KR20190066904A - Waterproofing Method of Circular hollow particle type In response to the construction environment - Google Patents

Abstract

The present invention provides a waterproofing method for coating a circular hollow particulate waterproofing material in response to a construction environment such as a work condition for each construction portion and position and a weather condition of a construction time. The waterproofing method for coating a circular hollow particulate waterproofing material in response to a construction environment can form a Velox film layer coated with a liquid of dry primer of a background adjustment role of smoothly repairing and filling a background surface by using a vegetable oil biomass material and wet primer consisting of a high-humidity hardening special degeneration ceramic epoxy resin and an amide hardener in a prescribed thickness by selectively selecting a manual and an automatic spay device in accordance with a purpose, and a continuous paint film with excellent mechanical ad chemical properties and without joints on the surface of the film layer in response to a construction environment. The waterproofing method is performed by a Velox paint film layer coated with a polyurea liquid mixed with circular hollow particles constructible on a complex portion capable of blocking ultraviolet heat and expressing various colors, and a Velox thin film layer for blocking ultraviolet rays and strengthening durability of the polyurea paint film layer on the surface of the paint film layer.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproofing method for a circular hollow particle type waterproofing material,

The present invention relates to a concrete structure waterproofing method, and more particularly, to a waterproofing method of applying a circular hollow particle type waterproofing material in accordance with a construction environment such as construction site, location, working condition, ..

In general, concrete is recognized as a semi-permanent structural material because of its excellent durability and compressive strength.

However, when aging is promoted by various physical, chemical, and environmental factors over time, and concrete is left untreated without protecting the surface of the concrete, aggregate exposure, surface separation, cracking, It causes various deterioration phenomena such as deterioration of corrosion strength, penetration of chlorine ion, increase of porosity, carbonation, salting and leakage, and as a result, the performance of the concrete structure deteriorates and the durability of the concrete structure deteriorates, causing a serious problem to the actual structure. , And the inner and outer walls are waterproofed.

Conventional surface coating or waterproofing method has excellent mechanical, physical and chemical properties such as durability, acid resistance, alkali resistance, chemical resistance, stretchability, waterproofness / anticorrosion property and excellent adhesive force. Waterproofing method is being applied to paint a concrete structure with a polyurea resin coating using an ultra fastness which is easy to apply and has excellent applicability.

Concrete Structures Using Polyurea Resin The waterproofing construction uses a pure polyurea coating, a hybrid polyurea coating, a urethane rim polyurea coating, and a RIM spray coating method, which is generally referred to as a coating method.

However, in the prior art, additional components such as a polymer or a background adjuster have been used. However, various types of pores exist in a concrete structure. Water contained in the mixing process of concrete, water absorbed by rainfall, Even if the surface is dried, water vapor pressure is generated at the interface of the waterproof layer of the coating film due to the humidity difference according to the use environment, or expansion of the bubbles causes pinhole phenomenon and swelling, There is still a problem to be caused.

In addition, when the concrete structure is not completely dried and is in a wet state, it is difficult to spray or paint the polyurea resin, and there is also a problem that pinhole phenomenon or bulging phenomenon is caused due to moisture after the construction.

Furthermore, since the polyurea resin coating must be formed on the outer surface of the concrete structure or on the entire surface of the bottom of the concrete structure to form a waterproof film, defects or cracks or cracks may occur in the concrete structure.

This waterproofing work uses polyurea waterproofing method to construct the roof and outer wall of buildings by using polyurea resin as a waterproof coating material.

Polyurea uses a common method of spraying the coatings supplied by the equipment using this liquid type coating equipment. In these methods, there are many defects in spray (coating) coating due to trouble in working with manual gun, ie, mixing of the main body (RES) and hardener (ISO).

Particularly, defects that occur at the time of construction may cause a bubble phenomenon and an uncured (non-hardening phenomenon). Such a polyurea film formed by a defective phenomenon is not only very difficult to remove, but also has a disadvantage of being difficult to repair.

