CN111138114A - Road energy-storage self-luminous epoxy resin mixture, preparation method and application - Google Patents
Road energy-storage self-luminous epoxy resin mixture, preparation method and application Download PDFInfo
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- CN111138114A CN111138114A CN202010003108.1A CN202010003108A CN111138114A CN 111138114 A CN111138114 A CN 111138114A CN 202010003108 A CN202010003108 A CN 202010003108A CN 111138114 A CN111138114 A CN 111138114A
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/358—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with a combination of two or more binders according to groups E01C7/351 - E01C7/356
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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
- C04B2111/807—Luminescent or fluorescent materials
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Abstract
The invention discloses a road energy-storage self-luminous epoxy resin mixture, a preparation method and application thereof, wherein the road energy-storage self-luminous epoxy resin mixture comprises the following components: coarse aggregate, fine aggregate, epoxy resin, a toughening agent, a curing agent and fluorescent powder; the nominal grain size of the coarse aggregate is more than 2.36mm, the nominal grain size of the fine aggregate is 0.15 mm-2.36 mm, and the nominal grain size of the fluorescent powder is less than 0.15 mm; the epoxy resin accounts for 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, the toughening agent accounts for 0.4-1.0% of the total mass of the coarse aggregate and the fine aggregate, the curing agent accounts for 1.0-2.5% of the total mass of the coarse aggregate and the fine aggregate, and the fluorescent powder accounts for 5.0-10.0% of the total mass of the coarse aggregate and the fine aggregate. The invention skillfully exerts the advantages of the fluorescent powder by using the colorless and transparent epoxy resin, so that the epoxy resin mixture has good light transmission and ideal luminous effect, and the epoxy resin proportion can meet the requirement of road performance and has protective effect on the fluorescent powder; fluorescent powder with nominal particle size smaller than 0.15mm is adopted to replace fine aggregate smaller than 0.15mm, mechanical property of a pavement structure is not affected, and the light-emitting road surface structure has the beneficial effects of energy storage and light emission.
Description
Technical Field
The invention belongs to the field of pavement engineering, and particularly relates to an energy-storage self-luminous epoxy resin mixture for roads, a preparation method and application.
Background
By 2018, the total mileage of rural roads in China reaches 403.97 kilometers, the length of the lines of the rural roads is wide, the cost for installing roadside lighting facilities is high, the time consumption is long, a large amount of power resources are consumed, and strong light pollution is caused, so that the rural roads in China lack lighting facilities at night, light irradiation is needed to reflect light on common sign lines, pedestrians or non-motor vehicles cannot see the sign lines clearly in time, danger is caused, and meanwhile, hidden danger is brought to traffic safety. Therefore, the development of the energy-storage self-luminous pavement is significant.
The energy-storage self-luminous pavement can be defined as a pavement which is formed by doping long-afterglow powder, fluorescent stone and other fluorescent materials into a pavement material, can absorb ultraviolet rays and the like to store energy in the daytime and emits fluorescence after light disappears at night. At present, the energy-storage self-luminous pavement is mainly realized through two ways: coating a fluorescent coating on the surface of an asphalt or cement pavement; and (II) preparing the fluorescent stone to be mixed into the pavement mixture. Both of these approaches have certain limitations and disadvantages. The fluorescent coating is coated on the surface of the pavement, so that the structural depth of the pavement is seriously damaged, the skid resistance of the pavement is reduced, and the traffic safety is very unfavorable particularly in rainy and snowy days; in addition, the coating on the surface of the road surface is directly contacted with the tire and is easy to wear, so that the coating is peeled off, the luminous effect is not ideal, and the later maintenance and repair cost is high; and the coating is directly influenced by weather factors such as sun, ice, snow, rainwater and the like, and is easy to age, so that the luminous performance is gradually reduced. The strength and the bearing capacity of the pavement can be reduced by doping the fluorescent stone into the pavement mixture; in addition, the luminescent intensity of the fluorite is weak, and the luminescent effect is not ideal.
Therefore, in view of the defects and shortcomings of the existing energy storage self-luminous pavement material and design, it is necessary to develop and research a more complete energy storage self-luminous pavement material and design method.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an energy-storage self-luminous epoxy resin mixture for roads, a preparation method and application thereof, and the mixture has the advantages of good luminous effect, long fluorescence time and excellent road performance.
