KR20020072499A - Paving materials using chip of waste tire and urethane rubber - Google Patents

Paving materials using chip of waste tire and urethane rubber Download PDF

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Publication number
KR20020072499A
KR20020072499A KR1020020010319A KR20020010319A KR20020072499A KR 20020072499 A KR20020072499 A KR 20020072499A KR 1020020010319 A KR1020020010319 A KR 1020020010319A KR 20020010319 A KR20020010319 A KR 20020010319A KR 20020072499 A KR20020072499 A KR 20020072499A
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waste
urethane
lower support
support layer
materials
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KR1020020010319A
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Korean (ko)
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KR100497253B1 (en
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김인중
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김인중
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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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/16—Polyurethanes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • E01C7/34—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ made of several courses which are not bound to each other ; Separating means therefor, e.g. sliding layers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
    • 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
    • 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
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • 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
    • 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
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/50—Flexible or elastic materials
    • C04B2111/503—Elastic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

PURPOSE: Provided are permeable and elastic paving materials forming lower support layer an upper elastic layer composed of waste tire rubber chips and waste urethane rubber chips, respectively. The resultant paving materials are applied to the layer of sand and gravel without basic materials of concrete, ascon, etc. CONSTITUTION: The permeable paving materials are characterized by comprising the layers of: a lower support layer(12) made of 70-80pts.wt. of silica(121) or 6-10mm of fine aggregates(gravels), and 10-30pts.wt. of waste tire rubber chips(4-8mm) as main materials, and 10-20wt.%(based on the total weight of support layer materials) of urethane resin; an upper elastic layer(11) made of waste color urethane rubber chips(3-4mm) as main materials, and 15-25wt.% (based on the total weight of elastic layer) of urethane binder.

Description

폐타이어, 폐우레탄 컬러 고무칩을 이용한 투수성 탄성 포장재{Paving materials using chip of waste tire and urethane rubber}Waste materials and chip of waste tire and urethane rubber

본 발명은 폐타이어, 폐우레탄 컬러 고무칩을 이용한 투수성 탄성 포장재에 관한 것으로, 좀 더 구체적으로는 폐 타이어 등의 고무 폐기물 및/또는 폐우레탄 고무 페기무 물을 이용한 안정적으로 지지되면서도 탄성을 유지하는 포장재에 관한 것이다.The present invention relates to a water-permeable elastic packaging material using waste tires and waste urethane colored rubber chips, and more particularly, to maintain elasticity while stably supporting rubber waste such as waste tires and / or waste urethane rubber waste water. It relates to a packaging material.

일반적으로, 산업이 고도로 발달하면서 폐타이어 및 일반 고체폐기물(폐고무, 폐합성수지, 폐주물사, 석재 등) 역시 증가하여 환경오염은 물론이고 이러한 폐기물을 처리하는데 상당한 비용이 소요됨으로 이러한 폐기물의 처리는 작금 사회적인 문제점으로 대두되어 있다. 그리고 산업이 발달하면서 풍요로운 삶을 누리면 누릴수록 환경오염의 유발 요인은 늘어나는 반면 쾌적한 환경에 대한 요구는 더욱 높아가고 있다.In general, with the development of the industry, waste tires and general solid wastes (waste rubber, waste plastics, waste foundry sand, stone, etc.) also increase, which is quite expensive to treat such wastes as well as environmental pollution. It is a social issue. And as the industry develops and enjoys abundant life, the cause of environmental pollution increases, while the demand for a pleasant environment is increasing.

폐타이어는 연간 배출량이 많고(2000년도 2100만개로 추정), 열량이 풍부한 고급 합성고무로 구성되어 있으며, 다른 폐기물과는 달리 수집 및 선별과정이 특별히 필요치 않아 재활용 사업으로서 가치가 매우 큰 것이나, 우리나라에서는 재활용시 경제성, 시장성 등의 제한조건으로 인하여 실용화 단계에 있는 처리시설은 극소에 지나지 않는다.Waste tires have high annual emissions (estimated at 21 million in 2000), and are composed of high-grade synthetic rubber with abundant calories. Unlike other wastes, waste tires do not require special collection and sorting processes, which is very valuable as a recycling business. In the case of recycling, there are only a few treatment facilities in the commercialization stage due to the constraints of economic feasibility and marketability.

