KR100297229B1 - Adhesive composition for non-slip road construction and construction method of non-slip road using it - Google Patents

Abstract

An adhesive composition for road pavement and a method of constructing an anti-slip road using the same are disclosed. Resin main composition and alkyl phenol, polyvalent polyamine and form consisting of 10 to 30% by weight of modified epoxy resin obtained by reacting epichlorohydrin modified with fatty acid and bisphenol A and 70 to 90% by weight of liquid bisphenol A type epoxy resin There is provided a pavement adhesive composition composed of an aldehyde and composed of a curing agent capable of carrying out the Mannich reaction mechanism. In addition, the step of spraying the adhesive composition on the road step of applying the anti-skid aggregate on the road to which the adhesive composition is applied and the construction of the anti-skid road, characterized in that by attaching the anti-skid aggregate to the road by curing the adhesive A method is provided. The adhesive composition of the present invention is a composition having excellent adhesion and capable of spraying. In addition, when using the non-slip road construction, it is easy to install and the drying speed of the composition can be shortened so that the road blocking time can be shortened.

Description

Adhesive composition for anti-slip road construction and construction method of anti-slip road using the same

The present invention relates to an anti-slip road construction adhesive composition and a method for constructing an anti-slip road using the same. More specifically, the present invention relates to a fast-drying anti-slip road construction adhesive composition that can have a good adhesion to the surface and significantly reduce the road blocking time, and a method of constructing a non-slip road using the same.

In areas such as sharp curves on roads, downhill hills, locations requiring acceleration, crossroads, pedestrian crossings, and roundabouts, there is a high risk of traffic accidents, especially if the road is slippery due to snow or rain. This is because when the rain or snow comes, the steering wheel is difficult because water drops are formed between the wheel and the road surface when the car is driven by water. In addition, there have been reports of accidents caused by the acceleration of a car in a sharp curve or the like, crossing the lane or causing an accident beyond the central dividing line.

To prevent the car from slipping on the road, there is a method of wrapping a non-slip plate on the road to increase the coefficient of friction between the car tire and the road, and to remove the water from the road by designing the drainage of the road well. Therefore, there is a known method of installing a non-slip plate on asphalt or cement using an anti-slip material during road construction.

As a result, a plurality of anti-skid plates are usually installed at predetermined intervals within a predetermined distance in downhill lanes or curved roads of the road, thereby inducing drivers to decelerate while passing the anti-slip plate installation area, It prevents traffic accidents by not slipping or losing balance.

In addition, the anti-skid plate has an irregular concave-convex structure due to the protrusion of the steel slag, and is particularly effectively used to reduce traffic accidents that occur more frequently in rainy weather by suppressing the formation of water film on the road surface during rainy weather.

As an anti-slip construction method for general pavement roads performed to reduce traffic accidents caused by slippery roads, steel slag or ceramic aggregates are used as anti-skid aggregates, which are fluorine-epoxy modified resins, and sometimes epoxy adhesives. The method of constructing on the road immediately by using is suggested. That is, the adhesive was applied to the road surface, and the aggregate was sprayed thereon, and a non-slip layer chopped with a roller was formed on the road surface.

However, in case of using epoxy resin or fluorine-epoxy modified resin, it is impossible to install during cold winter due to the influence of temperature. Also, it is impossible to work at night when it is humid or dewy due to the influence of climate. In addition, even when the anti-slip layer is manufactured using the epoxy resin in consideration of the conditions described above, there is a problem that the adhesive force of the epoxy resin is weakened by the temperature difference of the road surface according to the change of the season, so that the coating film is easily peeled off and peeled off. A further problem is that even when the temperature and the climate are adjusted, when the non-slip aggregate and epoxy or modified epoxy resin are mixed on the road surface, the total time is typically 5 to 4 hours because the epoxy resin hardens. It takes more time. Therefore, when constructing an anti-slip facility by the conventional method, it takes a long time more than 5 hours to block the road. As a result, traffic is restricted for a long time, causing traffic jams. In particular, when the construction section is a road with a lot of traffic, it causes a lot of congestion, and in particular, a lot of logistics costs.

