CN111333369A - Road traffic marking material and preparation method thereof - Google Patents
Road traffic marking material and preparation method thereof Download PDFInfo
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- CN111333369A CN111333369A CN202010164289.6A CN202010164289A CN111333369A CN 111333369 A CN111333369 A CN 111333369A CN 202010164289 A CN202010164289 A CN 202010164289A CN 111333369 A CN111333369 A CN 111333369A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
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Abstract
The invention provides a road traffic marking material and a preparation method thereof, and is characterized in that the road traffic marking material comprises the following components in parts by weight: 3-8 parts of cementing materials, 20-25 parts of coarse aggregates, 20-25 parts of fine aggregates, 6-8 parts of fillers, 1-2 parts of curing agents and 1-2 parts of anti-aging agents. The preparation method comprises the following steps: (1) weighing all the components in parts by weight for later use; (2) mixing and stirring the cementing material and the curing agent according to a ratio to prepare a cementing agent; (3) and mixing the coarse aggregate, the fine aggregate and the titanium dioxide uniformly, injecting a cementing agent, continuously stirring until the mixture is uniform, then sequentially adding the reflective powder and the anti-aging agent, and quickly stirring to obtain the road traffic marking material. The road traffic marking material prepared by the invention adopts a concrete form, has a skeleton structure, has the road performance equivalent to that of a road surface wearing layer, maintains the durability and functionality of the marking for a long time, and prolongs the service life of the marking.
Description
Technical Field
The invention belongs to the field of road traffic markings, and particularly relates to a road traffic marking material and a preparation method thereof.
Background
The road traffic marking line is used as a traffic safety means for restricting the driving behavior of the driver, and provides a reliable driving guide function for the driver while ensuring the driving safety and the smooth traffic. However, at present, a large number of road markings are in a low-performance service state, problems of peeling, cracking, peeling and the like occur at the initial service stage, the integrity of the markings cannot be continuously guaranteed, and the durability is seriously insufficient. On the other hand, under the action of natural environment erosion and vehicle rolling and friction, the marked line is seriously abraded, so that the general visibility of the marked line is reduced.
Therefore, the service life of the various road marking lines at present is no longer than 5 years at most and is 3 months at least, compared with the design service life of the road (10-15 years), the service life of the marking lines is obviously insufficient, maintenance and repair are often needed, the maintenance cost is increased, the service level is reduced, and even traffic accidents are increased.
At present, road traffic marking coating in China still mainly comprises hot-melt reflective marking coating, the market proportion reaches more than 80%, the solvent-based coating proportion is close to 20%, and bi-component coating, water-based coating and preformed road marking cannot be widely popularized and used. In order to improve the use level of road marking paint in China, Chinese scholars make many researches, such as ' self-luminous road marking paint and application thereof ' with the publication number of CN105860738D, ' luminous reflective road marking paint with high tinting strength and preparation method thereof ' with the publication number of CN106147324, ' super wear-resistant water-based road marking paint and preparation method thereof ' with the publication number of CN109233530A, ' night continuous self-luminous and strong reflective road marking and preparation method thereof ' with the publication number of CN107459907 ', and ' water-based self-luminous reflective road marking ' with the publication number of CN205088588, but only aiming at improving one or more performances of the marking, the improvement cannot be coordinated with the attenuation of the road performance, the coordination and unification with the road performance of the road cannot be achieved, so that the use effect of the road marking is influenced by the occurrence of road diseases. Meanwhile, the prior art adopts an adhering and pasting mode to be layered coated or pasted on the road surface, and the greatest disadvantage of the layered spraying is that the bonding property between the marking primer layer and the road surface is poor, so that the road markings can fall off under the erosion of rainwater and the like. Overall, there is no substantial breakthrough in material composition and structural patterns.
Disclosure of Invention
In order to solve the technical problems, the invention provides a road traffic marking material and a preparation method thereof, which change the material composition and the structural mode of the existing marking. Specifically, a transparent cementing agent and white or transparent materials with different particle sizes are adopted to form a skeleton structure, and then high-light-reflecting powder is added as a filler, so that the marking material in a concrete form is formed by mixing. The road marking has the road performance equivalent to that of the wearing layer, the durability of the road marking is fundamentally improved, and the purposes of prolonging the service life of the road marking and improving the service state are achieved.
