CN113321982A - Preparation method of quick-setting hot-melt type marking paint - Google Patents
Preparation method of quick-setting hot-melt type marking paint Download PDFInfo
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- CN113321982A CN113321982A CN202110763223.3A CN202110763223A CN113321982A CN 113321982 A CN113321982 A CN 113321982A CN 202110763223 A CN202110763223 A CN 202110763223A CN 113321982 A CN113321982 A CN 113321982A
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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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous 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
-
- 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 the processing of road marking paintThe technical field, in particular to a preparation method of a quick-setting hot-melt type marking paint, which comprises the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 65-75 deg.C at 30-45rmp/min for 1-2 hr, centrifuging, filtering, collecting precipitate, and drying to obtain polymethyl methacrylate nanosphere with fluorescence characteristic; (2) mixing nanometer TiO2Mixing with rare earth material deionized water, adding porous calcium carbonate microsphere, performing ultrasonic treatment for 20-30min, adding disodium ethylene diamine tetraacetate solution, stirring for 20-30min, and drying; the coating prepared by the invention has the advantages of high reflection coefficient, high temperature resistance, wear resistance, long fluorescence duration and high fluorescence brightness.
Description
Technical Field
The invention relates to the technical field of road marking paint processing, in particular to a preparation method of a quick-setting hot-melt type marking paint.
Background
The road marking paint is divided into two types of hot-melt type and solvent type, most Japanese roads use hot-melt type paint, countries such as Europe and America and the like gradually increase the using amount, the hot-melt type marking paint in the market usually uses titanium dioxide as pigment, the titanium dioxide can fade and be unclear and the like in the long-time sunshine process, and constructors can find that the raw materials are easy to agglomerate in the using process and are inconvenient to use when using the paint, and meanwhile, some luminous paint in the market at night can also add calcium carbonate, titanium dioxide, disodium ethylenediamine tetraacetate, silicon dioxide and other components, but the preparation process is to directly mix the raw materials, the paint obtained by directly mixing the raw materials only shows the basic characteristics of the materials, and the constructors can have the conditions of short luminous time and low luminous brightness in the actual using process, the phenomenon that the light cannot emit after being used for 2 to 3 days, and the situation that the fluorescence is quenched, particularly under the condition of high temperature, the fluorescence quenching time is shorter, and the warning effect cannot be achieved at night, so that the prior art needs to be further improved.
Disclosure of Invention
The invention aims to provide a preparation method of a quick-setting hot-melt type marking coating with high reflection coefficient, high temperature resistance, wear resistance, long fluorescence duration and high fluorescence brightness.
A preparation method of a quick-setting hot-melt type marking coating comprises the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 65-75 deg.C at 30-45rmp/min for 1-2 hr, centrifuging, filtering, collecting precipitate, and drying to obtain polymethyl methacrylate nanosphere with fluorescence characteristic; (2) mixing nanometer TiO2With rare earth material deionized waterMixing, adding porous calcium carbonate microsphere, performing ultrasonic treatment for 20-30min, adding disodium ethylene diamine tetraacetate solution, stirring for 20-30min, and drying; (3) and (2) mixing benzoyl peroxide, the polymethyl methacrylate nanospheres prepared in the step (1), polypropylene, pearl powder, nano silicon dioxide, hollow porous glass microspheres, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth materials, a silane coupling agent, polydimethylsiloxane and a defoaming agent, and heating the mixture for use when the mixture is used.
Further, in the step (1), the mass-to-volume ratio of the methyl methacrylate, the potassium persulfate, the rare earth material and the deionized water is as follows: 23-25mg, 8-9ml, 8-15mg, 10-20 ml.
Further, the nano TiO in the step (2)2The mass-volume ratio of the rare earth material to the deionized water to the porous calcium carbonate microspheres to the ethylene diamine tetraacetic acid solution is 40-50mg to 8-15mg to 10-20ml to 20-30mg to 18-24 ml.