Therefore, by using the spray (coating) sprayer, it is possible to prevent the mistake spraying (coating) method by the operator caused by spraying (coating) beforehand and to form a good quality film by maintaining the uniform spray coating A new device that can do this is emerging.

Accordingly, it is an object of the present invention to solve the above-mentioned problems of the prior art by providing a polyurethane foam which is excellent in water resistance, curability, corrosion resistance, heat resistance, weather resistance and antifouling property, It is an object of the present invention to provide a waterproofing method in which a circular hollow particle type waterproofing material is applied in response to a construction environment in which tensile and stretchability are improved and cracks and breakage are prevented.

It is still another object of the present invention to provide a waterproofing material which can prevent cracking or breakage without addition of additional materials and is applied with a circular hollow particle type waterproofing material in response to a construction environment in which corrosion resistance, To provide a method.

Further, the present invention provides a coating apparatus which is not affected by harmful substances which can be sucked by spraying by a worker, induces the worker to work safely, reduces the time and coats the coating to a certain thickness, And a waterproofing method of applying a circular hollow particle type waterproofing material in response to the waterproofing method.

 Another object of the present invention is to provide a waterproofing method in which a circular hollow particle type waterproofing material is applied in response to a construction environment applicable to various fields such as parking lot floor construction, roof waterproofing work, and factory line coating work.

In order to achieve the above-mentioned object, the present invention provides a primer (dry) and a primer (dry) for smoothly restoring and filling a base surface using a plant oil biomass raw material in response to a construction environment, A primer (wet) made of a curing-type special modified ceramics epoxy resin and an amide curing agent is selected according to the application, and a bellows coating layer to which a liquid having a predetermined thickness is applied, a bellows coating layer having excellent mechanical and chemical properties, A barrier coating film layer on which a circular hollow particle type waterproofing material (polyurea) is applied to form a continuous coating film and which can be applied to a complicated site, Corresponding to the construction environment to be constructed with the BELOX thin film layer strengthening the durability of the urea film And a waterproof method for applying a circular hollow particle type waterproofing material.

Wherein the bellows coating layer comprises 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, A dry primer which is mixed with 5 kg / set of a curing agent to a base of 4 kg which is mixed with 0.1 to 10% by weight of an additive such as a water absorbent, a silane coupling agent and the like, 0.1 to 10% by weight of an antifoaming agent, 0.1 to 10% by weight of a plasticizer, 0.1 to 10% by weight of a plasticizer, an ultraviolet stabilizer, an anti-settling agent, a water absorbent, To 10 kg of water, and 3 kg / set of a hardener is mixed and agitated to 15 kg of a mixture of 10 wt% to 10 wt% of water to prepare a wet primer which is applied to a moist base surface having a water content of concrete of 10 2% A waterproofing method is provided.

Wherein the barrier layer comprises 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, 200 kg of a recycled PET recycled polyester polyol curing agent, 200 kg of a diphenylmethane diisocyanate and 0.10 wt.% Of an additive such as a water absorbent, a silane coupling agent, The waterproofing method of applying a circular hollow particle type waterproofing material in accordance with a construction environment characterized in that 18.2 kg / drum of a glass bubble admixture is mixed and stirred with polyoxinpropylenediol is provided.

Wherein the bellows thin film layer comprises 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, 3.6 kg of a mixture of 0.1 to 10% by weight of an additive such as a water absorbent and a silane coupling agent, 14.4 kg / set of a curing agent, and 15 kg / can of a diluted Bellox diluent are mixed and mixed. A waterproofing method for applying a hollow particle type waterproofing material is provided.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

The present invention is not limited to the embodiments described below, but may be configured in various forms, and these embodiments are intended to be illustrative, and not restrictive of the present invention, To fully inform the scope of the invention.

According to the waterproofing method of applying the circular hollow particle type waterproofing material in accordance with the construction environment according to the present invention, pinholes and bulging are prevented from occurring, and response to deformation or cracking of the concrete structure due to expansion / Not only can it be improved. Flame retardancy, corrosion resistance, and the like are remarkably improved, and the productivity, reliability, and economical efficiency are improved.

