CN111393931A - Water-based easy-to-polish coloring filling primer and preparation method and application thereof - Google Patents
Water-based easy-to-polish coloring filling primer and preparation method and application thereof Download PDFInfo
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- CN111393931A CN111393931A CN202010291041.6A CN202010291041A CN111393931A CN 111393931 A CN111393931 A CN 111393931A CN 202010291041 A CN202010291041 A CN 202010291041A CN 111393931 A CN111393931 A CN 111393931A
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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
- C09D5/002—Priming 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention provides a water-based easy-to-polish coloring filling primer and a preparation method and application thereof, wherein the water-based easy-to-polish coloring filling primer comprises the following components by taking the total weight of the water-based easy-to-polish coloring filling primer as 100 percent: 4-10 wt% of metal self-crosslinking acrylic resin; 1-3 wt% of ethylene-vinyl acetate copolymer emulsion; 40 to 70 wt% of a filler; 4-13 wt% of an auxiliary agent; the glass transition temperature of the metal self-crosslinking acrylic resin is more than 40 ℃, the glass transition temperature of the ethylene-vinyl acetate copolymer emulsion is less than 10 ℃, and the water-based easy-to-polish coloring filling primer has the characteristics of environmental protection, easy polishing and color mixing.
Description
Technical Field
The invention relates to the technical field of wood lacquer, in particular to a water-based easy-to-polish coloring filling primer and a preparation method and application thereof.
Background
At present, the coloring of substrate grains in the market mainly adopts the glaze wiping, the construction is troublesome and time-consuming, meanwhile, the glaze contains a large amount of solvents, the drying is slow, the environment is polluted, and the filling function is not realized, for the plate with the grains, the simultaneous coloring and grain filling can not be realized, the texture part can not be remained on the common furniture primer, the surface is completely and easily ground, and the common furniture primer is not easy to color mixing due to the fact that the common furniture primer contains titanium dioxide, and the specific requirements of the client group with higher requirements can not be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a water-based easily-polished coloring filling primer and a preparation method and application thereof, so as to solve the problems that the substrate with lines cannot be simultaneously colored and filled with lines, and the common white base is difficult to color and the polishing property cannot meet the construction requirement in the prior art.
In order to achieve the above objects and other objects, the present invention includes the following technical solutions: the invention firstly provides a water-based sanding-easy coloring filling primer, which comprises the following components by taking the total weight of the water-based sanding-easy coloring filling primer as 100 percent: 4-10 wt% of metal self-crosslinking acrylic resin; 1-3 wt% of ethylene-vinyl acetate copolymer emulsion; 40 to 70 wt% of a filler; 4-13 wt% of an auxiliary agent; wherein the glass transition temperature of the metal self-crosslinking acrylic resin is more than 40 ℃, and the glass transition temperature of the ethylene-vinyl acetate copolymer emulsion is less than 10 ℃.
In one embodiment, the solid content of the metal self-crosslinking acrylic resin is 38-42%, and the film forming temperature of the metal self-crosslinking acrylic resin is greater than 30 ℃.
In one embodiment, the mass ratio of the metal self-crosslinking acrylic resin to the ethylene-vinyl acetate copolymer emulsion is (2.5-10): 1.
in one embodiment, the ethylene-vinyl acetate copolymer emulsion has a solids content of greater than 50%.
In one embodiment, the filler consists of talcum powder and heavy calcium carbonate according to a mass ratio of (1.5-2.5): 1.
In one embodiment, the auxiliary agent includes a plurality of pH adjusting agents, dispersing agents, defoaming agents, wetting agents, penetrating agents, film forming aids, thickening agents, polishing aids, and bactericides.
In one embodiment, the waterborne sanding coloring filler primer comprises the following raw material components in parts by weight, based on 100% of the total weight of the waterborne sanding coloring filler primer: 4-10 wt% of metal self-crosslinking acrylic resin, 1-3 wt% of ethylene-vinyl acetate copolymer emulsion, 15-30 wt% of water, 1-5 wt% of penetrating agent, 0.8-1.2 wt% of dispersing agent, 0.3-0.5 wt% of defoaming agent, 0.1-0.3 wt% of pH regulator, 2-4 wt% of grinding aid, 30-50 wt% of talcum powder, 10-20 wt% of heavy calcium carbonate, 0.5-1 wt% of film-forming aid, 0.3-0.5 wt% of wetting agent, 0.1-0.2 wt% of bactericide and 0.2-0.3 wt% of thickening agent.
