KR100690277B1 - Coating material for road marking - Google Patents

Coating material for road marking Download PDF

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KR100690277B1
KR100690277B1 KR1020020017608A KR20020017608A KR100690277B1 KR 100690277 B1 KR100690277 B1 KR 100690277B1 KR 1020020017608 A KR1020020017608 A KR 1020020017608A KR 20020017608 A KR20020017608 A KR 20020017608A KR 100690277 B1 KR100690277 B1 KR 100690277B1
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sepiolite
resin
glass beads
blended
sedimentation
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KR20030074035A (en
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하마마츠오사무
이케다모토아키
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엠시아이공업주식회사
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/45Anti-settling agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004Reflecting paints; Signal paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • C09K3/149Antislip compositions
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

대입경 유리비드나 경질골재는, 안료 등의 다른 성분에 비하여 입경 및 비중이 크기 때문에, 공지의 침강 방지제를 병용하여도, 시공시에는 시공장치내에서 침강하여 버려서, 도막의 시인성 개선 및 미끄럼 방지효과는 기대한 만큼은 인정되지않았다.Large-size glass beads and hard aggregates have a larger particle size and specific gravity than other components such as pigments, so that even if a known sedimentation inhibitor is used in combination, the particles are settled in the installation device to improve visibility of the coating film and prevent slippage. The effect was not recognized as expected.

대입경 유리비드와, 경질골재와, 점결수지를 주성분으로 하는 수지성분과, 저분자량 폴리에틸렌왁스 등의 유동화제를 포함하고, 또한 세피오라이트계 침강방지제(함수 마그네슘 실리케이트) 또는 세피오라이트계 침강방지제와 합성왁스계 침강방지제를 배합한 가열 용융형의 노면 표시용 도료. 바람직하게는, 수지 성분 및 유동화제에 대해서 세피오라이트계 침강 방지제를 2중량% 이상 배합한다. 대입경 유리비드와 경질골재의 침강이 방지된다.Large particle diameter glass beads, hard aggregates, resin components containing caking resin as a main component, and fluidizing agents such as low molecular weight polyethylene wax, and sepiolite-based sedimentation inhibitors (functional magnesium silicates) or sepiolite-based sedimentation inhibitors and synthetic waxes Paint for surface marking of heat-melting type with anti-settling agent. Preferably, 2 weight% or more of a sepiolite type antisettling agent are mix | blended with respect to a resin component and a fluidizing agent. Sedimentation of large-size glass beads and hard aggregates is prevented.

Description

노면 표시용 도료{COATING MATERIAL FOR ROAD MARKING}Paint for road marking {COATING MATERIAL FOR ROAD MARKING}

본 발명은, 아스팔트, 콘크리트 등의 노면에 그려진 중앙선, 횡단보도, 제한속도표시 등의 도로표시나, 주차장 등의 표면에 그려진 주차 구역선 등의 노면 표시용 도료에 관한 것으로, 특히, 시인성(視認性)이나 미끄럼방지효과가 대폭적으로 개선되어, 노면 표시용으로서 매우 유용한 도막을 형성할 수 있는 가열 용융형의 노면 표시용 도료에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to road markings such as center lines, pedestrian crossings, speed limits, etc. drawn on road surfaces such as asphalt and concrete, and road marking paints such as parking area lines drawn on surfaces such as parking lots. The present invention relates to a heat-melting type road surface coating material capable of greatly improving the anti-skid effect and slipperiness, and forming a coating film which is very useful for road surface display.

[종래의 기술][Prior art]

노면 표시에는, 속건성(速乾性)과 내구성 면에서 열가소성 수지와 안료를 배합한 가열 용융형의 도료가 종래부터 사용되고 있지만, 우천 야간시의 시인성은 아직 만족할 수 있는 것은 아니다. 또, 통학로 등에 시공되는 도로표시에는, 우천시 차량의 미끄럼에 의한 사고 등을 방지하기 위한 미끄럼 방지효과가 요구된다. Although the hot-melt type coating material which mix | blended a thermoplastic resin and a pigment in the fast-drying property and durability from the surface display is used conventionally, visibility in the nighttime of rainy weather is not yet satisfactory. In addition, road markings for construction on school roads and the like require a non-slip effect for preventing accidents caused by sliding of vehicles in rainy weather.

이들의 과제를 해결하기 위해서, 일본 특개평 11-80658호 공보에서는, 대입경 유리비드와 경질골재를 배합하는 것이 제안되어 있다. 유리비드는 차량의 헤드라이트 등의 빛을 재귀 반사시켜 운전자가 쉽게 인식할 수 있도록 종래부터 도로표시용 도료에 배합되고 있지만, 특히 대입경으로 함으로써, 우천시에도 수면으로부터 돌출하는 정도까지 도막으로부터 돌기시켜서, 결과적으로 우천시에도 헤드라이트 등을 재귀 반사시키는 것을 의도하고, 또, 경질골재를 배합함으로써 도막 표면을 조면으로 해서 미끄럼저항을 증대하여, 차량의 미끄럼방지를 도모하는 것을 의도하고 있다.In order to solve these problems, Japanese Unexamined Patent Application Publication No. 11-80658 proposes to mix a large particle glass bead with a hard aggregate. Glass beads have been conventionally incorporated into road marking paints so that drivers can easily recognize them by retroreflecting light such as the headlights of a vehicle. As a result, it is intended to retroreflect the headlights and the like even in rainy weather, and to incorporate a hard aggregate to increase the sliding resistance by making the surface of the coating film a rough surface and to prevent slipping of the vehicle.