In addition, since the waterproofing material (polyurea) coating apparatus according to the present invention can automatically perform coating work in a large workplace, it is possible to prevent the coating liquid from collecting on both sides of the ground, It is possible to contribute to the present invention.

Also, the waterproofing material coating apparatus according to the present invention can be applied to various fields such as parking lot floor construction, roof waterproofing work, and factory line coating work.

1 is a cross-sectional view of a waterproofing method for applying a circular hollow particle type waterproofing material in accordance with a construction environment according to the present invention,
2 is a cross-sectional view of a waterproofing method for applying a circular hollow particle type waterproofing material in accordance with a construction environment according to another embodiment of the present invention,
3 is a graph showing reflectance values in the UV, Vis, IR, and TSR regions of the circular hollow particle type waterproofing material corresponding to the construction environment of the present invention,
FIG. 4 is an exemplary view showing a construction in which a waterproofing method for applying a circular hollow particle type waterproofing material is applied in accordance with the construction environment of the present invention,
5 is an illustration of a waterproofing material coating apparatus used in a waterproofing method for applying a circular hollow particle waterproofing material in accordance with the construction environment of the present invention,
6 is a flowchart for explaining a waterproofing method of applying a circular hollow particle type waterproofing material in accordance with the construction environment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a waterproofing method for applying a circular hollow particle type waterproofing material in accordance with the construction environment of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, like reference numerals refer to like elements throughout. In the drawings, like reference numerals refer to the like elements throughout. The same reference numerals are used throughout the drawings to refer to the same or like parts. The detailed description of the present invention will be omitted if it is determined that the gist of the present invention may be unnecessarily blurred.

FIG. 1 is a cross-sectional view of a waterproofing method for applying a circular hollow particle type waterproofing material in accordance with a construction environment according to the present invention. FIG. 2 is a cross-sectional view of a circular hollow particle waterproofing material applied to a construction environment according to another embodiment of the present invention Sectional view of the waterproofing method.

The waterproofing method of applying the circular hollow particle type waterproofing material in accordance with the construction environment according to the present invention is a waterproofing method in which a circular hollow particle type waterproofing material is applied to a concrete structure C by smoothly repairing and filling the ground surface C1 having uneven holes, And a barrier coating layer (200) formed on the surface of the bellows coating layer (200), the coating layer (200) having a mechanical and chemical property and having a seamless coating A bellows coating layer 300 to which a hollow particle type waterproofing material (sodalimeborosilicate) capable of being applied to complex parts can be mixed and applied due to the ultraviolet ray blocking effect and manifesting various colors; And a bellows thin film layer 400 for enhancing durability of the polyurea coating film.

The bellows coating layer (200) is a base adjusting material (lower surface) to be applied for strengthening adhesion of a coating layer, pinholes and air bubbles, and a base surface (C1) (Velox PD) and a wet Velox coating (200b, Velox PW) applied on a wet base, respectively. The weather condition, that is, the wet condition of the substrate before applying the product (Concrete water content), and select one dry or wet film according to the result.

When the water content of the concrete is measured to be 10 2% or less, the dry primer is applied and the wet primer is selected if the water content is 10 2% or more before the application of the Velox coating layer 200 of the present invention desirable.

The dry primer 200a may be prepared by mixing 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, , A water absorbent, a silane coupling agent, and the like are added to 0.1 kg to 10 kg of the additive, and 5 kg / set of the curing agent is mixed and stirred.

In the subject of constituting the dry primer (200a), the bio-polyol is a hydrogenated castor oil-free bio-polyol derived from castor oil produced in at least one vegetable oil from environmentally friendly castor oil, sunflower oil, Is used.

The branched polyether-polyester bio-polyol is used in combination with the branched polyether-polyester bio-polyol, and the branched polyether-polyester bio-polyol has effects of securing viscosity, UV resistance, and chemical resistance.

The wet primer 200b may contain at least one selected from the group consisting of 10 to 60% by weight of biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, 3 kg / set of a curing agent is mixed and stirred in 15 kg of a subject mixed with 0.1 to 10 wt% of an additive such as a water absorbent, a silane coupling agent and the like.

