CN112341927A - Quick-drying single-component plastic primer and preparation method thereof - Google Patents
Quick-drying single-component plastic primer and preparation method thereof Download PDFInfo
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- CN112341927A CN112341927A CN202011219798.0A CN202011219798A CN112341927A CN 112341927 A CN112341927 A CN 112341927A CN 202011219798 A CN202011219798 A CN 202011219798A CN 112341927 A CN112341927 A CN 112341927A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
-
- 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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- 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
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a quick-drying single-component plastic primer which comprises, by weight, 30-50 parts of polyurethane modified acrylic resin, 10-20 parts of butyl acetate, 0.5-1 part of a wetting dispersant, 15-20 parts of nano barium sulfate, 18-25 parts of titanium dioxide, 0.1-1 part of hydrophobic modified fumed silica, 0.2-1 part of carbon black and 0.1-1 part of anti-settling wax. The quick-drying single-component plastic primer disclosed by the invention has the advantages that the quick-drying single-component plastic primer is easy to construct, has good appearance and leveling property, is flat and smooth in appearance, is quickly dried, is surface-dried for 5-10 minutes, has excellent adhesive force to PP, ABS, nylon and glass fiber and other materials, has excellent adhesive force to upper layer paint, and has 0-1 grade in adhesion force in a Baige test; hot water (40 ℃) for more than 10 days. The adhesion force of the water resistance test is 0-1 grade. The quick-drying single-component plastic primer disclosed by the invention is good in flexibility and impact resistance; has good adhesive force on different materials, and has better water resistance when being used.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a quick-drying single-component plastic primer and a preparation method thereof.
Background
The invention patent with the patent publication number of CN110591478A named as high-weather-resistance acrylic transformer curtaining finish and a preparation method thereof discloses a high-weather-resistance acrylic transformer curtaining finish, but the high-weather-resistance acrylic transformer curtaining finish has poor coagulability, long required drying and solidifying time and needs to be improved in resistance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a quick-drying single-component plastic primer and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: a quick-drying single-component plastic primer comprises, by weight, 30-50 parts of polyurethane modified acrylic resin, 10-20 parts of butyl acetate, 0.5-1 part of a wetting dispersant, 15-20 parts of nano barium sulfate, 18-25 parts of titanium dioxide, 0.1-1 part of hydrophobic modified fumed silica, 0.2-1 part of carbon black and 0.1-1 part of anti-settling wax.
According to the quick-drying type single-component plastic primer, the polyurethane modified acrylic resin, the butyl acetate, the wetting dispersant, the nano barium sulfate, the titanium dioxide and the hydrophobic modified fumed silica are matched to prepare the plastic primer, and the plastic primer is unexpectedly found to have very excellent solidification performance and short solidification time. The inventor also finds that the quick-drying single-component plastic primer has excellent mechanical properties and weather resistance through research, and finds that the polyurethane modified acrylic resin, butyl acetate, wetting dispersant, nano barium sulfate, titanium dioxide and hydrophobic modified fumed silica are matched to play a synergistic role in the setting properties, the mechanical properties and the weather resistance of the primer, and the lack of any component can cause the obvious reduction of the setting properties, the mechanical properties and the weather resistance.
Preferably, in the quick-drying type one-component plastic primer, the weight ratio of the polyurethane-modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica is as follows: nano barium sulfate: the hydrophobic modified fumed silica is (30-50): (15-20): (0.5 to 1).
The inventor discovers, through research, that the weight ratio of the polyurethane modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica in the quick-drying type single-component plastic primer is (30-50): (15-20): (0.5 to 1), the composition has more excellent curability, mechanical properties and weather resistance.
Preferably, in the quick-drying type one-component plastic primer, the weight ratio of the polyurethane-modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica is as follows: nano barium sulfate: and (3) hydrophobic modified fumed silica (35-50): (15-20): (0.5 to 1).
Preferably, in the quick-drying type one-component plastic primer, the weight ratio of the polyurethane-modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica is as follows: nano barium sulfate: the hydrophobic modified fumed silica is (40-45): (15-20): (0.5 to 1).
The inventor discovers that the weight ratio of the polyurethane modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica in the quick-drying type single-component plastic primer is (40-45): (15-20): (0.5 to 1), the composition has more excellent curability, mechanical properties and weather resistance.
Preferably, in the quick-drying type one-component plastic primer, the weight ratio of the polyurethane-modified acrylic resin, the nano barium sulfate and the hydrophobic modified fumed silica is as follows: nano barium sulfate: the hydrophobic modified fumed silica is (40-45): (17.5-20): (0.5 to 1).
Preferably, the hydrophobically modified fumed silica is fumed silica R972 or fumed silica R974.
