KR20230171747A - Composition for functional road pavement - Google Patents
Composition for functional road pavement Download PDFInfo
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- KR20230171747A KR20230171747A KR1020220072276A KR20220072276A KR20230171747A KR 20230171747 A KR20230171747 A KR 20230171747A KR 1020220072276 A KR1020220072276 A KR 1020220072276A KR 20220072276 A KR20220072276 A KR 20220072276A KR 20230171747 A KR20230171747 A KR 20230171747A
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- 239000000203 mixture Substances 0.000 title claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 28
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000049 pigment Substances 0.000 claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 239000005060 rubber Substances 0.000 claims abstract description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 10
- OYPRJOBELJOOCE-BKFZFHPZSA-N Calcium-45 Chemical compound [45Ca] OYPRJOBELJOOCE-BKFZFHPZSA-N 0.000 claims abstract description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 239000010426 asphalt Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000013538 functional additive Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- C04B41/4596—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 fibrous materials or whiskers
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- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
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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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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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
- C04B41/4857—Other macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B41/4876—Polystyrene
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- 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
- C04B41/5007—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 salts or salty compositions, e.g. for salt glazing
- C04B41/501—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 salts or salty compositions, e.g. for salt glazing containing carbon in the anion, e.g. carbonates
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- 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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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/54—Pigments; Dyes
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00362—Friction materials, e.g. used as brake linings, anti-skid materials
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Abstract
본 발명은 크랙 발생이 감소하고 미끄럼 방지효과가 우수하며 차열 등의 기능성 안료 포함 시 기능성을 장시간 유지할 수 있는 도로포장용 조성물에 관한 것이다. 본 발명의 기능성 도로포장용 조성물은 메틸메타크릴레이트(MMA) 수지 15~40중량%, 고무계 수지 5~15중량%, 유리섬유 1~10중량%, 탄산칼슘 5~15중량% 및 실리카 45~60중량%를 포함한다. 이렇게 조성된 본 발명의 조성물은 도로에 포장 시공 시 시간 경과에 따른 크랙 발생을 억제하여 미끄럼 방지, 차열성능 등의 기능성을 장시간 유지할 수 있다. The present invention relates to a road pavement composition that reduces the occurrence of cracks, has excellent anti-slip effect, and can maintain functionality for a long time when it contains functional pigments such as heat insulation. The functional road pavement composition of the present invention contains 15 to 40% by weight of methyl methacrylate (MMA) resin, 5 to 15% by weight of rubber resin, 1 to 10% by weight of glass fiber, 5 to 15% by weight of calcium carbonate, and 45 to 60% by weight of silica. Includes weight percent. The composition of the present invention formulated in this way can suppress the occurrence of cracks over time during pavement construction on roads and maintain functionality such as anti-slip and heat insulation performance for a long time.
Description
본 발명은 기능성 도로포장용 조성물에 관한 것으로, 보다 구체적으로는 크랙 발생이 감소하고 미끄럼 방지효과가 우수하며 차열 등의 기능성 안료 포함시 기능성을 장시간 유지할 수 있는 도로포장용 조성물에 관한 것이다.The present invention relates to a composition for functional road pavement, and more specifically, to a composition for road pavement that reduces the occurrence of cracks, has excellent anti-slip effect, and can maintain functionality for a long time when it contains functional pigments such as heat insulation.
도시에서 발생하는 열섬현상의 대표적인 원인 중 하나는 아스팔트 및 콘크리트 포장도로의 고온화이다. 특히, 도시면적의 약 20%를 차지하는 것으로 알려진 아스팔트 포장도로는 주간에는 태양광에 의한 열을 흡수 및 축적하여 고온화되고 대기를 가열시켜 무더운 여름철 낮의 노면온도를 60℃까지 상승시킨다. 또한, 야간에는 주간에 축척된 열이 대기로 방출되어 대기를 가열하기 때문에 열대야의 원인이 된다.One of the main causes of the heat island phenomenon that occurs in cities is the high temperature of asphalt and concrete pavements. In particular, asphalt paved roads, which are known to occupy about 20% of the city area, absorb and accumulate heat from sunlight during the day, heating the atmosphere and raising the road surface temperature to 60°C during the hot summer days. Additionally, at night, heat accumulated during the day is released into the atmosphere and heats it, causing tropical nights.
이러한 아스팔트 및 콘크리트 포장도로의 고온화는 자동차 바퀴를 손상시키고, 포장도로 자체의 내구성도 저하시킬 수 있다. 이를 방지하기 위하여 여름에는 포장도로에 물을 뿌리는 작업을 하기도 하지만, 이러한 방법은 많은 노동력이 소요되고, 효과 또한 일시적이며, 많은 물 사용에 따른 문제도 있다.The high temperature of asphalt and concrete pavements can damage car wheels and reduce the durability of the pavement itself. To prevent this, water is sprayed on the pavement in the summer, but this method requires a lot of labor, is only temporary, and has problems due to the use of a lot of water.
