1-2, all data of the interior wall coating with the enhanced projection effect of the application all meet the superior standard of the finish paint of GB/T9756 + 2018 synthetic resin emulsion interior wall coating, and simultaneously meet the requirement of the D-type standard in GB/T13982 + 2011 reflection and transmission projection screen, and the interior wall coating has the advantages of excellent paint film performance, strong adhesive force, smooth and uniform film layer and good reflection performance.
The projection effect enhancing interior wall coating and the preparation method thereof according to the present invention are not limited to the above-mentioned embodiments, and any modification or replacement according to the principles of the present invention should be within the scope of the present invention.
Claims (10)
1. The utility model provides an interior wall coating of reinforcing projection effect which characterized in that: the adhesive is mainly prepared from the following components in parts by weight:
the color effect enhancing powder is formed by mixing silver white pearlescent pigment and nano fumed silica according to the weight part ratio of 2.5-3.5:1, wherein the mesh number of the silver white pearlescent pigment is 1500-2000 meshes.
2. The enhanced projection effect interior wall coating of claim 1, wherein: the thickener is a nonionic water-soluble cellulose ether.
3. The enhanced projection effect interior wall coating of claim 2, wherein: the nonionic water-soluble cellulose ether is hydroxyethyl cellulose.
4. The enhanced projection effect interior wall coating of claim 1, wherein: the wetting agent is an environment-friendly nonionic emulsifying wetting agent.
5. The enhanced projection effect interior wall coating of claim 1, wherein: the water-based dispersing agent is a sodium polycarboxylate dispersing agent, and the water-based defoaming agent is an organic silicon defoaming agent.
6. The enhanced projection effect interior wall coating of claim 1, wherein: the titanium dioxide is rutile type titanium dioxide.
7. The enhanced projection effect interior wall coating of claim 1, wherein: the mica powder is 800-mesh mica powder and 1200-mesh mica powder.
8. The enhanced projection effect interior wall coating of claim 1, wherein: the synthetic aluminum silicate is 1800-mesh 2200-mesh synthetic aluminum silicate.
9. The enhanced projection effect interior wall coating of claim 1, wherein: the quartz powder is 300-500-mesh quartz powder.
10. The method for preparing an interior wall coating material with an enhanced projection effect according to any one of claims 1 to 9, wherein: mainly comprises the following steps which are carried out in sequence:
(1) adding water and a thickening agent into a container of a dispersion machine, adjusting the dispersion rotation speed of the dispersion machine to 600-800r/min, then sequentially adding a pH regulator, a water-based dispersing agent, a wetting agent and a water-based defoaming agent which accounts for 1/2-2/3 of the total weight of the dispersion machine, and stirring for at least 15 min;
(2) adjusting the dispersion rotation speed to 1200-1400r/min, sequentially adding titanium dioxide, mica powder, synthetic aluminum silicate, quartz powder and color effect enhancing powder into the mixture obtained in the step (1), and stirring for at least 20min until the fineness is 45-60 mu m;
(3) adjusting the dispersion rotation speed to 800-1000r/min, adding a bactericide, a mildew preventive and the aldehyde-removing styrene-acrylic emulsion into the mixture obtained in the step (2), and stirring for at least 10 min;
(4) and (4) adjusting the dispersion rotation speed to 800-900r/min, adding an antifreezing agent, a film-forming aid and the remaining aqueous defoaming agent into the mixture obtained in the step (3), and stirring until the mixture is uniformly mixed to obtain the interior wall coating with the enhanced projection effect.
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Cited By (1)
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| CN115232520A (en) * | 2022-08-23 | 2022-10-25 | 广东嘉宝莉科技材料有限公司 | High-definition projection paint and preparation method thereof |
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Application publication date: 20211130 |