현재, 국내 폐타이어 처리기술은 대략 20여가지 정도로 이용방법 및 처리기술로 보면 군 진지 작업, 토목공사, 매립, 야적과 같은 원형 이용 방법과 시멘트 킬른, 건류조간, 열분해와 같은 열이용 방법, 재생타이어 활성탄 제조, 고무분말 및 분말을 이용한 제품 등과 같이 가공하여 사용하는 방법 등이 제안되어 있다.At present, domestic waste tire treatment technology has about 20 kinds of usage method and treatment technology, and it uses circular methods such as military serious work, civil works, landfill, yard, and heat utilization methods such as cement kiln, dry distillation, pyrolysis, and recycling. There have been proposed methods of processing and using tires such as tire activated carbon production, rubber powders and powdered products.

원형 이용 방법은 타이어가 난분해성 물질이기 때문에 빠른 분해가 어려워 이로 인한 환경문제가 장기간 또는 반영구적으로 지속될 가능성을 가지고 있으며, 열이용 방법은 이용후 잔류오염 물질 및 다른 오염원의 발생가능성이 있어 결국폐타이어의 재활용 방법은 원형이용 - 열이용 - 가공이용 순으로 재활용 효율을 극대화시킬 수 있으며 앞으로의 정책도 재활용도가 높고 부가가치가 높은 가공이용 방법에 촛점이 맞추어져야 할 것이다.Since the tires are difficult to decompose quickly because the tires are difficult to decompose, the environmental problems may be sustained for a long time or semi-permanently.The heat-use method may lead to the generation of residual pollutants and other pollutants after use. Recycling method can maximize recycling efficiency in order of circular use-heat use-processing use, and future policy should focus on high recycling value and high value-added processing use method.

현재, 환경관련기관 및 유관기관 자료에서 보면 96년은 77.1%, 97년은 58.8%의 폐타이어 재활용율을 나타내고 있으나, 나타난 수치와 같이 군 진지, 매립 등을포함한 형식적인 재활용이 아닌 열이용 및 가공이용과 같은 실질적 재활용율을 높여야 하며 가공이용시 다른 환경폐기물과의 혼합 등을 통하여 환경친화적인 기능물 등을 개발하여야 할 것이다.At present, environmental and related agencies show that the recycling rate of waste tires was 77.1% in 1996 and 58.8% in 1997.However, as shown in the figures, heat use and The actual recycling rate, such as processing use, should be increased, and environmentally friendly functions should be developed through mixing with other environmental wastes.

또, 우레탄 역시 생활의 구석구석을 파고들어 매우 중요한 위치를 차지하고 있어 스포츠 용품은 물론 아기들의 기저귀에서부터 자동차, 건축, 운송, 단열절연재 및 내장재에 이르기까지 광범위하게 사용되고 있다. 따라서, 막대한 양의 폐우레탄이 방출되고 있으며, 재활용 실적이 미미한 편이다.In addition, urethane is also occupied in every corner of life and occupies a very important position, it is widely used in sports goods as well as baby diapers, automobiles, construction, transportation, insulation insulation and interior materials. Therefore, a huge amount of waste urethane is released, and the recycling performance is insignificant.

한편, 종래의 보도 자전거 도로, 산책로, 공원 등의 체육시설은 무기재료인 석재와 시멘트를 혼합한 콘크리트 성형하여 사용하거나 일부 컬러콘, 투수콘, 아스콘 등의 제품들로 구성되어 유용하게 사용되고 있으며 콘크리트 성형 제품은 강도가 너무 높아 착지면의 충격이 크며 고가의 시공비와 재료비로 인하여 일부에서만 시공되고 있는 실정으로 다음과 같은 문제점이 지적되고 있다.On the other hand, conventional sports facilities such as bicycle paths, walkways, parks, etc. are used by forming concrete mixed with stone and cement, which are inorganic materials, or by using products such as some color cones, pitcher cones, and asphalt concrete. The molded products are too high in strength and the impact of the ground is large, and due to the expensive construction cost and material costs are only being constructed in part, the following problems are pointed out.

