KR102289428B1 - Multi functional asphalt composition for road pavement with fine dust absorption, waterproof, snow removing and insulation effect and the asphalt road pavement construction method thereof - Google Patents
Multi functional asphalt composition for road pavement with fine dust absorption, waterproof, snow removing and insulation effect and the asphalt road pavement construction method thereof Download PDFInfo
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Abstract
Description
본 발명은 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물 및 이를 이용한 아스팔트 도로포장공법에 관한 것으로, 보다 상세하게는, 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성되는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물 이를 이용한 아스팔트 도로포장공법에 관한 것이다.The present invention relates to a multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects and an asphalt road paving method using the same, and more particularly, to a mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Multifunctional asphalt road paving material composition having fine dust adsorption, waterproofing, snow removal and heat shielding effects, including titanium dioxide (TiO 2 ); relates to an asphalt road paving method using the same.
일반적으로 도로 포장은 주로 콘크리트 포장이나 아스팔트 포장을 시행하고 있다. 그 중 콘크리트 포장은 양생 시간이 길고, 줄눈 설치 등의 공정이 매우 복잡한데 반해 중차량에 대한 적응도가 양호하며 공용수명이 길기 때문에 많이 사용된다. In general, road pavement is mainly implemented with concrete pavement or asphalt pavement. Among them, concrete pavement is widely used because it has a long curing time and a very complicated process such as joint installation, but has good adaptability to heavy vehicles and has a long service life.
그러나, 콘크리트 포장은 줄눈부의 주기적인 유지보수가 필요하고, 유지보수시간이 길며 유지보수비 또한 고가이다. 게다가 콘크리트 포장은 소음 및 줄눈으로 인한 승차감 불량 등의 문제로 인해 교통량이 많은 시가지 도로는 거의 적용되지 않으며, 콘크리트 포장을 선호하던 고속도로에서도 점차 사용량이 감소 하는 추세이다. However, the concrete pavement requires periodic maintenance of joints, the maintenance time is long, and the maintenance cost is also high. In addition, concrete pavement is rarely applied to urban roads with heavy traffic due to problems such as noise and poor ride quality due to joints, and the use of concrete pavement is gradually decreasing even on expressways where concrete pavement was preferred.
이에 비해, 아스팔트 포장은 중차량에 대한 적응도도 낮고, 소성변형, 균열, 포트홀 등이 자주 발생하여 공용수명이 비교적 짧아 잦은 보수가 이루어지고 교통소통에 지장을 초래하는 단점이 있기는 하나, 시공의 신속성과 간편성, 그리고 저렴한 유지보수로 시가지 도로 등 많은 곳에 이용되고 있다.In contrast, asphalt pavement has low adaptability to heavy vehicles, and frequent occurrence of plastic deformation, cracks, potholes, etc. It is being used in many places such as city streets due to its speed, simplicity, and low maintenance.
이러한 아스팔트 포장은 시공 시와 시공 후에 다음과 같은 원인으로 인한 문제점이 있다. 시공 시에는 아스팔트 혼합물의 포설시 온도관리 불량, 택코트 사용량 및 살포 불량, 혼합물 다짐 불량 등의 대표적인 원인으로 인하여 소성변형 발생의 문제가 있고, 시공 후에는 장기간 사용, 교통하중, 지반 거동뿐만 아니라, 결빙, 해빙 및 결빙을 없애는 염화물의 침입 등의 원인으로 인한 문제점이 있다.Such asphalt pavement has problems due to the following causes during and after construction. During construction, there is a problem of plastic deformation due to typical causes such as poor temperature management when installing asphalt mixture, poor use and spraying of tack coat, and poor compaction of the mixture. There are problems due to causes such as freezing, thawing, and intrusion of chlorides to eliminate freezing.
상기한 종래 문제점을 해결하기 위하여, 최근에는 개질된 아스팔트 포장재 조성물 및 이를 이용한 아스팔트 포장공법이 개발되었는데, 한국등록특허 10-1498661(등록일자 2015년02월26일)에 기층, 중간층, 표면층으로 구성되되, 중간층을 형성하는 불투수 아스팔트 혼합물은 폴리머 개질 아스팔트와 천연 아스팔트로 된 혼합액 5∼20중량%과 모래 및 골재, 석분의 혼합물 80∼95중량%를 온도 170℃∼220℃에서 혼합용융하여 혼합물이 이루어지는 불투수성 아스팔트 포장공법에 있어서, 상기 중간층을 형성하는 불투수 아스팔트 혼합물의 혼합액은 폴리머 개질 아스팔트 100에 대하여 천연 아스팔트를 30~75중량%로 혼합한 혼합액으로 이루어지고, 상기 혼합물은 보관온도 90~130℃에서 모래 및 골재의 혼합물이 아스팔트 플랜트에서는 45~120초 동안 혼합하여 최종 아스팔트 혼합물이 만들어진 후 포설 온도 160~220℃로 포설되며 포설된 아스팔트 압착 공극율은 0~2%로 이루어진 것을 특징으로 하는 천연 아스팔트를 이용한 불투수성 아스팔트 포장공법이 공지되어 있다.In order to solve the above conventional problems, a modified asphalt pavement composition and an asphalt pavement method using the same have recently been developed, and it is composed of a base layer, an intermediate layer, and a surface layer in Korean Patent No. 10-1498661 (registration date February 26, 2015). However, the impervious asphalt mixture forming the intermediate layer is obtained by mixing and melting 5 to 20% by weight of a mixture of polymer-modified asphalt and natural asphalt and 80 to 95% by weight of a mixture of sand, aggregate, and stone powder at a temperature of 170°C to 220°C. In this impervious asphalt paving method, the mixed solution of the impervious asphalt mixture forming the intermediate layer consists of a mixture of 30 to 75 wt % of natural asphalt with respect to the polymer-modified asphalt 100, and the mixture is stored at a storage temperature of 90 to The mixture of sand and aggregate at 130 ° C is mixed for 45 to 120 seconds in the asphalt plant to make the final asphalt mixture, and then installed at the installation temperature of 160 to 220 ° C. An impermeable asphalt paving method using natural asphalt is known.
또한, 한국공개특허 10-2017-0033591(공개일자 2017년03월27일)에는 반사균열 방지 및 방수 기능을 부여하는 도로 포장 방법으로서, 도로 포장면의 이물질을 제거하는 단계; 상기 이물질이 제거된 도로 포장면 상에 1차 택코팅을 살포하는 단계; 상기 1차 택코팅 상에 1차 보강재를 가설하는 단계; 상기 1차 보강재 상에 1차 포장 아스팔트를 20 내지 60 mm 두께로 포설하는 단계; 상기 포설된 1차 아스팔트 포장을 다짐 후 양생하는 단계; 상기 1차 포장 아스팔트 상에 2차 택코팅을 살포하는 단계; 상기 2차 택코팅 상에 2차 보강재를 가설하는 단계; 상기 2차 보강재 상에 2차 포장 아스팔트를 20 내지 60 mm 두께로 포설하는 단계; 및 상기 포설된 2차 아스팔트 포장을 다짐 후 양생하는 단계를 포함하고, 상기 1차 보강재 및 상기 2차 보강재는 복수의 홀이 형성된 보강섬유 층과; 보강섬유 층 상에 도포된 점착제에 의해 부착된 폴리에틸렌 필름 층을 포함하는, 도로 포장 방법이 공지된 바 있다.In addition, Korean Patent Application Laid-Open No. 10-2017-0033591 (published on March 27, 2017) discloses a road pavement method for preventing reflection cracks and providing a waterproof function, the method comprising: removing foreign substances from the pavement surface; spraying a primary tack coating on the pavement surface from which the foreign matter is removed; Laying a primary reinforcement on the primary tack coating; Laying the primary pavement asphalt on the primary reinforcement to a thickness of 20 to 60 mm; Curing after compacting the installed primary asphalt pavement; spraying a secondary tack coating on the primary pavement asphalt; Securing a secondary reinforcing material on the secondary tack coating; Laying the secondary pavement asphalt to a thickness of 20 to 60 mm on the secondary reinforcement; and curing the installed secondary asphalt pavement after compacting, wherein the primary reinforcing material and the secondary reinforcing material include: a reinforcing fiber layer having a plurality of holes formed therein; A road paving method is known, comprising a polyethylene film layer adhered by an adhesive applied on a reinforcing fiber layer.