차열은 복사열 에너지를 반사하여 단열작용을 하는 것인데, 고온의 열과 마찰로부터 도로를 보호하기 위하여 이러한 차열성능을 갖는 차열성 도로포장용 조성물이 사용되고 있다. 일반적으로 차열성 도로포장용 조성물은, 차열안료에 미끄럼 방지성능 등의 기능성을 부여하기 위하여 에폭시나 아크릴, 우레탄 타입의 유기용제형 바인더 수지와 마찰재료(규사, 보크사이트, 모래, 제강슬래그 등), 재귀반사성 중공체 등을 혼합하여 사용한다. 최근에는 경화, 양생시간을 줄이기 위하여, 차열안료에, 메틸메타아크릴계(MMA) 수지, 마찰재료(규사, 보크사이트, 모래, 제강슬래그 등) 및 재귀반사성 중공체 등의 기능성 첨가제를 혼합하여 사용하기도 한다.(대한민국 특허등록 제10-2335507호. 10-2231965호). Heat insulation acts as an insulator by reflecting radiant heat energy. In order to protect roads from high-temperature heat and friction, heat-insulating road paving compositions with such heat-insulation properties are used. In general, heat-insulating road paving compositions include epoxy, acrylic, or urethane-type organic solvent-based binder resins and friction materials (silica sand, bauxite, sand, steelmaking slag, etc.) to impart anti-slip properties to heat-insulating pigments. Use a mixture of retroreflective hollow bodies, etc. Recently, in order to reduce hardening and curing time, functional additives such as thermal insulation pigments, methyl methacrylic (MMA) resin, friction materials (silica sand, bauxite, sand, steelmaking slag, etc.), and retroreflective hollow bodies have been used. (Republic of Korea Patent Registration Nos. 10-2335507 and 10-2231965).
그런데 상기와 같은 종래의 차열성 도로포장용 조성물은, 도로 포장 후 계절변화로 인한 하지면(아스팔트)수축 팽창과 중,대형 차량통행이 많은 구간의 경우 아스팔트 침하, 반복된 차량의 통행 등으로 인해 크랙이 발생하게 된다. 그리고 이러한 크랙발생으로 인해 잦은 보수가 요구되고 차열성능과 미끄럼 방지 등의 도로 기능성이 떨어지게 되는 문제가 있다. However, the conventional heat-insulating road paving composition as described above cracks due to contraction and expansion of the underlying surface (asphalt) due to seasonal changes after paving the road, subsidence of asphalt in sections with heavy traffic of medium and large vehicles, and repeated passage of vehicles. This happens. Also, due to the occurrence of these cracks, frequent repairs are required and road functionality such as heat insulation performance and slip prevention is deteriorated.
본 발명에서는 시공 후 시간 경과에 따른 크랙 발생을 억제하여 차열성능과 미끄럼 방지 등의 기능성을 장시간 유지할 수 있는 기능성 도로포장용 조성물을 제공하는 것을 목적으로 한다.The purpose of the present invention is to provide a functional road pavement composition that can maintain functionality such as heat insulation performance and slip prevention for a long time by suppressing the occurrence of cracks over time after construction.
상기 목적을 달성하기 위하여, 본 발명에서는,In order to achieve the above object, in the present invention,
메틸메타크릴레이트(MMA) 수지 15~40중량%, 러버수지 5~15중량%, 유리섬유 1~10중량%, 탄산칼슘 5~15중량% 및 실리카 45~60중량%를 포함하는 기능성 도로포장용 조성물을 제공한다. For functional road pavement containing 15-40% by weight of methyl methacrylate (MMA) resin, 5-15% by weight of rubber resin, 1-10% by weight of glass fiber, 5-15% by weight of calcium carbonate, and 45-60% by weight of silica. A composition is provided.
상기 조성물은 기능성 안료, 기능성 첨가제 등을 더 포함할 수 있다. 바람직한 일 실시예에서 상기 조성물은 차열안료 1~15중량%를 더 포함한다.The composition may further include functional pigments, functional additives, etc. In a preferred embodiment, the composition further includes 1 to 15% by weight of a heat-insulating pigment.
상기 조성물에서, 상기 메틸메타크릴레이트(MMA) 수지는 메틸메타크릴레이트(MMA)의 모노머, 올리고머 및 폴리머(PMMA)를 혼합한 것임이 바람직하다. 보다 바람직하게는 상기 메틸메타크릴레이트(MMA) 수지는 메틸메타크릴레이트 모노머 15~45중량%, 메틸메타크릴레이트 올리고머 15~45중량% 및 폴리메틸메타크릴레이트 10~45중량%를 포함한다. In the composition, the methyl methacrylate (MMA) resin is preferably a mixture of monomers, oligomers, and polymers (PMMA) of methyl methacrylate (MMA). More preferably, the methyl methacrylate (MMA) resin contains 15 to 45% by weight of methyl methacrylate monomer, 15 to 45% by weight of methyl methacrylate oligomer, and 10 to 45% by weight of polymethyl methacrylate.