The invention also provides a preparation method of any one of the quick-drying type single-component plastic primers, which comprises the following steps:
(1) stirring and mixing the polyurethane modified acrylic resin and butyl acetate according to the weight ratio to obtain a mixed system A;
(2) keeping the mixing system A in a stirring state, adding a wetting dispersant, nano barium sulfate, titanium dioxide, hydrophobic modified fumed silica, carbon black and anti-settling wax into the mixing system A according to the weight ratio, and sanding until the particle size of the titanium dioxide, the hydrophobic modified fumed silica, the carbon black and the anti-settling wax is 20 mu m to obtain the quick-drying type single-component plastic primer.
The invention also provides a using method of any one of the quick-drying type single-component plastic primers, which is characterized in that any one of the quick-drying type single-component plastic primers is diluted by butyl acetate and then used, and the weight ratio of any one of the quick-drying type single-component plastic primers to the butyl acetate serving as the diluent is 100: (4-6).
The invention has the beneficial effects that: the invention provides a quick-drying type single-component plastic primer and a preparation method thereof. The inventor also finds that the quick-drying single-component plastic primer has excellent mechanical property and weather resistance through research, and finds that the polyurethane modified acrylic resin, butyl acetate, wetting dispersant, nano barium sulfate, titanium dioxide and hydrophobic modified fumed silica are matched to play a synergistic role in the setting property, the mechanical property and the weather resistance of the primer, and the lack of any component can cause the obvious reduction of the setting property, the mechanical property and the weather resistance; the quick-drying single-component plastic primer disclosed by the invention has the advantages that the quick-drying single-component plastic primer is easy to construct, has good appearance and leveling property, is flat and smooth in appearance, is quickly dried, is surface-dried for 5-10 minutes, has excellent adhesive force to PP, ABS, nylon and glass fiber and other materials, has excellent adhesive force to upper layer paint, and has 0-1 grade in adhesion force in a Baige test; hot water (40 ℃) for more than 10 days. The adhesion force of the water resistance test is 0-1 grade. The quick-drying single-component plastic primer disclosed by the invention is good in flexibility and impact resistance; has good adhesive force on different materials. The quick-drying single-component plastic primer disclosed by the invention has better water resistance by using nano barium sulfate.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
Example 1
The quick-drying single-component plastic primer comprises the following components, by weight, 35 parts of polyurethane modified acrylic resin, 20 parts of butyl acetate, 0.7 part of a wetting dispersant, 20 parts of nano barium sulfate, 25 parts of titanium dioxide, 0.8 part of hydrophobically modified fumed silica, 0.8 part of carbon black and 0.5 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobically modified fumed silica is fumed silica R972.
Example 2
The quick-drying single-component plastic primer comprises, by weight, 40 parts of polyurethane modified acrylic resin, 15 parts of butyl acetate, 0.7 part of a wetting dispersant, 19.5 parts of nano barium sulfate, 25 parts of titanium dioxide, 0.8 part of hydrophobic modified fumed silica, 0.8 part of carbon black and 1 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobic modified fumed silica is fumed silica R972.
Example 3
The quick-drying single-component plastic primer comprises, by weight, 45 parts of polyurethane modified acrylic resin, 15 parts of butyl acetate, 0.7 part of a wetting dispersant, 19.5 parts of nano barium sulfate, 20 parts of titanium dioxide, 0.8 part of hydrophobic modified fumed silica, 0.8 part of carbon black and 1 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobic modified fumed silica is fumed silica R972.
Example 4
The quick-drying single-component plastic primer comprises, by weight, 50 parts of polyurethane modified acrylic resin, 15 parts of butyl acetate, 0.7 part of a wetting dispersant, 17.5 parts of nano barium sulfate, 17 parts of titanium dioxide, 0.8 part of hydrophobic modified fumed silica, 0.8 part of carbon black and 1 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobic modified fumed silica is fumed silica R972.
Example 5
The quick-drying single-component plastic primer comprises, by weight, 40 parts of polyurethane modified acrylic resin, 17.2 parts of butyl acetate, 1 part of wetting dispersant, 20 parts of nano barium sulfate, 25 parts of titanium dioxide, 0.8 part of hydrophobically modified fumed silica, 0.8 part of carbon black and 1 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobically modified fumed silica is fumed silica R972.
Comparative example 1
The quick-drying type single-component plastic primer comprises, by weight, 40 parts of acrylic resin, 17.2 parts of butyl acetate, 1 part of wetting dispersant, 20 parts of precipitated barium sulfate, 25 parts of titanium dioxide, 0.8 part of hydrophobic modified fumed silica, 0.8 part of carbon black and 1 part of anti-settling wax, wherein the wetting dispersant is modified polyester, and the hydrophobic modified fumed silica is fumed silica R972.