The invention relates to a road traffic marking material, which is prepared from the following components in parts by weight: 3-8 parts of cementing material, 20-25 parts of coarse aggregate, 20-25 parts of fine aggregate, 6-8 parts of filler, 1-2 parts of curing agent and 1-2 parts of anti-aging agent, and the cementing material is prepared by uniformly mixing.
The cementing material is one of E51 epoxy resin or E44 epoxy resin.
The coarse aggregate is refined quartz sand, the color is pure white and free of impurities, the Mohs hardness reaches 7 Mohs, and the particle size is required to be 4-8 meshes and 8-14 meshes.
The fine aggregate is refined quartz sand and glass beads; wherein the refined quartz sand is required to be pure white in color and free of impurities, the Mohs hardness reaches 7 Mohs, and the particle size is required to be 48-100 meshes and 100-200 meshes; the glass beads are high-refraction glass beads, the appearance is required to be smooth and round, the rounding rate is more than 85%, the Mohs hardness reaches 6-7 Mohs, the refractive index Nd is more than or equal to 1.9, and the particle size is required to be 14-28 meshes and 28-48 meshes.
The filler is reflective powder and titanium dioxide; the reflective powder is high-refractive-index reflective powder, the refractive index Nd is larger than or equal to 1.93, the particle size requirement is 800-1000 meshes, and the weight part is 5-7 parts; the titanium dioxide is rutile titanium dioxide, in particular to R2 rutile titanium dioxide, the particle size requirement is 800-1000 meshes, and the weight part is 1 part.
The curing agent is a modified polyamine curing agent and is required to be transparent and colorless.
The anti-aging agent is a plastic anti-aging agent and is required to be transparent and colorless.
The preparation method of the road traffic marking material comprises the following steps:
(1) preparing materials: weighing 3-8 parts of cementing material, 20-25 parts of coarse aggregate, 20-25 parts of fine aggregate, 6-8 parts of filler, 1-2 parts of curing agent and 1-2 parts of anti-aging agent according to parts by weight;
(2) preparing a cementing agent: mixing the weighed cementing material with a curing agent according to a ratio, wherein the ratio is required to be the curing agent in parts by weight: (3-4) stirring the cementing material to form uniform transparent fluid cementing agent;
(3) mixing a mixture: the road traffic marking material is prepared by uniformly mixing coarse aggregates, fine aggregates (the proportion among the particle size ranges meets the standard requirement) and titanium dioxide, injecting a cementing agent, continuously stirring until the mixture is uniform, then sequentially adding the reflective powder and the anti-aging agent, quickly stirring, and stirring.
The invention has the beneficial effects that:
(1) the concrete type road marking with the grading structure is formed by cementing materials, aggregates and fillers, so that the road performance of the concrete type road marking is equivalent to that of a road surface wearing layer, the concrete type road marking is mainly reflected in high-temperature stability, low-temperature crack resistance, water stability, skid resistance and the like, and the durability of the marking is effectively improved;
(2) the skeleton structure formed by the transparent cementing agent and the white or transparent aggregate can improve the abrasion resistance of the marking, thereby keeping the integrity of the marking for a long time. The high-refractive-index reflective part is used as a filler, so that good general visibility can be provided, and the road traffic marking has good visibility in daytime and under dry conditions.
Drawings
FIG. 1 grading curve diagram of example 1 of the present invention
FIG. 2 grading curve diagram of embodiment 2 of the present invention
FIG. 3 grading curve diagram of embodiment 3 of the present invention
FIG. 4 is a schematic diagram of the present invention
Detailed Description
Application schematic diagrams of embodiments 1 to 3 of the present invention are shown in FIG. 4. The grading curve diagrams of the embodiments 1-3 of the invention are shown in fig. 1-3, which represent the distribution of the grain size particles of each grade in the coarse and fine aggregates and the filler in the embodiments 1-3, respectively, and show the proportion relationship among the components.
Example 1
The road traffic marking material consists of a cementing material, coarse aggregates, fine aggregates, a filler, a curing agent and an anti-aging agent; wherein the cementing material adopts E51 epoxy resin, the coarse aggregate adopts refined quartz sand, the fine aggregate adopts refined quartz sand and high-refraction glass beads, the filler adopts high-refraction-index reflective powder and R2 rutile titanium dioxide, the curing agent adopts 593 transparent colorless curing agent, and the anti-aging agent adopts transparent colorless antioxidant 1010.
