KR100770605B1 - A composition for protecting slip on road - Google Patents

Abstract

A composition for forming an anti-slip layer on a road surface is provided to realize excellent toughness, elongation, adhesion, workability, chemical resistance and durability, thereby reducing a load and absorbing impact applied to a road surface and preventing slippage on various types of road surfaces. A composition for forming an anti-slip layer on a road surface comprises: a base composition containing a bisphenol A epoxy resin, a bisphenol F epoxy resin, a dimer acid-modified epoxy resin, an urethane-modified epoxy resin, a filler, a flowability modifier and a diluent; and a curing agent composition containing an amine compound, an epoxy resin reaction accelerator, a diluent, a flowability modifier and a curing accelerator.

Description

A composition for protecting slip on road

The present invention relates to a non-slip layer composition of the road surface, and more specifically, a two-component room temperature curing type anti-slip layer composition, in particular, bisphenol A-type epoxy resin and bisphenol F-type epoxy resin can effectively implement the anti-slip of the road surface It relates to an anti-slip layer composition.

Roads are damaged due to traffic and climate change stresses. In particular, the asphalt pavement is a thermoplastic material, so the damage caused by seasonal changes and crossover, expansion, rainfall, snowfall and snow removal agent is excessive. Damaged roads must be repaired and repaired quickly for safe operation of the vehicle.

On the road, the anti-slip layer is formed for the purpose of shortening the braking distance of the vehicle by increasing the sliding resistance of the pavement surface in the place where the slip resistance of the road surface is low, the plane and the terminal line shape are poor. This non-slip layer is particularly low in road safety facility installation and management guidelines because the existing road surface friction coefficient does not meet the road traffic conditions. Sections where 20 km / hr or more are considered to be effective, such as steep sections, curved sections with small curve radii, intersections of slope sections, poor visibility sections, and pedestrian crossings in front of them.

The non-slip composition used to form the anti-slip layer has been developed and constructed in a variety of materials and methods, but due to the nature of the road there is a problem to block the traffic of the vehicle during the construction and curing, easy to install and quick to cure traffic quickly Connecting materials and methods are required.

Epoxy resin was mainly used as an anti-slip agent main component which comprises the anti-slip layer composition which satisfy | fills the conditions mentioned above.

However, when the existing epoxy resin is used, it is a high strength hard pavement, and when it is used, there is a defect that early cracking or breaking is not possible because the vehicle's weight and braking impact cannot be absorbed and eliminated when road repair work is required. And even in winter, the temperature is low, even if the prescription to adapt to the season, there was a problem that the curing period is longer and the intensity is lowered.

The present invention was created in order to solve the above problems, it is excellent in strength and ductility characteristics of semi-soft or soft pavement to relieve the road stress caused by vehicle traffic to prevent cracks and falling off and effectively prevent the slip of the road surface It is to provide a composition that can be.

In order to achieve the above object, the anti-slip layer composition of the road surface according to the present invention,

A main composition comprising a bisphenol A type epoxy resin, a bisphenol F type epoxy resin, a dimer acid modified epoxy resin, a urethane modified epoxy resin, a filler, a flow control agent and a diluent,

Provided is a road surface anti-slip layer composition composed of a curing agent composition comprising an amine compound, an epoxy resin reaction accelerator, a diluent, a fluidity regulator, and a curing accelerator.

The subject composition may further comprise one or more selected from plasticizers, pigments, dispersants and antifoaming agents.

The content of the bisphenol A type epoxy resin in the subject composition is 5-60 parts by weight, and the content of the bisphenol F type epoxy resin is preferably 1-50 parts by weight.

It is preferable that the mixed weight ratio of the said bisphenol A type epoxy resin and bisphenol F type epoxy resin is 1: 0.05-1: 3.

When the composition is used for semi-soft packaging, the mixing weight ratio of bisphenol A epoxy resin and bisphenol F epoxy resin is 1: 0.05 to 1: 0.5, and when the composition is used for soft packaging, bisphenol A epoxy resin and It is preferable that the mixed weight ratio of bisphenol F-type epoxy resin is 1: 1-1: 3.