Further, the polymethyl methacrylate nanospheres, polypropylene, pearl powder, nano-silica, hollow porous glass beads, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth materials, silane coupling agent, polydimethylsiloxane and defoaming agent in the step (3) have the following mass-to-volume ratios: 23-25mg, 2-12 mg, 35-45mg, 15-20mg, 7-9mg, 6-8mg, 2-3mg, 3-5mg, 10-12mg, 4-8mg, 3-5mg, 2-3mg, 3-5 mg.
Further, the solution of disodium ethylene diamine tetraacetate is 0.6-0.8 mol/L.
Further, the porous calcium carbonate microsphere is prepared by the following steps: mixing Ca (NO)3)2Mixing the solution with sodium polystyrene sulfonate, stirring at 30-45rmp/min for 20-30min, and adding Na2CO3Carrying out ultrasonic dispersion on the solution at 500W for 3-5min, reacting for 20-24h, washing and drying to obtain porous calcium carbonate microspheres; the Ca (NO) is3)2Solution, sodium polystyrene sulfonate, Na2CO3The mass volume ratio of the solution is 10-20ml: 10-15mg, 5-8 ml; the Ca (NO) is3)2The mass percent of the solution is 55-65%; na (Na)2CO3Saturated Na of solution2CO3And (3) solution.
Further, the rare earth material is Eu3+And (3) fluorescent powder.
In the preparation process, after methyl methacrylate, potassium persulfate and rare earth materials are mixed and ultrasonically treated, the methyl methacrylate is coated on the outer side of the fluorescent material, and the methyl methacrylate has high permeability, so that the polymethyl methacrylate nanosphere coated with the rare earth material still has high light transmittance, the rare earth material can be stabilized, the rare earth material is prevented from being greatly lost and damaged under the action of external force and friction force, and the nano TiO nano-composite material is poor in thermal stability2After being mixed with rare earth materials and porous calcium carbonate microspheres, the brightness of the coating can be effectively increased, and after an ethylene diamine tetraacetic acid disodium solution is added, partial nano TiO and rare earth materials are wrapped inside and outside the porous calcium carbonate to play a role in supporting a skeleton, and mutual agglomeration of the nano TiO and the rare earth materials is prevented.
Detailed Description
Example 1:
a preparation method of a quick-setting hot-melt type marking coating comprises the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 65 ℃ for 1h at the speed of 30rmp/min, centrifuging, filtering, taking a precipitate, and drying to obtain the polymethyl methacrylate nanosphere with the fluorescent characteristic; (2) mixing nanometer TiO2With rare earth materialsMixing with deionized water, adding porous calcium carbonate microsphere, performing ultrasonic treatment for 20min, adding disodium ethylene diamine tetraacetate solution, stirring for 20min, and drying; (3) and (2) mixing benzoyl peroxide, the polymethyl methacrylate nanospheres prepared in the step (1), polypropylene, pearl powder, nano silicon dioxide, hollow porous glass microspheres, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth materials, a silane coupling agent, polydimethylsiloxane and a defoaming agent, and heating the mixture for use when the mixture is used.
The mass-volume ratio of the methyl methacrylate, the potassium persulfate, the rare earth material and the deionized water in the step (1) is as follows: 23mg:8ml:8mg:10 ml.
The nano TiO in the step (2)2The mass-volume ratio of the rare earth material to the deionized water to the porous calcium carbonate microspheres to the ethylene diamine tetraacetic acid solution is 40mg to 8mg to 10ml to 20mg to 18 ml.
The polymethyl methacrylate nanospheres, the polypropylene, the pearl essence, the nano silicon dioxide, the hollow porous glass beads, the polypropylene, the pearl essence, the isocyanate, the ethylene-vinyl acetate copolymer, the polyvinyl chloride, the epoxy resin, the rare earth material, the silane coupling agent, the polydimethylsiloxane and the defoaming agent in the step (3) have the mass-volume ratio: 23mg:10mg:2mg: 15mg: 6mg:2mg:3mg:10 mg:4mg:3mg:2mg:3 mg.
The solution of the disodium ethylene diamine tetraacetate is 0.6 mol/L.
