JP2015199899A - Coating material for road sign, master batch pellet of the coating material, and white road sign object constructed with use of the pellet - Google Patents
Coating material for road sign, master batch pellet of the coating material, and white road sign object constructed with use of the pellet Download PDFInfo
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Abstract
Description
コンクリートやアスファルトで舗装された道路上の白線などに用いられる道路標示塗料及びこの塗料を用いて施工される道路標示物に関するものである。 The present invention relates to a road marking paint used for a white line on a road paved with concrete or asphalt, and a road marking object constructed using this paint.
従来の道路標示塗料は、熱可塑性樹脂に二酸化チタンなどの白色顔料と炭酸カルシュウム等の充填剤が配合され混練されて造られている。この配合され混練された塗料を樹脂ペレット化し、施工現場で樹脂ペレットを加熱溶融型道路線引き機により溶融して路上に塗布し、柔らかい状態でその上にガラスビーズを散布して道路白線を施工している。 Conventional road marking paints are made by blending and kneading a thermoplastic resin with a white pigment such as titanium dioxide and a filler such as calcium carbonate. The blended and kneaded paint is made into resin pellets, and the resin pellets are melted by a heat-melting type road drawing machine at the construction site and applied onto the road. In a soft state, glass beads are spread on the road to construct a road white line. ing.
しかしながら、この方式により施工された道路白線は、降雨により冠水し、水の被膜が出来る。夜間にこの状態で自動車がヘッドライトを点灯して走行すると、ヘッドライトの光線が水膜で臨界角を越えて前方へ全反射するため、反射光を発するべきガラスビーズに光が当たらず道路白線からの反射光はドライバーには届かず、道路白線が視認しにくくなっている。したがって、交通安全に支障を来す虞があった。 However, the road white line constructed by this method is flooded by rain and can be covered with water. When the car runs with the headlight turned on in this state at night, the light beam of the headlight totally reflects forward beyond the critical angle by the water film, so the glass beads that should emit reflected light do not hit the light and the road white line The light reflected from the road does not reach the driver, making it difficult to see the white road line. Therefore, there is a risk of hindering traffic safety.
そこで夜間に道路が冠水している場合であっても道路白線等の白色道路標示物を容易に視認できるように施工が出来る道路標示塗料を提供することを目的としている。 Therefore, an object of the present invention is to provide a road marking paint that can be constructed so that a white road marking such as a road white line can be easily visually recognized even when the road is flooded at night.
本発明の道路標示塗料は、青白く発光する蓄光顔料をシランカップリング剤で被覆し、更に光透過性が良い白色の、蛍光染料及びガラス粉末の少なくとも1つで被覆した発光粒体を形成し、この発光粒体と増量添加剤と結合剤としての熱可塑性樹脂とを混合してそこに発光粒体を分散させたことを特徴としている。 The road marking paint of the present invention is a luminescent particle coated with at least one of a fluorescent dye and glass powder, which is coated with a silane coupling agent, a phosphorescent pigment that emits light blue and white, and has good light transmission, The luminescent particles are characterized by mixing the luminescent particles, the extender additive, and the thermoplastic resin as a binder, and dispersing the luminescent particles therein.
また、本発明のマスターバッチペレットは、道路標示塗料を溶融状態でダイスを通して出てきた線状体を適宜長さに切断し冷却させたことを特徴としている。 In addition, the master batch pellet of the present invention is characterized in that a linear object that has come out through a die in a molten state of a road marking paint is appropriately cut and cooled.
さらに、本発明の道路標示物は、マスターバッチペレットを溶融し道路上の所望の場所に塗布し冷却固化させたことを特徴としている。 Furthermore, the road marking object of the present invention is characterized in that the master batch pellet is melted and applied to a desired place on the road to be cooled and solidified.
