JP2010254884A - Road coating material and method for coating - Google Patents
Road coating material and method for coating Download PDFInfo
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- JP2010254884A JP2010254884A JP2009108912A JP2009108912A JP2010254884A JP 2010254884 A JP2010254884 A JP 2010254884A JP 2009108912 A JP2009108912 A JP 2009108912A JP 2009108912 A JP2009108912 A JP 2009108912A JP 2010254884 A JP2010254884 A JP 2010254884A
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Landscapes
- Road Repair (AREA)
- Road Signs Or Road Markings (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
Description
本発明は、交差点周辺や歩道、自転車道等の車線のカラー塗装による区分、その他路面の標示や色分け等に好適な路面塗装材に関する。 The present invention relates to road surface coating materials suitable for classification by color painting of lanes such as intersections, sidewalks, and bicycle paths, and other road markings and color coding.
近年、交通安全や交通の円滑化のため、交差点周辺、バスレーン、通学路、歩道および自転車道等の路面をカラー標示または塗装し、視覚に訴えることにより、区分するという対策が増加しつつある。 In recent years, for the purpose of traffic safety and smooth traffic, measures to classify road surfaces such as intersections, bus lanes, school roads, sidewalks, and bicycle roads by color marking or painting and appealing visually are increasing.
上記のような路面のカラー標示（塗装）においては、樹脂バインダや人工アスファルトに着色骨材を混入させた塗料を路面に塗布する方法、あるいはまた、樹脂バインダや人工アスファルトを路面に塗布した後、着色骨材を散布する方法が、従来から知られている。 In the road surface color marking (painting) as described above, a method in which a colored binder is mixed with a resin binder or artificial asphalt is applied to the road surface, or alternatively, after a resin binder or artificial asphalt is applied to the road surface, A method of spraying colored aggregate is conventionally known.
例えば、特許文献１には、交差点や分岐点におけるカラー路面による進路標示において、色彩を付与する有色骨材と、さらに、ガラスビーズ等の光反射性等を有する骨材を用いることが記載されている。
上記のようなカラー塗装材において用いられるガラスビーズは、特に、夜間において、塗膜表面に露出しているガラスビーズによる自動車のヘッドライトの光の再帰反射機能によって、路面標示をドライバーに視認させる役割を担うものである。
For example, Patent Document 1 describes the use of a colored aggregate that imparts a color and an aggregate having light reflectivity such as glass beads in a course marking on a color road surface at an intersection or a branch point. Yes.
The glass beads used in the above-mentioned color coating materials play a role in allowing drivers to visually recognize road markings by retroreflecting the light of automobile headlights with the glass beads exposed on the coating surface, especially at night. Is responsible for.
しかしながら、上記のような着色骨材やガラスビーズを用いた路面塗装では、夜間におけるカラー標示の視認性が必ずしも十分とは言えず、その色相の判別が困難となる場合もあった。 However, in the road surface coating using colored aggregates and glass beads as described above, the visibility of the color marking at night is not always sufficient, and it may be difficult to distinguish the hue.
また、路面塗装は、その塗膜表面が十分なすべり抵抗を有し、路面が濡れている場合においても、塗装面上を通過またはその上で停止する自動車等がスリップすることなく、安全走行可能であることが求められる。
しかしながら、路面塗装に用いられる前記ガラスビーズは、ほぼ真球状の粒体であり、路面標示の塗膜表面に露出しているガラスビーズの粒径や配合量によっては、十分なすべり抵抗が得られない場合もあった。
In addition, road surface coating has a sufficient slip resistance on the coating surface, and even when the road surface is wet, it can safely run without slipping a car that passes over or stops on the painted surface. It is required to be.
However, the glass beads used for the road surface coating are almost spherical particles, and depending on the particle size and blending amount of the glass beads exposed on the surface of the road marking film, sufficient slip resistance can be obtained. There was no case.