콘크리트 보도블럭 및 컬러콘 등은 경도 및 내열, 내후성이 우수하여 널리 사용되고 있으나 약한 충격에도 쉽게 파손되는 취약성을 가지고 있어 취급상 부주의와 외부의 충격 등에 쉽게 파손되는 문제는 자주 교체하는 문제점이 있다. 또한, 탄성감이 없어 보행시의 느낌이 딱딱하다는 문제점 등 경제적 및 효용성의 측면에서 문제점이 있었다.Concrete sidewalk blocks and color cones are widely used because of their excellent hardness, heat resistance, and weather resistance, but they are susceptible to breakage even in the case of weak impacts. In addition, there was a problem in terms of economic and utility, such as the problem that the feeling of walking is hard without elasticity.

또한, 폐우레탄을 이용한 포장재는 탄성감이 있어 보행시의 감촉이 좋은 장점이 있으나, 안정적으로 지지되지 않아 지반이 침하되는 등의 문제가 발생하는 경우가 많았다.In addition, the packaging material using the waste urethane has the advantage of having a good feeling when walking because of the elasticity, but there are many problems such as settlement of the ground because it is not stably supported.

따라서, 본 발명의 목적은 안정적으로 지지되면서도 탄성을 유지할 수 있는 포장재를 제공하는데 있다.Accordingly, an object of the present invention is to provide a packaging material that can be stably supported while maintaining elasticity.

도 1은 본 발명의 일례의 투수성 탄성 포장재의 구조를 나타내는 단면도.BRIEF DESCRIPTION OF THE DRAWINGS Sectional drawing which shows the structure of the water permeable elastic packaging material of an example of this invention.

※ 도면의 주요부분에 대한 부호의 설명 ※※ Explanation of code about main part of drawing ※

1: 포장재11: 상부 탄성층(유색)1: packaging material 11: upper elastic layer (colored)

12: 하부 지지층121: 규사12: lower support layer 121: silica sand

122: 폐타이어 고무칩122: waste tire rubber chip

상기 본 발명의 목적은 평균 입경 6-10mm의 잔골재(자갈) 또는 규사 70-80중량부 및 입경 4-8mm로 분쇄한 폐타이어 고무칩 10-30중량부를 주성분으로 하는 하부 지지층에 3-4mm 길이로 절단한 폐우레탄 칼라 고무 칩을 주성분으로 하는 상부 탄성층으로 구성된 폐타이어, 폐우레탄 컬러 고무칩을 이용한 투수성 탄성 포장재에 의해 달성된다.The object of the present invention is 3-4mm length in the lower support layer mainly composed of 70-30 parts by weight of fine aggregate (gravel) or silica sand having an average particle diameter of 6-10 mm and 10-30 parts by weight of waste tire rubber chips ground to a particle size of 4-8 mm. It is achieved by a waste tire composed of an upper elastic layer mainly composed of waste urethane color rubber chips cut into pieces, and a water-permeable elastic packaging material using waste urethane color rubber chips.

이하 본 발명을 좀 더 구체적으로 살펴보면 다음과 같다.Looking at the present invention in more detail as follows.

본 발명에 따르면, 하부 지지층에 사용되는 고무 칩을 만드는데 이용되는 고무의 종류는 일반적으로 이용되는 모든 합성 또는 천연 고무가 가능하며, 환경보호를 위해 폐기된 고무를 사용하는 것이 바람직하며, 특히 폐 타이어 고무가 바람직하다. 폐타이어 고무칩의 물리적 성질은 다음과 같다.According to the present invention, the type of rubber used to make the rubber chip used in the lower support layer can be any synthetic or natural rubber generally used, and it is preferable to use the discarded rubber for environmental protection, in particular waste tires. Rubber is preferred. The physical properties of waste tire rubber chips are as follows.