그러나, 대입경 유리비드나 경질골재는, 안료 등의 다른 성분에 비하여 입경 및 비중이 크기때문에, 시공 작업시에 시공장치 내에서 침강 되므로 양호한 도막을 얻는 것이 곤란하였다. However, since large particle diameter glass beads and hard aggregates have a larger particle diameter and specific gravity than other components such as pigments, it is difficult to obtain a good coating film because they settle in the construction apparatus during construction work.

또, 도막에 경질골재를 혼입하면, 차량이 그 위를 통과할 때마다 도막표면이 마모되기때문에, 점차 도막표면에 경질골재가 노출되게 된다. 규사 등의 천연석이나 도기 등의 인공석의 분쇄재를 경질골재로서 이용할 수 있으면 비용절감이 되지만, 유채색(백색이나 흑색을 제외함)의 노면 표시용에 상기 분쇄재의 골재를 혼입하면, 도막표면으로부터의 경질골재의 노출에 의해 색상이 현저히 변화해버린다. 따라서, 현재, 유채색의 노면 표시용 도료에는, 점토에 고가인 안료를 대량으로 혼입한 다음 소성한 착색 경질 골재를 배합하고 있다.In addition, when the hard aggregate is mixed in the coating film, the surface of the coating film wears every time the vehicle passes over it, so that the hard aggregate is gradually exposed on the coating film surface. It is possible to reduce the cost if a crushed material of natural stone such as silica sand or artificial stone such as pottery can be used as a hard aggregate.However, when the aggregate of the crushed material is mixed with the surface of the chromatic color (except white and black), The color changes significantly due to the exposure of hard aggregates. Therefore, the coloring hard aggregate which mixed the calcined expensive pigment in clay in large quantities, and calcined is currently mix | blended with the chromatic-color road surface coating material.

그러므로, 본 발명은, 상기 과제를 해결하여, 대입경 유리비드나 경질골재가 배합되어도 시공시에 침강을 유효하게 방지할 수 있는 신규한 가열 용융형의 노면 표시용 도료를 제공하는 것을 목적으로 한다. Therefore, an object of the present invention is to solve the above problems and to provide a novel hot-melt type road surface coating material which can effectively prevent sedimentation during construction even when a large particle glass bead or hard aggregate is blended. .

또, 본 발명은, 유채색의 노면 표시용 도료에도, 규사 등의 천연석이나 도기 등의 인공석의 분쇄재를 경질골재로서 배합할 수 있는 신규한 가열 용융형의 노면 표시용 도료를 제공하는 것을 목적으로 한다. Moreover, an object of the present invention is to provide a novel hot-melt-type road surface coating material which can be blended with a colored aggregate for road surface display paints such as silica or natural stone or ceramic stone as hard aggregate. do.

[과제를 해결하기 위한 수단][Means for solving the problem]

본 발명자는, 일본 특개소 52-71533, 특개소 57-174, 특개소 59-202271 등에 개시되고, 종래부터 가열 용융형의 노면 표시용 도료에 배합되어 있던 각종 침강 방지제(합성미분 실리카계, 아스베스트계, 점토, 활석, 금속 비누류, 합성 왁스계, 유기 벤토나이트, 극미세침강 탄산칼슘, 식물계 중유)를 배합해 보았는데, 어느 것이나 만족스러운 침강방지효과는 얻을 수 없었다.MEANS TO SOLVE THE PROBLEM This inventor is disclosed in Japanese Unexamined-Japanese-Patent No. 52-71533, Unexamined-Japanese-Patent No. 57-174, 59-202271, etc., and has conventionally been mix | blended with the various types of anti-settling agents (synthetic fine silica type silica, As) Vests, clays, talc, metal soaps, synthetic waxes, organic bentonite, ultra fine precipitated calcium carbonate, and plant heavy oils) were blended.

그 때문에, 종래에서는 상정할 수 없었던 것도 여러 가지로 시도해 본 결과, 세피오라이트계가 침강 방지제로서 매우 유용한 것을 발견하였다. 또, 규사 등의 천연석이나 도기 등의 인공석의 분쇄골재에 도료와 동일 또는 유사한 색상의 유색의 세라믹스를 코팅함으로써 이들이 도막표면에 골재가 노출되어도 색상의 변화를 억제할 수 있는 것을 발견하였다. 그리고, 상기 지견에 의거하여 본 발명을 완성하기에 이르렀다. Therefore, as a result of various attempts, it was found that the sepiolite system is very useful as an antisettling agent . In addition, by coating colored ceramics of the same or similar color as paint on the ground aggregate of natural stone such as silica sand or artificial stone such as pottery, it was found that they can suppress the change of color even when the aggregate is exposed on the surface of the coating film. And based on the said knowledge, it came to complete this invention.

