KR101645510B1 - Waterproof Organic-Inorganic Complex Composition For Concrete Structure, And Waterproofing Method of Concrete Structure Therewith - Google Patents
Waterproof Organic-Inorganic Complex Composition For Concrete Structure, And Waterproofing Method of Concrete Structure Therewith Download PDFInfo
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- KR101645510B1 KR101645510B1 KR1020160005722A KR20160005722A KR101645510B1 KR 101645510 B1 KR101645510 B1 KR 101645510B1 KR 1020160005722 A KR1020160005722 A KR 1020160005722A KR 20160005722 A KR20160005722 A KR 20160005722A KR 101645510 B1 KR101645510 B1 KR 101645510B1
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- organic
- waterproofing
- concrete structure
- inorganic
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- 238000004078 waterproofing Methods 0.000 title claims abstract description 95
- 239000004567 concrete Substances 0.000 title claims abstract description 67
- 239000000203 mixture Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims description 26
- 229910021432 inorganic complex Inorganic materials 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910001868 water Inorganic materials 0.000 claims abstract description 36
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 27
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 24
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010457 zeolite Substances 0.000 claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 18
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 12
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- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 10
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- TUZBYYLVVXPEMA-UHFFFAOYSA-N butyl prop-2-enoate;styrene Chemical compound C=CC1=CC=CC=C1.CCCCOC(=O)C=C TUZBYYLVVXPEMA-UHFFFAOYSA-N 0.000 claims description 9
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- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 8
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 claims description 8
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- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 claims description 7
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- XEGDLRPYYGGNQG-UHFFFAOYSA-N butyl prop-2-enoate;methyl prop-2-enoate;styrene Chemical compound COC(=O)C=C.C=CC1=CC=CC=C1.CCCCOC(=O)C=C XEGDLRPYYGGNQG-UHFFFAOYSA-N 0.000 claims description 4
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- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 3
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/508—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/483—Polyacrylates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/488—Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C04B41/4884—Polyurethanes; Polyisocyanates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5035—Silica
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/644—Damp-proof courses
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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Abstract
Description
The present invention relates to an organic-inorganic hybrid composition for waterproofing a concrete structure, and a waterproofing method of the concrete structure using the same, and more particularly, to an organic-inorganic hybrid composition for waterproofing a concrete structure comprising a mixture of an inorganic binder and an organic waterproofing performance improving agent and a concrete structure Waterproofing method.
In the case of inorganic materials such as concrete or mortar, leakage occurs due to cracks and condensation phenomenon, and the performance is lowered.
In order to eliminate the cause of defects of the concrete structure, the waterproofing method using a waterproof sheet or the waterproofing method using a film is generally used as an external waterproofing.
Synthetic polymer based sheet waterproofing method has advantages of easy construction because it uses synthetic polymer based sheet, but it is easy to be damaged and water tightness is also problematic because it is thin.
In addition, since the improved asphalt sheet waterproofing method adheres the modified asphalt sheet to the burner, the watertightness can be ensured by some training, and it is applied to the underground waterproofing, but there is a problem that the maintenance such as the qualification of the skilled constructor is necessary. As the sheet waterproofing material, it is possible to use sheets made of polyethylene, soft ethylcellulose, ethylene-vinyl acetate copolymer polymer, synthetic rubber or the like superimposed or adhered, but the sheet waterproofing material as a whole has very low adhesiveness to concrete There is a problem that defects are likely to occur in the sheet joining portion and the waterproof function is deteriorated.
Asphalt coating waterproofing method has a joint but there is less risk of waterproofing due to thickness because there is less risk of pitcher when 3 or 4 roofing are overlapped. However, when it is applied to a high wall surface, risk of high temperature molten asphalt construction There is a problem that watertightness of the waterproofing can not be expected and there are not many skillfuls because water is liable to be generated during the hardening process of the melted asphalt.
The liquid waterproofing method has advantages such as easy construction because of few steps, waterproofing layer is constant in thickness, elongation and cracking resistance, and can be used on the basis of the behavior and exposing method, but there are many leaks at joints and end portions, It is difficult to find the cause of leakage, and it is insulated from the sphere and swells and breaks well and is not ventilated. Therefore, a degassing apparatus is required and deterioration easily occurs due to ultraviolet rays.
In addition, a waterproofing method using a thermosetting resin such as urethane or epoxy is characterized in that it has good stretchability, can withstand cracks of less than 1 mm, and is excellent in adhesiveness to a base surface. However, There is a problem in that defects may occur at the time of bonding, a swelling phenomenon occurs, a long curing time, and a large flow rate in a vertical portion.
On the other hand, penetration type waterproofing materials commonly used at home and abroad are made of alkali silicate. These alkaline silicates rapidly react with calcium ions, which are the main constituents of concrete, to form calcium silicate even though the surface tension is low. This calcium silicate is a insoluble and chemically stable oxide that protects the surface of the concrete but has a problem that it can not penetrate into the concrete due to its penetration strength of only a few millimeters and thus it is difficult to restore the performance of the concrete structure.