또한, 한국등록특허 10-1608924(등록일자 2016년03월29일)에는 교면포장시 아스팔트 혼합물에서 사용되는 바인더로서, 상기 바인더는 주제인 비스페놀 A형 에폭시 수지 100중량부에 대해 경화제 7-9중량부, 고무인 XNBR 2-4중량부, 경화촉진제 2-4중량부, 커플링제 3-5중량부, 충전제 3-5중량부 및 용제 30-50중량부를 포함하여 조성된 것을 특징으로 하는 개질 아스팔트 바인더가 공지되어 있다.In addition, Korea Patent No. 10-1608924 (registration date March 29, 2016) describes a binder used in asphalt mixtures during bridge pavement, wherein the binder is 7-9 weights of curing agent based on 100 parts by weight of the main bisphenol A type epoxy resin. Part, modified asphalt binder comprising 2-4 parts by weight of XNBR, which is rubber, 2-4 parts by weight of a curing accelerator, 3-5 parts by weight of a coupling agent, 3-5 parts by weight of a filler, and 30-50 parts by weight of a solvent is known.
또한, 한국등록특허 10-1849311(등록일자 2018년04월10일)에 골재 90~97 중량%; 채움재 1~6 중량%; 바인더 1~7 중량%;를 포함하되, 공극율은 3.5~7% 이고, 상기 골재는 상기 골재의 중량을 기준으로, 최대입경이 10mm인 제강슬래그 0.15 중량부, 순환골재 0.15 중량부, 일반골재 0.7 중량부,를 포함하고, 합성입도는 체크기 10mm, 5mm, 2.5mm, 1.2mm, 0.6mm, 0.3mm, 0.15mm, 0.08mm일 경우, 각각 98~99.7%, 75~80%, 45~57%, 27~40%, 17~27%, 10~16%, 7~9%, 4~6%이며, 상기 채움재는 석회석분, 포틀랜드 시멘트, 소석회, 회수 더스트 중 어느 하나 또는 2 이상의 혼합물이고, 상기 바인더는 일반 아스팔트 82~90 중량%; 중온화 첨가제 0.1~9 중량%; 부식방지제 0.05~2 중량%; 및 보강제 1~17 중량%;를 포함하되, 상기 중온화 첨가제는 왁스성분 첨가제와 폴리에테르아민 성분 첨가제가 1:0.2~1:1의 중량비로 혼합된 것으로서, 상기 왁스성분 첨가제는 용융점이 60℃ 이상인 폴리에틸렌 왁스 또는 피셔-트롭쉬(fischer-Tropsh) 공정에 의해 합성된 합성 왁스 중 어느 하나이고, 상기 폴리에테르아민 성분은 800 이상의 분자량을 가지며, 상기 폴리에테르아민 성분은 에틸렌 옥사이드 및 프로필렌 옥사이드에 의해 형성된 에테르 작용기를 포함하고, 상기 부식방지제는 폐놀계 부식방지제, 아민계 부식 방지제 또는 유황계 부식방지제 중 어느 하나 이며, 상기 보강제는 감압증류공정의 부산물이고, 상기 감압증류공정의 부산물은 감압증류공정의 중간 단에서 생산되는 방향족 함량 이 50% 이상인 탄화수소 화합물로서, 상기 감압증류공정의 부산물은 ASTM D93에 의한 인화점이 230℃ 이상이고, ASTM D2171에 의한 점도(60℃)가 1,000 센티포아즈(cP) 이하인 것을 특징으로 하는 아스팔트 조성물이 공지된 바 있다.In addition, 90 to 97 wt% of aggregate in Korean Patent Registration No. 10-1849311 (registration date April 10, 2018); 1 to 6% by weight of the filler; Binder 1-7% by weight; including, but the porosity is 3.5-7%, the aggregate is 0.15 parts by weight of steelmaking slag having a maximum particle diameter of 10mm based on the weight of the aggregate, 0.15 parts by weight of recycled aggregate, 0.7 parts by weight of general aggregate Including parts by weight, the composite particle size is 98~99.7%, 75~80%, 45~57%, respectively, when the checker is 10mm, 5mm, 2.5mm, 1.2mm, 0.6mm, 0.3mm, 0.15mm, and 0.08mm , 27-40%, 17-27%, 10-16%, 7-9%, 4-6%, the filling material is any one or a mixture of two or more of limestone powder, Portland cement, slaked lime, and recovered dust, the The binder is 82-90% by weight of general asphalt; 0.1 to 9% by weight of a mesophilic additive; 0.05-2 wt% of a corrosion inhibitor; and 1 to 17% by weight of a reinforcing agent, wherein the neutralizing additive is a mixture of a wax component additive and a polyetheramine component additive in a weight ratio of 1:0.2 to 1:1, and the wax component additive has a melting point of 60° C. Any one of polyethylene wax or synthetic wax synthesized by the fischer-Tropsh process, the polyetheramine component has a molecular weight of 800 or more, and the polyetheramine component is ethylene oxide and propylene oxide contains an ether functional group formed, wherein the corrosion inhibitor is any one of a phenol-based corrosion inhibitor, an amine-based corrosion inhibitor, or a sulfur-based corrosion inhibitor, the reinforcing agent is a by-product of the reduced pressure distillation process, and the by-product of the reduced pressure distillation process is a reduced pressure distillation process As a hydrocarbon compound having an aromatic content of 50% or more produced in the middle stage of ) Asphalt compositions are known, characterized in that the following.
또한, 한국공개특허 10-2019-0026326(공개일자 2019년03월13일)에는 시공면 바닥층을 정리하는 단계; 균열억제 및 자착 기능을 갖는 다층구조의 섬유보강매트에서 이형필름층을 벗겨내면서 균열억제 및 자착 기능을 갖는 다층구조의 섬유보강매트의 CR 고무 개질아스팔트층을 시공면 바닥층에 접착하는 단계; 접착된 균열억제 및 자착 기능을 갖는 다층구조의 섬유보강매트 위에 표층 포장재로서 반사균열 억제형 저소음 고내구성 아스팔트 혼합물을 시공하는 단계;를 포함하되, 상기 균열억제 및 자착 기능을 갖는 다층구조의 섬유보강매트는 이형필름층; 상기 이형필름층 상에 형성되며, 스트레이트 아스팔트 92~96중량%, CR 고무(Chloroprene Rubber) 4~8중량%를 혼합, 교반하여 얻은 CR 고무 개질 아스팔트층; 상기 CR 고무 개질아스팔트층 위에 형성되며, 스트레이트 아스팔트 92~96중량%, SBS(styrene- butadiene-styrene) 또는 EPDM(ethylene propylene diene monomer) 중 1종 이상 4~8중량%를 혼합, 교반하여 얻은 합성고무 개질아스팔트층; 상기 합성고무 개질아스팔트층 위에 형성되며, 유리섬유를 합성고무 개질아스팔트에 함침하여 생성되는 섬유 보강재층; 및 상기 섬유 보강재층 위에 형성되는 규사층;으로 이루어지며, 바닥층과 표층 포장재 사이에 열을 가하지 않고 시공하는 것을 특징으로 하며, 상기 반사균열 억제형 저소음 고내구성 아스팔트 혼합물은 아스팔트 바인더 5~8중량%; 골재 77~92중량%; 및 채움재 3~15중량%;를 포함하되, 상기 아스팔트 바인더는 멜트 플로우 값이 15g/10분 미만 비닐 방향족 탄화수소·공액디엔 블록공중합체 100중량부에 대하여 점착성 부여 수지 0.1~100중량부, 방향족 성분 함유량이 20~60중량%이고, 40℃ 동점도가 70~900㎟/s인 프로세스 오일 5~100중 량부를 함유하고, 상기 성분들의 합계 100중량부에 대하여 0.1~40중량부의 고무를 더 포함하는 아스팔트 개질재 5~15중량%; 나프텐계 프로세스 오일 50~80중량%; 식물성 오일 5~20중량%; 광물성 섬유 5~20중량%; 유기 가황촉진제 0.1~0.5중량%;로 구성되는 분사균열 억제형 저소음 고내구성 아스팔트 첨가재 2~6중량%; 및 스트레이트 아스팔트, 스트레이트 아스팔트에 멜트플로우 값이 15g/10분 미만 비닐 방향족 탄화수소·공액디엔 블록공중합체 100중량부에 대하여 점착성 부여 수지 0.1~100중량부, 방향족 성분 함유량이 20~60중량%이고, 40 ℃ 동점도가 70~900㎟/s인 프로세스 오일 5~100중량부를 함유하고, 상기 성분들의 합계 100중량부에 대하여 0.1~40중량부의 고무를 더 포함하는 아스팔트 개질재를 첨가하는 개질아스팔트, SBS 개질아스팔트 중 선택된 1 종의 아스팔트 94~98중량%;를 함유하는 반사균열 억제형 저소음 고내구성 아스팔트 바인더임을 특징으로 하는, 반사균열을 방지하고 바닥층으로의 수분 침투를 방지하는 도로포장방법이 공지되어 있다.In addition, Korean Patent Laid-Open Publication No. 10-2019-0026326 (published on March 13, 2019) discloses the steps of arranging the floor layer of the construction surface; Peeling off the release film layer from the multi-layered fiber-reinforced mat having a crack-inhibiting and self-adhesive function, and bonding the CR rubber-modified asphalt layer of the multi-layered fiber-reinforced mat having a crack suppressing and self-adhesive function to the bottom layer of the construction surface; Constructing a reflective crack-inhibiting low-noise and high-durability asphalt mixture as a surface layer packaging material on a multi-layered fiber-reinforced mat having an adhered crack suppression and self-adhesion function; The mat is a release film layer; CR rubber-modified asphalt layer formed on the release film layer and obtained by mixing and stirring 92 to 96% by weight of straight asphalt and 4 to 8% by weight of CR rubber (Chloroprene Rubber); Formed on the CR rubber-modified asphalt layer, straight asphalt 92~96 wt%, SBS (styrene- butadiene-styrene), or EPDM (ethylene propylene diene monomer) at