In order to solve the technical problems, the invention is realized by the following technical scheme:
an energy-storage self-luminous epoxy resin mixture for roads comprises the following components: coarse aggregate, fine aggregate, epoxy resin, a toughening agent, a curing agent and fluorescent powder;
the nominal grain size of the coarse aggregate is more than 2.36mm, the nominal grain size of the fine aggregate is 0.15-2.36 mm, and the nominal grain size of the fluorescent powder is less than 0.15 mm;
the epoxy resin accounts for 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, the toughening agent accounts for 0.4-1.0% of the total mass of the coarse aggregate and the fine aggregate, the curing agent accounts for 1.0-2.5% of the total mass of the coarse aggregate and the fine aggregate, and the fluorescent powder accounts for 5.0-10.0% of the total mass of the coarse aggregate and the fine aggregate.
Further, the coarse aggregate is basalt or diabase.
Further, the fine aggregate is limestone, diabase or gneiss.
Further, the epoxy resin is bisphenol A diglycidyl ether E51 type epoxy resin or E44 type epoxy resin.
Further, the toughening agent is a dibutyl phthalate toughening agent.
Further, 593 curing agent or polyether amine D-230 curing agent is adopted as the curing agent.
Furthermore, the fluorescent powder adopts a long afterglow material, and the afterglow visible time is longer than 8 hours.
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: adding the toughening agent into the epoxy resin, and stirring and mixing uniformly;
step 2: adding the curing agent into the mixture obtained in the step 1, and uniformly stirring and mixing to obtain an adhesive;
and step 3: adding the fluorescent powder into the adhesive obtained in the step (2), and uniformly stirring and mixing to obtain a fluorescent powder cementing material;
and 4, step 4: and (3) adding the fluorescent powder cementing material obtained in the step (3) into the fine aggregate, stirring and mixing uniformly, adding the coarse aggregate, stirring and mixing uniformly to obtain the energy-storage self-luminous epoxy resin mixture.
Further, in the step 1, the stirring temperature is 25-30 ℃, the stirring speed is 1500r/min, and the stirring time is 10-15 min;
in the step 2, the stirring temperature is 25-30 ℃, the stirring speed is 2000r/min, and the stirring time is 10-15 min;
in the step 3, the time of the adding process is 3-5min, an emulsification shearing machine is adopted for stirring, the stirring temperature is 25-30 ℃, the stirring speed is 4000r/min, and the stirring time is 15-20 min;
in step 4, the stirring temperature of the fluorescent powder cementing material and the fine aggregate is 25-30 ℃, and the stirring time is 3-5 min; after the coarse aggregate is added, the stirring temperature is 25-30 ℃, and the stirring time is 3-5 min.
The application of the energy-storing self-luminous epoxy resin mixture for roads is to lay the energy-storing self-luminous epoxy resin mixture for roads on a road surface.
Compared with the prior art, the invention at least has the following beneficial effects: the invention relates to a road energy-storage self-luminous epoxy resin mixture, which comprises the following components: coarse aggregate, fine aggregate, epoxy resin, a toughening agent, a curing agent and fluorescent powder; the nominal grain size of the coarse aggregate is more than 2.36mm, the nominal grain size of the fine aggregate is 0.15 mm-2.36 mm, and the nominal grain size of the fluorescent powder is less than 0.15 mm; the epoxy resin accounts for 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, the toughening agent accounts for 0.4-1.0% of the total mass of the coarse aggregate and the fine aggregate, the curing agent accounts for 1.0-2.5% of the total mass of the coarse aggregate and the fine aggregate, and the fluorescent powder accounts for 5.0-10.0% of the total mass of the coarse aggregate and the fine aggregate. The resin binder prepared by selecting the components and mixing the components according to the proportion has good viscosity and fluidity, and is convenient to construct; meanwhile, the cured resin has high strength and can meet the requirements of road performance. In addition, the resin can well wrap the fluorescent powder, the fluorescent powder is well protected from being influenced by external factors (water, tire abrasion and the like), the luminous performance of the fluorescent powder is fully protected, the compressive strength is high, the high-temperature anti-rutting performance is good, the low-temperature deformation capability is strong, and the service life of the self-luminous pavement is prolonged. The invention skillfully exerts the advantages of the fluorescent powder by using the colorless and transparent epoxy resin, so that the epoxy resin mixture has good light transmission and ideal luminous effect, and the epoxy resin proportion can meet the requirement of road performance and has protective effect on the fluorescent powder; fluorescent powder with nominal particle size smaller than 0.15mm is adopted to replace fine aggregate smaller than 0.15mm, mechanical property of a pavement structure is not affected, and the light-emitting road surface structure has the beneficial effects of energy storage and light emission.