상기 조성물에서, 상기 고무계 수지는 스티렌 부타디엔 고무(SBR)인 것이 바람직하다.In the composition, the rubber-based resin is preferably styrene butadiene rubber (SBR).
본 발명의 기능성 도로포장용 조성물은 아스팔트 또는 콘크리트 포장도로 등에 포장 시공되어 크랙 발생을 크게 감소시킬 수 있으며 미끄럼 방지효과가 우수하다. 또한 기능성 안료나 기능성 첨가제를 포함시키면 기능성을 장시간 유지할 수 있으며, 특히 차열안료를 포함시키면 효과적으로 태양광을 차단하고 열전도율을 저하시켜 노면의 온도상승을 억제하는 우수한 차열효과를 장시간 유지할 수 있다. 본 발명의 조성물은 강도 또한 우수하며 크랙을 억제함에 따라 보수작업을 크게 줄일 수 있다. The functional road paving composition of the present invention can greatly reduce the occurrence of cracks when applied to asphalt or concrete pavements, and has an excellent anti-slip effect. In addition, the inclusion of functional pigments or functional additives can maintain functionality for a long time, and in particular, the inclusion of heat-insulating pigments can maintain an excellent heat-insulating effect for a long time, effectively blocking sunlight and lowering thermal conductivity to suppress the increase in temperature of the road surface. The composition of the present invention also has excellent strength and can greatly reduce repair work by suppressing cracks.
본 발명의 기능성 도로포장용 조성물은 메틸메타크릴레이트(MMA) 수지, 러버수지, 유리섬유, 탄산칼슘 및 실리카를 포함한다. 필요에 따라 차열안료 등이 기능성 안료나 첨가를 더 포함할 수 있다. 이하 본 발명의 기능성 도로포장용 조성물을 상세히 설명한다. The functional road pavement composition of the present invention includes methyl methacrylate (MMA) resin, rubber resin, glass fiber, calcium carbonate, and silica. If necessary, heat insulating pigments may further include functional pigments or additives. Hereinafter, the functional road paving composition of the present invention will be described in detail.
본 조성물 중에서 메틸메타크릴레이트(Methyl methacrylate, MMA) 수지는, 내구성, 내열성, 내화학성, 내마모성 및 UV 안전성이 우수하고, 내후성이 우수하여 날씨와 기후변화와 같은 외부 환경 변화에 의한 부식 등을 억제하며, 포장체로 침투하여 일체화됨으로써 부착강도 및 인성을 개선하고 안료 등에 의한 착색성을 좋게 한다. 메틸메타크릴레이트(MMA) 수지는 본 조성물 중에 15~40중량% 포함되는 것이 바람직하다. Among this composition, methyl methacrylate (MMA) resin has excellent durability, heat resistance, chemical resistance, abrasion resistance and UV safety, and has excellent weather resistance, suppressing corrosion due to external environmental changes such as weather and climate change. By penetrating into and integrating with the package, it improves adhesion strength and toughness and improves coloring properties due to pigments, etc. Methyl methacrylate (MMA) resin is preferably contained in an amount of 15 to 40% by weight in the composition.
상기 메틸메타크릴레이트(MMA) 수지는, 바람직하게는 메틸메타크릴레이트(MMA)의 중합체인 폴리메틸 메타크릴레이트(Polymethyl methacylate, PMMA)와 올리고머 및 단량체를 함께 포함한다. 올리고머는 PMMA의 중합 과정에서 얻어지는 중간체 수지로 PMMA 보다 분자량이 작으며, 도막의 경도 및 내마모성을 높이게 된다. 메틸메타크릴레이트의 단량체인 모노머는 PMMA와 비슷한 양 또는 보다 많은 양으로 수지에 포함되어 연화제로 작용한다. The methyl methacrylate (MMA) resin preferably includes polymethyl methacylate (PMMA), a polymer of methyl methacrylate (MMA), as well as oligomers and monomers. Oligomer is an intermediate resin obtained during the polymerization process of PMMA, has a lower molecular weight than PMMA, and increases the hardness and wear resistance of the coating film. Monomer, which is a monomer of methyl methacrylate, is included in the resin in a similar or greater amount than PMMA and acts as a softener.