The preparation method of the road traffic marking material comprises the following specific implementation steps:
(1) preparing materials: respectively weighing 3 parts of E51 epoxy resin, 1 part of 593 parts of transparent colorless curing agent, 2 parts of transparent colorless antioxidant 1010, 21.5 parts of coarse aggregate, 21.5 parts of fine aggregate (the total of refined quartz sand and high-refraction glass beads) and 8 parts of filler (the total of high-refraction-index reflective powder and R2 type rutile titanium dioxide) according to parts by weight; wherein, the grain diameter of the refined quartz sand adopted by the coarse aggregate is required to be 4(4.75mm) to 8 meshes (2.36mm), 8(2.36mm) to 14 meshes (1.18mm), and the proportion of each part is (2.36mm to 4.75 mm): (1.18-2.36 mm) ═ 14:29, i.e. 7 parts of 4-8 mesh fraction and 14.5 parts of 8-14 mesh fraction; the fine aggregate is prepared from refined quartz sand with particle size of 48(0.30mm) to 100 mesh, 100(0.15mm) to 200 mesh (0.075mm), and proportion of each part is (0.15-0.30 mm): (0.075-0.15 mm) ═ 9:2, i.e. 4.5 parts for 48-100 mesh fraction, 1 part for 100-200 mesh fraction; the high-refraction glass beads adopted by the fine aggregate have the particle size requirements of 14(1.18mm) to 28 meshes (0.60mm) and 28(0.60mm) to 48 meshes (0.30mm), and the proportion of each part is (0.6-1.18 mm): (0.30-0.60 mm) 12:20, namely 6 parts of 14-28 mesh parts and 10 parts of 28-48 mesh parts; the filler adopts 7 parts of high-refractive-index reflective powder with the mesh number of 800-1000 meshes and 1 part of R2 type rutile titanium dioxide with the mesh number of 800-1000 meshes;
(2) preparing a cementing agent: weighing the E51 epoxy resin and the 593 transparent curing agent according to the weight ratio of 1:3, and stirring and mixing to form a uniform transparent fluid cementing agent;
(3) mixing a mixture: mixing the coarse and fine aggregates and R2 type rutile titanium dioxide uniformly; injecting a cementing agent, and stirring for two minutes; then, the high-refractive-index reflective powder and the antioxidant 1010 are added in sequence, and the mixture is rapidly stirred for two minutes, so that the road traffic marking material of the embodiment 1 is obtained.
The road performance of the marking mixture is evaluated according to technical Specifications for road asphalt pavement construction (JTG F40-2004) and technical Specifications for road asphalt pavement maintenance (JTG 5142-2019), the road performance of the marking mixture mainly comprises high-temperature stability, low-temperature crack resistance, water stability and friction coefficient swing values, the road performance of the road traffic marking material prepared in the embodiment 1 of the invention is detected, and the technical indexes are subject to the road performance parameter indexes of the asphalt pavement wearing layer. The test results are shown in table 1.
TABLE 1 road marking Material road Performance test results
The road traffic marking material prepared in the embodiment 1 of the present invention was subjected to a functional performance test, and the specific verification results are shown in table 2.
TABLE 2 road marking material functional Performance test results
It can be seen from the road performance test results of the road marking material in table 1 and the road marking material functional performance test results in table 2, that the road performance and functional performance of the marking material in embodiment 1 of the present invention meet the standard requirements, and can meet the standard of road traffic marking.
Example 2
The road traffic marking material consists of a cementing material, coarse aggregates, fine aggregates, a filler, a curing agent and an anti-aging agent, wherein the cementing material adopts E51 epoxy resin, the coarse aggregates adopt refined quartz sand, the fine aggregates adopt refined quartz sand and high-refraction glass beads, the filler adopts high-refractive-index reflective powder and R2 rutile titanium dioxide, the curing agent adopts 593 transparent colorless curing agent, and the anti-aging agent adopts transparent colorless antioxidant 1010.