Furthermore, the coarse aggregate is basalt or diabase, and the rock has strong compression resistance, low crushing value, strong corrosion resistance, good wear resistance and edge angle performance, and strong embedding and extruding effect among particles, and is the best choice for paving the coarse aggregate on the road.
Furthermore, the fine aggregate is limestone, diabase or gneiss, and the rock has the advantages of strong corrosion resistance, wear resistance and the like, and is the optimal choice for paving the fine aggregate on the highway.
Furthermore, the epoxy resin adopts bisphenol A diglycidyl ether E51 type epoxy resin or E44 type epoxy resin, and the epoxy resin has the characteristics of strong adhesion, low viscosity, high toughness, small shrinkage force, excellent mechanical property, chemical resistance, heat resistance and the like, and simultaneously has colorless and transparent appearance after being cured, thereby being very beneficial to the luminescence and light excitation of the fluorescent powder.
Furthermore, the toughening agent adopts a dibutyl phthalate toughening agent, and the toughening agent is added into the epoxy resin, so that the flexibility of the cured resin can be obviously improved, the tensile resistance and the fatigue resistance of the cured resin are improved, and the cured resin can better serve a pavement.
Furthermore, the curing agent is 593 curing agent or polyether amine D-230 curing agent, the curing agent is liquid at normal temperature, the operation is convenient, the curing condition is simple, the curing can be carried out quickly at normal temperature, and the resin is high in strength and high in hardness after being cured, is colorless and transparent solid and is very beneficial to the luminescence and light excitation of the fluorescent powder.
Furthermore, the fluorescent powder is made of a long afterglow material, the afterglow visible time is longer than 8 hours, and the long afterglow time can enable the self-luminous road surface to keep shining at night, so that the danger caused by insufficient sight line during night driving is reduced.
According to the preparation method of the road energy storage self-luminous epoxy resin mixture, the mixture of the epoxy resin and the toughening agent is prepared under the conditions of the limited temperature, the limited stirring time and the limited stirring speed, so that the road performance requirement of the epoxy resin is fully met, the feasibility of operation is ensured, and a stable foundation is provided for the preparation of the epoxy resin mixture; under the conditions of limited temperature, limited stirring time and limited stirring speed, the curing agent is added into the mixture of the epoxy resin and the toughening agent according to a limited proportion to prepare the adhesive, so that the adhesive is ensured to have excellent viscosity, stable performance and strong operability; the fluorescent powder cementing material is prepared under the conditions of limited temperature, limited stirring time and limited stirring speed, so that the excellent service performance of the fluorescent powder cementing material is ensured, and the uniform stability of the fluorescent powder cementing material is ensured by adopting an emulsifying shearing machine; by controlling the sequence of adding the fine aggregate and the coarse aggregate, the aggregate and the fluorescent powder cementing material are ensured to form stable and reliable cement paste, the mixing time and the mixing temperature are easy to control, and the construction workability is preferentially ensured. The mixture prepared by the method of the invention has good compressive strength after being cured, and meanwhile, the luminous effect can be well exerted, thereby meeting the use requirements.
The road energy-storage self-luminous epoxy resin mixture is laid on a road surface, the road surface has good luminous effect and high intensity, meanwhile, the resin can well protect fluorescent powder, the service life is long, the maintenance cost is low, the defect that the luminous effect is reduced due to the fact that the existing luminous coating technology is easily affected by external factors is well made up, and the defect that the luminous intensity is insufficient due to the fact that a luminous stone is adopted to lay the road is avoided. The invention effectively solves the potential safety hazard existing on rural highways at night and provides a solution for the construction of intelligent highways; the energy-storage self-luminous epoxy resin mixture for roads has the advantages of economic and reasonable raw materials, good luminous effect and strong operability, can be widely applied to rural highways or road structures lacking lighting facilities at urban and rural junctions, and has great significance.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solution in the embodiment of the present invention, a preparation flow chart will be drawn below for a preparation method of the energy-storing self-luminous epoxy resin mixture for roads of the present invention.
