KR102547285B1 - High speed curing composition for non-slip paving material with high durability - Google Patents

Abstract

The present invention uses a reactive resin prepared by reacting polymethyl methacrylate, a hard monomer and a hydroxy monomer, and a slip resistance chip that can be quickly cured at room temperature, is environmentally friendly, and is anti-slip that can improve the wear resistance of packaging materials. A packaging material composition is disclosed.

Description

High speed curing composition for non-slip paving material with high durability}

The present invention relates to a fast-curing anti-slip packaging composition having high durability.

An anti-slip paving material is a material that uses a thermosetting resin or a thermoplastic resin and an aggregate to be fused to a road pavement surface to increase slip resistance of a vehicle.

The composition of a conventional anti-slip packaging material is made by packaging a thermosetting resin or thermosetting resin containing a volatile organic compound together with a anti-slip chip, or spraying a anti-slip chip thereon after applying the resin. Water-based or inorganic non-slip packaging materials have emerged due to the problem of not being environmentally friendly with this method. Most of the water-soluble packaging materials use urethane and epoxy-based synthetic resins, but water-soluble urethane and epoxy-based resins have problems with low-temperature hardening and construction of winter hardening. After uncuring, problems such as vehicle traffic and walking occurred due to surface adhesion.

Accordingly, an improved anti-slip packaging material has been developed to protect the disadvantages of the curing structure using such a synthetic resin.

Patent Document 1 discloses that anti-slip pavement is constructed by mixing polymethyl methacrylate and methyl methacrylate with an acrylic monomer, a non-slip agent, a rock fiber, and an adhesion reinforcing material. There is a disadvantage that the strength can be increased by increasing the density of crosslinking due to the acrylic monomer used, but the hardness and strength after complete curing are too high, resulting in cracks due to external impact and problems of cracking and falling off due to plasticity change. Cracks caused by the use of resin cause serious consequences such as damage to non-slip packaging materials and falling off.

In Patent Document 2, the use of a urethane oligomer prepared by a curing reaction of polypropylene glycol and a diisocyanate-based compound is proposed for a non-slip packaging material. Although there was an effect of increasing elasticity by using such a urethane oligomer, the increase was limited, and the tensile strength was lowered, resulting in a problem of breakage of the product.

In particular, existing non-slip packaging materials are limited to packaging materials for securing slip resistance for vehicle driving in a constant temperature environment. However, in the case of roads with low temperatures and high amounts of snow, the hardening time is prolonged during pavement construction, and chemical erosion due to frequent snow removal along with vehicle traffic due to the nature of the area accelerates the performance degradation of the anti-slip pavement. In addition, the anti-slip pavement cracks or falls off due to plastic deformation of the road surface, and this becomes more serious as the number of vehicles passes, resulting in shortening the life span of the anti-slip pavement.

Therefore, it is difficult to develop a packaging material having a new composition capable of rapidly constructing the packaging material, having excellent durability, and maintaining the packaging material for a long period of time.

Patent Document 1: KR Registered Patent No. 10-1522195 (Announced on June 21, 2015) Patent Document 2: KR Registered Patent No. 10-1663051 (Announced on October 6, 2016)

Through continuous research, it was confirmed that the present invention can improve the crack resistance and durability of the pavement by using a monomer having a specific structure in the main part, and maintain the abrasion resistance and long-term slip resistance of the pavement by applying high-hardness aggregate.

An object of the present invention is to provide a highly durable non-slip packaging composition that can be applied at room temperature and is cured quickly.

The fast-curing anti-slip packaging composition having high durability of the present invention includes a main part including a reactive resin, a slip resistance chip, a filler, a paraffin wax, a colorant, a softener, a diluent, a dispersant, and a viscosity modifier; and a curing agent unit including an organic peroxide curing agent.

The reactive resin is prepared by heating and melting polymethyl methacrylate, a hard monomer, and a hydroxy monomer.

According to one embodiment, the light monomer is at least one selected from the group consisting of ethyl methacrylate, styrene, and methyl methacrylate.

According to one embodiment, the hydroxy monomer is hydroxypropyl methacrylate, hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2-hydroxyethyl methacrylate, and 2-hydroxyethyl acrylate It is one or more selected from the group consisting of

According to one embodiment, the slip resistance chip is at least one selected from the group consisting of silicon carbide having a Mohs hardness of 7 or higher and alumina.