least 4~8 wt% of at least one type of synthetic obtained by mixing and stirring rubber-modified asphalt layer; a fiber reinforcement layer formed on the synthetic rubber-modified asphalt layer and produced by impregnating glass fibers into the synthetic rubber-modified asphalt; and a silica sand layer formed on the fiber reinforcement layer, characterized in that it is constructed without applying heat between the bottom layer and the surface layer pavement, and the reflection crack suppression type low noise high durability asphalt mixture is 5 to 8 wt% of an asphalt binder ; 77-92% by weight of aggregate; And 3 to 15% by weight of the filler; including, wherein the asphalt binder has a melt flow value of less than 15 g/10 min. 0.1 to 100 parts by weight of a tackifying resin based on 100 parts by weight of a vinyl aromatic hydrocarbon/conjugated diene block copolymer, an aromatic component The content is 20 to 60% by weight, and contains 5 to 100 parts by weight of a process oil having a 40 ° C. kinematic viscosity of 70 to 900 mm / s, and further comprising 0.1 to 40 parts by weight of rubber with respect to 100 parts by weight of the total of the components Asphalt modifier 5-15 wt%; 50-80% by weight of naphthenic process oil; 5-20% by weight of vegetable oil; 5-20% by weight of mineral fiber; Organic vulcanization accelerator 0.1 ~ 0.5% by weight; Injection crack suppression type low noise and high durability asphalt additive consisting of 2 ~ 6% by weight; And straight asphalt, a melt flow value of less than 15 g/10 min in straight asphalt 0.1 to 100 parts by weight of a tackifying resin with respect to 100 parts by weight of a vinyl aromatic hydrocarbon/conjugated diene block copolymer, and an aromatic component content of 20 to 60% by weight, Reformed asphalt containing 5 to 100 parts by weight of process oil having a kinematic viscosity of 70 to 900 mm 2 /s at 40 ° C., and adding an asphalt modifier further comprising 0.1 to 40 parts by weight of rubber based on 100 parts by weight of the total of the above components, SBS A road paving method that prevents reflection cracks and prevents moisture penetration into the floor layer is known, characterized in that it is a reflection crack suppression type low noise and high durability asphalt binder containing 94 to 98 wt% of one selected asphalt among the modified asphalt. there is.
또한, 한국등록특허 10-1933070(등록일자 2018년12월20일)에는 유화 아스팔트 40중량%, 컷백 아스팔트 60중량%의 중량비로 혼합된 혼합 아스팔트로 이루어진 제1아스팔트층; 아스콘 45중량% ~ 60중량%, 석회암 21중량% ~ 30중량%, 벤토나이트 17중량% ∼ 20중량%, 수산화칼슘 2중량% ~ 5 중량%로 혼합된 제2아스팔트층; 및 길소나이트 40 ~60 중량%, 반경질 우레탄 수지 15중량% ~ 30중량%, 이산화규소 10중량% ~ 20중량%, 세라믹 분말 5중량% ~ 10중량%로 혼합된 제3아스팔트층;으로 구성되며, 상기 제1아스팔트층은 총 중량에 있어서 상기 혼합 아스팔트 70 내지 90 중량%, 우레탄칩 10 ~ 30 중량%의 비율 로 혼합되는 것을 특징으로 하는 투수성 아스팔트 콘크리트 포장재 조성물이 공지되어 있다.In addition, Korean Patent No. 10-1933070 (registration date December 20, 2018) discloses a first asphalt layer composed of mixed asphalt mixed in a weight ratio of 40% by weight of emulsified asphalt and 60% by weight of cutback asphalt; Ascon 45% to 60% by weight, limestone 21% to 30% by weight, bentonite 17% to 20% by weight, calcium hydroxide 2% to 5% by weight of the second asphalt layer mixed; and a third asphalt layer mixed with 40 to 60% by weight of gilsonite, 15% to 30% by weight of semi-rigid urethane resin, 10% to 20% by weight of silicon dioxide, and 5% to 10% by weight of ceramic powder; A water-permeable asphalt concrete pavement composition is known, characterized in that the first asphalt layer is mixed in a ratio of 70 to 90% by weight of the mixed asphalt and 10 to 30% by weight of the urethane chip based on the total weight.
그러나, 상기 개질아스팔트 포장재 조성물 득허기술들은 유기용제 또는 개질제로서 페놀성분, 방향족 성분, 고무 성분들을 함유하여 시공시 인체에 유해한 문제점들이 있었을 뿐만 아니라, 종래 아스팔트 포장재의 고질적인 문제점인 수분침투 균열, 여름철 열섬효과를 방지할 수 있는 차열성능이 미흡하였고, 겨울철 제설효과가 미흡한 문제점이 있었으며, 특히, 도로교통에서 발생하는 미세먼지를 저감할 수 있는 기능이 전혀 없어 최근에 미세먼지발생문제를 더욱 가중시키는 문제점이 있었다.However, the above-mentioned modified asphalt pavement composition obtaining techniques contain phenol component, aromatic component, and rubber component as an organic solvent or modifier, and have problems harmful to the human body during construction. The heat-shielding performance to prevent the heat island effect was insufficient, and there was a problem that the snow removal effect in winter was insufficient. There was a problem.
본 발명은 상기 문제점을 해결하기 위해, 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성되는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물 이를 이용한 아스팔트 도로포장공법을 제공하는 것을 해결하고자 하는 과제로 한다.In order to solve the above problems, the present invention provides mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Multifunctional asphalt road paving material composition having fine dust absorption, waterproofing, snow removal and heat shielding effects, including titanium dioxide (TiO 2 ); to provide an asphalt road paving method using the same.
본 발명은 상기 과제를 해결하기 위하여, 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성되는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 과제의 해결수단으로 한다,The present invention, in order to solve the above problems, mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Titanium dioxide (TiO 2 ); A multifunctional asphalt road paving material composition having fine dust adsorption, waterproofing, snow removal and heat shielding effects, including; as a means of solving the problem,
상기 반응성 유화제는 음이온계 반응성 유화제인 소듐도데실벤젠설포네이트(Sodium dodecylbenzene sulfonate ; SDBS), 소듐폴리옥시에틸렌알킬페닐에테르설페이트(Sodium polyoxyethylene alkyl phenyl ether sulfate ; SPAS), 비이온계 반응성 유화제인 폴리옥시에틸렌노닐페닐에테르(Polyoxyethylene nonylphenyl ether ; POENPE)로 선택되는 어느 하나인 것을 과제의 해결수단으로 한다,The reactive emulsifier is an anionic reactive emulsifier sodium dodecylbenzene sulfonate (SDBS), sodium polyoxyethylene alkyl phenyl ether sulfate (SPAS), a nonionic reactive emulsifier polyoxy Ethylene nonylphenyl ether (Polyoxyethylene nonylphenyl ether; POENPE) is selected as a means of solving the problem,
상기 중합촉진제는 디메틸아닐린(dimethyl aniline)인 것을 과제의 해결수단으로 한다,The polymerization accelerator is dimethyl aniline as a means of solving the problem,
상기 혼합골재는 상기 천연골재 및 제강슬래그를 각각 동일 중량비로 혼합하여 조성하는 것을 과제의 해결수단으로 한다,As a means of solving the problem, the mixed aggregate is prepared by mixing the natural aggregate and the steelmaking slag in the same weight ratio, respectively.