The preparation method of the road traffic marking material comprises the following specific implementation steps:
(1) preparing materials: respectively weighing 3 parts of E51 epoxy resin, 1 part of 593 parts of transparent colorless curing agent, 2 parts of transparent colorless antioxidant 1010, 22 parts of coarse aggregate, 22 parts of fine aggregate (the total of refined quartz sand and high-refraction glass beads) and 7 parts of filler (the total of high-refraction-index reflective powder and R2 type rutile titanium dioxide) according to parts by weight; wherein, the grain diameter of the refined quartz sand adopted by the coarse aggregate is required to be 4(4.75mm) to 8 meshes (2.36mm), 8(2.36mm) to 14 meshes (1.18mm), and the proportion of each part is (2.36mm to 4.75 mm): (1.18-2.36 mm) ═ 15:29, namely 7.5 parts of 4-8 mesh parts and 14.5 parts of 8-14 mesh parts; the fine aggregate is prepared from refined quartz with particle size of 48(0.30mm) to 100 mesh, 100(0.15mm) to 200 mesh (0.075mm), and proportion of each part is (0.15-0.30 mm): (0.075-0.15 mm) ═ 9:7, i.e. 4.5 parts for 48-100 mesh fraction, 3.5 parts for 100-200 mesh fraction; the high-refraction glass beads adopted by the fine aggregate have the particle size requirements of 14(1.18mm) to 28 meshes (0.60mm) and 28(0.60mm) to 48 meshes (0.30mm), and the proportion of each part is (0.6-1.18 mm): (0.30-0.60 mm) 10:18, namely 5 parts of 14-28 mesh part and 9 parts of 28-48 mesh part; the filler adopts 6 parts of high-refractive-index reflective powder with the mesh number of 800-1000 meshes and 1 part of R2 type rutile titanium dioxide with the mesh number of 800-1000 meshes;
(2) preparing a cementing agent: weighing the E51 epoxy resin and the 593 transparent curing agent according to the weight ratio of 1:3, and stirring and mixing to form a uniform transparent fluid cementing agent;
(3) mixing a mixture: mixing the coarse and fine aggregates and R2 type rutile titanium dioxide uniformly; injecting a cementing agent, and stirring for two minutes; then, the high-refractive-index reflective powder and the antioxidant 1010 are added in sequence, and the mixture is rapidly stirred for two minutes, so that the road traffic marking material of the embodiment 2 is obtained.
Example 3
The road traffic marking material consists of a cementing material, coarse aggregates, fine aggregates, a filler, a curing agent and an anti-aging agent, wherein the cementing material adopts E51 epoxy resin, the coarse aggregates adopt refined quartz sand, the fine aggregates adopt refined quartz sand and high-refraction glass beads, the filler adopts high-refractive-index reflective powder and R2 rutile titanium dioxide, the curing agent adopts 593 transparent colorless curing agent, and the anti-aging agent adopts transparent colorless antioxidant 1010.
The preparation method of the road traffic marking material comprises the following specific implementation steps:
(1) preparing materials: respectively weighing 4 parts of E51 epoxy resin, 1 part of 593 parts of transparent colorless curing agent, 2 parts of transparent colorless antioxidant 1010, 21.5 parts of coarse aggregate, 23.5 parts of fine aggregate (the total of refined quartz sand and high-refraction glass beads) and 6 parts of filler (the total of high-refraction-index reflective powder and R2 type rutile titanium dioxide) according to parts by weight; wherein, the grain diameter of the refined quartz sand adopted by the coarse aggregate is required to be 4(4.75mm) to 8 meshes (2.36mm), 8(2.36mm) to 14 meshes (1.18mm), and the proportion of each part is (2.36mm to 4.75 mm): (1.18-2.36 mm) ═ 15:28, namely 7.5 parts of 4-8 mesh parts and 14 parts of 8-14 mesh parts; the fine aggregate is prepared from refined quartz sand with particle size of 48(0.30mm) to 100 mesh, 100(0.15mm) to 200 mesh (0.075mm), and proportion of each part is (0.15-0.30 mm): (0.075-0.15 mm) ═ 10:8, i.e. 5 parts of 48-100 mesh fraction, 4 parts of 100-200 mesh fraction; the high-refraction glass beads adopted by the fine aggregate material have the particle size requirements of 14(1.18mm) to 28 meshes (0.60mm) and 28(0.60mm) to 48 meshes (0.30mm), and the proportion of each part is (0.6-1.18 mm): (0.30-0.60 mm) ═ 12:17, namely 6 parts of 14-28 mesh parts and 8.5 parts of 28-48 mesh parts; the filler adopts 5 parts of high-refractive-index reflective powder with the mesh number of 800-1000 meshes and 1 part of R2 type rutile titanium dioxide with the mesh number of 800-1000 meshes;
(2) preparing a cementing agent: weighing the E51 epoxy resin and the 593 transparent curing agent according to the weight ratio of 1:4, and stirring and mixing to form a uniform transparent fluid cementing agent;
(3) mixing a mixture: mixing the coarse and fine aggregates and R2 type rutile titanium dioxide uniformly; injecting a cementing agent, and stirring for two minutes; then, the high-refractive-index reflective powder and the antioxidant 1010 are added in sequence, and the mixture is rapidly stirred for two minutes, so that the road traffic marking material of the embodiment 3 is obtained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. The road traffic marking material is characterized by comprising the following components in parts by weight: 3-8 parts of cementing material, 20-25 parts of coarse aggregate, 20-25 parts of fine aggregate, 6-8 parts of filler, 1-2 parts of curing agent and 1-2 parts of anti-aging agent, and the cementing material is prepared by uniformly mixing.