The anti-slip packaging composition of the present invention can be used to construct an anti-slip packaging material with improved durability such as high elongation, impact resistance, abrasion resistance and adhesion.

The anti-slip pavement composition can be applied on a road surface such as concrete or asphalt concrete to prevent cracking and falling off of the anti-slip pavement by imparting elasticity to the mixture so as to respond to their plastic change behavior along with high adhesive strength. In addition, the minimum slip resistance performance can be maintained until the end of the durability life by the presence of aggregate in the binder.

The non-slip pavement composition of the present invention can be applied after mixing at room temperature, and can be quickly cured within 1 hour after construction, resulting in a short construction time and repeated construction work while controlling roads, resulting in ever-increasing traffic congestion. problems can be solved.

In addition, it can be cured at room temperature, it can be applied regardless of the season, and substances harmful to the human body are excluded and used, so the volatile substances during the construction of conventional packaging materials and the substances generated by abrasion due to the passage of vehicles after construction are harmful to the environment. It can solve problems that cause contamination.

1 is an image showing the surface state of the packaging material of Example 3 after the abrasion resistance test.
2 is an image showing the surface state of the packaging material of Comparative Example 2 after the abrasion resistance test.
3 is an image showing the surface state of the packaging material of Comparative Example 3 after the abrasion resistance test.
4 is an image showing the surface state of the packaging material of Comparative Example 4 after the abrasion resistance test.

The high-durability fast-curing anti-skid paving composition of the present invention includes a main part and a curing agent part, and the crack resistance and durability of the pavement are improved by using a monomer having a specific structure in the main part, and high-hardness aggregate is applied. It is possible to maintain the abrasion resistance and long-term slip resistance of the packaging material.

In the main part of the present invention, various additives including a slip resistance chip are used for the reactive resin.

The reactive resin is prepared by heating and melting polymethyl methacrylate, a hard monomer, and a hydroxy monomer. In the case of the conventional non-slip packaging composition, unlike mixing the resin component and then mixing it with the curing agent part, in the present invention, the reactive resin is first prepared and then mixed with the curing agent part. Through this method, it is possible to achieve fast curing by preparing a reactive resin to increase the reaction rate with the curing agent part. In addition, regardless of the road material, concrete or asphalt concrete, the adhesion strength is improved with high adhesive strength.

Polymethyl methacrylate has a main function of a binder, has a number average molecular weight of 50,000 to 200,000 g/mol, specific gravity of 1.1 or more, and a Tg value of 50°C to 200°C.

Polymethyl methacrylate is included in 10 to 13% by weight within 100% by weight of the total main part. If the content is less than the above range, the impact resistance and scratch resistance of the coating layer of the packaging material are lowered. Conversely, when the above range is exceeded, the impact resistance and scratch resistance of the coating layer of the packaging material are improved, but the molecular weight is excessively high, so cracks and fractures occur due to a decrease in tensile strength.

A hard monomer is used to improve hardness, and an acrylic monomer having excellent compatibility with the polymethyl methacrylate may be used. As the usable hard monomer, it is preferable to use at least one selected from the group consisting of ethyl methacrylate, styrene, and methyl methacrylate, and in particular, the use of methyl methacrylate is relatively preferable. Most acrylic monomers have high solubility and dissolve the applied material, resulting in damage due to dissolution of the undercoat and paintwork. To prevent this, the hard monomer is more preferably provided with the methyl methacrylate having a number average molecular weight of 100 or more and a glass transition temperature (Tg) of 100°C.

These hard monomers are included in 14 to 21% by weight within 100% by weight of the total main part. If the content is less than the above range, there is a possibility that the hardness of the coating film layer of the packaging material may be lowered. On the contrary, if the content exceeds the above range, the hardness problem is improved, but the polymerization reaction proceeds rapidly, and curing may occur before construction.

The hydroxy monomer improves the elongation and bending performance of polymethyl methacrylate to impart elasticity to the anti-slip packaging material, thereby preventing the anti-slip packaging material from cracking and falling off. In particular, when the anti-slip pavement is worn and the aggregate is removed due to vehicle traffic, the slip resistance of the wet coating film is significantly lower than that of the general pavement. This problem is solved by using the hydroxy monomer together. .