상기 채움재는 시멘트, 석분, 탄산칼슘, 플라이애쉬를 각각 동일 중량비로 혼합하여 조성하는 것을 과제의 해결수단으로 한다,The filling material is to be formulated by mixing cement, stone powder, calcium carbonate, and fly ash in the same weight ratio, respectively, as a means of solving the problem,
상기 개질아스팔트바인더에는 유동성을 증가시키기 위해 분자 속에 한 개 이상의 극성 그룹을 가지고 있는 카르복실계(carboxylates) 유동화제, 폴리카본산계 유동화제 또는 멜라민계 유동화제에서 선택되는 유동화제를 더 포함하는 것을 과제의 해결수단으로 한다,The modified asphalt binder further comprises a glidant selected from carboxylate glidants, polycarboxylic acid glidants or melamine glidants having one or more polar groups in the molecule to increase fluidity as a solution to
상기 유동화제는 리그노술폰산염, 하이드록시폴리카르본산, 나프탈렌포름알데하이드술폰산염 및 멜라민포름알데하이드술폰산염으로 구성된 그룹에서 선택되는 것을 과제의 해결수단으로 한다,The fluidizing agent is selected from the group consisting of lignosulfonate, hydroxypolycarboxylic acid, naphthaleneformaldehydesulfonate and melamineformaldehydesulfonate as a means of solving the problem.
상기 개질아스팔트바인더에는 에피크로히드린(epichlorohydrine) 및 비스폐놀A(bisphenol-A)에폭시수지를 1 : 1 중량비로 포함하는 주제와 폴리아마이드 경화제를 혼합한 에폭시수지 조성물을 보강제로 더 포함하는 것을 과제의 해결수단으로 한다,In the modified asphalt binder, epichlorohydrine and bisphenol-A epoxy resin in a 1:1 weight ratio are mixed with a main agent and a polyamide curing agent to further include an epoxy resin composition as a reinforcing agent. as a solution to
상기 에폭시수지 조성물은 상기 다기능 아스팔트 도로포장재 조성물의 접착, 방수, 균열방지, 내마모성, 내후성, 내후성 보강을 위해 사용되는 것을 과제의 해결수단으로 한다,The epoxy resin composition is used for reinforcing adhesion, waterproofing, crack prevention, abrasion resistance, weather resistance, and weather resistance of the multifunctional asphalt road paving material composition as a means of solving the problem,
또한, 본 발명은 하부로부터 노면, 보조기층, 기층, 중간층, 표층순으로 적층하여 아스팔트 포장을 시공하되, 상기 표층은, 상기 미세먼지흡착, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 가열, 혼합하면서 포설하여 시공하는 아스팔트 도로포장공법을 과제의 해결수단으로 한다,In addition, the present invention constructs asphalt pavement by laminating the road surface, auxiliary base layer, base layer, middle layer, and surface layer from the bottom in order, wherein the surface layer is a multifunctional asphalt road paving material composition having the effect of adsorption of fine dust, snow removal and heat shielding, The asphalt road pavement method, which is installed and constructed while mixing, is used as a solution to the problem.
본 발명의 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물 및 이를 이용한 아스팔트 도로포장공법은 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성되고, 선택적으로 접착, 방수, 균열방지, 내마모성, 내후성, 내후성 보강을 위해 에폭시수지 조성물을 사용함으로써, 미세먼지흡착, 방수, 제설 및 차열효과를 가짐과 동시에 균열방지 및 내마모성 등의 도로포장의 물성을 향상시키는 우수한 효과가 있다.The multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects of the present invention and the asphalt road paving method using the same include mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; It is composed of titanium dioxide (TiO 2 ); and selectively uses an epoxy resin composition for adhesion, waterproofing, crack prevention, abrasion resistance, weather resistance, and weather resistance reinforcement, thereby adsorbing fine dust, waterproofing, snow removal and heat shielding effect. At the same time, there is an excellent effect of improving the physical properties of the road pavement such as crack prevention and abrasion resistance.
도 1은 본 발명의 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 이용한 아스팔트 도로포장의 구조를 나타낸 단면도
도 2는 본 발명의 아스팔트 도로포장재 제설성능비교를 나타내는 사진1 is a cross-sectional view showing the structure of an asphalt road pavement using a multifunctional asphalt road paving material composition having fine dust absorption, waterproofing, snow removal and heat shielding effects of the present invention;
Figure 2 is a photograph showing a comparison of the performance of the asphalt road pavement snow removal of the present invention;
본 발명은, 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성되는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 기술구성의 특징으로 한다,The present invention, and mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Titanium dioxide (TiO 2 ); features a multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects, including the technical composition,
상기 반응성 유화제는 음이온계 반응성 유화제인 소듐도데실벤젠설포네이트(Sodium dodecylbenzene sulfonate ; SDBS), 소듐폴리옥시에틸렌알킬페닐에테르설페이트(Sodium polyoxyethylene alkyl phenyl ether sulfate ; SPAS), 비이온계 반응성 유화제인 폴리옥시에틸렌노닐페닐에테르(Polyoxyethylene nonylphenyl ether ; POENPE)로 선택되는 어느 하나인 것을 기술구성의 특징으로 한다,The reactive emulsifier is an anionic reactive emulsifier sodium dodecylbenzene sulfonate (SDBS), sodium polyoxyethylene alkyl phenyl ether sulfate (SPAS), a nonionic reactive emulsifier polyoxy Ethylene nonylphenyl ether (Polyoxyethylene nonylphenyl ether; POENPE) is characterized in that any one selected from the technical configuration,
상기 중합촉진제는 디메틸아닐린(dimethyl aniline)인 것을 기술구성의 특징으로 한다,The polymerization accelerator is characterized in that the technical composition is dimethyl aniline (dimethyl aniline),
상기 혼합골재는 상기 천연골재 및 제강슬래그를 각각 동일 중량비로 혼합하여 조성하는 것을 기술구성의 특징으로 한다,The mixed aggregate is characterized in the technical configuration by mixing the natural aggregate and the steelmaking slag in the same weight ratio, respectively,
상기 채움재는 시멘트, 석분, 탄산칼슘, 플라이애쉬를 각각 동일 중량비로 혼합하여 조성하는 것을 기술구성의 특징으로 한다,The filling material is characterized in that it is composed by mixing cement, stone powder, calcium carbonate, and fly ash in the same weight ratio, respectively, in the technical configuration.
상기 개질아스팔트바인더에는 유동성을 증가시키기 위해 분자 속에 한 개 이상의 극성 그룹을 가지고 있는 카르복실계(carboxylates) 유동화제, 폴리카본산계 유동화제 또는 멜라민계 유동화제에서 선택되는 유동화제를 더 포함하는 것을 기술구성의 특징으로 한다,It is described that the modified asphalt binder further comprises a glidant selected from a carboxylate glidant having one or more polar groups in the molecule, a polycarboxylic glidant, or a melamine-based glidant to increase fluidity. characterized by the composition,
상기 유동화제는 리그노술폰산염, 하이드록시폴리카르본산, 나프탈렌포름알데하이드술폰산염 및 멜라민포름알데하이드술폰산염으로 구성된 그룹에서 선택되는 것을 기술구성의 특징으로 한다,The fluidizing agent is characterized in that it is selected from the group consisting of lignosulfonate, hydroxypolycarboxylic acid, naphthaleneformaldehyde sulfonate and melamineformaldehyde sulfonate.