<표 1> 폐타이어의 고무시편의 물리적 성질<Table 1> Physical Properties of Rubber Tires of Waste Tires

종류Kinds 신장율(KSM6951-95)Elongation Rate (KSM6951-95) 인강강도(KSM6951-95)Phosphorus strength (KSM6951-95) 내열/내한성시험길이변화율(%)(80±1℃×24시간)(20±1℃×24시간)Heat / cold resistance test length change rate (%) (80 ± 1 ℃ × 24 hours) (20 ± 1 ℃ × 24 hours) 스프링 경도(n1)Spring hardness (n1) 입자particle 폐타이어고무칩(시편)Waste Tire Rubber Chips 160(%)160 (%) 72.2㎏f/㎠72.2㎏f / ㎠ +0.4/-0.2+ 0.4 / -0.2 7878 3～7 ㎜3 to 7 mm

도 1은 본 발명의 포장재의 구조를 나타내는 단면도이다. 도 1을 참조하면, 하부 지지층(12)에 안정적 지지를 위해 혼입되는 주재료는 경제성 등을 고려할 때, 자갈 또는 규사가 바람직하다. 평균 입경 6-10mm의 잔골재(자갈) 또는 규사 70-80중량부 및 입경 4-8mm로 분쇄한 폐타이어 고무칩 10-30중량부를 혼합한다. 여기에 재료의 결합을 위해 하부 지지층 전체 재료의 10-20중량%의 우레탄 수지를 혼합하도록 한다. 포장재의 비중이 물보다 높도록 자갈 또는 규사와 폐타이어 고무칩의 혼합비를 조절하여야 한다.1 is a cross-sectional view showing the structure of a packaging material of the present invention. Referring to FIG. 1, in consideration of economical efficiency, the main material incorporated into the lower support layer 12 for stable support is preferably gravel or silica sand. 70-80 parts by weight of fine aggregate (gravel) or silica sand with an average particle diameter of 6-10 mm and 10-30 parts by weight of waste tire rubber chips ground to a particle size of 4-8 mm are mixed. In order to bond the material, 10-20% by weight of the urethane resin of the entire lower support layer is mixed. The mixing ratio of gravel or silica sand and waste tire rubber chips should be adjusted so that the specific gravity of the packaging material is higher than that of water.

상부 탄성층(11)의 주재료로 사용되는 폴리우레탄 칼라 고무 칩은 바람직하게는 3-4mm 크기로 절단된 것이 사용되며, 우레탄 바인더가 상부 탄성층 전체 중량의 15-25중량%로 혼합될 수 있다. 그 이하의 양으로 사용되면 고무칩이 충분히 결합되지 못하여 분리되는 경우가 생기게 되며 결합제가 너무 많이 사용되면 고무의 탄성만 떨어지고 더 이상의 접착력 증대효과가 나타나지 않게 된다.Polyurethane color rubber chip used as the main material of the upper elastic layer 11 is preferably cut to 3-4mm size, the urethane binder may be mixed at 15-25% by weight of the total weight of the upper elastic layer. . If it is used in an amount less than the rubber chip is not sufficiently bonded to cause a separation and if too much binder is used only the elasticity of the rubber is reduced and no further increase the adhesive force effect.

폐우레탄 칼라 고무칩의 물리적 성질은 다음과 같다.The physical properties of the waste urethane color rubber chip are as follows.

<표 2> 폐우레탄 고무칩시편의 물리적 성질<Table 2> Physical Properties of Waste Urethane Rubber Chip Specimen

종류Kinds 내열/내한성시험 길이변화율80+1℃ 24시간-20+1℃ 24시간Heat / cold resistance test Length change rate 80 + 1 ℃ 24 hours-20 + 1 ℃ 24 hours 반발탄성(KSM6951-96)Resilience (KSM6951-96) 스프링경로(KSM6951-95)Spring Path (KSM6951-95) 인장강도(KSM6951-95)Tensile Strength (KSM6951-95) 신장율(KSM6951-95)Elongation Rate (KSM6951-95) 마모감량(㎎)Abrasion loss (mg) 폐우레탄고무칩(시편)Waste Urethane Rubber Chips 0.3/0.10.3 / 0.1 32(%)32 (%) 7272 0.9(mpa)0.9 (mpa) 60(%)60 (%) 608ASTM D 4060Wheels : H-18회전수 : 1000회무 게 : 1000g608ASTM D 4060Wheels: H-18 RPM: 1000Weight: 1000g