FIG. 1 is a flow chart of a preparation method of the energy-storage self-luminous epoxy resin mixture for roads.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a road energy-storage self-luminous epoxy resin mixture, which comprises the following components: coarse aggregate, fine aggregate, epoxy resin, a toughening agent, a curing agent and fluorescent powder. The coarse aggregate and the fine aggregate are designed according to the design gradation of the existing standard 'technical Specification for construction of asphalt pavement for roads' (JTG F40-2004), and the gradation is suitable for common dense-graded asphalt mixture, porous asphalt mixture, asphalt mastic macadam and the like. The nominal grain size of the coarse aggregate is more than 2.36mm, and the coarse aggregate is made of basalt or diabase with good lithology, low needle sheet content and good edge and corner properties; the nominal grain size of the fine aggregate is 0.15 mm-2.36 mm, and the fine aggregate adopts limestone, diabase or gneiss; the nominal particle size of the fluorescent powder is less than 0.15 mm. The epoxy resin accounts for 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, the toughening agent accounts for 0.4-1.0% of the total mass of the coarse aggregate and the fine aggregate, the curing agent accounts for 1.0-2.5% of the total mass of the coarse aggregate and the fine aggregate, and the fluorescent powder accounts for 5.0-10.0% of the total mass of the coarse aggregate and the fine aggregate.
The epoxy resin is bisphenol A diglycidyl ether E51 type epoxy resin or E44 type epoxy resin; the toughening agent adopts dibutyl phthalate toughening agent, the epoxy resin is colorless and transparent, has the advantages of good light transmission and ideal light-emitting effect, and the epoxy resin wraps the fluorescent powder, so that the fluorescent powder is effectively protected; the curing agent is 593 curing agent or polyether amine D-230 curing agent formed by addition of diethylenetriamine and butyl glycidyl ether, and the curing agent is colorless and transparent and has the advantages of good light transmission and ideal light-emitting effect; the fluorescent powder adopts rare earth ion europium and dysprosium excited aluminate-based or silicate-based long afterglow phosphor which mainly has the functions of energy storage and luminescence, the afterglow visible time is longer than 8h, and the afterglow visible time means that the brightness of a sample is attenuated to 0.32mcd/m from the excited state2Time of (d). The long-afterglow luminescent material is a kind of photoluminescence material which can emit visible light under the excitation of light source, store partial light energy and release the energy slowly in the form of light after the excitation is stopped.
The invention relates to a preparation method of a road energy-storage self-luminous epoxy resin mixture, which comprises the following steps:
step 1: carrying out grading design on coarse aggregates (the nominal particle size is more than 2.36mm), fine aggregates (the nominal particle size is 0.15-2.36 mm) and fluorescent powder (the nominal particle size is less than 0.15mm) according to the existing standard of technical Specification for constructing asphalt road surfaces of highways (JTG F40-2004);
step 2: weighing epoxy resin and a toughening agent according to design gradation in percentage by weight, wherein the doping amount of the toughening agent is 0.4-1.0% of the total mass of coarse aggregate and fine aggregate, the doping amount of the epoxy resin is 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 25-30 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 10-15min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 1.0-2.5% of the total mass of coarse aggregate and fine aggregate, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the stirring temperature at 25-30 ℃, the stirring speed at 2000r/min, and the stirring time at 10-15min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 5-10% of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 3-5min, the adding process keeps continuous stirring, stirring is carried out through an emulsification shearing machine, the stirring temperature is kept at 25-30 ℃, the stirring speed is 4000r/min, and the stirring time is 15-20min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 25-30 ℃ during stirring, wherein the stirring time is 3-5min, adding the coarse aggregate after the fluorescent powder cementing material C and the fine aggregate are stirred, stirring by using the stirring pot after the addition is finished, keeping the temperature at 25-30 ℃ during stirring, and keeping the stirring time at 3-5min, so as to obtain the energy-storage self-luminous epoxy resin mixture.
Following the above technical solution, the following examples are provided.
Example 1
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 1.
