CN110564256A - Anti-cracking energy-storage self-luminous hot-melt road marking coating and preparation method and application thereof - Google Patents

Abstract

The embodiments of the present invention relate to the field of coatings, in particular to a crack-resistant energy-storage self-luminous hot-melt road marking paint and its preparation method and application. The anti-crack energy-storage self-luminous hot-melt road marking paint provided by the embodiment of the present invention includes the following raw materials in parts by weight: 10-25 parts of epoxy resin modified petroleum resin, 3.0-4.0 parts of pigment, and 40-60 parts of filler , 14-25 parts of glass microspheres, 1.0-6.0 parts of additives, 10.0-15.0 parts of long-lasting luminescent material. The anti-crack type energy-storage self-luminous hot-melt road marking paint provided by the present invention has high luminous intensity and long afterglow time, and has good high and low temperature crack resistance, adhesion, high strength, high hardness, and good water resistance. And alkali resistance, especially suitable for all levels of roads with relatively poor lighting conditions.

Description

An anti-crack type energy-storage self-luminous hot-melt road marking paint and its preparation method and application

technical field

The invention relates to the field of coatings, in particular to an anti-cracking energy-storage self-luminous hot-melt road marking coating and its preparation method and application.

Background technique

Hot-melt road markings have the characteristics of good durability, quick-drying, no solvent volatility and no solvent. In 1960, hot-melt road paint markings were first used on highways in my country and achieved good results. Most of the formulas of hot-melt road markings are composed of resins, pigments and fillers, and various additives according to a certain ratio. After a period of improvement and development, the current hot-melt road marking paints have been widely used in expressways And most highways and urban roads. However, the existing hot-melt road markings have poor crack resistance, poor bonding performance, and poor visibility.

The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art.

Contents of the invention

purpose of invention

In order to solve the problems of poor visibility, poor crack resistance and poor adhesion of traditional hot-melt road marking paints, the object of the present invention is to provide an anti-cracking energy-storage self-luminous hot-melt road marking paint and its preparation method and application. The anti-crack type energy-storage self-luminous hot-melt road marking paint provided by the present invention has high luminous intensity and long afterglow time, and has good high and low temperature crack resistance, adhesion, high strength, high hardness, and good water resistance. And alkali resistance, especially suitable for all levels of roads with relatively poor lighting conditions.

solution

In order to achieve the purpose of the present invention, an embodiment of the present invention provides an anti-cracking energy-storing self-luminous hot-melt road marking paint, which includes the following raw materials in parts by weight:

10-25 parts of epoxy resin modified petroleum resin, 3.0-4.0 parts of pigment, 40-60 parts of filler, 14-25 parts of glass microspheres, 1.0-6.0 parts of additive, and 10.0-15.0 parts of long-lasting luminescent material.

In a possible implementation manner, the anti-cracking energy-storage self-luminous hot-melt road marking paint includes the following raw materials in parts by weight: epoxy resin modified petroleum 18-22 parts of resin, 3.0-4.0 parts of pigment, 40-45 parts of filler, 16-20 parts of glass microspheres, 4.0-6.0 parts of additives, 10.0-13.0 parts of long-lasting luminescent material.

In a possible implementation of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the long-lasting luminescent material includes rare earth-activated alkaline earth aluminate; optionally, the long-lasting luminescent material is SrAl ₂ O ₄ :Eu ²⁺ , Dy ³⁺ ; further optionally, the afterglow color of the long-lasting luminescent material is sky blue or yellow-green.

In a possible implementation of the anti-crack energy storage self-luminous hot-melt road marking paint, the epoxy resin modified petroleum resin is solid epoxy resin E-12 or E-20 modified petroleum resin.

In a possible implementation manner of the anti-crack energy-storing self-luminous hot-melt road marking paint, the petroleum resin includes one or more of C5 aliphatic, C9 aromatic, hydrogenated C5 or hydrogenated C9.

In a possible implementation of the above anti-crack energy storage self-luminous hot-melt road marking paint, the epoxy resin modified petroleum resin is E20 modified C5 petroleum resin, E12 modified C5 petroleum resin, or E20 modified hydrogenated C5 petroleum resin.

In a possible implementation mode of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the preparation method of epoxy resin modified petroleum resin includes the following steps: mixing petroleum resin and solid epoxy resin E-12 or E After mixing and melting -20, add silane coupling agent Z-6040 to obtain epoxy resin modified petroleum resin.