보다 바람직하게는 메틸메타크릴레이트(MMA) 수지는, 메틸메타크릴레이트(MMA)의 모노머 15~45중량%, 올리고머 15~45중량% 및 폴리머(PMMA) 10~45중량%의 비율로 혼합하여 사용하는 것이 바람직하다. 이렇게 모노머, 올리고머 및 폴리머를 혼합하여 사용함으로써 조성물의 연화성을 증가시키고 크랙저항성을 높일 수 있다.More preferably, the methyl methacrylate (MMA) resin is mixed in a ratio of 15 to 45% by weight of monomer, 15 to 45% by weight of oligomer, and 10 to 45% by weight of polymer (PMMA) of methyl methacrylate (MMA). It is desirable to use By using a mixture of monomers, oligomers, and polymers, the softening properties of the composition can be increased and crack resistance can be improved.
본 발명에서 "러버(Rubber)수지"는 천연고무처럼 탄성이 있는 합성수지로 정의된다. 러버수지는 탄성이 우수하고 크랙저항성이 좋아 본 조성물에 탄성을 부여하고 크랙저항성을 높이게 된다. 러버수지는 본 조성물 중에 5~15중량%로 포함되는 것이 바람직하다. In the present invention, “rubber resin” is defined as a synthetic resin that is elastic like natural rubber. Rubber resin has excellent elasticity and good crack resistance, so it gives elasticity to the composition and increases crack resistance. The rubber resin is preferably contained in an amount of 5 to 15% by weight in the composition.
러버수지로는 바람직하게는 스티렌 부타디엔 고무(Styrene Butadiene Rubber, SBR)를 사용할 수 있다. 스티렌 부타디엔 고무(SBR)는 스티렌모노머와 부타디엔을 중합하여 제조하는 대표적인 합성고무로 천연고무보다 내마모성, 내노화성 및 내열성이 우수하다. As the rubber resin, styrene butadiene rubber (SBR) can be preferably used. Styrene butadiene rubber (SBR) is a representative synthetic rubber manufactured by polymerizing styrene monomer and butadiene and has superior wear resistance, aging resistance, and heat resistance than natural rubber.
차열안료는 태양광에서 전환되는 열의 대부분을 차지하는 근적외선 영역의 빛을 고반사시켜 표면온도의 상승을 막아준다. 차열안료로는 공지된 차열안료를 사용할 수 있다. 대표적인 차열안료로는 근적외선을 40% 이상 반사시키는 적외선 반사 안료가 있는데, 이러한 적외선 반사 안료의 예로는 검은색의 흑색 차열 안료(예를 들면, IR BLACK, IR WHiTE 등) 등이 있다.Heat-shielding pigments prevent an increase in surface temperature by highly reflecting light in the near-infrared region, which accounts for most of the heat converted from sunlight. As a heat-shielding pigment, a known heat-shielding pigment can be used. Representative heat-shielding pigments include infrared-reflecting pigments that reflect more than 40% of near-infrared rays. Examples of such infrared-reflecting pigments include black heat-shielding pigments (e.g., IR BLACK, IR WHiTE, etc.).
차열안료는 본 조성물 중에 1~15중량%로 포함되는 것이 바람직하다. 차열안료의 함량이 1중량% 미만인 경우에는 차열효과가 낮아지고 15중량%를 초과하는 경우에는 강도 및 내구성 등의 물성 저하를 가져올 수 있고 크랙발생이 높아지는 문제가 있다.The heat-insulating pigment is included in this composition. It is preferably contained in 1 to 15% by weight. If the content of the heat-insulating pigment is less than 1% by weight, the heat-insulating effect is lowered, and if it exceeds 15% by weight, it may result in a decrease in physical properties such as strength and durability, and there is a problem of increased crack occurrence.
유리섬유(Glass fiber)는 유리를 녹여 가늘고 길게 섬유 모양으로 만든 것이다. 본 조성물에서 유리섬유는 분산성과 열전달 저항성이 우수하고 열투과도가 낮으며, 입사한 광선을 광원으로 그대로 되돌려 보내는 재귀반사효과를 가지므로, 도로의 축열을 방지할 수 있다. 또한, 본 조성물에서 유리섬유는 크랙저항성을 향상시켜 종래 도로 시공 후 시간 경과에 따라 발생하는 크랙을 크게 억제할 수 있다. Glass fiber is made by melting glass into long, thin fibers. In this composition, the glass fiber has excellent dispersion and heat transfer resistance, low heat permeability, and has a retroreflection effect that returns incident light to the light source, thereby preventing heat accumulation on the road. In addition, the glass fiber in this composition improves crack resistance and can greatly suppress cracks that occur over time after conventional road construction.
유리섬유는 본 조성물 중에 1~10중량%로 포함되는 것이 바람직하다. 유리섬유의 함량이 1중량% 미만인 경우 크랙 개선효과가 낮고, 10중량%를 초과하는 경우 강도 및 내구성 등의 물성 저하 문제가 생길 수 있다.Glass fiber is preferably included in 1 to 10% by weight in the composition. If the glass fiber content is less than 1% by weight, the crack improvement effect is low, and if it exceeds 10% by weight, problems with deterioration of physical properties such as strength and durability may occur.