TABLE 1
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 0.4 percent of the total mass of coarse aggregate and fine aggregate, the doping amount of the epoxy resin is 7.0 percent of the total mass of the coarse aggregate and the fine aggregate, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 25 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 10min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 1.2% of the total mass of coarse aggregates and fine aggregates, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the temperature at 25 ℃ during stirring, and stirring at the rotating speed of 2000r/min for 10min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 6% of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 3min, the adding process is kept under continuous stirring, stirring is carried out through an emulsifying shearing machine, the stirring temperature is kept at 25 ℃, the stirring speed is 4000r/min, and the stirring time is 15min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 25 ℃ during stirring, wherein the stirring time is 3min, adding the coarse aggregate after the fluorescent powder cementing material C and the fine aggregate are stirred, stirring by using the stirring pot after the addition is finished, keeping the temperature at 25 ℃ during stirring, and keeping the stirring time at 3min, thereby obtaining the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 30.2MPa, and the afterglow time is 8.5 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Example 2
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 2.
TABLE 2
| Particle size (mm) | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.75 |
| Passage Rate (%) | 100 | 95 | 60 | 44 | 32 | 23 | 14 | 8 | 5 |
| Mass ratio (%) | 0 | 5 | 35 | 16 | 12 | 9 | 9 | 6 | 3 |
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 0.4% of the total mass of coarse aggregate and fine aggregate, the doping amount of the epoxy resin is 8% of the total mass of the coarse aggregate and the fine aggregate, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 26 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 11min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 1.0% of the total mass of coarse aggregates and fine aggregates, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the stirring temperature at 26 ℃, the stirring speed at 2000r/min and the stirring time at 11min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 8% of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 4min, the adding process is kept under continuous stirring, stirring is carried out through an emulsification shearing machine, the stirring temperature is kept at 26 ℃, the stirring speed is 4000r/min, and the stirring time is 16min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 26 ℃ during stirring, wherein the stirring time is 4min, adding the coarse aggregate after the fluorescent powder cementing material C and the fine aggregate are stirred, stirring by using the stirring pot after the addition is finished, keeping the temperature at 26 ℃ during stirring, and keeping the stirring time at 3min, thereby obtaining the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 33.4MPa, and the afterglow time is 9.0 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Example 3
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 3.
TABLE 3
| Particle size (mm) | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.75 |
| Passage Rate (%) | 95 | 62.5 | 27 | 20.5 | 19 | 16 | 11 | 10 | 8 |
| Quality ofRatio (%) | 5 | 32.5 | 35.5 | 6.5 | 1.5 | 3 | 5 | 1 | 2 |
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 0.6 percent of the total mass of coarse aggregate and fine aggregate, the doping amount of the epoxy resin is 10.0 percent of the total mass of the coarse aggregate and the fine aggregate, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 28 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 12min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 2.5% of the total mass of coarse aggregates and fine aggregates, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the temperature at 28 ℃ during stirring, and stirring at the rotating speed of 2000r/min for 12min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 10% of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 5min, the adding process is kept under continuous stirring, stirring is carried out through an emulsification shearing machine, the temperature is kept at 28 ℃ during stirring, the stirring speed is 4000r/min, and the stirring time is 18min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 28 ℃ during stirring, wherein the stirring time is 5min, adding the coarse aggregate after the stirring of the fluorescent powder cementing material C and the fine aggregate is finished, stirring by using the stirring pot after the addition is finished, keeping the temperature at 28 ℃ during stirring, and keeping the stirring time at 5min to obtain the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 41.6MPa, and the afterglow time is 9.5 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Example 4
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 4.
TABLE 4
| Particle size (mm) | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.75 |
| Passage Rate (%) | 95 | 77 | 53 | 37 | 27 | 19 | 13 | 8 | 6 |
| Mass ratio (%) | 5 | 18 | 24 | 16 | 10 | 8 | 6 | 5 | 2 |
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 0.8 percent of the total mass of coarse aggregates and fine aggregates, the doping amount of the epoxy resin is 6.0 percent of the total mass of the coarse aggregates and the fine aggregates, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 30 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 15min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 2.0% of the total mass of coarse aggregates and fine aggregates, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the temperature at 30 ℃ during stirring, and stirring at the rotating speed of 2000r/min for 15min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 8.0 percent of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 3min, the adding process keeps continuous stirring, stirring is carried out through an emulsification shearing machine, the stirring temperature is kept at 30 ℃, the stirring speed is 4000r/min, and the stirring time is 20min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 30 ℃ during stirring, wherein the stirring time is 3min, adding the coarse aggregate after the fluorescent powder cementing material C and the fine aggregate are stirred, stirring by using the stirring pot after the addition is finished, keeping the temperature at 30 ℃ during stirring, and keeping the stirring time at 3min, thereby obtaining the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 31.9MPa, and the afterglow time is 9.0 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Example 5
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 5.