상기 개질아스팔트바인더에는 에피크로히드린(epichlorohydrine) 및 비스폐놀A(bisphenol-A)에폭시수지를 1 : 1 중량비로 포함하는 주제와 폴리아마이드 경화제를 혼합한 에폭시수지 조성물을 보강제로 더 포함하는 것을 기술구성의 특징으로 한다,Described that the modified asphalt binder further includes an epoxy resin composition in which a main agent containing epichlorohydrine and bisphenol-A epoxy resin in a 1: 1 weight ratio and a polyamide curing agent are mixed as a reinforcing agent characterized by the composition,
상기 에폭시수지 조성물은 상기 다기능 아스팔트 도로포장재 조성물의 접착, 방수, 균열방지, 내마모성, 내후성, 내후성 보강을 위해 사용되는 것을 기술구성의 특징으로 한다,The epoxy resin composition is characterized in that it is used for adhesion, waterproofing, crack prevention, abrasion resistance, weather resistance, and weather resistance reinforcement of the multifunctional asphalt road paving material composition,
또한, 본 발명은 하부로부터 노면, 보조기층, 기층, 중간층, 표층순으로 적층하여 아스팔트 포장을 시공하되, 상기 표층은, 상기 미세먼지흡착, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 가열, 혼합하면서 포설하여 시공하는 아스팔트 도로포장공법을 기술구성의 특징으로 한다,In addition, the present invention constructs asphalt pavement by laminating the road surface, auxiliary base layer, base layer, middle layer, and surface layer from the bottom in order, wherein the surface layer is a multifunctional asphalt road paving material composition having the effect of adsorption of fine dust, snow removal and heat shielding, Asphalt road paving method, which is installed and constructed while mixing, is a characteristic of the technical composition.
이하에서는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예 및/또는 도면을 통하여 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며, 여기에서 설명하는 실시예 및/또는 도면에 한정되지 않는다.Hereinafter, embodiments and/or drawings of the present invention will be described in detail so that those of ordinary skill in the art can easily carry out the present invention. However, the present invention may be embodied in many different forms, and is not limited to the embodiments and/or drawings described herein.
본 발명의 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물은, 유화 아스팔트 및 컷백 아스팔트를 혼합한 혼합아스팔트와; MMA(메틸메타아크릴레이트)수지 및 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 배합하여 조성되는 개질아스팔트바인더와; 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그를 포함하는 혼합골재와; 시멘트, 석분, 탄산칼슘, 플라이애쉬로부터 선택되는 1종 이상의 채움재와; 1-10um의 입자크기를 가지는 실리카분말과; 이산화티탄(TiO2);를 포함하여 조성된다.The multifunctional asphalt road pavement composition having fine dust adsorption, waterproofing, snow removal and heat shielding effects of the present invention comprises: mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12 mm; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Titanium dioxide (TiO 2 );
이때, 상기 혼합아스팔트는 유화 아스팔트 40중량%, 컷백 아스팔트 60중량%의 비율로 혼합될 수 있으며, 유화 아스팔트가 40중량%를 초과하여 혼합되는 경우, 악취가 발생할 수 있으며, 컷백 아스팔트가 60중량% 보다 미만으로 형성되는 경우에는, 아스팔트의 경화율이 떨어지게 되어 시공성을 저하시키게 된다.At this time, the mixed asphalt may be mixed in a ratio of 40% by weight of emulsified asphalt and 60% by weight of cutback asphalt, and when the emulsified asphalt is mixed in excess of 40% by weight, odor may occur, and cutback asphalt is 60% by weight When it is formed to be less than that, the hardening rate of the asphalt is lowered to deteriorate the workability.
한편, 본 발명의 개질아스팔트바인더로 사용되는 메틸메타아크릴레이트(methylmethacrylate; MMA) 수지는 무색 투명한 액체로 C4 유분을 원료로 하여 제조된 터트-부틸 알코올(Tert-Butyl Alcohol; TBA)을 기체상태에서 산화시켜 메타아크릴산을 제조한 후, 메탄올로 에스테르화하여 제조한 것으로서, 즉, 아크릴산과 미타아크릴산 에스테르의 중합반응공정을 거쳐 이중 탄소결합을 갖도록 만든 반응형 수지이며, CH2=C(CH3)CO2CH3의 화학식을 갖는다. On the other hand, the methylmethacrylate (MMA) resin used as the modified asphalt binder of the present invention is a colorless and transparent liquid that is prepared by using C4 oil as a raw material and is prepared by using Tert-Butyl Alcohol (TBA) in a gaseous state. It is a reactive resin prepared by oxidizing methacrylic acid to produce methacrylic acid and then esterifying with methanol, that is, a reactive resin made to have double carbon bonds through a polymerization reaction process of acrylic acid and mithaacrylic acid ester, CH2=C(CH3)CO2CH3 has a chemical formula
이러한, 메틸메타아크릴레이트(MMA) 수지는 경질 타입이면서 유연성이 있고, 저온에서 라디칼 중합하면 고분자 사슬구조가 연속된 규칙성을 나타내는 신디오탁틱(Syndiotactic) 구조의 비율이 증가하는 특성을 나타내므로 내구성, 내열성, 내화학성, 내마모성, UV안전성 등 물성이 뛰어나며, 햇빛 등의 날씨 및 기후에 견디는 성질인 내후성이 우수하여 외부 환경 변화(날씨 및 기후 변화)에 의한 부식 등을 억제함과 동시에 콘크리트 구조체로 침투하여 일체화 시켜줌으로써 부착강도 및 인성을 개선하고, 안료 등에 의한 착색성이 좋은 특성이 있으며, 높은 열팽창 계수를 갖지만, 안정성이 매우 높은 수지이므로 투명성, 내후성, 착색성이 우수하여 많은 분야에서 사용되고 있다. This methyl methacrylate (MMA) resin is a hard type and flexible, and when radical polymerization at low temperature, the ratio of the syndiotactic structure showing continuous regularity of the polymer chain structure is increased, so it is durable. It has excellent physical properties such as heat resistance, chemical resistance, abrasion resistance, UV safety, etc. By penetrating and integrating, it improves adhesion strength and toughness, has good colorability by pigments, etc., has a high coefficient of thermal expansion, but is a highly stable resin, so it is used in many fields because of its excellent transparency, weather resistance, and colorability.
그러나, 메틸메타아크릴레이트(MMA) 수지는 수지량의 2~5% 정도 소량의 경화제를 첨가하면 경화를 시작하는데, 경화 개시 후 1시간 이내에 완전히 경화가 완료되는 초속경성 수지이고, 통상 작업 가능시간은 20분 내외로서 작업성이 우수하여 넓은 면적에 포설 및 마무리를 수행할 수 있으며, 이러한 MMA수지를 도포재 조성물로 사용하는 경우에는 경화 후 그 강도가 대단히 우수하나 내균열성 및 휨추종성이 부족할 뿐만 아니라 바탕체와의 열팽창 특성이 상이함으로 인해, 실내가 아닌 야외에서 사용할 경우 균열이 발생하기 쉽다는 문제점이 있었다.However, methyl methacrylate (MMA) resin starts curing when a small amount of curing agent is added about 2 to 5% of the resin amount. It takes about 20 minutes and has excellent workability, so it can be installed and finished over a wide area. In addition, due to the different thermal expansion characteristics with the substrate, there was a problem that cracks easily occur when used outdoors instead of indoors.
본 발명에서는 상기 메틸메타아크릴레이트(MMA) 수지의 단점을 보완하기 위하여 상기 메틸메타크릴레이트(MMA)와 수성폴리우레탄수지를 반응성 유화제 및 중합촉진제와 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지를 혼합하여 개질아스팔트바인더를 구성하였다.In the present invention, in order to compensate for the disadvantages of the methyl methacrylate (MMA) resin, EVA (ethylene vinyl acetate) is added to a polymerization composition obtained by emulsion polymerization of the methyl methacrylate (MMA) and an aqueous polyurethane resin together with a reactive emulsifier and a polymerization accelerator. ) was mixed with the resin to construct a modified asphalt binder.
상기 수성폴리우레탄(PU)수지는 -NCO기(Isocyanate Group)를 가진 성분과 -OH기(Hydroxy Group)를 가진 성분이 반응하여 화학적으로 고분자 사슬 내에 우레탄 결합(∼NH-COO∼)을 갖는 고분자의 총칭으로 2가 이상의 이소시아네이트(Isocynete)와 폴리올(Polyol) 등 활성수소 화합물과의 결합에 의해 합성되는 고분자이다. The water-based polyurethane (PU) resin is a polymer having a urethane bond (~NH-COO~) in the polymer chain by chemically reacting a component having an -NCO group (Isocyanate group) and a component having an -OH group (Hydroxy group) It is a polymer synthesized by bonding with an active hydrogen compound such as isocyanate (Isocynete) and polyol (polyol) having a divalent or higher value.