탄산칼슘은 본 조성물 중에서 건조속도 및 도막강도를 증진시키게 된다. 탄산칼슘은 본 조성물 중에 5~15중량% 포함되는 것이 바람직하다. 탄산칼슘의 함량이 5중량% 미만인 경우 조성물의 기계적 물성이 저하될 수 있고, 15중량%를 초과할 경우 기계적 물성은 우수하지만 바닥 소재면과의 부착성, 건조도막의 내마모성과 내수성이 저하될 수 있다.Calcium carbonate improves drying speed and film strength in this composition. Calcium carbonate is preferably contained in an amount of 5 to 15% by weight in the composition. If the calcium carbonate content is less than 5% by weight, the mechanical properties of the composition may deteriorate, and if it exceeds 15% by weight, the mechanical properties are excellent, but adhesion to the floor material surface, abrasion resistance of the dried coating film, and water resistance may be reduced. there is.
실리카는 골재(채움제)로 사용되어 조성물의 강도를 보강하게 된다. 실리카는 본 조성물 중에 45~60중량%로 포함되는 것이 바람직하다. 실리카의 함량이 45중량% 미만인 경우 조성물의 기계적 물성이 저하될 수 있고, 60중량%를 초과할 경우 차열효과가 저하될 수 있다.Silica is used as an aggregate (filler) to reinforce the strength of the composition. Silica is preferably contained in an amount of 45 to 60% by weight in the composition. If the silica content is less than 45% by weight, the mechanical properties of the composition may be reduced, and if it exceeds 60% by weight, the heat shielding effect may be reduced.
상기와 같이 조성된 본 발명의 기능성 도로포장용 조성물은 시공 후 시간 경과에 따른 크랙 발생을 크게 감소시키게 되므로, 차열성능, 미끄럼 방지 등의 기능성을 장시간 유지할 수 있고 보수작업 또한 크게 줄일 수 있다. The functional road pavement composition of the present invention formulated as described above significantly reduces the occurrence of cracks over time after construction, so functionality such as heat insulation performance and slip prevention can be maintained for a long time and repair work can also be greatly reduced.
이하 실시예를 통해 본 발명을 보다 상세하게 설명한다. 이들 실시예는 본 발명을 예시하는 것이므로 본 발명의 범위가 이에 한정되는 것은 아니다.The present invention will be described in more detail through examples below. These examples are illustrative of the present invention, and the scope of the present invention is not limited thereto.
<실시예 1><Example 1>
메틸메타크릴레이트(MMA)의 모노머 8kg, 올리고머 8kg 및 폴리머 4kg을 혼합한 메틸메타크릴레이트(MMA) 수지 20kg, 스티렌 부타디엔 고무 10kg, 차열안료 7kg, 유리섬유 3kg, 탄산칼슘 10kg 및 실리카 50kg을 혼합하여 차열성능이 있는 기능성 도로포장용 조성물을 제조하였다.20 kg of methyl methacrylate (MMA) resin mixed with 8 kg of monomer, 8 kg of oligomer, and 4 kg of polymer, 10 kg of styrene butadiene rubber, 7 kg of heat-insulating pigment, 3 kg of glass fiber, 10 kg of calcium carbonate, and 50 kg of silica. Thus, a functional road paving composition with heat insulation performance was prepared.
<비교예 1><Comparative Example 1>
메틸메타크릴레이트(MMA)의 모노머 8kg, 올리고머 8kg 및 폴리머 4kg을 혼합한 메틸메타크릴레이트(MMA) 수지 20kg, 차열안료 7kg, 유리섬유 3kg, 탄산칼슘 10kg 및 실리카 50kg을 혼합하여 차열성능이 있는 기능성 도로포장용 조성물을 제조하였다.8 kg of methyl methacrylate (MMA) monomer, 8 kg of oligomer, and 4 kg of polymer are mixed together to produce a heat-insulating product containing 20 kg of methyl methacrylate (MMA) resin, 7 kg of heat-insulating pigment, 3 kg of glass fiber, 10 kg of calcium carbonate, and 50 kg of silica. A functional road paving composition was prepared.
<비교예 2><Comparative Example 2>
메틸메타크릴레이트(MMA)의 모노머 8kg, 올리고머 8kg 및 폴리머 4kg을 혼합한 메틸메타크릴레이트(MMA) 수지 20kg, 차열안료 7kg, 탄산칼슘 10kg 및 실리카 50kg을 혼합하여 차열성능이 있는 기능성 도로포장용 조성물을 제조하였다.A functional road paving composition with heat-insulating performance by mixing 8 kg of methyl methacrylate (MMA) monomer, 8 kg of oligomer, and 4 kg of polymer, 20 kg of methyl methacrylate (MMA) resin, 7 kg of heat-insulating pigment, 10 kg of calcium carbonate, and 50 kg of silica. was manufactured.