In a possible implementation of the anti-crack energy-storing self-luminous hot-melt road marking paint, the weight ratio of petroleum resin, solid epoxy resin E-12 or E-20, and silane coupling agent is 90-94: 5-7: 1-3.

In a possible implementation mode of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the preparation method of epoxy resin modified petroleum resin includes the following steps: taking out petroleum resin and epoxy resin E-12 or Grind E-20 evenly, mix and heat to 120°C, fix for 1-2h, melt hard gel state; continue to heat up to 160-180°C, gel state softens; add silane coupling agent Z-6040 at this time, and mix with glass rod Uniform and stable cooling for 15-30 minutes.

In a possible implementation manner of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the pigments include white pigments or yellow pigments; optionally, the white pigments are titanium dioxide, and the yellow pigments are chrome yellow.

In a possible implementation manner of the anti-crack energy-storing self-luminous hot-melt road marking paint, the filler includes one or more of light calcium carbonate, heavy calcium carbonate, quartz sand, and talcum powder.

In a possible implementation manner of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the additives include lubricants, plasticizers and tougheners.

In a possible implementation manner of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the lubricant includes polyethylene wax (PE wax).

In a possible implementation manner of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the plasticizer includes dioctyl phthalate (DOP).

In a possible implementation manner of the anti-cracking energy-storing self-luminous hot-melt road marking paint, the toughening agent includes ethylene-vinyl acetate copolymer (EVA) hot-melt adhesive.

In a possible implementation manner, the anti-cracking energy-storage self-luminous hot-melt road marking paint includes the following raw materials in parts by weight: modified epoxy resin 20 parts of C5 petroleum resin, 15 parts of quartz sand, 28 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, and 10 parts of long-lasting self-luminous material.

In a possible implementation manner, the anti-cracking energy-storage self-luminous hot-melt road marking paint includes the following raw materials in parts by weight: modified epoxy resin 20 parts of C5 petroleum resin, 15 parts of quartz sand, 26 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, 12 parts of long-lasting self-luminous material.

The embodiment of the present invention also provides a preparation method of the anti-crack energy-storage self-luminous hot-melt road marking paint, which includes the following steps: weighing each raw material according to the above-mentioned proportion, stirring and mixing.

In a possible implementation of the above preparation method, the stirring is carried out at room temperature, and the stirring time is 1-4 hours.

The anti-crack energy-storage self-luminescent hot-melt road marking paint provided in the embodiments of the present invention is used for road construction after being heated and melted.

The embodiment of the present invention also provides the application of the anti-cracking energy-storing self-luminous hot-melt road marking paint and the preparation method in road construction.

Beneficial effect

(1) The anti-cracking energy-storing self-luminous hot-melt road marking paint of the present invention adopts epoxy resin modified petroleum resin to prepare hot-melt road marking paint, cooperates with various fillers and auxiliary agents, so that the road marking paint has Excellent high and low temperature crack resistance, adhesion, high strength, high hardness, good water resistance and alkali resistance; at the same time, long afterglow luminescent materials are used, so that the prepared hot-melt road marking paint is self-luminous type, with high luminous intensity and long afterglow time, especially suitable for all levels of roads with relatively poor lighting conditions.

Long afterglow luminescent materials work in the form of "light absorption-light storage-self-luminescence", relying on the visible light, ultraviolet rays, infrared rays, etc. absorbed by themselves to store energy, as a light source at night and without light, without any other energy sources Time to shine.

(2) The long-lasting rare earth luminescent material selected in the present invention is safe, non-toxic, environmentally friendly and stable in chemical properties. The present invention further selects Eu ²⁺ , Dy ³⁺ rare earth ion-activated alkaline earth aluminate energy storage luminescent materials, the afterglow colors are sky blue and yellow green respectively, and the excitation and emission spectra of the two long afterglow materials are broadband spectra, Natural light such as fluorescent lamps and sunlight can effectively excite these two materials, and store light energy at the same time. Under no lighting conditions, the stored light energy is released in the form of visible light, and can still emit light even in a dark environment. Up to 12h or more. And the amount of the long afterglow material of the present invention can be adjusted to change the luminous performance to meet actual needs.