In order to solve the problem of long road blocking due to the non-slip construction, which causes inconvenience in traffic traffic, a technique for shortening the time for fixing the non-slip aggregate to the road surface is required.

In order to solve the above problems, Korean Patent Application No. 95-35547 uses an anti-slip agent including aggregates to heat and melt the pavement directly on the road surface in a liquid state to solve the peeling phenomenon in the conventional method using epoxy. Provides an anti-skid construction method.

It is produced in powder form by mixing low density polyethylene, activated carbon, hydrocarbon-based resin aggregating material and thermoplastic resin with main aggregate such as steelmaking slag or ceramic aggregate, and once it is heated and melted at the temperature of 200-250 ℃ in the field. It is easy to finish the work by construction, and by mixing the appropriate amount of dyes, it is possible to obtain a color matching the surrounding environment.

Since the anti-slip agent is hardened within a short time of 15-20 minutes after construction, the construction work is performed quickly, and the anti-slip agent melted at a high temperature of 200-250 ° C. has a degree of asphalt with a softening point of 160 ° C. immediately upon contact with the asphalt road surface. By melting to form a coalescence it is possible to solve the problem of maintaining the excellent adhesion and peeling the coating film by the temperature difference of the road surface.

According to the above method, there is an advantage that the construction can be completed within a very short time, but there is a difficulty in heating the non-slip agent including the aggregate to a high temperature in the field.

The present invention has been made to overcome the above problems, and an object of the present invention is to provide an adhesive composition which can be applied on the top of a road surface by directly spraying an adhesive composition having excellent adhesion and has a very fast drying time.

Another object of the present invention is to provide a method for constructing an anti-skid road, in which the time for fixing the aggregate on the road surface at room temperature is shortened by using the above-described adhesive composition, so that the construction time is very short.

In order to achieve the above object, in the present invention, a resin composed of 10 to 30% by weight of a modified epoxy resin obtained by reacting epichlorohydrin and bisphenol A modified with fatty acid and 70 to 90% by weight of a liquid bisphenol A type epoxy resin. An anti-slip road construction adhesive composition consisting of a subject composition and a curing agent composed of alkyl phenols, polyvalent polyamines, and formaldehyde capable of carrying out the Mannich reaction mechanism.

It is preferable to further include at least one of aluminum silicate and silica in order to improve weather resistance, water resistance and resistance to the subject.

In addition, the mixing ratio of the main material and the curing agent is preferably 1: 3.5 to 4.5 by weight, and the epoxy equivalent of the modified epoxy resin composition is preferably 250 to 350.

Another object of the present invention described above is a resin main composition comprising 10 to 30% by weight of a modified epoxy resin obtained by reacting epichlorohydrin modified with fatty acid and bisphenol A, and 70 to 90% by weight of a liquid bisphenol A type epoxy resin, and Spraying a road pavement adhesive composition composed of an alkyl phenol, a polyvalent polyamine, and a formaldehyde and a curing agent capable of carrying out a Mannich reaction mechanism; It is achieved by the step of applying the anti-skid aggregate on the road to which the adhesive composition is applied and the construction method of the anti-skid road, characterized in that the adhesive is cured to attach the anti-skid aggregate to the road.

The other object may also be achieved by using the anti-skid aggregate to form a non-slip plate having a uniform thickness and attaching the anti-slip plate on the road to which the adhesive composition is applied.

Adhesive composition according to the present invention has excellent adhesion to a variety of surface, such as asphalt road, new road, old concrete road. In addition, when the adhesive composition is applied to the drawings can be carried out by spraying, and because it is quick-drying, it is possible to significantly reduce the road blocking time. Mixing the main material and the curing agent can greatly reduce the working time to about 7-15 minutes at room temperature on a 100mg scale. Approximately 60 minutes (about 40-50 minutes in summer and about 60-70 minutes in winter) can provide enough anti-skid roads.