In the present invention, the mixing weight ratio of the main composition and the curing agent composition is preferably 1: 0.1 to 1: 0.5.

In the subject composition, the content of the dimer acid-modified epoxy resin is 1-10 parts by weight, the content of the urethane-modified epoxy resin is 0.1-5 parts by weight, the content of the filler is 15-70 parts by weight, and the content of the plasticizer is 0.1. -5 parts by weight, the content of the pigment is 5-5 parts by weight, the content of the fluidity regulator is 1-10 parts by weight, the content of the diluent is 1-10 parts by weight, the content of the dispersant is 0.1-1 parts by weight, The amount of the antifoaming agent is preferably 0.1-1 part by weight.

The curing agent composition includes 10-70 parts by weight of an amine compound, 1-10 parts by weight of an epoxy resin reaction accelerator, 20-60 parts by weight of a diluent, 0.5-5 parts by weight of a fluidity regulator, and 0.1-1 parts by weight of a curing accelerator.

The anti-slip layer composition of the present invention is excellent in toughness, extensibility, adhesion, workability, chemical resistance, durability, can absorb the load and impact transmitted to the road surface by vehicle traffic, so as to fill the cracks and dropouts generated on the road surface slip Can be effectively prevented. In particular, when the anti-slip layer composition of the present invention is used for soft non-slip layer pavement, when the road surface is applied to a flat or general road, and the anti-slip layer composition of the present invention is used for semi-soft anti-slip layer pavement industry It is applied to roads and highways, so it has excellent performance for road repairs due to its excellent workability, waterproof, durability and adhesion.

Hereinafter, the anti-slip layer composition of the road surface according to the present invention will be described in more detail.

The anti-slip layer composition according to the present invention is used to form an anti-slip layer for generating anti-slip friction and is used for soft or semi-soft non-slip packaging according to the strength of hardness, tensile strength and elongation.

In the present invention, the anti-slip layer is formed of a two-component room temperature curable epoxy composition composed of a main material and a curing agent, and a mixture of bisphenol epoxy resin, dimer acid-modified epoxy resin, and urethane-modified epoxy resin is used as the epoxy resin forming the main material. As a bisphenol epoxy resin, a mixture of bisphenol A type epoxy resin (BPA) and bisphenol F type epoxy resin (BPF) is used. As an epoxy resin which forms the said subject, 0.1-10 weight part of rubber modified epoxy resins can also be further added.

The bisphenol A type epoxy resin and the bisphenol F type epoxy resin are in the form of liquid, semisolid, and solid at room temperature by the degree of polymerization, and are classified according to the range of polymerization. In addition, epoxy resins containing liquid resins containing reactivity such as n-butylglycidyl ether, polyglycol glycidyl ether, organofatty acid glycidyl ester, and plasticizers such as dibutyl phthalate are also used. It can also be used, melt | dissolving in inert solvents and active solvents, such as xylene, acetone, and methyl ret ketone. In the present invention, a liquid resin is used as the bisphenol A type epoxy resin and the bisphenol F type epoxy resin.

The bisphenol A type epoxy resin and the bisphenol F type epoxy resin are liquid resins, which are more flexible than general epoxy resins, and the viscosity of the bisphenol A type epoxy resin is 10,000-15,000 cps, and the bisphenol F type epoxy resin is used. The viscosity of is used is 500-2,000 cps.

The average epoxy equivalent (g / eq) of the said bisphenol A type epoxy resin and the bisphenol F type epoxy resin (BPF) uses 150-500 especially 184-190.

Specific examples of the bisphenol A epoxy resin include YD-114EF (Kukdo Chemical), YD-2209 (Kukdo Chemical), YD-136 (Kukdo Chemical), YD 134L (Kukdo Chemical), YD134 (Kukdo Chemical), YD- 128SH (Kukdo Chemical), YD-128S (Kukdo Chemical), YD-128M (Kukdo Chemical), a compound represented by the following Chemical Formula 1, YD-011 (Kukdo Chemical), and the like.