The hydroxy monomers of the present invention are hydroxypropyl methacrylate, hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2-hydroxyethyl methacrylate, and 2-hydroxypropyl methacrylate having a number average molecular weight of 100 to 150 g/mol. At least one selected from the group consisting of hydroxyethyl acrylate is used.

The use of a urethane oligomer prepared by a curing reaction of polypropylene glycol and a diisocyanate-based compound has been proposed for a conventional non-slip packaging material. These urethane oligomers have a number average molecular weight of 8,000 to 19,000 g / mol and a relatively long molecular weight, so it is difficult to secure the desired level of strength, the increase in elongation is also limited, and the tensile strength is lowered, resulting in product breakage. In the present invention, by using a hydroxy monomer having a small molecular weight and containing a hydroxyl group in the molecular structure, better elasticity is secured, bending performance is secured, and breakage of the product can be prevented by having an appropriate level of tensile strength.

The content of the hydroxy monomer is 5 to 8% by weight within 100% by weight of the total main part. If the content is less than the above range, the above-mentioned effect cannot be secured. Conversely, when used in excess of the above range, the bending performance is increased, but the tensile strength is lowered, resulting in breakage of the product.

Preparation of the reactive resin is obtained by reacting polymethyl methacrylate, a hard monomer and a hydroxy monomer at a temperature of 100 ° C to 150 ° C for 1 hour to 5 hours. The reactive resin may be prepared separately and then mixed with other additives to prepare the main body part or mixed with some additives in the reactive resin manufacturing process to prepare the main body part together with the production of the reactive resin.

In addition to the reactive resin components, the anti-slip pavement composition of the present invention maintains abrasion resistance and long-term slip resistance of the pavement by applying high-hardness aggregate as a slip resistance chip.

As a conventional slip resistance chip, quartz aggregate, which is silicon dioxide, is used, and the size is in the range of No. 2 to 4, but the use of highly durable aggregate is required to supplement the abrasion and durability performance of the aggregate and maintain the slip resistance performance.

In the present invention, the slip resistance chip is an aggregate with a Mohs hardness scale of 7 or more, 7 to 9, which is a highly durable aggregate, At least one selected from the group consisting of silicon carbide and alumina may be used. The slip resistance and abrasion resistance may be improved by using the slip resistance chip having an average particle size of 600 μm to 4 mm and 1 mm to 3 mm. Preferably, the slip resistance may be increased by using a rough surface of the slip resistance chip.

In the present invention, the slip resistance chip is included in 20 to 30% by weight within 100% by weight of the total main part. If the content is less than the above range, the slip resistance is reduced, and conversely, if it exceeds the above range, a phenomenon in which adhesion performance due to a decrease in workability and wettability of the reactive resin is significantly deteriorated due to lack of wettability with other materials occurs.

In addition to the above components, the anti-slip packaging composition of the present invention may further include various additives.

For example, there are fillers, paraffin wax, colorants, softeners, diluents, dispersants, viscosity modifiers and the like.

Fillers are used to improve slip resistance and strength. As the usable filler, one or more of silica, barium sulfate, mica, talc, clay, loess, and calcium carbonate may be used in the form of inorganic powder, and calcium carbonate, which is a purified and homogeneous inorganic powder, is particularly preferable. The filler may be used having a particle size of 200 to 400 mesh (mesh). If the particle size is less than the above range, there is a problem in that rigidity such as impact resistance of the product is lowered, and on the contrary, when it exceeds the above range, there is a problem in that slip resistance is lowered.

In the present invention, the filler is included in 20 to 25% by weight within 100% by weight of the total main part. If the content is less than the above range, durability and wearability are reduced due to a decrease in strength, and conversely, when it exceeds the above range, product usability may be reduced and cracks may occur due to an increase in product viscosity according to the amount of oil absorption.

Paraffin wax is used for the purpose of blocking oxygen necessary for forming a coating film after application of the non-slip packaging composition. The paraffin wax is included in 2 to 3% by weight within 100% by weight of the total main part. If the content is less than the above range, the above effect cannot be obtained, and conversely, when the content exceeds the above range, the viscosity of the non-slip packaging composition increases and workability deteriorates.

The coloring agent is used to develop the color of the non-slip packaging material. The colorant is included in an amount of 3 to 6% by weight within 100% by weight of the total of the main part. If the content is less than the above range, the effect cannot be obtained due to a decrease in color and hiding rate, and conversely, when it exceeds the above range, color development and hiding power are excellent, but a cost increase problem occurs.