본 발명의 노면 표시용 도료는, 점결수지(粘結樹脂)를 주성분으로 하는 수지성분과, 유동화제와, 안료와, 대입경 유리비드와, 경질골재를 포함하는 가열 용융형의 노면 표시용 도료로서, 세피오라이트계 침강 방지제 또는, 세피오라이트계 침강 방지제 및 합성 왁스계 침강 방지제를 더 배합하여 이루어진다. The road surface coating material of the present invention is a heat-melting road surface coating material comprising a resin component mainly composed of a caking resin, a fluidizing agent, a pigment, a large particle size glass bead, and a hard aggregate. As the seopolite-based sedimentation inhibitor, or the sepiolite-based sedimentation inhibitor and the synthetic wax sedimentation inhibitor, the compound is further formulated.

여기서, 세피오라이트계 침강 방지제는 수지성분 및 유동화제에 대하여 적어도 2중량%로 배합하는 것이 좋다.Here, the sepiolite-based sedimentation inhibitor is preferably blended at least 2% by weight based on the resin component and the fluidizing agent.

또, 세피오라이트계 침강 방지제는 입경이 0.1 ~ 1000㎛에 해당하는 것을 배합하는 것이 더 좋다.Moreover, it is more preferable to mix | blend a sepiolite type anti-settling agent with a particle diameter of 0.1-1000 micrometers.

그리고, 합성 왁스계 침강 방지제의 경우, 세피오라이트계 침강 방지제에 대해서 0.1 ~ 20중량%로 배합해서 이루어진 형태가 좋다.In the case of the synthetic wax-based sedimentation inhibitor, an embodiment composed of 0.1 to 20% by weight with respect to the sepiolite-based sedimentation inhibitor is preferable.

본 발명의 경질골재는 안료와 동일 또는 유사한 색상의 유색 세라믹스를 코팅함으로써, 도막 표면에 골재가 노출되더라도 색상의 변화를 방지할 수 있도록 한다.Hard aggregate of the present invention by coating the colored ceramics of the same or similar color as the pigment, it is possible to prevent the change of color even when the aggregate is exposed on the surface of the coating film.

[발명의 실시형태]Embodiment of the Invention

본 발명의 노면 표시용 도료를, 이하에 설명한다. The paint for road surface display of this invention is demonstrated below.

본 발명의 노면 표시용 도료는, 가열 용융형의 것으로, 신규한 원료는 세피오라이트계 침강 방지제뿐이지만, 발명 이해의 편의를 위해 그 외의 원료에 관해서도 언급한다. Although the coating material for road markings of this invention is a heat melting type | mold, a novel raw material is only a sepiolite type antisettling agent, but it mentions other raw materials for the convenience of understanding of this invention.

(1)수지 성분(1) Resin component

주된 것은 점결수지이고, 이 점결수지로서는, 예를 들면, 생 로진, 말레화 로진, 말레화 로진 에스테르수지, 석유수지, 폴리아미드수지, 포화 폴리에스테르수 지, 크실렌수지, 수첨로진, 수첨석유수지, 폴리에틸렌, 폴리프로필렌, 크로만-인덴수지, 테르펜수지, 에틸렌-에틸아크릴레이트 공중합수지, 에틸렌-아세트산 비닐공중합수지, 열가소성 엘라스토머 등의 열가소성 수지를 단독 또는 병용하여 이용할 수가 있다.Mainly caking resins, for example, raw rosin, maleized rosin, maleized rosin ester resin, petroleum resin, polyamide resin, saturated polyester resin, xylene resin, hydrogenated rosin, hydrogenated oil Thermoplastic resins such as resin, polyethylene, polypropylene, chromman-indene resin, terpene resin, ethylene-ethyl acrylate copolymer resin, ethylene-vinyl acetate copolymer resin, and thermoplastic elastomer can be used alone or in combination.

가소제를 병용하는 것이 바람직하다. 연화하여 시공 작업성을 개선함과 동시에, 시공 후, 도막에 발생하는 크랙을 방지하기 때문이다. 이 가소제로서는, 예를 들면, 식물유, 식물유 변성 알키드수지, 광물유, 에폭시화유, 프탈산 에스테르류, 액상 합성고무류를 단독 또는 병용하여 이용할 수가 있다.It is preferable to use a plasticizer together. It is because it softens and improves workability, and prevents the crack which arises in a coating film after construction. As this plasticizer, vegetable oil, vegetable oil modified alkyd resin, mineral oil, epoxidized oil, phthalic acid ester, liquid synthetic rubber can be used individually or in combination, for example.