The wet primer 200b is a wet-curing ceramic composition composed of a specially modified ceramic resin and an amide curing agent for high humidity application. The ceramic-based binder is a fine powder such as alumina, silicon nitride, zirconia, silicon carbide, (Particle size of 10 to 60 mu m).

The ceramic-based bonding material has an advantage of being excellent in thermal shock resistance, abrasion resistance, corrosion resistance, insulation, mechanical strength, high corrosion resistance and high temperature strength.

The Velox U COAT may be prepared by mixing 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% (200 kg) of the curing agent and 18.2 kg / drum of an admixture were mixed and stirred in 200 kg of the subject to form a mixture of 0.1 to 10 wt% of additives such as a pigment, a UV stabilizer, an anti-settling agent, a water absorbent and a silane coupling agent. 200 is formed on the upper side of the substrate.

The subject of the polyurea coating is 4,4'-Di phenyl methane diisocyanate (4,4'-Di phenyl methane diisocyanate) which is highly resistant to discoloration and has excellent resistance to discoloration against high temperature and ultraviolet rays, Carbodimide-modified methylene diisocyanate (rigid urethane foam), which has excellent physical properties, was used. Chain extender was used as a 3-methyl (meth) acrylate having a property of improving elongation and tensile strength 3-Methyl) 1,5-pentane diol was used to improve the mechanical properties of urea.

Recycled PET recycled polyester polyol is used as an eco-friendly product including heat-resistant reinforcement and resource recycling effects.

The admixture is a mixture of diphenylmethane diisocyanate and polyoxinpropylenediol with a circular hollow particle type waterproofing material (sodalime borosilicate), which is then mixed with the curing agent.

The Velox coating layer coated with a circular hollow particle type waterproofing material has excellent mechanical and chemical properties and can form a seamless continuous coating film. It is a stable product from ultraviolet rays and can block heat and exhibit various colors. Provides an effect.

In addition, Solar Reflective Coatings with a Bellox coating layer coated with a circular hollow particle type waterproofing material can enjoy the effect of insulation because the interior is cool by the reflectance in the summer and the inner heat does not escape during the winter.

As shown in FIG. 3, the Velox coating layer to which the circular hollow particle type waterproofing material of the present invention is applied has a higher reflectance value than the white coating product in the UV, Vis, IR, and TSR regions.

In addition, as shown in FIG. 4, the coating layer in which the circular hollow particle type waterproofing material is mixedly coated has an effect of preventing the condensation due to the temperature difference, as well as a time for preventing the first drop from occurring.

The circular hollow particle type waterproofing material mixed in the Velox U COAT (300, Velox U COAT) is sodalime borosilicate inside the spherical particles which are hollow and thinly coated, Lt; / RTI >

The circular hollow particle type waterproofing material has an average particle size of 15 to 135 microns, a softening point of 600 ° C, a specific gravity of 0.125 to 0.6 g / cc, a strength of 250 to 30,000 psi and a hardness Mohs scale of 5, size is composed of different density and intensity.

The Velox T-333 forms a Velox top coating applied on the uppermost side. The Velox T-333 is composed of a polyurethane resin with good flexibility and an acrylic resin with excellent gloss, and has excellent hiding power as a liquid type top coating material, Is intended to protect UV rays and protect the durability of polyurea coatings.

The BELLOX thin film layer 400 may be prepared by mixing 10 to 60% by weight of biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, 0.1 to 10% by weight of an additive such as an anti-settling agent, a water absorbent, and a silane coupling agent is mixed. 14.4 kg / set of a curing agent and 15 kg / can of a Bellox diluent are mixed and mixed in 3.6 kg of the subject, A protective layer of a coating film waterproof layer to which the layer 200 is applied, and ultraviolet rays.

It is preferable to use a suitable material adapted to the site conditions such as the construction site, the location, the working conditions, the climatic conditions at the time of construction, etc., of the concrete structure waterproofing and auxiliary materials used in the present invention.