Effect example 1
1. The performance of the quick-drying type one-component plastic primers of examples 1 to 5 and comparative example 1 was examined. The detection methods and results are shown in tables 1, 2 and 3.
TABLE 1
2. TABLE 2
As shown in Table 2, the adhesive force of the polyurethane modified acrylic resin selected in the formula to PP materials is high. The nano barium sulfate has better water resistance than precipitated barium sulfate.
3. TABLE 3
As can be seen from Table 3, the combination of the polyurethane modified acrylic resin, butyl acetate, wetting dispersant, nano barium sulfate, titanium dioxide and hydrophobic modified fumed silica is shown to be the best in the comprehensive performance of the example 5, and the synergistic effect of the combination of the polyurethane modified acrylic resin, the butyl acetate, the wetting dispersant, the nano barium sulfate, the titanium dioxide and the hydrophobic modified fumed silica on the setting performance, the mechanical performance and the weather resistance of the primer is shown by comparing the examples with the comparative examples, and the lack of any one component can cause the obvious reduction of the setting performance, the mechanical.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A quick-drying single-component plastic primer is characterized by comprising the following components, by weight, 30-50 parts of polyurethane modified acrylic resin, 10-20 parts of butyl acetate, 0.5-1 part of a wetting dispersant, 15-20 parts of nano barium sulfate, 18-25 parts of titanium dioxide, 0.1-1 part of hydrophobic modified fumed silica, 0.2-1 part of carbon black and 0.1-1 part of anti-settling wax.
2. The quick-drying one-component plastic primer according to claim 1, wherein the weight ratio of the urethane-modified acrylic resin, the nano barium sulfate and the hydrophobically modified fumed silica in the quick-drying one-component plastic primer is that of the urethane-modified acrylic resin: nano barium sulfate: the hydrophobic modified fumed silica is (30-50): (15-20): (0.5 to 1).
3. The quick-drying one-component plastic primer according to claim 2, wherein the weight ratio of the urethane-modified acrylic resin, the nano barium sulfate and the hydrophobically modified fumed silica in the quick-drying one-component plastic primer is that of the urethane-modified acrylic resin: nano barium sulfate: and (3) hydrophobic modified fumed silica (35-50): (15-20): (0.5 to 1).
4. The quick-drying one-component plastic primer according to claim 3, wherein the weight ratio of the urethane-modified acrylic resin, the nano barium sulfate and the hydrophobically modified fumed silica in the quick-drying one-component plastic primer is that of the urethane-modified acrylic resin: nano barium sulfate: the hydrophobic modified fumed silica is (40-45): (15-20): (0.5 to 1).
5. The quick-drying one-component plastic primer according to claim 4, wherein the weight ratio of the urethane-modified acrylic resin, the nano barium sulfate and the hydrophobically modified fumed silica in the quick-drying one-component plastic primer is that of the urethane-modified acrylic resin: nano barium sulfate: the hydrophobic modified fumed silica is (40-45): (17.5-20): (0.5 to 1).
6. The quick-drying one-component plastic primer according to claim 1, wherein the hydrophobically modified fumed silica is fumed silica R972 or fumed silica R974.
7. A method for preparing a quick-drying one-component plastic primer according to any one of claims 1 to 6, comprising the steps of:
(1) stirring and mixing the polyurethane modified acrylic resin and butyl acetate according to the weight ratio to obtain a mixed system A;
(2) keeping the mixing system A in a stirring state, adding a wetting dispersant, nano barium sulfate, titanium dioxide, hydrophobic modified fumed silica, carbon black and anti-settling wax into the mixing system A according to the weight ratio, and sanding until the particle size of the titanium dioxide, the hydrophobic modified fumed silica, the carbon black and the anti-settling wax is 20 mu m to obtain the quick-drying type single-component plastic primer.
8. The method for using the quick-drying type one-component plastic primer according to any one of claims 1 to 6, wherein the quick-drying type one-component plastic primer according to any one of claims 1 to 6 is diluted with butyl acetate and used, and the weight ratio of the quick-drying type one-component plastic primer according to any one of claims 1 to 6 to the butyl acetate as the diluent is 100: (4-6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011219798.0A CN112341927A (en) | 2020-11-04 | 2020-11-04 | Quick-drying single-component plastic primer and preparation method thereof |
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| CN202011219798.0A CN112341927A (en) | 2020-11-04 | 2020-11-04 | Quick-drying single-component plastic primer and preparation method thereof |
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| CN101125981A (en) * | 2007-09-20 | 2008-02-20 | 唐山威克涂料化工有限公司 | General purpose plastic priming paint for automobile and preparation method thereof |
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