또한, 과잉으로 배합하면 지나치게 연화되어, 도막표면이 점착질이 되어 분진 등이 부착되어버리고, 시공 후 곧 거무스름해짐과 동시에, 차량 통과에 의한 도막의 변형을 발생시킨다. 따라서 가소제는, 점결수지에 대해서 25중량%이하로 배합하는 것이 바람직하다, In addition, when excessively blended, the coating film becomes excessively soft, and the surface of the coating film becomes cohesive, and dust or the like adheres to the coating. The coating film becomes blackish soon after construction and deforms the coating film due to passage of the vehicle. Therefore, it is preferable to mix | blend a plasticizer in 25 weight% or less with respect to caking resin,

(2)유동화제(2) fluidizers

유동화제는 고가인 점결수지의 사용량을 저감하기 위해서 배합한다. 이 유동화제로서는, 예를 들면, 저분자량 폴리에틸렌왁스, 파라핀왁스, 마이크로왁스, 사졸왁스 등을 단독 또는 병용하여 이용할 수가 있다. 저분자량 폴리에틸렌 왁스로서는, 수 평균분자량 200∼1500, 융점 90∼120℃정도의 것이 바람직하다.A fluidizing agent is mix | blended in order to reduce the usage-amount of expensive caking resin. As this fluidizing agent, a low molecular weight polyethylene wax, a paraffin wax, a micro wax, a sol wax, etc. can be used individually or in combination, for example. As the low molecular weight polyethylene wax, those having a number average molecular weight of 200 to 1500 and a melting point of about 90 to 120 ° C are preferable.

또한, 유동화제는, 과잉으로 배합하여도 점결수지의 사용량의 저감 효과에는 한계가 있다. 따라서, 유동화제는, 특수 배합의 경우를 고려하여도, 점결수지에 대해서 20중량%이하로 배합하면 충분하다. Moreover, even if it mix | blends excessively, a fluidizing agent has a limit in the reduction effect of the usage-amount of caking resin. Therefore, the fluidizing agent is sufficient to be blended at 20% by weight or less with respect to the caking resin even in the case of special blending.                     

(3)침강 방지제(3) sedimentation inhibitors

침강 방지제로서, 세피오라이트계 침강 방지제를 필수적으로 배합한다. 이 세피오라이트계 침강 방지제는, 세피오라이트(함수 마그네슘 실리케이트(CAS No.63800-37-3, 구조식:Mg8Si12O30(OH)4(OH2)4 ·8H2O)를 주성분으로 하는 것으로, 불가피적 부수성분으로서 Al2O3, Fe2O3, CaO, Na2O, K2O 등을 포함한다. As an antisettling agent, a sepiolite type antisettling agent is mix | blended essentially. This sepiolite type anti-settling agent has sepiolite (functional magnesium silicate (CAS No.63800-37-3, structural formula: Mg 8 Si 12 O 30 (OH) 4 (OH 2 ) 4 .8H 2 O) as a main component, As an unavoidable side ingredient, Al 2 O 3 , Fe 2 O 3 , CaO, Na 2 O, K 2 O and the like are included.

입경은 작은 편이 좋고, 1000㎛이하가 바람직하며, 75㎛이하가 보다 바람직하다. The smaller the particle size is, the more preferably 1000 µm or less, and more preferably 75 µm or less.

본 발명의 세피오라이트계 침강 방지제로서는, 시판되고 있는 것을 이용할 수 있다. 시판 상품에는, 예를 들면, 구스노키 화성 주식회사 제조의 상품명:PANGEL 및 PANSlL이나, 쇼와 광업 주식회사 제조의 상품명:미르콘 등이 있다. As the sepiolite-based sedimentation inhibitor of the present invention, a commercially available one can be used. Commercially available products include, for example, trade names: PANGEL and PANSLL manufactured by Kusunoki Chemical Co., Ltd., trade name: Mircon, manufactured by Showa Mining Co., Ltd., and the like.

재귀 반사성과 미끄럼 방지효과를 고려하면, 우천시에 약 2mm정도의 수위가 되었을 때에도 대응할 수 있도록, 점결수지에 대해서 대입경 유리비드나 경질골재를 각각 400중량%정도까지는 배합 가능하게 하고 싶지만, 세피오라이트계 침강 방지제를(수지성분 및 유동화제)에 대해서 2중량%이상 배합하면 이러한 요구에 충분히 부응할 수 있다.Considering the retroreflective and anti-slip effect, it is possible to mix up to 400% by weight of large-diameter glass beads and hard aggregates to the caking resin so that it can cope even when the water level is about 2 mm in rainy weather. If the antisettling agent is blended in an amount of 2% by weight or more with respect to the resin component and the fluidizing agent, this requirement can be sufficiently satisfied.

또한, 과잉으로 배합하면, 시공 작업성에 악영향이 나오기때문에, 세피오라이트계 침강 방지제의 배합량은, (수지성분 및 유동화제)에 대해서 40중량% 이하가 바람직하다. In addition, since excessively compounding adversely affects workability, the blending amount of the sepiolite-based sedimentation inhibitor is preferably 40% by weight or less relative to the (resin component and fluidizing agent).                     