A softening agent is used to increase the softening properties of the prepared non-slip packaging material. As the softening agent, it is preferable to use at least one of butadiene styrene rubber, polybutadiene, phthalic acid ester, phosphoric acid ester, and dioctyl sebitate. The softener is included in 3 to 5% by weight within 100% by weight of the total main part. If the content is less than the above range, the desired elongation cannot be obtained, and on the contrary, if the amount exceeds the above range, the elongation increases as the amount used increases, and the softening property improves, but the physical properties of the coating film may be torn due to the required physical properties. .

Diluents are used to improve workability and wettability with the applied surface layer. As the diluent, a reactive diluent and a non-reactive diluent may be used, and Cadura E-10, a reactive diluent, is preferably used. In particular, the diluent has a number average molecular weight of 250 g/mol and a glass transition temperature of Tg value of -10° C. It is preferable to use a reactive diluent. The diluent is included in 2 to 3% by weight within 100% by weight of the total main part. If the content is less than the above range, the wettability with the surface layer decreases when the anti-skid pavement composition is applied, and if it exceeds the above range, the wettability increases but the viscosity decreases, and the slip resistance performance due to sedimentation of the aggregate deteriorates. occurs.

Dispersants are used to increase the dispersibility of fillers and inorganic components with other compositions. The dispersing agent uses a copolymer having an acidic group. The dispersant is included in 1 to 2% by weight within 100% by weight of the total main part. If the content is less than the above range, agglomeration may occur between the compositions, and conversely, cost increase and compatibility problems between the resin and inorganic components may deteriorate.

The viscosity modifier is used to improve workability by delaying rapid sedimentation of the slip resistance chip after work by adjusting the viscosity. The viscosity modifier uses fumed silica KONASIL K-200, a hydrophilic silica manufactured by OCI, which has a SiO ₂ content of 99% or more as a hydrophilic pumtheo silica. The viscosity modifier is included in 1 to 3% by weight within 100% by weight of the total main part. If the content is less than the above range, sedimentation of the slip resistance chip may occur, and on the contrary, workability is deteriorated due to increased cost and low wettability with resin.

The curing agent unit uses a curing agent for curing with the components of the main component.

As the curing agent, an organic peroxide curing agent is used. The organic peroxide curing agent is, for example, benzoyl peroxide, t-butylperoxybenzoate, dicumyl peroxide, t-butylcumyl peroxide, di-t-butylperoxide, 2,5-dimethyl-2,5-di (t-butylperoxy)hexane, 2,4-dichlorobenzoylperoxide, 1,1-bis(t-butylperoxy)-3,3,5-trimethylcyclohexane, 2,5-dimethyl-2,5 -Di(t-butylperoxy)hexyne-3 is used, but benzoyl peroxide is preferably used.

The curing agent is used in an amount of 2 to 4 parts by weight based on 100 parts by weight of the main part. If the content is less than the above range, the adhesion to the substrate is insufficient and the curing time of the packaging material is increased, so that fast curing cannot be achieved. do.

In addition, the anti-slip packaging composition of the present invention further contains known additives within a range that does not lower its function.

The preparation of the highly durable, fast-curing type non-slip packaging composition comprising the above-described composition is not particularly limited, and is performed by preparing the main part and the curing agent part, respectively, and then mixing them uniformly. In particular, the method of the present invention is a method of using a curing agent at room temperature in an on-site stirring type.

The manufacturing of the subject part can be carried out in two ways as mentioned above.

As an example, a reactive resin may be prepared separately and then mixed with an additive to prepare the main part.

As another example, the main part may be prepared together with the production of the reactive resin by mixing some additives in the process of preparing the reactive resin. In the embodiment of the present invention, the subject part was prepared in this way.

Specifically, a hard monomer, a hydroxy monomer, a softening agent, and a paraffin wax are added to the reactor and stirred at low speed at about 50 to 200 RPM, preferably 100 RPM, to raise the temperature.

Here, after adding polymethyl methacrylate, the speed is increased to about 200 to 500 RPM, preferably about 300 RPM, and the temperature is about 100 to 140 ° C., preferably 120 ° C. for about 1 to 3 hours, preferably 2 hours. to induce the reaction by maintaining the temperature of

Then, after lowering the temperature to room temperature, a filler, a colorant, and a dispersant are added thereto and dispersed at a high speed of about 1,000 to 1,500 RPM, preferably 1200 RPM, and then a diluent and a viscosity modifier are added at a speed of about 800 to 1,000 RPM. After stirring for about 10 minutes to 1 hour, preferably 30 minutes, and homogenizing the entire dispersion, a slip resistance chip is introduced to prepare a main material.