(3) The anti-cracking energy-storage self-luminous hot-melt road marking paint provided by the embodiments of the present invention is specially selected solid epoxy resin E-12 or E-20 modified petroleum resin, which can further improve the high performance of the road marking paint. Low temperature crack resistance, cohesiveness, water resistance, alkali resistance and other properties.

(4) The anti-crack energy-storage self-luminous hot-melt road marking paint provided by the embodiment of the present invention is controlled by the selection and dosage of epoxy resin modified petroleum resin, filler, long-lasting luminescent material, various additives, The obtained anti-cracking energy-storage self-luminous hot-melt road marking paint is tested by the method required by the performance of 5.2 hot-melt paint in JT/T 280-2004 "Pavement Road Marking Paint", and its softening point is 115- 125 ℃, the appearance of the coating film after drying, there are no wrinkles, spots, lightening, cracks, peeling, etc.; the color of the coating is white or yellow; there is no abnormal phenomenon after immersion in water for 24 hours, and its water resistance is good; in saturated calcium hydroxide solution There is no abnormal phenomenon after 24 hours of medium immersion, and its alkali resistance is good; keep it at -20°C for 4 hours, and place it at 40°C for 4 hours as a cycle, and do three consecutive cycles without cracks, and the coating has good low-temperature crack resistance; at 200-220°C Keep stirring for 4 hours, without obvious yellowing, coking, agglomeration, etc., and its heating stability is good. All properties of the anti-crack energy-storage self-luminous hot-melt road marking paint of the present invention meet the requirements of relevant indicators, and the low-temperature crack resistance of the coating is better than the requirements of relevant standards.

Description of drawings

One or more embodiments are exemplified by pictures in the accompanying drawings, and these exemplifications are not intended to limit the embodiments. The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

Fig. 1 is the emission spectrum of the anti-crack energy-storage self-luminous hot-melt road marking paint according to Example 1 of the present invention.

Fig. 2 is the emission spectrum of the anti-crack energy-storage self-luminous hot-melt road marking paint according to Example 2 of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

In addition, in order to better illustrate the present invention, numerous specific details are given in the specific embodiments below. It will be understood by those skilled in the art that the present invention may be practiced without certain of the specific details. In some embodiments, materials, components, methods, means, etc. that are well known to those skilled in the art are not described in detail, so as to highlight the gist of the present invention.

In the following examples, the solid epoxy resin E-20 was purchased from Shenzhen Yoshida Chemical Co., Ltd., the model is E-20, the epoxy equivalent is 450-500, and the softening point is 64-76 ° C;

Solid epoxy resin E-12 was purchased from Shenzhen Yoshida Chemical Co., Ltd., the model is E-12, the epoxy equivalent is 600-700, and the softening point is 75-85 ° C;

C5 petroleum resin was purchased from Henghe Material Technology Co., Ltd., which is a special C5 resin for hot-melt road marking paint, the model is YH-1288S, and the softening point is 98-105°C;

The hydrogenated petroleum resin in Example 5 was purchased from Henghe Material Technology Co., Ltd., the model is H5-1000W, and the softening point is 95.0-104.9°C;

The yellow-green long-lasting self-luminescent material was purchased from Jiangxi Xingzheng Industry and Trade Co., Ltd., and the model is yellow-green;

The sky blue long afterglow self-luminous material was purchased from Jiangxi Xingzheng Industry and Trade Co., Ltd., the model is sky blue;

PE wax was purchased from Dongguan Shanyi Plastic Chemical Co., Ltd., the model is WL-122, and the softening point is 112°C;

Ethylene-vinyl acetate copolymer (EVA) hot melt adhesive was purchased from Beijing Huawei Ruike Chemical Co., Ltd., vinyl acetate 32wt.%, melt index 43g/10min (190°C/2.16kg).

In the following examples, the pull-out bond strength is measured by a multifunctional bond strength puller (model HFHC-200), and the bond strength refers to the strength when a load (or tension) is applied to the bonded part to make it break.

The formula for calculating the bonding strength is as follows: R _i = (X _i /S _i )*10 ³ ;

In the formula, Ri——the bonding strength of the i-th sample (MPa);

Xi——adhesion force of the i-th sample (kN);

Si—the cross-sectional area of the i-th sample (mm ² ).