また、所望のカラー標示のための着色骨材以外に混入または散布される骨材として、有色骨材が用いられている場合は、その有色骨材自体の色によって、着色骨材による路面塗装生地の色相や彩度、明度がぼやけやすく、該カラー塗装面が色覚に訴える程度が低下し、この場合も、カラー標示の視認性は十分とは言えなかった。 In addition, when colored aggregate is used as an aggregate to be mixed or dispersed in addition to the colored aggregate for the desired color marking, the road surface painted fabric with the colored aggregate depends on the color of the colored aggregate itself. The hue, saturation, and lightness of the color coating surface are easily blurred, and the degree to which the color coating surface appeals to color vision is reduced. In this case, the visibility of the color marking is not sufficient.
したがって、カラー塗装された路面において、夜間でも、自動車のヘッドライトの光のみならず、周囲のわずかな街灯による光によっても、色相の視認性に優れ、より目立つことが求められ、かつ、十分なすべり抵抗が得られ、しかも、容易で短時間での塗装施工が可能な塗装材の開発が望まれていた。 Therefore, on the color painted road surface, it is required to be excellent in visibility of hue and more conspicuous not only by the light of the headlights of automobiles but also by the light of the surrounding streetlights at night. It has been desired to develop a coating material that can provide slip resistance and can be applied easily and in a short time.
本発明は、上記技術的課題を解決するためになされたものであり、昼夜を問わず、視認性の向上を図ることができ、かつ、すべり抵抗にも優れた路面塗装材および塗装方法を提供することを目的とするものである。 The present invention has been made to solve the above technical problem, and provides a road surface coating material and a coating method capable of improving visibility regardless of day and night and having excellent slip resistance. It is intended to do.
本発明に係る路面塗装材は、合成樹脂を１０〜３０重量％、体質材を４０〜７０重量％、白色アルミナ粉を含む骨材およびガラスビーズを合計１５〜３５重量％含有し、前記アルミナ粉と前記ガラスビーズとが重量比３〜１５：１で配合されていることを特徴とする。
このように、白色アルミナ粉とガラスビーズを所定量配合することにより、塗装面の視認性の向上を図ることができ、かつ、優れたすべり抵抗も得ることができる。
The road surface coating material according to the present invention contains 10 to 30% by weight of a synthetic resin, 40 to 70% by weight of an extender, 15 to 35% by weight in total of aggregates and glass beads containing white alumina powder, and the alumina powder And the glass beads are blended in a weight ratio of 3 to 15: 1.
Thus, by blending a predetermined amount of white alumina powder and glass beads, the visibility of the painted surface can be improved, and excellent slip resistance can be obtained.
前記路面塗装材においては、前記アルミナが白色溶融アルミナであることが好ましい。
特に、カラー塗装材の場合に、その色相の視認性を妨げることがなく、光を反射することができ、塗装面をより目立たせる上で好適である。
In the road surface coating material, the alumina is preferably white fused alumina.
In particular, in the case of a color coating material, light can be reflected without hindering the visibility of the hue, which is suitable for making the painted surface more conspicuous.
また、本発明に係る路面塗装方法は、合成樹脂を１０〜３０重量％、体質材を４０〜７０重量％、骨材を１５〜２５重量％含有する路面用塗料を塗布した後、白色アルミナ粉とガラスビーズとの重量比３〜１５：１の混合物からなる散布材を散布して、前記散布材を前記塗料の塗膜表面に固着させることを特徴とする。
このような散布材を、塗膜上に後から散布することによっても、塗装面を光により反射させて目立たせ、視認性の向上を図ることができ、かつ、優れたすべり抵抗も得ることができる。
Moreover, the road surface coating method according to the present invention comprises applying a road surface paint containing 10 to 30% by weight of a synthetic resin, 40 to 70% by weight of an extender, and 15 to 25% by weight of an aggregate, and then white alumina powder. A spraying material made of a mixture of 3 to 15: 1 by weight with glass beads is sprayed to fix the spraying material to the coating film surface of the paint.
By spreading such a spraying material on the coating film later, it is possible to make the painted surface stand out by reflecting it with light, to improve visibility, and to obtain excellent slip resistance. it can.
前記路面塗装方法においては、前記路面塗装材と同様に、前記アルミナが白色溶融アルミナであることが好ましい。 In the said road surface coating method, it is preferable that the said alumina is white fused alumina similarly to the said road surface coating material.