이와 같은 폴리우레탄은 사용되는 이소시아네이트와 폴리올의 선택범위가 넓어 연질에서 경질까지, 엘라스토머에서 폼까지 다양한 제품설계가 가능하고 인장강도, 인열강도, 신율, 내마모성 등의 기계적 강도가 우수하고 가공성이 좋아 의류용, 신발용, 산업용 바퀴를 비롯하여 건축용도로서 옥상방수재, 실내체육관 바닥재, 육상트랙, 접착제 등으로 사용된다. 특히, 폴리우레탄수지는 이소시아네이트기(Isocynete group)의 높은 극성과 반응특성에 따른 강력한 접착력 때문에 플라스틱, 피혁, 금속, 목재 등에 접착제로서 널리 이용되고 있으며, 본 발명에서도 기계적 강도와 탄성을 나타내도록 사용된다.Such polyurethane has a wide selection range of isocyanates and polyols to be used, so it is possible to design a variety of products from soft to hard, elastomers to foams. It is used as roof waterproofing material, indoor gymnasium flooring material, land track, adhesive, etc. In particular, polyurethane resin is widely used as an adhesive for plastics, leather, metal, wood, etc. because of the high polarity of the isocyanate group and strong adhesion according to the reaction characteristics, and is used to show mechanical strength and elasticity in the present invention. .
즉, 상기 메틸메타크릴레이트(MMA)와 수성폴리우레탄수지를 유화중합함으로써 강도 및 탄성이 우수하고, 내구성, 내마모성 등의 물성이 탁월하며, MMA수지에 비해 신장률이 5배 이상 우수하고 내균열성에서 매우 우수한 개질아스팔트바인더를 얻을 수 있다.That is, by emulsion polymerization of the methyl methacrylate (MMA) and water-based polyurethane resin, it has excellent strength and elasticity, and excellent physical properties such as durability and abrasion resistance. A very good modified asphalt binder can be obtained from
뿐만 아니라, EVA(에틸렌비닐아세테이트)수지는 상기 메틸메타크릴레이트(MMA)와 함께 사용하게 되면 계면 부착력, 강도보강, 탄성 및 기밀성능을 향상시킬 수 있다.In addition, when EVA (ethylene vinyl acetate) resin is used together with the methyl methacrylate (MMA), interfacial adhesion, strength reinforcement, elasticity and airtight performance can be improved.
한편, 상기 반응성 유화제는 음이온계 반응성 유화제인 소듐도데실벤젠설포네이트(Sodium dodecylbenzene sulfonate ; SDBS), 소듐폴리옥시에틸렌알킬페닐에테르설페이트(Sodium polyoxyethylene alkyl phenyl ether sulfate ; SPAS), 비이온계 반응성 유화제인 폴리옥시에틸렌노닐페닐에테르(Polyoxyethylene nonylphenyl ether ; POENPE)로 선택되는 어느 하나인 것을 사용하는 것이 바람직하다.On the other hand, the reactive emulsifier is an anionic reactive emulsifier sodium dodecylbenzene sulfonate (SDBS), sodium polyoxyethylene alkyl phenyl ether sulfate (SPAS), a nonionic reactive emulsifier It is preferable to use any one selected from polyoxyethylene nonylphenyl ether (POENPE).
또한, 상기 중합촉진제는 디메틸아닐린(dimethyl aniline)인 것을 사용하는 것이 바람직하다.In addition, it is preferable to use the polymerization accelerator is dimethyl aniline (dimethyl aniline).
또한, 상기 혼합골재는 상기 천연골재 및 제강슬래그를 각각 동일 중량비로 혼합하여 조성하는 것이 바람직하다.In addition, the mixed aggregate is preferably prepared by mixing the natural aggregate and the steelmaking slag in the same weight ratio, respectively.
이때, 상기 제강슬래그는 제철공정에서 발생하는 폐기물로서 매년 막대한 량이 발생되고 있는데, 철, 탄소, 석회석 등의 재활용이 가능한 유효 자원을 다량 함유하고 있어, 골재로의 재활용이 가능하며, 특히 본 발명에서는 상기 제강슬래그를 혼합골재로 사용하여 아스팔트 포장층 내에 겨울철 제설을 위한 전열선을 매설하는 경우, 상기 제강슬래그의 철, 탄소 등의 성분으로 전열확산이 극대화되어 제설효과가 매우 우수하게 되는 장점이 있게 된다.At this time, the steelmaking slag is a waste generated in the ironmaking process and is generated in a huge amount every year, and contains a large amount of recyclable effective resources such as iron, carbon, limestone, etc. When the heating wire for winter snow removal is buried in the asphalt pavement layer by using the steel slag as a mixed aggregate, the heat diffusion is maximized with components such as iron and carbon in the steel slag, so that the snow removal effect is very excellent. .
상기 채움재는 시멘트, 석분, 탄산칼슘, 플라이애쉬를 각각 동일 중량비로 혼합하여 조성하는 것이 바람직하다.The filling material is preferably composed by mixing cement, stone dust, calcium carbonate, and fly ash in the same weight ratio, respectively.
또한, 상기 개질아스팔트바인더에는 유동성을 증가시키기 위해 분자 속에 한 개 이상의 극성 그룹을 가지고 있는 카르복실계(carboxylates) 유동화제, 폴리카본산계 유동화제 또는 멜라민계 유동화제에서 선택되는 유동화제를 더 포함하는 것이 바람직하다.In addition, the modified asphalt binder further comprises a glidant selected from carboxylates glidants, polycarboxylic acid glidants, or melamine glidants having one or more polar groups in the molecule to increase fluidity. it is preferable
이때, 상기 유동화제는 리그노술폰산염, 하이드록시폴리카르본산, 나프탈렌포름알데하이드술폰산염 및 멜라민포름알데하이드술폰산염으로 구성된 그룹에서 선택될 수 있다.In this case, the fluidizing agent may be selected from the group consisting of lignosulfonate, hydroxypolycarboxylic acid, naphthaleneformaldehydesulfonate and melamineformaldehydesulfonate.
또한, 상기 개질아스팔트바인더에는 에피크로히드린(epichlorohydrine) 및 비스폐놀A(bisphenol-A)에폭시수지를 1 : 1 중량비로 포함하는 주제와 폴리아마이드 경화제를 혼합한 에폭시수지 조성물을 보강제로 더 포함할 수 있다.In addition, the modified asphalt binder may further include, as a reinforcing agent, an epoxy resin composition in which a main agent containing epichlorohydrine and bisphenol-A epoxy resin in a 1:1 weight ratio and a polyamide curing agent are mixed. can
이때, 상기 비스페놀 A형 에폭시 수지는 국도화학(주)에서 판매하는 YD-128을 사용함이 바람직하며, 물성은 Epoxy Equivalent 186g/eq, Viscosity(csp at 25℃) 11500-13500, Specific Gravity 1.17g/㎤이다.At this time, it is preferable to use YD-128 sold by Kukdo Chemical Co., Ltd. as the bisphenol A epoxy resin, and the physical properties are Epoxy Equivalent 186g/eq, Viscosity (csp at 25℃) 11500-13500, Specific Gravity 1.17g/ It is ㎤.
상기 에폭시수지 조성물은 본 발명의 상기 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물의 접착, 방수, 균열방지, 내마모성, 내후성, 내후성 보강을 위해 사용되는 것이다.The epoxy resin composition is used to reinforce the adhesion, waterproofing, crack prevention, abrasion resistance, weather resistance, and weather resistance of the multifunctional asphalt road pavement composition having the fine dust absorption, waterproofing, snow removal and heat shielding effects of the present invention.
한편, 본 발명의 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물은 1-10um의 입자크기를 가지는 실리카분말을 사용하여 상기 실리카분말에 의한 차열효과를 나타내도록 하는 것이 특징이며, 이산화티탄(TiO2)를 사용하여 아스팔트 포장면의 미세먼지를 흡착하는 효과를 나타내도록 하는 것이 특징이다.On the other hand, the multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects of the present invention is characterized by using silica powder having a particle size of 1-10um to exhibit the heat shielding effect of the silica powder. , titanium dioxide (TiO 2 ) is used to exhibit the effect of adsorbing fine dust on the asphalt pavement.
이때, 상기 1-10um인 실리카분말을 차열재료로 사용하는데, 상기 실리카분말은 반사율이 90%이상을 나타내며, 밀도가 2.5~3.4인 것이 바람직하며, 상기 밀도가 3.4를 초과하게 되면, 방수재조성물중에 침천 분리되어 반사율을 나타내지 못하는 문제점이 있게 된다.At this time, the 1-10 μm silica powder is used as a heat shielding material, and the silica powder has a reflectance of 90% or more, and a density of 2.5 to 3.4 is preferable. When the density exceeds 3.4, in the waterproofing composition There is a problem in that the immersion separation does not indicate the reflectance.