<실험예><Experimental example>
1. 접착강도1. Adhesive strength
(1) 시료 준비(1) Sample preparation
공시체 (300x300x50) mm 콘크리트판 3개와 공시체 (300x300x50) mm 아스팔트판 3개를 준비하여, 실시예 1과 비교예 1, 2에 얻은 기능성 도로포장용 조성물을 각각 두께 (5±0.5) mm로 도포하고 20 ℃에서 7일 이상 양생하였다. Three concrete plates (300x300x50) mm and three asphalt plates (300x300x50) mm were prepared, and the functional road paving compositions obtained in Example 1 and Comparative Examples 1 and 2 were applied to a thickness of (5 ± 0.5) mm, respectively, and 20 Cured at ℃ for more than 7 days.
(2) 시험 방법(2) Test method
접착강도시험기를 사용하여 KS F 2386, 도로 포장체 부착면의 인장 접착 시험방법에 따라 아래와 같은 순서로 시험을 실시하였다. Using an adhesive strength tester, tests were conducted in the following order according to KS F 2386, Tensile Adhesion Test Method for Road Pavement Attachment Surface.
1) 시료에 100 mm 코아드릴로 도포층과 콘크리트의 경계면에 도달할 때까지 1개의 시료에 절단홈을 2~3개 형성한 공시체를 만든다. 1) Create a specimen with 2 to 3 cutting grooves in one sample using a 100 mm core drill until it reaches the interface between the coating layer and concrete.
2) 절단면에 이물질을 제거한 후 Epoxy 접착제 (주제와 경화제를 1:1)를 균일하게 바르고, 당김JIG를 부착시킨다. 2) After removing foreign substances from the cut surface, apply epoxy adhesive (base and hardener 1:1) evenly and attach the pulling JIG.
3) 접착제가 완전히 굳으면(24시간 경과 후) 사각 지지판을 당김 JIG 위에 놓고 지지봉, 유압실린더을 연결한다(수평 유지). 3) When the adhesive is completely hardened (after 24 hours), place the square support plate on the pull jig and connect the support rod and hydraulic cylinder (maintained horizontally).
4) 핸드펌프의 고정쇠를 풀고 유압밸브를 잠근 후 서서히 펌프를 작동시킨다. 4) Unfasten the hand pump, close the hydraulic valve, and slowly operate the pump.
5) 당김JIG가 공시체(시료)에서 분리되면 디지털 지시계에 접착강도(MPa)가 지시된다. 5) When the pulling JIG is separated from the specimen (sample), the adhesive strength (MPa) is indicated on the digital indicator.
6) 유압밸브를 열어 유압실린더의 센터홀을 내린다. 6) Open the hydraulic valve and lower the center hole of the hydraulic cylinder.
(3) 시험 결과(3) Test results
시험 결과는 아래와 같은 식으로 표시될 수 있다. The test results can be displayed in the following way.
여기에서 σs : 접착강도(MPa)Here, σ s : Adhesion strength (MPa)
P : 최대하중(N) P : Maximum load (N)
A : 접착면적(mm2) = π r2 A : Adhesion area (mm 2 ) = π r 2
결과는 아래 표 1에 나타내었다.The results are shown in Table 1 below.
2. 미끄럼 저항성2. Slip resistance
(1) 시료 준비(1) Sample preparation
공시체 (300x300x50) mm 콘크리트판 3개와 공시체 (300x300x50) mm 아스팔트판 3개를 준비하여, 실시예 1과 비교예 1, 2에 얻은 기능성 도로포장용 조성물을 각각 두께 (5±0.5) mm로 도포하고 20 ℃에서 7일 이상 양생하였다. Three concrete plates (300x300x50) mm and three asphalt plates (300x300x50) mm were prepared, and the functional road paving compositions obtained in Example 1 and Comparative Examples 1 and 2 were applied to a thickness of (5 ± 0.5) mm, respectively, and 20 Cured at ℃ for more than 7 days.
(2) 시험 방법(2) Test method
미끄럼저항시험기(Pendulum tester)를 사용하여 KS F 2375, 노면의 미끄럼 저항성 시험방법(BPT)에 따라 아래와 같은 순서로 시험을 실시하였다. Using a pendulum tester, tests were conducted in the following order according to KS F 2375, Road Surface Skid Resistance Testing Method (BPT).
1) 시료를 진자(Pendulum) 밑에 놓고 조절나사를 이용하여 -수평조정, -높이조정, -시료 제거 후 영점조정을 한다. 1) Place the sample under the pendulum and use the adjustment screw to - adjust horizontality, - adjust height, - adjust zero point after removing the sample.