2. The road traffic marking material of claim 1, wherein the cementitious material is one of E51 epoxy or E44 epoxy.
3. The road traffic marking material of claim 1, wherein the coarse aggregate is refined quartz sand, the color is pure white and free of impurities, the Mohs hardness reaches 7 Mohs, and the particle size is 4-8 meshes and 8-14 meshes.
4. The road traffic marking material of claim 1, wherein the fine aggregate is refined quartz sand and glass beads; wherein the refined quartz sand is required to be pure white in color and free of impurities, the Mohs hardness reaches 7 Mohs, and the particle size is required to be 48-100 meshes and 100-200 meshes; the glass beads are high-refraction glass beads, the appearance is required to be smooth and round, the rounding rate is more than 85%, the Mohs hardness reaches 6-7 Mohs, the refractive index Nd is more than or equal to 1.9, and the particle size is required to be 14-28 meshes and 28-48 meshes.
5. The road traffic marking material of claim 1, wherein the filler is reflective powder and titanium dioxide; the reflective powder is high-refractive-index reflective powder, the refractive index Nd is larger than or equal to 1.93, and the particle size requirement is 800-1000 meshes; the titanium dioxide is R2 type rutile titanium dioxide, and the particle size requirement is 800-1000 meshes.
6. The road traffic marking material of claim 1, wherein the curing agent is a clear, colorless curing agent.
7. The road traffic marking material of claim 1, wherein the age resister is a plastic age resister.
8. The method of preparing a road traffic marking material of claim 1, comprising the steps of:
(1) preparing materials: weighing 3-8 parts of cementing material, 20-25 parts of coarse aggregate, 20-25 parts of fine aggregate, 6-8 parts of filler, 1-2 parts of curing agent and 1-2 parts of anti-aging agent according to parts by weight;
(2) preparing a cementing agent: mixing the weighed cementing material with a curing agent according to a ratio, wherein the ratio is required to be the curing agent in parts by weight: (3-4) stirring the cementing material to form uniform transparent fluid cementing agent;
(3) mixing a mixture: mixing the coarse aggregate, the fine aggregate (the proportion among the particle size ranges meets the standard requirement) and the titanium dioxide uniformly, injecting a cementing agent, continuously stirring until the mixture is uniform, then sequentially adding the reflective powder and the anti-aging agent, quickly stirring, and stirring to obtain the road traffic marking material; wherein the total mixing time is more than or equal to 300 s.
9. The method for preparing a road traffic marking material according to claim 8, wherein the cementitious material is one of E51 epoxy resin or E44 epoxy resin; the coarse aggregate is refined quartz sand; the fine aggregate is refined quartz sand and high-refraction glass beads; the filler is reflective powder and titanium dioxide; the curing agent is a transparent colorless curing agent; the anti-aging agent is a plastic anti-aging agent.
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| CN114634747A (en) * | 2022-03-16 | 2022-06-17 | 南京兴佑交通科技有限公司 | Modified hot-melt coating for maintaining old marked lines, preparation method thereof and method for maintaining old marked lines by adopting modified hot-melt coating |
| CN115181486A (en) * | 2022-08-12 | 2022-10-14 | 武汉工程大学 | Long-afterglow self-luminous road marking paint and preparation method thereof |
| CN115386277A (en) * | 2022-02-17 | 2022-11-25 | 四川乐涂智慧新材料有限公司 | Formula and preparation process of line drawing paint suitable for sports ground |
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