The porous calcium carbonate microsphere is prepared by the following steps: mixing Ca (NO)3)2Mixing the solution with sodium polystyrene sulfonate, stirring at 30rmp/min for 20min, and adding Na2CO3Carrying out ultrasonic dispersion on the solution at 500W for 3min, reacting for 20h, washing and drying to obtain porous calcium carbonate microspheres; the Ca (NO) is3)2Solution, sodium polystyrene sulfonate, Na2CO3The mass volume ratio of the solution is 10ml: 10mg to 5 ml; the Ca (NO) is3)2The mass percent of the solution is 55 percent; na (Na)2CO3Saturated Na of solution2CO3And (3) solution.
The rare earth material is Eu3+And (3) fluorescent powder.
The quick-setting hot-melt type marking paint prepared by the method. The silane coupling agent is an antifoaming agent
Example 2:
a preparation method of a quick-setting hot-melt type marking coating comprises the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 70 deg.C at 35rmp/min for 1.5h, centrifuging, filtering, collecting precipitate, and drying to obtain polymethyl methacrylate nanosphere with fluorescent characteristic; (2) mixing nanometer TiO2Mixing with rare earth material deionized water, adding porous calcium carbonate microspheres, performing ultrasonic treatment for 25min, adding disodium ethylene diamine tetraacetate solution, stirring for 25min, and drying; (3) and (2) mixing benzoyl peroxide, the polymethyl methacrylate nanospheres prepared in the step (1), polypropylene, pearl powder, nano silicon dioxide, hollow porous glass microspheres, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth materials, a silane coupling agent, polydimethylsiloxane and a defoaming agent, and heating the mixture for use when the mixture is used.
The mass-volume ratio of the methyl methacrylate, the potassium persulfate, the rare earth material and the deionized water in the step (1) is as follows: 24mg, 8.5ml, 10mg, 15 ml.
The nano TiO in the step (2)2The mass-volume ratio of the rare earth material to the deionized water to the porous calcium carbonate microspheres to the solution of the disodium ethylene diamine tetraacetate is 45mg to 10mg to 15ml to 25mg to 20 ml.
The polymethyl methacrylate nanospheres, the polypropylene, the pearl essence, the nano silicon dioxide, the hollow porous glass beads, the polypropylene, the pearl essence, the isocyanate, the ethylene-vinyl acetate copolymer, the polyvinyl chloride, the epoxy resin, the rare earth material, the silane coupling agent, the polydimethylsiloxane and the defoaming agent in the step (3) have the mass-volume ratio: 24mg of 11mg of 18mg of 8mg of 7mg of 2.5mg of 3.5mg of 11mg of 7mg of 4mg of 2.5mg of 4mg of 11mg of 4mg of 8mg of 11mg of 4mg of 8mg of 11mg of 4mg of 8mg of 4mg of 11mg of 4mg of 3.5mg of 4mg of 11mg of 4mg of 3mg of 4mg of 11mg of 4mg of 3mg of 5mg of 3mg of 4mg of 3mg of 11mg of 4.
The solution of the disodium ethylene diamine tetraacetate is 0.7 mol/L.
The porous calcium carbonate microsphere is prepared by the following steps: mixing Ca (NO)3)2Mixing the solution with sodium polystyrene sulfonate, stirring at 35rmp/min for 25min, and adding Na2CO3Carrying out ultrasonic dispersion on the solution at 500W for 4min, reacting for 23h, washing and drying to obtain porous calcium carbonate microspheres; the Ca (NO) is3)2Solution, sodium polystyrene sulfonate, Na2CO3The mass-to-volume ratio of the solution is 15ml: 12mg to 6 ml; the Ca (NO) is3)2The mass percentage of the solution is 60 percent; na (Na)2CO3Saturated Na of solution2CO3And (3) solution.
The rare earth material is Eu3+And (3) fluorescent powder.
The quick-setting hot-melt type marking paint prepared by the method.