Example 1

1. An anti-cracking energy-storing self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight:

20 parts of epoxy resin E-20 modified C5 petroleum resin, 15 parts of quartz sand, 28 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, yellow 10 parts of green long afterglow self-luminous material;

Wherein, epoxy resin E-20 modified C5 petroleum resin is prepared by following method:

Get 90 parts by weight of C5 petroleum resin, 7 parts of solid epoxy resin E-20 and 3 parts of silane coupling agent Z-6040;

Grind the taken out C5 petroleum resin and epoxy resin E-20 evenly, mix and heat at a fixed temperature of 120°C for 2 hours to melt into a hard gel state, continue to heat up to 160°C, and the gel state softens, then add silane coupling agent Z- 6040, and mix evenly with a glass rod, stabilize for 30 minutes and cool down.

2. The preparation method of the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint comprises the following steps:

Weigh each raw material according to the above formula, stir in a mixer at room temperature for 2 hours, ensure thorough mixing, and obtain a uniformly mixed white anti-cracking energy-storing self-luminous hot-melt road marking paint.

3. The method of using the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint includes the following steps:

The above-mentioned white anti-cracking energy-storing self-luminous hot-melt road marking paint was heated and melted for 1.5 hours to ensure full melting, and simulated road construction was carried out. The appearance of the marking coating film was white, flat and smooth; 6.5 MPa.

Under the condition of no illumination, the self-luminous intensity is high, and it emits yellow-green light for up to 12 hours. Its emission spectrum is shown in Figure 1. The strongest emission peak is located at 527nm, emitting yellow-green light.

Example 2

1. An anti-cracking energy-storing self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight:

20 parts of epoxy resin E-20 modified C5 petroleum resin, 15 parts of quartz sand, 28 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, sky blue Color length afterglow self-luminous material 10 parts;

Wherein, the preparation method of epoxy resin E-20 modified C5 petroleum resin is the same as embodiment 1.

2. The preparation method of the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint comprises the following steps:

Weigh each raw material according to the above formula, stir in a mixer at room temperature for 2 hours, ensure thorough mixing, and obtain a uniformly mixed white anti-cracking energy-storing self-luminous hot-melt road marking paint.

3. The method of using the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint includes the following steps:

The above-mentioned white anti-cracking energy-storing self-luminous hot-melt road marking paint was heated and melted for 1.5 hours to ensure full melting, and simulated road construction was carried out. The appearance of the marking coating film was white, flat and smooth; 6.3MPa.

Under the condition of no illumination, the self-luminous intensity is high, and it emits sky-blue light for up to 12 hours. Its emission spectrum is shown in Figure 2. The strongest emission peak is at 474nm, and it emits sky-blue light.

Example 3

1. An anti-cracking energy-storing self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight:

20 parts of epoxy resin E-20 modified C5 petroleum resin, 15 parts of quartz sand, 26 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, sky blue 12 parts of color length afterglow self-luminous material;

Wherein, the preparation method of epoxy resin E-20 modified C5 petroleum resin is the same as embodiment 1.

2. The preparation method of the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint comprises the following steps:

Weigh each raw material according to the above formula, stir in a mixer at room temperature for 2 hours, ensure thorough mixing, and obtain a uniformly mixed white anti-cracking energy-storing self-luminous hot-melt road marking paint.

3. The method of using the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint includes the following steps:

The above-mentioned white anti-cracking energy-storing self-luminous hot-melt road marking paint was heated and melted for 1.5 hours to ensure full melting, and simulated road construction was carried out. The appearance of the marking coating film was white, flat and smooth; 6.2MPa.

Under the condition of no lighting, the self-luminous intensity is high, and it emits sky blue light for up to 12 hours.

Example 4

1. An anti-cracking energy-storing self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight:

20 parts of epoxy resin E-12 modified C5 petroleum resin, 15 parts of quartz sand, 26 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, yellow 12 parts of green long afterglow self-luminous materials;

Wherein, epoxy resin E-12 modified C5 petroleum resin is prepared by following method:

Get 90 parts by weight of C5 petroleum resin, 7 parts of solid epoxy resin E-12 and 3 parts of silane coupling agent Z-6040;

Grind the taken-out C5 petroleum resin and epoxy resin E-12 evenly, mix and heat at a fixed temperature of 120°C for 2 hours, and melt into a hard gel state, continue to heat up to 160°C, and the gel state softens, then add silane coupling agent Z- 6040, and mix evenly with a glass rod, stabilize for 30 minutes and cool down.