Construction using the anti-slip pavement composition of the present invention can be applied to various fields. For example, installation of bicycle lanes, maintenance of children's protection areas, dangerous sections of general roads, prevention of falling accidents in educational facilities, prevention of accidents caused by slipping on stairs and floors in various facilities, and visibility in areas requiring safety. It can be applied to protect valuable life and property by giving the effect of In addition, it can be installed in the entrance of stairs or slopes, underground passages, and parking lots outside the city.

In the construction method, first, after determining the construction location, the road surface is cleaned, and masking tape is attached in a certain pattern to limit the range to be paved.

Next, if the base surface is a concrete pavement, a primer is applied.

Next, after applying the non-slip packaging composition of the present invention to a predetermined thickness, surface leveling is performed, and then the masking tape is removed and cured.

Through the construction of the anti-slip pavement composition of the present invention, quick and easy construction is possible, maximization of anti-slip performance and long-term maintenance, and minimization of cracks or detachment phenomena to improve construction quality.

In particular, the non-slip packaging material of the present invention can maintain elongation, abrasion resistance, and long-term slip resistance compared to conventional packaging materials by mixing and integrating a reactive resin using a hydroxy monomer and a slip resistance chip as a specific component. This has environmentally friendly characteristics different from conventional non-slip packaging materials containing volatile organic compounds.

In particular, the abrasion resistance test was conducted according to the “KS M 6080-Road Marking Paint” test method, and the slip resistance (BPN) test was conducted every 500,000 wheel passes. The number of wheel passes showed a tendency to decrease by about 10 BPN compared to the previous one around 1.5 million times, and in the case of the existing packaging material, detachment occurred from 3 million times, but in the case of the packaging material of the present invention, it showed good characteristics up to 5 million times. In particular, it was possible to secure the target performance (60 BPN) even after passing 5 million times.

In addition, the non-slip pavement of the present invention has a fast curing speed and is not dependent on the season and the temperature at which construction is performed, and can be opened after construction is completed within 1 hour, and economic loss can be reduced by shortening the construction period.

In addition, the non-slip paving material of the present invention is a mixture of all materials and has workability that is not highly dependent on external conditions, and improves construction quality such as aesthetics by minimizing defects such as cracks, dropping, lifting, and discoloration of the pavement. Of course, maintenance costs can be greatly reduced.

[Example]

Next, the present invention will be described in detail based on Examples, Comparative Examples and Experimental Examples, but the present invention is not limited only to Examples.

Examples and Comparative Examples

An anti-slip packaging composition was prepared according to the composition shown in Table 1 below.

While gradually raising the temperature of the reaction vessel, put hard monomer, hydroxy monomer, urethane-based oligomer, softener, and paraffin wax into the reactor, raise the temperature while stirring at low speed at 100 RPM, and then slowly add polymethyl methacrylate at a speed of 300 RPM or more. After stirring is completed by maintaining the temperature of 120 ℃ for a period of time, cool it to room temperature, add filler and colorant, slowly add dispersant little by little and disperse at high speed at 1200 RPM, then add diluent and viscosity modifier in turn, then stir at 1,000 RPM for 30 minutes After homogenizing the entire dispersion, a slip resistance chip was added to the finished product to prepare a main subject. At this time, benzoyl peroxide was used as a curing agent.

The materials used were:

-Polymethyl methacrylate: molecular weight of 110,000, specific gravity of 1.18, and glass transition temperature in the form of beads of 114 ° C.