本発明によれば、夜間に道路が冠水していても蓄光顔料が常時発光しており道路白線を認識でき、更に車両からのヘッドライトの光線を受けて蛍光染料が発光し、また、ガラス粉末が反射光を発光する道路標示塗料、この塗料のマスターバッチペレット及びこのペレットを用いて施工された白色道路標示物を提供することが出来る。これにより蓄光顔料の発光能力を落とすことなく施工された白色道路標示物をドライバーは確実に視認できる。したがって、交通安全に寄与することが出来る。 According to the present invention, even if the road is flooded at night, the phosphorescent pigment always emits light and can recognize the road white line. Further, the fluorescent dye emits light upon receiving the light of the headlight from the vehicle. Can provide a road marking paint that emits reflected light, a masterbatch pellet of the paint, and a white road marking applied using the pellet. As a result, the driver can surely see the white road markings constructed without reducing the luminous ability of the phosphorescent pigment. Therefore, it can contribute to traffic safety.
以下本発明を良好な実施例を示す図面に基づいて説明する。 The present invention will be described below with reference to the drawings showing preferred embodiments.
図2は道路標示塗料に含まれる発光粒体Ｘの概念断面図である。発光粒体Ｘは蓄光顔料aの粉末を核としてシリコン系のシランカップリング剤bで被覆されている。更に光透過性の良い白色の蛍光染料c及び同じく光透過性の良い白色のガラス粉末dの少なくとも1つで被覆して形成されている。
この発光粒体Ｘと図１に示す増量添加剤eと結合剤としての熱可塑性樹脂fとを混合して発光粒体Ｘを塗料中に分散させて道路標示塗料が造られている。
ここに熱可塑性樹脂fは、結合剤としての役割をするものであるが、耐候性、耐摩耗性、施工性を考慮してエチレン酢酸ビニル共重合体ＥＶＡまたは炭化水素樹脂（日本ゼオン株式会社製 Quintone（登録商標） CX495）を用いている。
FIG. 2 is a conceptual cross-sectional view of the luminescent particles X contained in the road marking paint. The luminous particles X are coated with a silicon-based silane coupling agent b with the phosphorescent pigment a powder as a core. Further, it is formed by coating with at least one of white fluorescent dye c having good light transmittance and white glass powder d having good light transmittance.
A road marking paint is produced by mixing the luminous particles X, the additive e shown in FIG. 1 and the thermoplastic resin f as a binder, and dispersing the luminous particles X in the paint.
Here, the thermoplastic resin f serves as a binder, but in consideration of weather resistance, wear resistance, and workability, an ethylene vinyl acetate copolymer EVA or a hydrocarbon resin (manufactured by Nippon Zeon Co., Ltd.). Quintone (registered trademark) CX495) is used.
ここで蓄光顔料aは一般的に黄色地を示すが黄色に発光するものと青白色に発光するものとがある。黄色に発光するものは、光透過性の良い白色の蛍光染料c及びガラス粉末dで被覆して白色に見せることもできるが発光時には黄色に発光し、使用することが困難である。そこで青白色に発光する蓄光顔料aを用いる。
蓄光顔料aは、この条件の下に選択され、硫化亜鉛（ZnS系）あるいはアルミン酸ストロンチウム(SrAl2O4系)等を用いる。他にシリコン系、シリケートアルミネード混合系、硫化物系、アルカリ土類アルミン酸塩系などの種別から適宜選択される。これらは、いずれも紫外線などの光エネルギーを吸収し、可視光に変換して常時発光する。具体的には、蓄光顔料aは、波長３１５nmから４００nmの近紫外線が波長４１０nmから６５０nmの可視光線に変換されて発光する。
また、シランカップリング剤ｂは種々の製造メーカーのものがあるが、ここでは信越化学工業株式会社製のKBM3063を用いている。このシランカップリング剤ｂは透明で耐水性を有しており、蓄光顔料aの粉末を被覆しても蓄光、発光の能力を減殺させない。
一方、白色の蛍光染料ｃは、各種グレードがあるが、化成品商事株式会社製のFZ-5009Whiteが本道路標示塗料に適している。
Here, the phosphorescent pigment a generally shows a yellow background, but there are those that emit yellow light and those that emit blue white. Those that emit yellow light can be coated with a white fluorescent dye c and glass powder d having good light transmission to appear white, but emit light yellow and are difficult to use. Therefore, a phosphorescent pigment a that emits blue-white light is used.