FIG. 5 shows a polyurea coating apparatus according to the present invention, which comprises a main frame 20 in the form of a trapezoid having knobs 10 formed on both sides thereof, A supporting unit 40 which is formed in a horizontal direction with the end of the main frame 20 closed and a control unit 140 which is formed on the supporting unit 40, A pair of guides 52 formed on the upper portion of the support base 40 and a guide portion 52 formed between the guide portions 52, A conveying member 60 formed on both sides of the support base 40 so as to be vertically formed at the front end of the support base 40, A shielding film (70) for shielding the dust or the coating liquid, A support bar 80 integrally formed upward from the front of the support bar 80 and capable of adjusting the height thereof, and a second support bar 90 An air piston device 110 for controlling the injection and angle of air into the spray gun 120 at the end of the second support bar 90 and an air piston device 110 connected to one side of the air piston device 110, A second frame 130 formed at a rear end of the main frame 20 and a second frame 130 for driving and controlling the speed of the driving device 50, A control device 140 for controlling the spraying of the gun 120, a pipe connected to the external supply means for delivering the coating liquid to the spray gun 120, and another pipe for injecting air into the air piston device 110 And a hose rest 150 formed to receive the supply hose 150 160).

When the polyurea coating apparatus 100 constructed as described above is used for flooring or roof waterproofing of a parking lot, the coating apparatus 100 is turned on after the power source unit (not shown) is turned on, (Not shown).

The polyurea resin as a coating liquid is supplied to the supply hose 150 through a storage tank (not shown) connected to the supply hose 150 by the operation of the controller 140 and then the polyurea resin transferred through the supply hose 150 is sprayed The coating liquid is sprayed onto the surface to be sprayed through the gun 120, that is, the driving device 50 moves to the left and right at a constant speed to form a constant coating film thickness.

When the spray gun 120 operates in the left-right direction by driving the driving device 50 in the course of performing the spraying operation by itself in this process, the spray gun 120 moves to the left or right end of the ground The sensor unit 56 formed on both guides 52 detects the air piston apparatus 110 and notifies the air piston apparatus 110 of the moment that air is supplied from the supply hose 150 to the spray gun 120 The polyurea resin is dispersed in the direction of movement of about 15 ° and 20 ° instantaneously, and is applied to the left and right ends of the polyurea resin, which is a coating liquid, .

In this way, the coating apparatus 100 can perform the coating operation without the person holding the handle 10 by himself or herself, so that the burden of the labor cost can be minimized and the coating liquid can be prevented from being clustered, You can complete an efficient work.

Hereinafter, a waterproofing method for applying a circular hollow particle type waterproofing material in accordance with the construction environment of the present invention having the above structure will be described with reference to FIG.

≪ First Step: Surface Treatment Step (S1) >

Removing the contaminants on the surface C1 of the concrete structure to be installed or repairing the damaged part and smoothly treating the surface of the surface,

end. Dirt, sand, latens and sediments on the concrete surface should be completely removed with sand blast, high pressure air, etc.

I. The mold release agent and other oils are completely removed with an approved detergent or thinner.

All. The protruding part, the mold connection part, and the smooth surface are smoothly changed by a grinder and the like, and the dust and foreign substances generated during the work are cleanly removed.

la. Flat tie grooves, crevices, areas where material separation occurs, and cracks that are structurally unstable are filled with epoxy spatula after the V-cut, dried, and then surface treated with abrasive paper.

hemp. Form Tie Hole, various joints and construction defects on the concrete surface are preliminarily inspected, and the weak areas are repaired and reinforced by the method instructed by the supervisor.

bar. Use PE film and masking tape to prevent material from flowing or spraying on the non-waterproof area.

≪ Second Step: Applying a Veloxel Coating Layer to a Substrate (S2) >

Step of applying the Velox coating layer serving as the base surface adjustment primer of the concrete structure

end. Dry primer (Velox P-D)

① Before applying the BELLOX COAT products, check with the supervisor for the humidification condition of the base (concrete water content less than 10 ± 2%) and proceed with the work (S3a)

② Adjust the ratio of 1: 1.25 to the base of the Velox coating and the curing agent. Stir thoroughly for about 1-2 minutes with a stirrer.