-Hard monomer: methyl methacrylate

-Hydroxy monomer: hydroxypropyl methacrylate

-Urethane-based oligomer: number average molecular weight (Mn) is 8,000 to 19,000, and viscosity is 30,000 to 40,000 mPa s

-High hardness aggregate: silicon carbide with Mohs hardness of 7~8

-Aggregate: quartz synthetic fiber No. 2-4 (more than 600㎛ and less than 475mm)

-Filling agent: Calcium bicarbonate having a particle size of 200 mesh to 400 mesh

-colorant: iron oxide

- Softener: Butadiene styrene rubber

-Thinner: Cadura E-10

-Dispersant: BYK's wetting and dispersing agent for paint

-Viscosity modifier: KONASIL K-200

Ingredients (% by weight) Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 subject part polymethyl methacrylate 13 10 11 13 11 11 14 11 11 11 hard monomer 14 14 18 21 14 14 15 18 18 18 hydroxymonomer 2 5 6 8 10 6 - - 6 - Urethane oligomer - - - - - - - 6 - 6 slip resistance chip high hardness aggregate 30 30 25 20 25 35 - - - 25 aggregate - - - - - - 29 25 25 - filler 25 25 22 20 22 16 24 22 22 22 paraffin wax 2 2 2 2 2 2 2 2 2 2 coloring agent 3 3 5 5 5 5 5 5 5 5 softener 4 4 4 4 4 4 4 4 4 4 diluent 3 3 3 3 3 3 3 3 3 3 dispersant 2 2 2 2 2 2 2 2 2 2 viscosity modifier 2 2 2 2 2 2 2 2 2 2 Sum 100 100 100 100 100 100 100 100 100 100 Curing agent part curing agent 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5

Comparative Example 5

It was carried out with the composition of Example 2, but the subject was prepared by mixing all the compositions at room temperature without preparing a reactive resin.

Test Example 1: Evaluation of wear resistance and adhesion performance

After pre-treatment to a roughness of about 25㎛ on a steel plate of 150mm x 70mm x 2mm, after completion of solvent washing and drying, the non-slip packaging composition is applied to a thickness of 2-3mm, and then cured at room temperature for about 7 days. Accelerated weathering performance after drying The adhesion state and the state after abrasion were checked up to 500 hours, and the results are shown in Table 2.

Accelerated weathering performance was measured according to KS F 2274. In addition, cracks and checking according to ASTM D660 and ASTM D661 standards are judged for appearance abnormalities, and surface abnormalities such as discoloration, lifting, and peeling are observed. At this time, after hourly evaluation with accelerated weathering equipment, the physical properties were evaluated using a Taber type abrasion equipment under CS-17, 1KG, 1,000 cycles according to ASTM D 4060.

In the case of abrasion condition, abrasion loss of 20 mg or less was evaluated as excellent, 50 mg or less as good, 50 mg or more as poor, and 80 mg or more as poor, and the adhesion state was evaluated by PULL-OFF TEST.

division Wear evaluation Attachment performance evaluation 50 hours 100 hours 200 hours 500 hours 50 hours 100 hours 200 hours 500 hours Example 1 Great Great Good Good Great Good Lowering Lowering Example 2 Great Great Great Great Great Great Great Great Example 3 Great Great Good Good Great Great Good Good Example 4 Great Great Good Good Great Good Good Lowering Example 5 Great Great Great Lowering Great Great Great Lowering Example 6 Great Great Good Lowering Great Great Good Lowering Comparative Example 1 Great Great Lowering error Great Lowering error error Comparative Example 2 Great Great Good error Great Great Good error Comparative Example 3 Great Great Lowering error Great Great Good error Comparative Example 4 Great Great Good Lowering Great Good Lowering error Comparative Example 5 Good Lowering Lowering error Good Lowering Lowering error

As shown in Table 2, it can be seen that when the product having an anti-slip function according to the present invention is installed, it has excellent wear resistance and maintains the anti-slip performance for a long period of time.

Test Example 2: Evaluation of non-slip packaging material properties

SPS-KTS using the non-slip packaging composition of Examples and Comparative Examples. 1102-1890 “Slip-resistant packaging material performance standards After performing the evaluation, the results are shown in the table below.

evaluation items performance criteria Example 3 Comparative Example 2 Comparative Example 3 Comparative Example 4 Drying time (hardening) min below 120 87 110 92 95 water absorption % below 1.0 0.5 0.9 0.8 1.1 salt water resistance No abnormality such as swelling or discoloration doesn't exist generation doesn't exist generation impact resistance No cracking or peeling doesn't exist doesn't exist generation generation adhesive strength
MPa concrete 1.5 or higher 3.2 1.4 2.2 1.3 asphalt 1.0 or higher 2.8 0.9 1.2 0.8 Compressive strength MPa 20+ 58 18 24 19 accelerated weathering No abnormality such as swelling or discoloration doesn't exist generation doesn't exist generation Abrasion resistance test
(500,000 times) Wear rate % less than 1 0.2 1.1 1.3 0.8 Slip resistance BPN over 55 103 100 97 92

Looking at the table above, when the hydroxy monomer and the high-hardness anti-slip chip were used as in the present invention, all physical properties were excellent. In comparison, in the case of the packaging material of Comparative Example 2 using the urethane oligomer, the accelerated weather resistance evaluation and the abrasion resistance test were conducted. It showed a lower value than the packaging material of Example 3.