本発明によれば、昼夜を問わず、視認性の向上を図ることができ、かつ、すべり抵抗にも優れた路面塗装材および塗装方法を提供することができる。特に、カラー塗装材においては、わずかな光でも、塗装面の色相の視認性も向上させることができ、しかも、その塗装面の反射効果によって、より目立たせることができる。
したがって、本発明による路面塗装は、車歩道の分離のない道路における歩行者通行帯や自転車通行帯、細街路等の交差点内または進入部、事故危険箇所等の急カーブ部分、サイクリングロードや公園内の遊歩道等にも好適に適用することができる。
According to the present invention, it is possible to provide a road surface coating material and a coating method that can improve visibility regardless of day and night and are excellent in slip resistance. In particular, in a color coating material, the visibility of the hue of the painted surface can be improved even with a slight amount of light, and it can be made more conspicuous by the reflection effect of the painted surface.
Therefore, the road surface painting according to the present invention can be applied to pedestrian and bicycle lanes on roads without separation of the sidewalks, intersections or entrances such as narrow streets, sharply curved parts such as accident risk points, cycling roads and parks. The present invention can also be suitably applied to a promenade, etc.
以下、本発明を、より詳細に説明する。
本発明に係る路面塗装材は、合成樹脂を１０〜３０重量％、体質材を４０〜７０重量％、白色アルミナ粉を含む骨材およびガラスビーズを合計１５〜３５重量％含有しているものである。そして、前記アルミナ粉と前記ガラスビーズとの配合比が重量比で３〜１５：１であることを特徴としている。
このように、本発明に係る路面塗装材は、溶融型塗料であって、白色アルミナ粉とガラスビーズを所定量配合することにより、塗装面の視認性の向上を図ることができ、かつ、優れたすべり抵抗も得ることができる。
Hereinafter, the present invention will be described in more detail.
The road surface coating material according to the present invention contains 10 to 30% by weight of a synthetic resin, 40 to 70% by weight of an extender, and 15 to 35% by weight of aggregate containing white alumina powder and glass beads. is there. And the compounding ratio of the said alumina powder and the said glass bead is 3-15: 1 by weight ratio, It is characterized by the above-mentioned.
Thus, the road surface coating material according to the present invention is a melt-type paint, and by blending a predetermined amount of white alumina powder and glass beads, the visibility of the painted surface can be improved and is excellent. Slip resistance can also be obtained.
前記白色アルミナ粉は、高強度、高硬度であり、優れた骨材成分であるとともに、本発明においては、反射材としての役割も担うものである。すなわち、塗装面に露出しているアルミナは、太陽光や車のヘッドライトの光を鏡面反射するため、塗装面から離れた位置の周囲における視認性を向上させる効果を有する。 The white alumina powder has high strength and high hardness, is an excellent aggregate component, and also plays a role as a reflector in the present invention. That is, the alumina exposed on the painted surface mirror-reflects sunlight and the light of the headlight of the car, and thus has an effect of improving the visibility around the position away from the painted surface.
前記アルミナ粉は、白色溶融アルミナであることが好ましい。特に、高純度であることから、電融アルミナを粉砕して得られた粉末であることが好ましい。
高純度の白色アルミナ粉は、キラキラとした光沢を有した粉末であり、特に、カラー塗装材においては、その色相の視認性を妨げることがなく、光を反射するため好ましい。
The alumina powder is preferably white fused alumina. In particular, it is preferably a powder obtained by pulverizing electrofused alumina because of its high purity.
High-purity white alumina powder is a powder having a shiny luster, and is particularly preferable for a color coating material because it reflects light without impeding the visibility of its hue.
前記アルミナ粉の粒径は、０．１〜２ｍｍであることが好ましい。
前記粒径が０．１ｍｍ未満である場合は、十分なすべり抵抗および反射効果が得られない。一方、前記粒径が２ｍｍを超える場合は、塗装面が粗面化し、また、露出しているアルミナ粉が離脱しやすい。さらに、粒子が大きすぎて、塗装施工機への負担も大きく、好ましくない。
The particle size of the alumina powder is preferably 0.1 to 2 mm.
When the particle size is less than 0.1 mm, sufficient slip resistance and reflection effect cannot be obtained. On the other hand, when the particle size exceeds 2 mm, the coated surface becomes rough and the exposed alumina powder is easily detached. Furthermore, since the particles are too large, the burden on the coating machine is large, which is not preferable.