In addition, in the adhesive composition according to the present invention, when applied to the road, the remaining halogen group element chlorine and the active hydrogen of the primary, secondary amine reacts to generate hydrochloric acid. This serves to increase the adhesion by treating the surface of the roadway. In addition, by mixing a fatty acid-modified epoxy resin with the subject, flexibility and elasticity are imparted so that the vehicle and its equivalent weight do not break even when the road passes. In addition, the fatty acid properties allow for spraying and leveling without the use of special solvents.

As a result, the adhesive composition of the present invention is a two-part type, in which the resin main composition and the curing agent are stored in different barrels and sprayed at the same time when spraying in the field. If they are mixed and stored at the same time, they are cured during storage and cannot be used.

The amount of modified epoxy resin obtained by reacting epichlorohydrin modified with fatty acid and bisphenol A in the resin main composition is 10 to 30% by weight based on the total resin main composition amount. If the amount of the modified epoxy resin is less than 10% by weight, it is not easy to use because of its poor flexibility and spray workability, and if the amount exceeds 30% by weight, the drying time is long and the hardness is lowered. Because you can't get enough.

The amount of the liquid bisphenol A-type epoxy resin in the resin main composition is also 70 to 90% by weight based on the amount of the total resin main composition. If the amount of liquid bisphenol A-type epoxy resin is less than 70% by weight, a satisfactory effect cannot be obtained because of the low drying speed and low hardness.If the amount is more than 90% by weight, the drying speed is high and the hardness increases. Since the hardness is too high and the elasticity is lost when the vehicle passes, it should be included in the above amount.

The epoxy resins described above have equivalents in the range of about 200 to 350 and comprise about 1-5% by weight of halogen elements.

The molecular structure of the above resin contains a large amount of halogen-containing chloride component, and the adhesion is further increased because it is designed to treat the road surface primarily by reacting with active hydrogens of primary and secondary amines to generate hydrochloric acid. .

The curing agent is composed of alkyl phenol, polyvalent polyamine, and formaldehyde to improve the chemical resistance and dryness, so that the Mannich reaction mechanism can be performed.

In addition, the curing agent of the present invention was designed to be dried at a temperature of -5 ℃ in consideration of the domestic temperature of the Samhansaon temperature is distinct. In addition, it was designed to remain reactive with primary and secondary amines in order to facilitate the surface treatment when reacting with the subject.

In addition, the curing agent is almost no smell in consideration of the working environment of the operator and made of polyamine in consideration of the adhesive strength with the adhesive, for example, it is preferable to manufacture as follows. Aliphatic amines diethylenetriamine, triethylenetetraamine and tetraethylenepentaamine, aromatic amines meta-xylenediamine, diaminodiphenylmethane, and meta-phenylenediamine, cycloaliphatic amines methylenedianiline and isophoronediamine 1-2 moles of amine having a polyfunctional group such as phenol, 1-2 moles of alkylphenol such as phenol, pt-butylphenol, nonylphenol and octyl phenol, and 0.5-1 moles of aldehyde such as formaldehyde, butylaldehyde and phenylaldehyde. As the composition obtained by condensation by the Mannich reaction, a compound having a molecular weight of 300-3000 is preferably used. In addition, benzyl alcohol may be mixed to improve the flexibility and workability of the curing agent.

The mixing ratio of the main body and the curing agent was 1: 3.5-4.5 by weight. This means that if the amount of curing agent is less than 3.5 times on the subject, the drying time will be slow, hardness will be decreased, chemical resistance and acid resistance will be lowered, and if it exceeds 4.5 times, the curing speed will be increased, but it will be hardened with high hardness, and yellowing will be easy and water resistance will be achieved. This is because it becomes somewhat vulnerable.

As a method of constructing an anti-slip road using the adhesive composition described above, the adhesive composition may be sprayed on the road first, and then, the anti-slip aggregate is applied to the upper part, and then the method may be cured. The anti-skid aggregate may be used to form a non-slip plate having a uniform thickness first, and then attach the non-slip aggregate on the road to which the adhesive composition is applied.