바람직한 하부 지지층(12)과 상부 탄성층(11)의 두께비는 2 : 1이다. 상부 탄성층에 혼합되는 폴리우레탄 바인더에 의해 하부 지지층(12)과 상부 탄성층(11)이 결합된다.A preferred thickness ratio of the lower support layer 12 and the upper elastic layer 11 is 2: 1. The lower support layer 12 and the upper elastic layer 11 are bonded by the polyurethane binder mixed in the upper elastic layer.

본 발명의 포장재를 이용하여 시공하는 순서는 도 2에 도시되어 있다.The construction procedure using the packaging material of the present invention is shown in FIG.

준비공정을 통하여 현재의 노후화된 콘크리트 블록 위나 컬러콘 또는 투수콘위에 평탄성을 확보하고 불량부위는 투수성이 있는 레벨링 재료로 사전처리하고 기름성분이 잔존하고 있으면 중성세제로 제거한다.Through the preparatory process, flatness is secured on the current aging concrete block, color cone or permeable cone, and the defective part is pretreated with a permeable leveling material, and if oil remains, it is removed with neutral detergent.

공사구간을 확정한 후 표층재료와 기초층 사이에 프라이머를 시공한다. 프라이머는 투수성을 손상하지 않도록 시공해야하며 시공 후 표층작업공정에 들어간다.After confirming the construction section, apply primer between surface material and foundation layer. Primers should be installed so as not to impair the permeability, and then enter the surface work process.

표층작업 재료를 2가지로 분류하여 각각 혼합하는데 우레탄 바인더, 수지혼합재료는 다음과 같은 혼합비율로 믹싱한다.The surface work materials are classified into two types and mixed separately. The urethane binder and resin mixture materials are mixed at the following mixing ratios.

용 도Usage 주 재 료Main material 혼 합 재 료Mixed materials 혼 합 비Mixed rain 비 고Remarks 상부탄성층(연질층)Upper elastic layer (soft layer) 폐우레탄컬러칩Waste Urethane Color Chip 우레탄바인더Urethane Binder 15-25%15-25% 중량비Weight ratio 하층 지지층(경질층)Lower support layer (hard layer) 폐타이어고무칩잔골재, 규사Waste tire rubber chip residue aggregate, silica 우레탄수지계열의혼합재료Urethane Resin Mixture 10-20%10-20% 중량비Weight ratio

운반후 타설 도중 재료의 결합성능 향상을 위하여 50～90도의 열로울러 다짐은 필수적이며 평탄성 확보를 위하여 특수 시공기인 휘니셔를 이용하면 우수한 평탄성을 확보 할 수 있다. 2단 일체형으로 작업을 하기 때문에 하부 지지층의 타설 작업 후 경화되기 전에 상부 탄성층을 시공한다.To improve the bonding performance of the material during casting after transportation, the compaction of 50 ~ 90 degree heat roller is essential and excellent flatness can be secured by using a special construction machine, the finisher, to secure the flatness. Since the two-stage unitary work, the upper elastic layer is constructed before curing after placing the lower support layer.

표면의 내구성을 향상시키기 위해 고무칩표면에 폴리우레탄을 분무하여 사용할 수 있다.Polyurethane can be sprayed onto the rubber chip surface to improve the durability of the surface.

시공된 후에도 투수구조로 되어 있어 강우시, 우수의 유출 완화, 지하수 환원 기능 등 환경보전의 의미에서도 높은 효과를 발휘하는 특징이 있다.Even after construction, it has a permeable structure, so it has high characteristics in terms of environmental preservation such as rainfall, rainwater mitigation, and groundwater reduction function.