침강 방지제로서, 세피오라이트계 침강 방지제에 더하여, 합성 왁스계 침강 방지제를 배합하는 것이 바람직하다. 합성 왁스계 침강 방지제를 적당한 양 병용함으로써 보다 고가인 세피오라이트계 침강 방지제의 사용량을 감소할 수 있고, 게다가 세피오라이트계 침강 방지제를 단독으로 사용한 경우보다 도료의 점도가 낮아져, 시공작업성이 양호해지기 때문이다. As a sedimentation inhibitor, it is preferable to mix | blend a synthetic wax-type sedimentation inhibitor in addition to a sepiolite type antisedimentation agent. By using an appropriate amount of the synthetic wax-based sedimentation inhibitor, the amount of the more expensive sepiolite-based sedimentation inhibitor can be reduced, and the viscosity of the paint is lowered and construction workability is better than that of the sepiolite-based sedimentation inhibitor alone. to be.

또한, 과잉으로 배합하면, 도료의 점도 및 가격이 높아져 실용적이지 않다. 따라서, 합성 왁스계 침강 방지제를 배합하는 경우에는, 세피오라이트계 침강 방지제에 대해서 20중량% 이하로 배합하는 것이 바람직하다. Moreover, when mix | blending excessively, the viscosity and price of a paint will become high and it is not practical. Therefore, when mix | blending a synthetic wax-type antisedimentation agent, it is preferable to mix | blend at 20 weight% or less with respect to the sepiolite type antisedimentation agent.

합성 왁스계 침강 방지제로서는, 종래부터 노면 표시용 도료 중에 배합되어 온 것을 이용할 수가 있다. 예를 들면, 수 평균 분자량:1000∼5000, 융점:90∼115℃의 상온에서 고형 분말인 것으로, 예를 들면 산소 또는 공기로 산화된 폴리에틸렌, 말레산 등의 α, β-불포화카르복실산이 부가되거나, 염소화 또는 술폰화되거나, 수산기 또는 에스테르기가 도입된 폴리에틸렌이나 폴리프로필렌을 단독 또는 병용할 수 있다. As a synthetic wax sedimentation inhibitor, what has been conventionally mix | blended in the paint for road markings can be used. For example, it is solid powder at normal temperature of number average molecular weight: 1000-5000, melting | fusing point: 90-115 degreeC, For example, (alpha), (beta)-unsaturated carboxylic acid, such as polyethylene or maleic acid oxidized with oxygen or air, is added. Polyethylene, polypropylene, or a chlorinated or sulfonated compound or a hydroxyl group or ester group introduced therein may be used alone or in combination.

(4)대입경 유리비드(4) large diameter glass beads

대입경 유리비드는, 도막표면에 차량의 헤드라이트 등의 빛이 쪼였을 때에 재귀 반사시켜서 운전자에게 인식시키기 위해서 배합하는 것으로, 유리 소재로, 굴절율이 1.5이상이고, 입경이 약 1000㎛이상인 것이 바람직하다. 또한, 시공 작업성을 고려하면, 입경은 약 3000㎛이하가 바람직하다. 형상은 구체(球體)가 일반적이다. Large-diameter glass beads are blended in order to reflect back to the driver when light such as a headlight of a vehicle shines on the surface of the coating film. The glass beads preferably have a refractive index of 1.5 or more and a particle size of about 1000 μm or more. Do. In consideration of workability, the particle size is preferably about 3000 µm or less. The shape is generally a sphere.                     

본 발명에서는, 이하의 일반적인 시판 유리비드를 이용할 수가 있다. In the present invention, the following general commercially available glass beads can be used.

Figure 112002009600618-pat00001
Figure 112002009600618-pat00001

또한, 최근에는, 상기의 고굴절 유리비드보다 굴절율이 높은, 굴절율 2.25로 비중이 5.2의 초고굴절 유리비드도 판매되고 있다. 또, 상기의 대입경 유리비드에 특수원료를 첨가하여 착색한 것이나, 상기의 유리비드의 표면을 착색한 것도 판매되고 있다. 따라서, 시공 장소에 따라서 유리비드를 적절히 사용하면 좋다. In recent years, ultrahigh refractive glass beads having a specific gravity of 5.2 with a refractive index of 2.25, which has a higher refractive index than the above-mentioned high refractive glass beads, have also been sold. Moreover, what added the special raw material to the said large particle size glass beads, and colored the surface of said glass beads is also marketed. Therefore, what is necessary is just to use a glass bead suitably according to a construction site.

이와 관련하여, 본 발명에서는, 입경 100∼900㎛정도의 소입경 유리비드를 병용하여도 좋다. 또, 대입경 유리비드의 주위에 소입경 유리비드을 접착하여 복합 유리비드로서 도료에 배합하여도 좋다. In this regard, in the present invention, small particle size glass beads having a particle size of about 100 to 900 µm may be used in combination. In addition, the small particle size glass beads may be bonded around the large particle size glass beads, and may be blended into the paint as the composite glass beads.

(5)경질골재(5) hard aggregate

경질골재는, 도막 표면을 거칠게 하여 미끄럼저항을 증대시키기 위해서 배합하는 것으로, 골재 중 경질에서 모스경도가 7이상인 것이다. Hard aggregate is mix | blended in order to make a rough surface of a coating film, and to improve a sliding resistance, and it is a hard MoS hardness of 7 or more in an aggregate among hard aggregates.