The phosphorescent pigment a is selected under these conditions, and zinc sulfide (ZnS series) or strontium aluminate (SrAl2O4 series) is used. In addition, it is appropriately selected from the types such as silicon-based, silicate aluminate mixed system, sulfide-based, and alkaline earth aluminate-based. All of these absorb light energy such as ultraviolet rays, convert them into visible light, and always emit light. Specifically, the phosphorescent pigment a emits light by converting near ultraviolet light having a wavelength of 315 nm to 400 nm into visible light having a wavelength of 410 nm to 650 nm.
Moreover, although the silane coupling agent b comes from various manufacturers, KBM3063 manufactured by Shin-Etsu Chemical Co., Ltd. is used here. This silane coupling agent b is transparent and water-resistant, and even if the phosphorescent pigment a powder is coated, the ability of phosphorescence and light emission is not diminished.
On the other hand, although the white fluorescent dye c has various grades, FZ-5009White manufactured by Kasei Shoji Co., Ltd. is suitable for this road marking paint.
さらに、増量添加剤eは、硫酸バリウム、シリコンパウダー及びガラスビーズの少なくとも1つを有しており、この増量添加剤eが添加されて道路標示塗料が造られる。 Furthermore, the extending additive e has at least one of barium sulfate, silicon powder, and glass beads, and the increasing additive e is added to make a road marking paint.
この道路標示塗料は、好ましい一例として、塗料の全体量に対して蓄光顔料aが5から30％であり、これをもとに増量添加剤eを50から79％、結合剤fを16から50％の割合で混合している。 As a preferable example of this road marking paint, phosphorescent pigment a is 5 to 30% based on the total amount of paint, and based on this, additive additive e is 50 to 79% and binder f is 16 to 50%. % Is mixed.
ここに、蓄光顔料aが5％以下では発光の能力が劣り、30％以上では塗料としての流動性がなくなり、製品ももろくなるので、この範囲を採用しない。 Here, when the phosphorescent pigment a is 5% or less, the light emission ability is inferior, and when it is 30% or more, the fluidity as a paint is lost and the product becomes brittle, so this range is not adopted.
具体的な道路標示塗料の製造方法は、まず、蓄光顔料(a)20％をミキサーに入れて混練しながらシランカップリング剤(b)KBM3063を5％混練しているミキサー中の蓄光顔料aに振りかけると、蓄光顔料aの表面に満遍なく付着して蓄光顔料aを水から守る薄膜を作る。
次いで、白い蛍光染料（c）FZ-5009Whiteを5％計量して混練しているミキサーの中に加えると、蓄光顔料aの表面に膜を作っている未硬化のシランカップリング剤bの表面に蛍光染料ｃが満遍なく付着する。これにより蓄光顔料aの表面を白い被膜で覆い、蓄光顔料aの薄黄色の地色を隠して白化した発光粒体Ｘが得られる。
この様に白化した発光粒体Ｘ30％を熱可塑性樹脂ｆであるエチレン酢酸ビニル共重合体ＥＶＡまたは炭化水素樹脂55％と共に二軸混練押出機へ入れて２００から２２０℃の範囲で加熱して液状化し、次いで必要に応じて50から100ミクロンのガラスビーズ１５％を順次加えて混練して道路標示塗料とする。
この道路標示塗料である混合物を二軸混練押出機に投入する。この二軸混練押出機には、末端に直径数ミリの孔のダイスが設けられており、混合物があたかも饂飩のように線状体とされた道路標示塗料として送り出され、適宜長さで切断して冷却させると蓄光性の溶融型道路標示塗料のマスターバッチペレットが造られる。このマスターバッチペレットは各粒とも各構成材料がほぼ均一な配合に混練されたものとなっており、収納、運搬、施工時の調合にそれぞれ適している。すなわち、このマスターバッチペレットは各粒とも各構成材料がほぼ均一な配合に混練されているため、どの施工された白色道路標示物Ｙでも発光粒体Ｘが均一に分散されている。
ここに白色道路標示物Ｙとは、道路区画線、センターライン、停止線、歩道などに施される道路白線や停止、徐行などの文字標示を意味する。
The specific road marking paint manufacturing method is as follows. First, the phosphorescent pigment (a) 20% is put into a mixer and kneaded while the silane coupling agent (b) KBM3063 is kneaded 5%. When sprinkled, a thin film that adheres evenly to the surface of phosphorescent pigment a and protects phosphorescent pigment a from water is created.