In one embodiment, the water-based sanding coloring filling primer further comprises a coloring agent, and the content of the coloring agent is 1-8 wt% based on 100% of the total weight of the water-based sanding coloring filling primer.
In one embodiment, the colorant is an aqueous color paste.
In one embodiment, the aqueous color paste is any one or combination of yellow aqueous color paste, red aqueous color paste and black aqueous color paste.
The present invention also provides a process for preparing a waterborne sanding ready to color filler primer as described above, the process comprising the steps of: mixing the metal self-crosslinking acrylic resin, the ethylene-vinyl acetate copolymer emulsion and water to form a mixed solution; and dispersing the filler and the auxiliary agent in the mixed solution to obtain the water-based easy-to-polish coloring filling primer.
In one embodiment, the dispersing time is 15-20 min.
In one embodiment, the waterborne sanding-friendly pigmented filler primer has a fineness of 60 microns or less.
The invention also provides the application of the water-based easy-to-polish coloring filling primer on wood lacquer.
As mentioned above, the water-based easy-to-polish coloring filling primer is prepared by matching the metal self-crosslinking acrylic resin and the ethylene-vinyl acetate copolymer emulsion, and can be added with color pastes with different colors to color the substrate lines. The metal self-crosslinking acrylic resin has excellent polishing performance, the addition of the ethylene-vinyl acetate copolymer emulsion can enhance the strength of a paint film and the wrapping performance of a filler, the dosage of the filler is increased, the polishing performance of the primer is further enhanced, for the old-making process of the shallow-grained circuit board, the primer can effectively fill the grains of the substrate, and the grains are colored, so that the primer can be easily polished clean when the primer on the surfaces of the grains is removed, for the open process of the deep-grain plate, color paste can be added to be adjusted to the required color, then the plate is polished after thin spraying and drying, the surface can be easily polished clean to only leave the color in the grains of the substrate, meanwhile, the opening effect is not influenced, and the primer disclosed by the invention is directly sprayed, so that the construction is quick and convenient.
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FIG. 1 is a schematic flow chart of the preparation method of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 1. As shown in fig. 1, the present invention provides an aqueous easy-to-polish colored filling primer, which comprises a metal self-crosslinking acrylic resin, further, the metal self-crosslinking acrylic resin comprises a metal zinc self-crosslinking acrylic resin, the film forming temperature of the metal self-crosslinking acrylic resin may be greater than 30 ℃, the solid content of the metal self-crosslinking acrylic resin may be 38 to 42%, such as 38%, 39%, 40%, the glass transition temperature of the metal self-crosslinking acrylic resin may be greater than 40 ℃, further greater than 50 ℃, such as 56 ℃, the content of the metal self-crosslinking acrylic resin is, for example, 4 to 10% by weight, such as 4% by weight, 6% by weight, 8% by weight, 10% by weight, based on the total weight of the aqueous easy-to-polish colored filling primer, the viscosity of the metal self-crosslinking acrylic resin may be 1600 to 2500cP, the metal self-crosslinking acrylic resin can be acrylic emulsion, the fineness of the metal self-crosslinking acrylic resin is less than 35 micrometers, such as 30 micrometers and 25 micrometers, the pH value of the metal self-crosslinking acrylic resin can be 6.5-9, and the metal self-crosslinking acrylic resin can be JF9556 type resin. The metal self-crosslinking acrylic resin has high glass transition temperature, so that the metal self-crosslinking acrylic resin has super-strong quick drying property, excellent early polishing property and excellent initial blocking resistance.
The waterborne easy-to-polish coloring filling primer provided by the invention further comprises an ethylene-vinyl acetate copolymer emulsion (EVA emulsion) capable of enhancing the strength of a paint film, wherein the EVA emulsion is added to enhance the strength of the paint film, but because the EVA emulsion is relatively slow to dry and affects the polishing performance, the addition amount of the EVA emulsion in the waterborne easy-to-polish coloring filling primer is not too large, the ethylene-vinyl acetate copolymer emulsion is contained in the waterborne easy-to-polish coloring filling primer by taking the total weight of the waterborne easy-to-polish coloring filling primer as 100%, for example, the content of the ethylene-vinyl acetate copolymer emulsion is 1-3 wt%, for example, 1 wt%, 2 wt% and 3 wt%, and in one embodiment, the mass ratio of the metal self-crosslinking acrylic resin to the EVA emulsion can be controlled: the ethylene-vinyl acetate copolymer emulsion may have a solids content of greater than 50%, for example 53%, 54%, 55%. The viscosity of the EVA emulsion can be 3500-4500 cP, the pH can be 4.5-6.5, the glass transition temperature can be less than 10 ℃, such as 5 ℃ and 0 ℃, and the EVA emulsion can be DA-102H type emulsion. The EVA emulsion has high solid content, low glass transition temperature and good adhesion, can effectively wrap the filler in the primer and enhances the polishing performance of the primer.