[Formula 1]

Wherein n is an integer of 10 to 1,000.

In addition, specific examples of the bisphenol F-type epoxy resin used in the present invention include a compound in which all of H is substituted in place of CH 3 in the compound molecule of Formula 1, which is a bisphenol-A epoxy resin. Or specific examples of the bisphenol F-type epoxy resin used in the present invention is YD-161H, YDF-175S, YDF-175, YDF-170, YDF-165, YDF-162, YDF- which are liquid resins commercially available from Kukdo Chemical. 161 and the like.

The content of the bisphenol A type epoxy resin is 5-60 parts by weight, and the content of the bisphenol F type epoxy resin is preferably 1-50 parts by weight.

If the content of the bisphenol A type epoxy resin and the bisphenol F type epoxy resin is out of the above range, the strength and ductility characteristics are lowered, which is not preferable.

In particular, the mixed weight ratio of the bisphenol A type epoxy resin and the bisphenol F type epoxy resin is preferably 1: 0.05 to 1: 3 from the viewpoint.

When the anti-slip layer composition of the present invention is used for semi-soft packaging, the construction road surface is applied to an industrial road or a highway, and the mixed weight ratio of bisphenol A type epoxy resin and bisphenol F type epoxy resin in these compositions is 1: 0.05 to 1 : 0.5, in particular, 1: 0.15 to 1: 0.37. Here, when the mixed weight ratio of the bisphenol A type epoxy resin and the bisphenol F type epoxy resin is out of the above range, properties such as ductility and strength decrease, which is not preferable for semi-soft packaging.

When the anti-slip layer composition of the present invention is used for soft packaging, the surface of the construction road is applied to flat or general roads. In this composition, the mixed weight ratio of the bisphenol A epoxy resin and the bisphenol F epoxy resin is 1: 1 to 1. It is preferable that they are: 3, especially 1: 1.5-1: 2.0. If the mixed weight ratio of the bisphenol A-type epoxy resin and the bisphenol F-type epoxy resin is out of the above range, the ductility, strength, etc. are lowered, which is not preferable for soft packaging.

The dimer acid-modified epoxy resin uses an epoxy equivalent of 300 to 700. As a specific example of the dimer acid-modified epoxy resin, YD-171B (Kukdo Chemical) is used.

The urethane-modified epoxy resin is a resin prepared by reacting urethane with epoxy, and is used for the purpose of improving plasticity. The equivalent (g / eq) is 210-290, particularly 230-270, and the solid content is 100%. UME-305 (Kukdo Chemical) is used.

The rubber-modified epoxy resin optionally addable to the composition is ductile in itself, giving the anti-slip layer flexibility. Accordingly, even after the non-slip layer is formed, even if an impact is applied by a heavy object such as a vehicle, damage to the non-slip layer can be minimized.

In addition to the aforementioned bisphenol A type epoxy resin, bisphenol F type epoxy resin, dimer acid-modified epoxy resin, urethane-modified epoxy resin, fillers, plasticizers, pigments, diluents, flow control agents, dispersants, Antifoaming agents.

The anti-slip layer composition of the present invention is 5-50 parts by weight of bisphenol A type epoxy resin, 1-10 parts by weight of bisphenol F type epoxy resin, 1-10 parts by weight of dimer acid-modified epoxy resin, 0.1-5 parts by weight of urethane-modified epoxy resin, 15-70 parts by weight of filler, 0.1-5 parts by weight of plasticizer, 0.5-5 parts by weight of pigment, 1-10 parts by weight of diluent, 1-10 parts by weight of flow control agent, 0.1-1 parts by weight of dispersant and 0.1-1 parts by weight of antifoaming agent. It is desirable to.

In the present invention, when the content of the dimer acid-modified epoxy resin is out of the above range, the plasticity of the anti-slip layer composition is lowered, which is not preferable. If the content of the urethane-modified epoxy resin is outside the above range, the flexibility of the finally obtained anti-slip layer is not sufficient, which is not preferable.