경질골재의 입경은, 너무 크면 도료의 시공시에 도막면의 마무리가 나빠지기 쉽고, 한편, 너무 작으면 미끄럼저항이 작아지기 때문에, 0.3∼3.0mm가 바람직하고, 0.5∼1.5mm가 보다 바람직하다.If the particle size of the hard aggregate is too large, the finish of the coating film surface tends to deteriorate at the time of coating, whereas if too small, the sliding resistance becomes small, so that 0.3 to 3.0 mm is preferable, and 0.5 to 1.5 mm is more preferable. .

경질골재는, 종래는, 유채색의 도료에 배합하는 경우에는, 시인효과의 저하를 방지하기위해서, 점토, 예를 들면 카올린, 벤토나이트, 와목(蛙目)점토, 목절( 木節)점토 등에 소망하는 색상의 안료를 배합한 다음 1300∼1450℃정도에서 소성하고, 파쇄함으로써 제조하고 있었다. 본 발명에서도 이러한 종래의 방법에 의해 제조한 경질골재를 이용할 수 있는 것은 물론이지만, 새로이, 경질골재에 도료와 동일 또는 유사한 색상의 유색 세라믹스를 코팅한 것의 사용을 제안한다.Hard aggregate is conventionally desired in clay, for example, kaolin, bentonite, woody clay, wood grain clay, etc., in order to prevent the fall of the visual effect when it is mix | blended with colored paint. It was prepared by blending a pigment of color, firing at about 1300-1450 ° C, and crushing. In the present invention, of course, it is possible to use a hard aggregate produced by such a conventional method, it is newly proposed to use a hard aggregate coated with colored ceramics of the same or similar color as the paint.

세라믹스의 코팅 자체는 종래부터 알려진 코팅 기술로, 산화 알루미늄, 산화규소 등의 세라믹스 분말을 포함하는 유약을 베이킹함으로써 세라믹스의 피막을 형성한다. 유색 세라믹스의 피막으로 하는 데는, 유약에 코발트, 크롬 등의 유색 금속 이온을 녹여넣거나 안료를 분산시킨 다음 경질 골재 상에 베이킹하면 좋다. Coating of ceramics itself is a coating technique known from the prior art, and forms a coating of ceramics by baking glaze containing ceramic powder such as aluminum oxide, silicon oxide and the like. The coating of colored ceramics may be performed by dissolving colored metal ions such as cobalt and chromium in a glaze or dispersing a pigment and baking on a hard aggregate.

이 세라믹 코팅을 이용하면, 규사 등의 천연석이나 도기 등의 인공석의 분쇄재의 표면을 소망하는 색상으로 착색할 수 있으므로, 종래의 방법에 의해 점토로부터 제조한 경질골재와 마찬가지로 사용할 수 있다. 이 방법에서는, 저렴한 규사 등의 천연석이나 도기 등의 인공석의 분쇄재를 원료로서 사용할 수 있고, 게다가 안료는 사용했다고 하여도 그 양은 종래의 방법에 비하여 현격히 적어도 되므로 비용절감을 도모할 수 있는 점에서 유리하다. When the ceramic coating is used, the surface of the ground material of natural stone such as silica sand or artificial stone such as pottery can be colored in a desired color, and thus it can be used in the same manner as the hard aggregate produced from clay by the conventional method. In this method, it is possible to use a ground material of natural stone, such as inexpensive silica sand, or artificial stone, such as pottery, as a raw material. In addition, even if the pigment is used, the amount thereof is significantly reduced compared to the conventional method, and thus, cost reduction can be achieved. It is advantageous.

(6)착색재(6) coloring material

노면 표시용이므로 통상은 백색안료 또는 황색안료를 배합한다. Since it is a road marking, usually a white pigment or a yellow pigment is mix | blended.

전형적인 무기의 백색 안료로서는, 예를 들면, 이산화티탄, 아연화, 리소폰, 연백 등을 이용할 수가 있고, 황색 안료로서는, 예를 들면, 티탄 옐로우, 산화철, 카드뮴계, 황연, 내열황연, 유기계 황색안료, 형광 황색안료, 축광·발광의 안료, 축광·발광의 염료 등을 사용할 수가 있다. 그 외에, 무기 복합 산화물 안료(유기 안료와 무기물을 복합한 안료)도 사용할 수가 있다.As a typical inorganic white pigment, for example, titanium dioxide, zincation, lithopone, lead white, and the like can be used. As yellow pigments, for example, titanium yellow, iron oxide, cadmium, sulfur lead, heat resistant sulfur, organic yellow pigment. , Fluorescent yellow pigments, pigments of photoluminescence and luminescence, dyes of photoluminescence and luminescence can be used. In addition, an inorganic composite oxide pigment (pigment in which an organic pigment and an inorganic compound are combined) can also be used.

(7)무기물 충전재(7) mineral filler

탄산칼슘, 규사, 활석, 한수석, 유리분말, 알루미나분말, 화이트 모랜덤 등을 이용할 수가 있다.Calcium carbonate, silica sand, talc, hanseok, glass powder, alumina powder, white mordenum and the like can be used.