③ Spray the applied Bellows coating product uniformly with a roller, spray or brush at a rate of 0.25kg / ㎡.

④ If you can not use the agitated product within the pot life (about 30 minutes), it will cause hardening and solidification.

⑤ Dry primer BERLOCK coating products have a curing time of about 2 ~ 3 hours in summer and about 5 ~ 7 hours in winter.

⑥ Curing for a proper time after application of BELOXX coating, and then follow-up process should be done to prevent contamination.

⑦ The Velox coating should be applied according to the amount of next day polyurea spraying work.

I. Wet primer (Velox P-W)

① After rainy weather or when wetting at a moisture content of 10 ± 2% or more, confirm the product with the supervisor and apply it (S3b)

② After the base treatment is finished, 15kg of BELOXS coating product and 3kg of hardening agent are thoroughly agitated for about 2 ~ 3 minutes with a stirrer, and then uniformly applied horizontally and vertically with a roller, a regi or a brush at 0.25kg / ㎡.

③ If the product is mixed well, it should be diluted with epoxy thinner or industrial alcohol within 3% when it is difficult to work because there is a principle or viscosity that does not dilute.

④ Mixing amount should be 20kg or less considering the area efficiency and time available for the material. Mixing time should be 2 ~ 3 minutes.

⑤ Mix the materials by mixing themes and hardener (5: 1), spraying, brushing or roller.

⑥ Wet primer The Velox coating has a curing time of about 2 ~ 3 hours in summer and about 5 ~ 7 hours in winter.

≪ Third Step: Applying the Velox Coating Layer 300 (S4) >

The electroless reactive reactor manual injection equipment S6a and the electrically controlled reactor automatic injection equipment S6b are selected and installed in accordance with the conditions and the scale of the field (S5).

Electric Control Reactor The manual injection equipment is used for the complex construction sites such as the small and medium scale field, and the electric control reactor automatic injection equipment is used for the large span site where there is no large-scale on-site structure.

① Before applying the Velox U coat, check that the dust on the surface is removed.

② The subject of the Velox U coat (300, Velox U coat) and the admixture should be thoroughly stirred before use. The base, curing agent, and admixture are mixed at 1: 1: 0.09 with the curing agent after preliminary mixing with the admixture.

(Velox U H-1000) is a two-component high-temperature, high-pressure impingement mixed spray equipment that is heated to a temperature of 65 to 75 ° C and sprayed at a spraying pressure of 2,000 psi to 3,500 psi . If the pressure, temperature, and mixing ratio are not matched, it may cause failure of curing and disconnection of the coating film.

④ Check the proper temperature (25 ~ 40 ℃) of the drum before spraying and stop the operation if the relative humidity in the atmosphere is 85% or more.

⑤ Velox U coat The thickness of the Velox U coat is (2.0) mm and should be about 2.2kg / ㎡.

⑥ The Velox coating layer should be sprayed + shape to make the film thickness even when using the electric control reactor manual spraying equipment.

⑦ Velox U coat is sprayed about 0.8 ~ 1.0mm for the homogeneous coating and sprayed in the thickness of 1.0mm ~ 1.2mm with secondary spray within 8 hours on the same day after checking the surface condition. do.

⑧ The time to reapply after application is generally in accordance with the manufacturer's manufacturing specifications. In general, the reapplication time should be reapplied after about 30 seconds of drying at room temperature.

⑨ Electric Control Reactor The method of using the automatic injection equipment (Velox U A-1000) is to check the operation pressure of the supply equipment by connecting the supply lake to the equipment after the power is turned on.

⑩ Electrically controlled reactor When using the automatic injection equipment (Velox U A-1000), check the injection port and operation and apply automatic application.

≪ Step 4: Applying the thin film layer (S7) >

Applying a thin film serving as a top coat (top coat) of a waterproofing material,

(1) Velox U coat After completion of the application, remove the contaminants and coat the next coat as soon as possible.