또한, 이산화티탄은 루타일이산화티탄일 수 있다. 이산화티탄(TiO 2 )은 미분체(微粉體)로서 사용가능하며, 나노상태 즉 콜로이드상태로서의 사용은 물론, 액체상태로서의 사용 역시 가능한 것으로, 이산화티탄의 혼입을 통해 미세먼지흡착, 오염물질흡착, 냄새제거 등의 효과를 갖게 된다.In addition, the titanium dioxide may be rutile titanium oxide. Titanium dioxide (TiO 2 ) can be used as a fine powder, and can be used in a nano state, that is, a colloidal state, as well as a liquid state. It has the effect of removing odors, etc.
또한, 본 발명은 하부로부터 노면, 보조기층, 기층, 중간층, 표층순으로 적층하여 아스팔트 포장을 시공하되, 상기 표층은, 상기 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 가열, 혼합하면서 포설하여 시공하는 아스팔트 도로포장공법에 의해 시공될 수 있다.In addition, the present invention constructs asphalt pavement by laminating the road surface, auxiliary base layer, base layer, middle layer, and surface layer from the bottom in order, wherein the surface layer is a multifunctional asphalt road paving material composition having the fine dust absorption, waterproofing, snow removal and heat shielding effects. It can be constructed by the asphalt road paving method, which is installed and constructed while heating and mixing.
[본 발명의 다기능 아스팔트 도로포장재 조성물의 제조][Preparation of the multifunctional asphalt road pavement composition of the present invention]
유화 아스팔트 5kg, 컷백 아스팔트 5kg를 혼합하여 혼합아스팔트를 준비한 다음, MMA(메틸메타아크릴레이트)수지 2kg 및 수성폴리우레탄수지 0.5kg을 반응성 유화제로서 폴리옥시에틸렌노닐페닐에테르(Polyoxyethylene nonylphenyl ether ; POENPE) 0.1kg 및 중합촉진제로서 디메틸아닐린(DMA) 50g 함께 유화중합시킨 중합조성물에 EVA(에틸렌비닐아세테이트)수지 0.5kg를 배합하여 개질아스팔트바인더를제조한 후, 상기 혼합아스팔트와 개질아스팔트바인더를 혼합하여 혼합개질아스팔트 조성물을 제조하였다.Prepare mixed asphalt by mixing 5 kg of emulsified asphalt and 5 kg of cutback asphalt, then use 2 kg of MMA (methyl methacrylate) resin and 0.5 kg of water-based polyurethane resin as reactive emulsifiers Polyoxyethylene nonylphenyl ether (POENPE) 0.1 kg and 50 g of dimethyl aniline (DMA) as a polymerization accelerator, 0.5 kg of EVA (ethylene vinyl acetate) resin was mixed with the polymerization composition emulsion-polymerized with 0.5 kg of EVA (ethylene vinyl acetate) resin to prepare a modified asphalt binder. An asphalt composition was prepared.
한편, 5~12mm의 입자크기를 가지는 천연골재 및 제강슬래그 각 50kg을 혼합하여 혼합골재를 준비하고, 시멘트, 석분, 탄산칼슘, 플라이애쉬를 각각 1kg씩 혼합하여 채움재를 준비하며, 1-10um의 입자크기를 가지는 실리카분말 0.1kg과 이산화티탄(TiO2) 50g을 준비한 다음, 상기 제조한 혼합개질아스팔트 조성물을 가열하면서 균일하게 교반 혼합하고, 여기에 에피크로히드린(epichlorohydrine) 100g 및 비스폐놀A(bisphenol-A)에폭시수지 100g 혼합한 주제와 폴리아마이드 경화제 50g을 혼합한 에폭시수지 조성물을 균일하게 교반하면서 혼합하여 본 발명의 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물을 제조하였다.On the other hand, prepare a mixed aggregate by mixing 50 kg each of natural aggregate and steelmaking slag having a particle size of 5 to 12 mm, and prepare a filling material by mixing 1 kg each of cement, stone powder, calcium carbonate, and fly ash, 1-10 μm After preparing 0.1 kg of silica powder having a particle size and 50 g of titanium dioxide (TiO 2 ), uniformly stirring and mixing the prepared mixed modified asphalt composition while heating, 100 g of epichlorohydrine and bisphenol A (bisphenol-A) The multifunctional asphalt road pavement composition having the effect of adsorption of fine dust, waterproofing, snow removal and heat shielding of the present invention by mixing the epoxy resin composition mixed with 100 g of (bisphenol-A) epoxy resin and 50 g of polyamide curing agent with uniform stirring. prepared.
[비교예 1][Comparative Example 1]
[기존의 아스팔트 도로포장재 조성물의 제조][Preparation of existing asphalt road pavement composition]
유화 아스팔트 5kg, 컷백 아스팔트 5kg를 혼합하여 혼합아스팔트를 준비한 다음, 가열하면서 5~12mm의 입자크기를 가지는 천연골재 100kg을 혼합하여 아스팔트 도로포장재 조성물을 제조하였다.After preparing mixed asphalt by mixing 5 kg of emulsified asphalt and 5 kg of cutback asphalt, 100 kg of natural aggregate having a particle size of 5 to 12 mm was mixed while heating to prepare an asphalt road pavement composition.
[실험예 1][Experimental Example 1]
[시편제조][Specimen production]
상기 [실시예 1] 및 [비교예 1]에서 제조한 아스팔트 도로포장재 조성물을 콘트리트 상부에 마샬다짐기로 다짐하여 300mm×300mm×50mm의 크기 및 20mm두께로 포장하여 각각의 시편을 만들고, 각각 미세먼지흡착성능, 제설성능, 차열성능, 부착강도, 인장강도를 각각 측정하였다.The asphalt road paving material composition prepared in [Example 1] and [Comparative Example 1] was compacted on the top of the concrete with a marshal compactor, and paved to a size of 300 mm × 300 mm × 50 mm and a thickness of 20 mm to make each specimen, and fine dust, respectively. Adsorption performance, snow removal performance, heat shielding performance, adhesion strength, and tensile strength were measured, respectively.
[실험예 2][Experimental Example 2]
[미세먼지흡착성능측정][Measurement of fine dust adsorption performance]
실제로 미세먼지가 비산(부유)하고 있는 환경과 유사한 조건하에서 실험을 하기 위한 수단으로, 미세먼지 포집 성능평가 방법 및 장치를 활용하여 상기 [실시예 1] 및 [비교예 1]의 시편을 장치내부에 안치시키고, 미세먼지용 테스트 먼지(ISO 12103-1, A2 Fine test dust(입자크기 0.97㎛∼125㎛))를 장치 내에서 비산시킨 후, 각각의 시편에 포집된 미세먼지를 현미경(Digital microscope)으로 60배율로 확대 관찰한 결과, 다음 [표 1]에 나타난 바와 같이, [실시예 1]의 시편이 [비교예 1]의 시편보다 미세먼지가 현저하게 포집되어 본 발명의 미세먼지흡착성능이 매우 우수한 것을 알 수 있다.As a means for conducting an experiment under conditions similar to the environment in which fine dust is actually scattering (floating), the specimens of [Example 1] and [Comparative Example 1] are placed inside the device by utilizing the method and apparatus for evaluating the performance of fine dust. After scattering the test dust for fine dust (ISO 12103-1, A2 fine test dust (particle size 0.97㎛∼125㎛)) in the device, the fine dust collected on each specimen was examined under a digital microscope (Digital microscope). ) at a magnification of 60 magnification, as shown in Table 1 below, the specimen of [Example 1] collected fine dust significantly more than the specimen of [Comparative Example 1], and the fine dust adsorption performance of the present invention It can be seen that this is very good.
[실험예 3][Experimental Example 3]
[제설성능측정][Snow removal performance measurement]
상기 [실시예 1] 및 [비교예 1]의 시편 위의 제설효과를 비교하여 [도 2]에 도시하였다. [도 2]에 나타난 바와 같이, 본 발명의 [실시예 1]은 기존의 [비교예 1]보다 제설효과가 우수한 것을 알 수 있다.The snow removal effect on the specimens of [Example 1] and [Comparative Example 1] was compared and shown in [Fig. 2]. As shown in [Fig. 2], it can be seen that [Example 1] of the present invention is superior to the conventional [Comparative Example 1] in the snow removal effect.