また、このようなアルミナ粉は、アルミナ塊を粉砕した後、篩い分けすることにより得られるものであり、ガラスビーズのように球状ではなく、角を有する粉末である。
したがって、塗装面の表面に露出しているアルミナ粉によって、塗装面が濡れた場合であっても、すべり抵抗が得られ、また、塗装面から脱落しにくいという利点を有している。
Moreover, such an alumina powder is obtained by pulverizing an alumina lump and then sieving, and is not a spherical shape like glass beads but a horned powder.
Therefore, even when the painted surface is wetted by the alumina powder exposed on the surface of the painted surface, there is an advantage that slip resistance can be obtained and it is difficult to drop off from the painted surface.
一方、前記ガラスビーズも、塗装面の反射材としての役割を果たすものであるが、特に、夜間に自動車のヘッドライトの光の再帰反射機能によって、路面標示をドライバーに視認させることができ、自動車の安全走行に寄与し得るものである。
すなわち、塗膜表面に露出しているガラスビーズは、その再帰反射効果を利用して反射輝度を高め、塗装面の視認性を向上させるために配合される。
On the other hand, the glass beads also serve as a reflective material for the painted surface, and in particular, the road marking can be made visible to the driver by the retroreflection function of the light of the headlight of the automobile at night. Can contribute to safe driving.
That is, the glass beads exposed on the coating film surface are blended in order to increase the reflection luminance by utilizing the retroreflection effect and improve the visibility of the painted surface.
前記ガラスビーズとしては、通常用いられる、ＪＩＳ Ｒ３３０１ １号の規格品である路面標示塗料用ガラスビーズを使用することができるが、これに限定されるものではない。屈折率１．５〜２．０、粒径０．１〜２ｍｍの範囲にあり、真球度が高く、異形混入率が低いガラスビーズを用いることが好ましい。
前記屈折率が１．５未満である場合、塗膜表面が冠水した場合、十分な視認性が得られない。一方、前記屈折率が２．０を超えると、効率的な再帰反射効果が得られない。
また、前記ガラスビーズの粒径が０．１ｍｍ未満である場合、該ガラスビーズは塗膜中に埋没しやすいため、再帰反射効果が十分に得られない。一方、２ｍｍを超える場合、塗膜表面への露出表面積は大きくなるが、すべり抵抗を低下させるおそれがある。
As the glass bead, a glass bead for road marking paint, which is a standard product of JIS R3301, can be used, but it is not limited to this. It is preferable to use glass beads having a refractive index of 1.5 to 2.0 and a particle size of 0.1 to 2 mm, a high sphericity, and a low irregularity mixture rate.
When the refractive index is less than 1.5, sufficient visibility cannot be obtained when the coating film surface is submerged. On the other hand, if the refractive index exceeds 2.0, an efficient retroreflection effect cannot be obtained.
In addition, when the particle size of the glass beads is less than 0.1 mm, the glass beads are easily embedded in the coating film, so that the retroreflection effect cannot be sufficiently obtained. On the other hand, when it exceeds 2 mm, the exposed surface area on the coating film surface is increased, but the slip resistance may be reduced.
また、前記ガラスビーズの材質は、シリカ以外に、チタン、バリウム、カルシウム、ストロンチウム、マグネシウム、亜鉛、鉛、カドミウム、ジルコニウム、ナトリウム、カリウム、リチウム、コバルト、アルミニウム等の金属またはこれらの金属酸化物を含んでいてもよい。 In addition to silica, the material of the glass beads may be a metal such as titanium, barium, calcium, strontium, magnesium, zinc, lead, cadmium, zirconium, sodium, potassium, lithium, cobalt, aluminum, or a metal oxide thereof. May be included.