The water-based easy-to-polish coloring filling primer provided by the invention also can comprise a filler, wherein the filler can be salts of barium, calcium, magnesium and aluminum, such as calcium carbonate, barium sulfate, talc, bentonite, quartz powder, calcium sulfate, magnesium silicate, kaolin, mica, silica, etc., the content of the filler can be, for example, 40 to 70 wt% based on 100 wt% of the total weight of the water-based sanding coloring filler primer, for example, 50 wt% and 65 wt%, the primer of the invention increases the dosage of the filler, can improve the polishing performance of the primer, in one embodiment, the filler may be a combination of talc and heavy calcium carbonate, the talc may have a mesh size of 800 to 2000 mesh, for example, 1250 meshes, the mesh number of the heavy calcium carbonate can be 800-2000 meshes, for example, 1250 meshes, and the mass ratio of the talcum powder to the heavy calcium carbonate can be (1.5-2.5): according to the invention, through the matching of different qualities of the talcum powder and the heavy calcium carbonate, the primer can be ensured to have certain polishing performance and filling performance.
In order to improve the overall performance of the primer, the primer can further comprise various additives, wherein the additives include, but are not limited to, pH regulators, dispersants, defoaming agents, wetting agents, penetrating agents, film forming additives, thickening agents, polishing additives and bactericides.
Specific examples of the pH adjuster include, but are not limited to, basic compounds, and may further include commercially available AMP-95 auxiliary agents to adjust the pH of the primer and to improve wettability. The content of the pH regulator can be 0.1-0.3 wt%, for example 0.2 wt%, based on 100 wt% of the total weight of the water-based sanding easy-coloring filling primer.
Specific examples of such dispersants may include products selected from the ByK (Germany BYK) dispersant series, such as one or any combination of the above selected from the group consisting of ByK-154, ByK-022S, ByK-9076, ByK-W940, ByK-164, ByK-168, ByK-170, ByK-180, ByK-182, ByK-190, ByK-191, ByK-192, ByK-193, ByK-2022, ByK-2025, and ByK-2050. Such as bike-190, bike-191, bike-192. The dispersant may be present in an amount of 0.8 to 1.2 wt%, for example 0.8 wt%, 1.0 wt%, based on 100 wt% of the total weight of the water-based sanding ready-to-color filling primer.
The defoaming agent is, for example, a polyether siloxane defoaming agent having a polyether siloxane structure, and specific examples may include products selected from diko (TEGO, germany) defoaming agents series, such as any one selected from diko 901W, diko 902W, diko 936, diko 810, diko 830, or any combination thereof. Such as diheight 902W, diheight 810. The content of the defoaming agent can be 0.3-0.5 wt%, for example 0.4 wt%, based on the total weight of the water-based sanding easy-coloring filling primer being 100%.
The waterborne sanding-friendly colored filling primer also comprises a wetting agent for reducing the surface tension of a paint film and improving the wettability of a substrate, wherein the total weight of the waterborne sanding-friendly colored filling primer is 100%, and the content of the wetting agent is 0.3-0.5 wt%, for example 0.4 wt%. The humectant is, for example, a silicone humectant of silicone construction, specific examples of which include those selected from the digan (TEGO, Germany) humectant series, such as any one or any combination of digan 240, digan 250, digan 260, digan 265, digan 270, digan 280, digan 500, digan 505, digan 510, digan 4000 and digan 4100. Such as digao 270, digao 4000, digao 4100.
The water-based easy-to-polish colored filling primer of the invention further comprises a penetrating agent for improving the wettability, permeability and leveling property of the water-based easy-to-polish colored filling primer on the wood surface, wherein the content of the penetrating agent is, for example, 1 to 5 wt%, such as 2 wt% and 4 wt%, based on the total weight of the water-based easy-to-polish colored filling primer being 100%. The penetrant is, for example, an anionic silicone wetting penetrant, and specific examples include xerophthalmus (Silok)8141 or xerophthalmus 8008, and a rapid penetrant T of Dongtai.