Next, when 5% of white fluorescent dye (c) FZ-5009White is weighed and added to the mixer, the surface of uncured silane coupling agent b that forms a film on phosphorescent pigment a is added. The fluorescent dye c adheres evenly. Thereby, the surface of the phosphorescent pigment a is covered with a white coating, and the luminous particles X that are whitened by concealing the pale yellow ground color of the phosphorescent pigment a are obtained.
The whitened luminescent particles X30% were put into a twin-screw kneading extruder together with 55% of ethylene vinyl acetate copolymer EVA as a thermoplastic resin f and heated in the range of 200 to 220 ° C. to be liquid. Then, if necessary, 15% glass beads of 50 to 100 microns are sequentially added and kneaded to obtain a road marking paint.
The mixture which is this road marking paint is put into a twin-screw kneading extruder. This twin-screw kneading extruder is provided with a die having a hole with a diameter of several millimeters at the end, and the mixture is fed as a road marking paint made into a linear body as if it is a cocoon, and cut at an appropriate length When cooled, master batch pellets of luminous melting road marking paint are made. Each master batch pellet is made by kneading each constituent material into a substantially uniform composition, and is suitable for storage, transportation, and preparation during construction. That is, since the constituent materials of the master batch pellets are kneaded in a substantially uniform composition, the luminous particles X are uniformly dispersed in any applied white road marking object Y.
Here, the white road sign Y means a road white line applied to road marking lines, center lines, stop lines, sidewalks, etc., and character marks such as stops and slow speeds.
図1のようにコンクリートあるいはアスファルトの道路Ｚに道路白線である白色道路標示物Ｙを施工する場合を説明する。 The case where the white road marking object Y which is a road white line is constructed to the concrete or asphalt road Z like FIG. 1 is demonstrated.
加熱溶融型道路線引機の溶融ポットに蓄光性の溶融型道路標示塗料のマスターバッチペレットを所定量計量して投入し、２００から２３０℃で加熱して溶融し液状化したものを道路Ｚ上の指定の場所に塗布して冷却固化させて道路白線Ｙを施工する。道路標示塗料やマスターバッチペレットの製造時、あるいはマスターバッチペレットを溶融するときの温度が蓄光顔料aの蓄光性を失う７００℃に達しないので、蓄光性、発光性に影響を与えない。 A predetermined amount of phosphorescent melt-type road marking paint master batch pellets is weighed into a melting pot of a heat-melting type road drawing machine, and is melted and liquefied by heating at 200 to 230 ° C. on road Z Apply to the designated place and solidify by cooling and construct the road white line Y. Since the temperature at the time of manufacturing the road marking paint and the master batch pellet or melting the master batch pellet does not reach 700 ° C. at which the phosphorescent pigment a loses the luminous property, the luminous property and luminous property are not affected.