TABLE 5
| Particle size (mm) | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.75 |
| Passage Rate (%) | 95 | 65 | 21 | 16 | 12 | 10 | 7 | 5 | 4 |
| Mass ratio (%) | 5 | 30 | 44 | 5 | 4 | 2 | 3 | 2 | 1 |
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 1.0% of the total mass of coarse aggregates and fine aggregates, the doping amount of the epoxy resin is 10.0% of the total mass of the coarse aggregates and the fine aggregates, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 26 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 13min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 1.5% of the total mass of coarse aggregates and fine aggregates, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the stirring temperature at 26 ℃, the stirring speed at 2000r/min and the stirring time at 13min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 5% of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, wherein the adding process lasts for 4min, the adding process is kept under continuous stirring, stirring is carried out through an emulsification shearing machine, the stirring temperature is kept at 26 ℃, the stirring speed is 4000r/min, and the stirring time is 18min, so as to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 26 ℃ during stirring, wherein the stirring time is 4min, adding the coarse aggregate after the fluorescent powder cementing material C and the fine aggregate are stirred, stirring by using the stirring pot after the addition is finished, keeping the temperature at 26 ℃ during stirring, and keeping the stirring time at 4min, thereby obtaining the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 40.7MPa, and the afterglow time is 8.2 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Example 6
A preparation method of a road energy-storage self-luminous epoxy resin mixture comprises the following steps:
step 1: the coarse aggregate (nominal grain size is larger than 2.36mm), the fine aggregate (nominal grain size is 0.15 mm-2.36 mm) and the fluorescent powder (nominal grain size is smaller than 0.15mm) are graded according to the existing standard 'technical Specification for road asphalt pavement construction' (JTG F40-2004), and the grading design is shown in Table 6.
TABLE 6
| Particle size (mm) | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.75 |
| Passage Rate (%) | 100 | 95 | 44 | 26 | 20 | 17 | 14 | 9 | 8 |
| Mass ratio (%) | 0 | 5 | 51 | 18 | 6 | 3 | 3 | 5 | 1 |
Step 2: weighing epoxy resin and a toughening agent according to the design gradation of table 1 in percentage by weight, wherein the doping amount of the toughening agent is 1.0% of the total mass of coarse aggregate and fine aggregate, the doping amount of the epoxy resin is 6.0% of the total mass of the coarse aggregate and the fine aggregate, adding the toughening agent into the epoxy resin, keeping continuous stirring in the adding process, stirring by a stirrer, keeping the temperature at 29 ℃ during stirring, the stirring speed at 1500r/min, and the stirring time at 14min to obtain a mixture A;
and step 3: weighing a curing agent according to design grading in percentage by weight, wherein the mixing amount of the curing agent is 1.0 percent of the total mass of coarse aggregate and fine aggregate, adding the curing agent into a mixture A of epoxy resin and a toughening agent, continuously stirring in the adding process, stirring by a stirrer, keeping the temperature at 29 ℃ during stirring, and stirring at the rotating speed of 2000r/min for 14min to obtain an adhesive B;
and 4, step 4: weighing fluorescent powder according to design gradation by weight percentage, wherein the mass of the fluorescent powder is 9.0 percent of the total mass of the coarse aggregate and the fine aggregate, adding the fluorescent powder into the adhesive B, keeping the adding process for 5min, keeping continuous stirring in the adding process, stirring by an emulsification shearing machine, keeping the temperature at 29 ℃ during stirring, and keeping the stirring speed at 4000r/min for 20min to obtain a fluorescent powder cementing material C;
and 5: and adding the fluorescent powder cementing material C into the fine aggregate, stirring by using a stirring pot after the addition is finished, keeping the temperature at 29 ℃ during stirring, wherein the stirring time is 5min, adding the coarse aggregate after the stirring of the fluorescent powder cementing material C and the fine aggregate is finished, stirring by using the stirring pot after the addition is finished, keeping the temperature at 29 ℃ during stirring, and keeping the stirring time at 5min to obtain the energy-storage self-luminous epoxy resin mixture.