2단일체형 탄성포장재를 시공 후 경화중에 충격과 무거운 하중이 가해지지 않도록 하여야 하며, 하절기(30℃이하) 최저 24시간 동절기(1℃이상)엔 4～5일 이상 양생하여야 한다.After constructing the two-in-one elastic packaging material, it should be protected from impact and heavy load during curing, and should be cured for 4 ~ 5 days in summer (below 30 ℃) and at least 24 hours in winter (above 1 ℃).

이하 실시예를 통하여 본 발명을 좀 더 구체적으로 살펴보지만, 하기 예에 본 발명의 범주가 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the following examples.

실시예 1Example 1

준비공정을 통하여 평탄성을 확보한 다음 필터층 포설(모래)을 하였다. 이어서 쇄석 기층을 포설한 후, 상부 탄성층 재료로는 폐 우레탄 고무를 재생하여 3-4mm로 절단한 폐우레탄 칼라 고무 칩 80kg을 믹서기에 넣고 폴리우레탄 결합제(경기도 시흥시 시화공단 소재 경오화학 제품, 상품명 KA-770) 20kg을 부가하여 균일하게 혼합하여 탄성층 재료를 제조하였다. 다른 믹서기에 입경 8mm로 선별된 모래 70kg과 입경 4-8mm로 절단된 폐타이어를 재생한 고무 칩 15kg을 넣고 폴리우레탄 수지 15kg을 혼합하여 균일한 하부 지지층 재료를 제조하였다.Flatness was secured through the preparation process, and then the filter layer was laid (sand). Subsequently, after laying the crushed stone base, 80 kg of waste urethane color rubber chips cut to 3-4 mm by recycling the waste urethane rubber as the upper elastic layer material were put into a blender and a polyurethane binder (Kyungoh Chemical, Siheung Industrial Complex, Siheung-si, Gyeonggi-do, KA-770) was added and uniformly mixed to prepare an elastic layer material. In another blender, 70 kg of sand selected to 8 mm in diameter and 15 kg of rubber chips for recycling waste tires cut to 4 to 8 mm in diameter were placed, and 15 kg of polyurethane resin was mixed to prepare a uniform lower support layer material.

하부 지지층 재료를 먼저 타설하고 타설 도중 재료의 결합성능 향상을 위하여 50～90도의 열로울러로 다져주었다. 하부 지지층의 타설 작업 후 경화되기 전에 상부 탄성층을 시공하였다.The lower support layer material was first poured and then compacted with a 50-90 degree thermal roller to improve the bonding performance of the material. The upper elastic layer was constructed before curing after placing the lower support layer.

시공된 제품의 성능 시험을 실시하여 얻은 결과를 하기 표3에 나타내었다.The results obtained by performing the performance test of the constructed product are shown in Table 3 below.

표 3. 성능시험 결과Table 3. Performance test results

항목Item 초기Early 1주일1 week 2주일2 weeks 3주일3 weeks 4주일4 weeks 내열성(온도 80℃)Heat resistance (temperature 80 ℃) 17.917.9 19.419.4 19.819.8 20.320.3 2222 내수성(온도 30℃)Water resistance (temperature 30 degrees Celsius) 17.417.4 1515 15.615.6 16.416.4 15.415.4 내한성(온도-20℃)Cold resistance (temperature -20 ℃) 1717 1616 15.715.7 15.815.8 1616 내습성(온도 30℃,습도 95%)Moisture resistance (temperature 30 ℃, humidity 95%) 1616 13.713.7 13.413.4 14.914.9 15.615.6

높은 온도에서와 시간에 따른 내구성을 고찰하기 위해서 내열성을 조사한 결과 시간이 경과함에 따라 조금씩 강도가 증가하여 4주 후에는 약 17% 향상되었음을 볼 수 있는데, 이는 접착제로 사용한 폴리우레탄 바인더가 높은 온도에서 시간이 경과함에 따라 경화되기 때문에 나타난 결과로 생각된다.In order to investigate the durability at high temperature and time, the results showed that the strength increased little by little over time and improved about 17% after 4 weeks. It is thought to be the result shown because it hardens with time.