Example 3:
a preparation method of a quick-setting hot-melt type marking coating comprises the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 75 ℃ at the speed of 45rmp/min for 2h, centrifuging, filtering, taking a precipitate, and drying to obtain the polymethyl methacrylate nanosphere with the fluorescent characteristic; (2) mixing nanometer TiO2Mixing with rare earth material deionized water, adding porous calcium carbonate microsphere, performing ultrasonic treatment for 20-30min, adding disodium ethylene diamine tetraacetate solution, stirring for 30min, and drying; (3) and (2) mixing benzoyl peroxide, the polymethyl methacrylate nanospheres prepared in the step (1), polypropylene, pearl powder, nano silicon dioxide, hollow porous glass microspheres, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth materials, a silane coupling agent, polydimethylsiloxane and a defoaming agent, and heating the mixture for use when the mixture is used.
The mass-volume ratio of the methyl methacrylate, the potassium persulfate, the rare earth material and the deionized water in the step (1) is as follows: 25mg, 9ml, 15mg, 20 ml.
The nano TiO in the step (2)2Rare earth material, deionizationThe mass-volume ratio of the water, the porous calcium carbonate microspheres and the ethylene diamine tetraacetic acid solution is 50mg:15mg:20ml:30mg:24 ml.
The polymethyl methacrylate nanospheres, the polypropylene, the pearl essence, the nano silicon dioxide, the hollow porous glass beads, the polypropylene, the pearl essence, the isocyanate, the ethylene-vinyl acetate copolymer, the polyvinyl chloride, the epoxy resin, the rare earth material, the silane coupling agent, the polydimethylsiloxane and the defoaming agent in the step (3) have the mass-volume ratio: 25mg:12mg:3mg:45mg:20mg:9mg:8mg:3mg:5mg:12 mg:8mg:5mg:3 mg.
The solution of the disodium ethylene diamine tetraacetate is 0.8 mol/L.
The porous calcium carbonate microsphere is prepared by the following steps: mixing Ca (NO)3)2Mixing the solution with sodium polystyrene sulfonate, stirring at 45rmp/min for 30min, and adding Na2CO3Carrying out ultrasonic dispersion on the solution at 500W for 5min, reacting for 24h, washing and drying to obtain porous calcium carbonate microspheres; the Ca (NO) is3)2Solution, sodium polystyrene sulfonate, Na2CO3The mass volume ratio of the solution is 20ml: 15mg, 8 ml; the Ca (NO) is3)2The mass percent of the solution is 65 percent; na (Na)2CO3Saturated Na of solution2CO3And (3) solution.
The rare earth material is Eu3+And (3) fluorescent powder.
The quick-setting hot-melt type marking paint prepared by the method.
Test example 1:
and (3) testing thermal stability:
the coatings of examples 1, 2 and 3 were selected, and cubes of 2cm × 2cm × 2cm size were prepared using a mold, heated, and similar products were purchased directly from the market, and the main ingredients of the products were as follows: zircon powder, brown fused alumina, polyvinyl alcohol, sodium dodecyl sulfate, calcium carbonate, titanium dioxide, ethylene diamine tetraacetic acid disodium, sodium pyrophosphate, silica, mix them directly, the result of heating (5 min record once a day) is as follows, and compare the fluorescence luminance after different heating degree, this fluorescence luminance uses the luminance tester to test it:
therefore, the coating prepared by the invention has better fluorescence brightness and good thermal stability.
Test example 2:
flame resistance test
The oxygen flow rate was controlled, the coatings of examples 1, 2 and 3 were selected, cubes of 2cm × 2cm × 2cm size were prepared using a mold, and fired, and similar products were purchased directly from the market, and the main ingredients of the products were as follows: zircon powder, brown fused alumina, polyvinyl alcohol, sodium dodecyl sulfate, calcium carbonate, titanium dioxide, ethylene diamine tetraacetic acid, sodium pyrophosphate, silicon dioxide, mix it directly, burn (time 20s), observe its burning state:
| firing temperature | 500℃ | 800℃ | 1000℃ | 1200℃ |
| Example 1 | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon |
| Example 2 | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon |
| Example 3 | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon | No blackening phenomenon |
| Comparison group | No blackening phenomenon | Edge blackening | Partial blackening | Blackening the surface |
Test example 3:
the coefficient of retroreflection determinator measures the coefficient of retroreflection for the examples and the comparative groups, the test groups, and the major ingredients of the product as follows: zircon powder, brown fused alumina, polyvinyl alcohol, sodium dodecyl sulfate, calcium carbonate, titanium dioxide, disodium ethylene diamine tetraacetate, sodium pyrophosphate and silicon dioxide. The coefficient of retroreflection of example 1 was 768cd/lx/m, as measured at an observation angle of 0.2 degrees, an incidence angle of-4 degrees, and a temperature of 35 degrees Celsius2The coefficient of retroreflection of the comparative group was 212cd/lx/m2Therefore, the coating prepared by the invention has larger retroreflection coefficient, and is transparent and reflectiveThe effect is good.