The fillers improve the mechanical properties of the resin, and in addition, there are cost reduction, reduction of thermal expansion rate, reduction of curing shrinkage rate, control of calorific value during curing, improvement of adhesiveness, and the like. These fillers are those commonly used such as stone powder, calcium carbonate, slaked lime, talc, alumina, and other waste materials, and affect the hardness depending on the average particle size, the smaller the particle size may affect the hardness increase. . As a specific example of the filler, a combination of haemulite, diatomaceous earth, and talc is used.

The plasticizer is used to increase the elasticity as a specific example of benzyl alcohol, dioctyl phthalate (DOP) and the like.

The pigment is added to realize the non-slip layer to be packaged in the desired color. It is preferable to adopt such a pigment that can match the color of the road surface to be repaired. For example, iron oxide (red), iron oxide (yellow), iron oxide (black), titanium dioxide, chromium oxide (green), etc. are used. do.

As the fluidity regulator, finely divided silica, polyamide wax, or the like is used as the reactive or non-reacted stone diluent.

As a diluent used in the present invention, the main purpose is to reduce the viscosity of the resin, butyl glycidyl ether, phenyl glycidyl ether, modified tertiary carboxylic acid diglycidyl ester (Modified-Tert-Carboxylic Dlycidyl Ester) and benzyl alcohol.

The preparation serves to impart storage stability of the composition and to facilitate the manufacturing process, and examples thereof include a dispersant and an antifoaming agent. The dispersant and the antifoaming agent used here is conventional in the art, and specific examples of the dispersant include glycol stearate, BYK-161 (BYK-Chemie), and specific examples of the antifoaming agent are octyl alcohol and cyclohexanol. Alcohols, such as ethylene glycol, a sorbitan fatty acid ester, a silicone antifoamer, etc. are used.

The main composition having the above-mentioned composition has a rotational speed of 800-1200rpm, in the tank equipped with a stirrer with a main speed of 20-30 m / sec. It can obtain by stirring for more than time. The main composition thus obtained has a viscosity of 130-140 ku (25 ° C.) and a specific gravity of 1.4-1.6.

Hereinafter, the curing agent mixed with the subject matter will be described.

The curing agent used in the present invention is composed of an amine compound, an epoxy resin reaction accelerator, a fluidity regulator, and a curing accelerator.

The amine compound uses one or more selected from aliphatic polyetheramines and alicyclic polyamines as a curing agent, and the use ratio thereof is determined by the strength depending on the use.

The amine value (mgKOH / g) of the amine compound is used in the range of 310-500.

Specific examples of the amine compound include polyamines, polyethyleneamines, ethylene amines, and the like. Examples of the alicyclic polyamines include KH-252, KH-500F, KH-531, etc. of Kukdo Chemical.

As the diluent, benzyl alcohol or the like is used as a specific material that functions to lower the viscosity of the curing agent composition to improve workability and deposition penetration.

The rheology control agent uses the same ones used in the preparation of the subject matter, preferably an unreactive diluent and fine powder silica, if necessary. It is also possible to further use an aromatic polyamine compound which is a drying accelerator depending on the application method. And if you want to control the physical strength to softness, you can use more plasticizer.

The epoxy resin reaction promoter is a substance having a function of promoting the epoxy resin reaction, benzoic acid and the like.

As the curing accelerator, an aliphatic tertiary amine (eg, KBH-1086 from Kukdo Chemical Co., Ltd.) is used as a material for accelerating the curing reaction rate. Specific examples of such materials include ethyleneamine and the like.

The curing agent composition of the present invention comprises 10-70 parts by weight of the amine compound, 1-10 parts by weight of the epoxy resin reaction accelerator, 20-60 parts by weight of the diluent, 0.5-5 parts by weight of the fluidity regulator, 0.1-1 parts by weight of the curing accelerator. desirable.

A curing agent composition having the above-described composition is obtained by adding an amine compound to a reactor having a temperature control device, dropwise adding a solution in which the epoxy resin reaction accelerator is dissolved in advance, reacting it for at least 2 hours, and adding a fluidity regulator to the mixture to obtain uniform mixing. Can be. The curing agent composition thus obtained has a viscosity of 50-60 ku, specific gravity 0.98-1.2.