前記アルミナ粉と前記ガラスビーズの塗装材中の配合比は、重量比で３〜１５：１であり、前記アルミナ粉を含む骨材と前記ガラスビーズとの合計配合量は１５〜３５重量％であることが好ましい。
前記アルミナ粉の配合比（重量比）がガラスビーズの３倍未満である場合、白色アルミナ粉特有のキラキラとした鏡面反射により塗装面を目立たせる効果およびすべり抵抗値が十分に得られない。一方、前記アルミナ粉の配合比（重量比）がガラスビーズの１５倍を超える場合、アルミナ粉により、ガラスビーズの特性である再帰反射効果が抑制されることとなる。
前記配合比は、重量比で４〜９：１であることがより好ましい。
The blending ratio of the alumina powder and the glass beads in the coating material is 3 to 15: 1 by weight, and the total blending amount of the aggregate containing the alumina powder and the glass beads is 15 to 35% by weight. Preferably there is.
When the blending ratio (weight ratio) of the alumina powder is less than 3 times that of the glass beads, the effect of conspicuous the painted surface and the slip resistance value due to the specular reflection unique to the white alumina powder cannot be obtained. On the other hand, when the blending ratio (weight ratio) of the alumina powder exceeds 15 times that of the glass beads, the retroreflective effect, which is a characteristic of the glass beads, is suppressed by the alumina powder.
The blending ratio is more preferably 4 to 9: 1 by weight.
また、前記合計配合量が１５重量％未満の場合、塗装面の鏡面反射効果および再帰反射効果、すべり抵抗が十分に得られない。一方、前記合計配合量が３５重量％を超える場合、塗膜の耐剥離性、耐クラック性が低下し、また、塗膜表面に露出するガラスビーズの割合が大きくなりすぎ、すべり抵抗が低下する。
前記合計配合量は、より好ましくは、１５〜２５重量％である。
Moreover, when the said total compounding quantity is less than 15 weight%, the mirror-reflection effect of a coating surface, a retroreflection effect, and slip resistance cannot fully be obtained. On the other hand, when the total blending amount exceeds 35% by weight, the peel resistance and crack resistance of the coating film are lowered, and the ratio of the glass beads exposed on the coating film surface becomes too large, and the slip resistance is lowered. .
The total blending amount is more preferably 15 to 25% by weight.
上記のように、本発明に係る路面塗装材は、溶剤を含まない、速乾性に優れた溶融型塗料であり、合成樹脂、体質材、アルミナ粉以外の骨材には、一般的に用いられているものを使用することができる。
具体的には、合成樹脂としては、石油樹脂、ロジンおよびその誘導体、テルペン樹脂、ポリアミド樹脂、ポリエステル樹脂等が挙げられ、これらは、単独でまたは混合して用いることができる。これらのうちでも、軟化点が９０〜１３０℃であることが好ましく、より好ましくは、９５〜１２５℃である。
また、可塑剤として、フタル酸エステル類、植物油、鉱物油、植物油変性アルキド樹脂、エポキシ化油、液状の合成ゴム類等を添加することが好ましい。なお、こられの可塑剤は、種類によっては、前記合成樹脂の分類に含まれる場合もある。
As described above, the road surface coating material according to the present invention is a melt-type coating material that does not contain a solvent and has excellent quick drying properties, and is generally used for aggregates other than synthetic resins, extenders, and alumina powder. You can use what you have.
Specific examples of the synthetic resin include petroleum resins, rosin and derivatives thereof, terpene resins, polyamide resins, polyester resins, and the like, and these can be used alone or in combination. Among these, it is preferable that a softening point is 90-130 degreeC, More preferably, it is 95-125 degreeC.
Moreover, it is preferable to add phthalic acid esters, vegetable oils, mineral oils, vegetable oil-modified alkyd resins, epoxidized oils, liquid synthetic rubbers and the like as plasticizers. These plasticizers may be included in the classification of the synthetic resin depending on the type.
前記合成樹脂（可塑剤も含む）の配合量は、１０〜３０重量％であることが好ましい。
前記配合量が１０重量％未満の場合、塗装材の粘性が不十分となる。一方、３０重量％を超える場合、塗装材の乾燥性や防汚性が低下しやすくなる。
前記配合量は、より好ましくは、１５〜２５重量％である。
The blending amount of the synthetic resin (including the plasticizer) is preferably 10 to 30% by weight.
When the blending amount is less than 10% by weight, the viscosity of the coating material becomes insufficient. On the other hand, when it exceeds 30% by weight, the drying property and antifouling property of the coating material tend to be lowered.
The blending amount is more preferably 15 to 25% by weight.