In addition, even in the case of the packaging material of Comparative Example 3 using a general anti-slip chip, physical properties were lower than those of the packaging material of Example 3.

In the case of the packaging material of Comparative Example 4 using the high-hardness anti-slip chip, results similar to those of Comparative Example 2 were obtained.

In addition, in the case of the pavement materials of Comparative Examples 2 to 4, the adhesive strength to concrete was somewhat high, but the adhesive strength to asphalt was lower than that of the pavement material of Example 3.

Test Example 3: Wear resistance evaluation

After constructing the pavement using the anti-slip pavement compositions of Examples and Comparative Examples, an indoor slip resistance performance test (BPN test) was performed, and the results are shown in the following table and FIG. 1.

Number of wheel passes (full times) Example 3 (BPN) Comparative Example 2 (BPN) Comparative Example 3 (BPN) Comparative Example 4 (BPN) 0 100 95 95 98 50 103 100 97 92 100 97 103 95 108 150 88 83 81 92 200 89 79 76 87 250 82 74 71 83 300 80 77 70 76 350 81 72 66 72 400 77 68 60 75 450 74 60 62 71 500 73 53 58 65

Looking at the above table, as the number of wheel passages increased, the BPN value of slip resistance decreased. In the case of the packaging materials of Example 3 and Comparative Examples 2 to 4, the criteria were satisfied in the abrasion resistance test (500,000 times) of Table 3, but when looking at the test results of 5 million times, the packaging material of Example 3 showed the best results.

These results can be seen more clearly through the drawings.

1 is an image showing the surface state of the packaging material of Example 3 after the abrasion resistance test, FIG. 2 is Comparative Example 2, FIG. 3 is Comparative Example 3, and FIG. 4 is Comparative Example 4.

1, in the case of the packaging material of Example 3 according to the present invention, it can be seen that the aggregate is not exposed until 5 million times, and the slip resistance performance is very excellent.

In comparison, in the case of the packaging materials of Comparative Examples 2 to 4, as shown in FIGS. 2 to 4, it was confirmed that the aggregate was gradually exposed from 3 million cycles and wear progressed.

Test Example 4: Curing evaluation

The measurement results for the curing time of the anti-slip packaging composition of Example 2 upon low-temperature curing are as follows.

according to the binder
Curing agent mixing ratio room temperature curing time 5℃ curing time 0℃ curing time 2.5 phr within 50 minutes in 1 hour Within 2 hours 30 minutes 10 phr within 50 minutes in 1 hour Within 1 hour 40 minutes 16 phr within 30 minutes in 1 hour Within 1 hour 40 minutes

In general, the higher the ratio of the curing agent, the higher the curing properties are affected. The higher the amount of the curing agent is, the higher the hardness of the product is, and the elongation and bendability are too low, which affects the physical properties of the coating film. Therefore, it is preferable to use within 2.5 phr when curing at room temperature and up to 10 phr when curing at low temperature.

Claims (4)

Within 100% by weight of the total main part, 20 to 30% by weight of reactive resin, slip resistance chip, 20 to 25% by weight filler, 2 to 3% by weight paraffin wax, 3 to 6% by weight colorant, 3 to 5% by weight softener, 100 parts by weight of a main part containing 2 to 3% by weight of a diluent, 1 to 2% by weight of a dispersant, and 1 to 3% by weight of a viscosity modifier; and
2 to 3 parts by weight of a curing agent containing an organic peroxide curing agent;
The reactive resin is prepared by heating and melting 10 to 13% by weight of polymethyl methacrylate, 14 to 21% by weight of methyl methacrylate, and 5 to 8% by weight of hydroxypropyl methacrylate within 100% by weight of the total main part. would,
The slip resistance chip is at least one selected from silicon carbide having a Mohs hardness of 7 or more and alumina,
A fast-curing anti-slip packaging composition having high durability. delete delete delete

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