2. The preparation method of the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint comprises the following steps:

Weigh each raw material according to the above formula, stir in a mixer at room temperature for 2 hours, ensure thorough mixing, and obtain a uniformly mixed white anti-cracking energy-storing self-luminous hot-melt road marking paint.

3. The method of using the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint includes the following steps:

The above-mentioned white anti-cracking energy-storing self-luminous hot-melt road marking paint was heated and melted for 1.5 hours to ensure full melting, and simulated road construction was carried out. The appearance of the marking coating film was white, flat and smooth; 6.9MPa.

Under the condition of no lighting, the self-luminous intensity is high, and it emits yellow-green light for up to 12 hours.

Example 5

1. An anti-cracking energy-storing self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight:

20 parts of epoxy resin E-20 modified hydrogenated C5 petroleum resin, 15 parts of quartz sand, 28 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, 10 parts of sky blue long afterglow self-luminous material;

Wherein, epoxy resin E-20 modified hydrogenated C5 petroleum resin is prepared by following method:

Get 90 parts by weight of hydrogenated C5 petroleum resin, 7 parts of solid epoxy resin E-20 and 3 parts of silane coupling agent Z-6040;

Grind the taken-out hydrogenated C5 petroleum resin and epoxy resin E-20 evenly, mix and heat at a fixed temperature of 120°C for 2 hours, melt the hard gel state, continue to heat up to 160°C, and the gel state softens, then add silane coupling agent Z -6040, and mix evenly with a glass rod, stabilize for 30 minutes and cool down.

2. The preparation method of the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint comprises the following steps:

Weigh each raw material according to the above formula, stir in a mixer at room temperature for 2 hours, ensure thorough mixing, and obtain a uniformly mixed white anti-cracking energy-storing self-luminous hot-melt road marking paint.

3. The method of using the above-mentioned anti-crack energy storage self-luminous hot-melt road marking paint includes the following steps:

The above-mentioned white anti-cracking energy-storing self-luminous hot-melt road marking paint was heated and melted for 1.5 hours to ensure full melting, and simulated road construction was carried out. The appearance of the marking coating film was white, flat and smooth; 6.8 MPa.

Under the condition of no lighting, the self-luminous intensity is high, and it emits sky blue light for up to 12 hours.

Test case

The performance of the finished product obtained in the embodiment is tested. The test method is tested according to the method required by the performance of 5.2 hot-melt coatings in the traffic industry standard of the People's Republic of China "Pavement Road Marking Paint" (JT/T 280-2004), and the softening point, coating appearance and water resistance are respectively tested. , Alkali resistance, coating low temperature crack resistance, and heating stability were tested. The test results are shown in the table below.

Table 1 softening point and appearance of coating film

It can be seen from Table 1 that the softening point of the road marking paint of the present invention is between 115-125°C, and the appearance of the coating film after drying has no wrinkles, spots, flashing, cracks, peeling, etc., which meets the requirements of relevant standards .

Table 2 Water resistance and alkali resistance

As can be seen from Table 2, the water resistance and alkali resistance of the road marking paint of the present invention are excellent, and there is no abnormal phenomenon in immersion in water for 24 hours, and there is no abnormal phenomenon in immersion in calcium hydroxide saturated solution for 24 hours.

Table 3 Coating Low Temperature Crack Resistance

As can be seen from Table 3, the road marking paint of the present invention has good low-temperature crack resistance of the coating. It is maintained at -10°C for 4 hours, placed at room temperature for 4 hours as a cycle, and after 3 consecutive cycles, there is no crack.