The anti-slip layer composition according to the present invention is used in a predetermined ratio by mixing the main composition and the curing agent composition obtained according to the above process at the construction site. At this time, the mixing weight ratio of the main composition and the curing agent composition is preferably 1: 0.1 to 1: 0.5.

In some cases, 300-1200 parts by weight of aggregate may be further mixed with the main composition and the hardening composition.

The anti-slip layer composition of the present invention is excellent in water resistance, chemical resistance, compression and flexural strength, can be adhered over a wide temperature range, and hardening shrinkage is small and 100% hardened material is formed without generating volatiles during the curing reaction. Especially, when calcium chloride is sprayed in winter, the astral pavement is highly eroded and water penetrates into the base and freezes and the road is easily destroyed by its swelling. It can be used as semi-soft road pavement adhesive.

In addition to the non-slip layer composition of the present invention, the silica sand can be used as an epoxy mortar for road. In this case, the diameter of the silica sand is preferably 2-4 mm, and the content of the silica sand is 30-based on 1 part by weight of the curing agent composition. It is preferable that it is 60 weight part.

Hereinafter, the present invention will be described with reference to the following examples, but the present invention is not limited only to the following examples.

Production Example  1: Preparation of the Subject Composition

Bisphenol A type epoxy resin (BPA), bisphenol F type epoxy resin (BPF), dimer acid modified epoxy resin having the composition shown in Table 1 below in a tank equipped with an agitator having a rotation speed of 800-1200 rpm and a main speed of 20-30 m / sec. , Urethane-modified epoxy resin, a combination of fillers pulverized stone, diatomaceous earth and talc, plasticizer DOP, pigment iron oxide, fluidity regulator (fine silica), preparation (as dispersant (BYK-161 (BYK-Chemie)) and antifoaming agent) Were mixed and stirred for at least 1 hour to prepare a subject composition. The viscosity of the subject at this time is 130-140 Ku (25 ° C.), specific gravity 1.4-1.6. In Table 1, the content of each component is expressed in parts by weight.

TABLE 1

Anti-slip composition for semi-soft Soft non-slip composition Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8 BPA 34 32 33 34 15 16 16 16 BPF 6 10 11 12 25 26 28 30 Dimer acid modified resin 5 5 5 5 10 10 10 10 Urethane Modified Epoxy Resin One One One One 5 5 5 5 Filler 49 48 46 44 50 48 46 44 Plasticizer One One One One 3 5 5 6 Pigment 2 2 2 2 2 2 2 2 Rheology regulator 7 7 7 7 7 7 7 7 diluent 3 2 2 2 One One One One pharmacy One One One One One One One One

Production Example  2: Of the curing agent composition  Produce

A polyamine was added to a reactor equipped with a temperature control device, and a benzoic acid solution in which benzoic acid was dissolved in benzyl alcohol, a diluent, was added dropwise, followed by stirring for at least 2 hours. (Kukdo Chemical) was uniformly mixed to prepare a curing agent composition having a composition of Table 2. At this time, the viscosity of a hardening | curing agent is 50-60 Ku (25 degreeC) and specific gravity 0.98-1.2. In Table 2, the content of each component is expressed in parts by weight.

TABLE 2

Anti-slip composition for semi-soft Soft non-slip composition Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8 Polyamine 45 48 50 52 45 48 50 52 Benzoic acid 5 6 6 7 5 6 6 7 diluent 40 36 34 33 40 36 36 34 Flow Control 2 2 2 2 2 12 2 2 Curing accelerator 0.5 0.5 0.5 0.5 0.6 0.8 0.8 One

Example  1: Preparation of anti-slip layer composition for road

The main composition prepared in Preparation Example 1 and the curing composition prepared in Preparation Example 2 were mixed at a mixing ratio of the following Table 3 to prepare an anti-slip layer composition for roads.