(8)기타(8) Other

상기에 기재한 것 외에, 필요에 따라서, 자외선 흡수제나 산화 방지제 등의 첨가제를 적절히 첨가할 수가 있다.In addition to the above, additives, such as a ultraviolet absorber and antioxidant, can be added suitably as needed.

상기 배합의 노면 표시용 도료는, 믹서로 혼합한 후, 폴리에틸렌 등의 봉투에 채워넣어 보관해둔다. 그리고, 시공시에, 시공장치로서의 차재식 니더에 투입하고, 200℃정도까지 가열용융한 후 노면에 도포한다. 막두께는, 특별히 한정되지 않지만, 통상은 1.5∼3.0mm정도이다. The paint for road marking of the above formulation is mixed with a mixer and then filled in a bag such as polyethylene and stored. Then, at the time of construction, it is put into an on-vehicle kneader as a construction apparatus, heated and melted to about 200 ° C, and applied to the road surface. Although the film thickness is not specifically limited, Usually, it is about 1.5-3.0 mm.

[실시예]EXAMPLE

실시예 1Example 1

표2에 나타내는 배합비에서 합계 20kg이 되도록 각 원료를 준비하고, 용융가마에 투입하여 충분히 교반하면서 200℃까지 가열용융하고, 각 시료를 제조하였다. 또한, 착색 경질골재는, 점토에 이산화티탄 안료를 배합하여 소성하고, 분쇄함으로써 제조한 것이다. Each raw material was prepared so that it might become 20 kg in total at the compounding ratio shown in Table 2, it melt | dissolved in the kiln, heated and melted to 200 degreeC, fully stirring, and prepared each sample. In addition, colored hard aggregate is manufactured by mix | blending and baking a titanium dioxide pigment with clay, and pulverizing.

그 후, 하기의 조건에서 점도와 침강성을 시험하였다. 또한, 착색 경질골재는, 점토에 이산화티탄 안료를 배합하여 소성하고, 분쇄함으로써 제조한 것이다. Then, the viscosity and sedimentation were tested on condition of the following. In addition, colored hard aggregate is manufactured by mix | blending and baking a titanium dioxide pigment with clay, and pulverizing.                     

Figure 112002009600618-pat00002
Figure 112002009600618-pat00002

시험조건Exam conditions

1)점도:1) Viscosity :

시료 약 1㎏을 용융가마로부터 빼내어, 1L용량의 법랑제 용기에 옮기고, 시 료의 온도를 200℃에 유지한 상태에서, 비스코테스터(리온사제)를 사용하여, 점도(P, 포이즈)를 측정하였다.Approximately 1 kg of the sample was removed from the molten kiln, transferred to a 1 L enamel container, and the viscosity (P, poise) was measured using a biscotester (manufactured by Lion Co., Ltd.) while maintaining the sample temperature at 200 ° C. It was.

2 ) 침강성 :2) Sedimentation:

(초기)(Early)

시료약 9㎏을 용융가마로부터 빼내어, 시공기에 옮겨서 10분간 방치하고, 10분간 경과 후 금속제의 주걱을 시공기의 도료탱크의 바닥부에 대고, 대입경 유리비드나 경질골재에 닿았을 때에는, 침강물 있음으로 판단하였다.When about 9 kg of sample was removed from the molten kiln, transferred to the construction machine and left for 10 minutes, and after 10 minutes, a metal spatula was placed on the bottom of the coating tank of the construction machine, and when it touched a large-size glass bead or hard aggregate, It judged that there exists.

(3시간 후)(3 hours later)

그 후 계속하여 3시간에 걸쳐서 200±10℃의 상태에 유지하면서 혼합하고, 그 후 시료약 9㎏을 용융가마로부터 빼내어, 시공기에 옮겨서 10분간 방치하고, 10분간 경과 후 금속제의 주걱을 시공기의 도료탱크의 바닥부에 대고, 대입경 유리비드나 경질골재에 닿았을 때에는, 침강물 있음으로 판단하였다.After that, the mixture was continuously mixed for 3 hours while maintaining the temperature at 200 ± 10 ° C. After that, about 9 kg of the sample was taken out of the molten kiln, transferred to the construction machine, and left for 10 minutes. After 10 minutes, the metal spatula was removed. When it touched the bottom of the paint tank and touched a large particle size glass bead or hard aggregate, it was judged that there was sediment.

표 2에서 명백해진 바와 같이, 본 발명품인 시료 1∼4는 초기에도, 3시간 후에도 침강물의 존재가 확인되지않았지만, 종래품에 상당하는 비교품인 시료 5∼8은 3시간후에는 모두 침강물의 존재가 확인되었다. 또, 색상은, 무처리의 경질골재를 배합한 시료 6과 8을 제외하고는, 변화에 큰 차이는 없었다.As apparent from Table 2, the samples 1 to 4 of the present invention did not confirm the presence of sediment even after the initial stage and after 3 hours, but the samples 5 to 8, the comparative products corresponding to the conventional products, were all precipitated after 3 hours. Existence was confirmed. In addition, there was no significant difference in the color except for Samples 6 and 8 in which untreated hard aggregate was blended.