また、前記体質材としては、例えば、炭酸カルシウム、タルク、硅石粉等が挙げられ、これらは、単独でまたは混合して用いることができ、充填材とも呼ばれる。
前記体質材の配合量は、前記塗装材中４０〜７０重量％であることが好ましい。
前記配合量が４０重量％未満の場合、塗膜の十分な機械的強度、耐摩耗性が得られない。一方、前記配合量が７０重量％を超える場合、塗布材の流動性、混練性等が低下する。
前記配合量は、より好ましくは、４５〜６５重量％である。
Examples of the extender include calcium carbonate, talc, and meteorite powder. These can be used alone or in combination, and are also referred to as fillers.
The amount of the extender is preferably 40 to 70% by weight in the coating material.
When the blending amount is less than 40% by weight, sufficient mechanical strength and abrasion resistance of the coating film cannot be obtained. On the other hand, when the said compounding quantity exceeds 70 weight%, the fluidity | liquidity of a coating material, kneadability, etc. will fall.
The blending amount is more preferably 45 to 65% by weight.
また、前記骨材としては、前記アルミナ粉以外には、例えば、着色磁器質骨材、人工焼成骨材、珪石等の天然硬質骨材等が挙げられ、これらは、単独でまたは混合して用いることができる。
前記骨材は、必要に応じて、顔料等の着色剤により予め着色しておいてもよく、あるいはまた、別途、着色顔料を添加することにより、カラー塗装材として構成してもよい。
In addition to the alumina powder, examples of the aggregate include colored porcelain aggregates, artificial sintered aggregates, natural hard aggregates such as quartzite, and the like, which are used alone or in combination. be able to.
The aggregate may be pre-colored with a colorant such as a pigment, if necessary, or may be configured as a color coating material by separately adding a color pigment.
さらに、本発明に係る路面塗装材には、その他、求められる用途や施工性に応じて、一般の溶融型路面塗装材に用いられているものと同様の沈降防止剤、流動調整剤、防汚材等の添加剤を適宜添加することができる。
なお、本発明に係る路面塗装材中の配合組成においては、合成樹脂、体質材、骨材、添加剤の分類、帰属は、厳密に区別されるものではなく、各材料の性能や機能によって変動する場合がある。
Furthermore, the road surface coating material according to the present invention has other anti-settling agents, flow control agents, antifouling agents similar to those used for general melt-type road surface coating materials, depending on the required application and workability. Additives such as materials can be added as appropriate.
In addition, in the compounding composition in the road surface coating material according to the present invention, the classification and attribution of the synthetic resin, the extender material, the aggregate, and the additive are not strictly distinguished and vary depending on the performance and function of each material. There is a case.
また、本発明に係る路面塗装方法は、合成樹脂を１０〜３０重量％、体質材を４０〜７０重量％、骨材を１５〜３５重量％含有する路面用塗料を塗布した後、白色アルミナ粉とガラスビーズとの重量比３〜１５：１の混合物からなる散布材を散布して、前記散布材を前記塗料の塗膜表面に固着させるものである。
すなわち、上述した本発明に係る塗装材は、アルミナ粉およびガラスビーズを予め所定量混合しておいたものであるのに対して、この塗装方法は、塗膜上に、後からアルミナ粉およびガラスビーズを散布するものである。
このような塗装方法によれば、塗膜表面に所望量のアルミナ粉およびガラスビーズを露出させることができ、施工も容易であるという利点を有している。
Further, the road surface coating method according to the present invention comprises applying a road surface paint containing 10 to 30% by weight of a synthetic resin, 40 to 70% by weight of an extender and 15 to 35% by weight of an aggregate, and then white alumina powder. A spraying material made of a mixture of 3 to 15: 1 by weight with glass beads is sprayed to fix the spraying material to the coating film surface of the paint.
That is, the coating material according to the present invention described above is a mixture of alumina powder and glass beads previously mixed in a predetermined amount. Disperse beads.
According to such a coating method, a desired amount of alumina powder and glass beads can be exposed on the surface of the coating film, and the construction is easy.