2) 접지 길이의 조정: 슬라이더 이동 핸들을 조작하면서 접지 길이가 124~127mm의 사이에 있도록 조정한다. 2) Adjustment of folding length: Adjust the folding length to be between 124 and 127 mm by manipulating the slider movement handle.
3) 시료(공시체) 표면에 완전하게 충분히 물을 적신다. 처음 측정할 때에는 그 값을 기록하지 않는다. 3) Wet the surface of the sample (specimen) completely and sufficiently with water. When measuring for the first time, do not record the value.
4) 시료 표면을 습윤하게 하여, 측정값이 거의 일정할 때까지 드레그 포인트가 가르키는 수치(BPN 값: British Pendulum Number) 기록한다. 4) Wet the sample surface and record the value indicated by the drag point (BPN value: British Pendulum Number) until the measured value is almost constant.
5) 시료 표면(물)의 온도를 측정하여 미끄럼 저항값의 온도 보정을 하여 측정치를 구한다. 5) Measure the temperature of the sample surface (water) and obtain the measured value by temperature correction of the sliding resistance value.
(3) 시험 결과(3) Test results
진자암의 작동상태 및 고무 슬라이더의 최대 마모 한도를 확인한다. 측정된 결과(표점)는 아래 표 1에 나타내었다. 실시예의 BPN 측정값은 65, 68, 68 이었고, 비교예의 BPN 측정값은 72, 73, 73 이었다. Check the operating condition of the pendulum arm and the maximum wear limit of the rubber slider. The measured results (marks) are shown in Table 1 below. The measured BPN values of the examples were 65, 68, and 68, and the measured BPN values of the comparative examples were 72, 73, and 73.
3. 내충격성3. Impact resistance
(1) 시료 준비(1) Sample preparation
연강판 (150x100x1.6) mm 연강판 3개를 준비하여, 실시예 1과 비교예 1, 2에 얻은 기능성 도로포장용 조성물을 각각 두께 (5±0.5) mm로 도포하고 20 ℃ 상온에서 2시간 건조하였다. Prepare three mild steel plates (150x100x1.6) mm, apply the functional road paving composition obtained in Example 1 and Comparative Examples 1 and 2 to a thickness of (5 ± 0.5) mm, and dry for 2 hours at room temperature at 20°C. did.
(2) 시험 방법(2) Test method
Dupont type 충격(Impact Resistant)시험기를 사용하여 아래와 같은 방법으로 시험을 실시하였다.Dupont type The test was conducted using an impact resistance tester in the following manner.
1) 시험편을 건조기에서 (50±1) ℃로 2시간 건조시킨다. 1) Dry the test piece in a dryer at (50±1) ℃ for 2 hours.
2) 건조기에서 꺼내어 상온에서 1시간 방치한다. 2) Take it out of the dryer and leave it at room temperature for 1 hour.
3) 내충격시험기의 500 mm 높이에 고정핀으로 낙하 추를 고정한다. 3) Fix the dropping weight with a fixing pin at a height of 500 mm of the impact resistance tester.
- 낙하 추 : 무게 300 g, 틀의 반지름 (6.35±0.03) mm - Drop weight: weight 300 g, frame radius (6.35±0.03) mm
4) 측정 시료를 밑에 있는 충격 받침대로 고정한다. 4) Fix the measurement sample to the shock stand below.
5) 500 mm 높이에 설치된 낙하 추의 고정핀을 뽑아 추를 떨어뜨린다. 5) Pull out the fixing pin of the dropping weight installed at a height of 500 mm and drop the weight.
6) 낙하 후 1시간 뒤 시험편 도장면의 손상을 조사한다. 6) Examine damage to the painted surface of the test specimen 1 hour after dropping.
(3) 시험 결과(3) Test results
시험 결과 크랙발생이 없었다. As a result of the test, no cracks occurred.
4. 결과4. Results
위 시험에 따른 결과를 하기 결과를 하기 표 1에 나타내었다. The results according to the above test are shown in Table 1 below.
(㎟)cross-sectional area
(㎟)
(N)maximum load
(N)
(N/㎟)tensile strength
(N/㎟)
(N)yield load
(N)
(N/㎟)yield point
(N/㎟)
(mm)mark
(mm)
(mm)maximum displacement
(mm)
(%)elongation
(%)
상기 표 1의 결과에서와 같이, 본 발명의 기능성 도로포장용 조성물은 최대변위와 연신율이 비교예 1과 2의 시료에 비해 현저히 우수한 것으로 나타났다.As shown in the results in Table 1 above, the functional road pavement composition of the present invention was found to be significantly superior to the samples of Comparative Examples 1 and 2 in terms of maximum displacement and elongation.