실시예 2Example 2

시료 9, 시료 10, 시료 11로서, 경질골재의 원료를 각각 이하의 것으로 대체한 것 이외는 실시예 1의 시료 1과 같은 원료 및 배합비, 및 같은 방법으로 도료를 제조하였다. Samples 9, 10, and 11 were prepared by the same raw materials and compounding ratios as those of Sample 1 of Example 1, and the same method, except that the raw materials of the hard aggregate were replaced with the following ones, respectively.                     

시료 9의 경질골재 : 점토에 이산화티탄 대신에 티탄옐로우(황색안료)를 첨가하여 소성·분쇄한 것Hard aggregate from Sample 9: Fired and ground by adding titanium yellow (yellow pigment) to clay instead of titanium dioxide

시료 10의 경질골재 : 규사에 산화알루미늄의 세라믹분말과 티탄옐로우(황색안료)를 첨가하여 색상이 시료 1과 마찬가지가 되도록 조절한 것을 코팅한 것Hard aggregate of Sample 10: Coated with silica powder ceramic powder of titanium oxide and titanium yellow (yellow pigment) adjusted to the same color as Sample 1.

시료 11의 경질골재 : 규사Hard aggregate of sample 11: silica sand

또한, 시료 10과 시료 11에서 사용한 규사는, 시료 1의 경질골재의 입경과 동일해지도록 미리 분별된 것이다.In addition, the silica sand used by the sample 10 and the sample 11 is fractionated previously so that it may become the same as the particle size of the hard aggregate of the sample 1.

시료 9, 시료 10, 시료 11을 각각 노면에 막두께가 약 1.5mm가 되도록 차량이 통과하는 노면에 인접하여 시공하였다.Samples 9, 10 and 11 were respectively constructed adjacent to the road surface through which the vehicle passes so that the film thickness was about 1.5 mm on the road surface.

그리고, 3개월 경과 후에 도막표면을 관찰했더니, 시료 11은 골재의 노출에 의해 색상이 현저히 변화하고 있었지만, 시료 9와 시료 10에서는 색상 변화의 정도에 거의 차이는 없었다.When the surface of the coating film was observed after 3 months, the color of the sample 11 was significantly changed due to the exposure of the aggregate, but there was little difference in the degree of color change between the samples 9 and 10.

본 발명의 노면 표시용 도료에 의하면, 대입경 유리비드와 경질골재의 침강을 유효하게 방지할 수 있으므로, 도막의 시인성과 미끄럼 방지효과가 대폭 개선된다.According to the road surface coating material of the present invention, the sedimentation of large-diameter glass beads and hard aggregates can be effectively prevented, and the visibility and anti-slip effect of the coating film is greatly improved.

또, 경질골재로서, 규사 등의 천연석이나 도기 등의 인공석의 분쇄골재의 표면에 유색의 세라믹 코팅을 실시하여 착색한 것을 사용한 경우에는, 도료의 대폭적인 비용절감이 도모된다.
In addition, when a hard aggregate is used by applying colored ceramic coating to the surface of natural stone such as silica sand or crushed aggregate of artificial stone such as pottery, a significant cost reduction of the paint can be achieved.

Claims (5)

삭제delete 삭제delete 점결수지를 주성분으로 하는 수지성분과, 유동화제와, 안료와, 대입경 유리비드와, 경질골재를 포함하는 가열 용융형의 노면 표시용 도료에 있어서,In the heat-melting-type road marking paint comprising a resin component containing a caking resin as a main component, a fluidizing agent, a pigment, a large particle glass bead, and a hard aggregate, 세피오라이트계 침강 방지제 또는, 세피오라이트계 침강 방지제 및 합성 왁스계 침강 방지제를 배합하되, 상기 세피오라이트계 침강 방지제는 입경이 0.1 ~ 1000㎛로 이루어지고, 상기 수지성분 및 유동화제에 대해 적어도 2중량%로 배합된 것을 특징으로 하는 노면 표시용 도료.A sepiolite-based sedimentation inhibitor or a sepiolite-based sedimentation inhibitor and a synthetic wax-based sedimentation inhibitor are blended. Paint for road markings, characterized in that. 제 3 항에 있어서,The method of claim 3, wherein 상기 합성 왁스계 침강 방지제는 상기 세피오라이트계 침강 방지제에 대해 0.1 ~ 20중량%로 배합된 것을 특징으로 하는 노면 표시용 도료. The synthetic wax-based sedimentation inhibitor is 0.1 to 20% by weight relative to the seopite-based sedimentation inhibitor coating material for road marking. 제 3 항 또는 제 4 항에 있어서,The method according to claim 3 or 4, 상기 경질골재는 상기 안료와 동일 또는 유사한 색상의 유색 세라믹스가 코팅된 것을 특징으로 하는 노면 표시용 도료. Wherein said hard aggregate is coated with colored ceramics of the same or similar color as said pigment .
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