Disclosure of the Invention Technical Problem [8] The present invention provides a composite composition for waterproofing a concrete structure, which has excellent penetration ability and is excellent in properties such as water resistance, chemical resistance, acid resistance, durability, salt resistance and strength when repairing concrete structures.
Another object of the present invention is to provide a method for preparing a water-repellent inorganic / organic composite composition for a concrete structure, which has excellent penetration ability and excellent properties such as water resistance, chemical resistance, acid resistance, durability, salt resistance and strength when repairing a concrete structure .
Another object of the present invention is to provide a waterproof composite concrete composition comprising an inorganic binder and an organic waterproofing performance improving agent, which is excellent in penetration and water resistance, chemical resistance, acid resistance, durability, Strength and the like of the concrete structure.
The present invention provides a composition for waterproofing a concrete structure, which comprises an inorganic binder and an organic waterproofing performance improving agent.
The water-proof organic-inorganic hybrid composition may contain 5 to 70% by weight of an inorganic binder and 30 to 95% by weight of an organic waterproofing agent.
Wherein the inorganic binder comprises 5 to 45 wt% alumina cement, 5 to 30 wt% of calcium carbonate, 5 to 30 wt% of magnesium oxide, 5 to 30 wt% of silica powder, 5 to 20 wt% of mica, 0.1 to 20 wt% 0.1 to 10% by weight of charcoal powder, 0.01 to 10% by weight of zeolite, 0.01 to 10% by weight of titanium oxide and 0.01 to 10% by weight of zirconium.
Wherein the waterproofing performance improving agent comprises 15 to 90% by weight of methyl methacrylate-butyl acrylate, 5 to 35% by weight of styrene-butylacrylate, 1 to 30% by weight of urethane, 0.1 to 15% by weight of polyoxyethylene, 0.1 to 10% by weight of ethylcellulose, 0.01 to 10% by weight of ethylene-vinyl acetate and 0.1 to 10% by weight of a pigment.
In addition, the waterproof performance improving agent may further include 0.01 to 10% by weight of an antifoaming agent to remove bubbles in the waterproof performance improving agent to increase strength and durability.
The waterproofing performance improving agent may further include 0.01 to 10% by weight of a high-performance water reducing agent for reducing the water-cement ratio to improve strength and durability.
In order to improve the dispersibility of the waterproofing performance improving agent, sodium laurate may be added in an amount of 0.01 to 10% by weight based on the waterproofing performance improving agent.
In addition, vinyltriethoxysilane may further be added in an amount of 0.01 to 10% by weight based on the waterproofing performance improving agent so as to serve as a crosslinking agent for bonding formation of the waterproofing performance improving agent.
The present invention also provides a method for producing a composition for waterproofing a concrete structure, which comprises adding 30 to 95% by weight of a waterproofing agent to 5 to 70% by weight of an inorganic binder, mixing the mixture for 30 seconds to 3 minutes, Based composite composition according to the present invention.
According to another aspect of the present invention, there is provided a method of manufacturing a concrete structure, comprising the steps of: removing impurities and deteriorated portions by chipping a portion where the concrete structure is deteriorated to deteriorate the concrete; applying a new adhesive to a portion where the concrete is deteriorated; A step of applying the waterproof organic / inorganic hybrid composition by first coating and curing followed by a second coating of the waterproof organic / inorganic hybrid composition, and a step of coating the top of the applied top to improve waterproofness, abrasion resistance and antifouling property. A waterproofing method for a concrete structure using an organic / inorganic hybrid composition. In this case, in order to increase the toughness of the coated portion to prevent reflection cracks and the like, it may further include a step of embedding a mesh-type mat made of PE, PP, nylon fiber, glass fiber or the like.
The above and new adhesive may be selected from the group consisting of styrene-acrylic, ethyl vinyl acetate (EVA), styrene-butyl acrylate-methyl acrylate, styrene butadiene rubber ; SBR), and the waterproof performance improving agent.
According to the present invention, when waterproofing a concrete structure, it is possible to obtain an inorganic and organic composite composition for waterproofing concrete structures excellent in penetration and excellent in properties such as water resistance, chemical resistance, acid resistance, durability, salt resistance and strength.
When waterproofing exposed concrete structures and exponential structures such as rooftops, underground parking lots, outdoor parking lots, bridges, etc. of buildings using water-based composite materials for waterproofing of concrete structures according to the present invention, the PP, PE, nylon and glass fiber mesh The tensile strength and elongation are increased to improve the resistance to the reflection cracks of the lower concrete structure and at the same time to induce the contraction and expansion due to temperature, humidity, etc., so that the integrated behavior with the existing concrete structure can be achieved. Therefore, it exhibits an excellent effect of neutralizing water, chlorine or carbon dioxide, water resistance, weatherability and freezing and thawing resistance together with the effect of blocking moisture.