[실험예 4][Experimental Example 4]
[차열성능측정][Measurement of thermal insulation performance]
상기 [실시예 1] 및 [비교예 1]의 시편 위에서 외부 적외선 램프로 조사하고, PROVA 800 온도 데이터 기록계를 이용하여 시편 상부표면온도를 측정한 결과, 다음 [표 2]에 나타난 바와 같이, [실시예 1]의 시편이 [비교예 1]의 시편보다 차열성능이 우수한 것을 알 수 있다.As a result of irradiating the specimens of [Example 1] and [Comparative Example 1] with an external infrared lamp, and measuring the upper surface temperature of the specimen using a PROVA 800 temperature data recorder, as shown in [Table 2], [ It can be seen that the specimen of Example 1] has superior heat shielding performance than the specimen of [Comparative Example 1].
[실험예 5][Experimental Example 5]
[부착강도측정][Measurement of adhesion strength]
콘크리트와 상기 [실시예 1] 및 [비교예 1]에서 제조한 아스팔트 도로포장재 조성물과의 접착면과 수직방향으로 하중을 작용시키되 변위제어방식으로 최대하중을 측정하여 부착강도를 측정하였다. 20℃의 항온실에 시편을 보관한 후 시편을 시험기에 장착하고 20mm/min의 속도로 유압을 가하여 부착력을 측정하였고, 시험결 과를 [표 3]에 나타내었다. 시험결과, [실시예 1] 및 [비교예 1] 모두 KS F 4042에서 규정하고 있는 품질기준인 1.0MPa을 만족하였으며, [실시예 1]은 [비교예 1] 보다 부착강도가 더 우수한 것으로 나타났다.The load was applied in the direction perpendicular to the adhesion surface of the concrete and the asphalt road paving material composition prepared in [Example 1] and [Comparative Example 1], and the maximum load was measured in a displacement control method to measure the adhesion strength. After storing the specimen in a constant temperature room at 20°C, the specimen was mounted on a tester, and hydraulic pressure was applied at a rate of 20 mm/min to measure the adhesion, and the test results are shown in [Table 3]. As a result of the test, both [Example 1] and [Comparative Example 1] satisfied 1.0 MPa, which is the quality standard stipulated in KS F 4042, and [Example 1] showed better adhesion strength than [Comparative Example 1] .
[실험예 6][Experimental Example 6]
[인장강도측정][Tensile strength measurement]
인장강도는 간접 인장강도 시험으로부터 측정하였으며,이때, 간접 인장강도 측정시 하중의 속도는 50mm/min이었다. 인장강도 측정결과, [표 4]에 나타난 바와 같이, [실시예 1]의 시편이 [비교예 1]의 시편보다 인장강도가 더 우수한 것으로 나타났다.Tensile strength was measured from an indirect tensile strength test, and the speed of the load was 50 mm/min when measuring the indirect tensile strength. As a result of the tensile strength measurement, as shown in [Table 4], the specimen of [Example 1] showed superior tensile strength than the specimen of [Comparative Example 1].
이상의 설명은 본 발명의 기술사상을 예시적으로 설명한 것에 불과한 것으로서, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 본 발명의 본질적인 특성에서 벗어나지 않는 범위에서 다양한 수정 및 변형이 가능할 것이다. 따라서, 본 발명에 개시된 실시예 및/또는 도면들은 본 발명의 기술 사상을 한정하기 위한 것이 아니라 설명하기 위한 것이고, 이러한 실시예 및/또는 도면에 의하여 본 발명의 기술 사상의 범위가 한정되는 것은 아니다. 본 발명의 보호 범위는 아래의 청구범위에 의하여 해석되어야 하며, 그와 동등한 범위 내에 있는 모든 기술 사상은 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.The above description is merely illustrative of the technical idea of the present invention, and various modifications and variations will be possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention pertains. Accordingly, the embodiments and/or drawings disclosed in the present invention are for explanation rather than limiting the technical spirit of the present invention, and the scope of the technical spirit of the present invention is not limited by these embodiments and/or drawings. . The protection scope of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.
Claims (10)
Mixed asphalt mixed with emulsified asphalt and cutback asphalt; a modified asphalt binder composed of a polymerization composition obtained by emulsion polymerization of MMA (methyl methacrylate) resin and water-based polyurethane resin together with a reactive emulsifier and polymerization accelerator; a mixed aggregate comprising natural aggregate and steelmaking slag having a particle size of 5 to 12mm, wherein the natural aggregate and steelmaking slag are each mixed in the same weight ratio; At least one filler selected from cement, stone dust, calcium carbonate, and fly ash; Silica powder having a particle size of 1-10um; Multifunctional asphalt road paving material composition having fine dust absorption, waterproofing, snow removal and heat shielding effects, characterized in that it comprises a titanium dioxide (TiO 2 );
상기 반응성 유화제는 음이온계 반응성 유화제인 소듐도데실벤젠설포네이트(Sodium dodecylbenzene sulfonate ; SDBS), 소듐폴리옥시에틸렌알킬페닐에테르설페이트(Sodium polyoxyethylene alkyl phenyl ether sulfate ; SPAS), 비이온계 반응성 유화제인 폴리옥시에틸렌노닐페닐에테르(Polyoxyethylene nonylphenyl ether ; POENPE)로 선택되는 어느 하나인 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
According to claim 1,
The reactive emulsifier is an anionic reactive emulsifier sodium dodecylbenzene sulfonate (SDBS), sodium polyoxyethylene alkyl phenyl ether sulfate (SPAS), a nonionic reactive emulsifier polyoxy Multifunctional asphalt road paving material composition having fine dust absorption, waterproofing, snow removal and heat shielding effects, characterized in that any one selected from ethylene nonylphenyl ether (POENPE)
상기 중합촉진제는 디메틸아닐린(dimethyl aniline)인 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
According to claim 1,
The polymerization accelerator is dimethyl aniline (dimethyl aniline), a multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects
상기 채움재는 시멘트, 석분, 탄산칼슘, 플라이애쉬를 각각 동일 중량비로 혼합하여 조성하는 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
According to claim 1,
The filler is a multifunctional asphalt road pavement composition having fine dust absorption, waterproofing, snow removal and heat shielding effects, characterized in that it is prepared by mixing cement, stone dust, calcium carbonate, and fly ash in the same weight ratio, respectively.
상기 개질아스팔트바인더에는 유동성을 증가시키기 위해 분자 속에 한 개 이상의 극성 그룹을 가지고 있는 카르복실계(carboxylates) 유동화제, 폴리카본산계 유동화제 또는 멜라민계 유동화제에서 선택되는 유동화제를 더 포함하는 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
According to claim 1,
The modified asphalt binder further comprises a glidant selected from a carboxylate glidant having one or more polar groups in the molecule, a polycarboxylic glidant, or a melamine-based glidant to increase fluidity. Multifunctional asphalt road pavement composition with fine dust absorption, waterproofing, snow removal and heat shielding effects
상기 유동화제는 리그노술폰산염, 하이드록시폴리카르본산, 나프탈렌포름알데하이드술폰산염 및 멜라민포름알데하이드술폰산염으로 구성된 그룹에서 선택되는 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
7. The method of claim 6,
The fluidizing agent is selected from the group consisting of lignosulfonate, hydroxypolycarboxylic acid, naphthaleneformaldehyde sulfonate and melamineformaldehyde sulfonate. Multifunctional asphalt having fine dust absorption, waterproofing, snow removal and heat shielding effects road pavement composition
상기 개질아스팔트바인더에는 에피크로히드린(epichlorohydrine) 및 비스폐놀A(bisphenol-A)에폭시수지를 1 : 1 중량비로 포함하는 주제와 폴리아마이드 경화제를 혼합한 에폭시수지 조성물을 보강제로 더 포함하는 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
According to claim 1,
The modified asphalt binder further comprises, as a reinforcing agent, an epoxy resin composition in which a main agent containing epichlorohydrine and bisphenol-A epoxy resin in a weight ratio of 1:1 and a polyamide curing agent are mixed. Multifunctional asphalt road pavement composition with fine dust absorption, waterproofing, snow removal and heat shielding effects
상기 에폭시수지 조성물은 상기 다기능 아스팔트 도로포장재 조성물의 접착, 방수, 균열방지, 내마모성, 내후성, 내후성 보강을 위해 사용되는 것을 특징으로 하는 미세먼지흡착, 방수, 제설 및 차열효과를 가지는 다기능 아스팔트 도로포장재 조성물
9. The method of claim 8,
The epoxy resin composition is used for adhesion, waterproofing, crack prevention, abrasion resistance, weather resistance, and weather resistance reinforcement of the multifunctional asphalt road paving material composition.
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