When the non-slip facility is manufactured by applying the above-mentioned anti-skid aggregate, it is mainly installed on the slope of the asphalt road or the concrete road, and the road to be constructed is first removed with water and / or broom, and then adhesive is applied. do. Sprinkle the anti-slip aggregate on top of it and harden it, then remove the excess aggregate and stop traffic. At this time, when the non-slip aggregate is sprayed on top of the applied adhesive, if the resin coating film is not uniform because the surface is not evenly sprayed or the slope of the road or the surface of the road is not uniform and the aggregate does not mix well with the resin, the resin holds the aggregate. Since the strength is weak, there is a problem in that the anti-skid facility constructed by the power of the car that runs after construction is damaged.

On the other hand, as described above, if the non-slip plate is manufactured in a factory and then bonded to the road surface with an adhesive, the construction time is shortened, and a non-slip plate of a certain thickness and size is produced with sufficient time in advance. There is an advantage that the non-slip construction of a uniform surface can be performed.

In the case of preparing the anti-skid plate in advance, the amount of the modified epoxy resin obtained by reacting with epoxychlorohydrin modified with fatty acid and bisphenol A is 30-40% by weight, and the amount of liquid bisphenol A type epoxy resin is 60-70. It is preferable to make it by weight%. If the amount of the modified epoxy resin exceeds 40% by weight, the flexibility of the anti-skid plate is so large that it is difficult to transport the plate. If the amount is less than 30% by weight, the flexibility to adhere to the curved road surface Because it falls.

Both the method for producing an anti-slip layer by applying aggregate on top of the adhesive composition applied in the field and the method for producing an anti-slip layer in advance at the factory and attaching it to the top of the applied adhesive to prepare the anti-slip layer are included in the method of the present invention. do.

The construction method of the anti-slip facility is described in more detail as follows. First, traffic is regulated and debris and dirt are removed from asphalt and cement roads on slopes and curved roads. After selecting a place for the anti-slip facility, the area is taped and masked with a tape or the like, and then spray-coated an adhesive composition composed of a main material and a curing agent thereon. On top of this, a non-slip material aggregate, steelmaking slag, and red brick pieces are sprayed. Press on it with a roller to make a certain thickness, remove the masking and leave. Finally, open the traffic after the inspection.

Hereinafter, specific embodiments of the present invention will be described in detail.

Example

Preparation of Adhesive Resin Composition

55% by weight of the liquid bisphenol-type epoxy resin, epichlorohydrin to fatty acid and 15% by weight of bisphenol halogen-based modified epoxy resin, 15% by weight of calcium carbonate, silicon oxide or aluminum-based filler, black pigment ) 5% by weight of the adhesive main composition was prepared.

A curing agent composition was prepared by mixing 40% by weight of an alkyl phenol-modified amine curing agent, 30% by weight of a quick-drying aliphatic curing agent, 7% by weight of a curing accelerator, and 23% by weight of calcium carbonate, silicon oxide, or aluminum (AL) -based filler.

Manufacture of non-skid plate

The two-part adhesive resin composition obtained according to the above example was uniformly applied to a rectangular teflon mold of constant size using a two-part spray device. On top of this, a non-slip aggregate of a uniform size was sprinkled and spread out to a uniform thickness with a sufficient time using a mechanical roller. Over time, the adhesive composition cured to obtain an anti-slip aggregate plate having a uniform thickness.

Construction of anti-slip roads 1

Traffic was blocked in the construction section, and dust and dirt on the road surface were cleaned with rain and a cleaning brush. Check the dryness of the road surface and, if necessary, dry it with a burner.

In accordance with the road alignment of the construction section, the construction site is marked with stone, etc., and then a masking tape is attached to the outer surface of the coated surface and the lane to prevent contamination. The prepared slipper plate is arranged evenly on the outer side of the resin coated surface.

The two-part adhesive resin composition is uniformly applied to the road surface to be resin-coated through a two-part spray device. By using the two-component spray device, the adhesion to the road surface is increased, and the adhesive composition is applied uniformly while having excellent penetration.

After apply | coating resin to a road surface, a slipper plate is affixed in the pot life time.

The adhesive composition is top-coated on the anti-slip plate attached to the road surface by using a two-component spray device to further strengthen the adhesion of the aggregate and integrate with the road surface.