Hereinafter, preferred embodiments according to the present invention will be described in detail. However, it should be understood that the following embodiments are provided so that those skilled in the art will be able to fully understand the present invention, and that various modifications may be made without departing from the scope of the present invention. It is not.
The waterproof organic / inorganic hybrid composition according to a preferred embodiment of the present invention includes an inorganic binder and an organic waterproofing performance improving agent.
The water-proof organic-inorganic hybrid composition may contain 5 to 70% by weight of an inorganic binder and 30 to 95% by weight of an organic waterproofing agent.
Wherein the inorganic binder comprises 5 to 45 wt% alumina cement, 5 to 30 wt% of calcium carbonate, 5 to 30 wt% of magnesium oxide, 5 to 30 wt% of silica powder, 5 to 20 wt% of mica, 0.1 to 20 wt% 0.1 to 10% by weight of charcoal powder, 0.01 to 10% by weight of zeolite, 0.01 to 10% by weight of titanium oxide and 0.01 to 10% by weight of zirconium.
Wherein the organic waterproofing performance improving agent comprises 15 to 90% by weight of methyl methacrylate-butyl acrylate, 5 to 35% by weight of styrene-butylacrylate, 1 to 30% by weight of urethane, 0.1 to 15% by weight of polyoxyethylene, 0.1 0.1 to 10 wt% of ethylcellulose, 0.01 to 10 wt% of ethylene-vinyl acetate, and 0.1 to 10 wt% of pigment.
In addition, the waterproof performance improving agent may further include 0.01 to 10% by weight of an antifoaming agent to remove bubbles in the waterproof performance improving agent to increase strength and durability.
The waterproofing performance improving agent may further include 0.01 to 10% by weight of a high-performance water reducing agent for reducing the water-cement ratio to improve strength and durability.
In order to improve the dispersibility of the waterproofing performance improving agent, sodium laurate may be added in an amount of 0.01 to 10% by weight based on the waterproofing performance improving agent.
In addition, vinyltriethoxysilane may further be added in an amount of 0.01 to 10% by weight based on the waterproofing performance improving agent so as to serve as a crosslinking agent for bonding formation of the waterproofing performance improving agent.
The alumina cement is an inorganic fast hard mineral material added to increase hydration reactivity, improve crack resistance and chemical resistance, and reacts with water instantly when it comes into contact with water to form an ettringite hydrate, When mixed with cement, excellent strength and durability can be obtained in a short time. The alumina cement is preferably contained in an amount of 5 to 45% by weight based on the inorganic binder. When the content of the alumina cement is less than 5% by weight, the effect of improving the strength, suppressing cracking and improving the durability may be insignificant. When the content of the alumina cement is less than 45% by weight, , Good physical properties can be obtained due to fast curing characteristics, but the production cost is high and it is not economical.
The calcium carbonate is used to obtain a filling effect and a thickening effect of the composition. It is preferable to use heavy calcium carbonate as the calcium carbonate. The content of the calcium carbonate is preferably 5 to 30% by weight based on the inorganic binder. If the content of the calcium carbonate is less than 5% by weight, the filling effect and the thickening effect are insufficient. If the content is more than 30% by weight, the workability may be deteriorated.
The magnesium oxide (MgO) is used as an inorganic flame retardant. The magnesium oxide has a formula MgO and a compounding amount of 40.3. The magnesium oxide is also called goto (industrial grade), the industrial product is called magnesia, and the medicine is called magnesia woaster. Magnesium oxide has a melting point of 2826 캜, a boiling point of 3600 캜, a specific gravity of 3.65, a cubic crystal system solubility of 0.62 mg / 100 g, and a refractive index of 1.7364. Magnesium oxide is obtained by heating metallic magnesium in air, and industrially, magnesium carbonate (magnesite), magnesium hydroxide carbonate, magnesium hydroxide and the like are calcined. Magnesium oxide is a white crystalline solid, chemically relatively inert. Magnesium oxide is only slightly soluble in water, but it dissolves in dilute acid. Magnesium oxide slowly absorbs water and carbon dioxide gas in the air and becomes magnesium hydroxide carbonate. Magnesium oxide is very reflective (visible) and near-ultraviolet (reflectivity) and is used as a reflector or white standard in optics. Magnesium oxide is industrially used as a raw material for magnesia cement, steelmaking furnace material and refractory brick tile.
When the content of the magnesium oxide exceeds 30 wt%, the flame retardancy is improved but the workability and strength are lowered. When the content of the magnesium oxide is less than 5 wt% , The workability and strength are increased but the flame retarding effect is lowered.
The silica powder is used to improve the strength, the abrasion resistance, the thickening, the filling effect and the impact. When the content of the silica powder is more than 30% by weight, the viscosity of the silica-based powder is increased and the workability of the silica-based powder is deteriorated. If it is less than 5% by weight, the charging effect of the composition is deteriorated.