The water-based easy-to-polish coloring filling primer also comprises a film-forming assistant, wherein the content of the film-forming assistant is, for example, 0.5-1 wt%, for example, 0.8 wt% and 1 wt%, based on 100% of the total weight of the water-based easy-to-polish coloring filling primer. Specific examples include: one or 2 combinations of DPM, DPNB, TPM, TM-2, DB, etc. The water-based sanding-easy coloring filling primer also comprises a thickening agent, and the content of the thickening agent is, for example, 0.2-0.3 wt%, for example, 0.2 wt%, based on the total weight of the water-based sanding-easy coloring filling primer being 100%. Specific examples include: dow 2020, 8w, Japanese UH-752, Haiming 351 and so on or 2 combinations thereof.
The water-based easy-to-polish colored filling primer also comprises a polishing assistant, wherein the content of the polishing assistant is, for example, 2-4 wt%, for example, 3 wt%, and the polishing assistant can be, for example, solid zinc stearate 3T-400, based on 100% of the total weight of the water-based easy-to-polish colored filling primer.
The water-based sanding-easy coloring filling primer can also comprise a bactericide, wherein the content of the bactericide is 0.1-0.2 wt%, such as 0.1 wt%, based on 100% of the total weight of the water-based sanding-easy coloring filling primer, the bactericide can be water-based low-toxicity bactericide, such as CI-15HS, and the bactericide can prevent the paint from deteriorating.
In order to color the primer, the primer may further include a colorant, the colorant may be an aqueous color paste, the content of the colorant is, for example, 1 to 8 wt%, for example, 3 wt%, and 5 wt%, based on 100% of the total weight of the aqueous easy-to-polish-color-fill primer, the aqueous color paste may be, for example, prepared by blending yellow, red, and black color pastes commonly used for woodware according to a required color, and of course, in order to obtain more colors, other color pastes may also be used for mixing and color mixing, and the aqueous color paste may include, for example, a TSE-L R type color paste.
The present invention also provides a method of preparing a waterborne sanding ready to color filler primer as described above, the method comprising the steps of S1 to S2:
s1: mixing the metal self-crosslinking acrylic resin, the ethylene-vinyl acetate copolymer emulsion and water to form a mixed solution; s2: and dispersing the filler and the auxiliary agent in the mixed solution to obtain the water-based easy-to-polish coloring filling primer.
In step S1, the mixing may be stirring mixing, for example, the metal self-crosslinking acrylic resin, the EVA emulsion and water are added into a mixing container to be stirred, and the stirring speed may be 400 to 600 r/min.
In step S2, the dispersing may also be stirring mixing, the mixing may be, for example, adding a penetrant, a dispersant, an antifoaming agent, a pH adjuster, a grinding aid, and a filler sequentially under stirring to obtain a dispersion, the stirring speed may be 1000 to 1500r/min, the stirring time may be 15 to 20min, the fineness of the dispersion may be tested after the stirring is completed, the fineness of the dispersion may be less than or equal to 60 micrometers, and poor control of the fineness may affect the flatness of a paint film.
In step S2, a film forming aid, a wetting agent, a bactericide, and a thickener may be further added to the dispersion in this order under stirring to obtain the aqueous sanding-ready colored filling primer.
In some embodiments, for the open process of the deep texture plate, the primer can also comprise water-based color paste which can be mixed with water and then blended into a required color for use.
The invention also provides application of the water-based easy-to-polish coloring filling primer in the field of wood lacquer. The water-based easy-to-polish coloring filling primer prepared by the invention has excellent polishing performance, can be added with color pastes with different colors, can be used for coloring the substrate grains, has the advantages of environmental protection, economy, color adjustment and the like, and has good application prospect in the field of wood lacquer.
Note that "%" and "part(s)" shown herein mean "% by mass" and "part(s) by mass", respectively, unless otherwise specified.
Hereinafter, the present invention will be more specifically explained by referring to examples, which should not be construed as limiting. Appropriate modifications may be made within the scope consistent with the gist of the present invention, and all of them fall within the technical scope of the present invention.