TABLE 3

division Semi-soft composition Soft composition Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8 Topic Composition / Hardener Composition Weight Ratio 5/1 5 / 0.8 5 / 1.2 5 / 1.1 5 / 0.9 5 / 1.2 5 / 1.3 5 / 1.2

Example  2: Preparation of road-based epoxy mortar

500 parts by weight of the main composition prepared in Preparation Example 1, 100 parts by weight of the curing agent composition prepared in Preparation Example 2, and 2000 parts by weight of the selected silica sand were reacted at room temperature for 10-15 minutes in a mechanical mixing mixer. To complete.

The changes in tensile strength, adhesion, compressive strength, and flexural strength of three, six, nine, twelve, and twenty-four months after curing the epoxy mortar for roads obtained according to the above procedure were measured. It is shown in Table 4 below.

TABLE 4

Anti-slip layer composition for semi-rigid Soft non-slip layer composition Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6 Sample 7 Sample 8 The tensile strength Good Good Great Very good Good Great Great Very good Adhesion Good Good Great Very good Good Great Great Very good Compressive strength Good Good Great Very good Good Great Great Very good Flexural strength Good Good Great Very good Good Great Great Very good

As can be seen from Table 4, Sample 1-8 was confirmed to be excellent in tensile strength, adhesion, compressive strength, bending strength.

The road epoxy mortar has high strength and excellent elasticity, adhesion, durability, and abrasion resistance. Therefore, when the road anti-slip layer is used, the road-based epoxy mortar absorbs the load and impact of the vehicle to effectively suppress the occurrence of cracks.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary and will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Claims (10)

A main composition comprising a bisphenol A type epoxy resin, a bisphenol F type epoxy resin, a dimer acid modified epoxy resin, a urethane modified epoxy resin, a filler, a flow control agent and a diluent, The non-slip layer composition of the road surface comprised of the hardening | curing agent composition containing an amine compound, an epoxy resin reaction promoter, a diluent, a fluidity regulator, and a hardening accelerator. The anti-slip layer composition of claim 1, wherein the subject composition further comprises one or more selected from plasticizers, pigments, dispersants, and antifoaming agents. The content of the plasticizer in the subject composition is 0.1-5 parts by weight, the content of the pigment is 0.5-5 parts by weight, the content of the dispersant is 0.1-1 part by weight, the content of the antifoaming agent is 0.1-1 The non-slip layer composition of the road surface, characterized in that part by weight. The anti-slip layer composition of claim 1, wherein the content of the bisphenol A type epoxy resin is 5-60 parts by weight, and the content of the bisphenol F type epoxy resin is 1-50 parts by weight. The anti-slip layer composition of claim 1, wherein a mixed weight ratio of the bisphenol A epoxy resin and the bisphenol F epoxy resin is 1: 0.05 to 1: 3. The method of claim 1 wherein the composition is used in semi-soft packaging The mixing weight ratio of the bisphenol A type epoxy resin and the bisphenol F type epoxy resin is 1: 0.05 to 1: 0.5. The method of claim 1 wherein the composition is used in soft packaging, The mixing weight ratio of the bisphenol A type epoxy resin and the bisphenol F type epoxy resin is 1: 1 to 1: 3. The anti-slip layer composition of claim 1, wherein the mixed weight ratio of the main composition and the curing agent composition is 1: 0.1 to 1: 0.5. According to claim 1, wherein the content of the dimer acid-modified epoxy resin in the subject composition is 1-10 parts by weight, the content of the urethane-modified epoxy resin is 0.1-5 parts by weight, the content of the filler is 15-70 parts by weight, The content of the fluidity regulator is 1-10 parts by weight, the content of the diluent is 1-10 parts by weight of the anti-slip layer composition of the road surface. According to claim 1, wherein the curing agent composition is 10-70 parts by weight of the amine compound, 1-10 parts by weight of epoxy resin reaction accelerator, 20-60 parts by weight of diluent, 0.5-5 parts by weight of flow control agent, 0.1-1 weight of curing accelerator A non-slip layer composition of the road surface comprising a portion.