The mica is in the form of a flake, and serves as a shield to prevent penetration of chlorine ions or water. The mica is preferably contained in an amount of 5 to 20% by weight based on the inorganic binder. When the content of the mica is less than 5% by weight, it is difficult to form a dense structure of the cement concrete composition. When the content of the mica exceeds 20% by weight, the hydration reaction is lowered and the strength is lowered.
The aluminum hydroxide is used for improving flame retardancy and durability. The content of the aluminum hydroxide is preferably 0.1 to 20% by weight based on the inorganic binder. When the content of the aluminum hydroxide exceeds 20% by weight, the flame retardancy and durability are not sufficiently improved. When the content of the aluminum hydroxide is less than 0.1% , The performance improvement effect is lowered.
The above-mentioned charcoal powder is used for improving functions such as a strong adsorption power, anion emission, and far-infrared radiation characteristics, and thus to improve functions such as a hygroscopic effect, a deodorization effect, a gas adsorption, a deodorization effect, a humidity control, an antibacterial effect, . The charcoal powder preferably contains 0.1 to 10 wt% of the inorganic binder. If the content of the charcoal powder is less than 0.1 wt%, it is difficult to expect a sufficient performance improvement effect. If the content of the charcoal powder is more than 10 wt%, the performance is improved but the workability and strength may be lowered.
The zeolite is used as a hygroscopic agent to absorb moisture of the polymer resin during fast curing and to prevent foaming. The zeolite is collectively referred to as minerals which are aluminum silicate hydrates of alkali and alkaline earth metals. The color is colorless transparent or white translucent. Zeolite is also called zeolite, and it has many kinds, but it has commonality in the points of high water content, crystal properties, and acidity. The hardness of the zeolite does not exceed 6 and the specific gravity is about 2.2. Zeolites generally dissolve in hydrochloric acid and often form glues, but a few species are not soluble in hydrochloric acid. The main types of zeolite are antimatter, ophthalmic, chabazite, soda ash, heulandite, stilbite, rhomontite and enesite. These zeolites are produced in the cavities and bases of basic igneous rocks such as basalt and whistle tuff, and sometimes as secondary minerals in granite and gneiss. In addition, zeolite may be produced in gold ore or other veins. The zeolite can be adsorbed by other zeolites, because the zeolite is loosely bound to each atom in a crystal structure, and the water filling the space is released as a high heat, the skeleton remains. Using this property, zeolite is used as an adsorbent, and it is also used as a molecular sieve (molecular sieve) for separating fine particles of different sizes.
The zeolite is preferably contained in an amount of 0.01 to 10% by weight based on the inorganic binder. When the content of the zeolite exceeds 10% by weight, the workability of the zeolite is deteriorated. If the content of the zeolite is less than 0.01% .
The titanium oxide is used to improve preservation and antibacterial effect. The titanium oxide is preferably contained in an amount of 0.01 to 10% by weight based on the inorganic binder. When the content of titanium oxide is less than 0.01% by weight, the antifouling performance is insignificant. When the content of titanium oxide is more than 10% by weight, the strength is decreased and the production cost is low It is not economical.
The zirconium is used to improve the bonding strength and improve the adhesion to the sphere. The zirconium is preferably incorporated in an amount of 0.01 to 10% by weight based on the inorganic binder. If the content of zirconium exceeds 10% by weight, the bonding force and the adhesive force are improved but the workability is easily deteriorated. If the content is less than 0.01% by weight, the effect of improving the performance may be weak.
The methyl methacrylate-butyl acrylate has a property of rapidly forming a polymerized polymer as a colorless, volatile strong raw material. It is highly permeable and plays an important role in lowering strength and durability. The content of the methyl methacrylate-butyl acrylate is preferably 15 to 90% by weight with respect to the water resistance improving agent. If the content of the methyl methacrylate-butyl acrylate resin exceeds 90 wt%, the strength and durability are improved but the material separation phenomenon tends to occur. If the content of the methyl methacrylate-butyl acrylate resin is less than 15 wt%, the performance improvement effect is insufficient.
The styrene-butyl acrylate is used for improving ductility and durability. The content of the styrene-butyl acrylate is preferably 5 to 35% by weight with respect to the waterproofing performance improving agent. If the content of styrene-butylacrylate exceeds 35% by weight, ductility and durability are improved but material separation phenomenon tends to occur. If the content is less than 5% by weight, ductility and durability are lowered.
The urethane is used for improving strength, durability and weatherability. The content of the urethane is preferably 1 to 30% by weight based on the waterproofing performance improving agent. If the content of urethane exceeds 30% by weight, the weatherability is improved but the price competitiveness is lowered. If the content is less than 1% by weight, the effect of improving weatherability is insufficient.
The polyoxyethylene is used to improve tensile strength and flexibility. The polyoxyethylene is preferably contained in an amount of 0.1 to 15% by weight based on the waterproof performance improving agent. If the content of the polyoxyethylene exceeds 15% by weight, the ductility becomes strong and the deformation due to the load tends to occur. If the content is less than 0.1% by weight, the brittleness becomes strong.