Test example 4:
example 1 was selected and a cube of size 2cm x 2cm was made using a die, test group, the main ingredients of the product are as follows: zircon powder, brown fused alumina, polyvinyl alcohol, sodium dodecyl sulfate, calcium carbonate, titanium dioxide, disodium ethylene diamine tetraacetate, sodium pyrophosphate and silicon dioxide. The test group was also prepared in the same size cube using a mold, and the abrasion values of the paint and the test group in example 1 were measured. Using a paint abrasion tester, taking the coating as the initial weight when the coating is polished, recording the weight once per 50 revolutions, and the bearing pressure of the two is the same, and the results are shown in the following table:
| 1 time of | 2 times (one time) | 3 times of | 4 times (twice) | 5 times (twice) | |
| Example 1(g) | 8.31 | 8.29 | 8.28 | 8.28 | 8.27 |
| Test group (g) | 7.63 | 7.23 | 6.89 | 6.65 | 6.13 |
From the above, the wear-resistant rubber has better wear resistance and good wear resistance compared with a test group.
Test example 5:
duration of fluorescence:
the coatings of examples 1, 2 and 3 were selected to produce 2cm x 2cm cubes using a die, test groups, and the main formulation of the product is as follows: zircon powder, brown fused alumina, polyvinyl alcohol, sodium dodecyl sulfate, calcium carbonate, titanium dioxide, disodium ethylene diamine tetraacetate, sodium pyrophosphate and silicon dioxide. The test group was also prepared in the form of a cube of the same size using a mold, and the duration of light emission was observed, and the results are shown in the following table.
| Firing temperature | The first month | The second month | The third month | The fourth month |
| Example 1 | Luminous light | Luminous light | Luminous light | Luminous light |
| Example 2 | Luminous light | Luminous light | Luminous light | Luminous light |
| Example 3 | Luminous light | Luminous light | Luminous light | Luminous light |
| Comparison group | Weak light | Low light level | Matt light | Matt light |
From the above, the coating prepared by the invention has longer luminescence time.
Claims (8)
1. A preparation method of a quick-setting hot-melt type marking coating is characterized by comprising the following steps: (1) methyl methacrylate, potassium persulfate, rare earth material and deionized water are added into N2Stirring at 65-75 deg.C at 30-45rmp/min for 1-2 hr, centrifuging, filtering, collecting precipitate, and drying to obtain polymethyl methacrylate nanosphere with fluorescence characteristic; (2) mixing nanometer TiO2Mixing with rare earth material deionized water, adding porous calcium carbonate microsphere, performing ultrasonic treatment for 20-30min, adding disodium ethylene diamine tetraacetate solution, stirring for 20-30min, and drying; (3) then benzoyl peroxide, the polymethyl methacrylate nanospheres prepared in the step (1), polypropylene, pearl powder, nano silicon dioxide and hollow spheresThe glass fiber reinforced polypropylene composite material is prepared by mixing porous glass beads, polypropylene, pearl powder, isocyanate, ethylene-vinyl acetate copolymer, polyvinyl chloride, epoxy resin, rare earth material, silane coupling agent, polydimethylsiloxane and defoaming agent, and heating the mixture for use.
2. The method for preparing the quick-setting hot-melt type marking paint as claimed in claim 1, wherein the mass-volume ratio of the methyl methacrylate, the potassium persulfate, the rare earth material and the deionized water in the step (1) is as follows: 23-25mg, 8-9ml, 8-15mg, 10-20 ml.