(2) After thoroughly mixing the base and the curing agent at a mixing ratio of 1: 4, apply 0.2 kg / m 2 with a roller or airless.

(3) Coating is carried out so that the roller marks do not occur as much as possible so that the color uniformly appears.

As described above, according to the present invention, it is possible to prevent occurrence of pinholes and blisters, and the flexibility and tensile strength of the concrete structure can be improved to cope with deformation or cracking of the concrete structure. Corrosion resistance, corrosion resistance, and the like are remarkably improved, resulting in improved productivity, reliability, and economy.

In addition, the polyurea coating apparatus of the present invention can automatically perform the coating operation, thereby preventing the coating liquid from being accumulated on both sides of the paper surface as well as shortening the time and applying the coating liquid to a certain thickness, You can do it.

Further, the polyurea coating apparatus according to the present invention can be applied to a variety of applications such as parking floor construction, roof waterproofing, factory line coating, and the like.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.

It is therefore to be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive.

The scope of the present invention is defined by the appended claims, rather than the detailed description, and all changes or modifications that come within the meaning and range of equivalency of the claims, and equivalents thereof, are to be construed as being included within the scope of the present invention .

10: handle 20: main frame
30: traveling device 31: motor
40: support 50: drive
52: guide 53: rail
54: Enclosure 55: Moving motor
56: sensor part 60:
70: Barrier 80: Support bar
90: second support bar 100: polyurea coating device
110: Air piston device 120: Spray gun
130: second frame 140: control device
150: Supply hose 160: Hose rest
170: Air filter 200: Coating layer
300: Coating layer 400: Thin layer
B: Column C: Concrete structure
C1: Base surface

Claims (4)

In a concrete structure waterproofing method using polyurea,
A bellows coating layer 200 to which a liquid phase selected according to a water content of the concrete structure C is applied and a polyurea liquid phase in which a circular hollow particle type waterproofing material is mixed is applied to the bellows coating layer 200 And a bellows thin film layer (400) for enhancing durability of ultraviolet ray blocking and polyurea coating on the bellows layer (300) and the bellows layer (300) Waterproofing method applying waterproof material. The method of claim 1, wherein the bellows coating layer (200) comprises 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 5 kg / set of a curing agent is mixed and agitated in 4 kg of a subject mixed with 0.1 to 10% by weight of an additive such as a pigment, an ultraviolet stabilizer, an anti-settling agent, a water absorbent, a silane coupling agent and the like. Wherein the dry primer 200a is selected from the group consisting of 10 to 60% by weight of a biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% by weight of a plasticizer, The wet primer 200b is composed of a wet primer 200b having a moisture content of 10 ± 2% or more by mixing and stirring 3kg / set of a hardening agent in 15kg of a mixture of 0.1-10 wt% of additives such as an inhibitor, a water absorbent and a silane coupling agent. A circular hollow particle type waterproofing material is applied in accordance with a construction environment Hydraulic method. The method of claim 1, wherein the barrier layer 300 comprises 10 to 60% by weight of biopolyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 0.1 to 10% , 200 kg of a subject mixed with 0.1 to 10% by weight of an additive such as a pigment, a pigment, an ultraviolet stabilizer, an anti-settling agent, a water absorbent and a silane coupling agent, 200 kg of a recycled PET polyester polyol curing agent, And 18.2 kg / drum of an admixture is mixed with and stirred in polyoxypropylene diol (diphenylmethane diisocyanate) and polyoxinpropylenediol. The waterproofing method is applied to the circular hollow particle type waterproofing material according to the construction environment. The method of claim 1, wherein the bellows membrane layer (400) comprises 10 to 60% by weight of a bio polyol, 0.1 to 10% of a chain extender, 10 to 70% by weight of a filler, 0.1 to 1% by weight of a defoamer, 3.6 kg of a mixture of 0.1 to 10% by weight of an additive such as a pigment, an ultraviolet stabilizer, an anti-settling agent, a water absorbent and a silane coupling agent, 14.4 kg / set of a curing agent and 15 kg / A waterproofing method that applies circular hollow particle type waterproofing material in response to a construction environment characterized by.

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