The methyl acrylate is used to improve strength and durability. The content of the methyl acrylate is preferably 0.1 to 15% by weight based on the waterproof performance improving agent. If the content of the methyl acrylate exceeds 15% by weight, the strength and durability are improved, but brittleness tends to occur. When the content is less than 0.1% by weight, the strength and durability are lowered.
The above-mentioned ethylcellulose is used for improving workability and hydrophilicity. The content of the ethylcellulose is preferably 0.1 to 10 wt% with respect to the waterproofing performance improving agent. If the content of ethylcellulose is more than 10% by weight, the hydrophilicity is improved but the viscosity is increased and the workability is easily deteriorated. If the content is less than 0.1% by weight, the viscosity is lowered and the level performance is lowered and the hydrophilic property improving effect is insufficient .
The ethylene-vinyl acetate is used for prevention of material separation and prevention of caking phenomenon. The content of ethylene-vinyl acetate is preferably 0.01 to 10% by weight based on the waterproofing performance improving agent. If the ethylene-vinyl acetate content exceeds 10% by weight, material separation or kake phenomenon does not occur, but workability tends to deteriorate. If the content is less than 0.01% by weight, material separation and caking tend to occur.
The pigment may be an azo compound (AZO compound) which is an organic pigment that reflects infrared rays. The azo compound is a generic name of a compound having an azo group -N = N-. The azo compound has a binding angle close to 120 아 in the nitrogen of the azo group, and it is possible to form a cis form and a trans-form geometric isomer. Most of the azo compound exists in a stable trans-form, and azobenzene is a typical azo compound in the trans form. These azo compounds can be used to produce the color desired by the consumer. The content of the pigment is preferably in the range of 0.1 to 10 wt% with respect to the waterproofing performance improving agent. If the content of the pigment is less than 0.1% by weight, the effect of reflecting infrared rays is deteriorated. If the content exceeds 10% by weight, the price competitiveness is deteriorated.
The antifoaming agent is used to remove bubbles in the waterproofing performance improving agent to increase strength and durability. Also, when the antifoaming agent is added to the waterproofing performance improving agent, the air entraining effect is imparted to improve the workability and the pot life. The antifoaming agent is preferably contained in an amount of 0.01 to 10 wt% with respect to the waterproofing performance improving agent. Examples of the defoaming agent include alcohol defoaming agents, silicone defoaming agents, fatty acid defoaming agents, oil defoaming agents, ester defoaming agents and oxyalkylene defoaming agents. Examples of the silicone defoaming agent include dimethyl silicone oil, polyorganosiloxane, and fluorosilicone oil. Examples of the fatty acid defoaming agent include stearic acid and oleic acid. Examples of the oil-based antifoaming agents include kerosene, animal and plant oil, and castor oil. Examples of the ester type antifoaming agents include solitol trioleate, glycerol monoricinolate, and the like. Examples of the oxyalkylene antifoaming agents include polyoxyalkylene, acetylene ethers, polyoxyalkylene diisocyanate esters, and polyoxyalkylene alkylamines. Examples of the alcohol-based defoaming agent include glycol.
The high performance water reducing agent is used to improve the strength and durability by reducing the water-cement ratio and to secure the fluidity of the waterproofing performance improving agent. Water-cement ratio is reduced when a high-performance water reducing agent is added to the waterproofing performance improving agent. The high-performance water reducing agent is preferably contained in an amount of 0.01 to 10 wt% with respect to the waterproofing performance improving agent. The high performance water reducing agent may be a polycarboxylic acid type, melamine type or naphthalene type water reducing agent. However, the naphthalene type and melamine type may lower the strength of the composition as compared with the polycarboxylic acid type and lower the workability and the pot life, , A polycarboxylic acid-based water-reducing agent which does not lower workability and pot life.
Further, the sodium laurate is used for improving the dispersibility of the waterproofing performance improving agent. The sodium laurate is preferably contained in an amount of 0.01 to 10% by weight based on the waterproofing performance improving agent.
In addition, the vinyltriethoxysilane is used for crosslinking to form a bond of the waterproofing performance improving agent. The vinyltriethoxysilane is preferably contained in an amount of 0.01 to 10% by weight with respect to the waterproofing performance improving agent.
The present invention also provides a method for producing an organic-inorganic hybrid composition for waterproofing a concrete structure, which comprises adding 30 to 95% by weight of a waterproofing performance improving agent to 5 to 70% by weight of an inorganic binder, mixing the mixture for 30 seconds to 3 minutes, The present invention also provides a method for producing an organic / inorganic hybrid composition for waterproofing a structure.