Table 4 Heating Stability

It can be seen from Table 4 that the road marking paint of the present invention has good heating stability, and can be kept under stirring at 220°C for 4 hours without obvious coking, yellowing, agglomeration and the like.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. An anti-cracking energy storage self-luminous hot-melt road marking paint, comprising the following raw materials in parts by weight: 10-25 parts of epoxy resin modified petroleum resin, 3.0-4.0 parts of pigment, 40-60 parts of filler, 14-25 parts of glass microspheres, 1.0-6.0 parts of additive, and 10.0-15.0 parts of long-lasting luminescent material. 2. anti-cracking energy storage self-luminous hot-melt road marking paint according to claim 1, characterized in that, said anti-cracking energy-storage self-luminous hot-melt road marking paint comprises the following raw materials in parts by weight: epoxy 18-22 parts of resin-modified petroleum resin, 3.0-4.0 parts of pigment, 40-45 parts of filler, 16-20 parts of glass microspheres, 4.0-6.0 parts of additives, 10.0-13.0 parts of long-lasting luminescent material. 3. The anti-cracking energy-storage self-luminous hot-melt road marking paint according to claim 1, wherein the long-lasting luminescent material comprises rare earth-activated alkaline earth aluminates; optionally, the long-lasting luminescent material is _SrAl2 O ₄ : Eu ²⁺ , Dy ³⁺ ; further optionally, the afterglow color of the long-lasting luminescent material is sky blue or yellow-green; And/or, epoxy resin modified petroleum resin is solid epoxy resin E-12 or E-20 modified petroleum resin, optionally, described petroleum resin comprises C5 aliphatic, C9 aromatic hydrocarbon, hydrogenated C5 or hydrogenated C9 One or more of them; further optionally, the epoxy resin modified petroleum resin is E20 modified C5 petroleum resin, E12 modified C5 petroleum resin, or E20 modified hydrogenated C5 petroleum resin. 4. anti-crack energy storage self-luminous hot-melt road marking paint according to claim 3, is characterized in that, the preparation method of epoxy resin modified petroleum resin comprises the steps: petroleum resin and solid epoxy resin E After -12 or E-20 is mixed and melted, add silane coupling agent Z-6040 to obtain epoxy resin modified petroleum resin; among them, petroleum resin, solid epoxy resin E-12 or E-20, silane coupling agent The weight ratio is 90-94:5-7:1-3; Optionally, the preparation method of epoxy resin modified petroleum resin includes the following steps: grind the taken out petroleum resin and epoxy resin E-12 or E-20 evenly, mix and heat to 120°C, fix for 1-2h, melt Hard gel state; continue to heat up to 160-180°C, the gel state softens; at this time, add silane coupling agent Z-6040, mix evenly with a glass rod, stabilize for 15-30min and cool down. 5. The anti-cracking energy-storage self-luminous hot-melt road marking paint according to claim 1, wherein the pigment comprises white pigment or yellow pigment; optionally, the white pigment is titanium dioxide, and the yellow pigment is chrome yellow; And/or, the filler includes one or more of light calcium carbonate, heavy calcium carbonate, quartz sand, and talcum powder; And/or, auxiliary agent comprises lubricant, plasticizer and toughener; Optionally, lubricant comprises polyethylene wax, plasticizer comprises dioctyl phthalate, toughener comprises ethylene-vinyl acetate copolymer hot melt adhesive. 6. anti-cracking energy storage self-luminous hot-melt road marking paint according to claim 1, characterized in that, said anti-cracking energy-storage self-luminous hot-melt road marking paint comprises the following raw materials in parts by weight: epoxy 20 parts of resin modified C5 petroleum resin, 15 parts of quartz sand, 28 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, 10 parts of long afterglow self-luminous material share. 7. anti-cracking energy storage self-luminous hot-melt road marking paint according to claim 1, characterized in that, said anti-cracking energy-storage self-luminous hot-melt road marking paint comprises the following raw materials in parts by weight: epoxy 20 parts of resin modified C5 petroleum resin, 15 parts of quartz sand, 26 parts of calcium carbonate powder, 18 parts of glass microspheres, 4 parts of titanium dioxide, 2 parts of PE wax, 1.5 parts of DOP, 1.5 parts of EVA, 12 parts of long afterglow self-luminous material share. 8. The preparation method of the anti-crack energy-storage self-luminous hot-melt road marking paint according to claim 1, comprising the following steps: weighing each raw material according to the proportion, stirring and mixing. 9. The using method of the anti-cracking energy-storage self-luminous hot-melt road marking paint according to claim 1, comprising the following steps: after heating and melting the anti-cracking energy-storing self-luminous hot-melt road marking paint, carrying out ROAD WORK. 10. The application of the anti-cracking energy storage self-luminous hot-melt road marking paint according to claim 1 or the preparation method according to claim 8 in road construction.