When the resin is cured, it is difficult to remove the tape, so the tape is removed after the second coating before curing. Next, check the state of resin attachment, clean up the area, and open the traffic.

Construction of antiskid roads 2

Traffic was blocked in the construction section, and dust and dirt on the road surface were cleaned with rain and a cleaning brush. Check the dryness of the road surface and, if necessary, dry it with a burner.

In accordance with the road alignment of the construction section, the construction site is marked with stone, etc., and then a masking tape is attached to the outer surface of the coated surface and the lane to prevent contamination.

The two-part adhesive resin composition is uniformly applied to the road surface to be resin-coated through a two-part spray device. By using the two-component spray device, the adhesion to the road surface is increased, and the adhesive composition is applied uniformly while having excellent penetration.

After the resin is applied to the road surface, steelmaking slag is uniformly sprayed on the road surface to which the adhesive is applied within the pot life.

The adhesive composition is top-coated on the steelmaking slag attached to the road surface by using a two-part spray device to further strengthen the adhesion of the aggregate and integrate with the road surface.

When the resin is cured, it is difficult to remove the tape, so the tape is removed after the second coating before curing. Next, the adhesion state of the resin is checked, and unbonded steelmaking slag is cleaned by rain or a cleaning brush. Next, after clearing the surroundings of the construction road, the traffic is opened.

The adhesive composition according to the present invention can easily form an anti-slip road by using it as an adhesive composition having excellent adhesion and capable of spraying. In addition, since the composition of the present invention is a quick-drying type, it is possible to significantly reduce the traffic blocking time when the non-slip surface is formed on the road.

In addition, according to the technology of the present invention, it is possible to manufacture even at night difficult to install the conventional technology, it is possible to manufacture a non-slip facility excellent in uniform and quality. In addition, the anti-slip layer manufactured by the technique of the present invention has a slight elasticity even in the cold of the winter, and has a very strong adhesive strength without the plunge or aggregate protruding compared to a facility constructed with a conventional epoxy resin There is an advantage that the breakage is less.

As a result, the construction time of the anti-slip facility can be significantly shortened, as well as all weather construction is possible, excellent construction quality.

Although the present invention has been described above according to an embodiment of the present invention, it will be apparent to those skilled in the art that various modifications may be made without departing from the spirit of the present invention.

Claims (6)

A resin main composition comprising 10 to 30% by weight of a modified epoxy resin obtained by reacting epichlorohydrin modified with fatty acid and bisphenol A and 70 to 90% by weight of a liquid bisphenol A type epoxy resin; And a curing agent composed of alkyl phenol, a polyvalent polyamine, and formaldehyde capable of carrying out the Mannich reaction mechanism, wherein the mixing ratio of the main agent and the curing agent is 1: 3.5-4.5 by weight. Composition. The adhesive composition of claim 1, wherein the subject further comprises at least one of aluminum silicate and silica to improve weather resistance, water resistance and resistance to wear. The anti-slip road construction adhesive composition according to claim 1, wherein the modified epoxy resin composition has an epoxy equivalent of 250 to 350. A resin main composition comprising 10 to 30% by weight of a modified epoxy resin obtained by reacting epichlorohydrin modified with fatty acid and bisphenol A and 70 to 90% by weight of a liquid bisphenol A type epoxy resin; And a curing agent composed of alkyl phenol, a polyvalent polyamine, and formaldehyde to perform a Mannich reaction mechanism, wherein the mixing ratio of the main agent and the curing agent is 1: 3.5 to 4.5 by weight. Spraying on; Applying an anti-slip aggregate on the road to which the adhesive composition is applied; And hardening the adhesive to attach the anti-skid aggregate to the road. The anti-skid road construction method according to claim 4, wherein the anti-skid aggregate is used to form a slip plate having a uniform thickness, and the slip plate is attached on the road to which the adhesive composition is applied. . The method for constructing an anti-skid road according to claim 4, wherein the anti-slip aggregate is coated, and then the adhesive composition is secondly coated to strengthen the adhesive force of the aggregate.