According to another aspect of the present invention, there is provided a method of manufacturing a concrete structure, comprising the steps of: removing impurities and deteriorated portions by chipping a portion where the concrete structure is deteriorated to deteriorate the concrete; applying a new adhesive to a portion where the concrete is deteriorated; A step of applying the waterproof organic / inorganic hybrid composition by first coating and curing followed by a second coating of the waterproof organic / inorganic hybrid composition, and a step of coating the top of the applied top to improve waterproofness, abrasion resistance and antifouling property. A waterproofing method for a concrete structure using an organic / inorganic hybrid composition. In this case, in order to increase the toughness of the coated portion to prevent reflection cracks and the like, it may further include a step of embedding a mesh-type mat made of PE, PP, nylon fiber, glass fiber or the like.
The old and new adhesives may be selected from the group consisting of styrene-acrylic, ethyl vinyl acetate (EVA), styrene-butyl acrylate-methyl acrylate, styrene-butadiene rubber Styrene Butadiene Rubber (SBR), and the waterproof performance improving agent.
The top coating agent is used to exhibit durability such as neutralization, salting-out, freeze-thaw resistance, and water tightness of a concrete structure. Examples of the top coating agent include epoxy, urethane, urethane-acryl, polyurea, styrene- (EVA), styrene-butyl acrylate-methyl acrylate, styrene butadiene rubber (SBR), and the waterproof performance improving agent.
Hereinafter, the present invention will be described in more detail with reference to examples.
≪ Example 1 >
40% by weight of an inorganic binder and 60% by weight of an organic waterproofing performance improving agent were mixed in a forced mixer for 2 minutes to prepare a waterproof inorganic / organic composite composition.
The inorganic binder was composed of 40 wt% of alumina cement, 10 wt% of calcium carbonate, 10 wt% of magnesium oxide, 10 wt% of silica powder, 5 wt% of mica, 5 wt% of aluminum hydroxide, 5 wt% of charcoal powder, By weight, titanium oxide 5% by weight, and zirconium 5% by weight.
At this time, the organic waterproofing performance improving agent is composed of 92% by weight of methyl methacrylate-butyl acrylate, 1% by weight of styrene-butyl acrylate, 1% by weight of urethane, 1% by weight of polyoxyethylene, 1% by weight of methyl acrylate, 1% by weight of oats, 1% by weight of ethylene-vinyl acetate, 0.2% by weight of a pigment, 0.2% by weight of a defoaming agent, 0.3% by weight of a high-performance water reducing agent, 0.3% by weight of sodium laurate and 0.2% by weight of vinyltriethoxysilane. At this time, the antifoaming agent may be an alcohol type antifoaming agent or a silicone type antifoaming agent. The high performance water reducing agent used was a polycarboxylic acid based high performance water reducing agent.
≪ Example 2 >
40% by weight of an inorganic binder and 60% by weight of a waterproofing performance improving agent were mixed in a forced mixer for 2 minutes to prepare a waterproof inorganic / organic composite composition.
The inorganic binder was composed of 40 wt% of alumina cement, 10 wt% of calcium carbonate, 10 wt% of magnesium oxide, 10 wt% of silica powder, 5 wt% of mica, 5 wt% of aluminum hydroxide, 5 wt% of charcoal powder, By weight, titanium oxide 5% by weight, and zirconium 5% by weight.
At this time, the waterproofing performance improving agent was composed of 86 wt% of methyl methacrylate-butyl acrylate, 2 wt% of styrene-butyl acrylate, 2 wt% of urethane, 2 wt% of polyoxyethylene, 2 wt% of methyl acrylate, 2% by weight of ethylene-vinyl acetate, 0.2% by weight of a pigment, 1% by weight of a defoaming agent, 0.3% by weight of a high-performance water reducing agent, 0.3% by weight of sodium laurate and 0.2% by weight of vinyltriethoxysilane. At this time, the antifoaming agent may be an alcohol type antifoaming agent or a silicone type antifoaming agent. The high performance water reducing agent used was a polycarboxylic acid based high performance water reducing agent.
≪ Example 3 >
40% by weight of an inorganic binder and 60% by weight of a waterproofing performance improving agent were mixed in a forced mixer for 2 minutes to prepare a waterproof inorganic / organic composite composition.
The inorganic binder was composed of 40 wt% of alumina cement, 10 wt% of calcium carbonate, 10 wt% of magnesium oxide, 10 wt% of silica powder, 5 wt% of mica, 5 wt% of aluminum hydroxide, 5 wt% of charcoal powder, By weight, titanium oxide 5% by weight, and zirconium 5% by weight.
At this time, the waterproofing performance improving agent was composed of 80% by weight of methyl methacrylate-butyl acrylate, 3% by weight of styrene-butyl acrylate, 3% by weight of urethane, 3% by weight of polyoxyethylene, 3% by weight of methyl acrylate, 3% by weight of ethylene-vinyl acetate, 0.2% by weight of a pigment, 1% by weight of a defoaming agent, 0.3% by weight of a high-performance water reducing agent, 0.3% by weight of sodium laurate and 0.2% by weight of vinyltriethoxysilane. At this time, the antifoaming agent may be an alcohol type antifoaming agent or a silicone type antifoaming agent. The high performance water reducing agent used was a polycarboxylic acid based high performance water reducing agent.