온도 -20℃와 30℃에서 실시한 내항성, 내수성과 내습성의 결과를 보면, 초기 값이나 4주 후의 값에 변화가 없음을 관찰할 수 있었다. 이러한 사실은 본 발명의 포장재가 낮은 온도와 물에 대한 저항성이 매우 우수함을 보여주는 결과로서 저항성이 매우 우수함을 보여주는 결과로서 4계절이 뚜렷하고 비나 눈이 많이 내리는 국내 상황에서 보도나 자전거 도로의 포장재로 사용할 시도 외부환경 변화에도 제품의 품질이 지속될 수 있음을 나타내 주는 결과이다.When the results of the shelf resistance, water resistance, and moisture resistance performed at the temperatures of -20 ° C and 30 ° C, no change was observed in the initial value or the value after 4 weeks. This fact shows that the pavement material of the present invention is very resistant to low temperature and water, which is very resistant to water, and can be used as a pavement or bicycle road pavement in the domestic situation where the four seasons are distinct and rain or snow falls. The result shows that the quality of the product can be sustained even if the external environment changes.

본 발명의 포장재는 상부 탄성층으로 인해 인간의 모든 활동시 걷거나, 달리는 등 신체의 충격을 줄이므로 안정성을 확보할 수 있을 뿐만 아니라, 하부 지지층으로 인해 슬럼프저하 현상을 방지할 수 있다.The packaging material of the present invention can not only ensure stability because the upper elastic layer to reduce the impact of the body, such as walking or running during all human activities, it is possible to prevent the slump lowering phenomenon due to the lower support layer.

본 발명의 포장재는 환경변화에 따른 내구성이 우수하였으며, 물보다 높은 비중을 지니고 있어 안정성과 탄성이 뛰어난 장점이 있다. 또한, 폐 타이어, 폐우레탄 등을 재활용할 수 있어 환경보호에도 유익한 발명이다.The packaging material of the present invention has excellent durability according to environmental changes, and has a specific gravity higher than water, thereby having an excellent stability and elasticity. In addition, waste tires, waste urethane and the like can be recycled, and the invention is also beneficial for environmental protection.

Claims (3)

평균 입경 6-10mm의 잔골재(자갈) 또는 규사 70-80중량부 및 입경 4-8mm로 분쇄한 폐타이어고무 칩 10-30중량부를 주성분으로 하는 하부 지지층에 3-4mm 길이로 절단한 폐우레탄 칼라 고무 칩을 주성분으로 하는 상부 탄성층 으로 구성된 것을 특징으로 하는 투수성 탄성 포장재.70-80 parts by weight of fine aggregate (gravel) or silica sand with an average particle diameter of 6-10 mm and 10-30 parts by weight of waste tire rubber chips pulverized to a particle size of 4-8 mm, waste urethane collar cut into length of 3-4 mm in the lower support layer mainly composed of A permeable elastic packaging material comprising an upper elastic layer mainly composed of rubber chips. 제 1 항에 있어서, 상기 상부 탄성층에는 우레탄 바인더가 상부 탄성층 전체 중량의 15-25%로 혼합된 것을 특징으로 하는 투수성 탄성 포장재.The permeable elastic packaging material of claim 1, wherein the upper elastic layer is a urethane binder mixed with 15-25% of the total weight of the upper elastic layer. 1 항에 있어서, 상기 하부 지지층에는 폴리 우레탄 수지가 하부 지지층 전체 중량의 10-20%로 혼합된 것을 특징으로 하는 투수성 탄성 포장재.The water-permeable elastic packaging material according to claim 1, wherein the lower support layer is a polyurethane resin mixed with 10-20% of the total weight of the lower support layer.
KR10-2002-0010319A 2002-02-26 2002-02-26 Paving materials using chip of waste tire and urethane rubber KR100497253B1 (en)

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CN109763394A (en) * 2018-12-12 2019-05-17 华艺生态园林股份有限公司 A kind of preparation method on gardens gravel elasticity road surface
CN109763394B (en) * 2018-12-12 2021-05-04 华艺生态园林股份有限公司 Preparation method of garden gravel elastic pavement

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