この様に施工された道路白線である白色道路標示物Ｙは、昼間には、光エネルギーを蓄えると共に、蓄光顔料aが常時発光し、太陽光を受けて蛍光染料bが蛍光を発し、シリコンパウダー、ガラスビーズ等の増量添加剤eが反射光を発して十分に視認される。雨や散水により白色道路標示物Ｙが冠水していても自然光の反射光で白色道路標示物Ｙが視認できる。この発光輝度は、太陽光を受けての二次発光であるので、太陽光の反射による輝度のようにぎらぎら光って運転者に幻惑を与えることはない。
また、夜間には、仮に白色道路標示物Ｙが冠水していても蓄光顔料aが常時発光し、ヘッドライトの光線を受けた蛍光染料c及びガラスビーズdやシリコンパウダー、ガラス粉末等の増量添加剤eが反射光を発して十分に視認される。
以上のように、本発明の道路標示塗料を使用した白色道路標示物Ｙは、昼間でも夜でも冠水していてもいつでもドライバーに視認され、交通の安全が図れる。
The white road marking object Y, which is a road white line constructed in this way, stores light energy in the daytime, the phosphorescent pigment a always emits light, receives sunlight and the fluorescent dye b emits fluorescence, silicon powder Further, the additive e such as glass beads emits reflected light and is sufficiently visible. Even if the white road sign Y is flooded due to rain or watering, the white road sign Y can be visually recognized by reflected light of natural light. Since this light emission luminance is secondary light emission upon receiving sunlight, it does not illuminate the driver by glare like the luminance due to the reflection of sunlight.
Also, at night, phosphorescent pigment a always emits light even if white road marking object Y is submerged, and increased addition of fluorescent dye c and glass beads d, silicon powder, glass powder, etc. that received the light of the headlight. The agent e emits reflected light and is sufficiently visible.
As described above, the white road marking object Y using the road marking paint of the present invention is visible to the driver at any time, whether it is flooded in the daytime or at night, and traffic safety can be achieved.
本発明に係る道路標示塗料、マスターバッチペレット及び白色道路標示物は、道路のセンターライン、測線、区分規制線、横断歩道の標示、停止線などに使用でき、それぞれの国の規制に会わせて世界中で適用することが出来る。 The road marking paint, master batch pellets and white road markings according to the present invention can be used for road centerlines, survey lines, division regulation lines, pedestrian crossing markings, stop lines, etc., and meet the regulations of each country. It can be applied all over the world.
Ｘ：発光粒体
Ｙ：白色道路標示物（道路白線）
Ｚ：道路（コンクリート又はアスファルト）
a：蓄光顔料
b：シランカップリング剤
c：蛍光染料
d：ガラス粉末
e：増量添加剤
ｆ：熱可塑性樹脂（結合剤）
X: Luminescent particles Y: White road marking (road white line)
Z: Road (concrete or asphalt)
a: Luminescent pigment
b: Silane coupling agent
c: Fluorescent dye
d: Glass powder
e: Additive additive f: Thermoplastic resin (binder)
Claims (6)
前記熱可塑性樹脂は、エチレン酢酸ビニル共重合体または炭化水素樹脂であることを特徴とする道路標示塗料。 In the road marking paint according to claim 1,
The road marking paint, wherein the thermoplastic resin is an ethylene vinyl acetate copolymer or a hydrocarbon resin.
前記増量添加剤は、硫酸バリウム、シリコンパウダー及びガラスビーズの少なくとも1つを有していることを特徴とする道路標示塗料。 In the road marking paint according to claim 1 or 2,
The road marking paint characterized in that the increasing additive has at least one of barium sulfate, silicon powder, and glass beads.
前記蓄光顔料を5％から30％、前記増量添加剤を50％から79％、結合剤を16％から50％を混合したことを特徴とする道路標示塗料。 In the road marking paint according to any one of claims 1 to 3,
A road marking paint comprising 5 to 30% of the phosphorescent pigment, 50 to 79% of the extender additive, and 16 to 50% of a binder.
A white road marking object characterized in that the master batch pellet according to claim 5 is weighed and melted and applied to a specified place on a road to be cooled and solidified.
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| WO2018206584A1 (en) | 2017-05-08 | 2018-11-15 | Strabag Sp. Z O.O. | A method for producing a luminescent pavement, a lacquered luminescent aggregate and the use of the lacquered luminescent aggregate |
| KR102299104B1 (en) * | 2020-09-25 | 2021-09-07 | (주)썬레이텍 | Composition for coating radiant heat panel comprising heated meneral and radiant heat panel manufactrured by using the same |
| KR102414488B1 (en) * | 2022-02-11 | 2022-06-29 | (주)애니우드 | Deck structure having non-slip function |
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