3. The method for preparing a fast-setting hot-melt type reticle coating according to claim 2, wherein the nano TiO in the step (2)2The mass-volume ratio of the rare earth material to the deionized water to the porous calcium carbonate microspheres to the ethylene diamine tetraacetic acid solution is 40-50mg to 8-15mg to 10-20ml to 20-30mg to 18-24 ml.
4. The method for preparing a quick-setting hot-melt type reticle coating according to claim 3, wherein the mass-to-volume ratio of the polymethyl methacrylate nanospheres, the polypropylene, the pearl powder, the nano silica, the hollow porous glass beads, the polypropylene, the pearl powder, the isocyanate, the ethylene-vinyl acetate copolymer, the polyvinyl chloride, the epoxy resin, the rare earth material, the silane coupling agent, the polydimethylsiloxane and the defoaming agent in the step (3) is as follows: 23-25mg, 2-12 mg, 35-45mg, 15-20mg, 7-9mg, 6-8mg, 2-3mg, 3-5mg, 10-12mg, 4-8mg, 3-5mg, 2-3mg, 3-5 mg.
5. The method of preparing a fast-setting hot melt reticle coating according to claim 4,
the solution of disodium ethylene diamine tetraacetate is 0.6-0.8 mol/L.
6. The method for preparing the quick-setting hot-melt type marking paint as claimed in claim 5, wherein the porous calcium carbonate microsphere is prepared by the following steps: will be provided withCa(NO3)2Mixing the solution with sodium polystyrene sulfonate, stirring at 30-45rmp/min for 20-30min, and adding Na2CO3Carrying out ultrasonic dispersion on the solution at 500W for 3-5min, reacting for 20-24h, washing and drying to obtain porous calcium carbonate microspheres; the Ca (NO) is3)2Solution, sodium polystyrene sulfonate, Na2CO3The mass volume ratio of the solution is 10-20ml: 10-15mg, 5-8 ml; the Ca (NO) is3)2The mass percent of the solution is 55-65%; na (Na)2CO3Saturated Na of solution2CO3And (3) solution.
7. The method of claim 6, wherein the rare earth material is Eu3+And (3) fluorescent powder.
8. A fast-setting, hot melt, reticle coating made by the method of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110763223.3A CN113321982A (en) | 2021-07-06 | 2021-07-06 | Preparation method of quick-setting hot-melt type marking paint |
Applications Claiming Priority (1)
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|---|---|---|---|---|
| CN103232051A (en) * | 2013-04-24 | 2013-08-07 | 陕西科技大学 | Preparation method of ultrafine porous calcium carbonate microsphere |
| CN104845485A (en) * | 2015-04-15 | 2015-08-19 | 吉安市永安交通设施有限公司 | Formula and preparation method of road marked line coating |
| CN109575774A (en) * | 2018-12-04 | 2019-04-05 | 中国科学院包头稀土研发中心 | A kind of colorful anticorrosive water paint of rare earth and preparation method thereof |
| CN110452601A (en) * | 2019-08-24 | 2019-11-15 | 深圳市交通工程试验检测中心有限公司 | A kind of road mark paint and preparation method thereof |
| CN111518455A (en) * | 2020-06-04 | 2020-08-11 | 云南独树林涂料有限公司 | High-standard hot-melt marking paint and preparation method and application thereof |
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- 2021-07-06 CN CN202110763223.3A patent/CN113321982A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232051A (en) * | 2013-04-24 | 2013-08-07 | 陕西科技大学 | Preparation method of ultrafine porous calcium carbonate microsphere |
| CN104845485A (en) * | 2015-04-15 | 2015-08-19 | 吉安市永安交通设施有限公司 | Formula and preparation method of road marked line coating |
| CN109575774A (en) * | 2018-12-04 | 2019-04-05 | 中国科学院包头稀土研发中心 | A kind of colorful anticorrosive water paint of rare earth and preparation method thereof |
| CN110452601A (en) * | 2019-08-24 | 2019-11-15 | 深圳市交通工程试验检测中心有限公司 | A kind of road mark paint and preparation method thereof |
| CN111518455A (en) * | 2020-06-04 | 2020-08-11 | 云南独树林涂料有限公司 | High-standard hot-melt marking paint and preparation method and application thereof |
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Application publication date: 20210831 |