The comparative examples which can be compared with the embodiments of the present invention are provided so as to more easily grasp the characteristics of the above-described first to third embodiments.
≪ Comparative Example 1 &
40% by weight of alumina cement and 60% by weight of methyl methacrylate-butyl acrylate were mixed in a forced mixer for 2 minutes to prepare a composition.
The present invention will be described in more detail with reference to the following experimental examples, which are not intended to limit the present invention.
≪ Test Example 1 >
Tensile strength, elongation, and adhesion performance tests were conducted with KS F 3211 (construction coat waterproofing material) to compare the mechanical properties of the organic-inorganic hybrid composition for waterproofing concrete prepared in Example and the composition prepared in Comparative Example 1 , And the results are shown in Table 1 below.
(kgf / cm2)
As shown in Table 1, Examples 1 to 3 using the organic and inorganic composite for waterproofing concrete prepared according to the preferred embodiment of the present invention showed much higher tensile strength, elongation, and adhesion performance than Comparative Example 1.
≪ Test Example 2 > Tensile performance after degradation treatment
The tensile performance after the deterioration treatment was measured by KS F 3211 in order to compare the tensile performance after the deterioration treatment of the composite of the present invention and the comparative example. The results are shown in Table 2.
(%)
Elongation (%)
As shown in Table 2, Examples 1 to 3 of the present invention exhibited tensile performance after the excellent heat treatment.
≪ Test Example 3 >
In order to compare the temperature dependency of the composite of the water-insoluble and water-repellent concrete composition prepared in the examples with the composition of the comparative example, the temperature dependency was measured by KS F 3211. The results are shown in Table 3.
(%)
Elongation (%) between
As shown in Table 3, Example 1 of the present invention showed much higher temperature dependency than Comparative Example 1.
≪ Test Example 4 >
In order to compare the deterioration properties of the compositions of the comparative examples with the water-insoluble inorganic / organic composite compositions of the concrete prepared in the examples, the deterioration properties were measured by KS F 3211 for elongation. The results are shown in Table 4.
Degradation property
none
none
none
none
none
none
none
none
none
none
none
none
As shown in Table 4, in Example 1 and Comparative Example 1 of the present invention, cracks, residue and deformation did not occur.
≪ Test Example 5 >
In order to compare the flow resistance performance of the composite of the present invention and the comparative example, the endothelial performance was measured by KS F 3211. The results are shown in Table 5.
As shown in Table 5, in Examples 1 to 3 and Comparative Example 1 of the present invention, punching, warming and breaking of the coating film were not observed.
≪ TEST EXAMPLE 6 >
In order to compare the flow resistance performance of the concrete composition waterproofing organic-inorganic hybrid composition of the present invention and the composition of the comparative example, the falling resistance performance was measured by KS F 3211. The results are shown in Table 6.
As shown in Table 6, the Examples 1 to 3 of the present invention had less runoff than Comparative Example 1, and wrinkles did not occur in any specimen.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, This is possible.
Claims (9)
5 to 70% by weight of an inorganic binder and 30 to 95% by weight of an organic waterproofing agent,
Wherein the inorganic binder comprises 5 to 45 wt% alumina cement, 5 to 30 wt% of calcium carbonate, 5 to 30 wt% of magnesium oxide, 5 to 30 wt% of silica powder, 5 to 20 wt% of mica, 0.1 to 20 wt% 0.1 to 10% by weight of charcoal powder, 0.01 to 10% by weight of zeolite, 0.01 to 10% by weight of titanium oxide and 0.01 to 10% by weight of zirconium,
Wherein the waterproofing performance improving agent comprises 15 to 90% by weight of methyl methacrylate-butyl acrylate, 5 to 35% by weight of styrene-butylacrylate, 1 to 30% by weight of urethane, 0.1 to 15% by weight of polyoxyethylene, 0.1 to 10% by weight of ethylcellulose, 0.01 to 10% by weight of ethylene-vinyl acetate and 0.1 to 10% by weight of a pigment,
In order to provide a crosslinking function for the bond formation of the waterproofing performance improving agent, vinyltriethoxysilane is further added in an amount of 0.01 to 10% by weight relative to the waterproofing performance improving agent
Wherein the water-insoluble organic /
The waterproof performance improving agent further comprises 0.01 to 10% by weight of an antifoaming agent for removing bubbles in the waterproof performance improving agent to increase strength and durability
Wherein the water-insoluble organic /
The waterproofing performance-improving agent further comprises 0.01 to 10% by weight of a high-performance water reducing agent for reducing water-cement ratio to improve strength and durability
Wherein the water-insoluble organic /
In order to improve the dispersibility of the waterproof performance improving agent, sodium laurate is further added in an amount of 0.01 to 10% by weight based on the waterproof performance improving agent
Wherein the water-insoluble organic /
A pretreatment step of removing impurities and deteriorated portions by chipping a portion where concrete is deteriorated due to deterioration of the concrete structure,
Applying a new and adhesive agent to a region where the pretreated concrete has deteriorated,
Applying the waterproof organic / inorganic hybrid composition to the site where the new and old adhesive agent is applied, and then applying the waterproof organic / inorganic hybrid composition after the second application;
The step of top coating the upper part on which the water-proof organic / inorganic hybrid composition is applied in order to improve waterproofness, abrasion resistance and antifouling property
A waterproofing method for a concrete structure using an organic / inorganic hybrid composition for waterproofing a concrete structure.