In one embodiment, a method for preparing a waterborne sanding-friendly pigmented filling primer includes the steps of: adding acrylic resin, EVA emulsion and water into a container, starting stirring, then sequentially adding a penetrating agent, a dispersing agent, a defoaming agent, a pH regulator, a polishing auxiliary agent, talcum powder and heavy calcium, dispersing for 15-20 min at a high speed, testing the fineness to be less than or equal to 60 micrometers, and finally sequentially adding a film-forming auxiliary agent, a wetting agent, a bactericide and a thickening agent to obtain the water-based easy-polishing coloring filling primer sample 1.
Samples 2 to 6, and comparative samples 1 to 2 were prepared in the same manner as described above, and the specific formulations of the samples are shown in Table 1.
TABLE 1 formulation tables for samples 1-6 and comparative samples 1-2
The performance of samples 1 to 6 and comparative samples 1 to 2 was evaluated, and the evaluation results are shown in Table 2.
TABLE 2 Performance comparisons of samples 1-6 and comparative samples 1-2 with commercially available plain white background and glaze
The test results of the samples 1-6 show that the samples 1-6 have good paint film appearance and polishing performance, the drying time is influenced and the polishing performance is directly influenced due to the fact that the content of the EVA emulsion in the comparison sample 1 is too large, and the content of the metal self-crosslinking acrylic resin in the comparison sample 2 is too low, so that the powder cannot be effectively wrapped, the paint film is too loose, and the adhesive force to a base material is reduced.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value. The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The water-based easy-to-polish coloring filling primer is characterized in that: the waterborne sanding-friendly colored filling primer comprises the following components by taking the total weight of the waterborne sanding-friendly colored filling primer as 100 percent:
4-10 wt% of metal self-crosslinking acrylic resin;
1-3 wt% of ethylene-vinyl acetate copolymer emulsion;
40 to 70 wt% of a filler;
4-13 wt% of an auxiliary agent;
wherein the glass transition temperature of the metal self-crosslinking acrylic resin is more than 40 ℃, and the glass transition temperature of the ethylene-vinyl acetate copolymer emulsion is less than 10 ℃.
2. The aqueous sanding-friendly colored filled primer according to claim 1 characterized by: the solid content of the metal self-crosslinking acrylic resin is 38-42%, and the film forming temperature of the metal self-crosslinking acrylic resin is higher than 30 ℃.
3. The aqueous sanding-friendly colored filled primer according to claim 1 characterized by: the solid content of the ethylene-vinyl acetate copolymer emulsion is more than 50 percent.
4. The aqueous sanding-friendly colored filled primer according to claim 1 characterized by: the filler consists of talcum powder and heavy calcium according to a mass ratio of (1.5-2.5) to 1.
5. The aqueous sanding-friendly colored filled primer according to claim 1 characterized by: the auxiliary agent comprises a plurality of pH regulators, dispersing agents, defoaming agents, wetting agents, penetrating agents, film forming auxiliary agents, thickening agents, polishing auxiliary agents and bactericides.
6. The aqueous sanding-friendly colored filled primer according to claim 1 characterized by: the water-based sanding coloring filling primer further comprises a coloring agent, and the content of the coloring agent is 1-8 wt% based on 100% of the total weight of the water-based sanding coloring filling primer.
7. A process for preparing a waterborne sanding-ready pigmented filling primer according to any of claims 1 to 6 comprising the steps of: mixing the metal self-crosslinking acrylic resin, the ethylene-vinyl acetate copolymer emulsion and water to form a mixed solution; and dispersing the filler and the auxiliary agent in the mixed solution to obtain the water-based easy-to-polish coloring filling primer.
8. The method of claim 7, wherein: the dispersion time is 15-20 minutes.
9. The method of claim 7, wherein: the fineness of the water-based easy-to-polish coloring filling primer is less than or equal to 60 micrometers.
10. Use of a waterborne sanding-friendly pigmented filling primer as defined in any one of claims 1 to 6 in wood paints.
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| CN113088165A (en) * | 2021-03-30 | 2021-07-09 | 安徽国风塑业股份有限公司 | Online coating water-based primer coating and polyester film containing primer |
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| CN108250861A (en) * | 2016-12-28 | 2018-07-06 | 河北晨阳工贸集团有限公司 | A kind of clear priming paint of aqueous wooden ware and preparation method thereof |
| CN110154186A (en) * | 2019-04-09 | 2019-08-23 | 中国林业科学研究院林业新技术研究所 | A kind of aqueous wood stain and color method |
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| CN113088165A (en) * | 2021-03-30 | 2021-07-09 | 安徽国风塑业股份有限公司 | Online coating water-based primer coating and polyester film containing primer |
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