이상에서 설명한 본 발명의 기능성 도로포장용 조성물은 예시적인 것이며, 본 발명이 속한 기술분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 잘 알 수 있을 것이다. 그러므로 본 발명은 상기 발명의 설명에서 언급하는 형태로만 한정되는 것은 아님을 잘 이해할 수 있을 것이다. 본 발명의 진정한 기술적 보호 범위는 청구범위의 기술적 사상에 의해 정해져야 할 것이고, 본 발명의 청구범위에 의해 정의되는 본 발명의 정신과 그 범위 내에 있는 모든 변형물과 균등물 및 대체물을 포함하는 것으로 이해되어야 한다. 또한, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야 한다.The functional road pavement composition of the present invention described above is exemplary, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom. Therefore, it will be well understood that the present invention is not limited to the forms mentioned in the description of the invention above. The true technical protection scope of the present invention shall be determined by the technical spirit of the claims, and is understood to include all modifications, equivalents and substitutes within the spirit and scope of the present invention defined by the claims of the present invention. It has to be. In addition, terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor appropriately defines the concept of terms in order to explain his or her invention in the best way. It should be interpreted with meaning and concept consistent with the technical idea of the present invention based on the principle that it can be done.
Claims (4)
차열안료 1~15중량%를 더 포함하는 기능성 도로포장용 조성물.According to paragraph 1,
A functional road paving composition further comprising 1 to 15% by weight of heat insulating pigment.
상기 메틸메타크릴레이트(MMA) 수지는 메틸메타크릴레이트 모노머 15~45중량%, 메틸메타크릴레이트 올리고머 15~45중량% 및 폴리메틸메타크릴레이트 10~45중량%를 포함하는 것을 특징으로 하는 기능성 도로포장용 조성물.According to claim 1 or 2,
The methyl methacrylate (MMA) resin is functional, characterized in that it contains 15 to 45% by weight of methyl methacrylate monomer, 15 to 45% by weight of methyl methacrylate oligomer, and 10 to 45% by weight of polymethyl methacrylate. Composition for road paving.
상기 고무계 수지는 스티렌 부타디엔 고무(SBR)인 것을 특징으로 하는 기능성 도로포장용 조성물.According to claim 1 or 2,
A functional road paving composition, characterized in that the rubber-based resin is styrene butadiene rubber (SBR).
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|---|---|---|---|---|
| KR101336333B1 (en) | 2013-08-16 | 2013-12-03 | (주)에스엔건설 | Reinforcing materials with glass fiber grid on non-woven sheet and reinforcing methods of pavements over unusual section (soft grounds, bridge deck pavement, concrete pavement) with preventing earlier failures, deformation and increasing the service life and durability of pavements by using reinforcing materials with glass fiber grid on non-woven sheet |
| KR102019624B1 (en) | 2019-01-17 | 2019-09-06 | 김봉갑 | road paving material composition for heat shielding and road packing method using same |
| KR20200025462A (en) | 2018-08-30 | 2020-03-10 | 강재현 | MMA type non-slip coating composition mixed with PVA fiber and Method of construction using the same |
| KR102231965B1 (en) | 2019-03-27 | 2021-03-25 | 주식회사 에이치케이씨 | Heat-resistant MMA coating flooring composition applied on the surface of a road asphalt or concrete pavement composition and its manufacturing method |
| KR102335507B1 (en) | 2021-04-19 | 2021-12-07 | (주)금와이엔씨 | Eco-friendly ultra rapid hardening type composition for road pavement having improved thermal barrier performance and road pavement construction method using the same |
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- 2022-06-14 KR KR1020220072276A patent/KR20230171747A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101336333B1 (en) | 2013-08-16 | 2013-12-03 | (주)에스엔건설 | Reinforcing materials with glass fiber grid on non-woven sheet and reinforcing methods of pavements over unusual section (soft grounds, bridge deck pavement, concrete pavement) with preventing earlier failures, deformation and increasing the service life and durability of pavements by using reinforcing materials with glass fiber grid on non-woven sheet |
| KR20200025462A (en) | 2018-08-30 | 2020-03-10 | 강재현 | MMA type non-slip coating composition mixed with PVA fiber and Method of construction using the same |
| KR102019624B1 (en) | 2019-01-17 | 2019-09-06 | 김봉갑 | road paving material composition for heat shielding and road packing method using same |
| KR102231965B1 (en) | 2019-03-27 | 2021-03-25 | 주식회사 에이치케이씨 | Heat-resistant MMA coating flooring composition applied on the surface of a road asphalt or concrete pavement composition and its manufacturing method |
| KR102335507B1 (en) | 2021-04-19 | 2021-12-07 | (주)금와이엔씨 | Eco-friendly ultra rapid hardening type composition for road pavement having improved thermal barrier performance and road pavement construction method using the same |
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