Prior to the step of top coating to improve waterproofness, abrasion resistance and antifouling property of the upper part to which the water-proof organic / inorganic hybrid composition is applied,
In order to increase the toughness of the coated portion of the water-proof organic / inorganic hybrid composition to prevent reflection cracks, a step of embedding a mesh-type mat made of PE, PP, nylon fiber or glass fiber
The present invention further provides a waterproofing method for a concrete structure using an organic / inorganic hybrid composition for waterproofing a concrete structure.
The old and new adhesives may be selected from the group consisting of styrene-acrylic, ethyl vinyl acetate (EVA), styrene-butyl acrylate-methyl acrylate, styrene-butadiene rubber Styrene Butadiene Rubber (SBR), and the waterproof performance improving agent.
A waterproofing method for a concrete structure using an organic / inorganic hybrid composition for waterproofing a concrete structure.
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| KR101713499B1 (en) | 2016-09-22 | 2017-03-07 | (주)탱크마스타 | Anti-microbial water-proofing sheet which built in the underground water tank |
| KR101745615B1 (en) * | 2017-01-31 | 2017-06-09 | 씨엘엠테크(주) | Polymer concrete composition and concrete pavement method using the same |
| KR101749639B1 (en) * | 2017-01-31 | 2017-06-21 | 씨엘엠테크(주) | Rapid-hardening polymer concrete composition and concrete pavement method using the same |
| CN107059947A (en) * | 2017-06-20 | 2017-08-18 | 上海微晶防水材料有限公司 | Villa basement waterproofing moistureproof and mildewproof construction technology |
| KR101777267B1 (en) * | 2016-10-07 | 2017-09-11 | 임환명 | Adhesive composition for ceramic tile for waterproof and method for laying ceramic tile on concrete structure therewith |
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| KR101713499B1 (en) | 2016-09-22 | 2017-03-07 | (주)탱크마스타 | Anti-microbial water-proofing sheet which built in the underground water tank |
| KR101777267B1 (en) * | 2016-10-07 | 2017-09-11 | 임환명 | Adhesive composition for ceramic tile for waterproof and method for laying ceramic tile on concrete structure therewith |
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| KR101801619B1 (en) | 2017-08-17 | 2017-11-27 | 남경건설(주) | Eco-friendly steel protection composition with improved functionality and weatherability and method for protecting surface of steel structure therewith |
| KR101960639B1 (en) * | 2018-09-03 | 2019-03-25 | 이영한 | Thermal insulating sheet complex waterproof construction method using aqueous membrane waterproof agents |
| KR101954238B1 (en) * | 2018-10-08 | 2019-03-06 | 주식회사 지케이기술연구소 | Waterproofing Treatment Composition Comprising SIS and Waterproofing Methods using Thereof |
| KR101954235B1 (en) * | 2018-10-08 | 2019-03-06 | 주식회사 지케이기술연구소 | Asphalt Waterproofing Agent Composition Comprising SIS and SBS and Constructing Methods Using Thereof |
| KR101975944B1 (en) * | 2018-10-11 | 2019-05-07 | 조원창 | Method for repairing cracks using a fiber sheet and a waterproof coating composition for forming an elastic coating film |
| KR101954243B1 (en) * | 2018-11-09 | 2019-03-06 | 주식회사 지케이기술연구소 | Asphalt Concrete Composition Which Comprising SIS, SBS and Aggregate-powder of Improved Grain Size Having Low Noise and Permeable and Constructing Methods Using Thereof |
| KR102130477B1 (en) | 2019-08-30 | 2020-07-06 | 주식회사 홍서이엔씨 | Waterproof organic-inorganic complex composition for concrete structure and waterproofing method of concrete structure therewith |
| KR102531866B1 (en) * | 2022-08-30 | 2023-05-15 | (주)리빌텍이엔씨 | Construction method for pavement using polymer concrete composition |
| KR102562297B1 (en) * | 2022-11-15 | 2023-08-02 | 세기하이테크건설 주식회사 | High-functional organic-inorganic hybrid surface protecting composition having excellent durability comprising elastic polymer-based complex admixture and ceramic-based filler and environmental-friendly surface protection method of concrete and steel structure using the same |
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