The compressive strength and the afterglow time are used as the detection indexes of the performance of the mixture, and the performance of the energy-storage self-luminous epoxy resin mixture prepared by the preparation method is detected by adopting an indoor test, so that the compressive strength of the energy-storage self-luminous epoxy resin mixture is 29.9MPa, and the afterglow time is 9.5 h. The energy-storage self-luminous epoxy resin mixture prepared by the embodiment has the advantages of excellent luminous effect, high pavement strength after curing, long service life and capability of meeting the use requirements.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The energy-storage self-luminous epoxy resin mixture for the road is characterized by comprising the following components: coarse aggregate, fine aggregate, epoxy resin, a toughening agent, a curing agent and fluorescent powder;
the nominal grain size of the coarse aggregate is more than 2.36mm, the nominal grain size of the fine aggregate is 0.15-2.36 mm, and the nominal grain size of the fluorescent powder is less than 0.15 mm;
the epoxy resin accounts for 6.0-10.0% of the total mass of the coarse aggregate and the fine aggregate, the toughening agent accounts for 0.4-1.0% of the total mass of the coarse aggregate and the fine aggregate, the curing agent accounts for 1.0-2.5% of the total mass of the coarse aggregate and the fine aggregate, and the fluorescent powder accounts for 5.0-10.0% of the total mass of the coarse aggregate and the fine aggregate.
2. The road energy-storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the coarse aggregate is basalt or diabase.
3. The road energy-storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the fine aggregate is limestone, diabase or gneiss.
4. The road energy storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the epoxy resin is bisphenol A diglycidyl ether E51 type epoxy resin or E44 type epoxy resin.
5. The road use energy storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the toughening agent is dibutyl phthalate toughening agent.
6. The road energy storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the curing agent is 593 curing agent or polyether amine D-230 curing agent.
7. The road energy storage self-luminous epoxy resin mixture as claimed in claim 1, wherein the phosphor powder is a long afterglow material, and afterglow visible time is longer than 8 h.
8. The preparation method of the road energy-storage self-luminous epoxy resin mixture according to any one of claims 1 to 7, characterized by comprising the following steps:
step 1: adding the toughening agent into the epoxy resin, and stirring and mixing uniformly;
step 2: adding the curing agent into the mixture obtained in the step 1, and uniformly stirring and mixing to obtain an adhesive;
and step 3: adding the fluorescent powder into the adhesive obtained in the step (2), and uniformly stirring and mixing to obtain a fluorescent powder cementing material;
and 4, step 4: and (3) adding the fluorescent powder cementing material obtained in the step (3) into the fine aggregate, stirring and mixing uniformly, adding the coarse aggregate, stirring and mixing uniformly to obtain the energy-storage self-luminous epoxy resin mixture.
9. The preparation method of the road energy-storage self-luminous epoxy resin mixture according to claim 8, characterized in that:
in the step 1, the stirring temperature is 25-30 ℃, the stirring speed is 1500r/min, and the stirring time is 10-15 min;
in the step 2, the stirring temperature is 25-30 ℃, the stirring speed is 2000r/min, and the stirring time is 10-15 min;
in the step 3, the time of the adding process is 3-5min, an emulsification shearing machine is adopted for stirring, the stirring temperature is 25-30 ℃, the stirring speed is 4000r/min, and the stirring time is 15-20 min;
in step 4, the stirring temperature of the fluorescent powder cementing material and the fine aggregate is 25-30 ℃, and the stirring time is 3-5 min; after the coarse aggregate is added, the stirring temperature is 25-30 ℃, and the stirring time is 3-5 min.
10. The application of the energy-storing self-luminous epoxy resin mixture for the roads is characterized in that the energy-storing self-luminous epoxy resin mixture for the roads as claimed in any one of claims 1 to 7 is laid on the road surface.
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| WO2021135202A1 (en) * | 2020-01-02 | 2021-07-08 | 长安大学 | Energy storage self-luminous epoxy resin mixture for road use and preparation method thereof |
| CN113638285A (en) * | 2021-09-10 | 2021-11-12 | 山东大学 | Self-luminous curb based on solid wastes and preparation method thereof |
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| CN116217260B (en) * | 2022-12-06 | 2024-04-19 | 四川省交通建设集团有限责任公司 | Self-luminous ceramsite, preparation method and self-luminous ultrathin wearing layer containing self-luminous ceramsite |
| CN116144229A (en) * | 2023-02-17 | 2023-05-23 | 甘肃省交通科学研究院集团有限公司 | Acrylic acid-based weather-resistant energy storage self-luminous material for road and preparation method thereof |
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