この塗装方法に用いられる塗料は、合成樹脂を１０〜３０重量％、体質材を４０〜７０重量％、骨材を１５〜３５重量％含有するものであり、これらの具体的な材料および配合については、上述した、アルミナ粉およびガラスビーズが予め所定量混合された本発明に係る塗装材と同様である。
ただし、骨材の配合量は、アルミナ粉およびガラスビーズを塗膜上に後から散布することを考慮して、上述した本発明に係る塗装材中の骨材とガラスビーズとの合計配合量である１５〜３５重量％よりも少ない、１５〜２５重量％の範囲内であってもよい。
The paint used in this coating method contains 10 to 30% by weight of a synthetic resin, 40 to 70% by weight of an extender, and 15 to 35% by weight of an aggregate. Is the same as the above-described coating material according to the present invention in which a predetermined amount of alumina powder and glass beads are mixed in advance.
However, the amount of aggregate is the total amount of aggregate and glass beads in the coating material according to the present invention described above, considering that alumina powder and glass beads are later sprayed onto the coating film. It may be in the range of 15-25% by weight, less than some 15-35% by weight.
また、前記散布材のアルミナ粉とガラスビーズの具体的構成も、上述した本発明に係る塗装材中のものと同様であり、また、散布材中の混合比も、上記の本発明に係る塗装材中の配合比と同様に、重量比で３〜１５：１であることが好ましい。また、前記アルミナにも、白色電融アルミナを用いることが好ましい。
このような散布材を用いることにより、塗装面を光により反射させて目立たせ、視認性の向上を図ることができ、かつ、優れたすべり抵抗も得ることができる。
Further, the specific structure of the alumina powder and glass beads of the spraying material is the same as that in the coating material according to the present invention described above, and the mixing ratio in the spraying material is also the coating according to the present invention described above. Similar to the compounding ratio in the material, the weight ratio is preferably 3 to 15: 1. Moreover, it is preferable to use white electrofused alumina as the alumina.
By using such a spraying material, it is possible to make the painted surface stand out by reflecting it with light, to improve visibility, and to obtain excellent slip resistance.
前記散布材の散布量は、０．６〜１．１ｋｇ／ｍ2であることが好ましく、より好ましくは、０．７５〜０．９２ｋｇ／ｍ2である。
前記散布量が０．６ｋｇ／ｍ2未満の場合、塗膜表面に露出したアルミナ粉とガラスビーズとによる上述したような塗装面の視認性向上およびすべり抵抗が十分に得られない。一方、１．１ｋｇ／ｍ2を超えても、塗装面のそれ以上の視認性向上効果は得られず、また、散布材の固着率が低下する。
Spraying amount of the spraying material is preferably 0.6~1.1kg / m 2, more preferably 0.75~0.92kg / m 2.
Wherein when the scattering amount is less than 0.6 kg / m 2, the visibility of the coated surface as described above according to the alumina powder and glass beads exposed on the coating surface improves and the slip resistance can not be obtained sufficiently. On the other hand, even if it exceeds 1.1 kg / m < 2 >, the further visibility improvement effect of the coating surface is not acquired, and the sticking rate of a spreading material falls.
なお、本発明に係る塗布方法は、アルミナ粉および／またはガラスビーズを予め配合した塗料に適用してもよい。すなわち、本発明に係る塗布方法には、上述したような本発明に係る塗装材組成の路面用塗料を塗布した後、その塗膜上に、前記散布材を散布するような方法も含まれる。 In addition, you may apply the coating method which concerns on this invention to the coating material which mix | blended the alumina powder and / or the glass bead beforehand. That is, the coating method according to the present invention includes a method in which the above-mentioned spraying material is sprayed on the coating film after the road surface paint having the coating material composition according to the present invention as described above is applied.
本発明に係る路面塗装材または塗装方法を用いた施工は、一般的に行われているスリット式やスプレ式、溶融噴射式により行うことができるが、特に、溶融噴射式で行うことが好ましい。例えば、プライマー塗布等により下地処理した路面に、溶解釜で１７０〜２１０℃程度で溶融した塗料を、溶融噴射式施工機で、塗膜厚さ１．５〜２．５ｍｍ程度に塗布する。
上記のような方法により塗布した後、前記散布材を散布する場合には、塗膜が未固化のうちに、塗膜上に散布し、冷却中に散布材を塗膜表面に固着させる。
The construction using the road surface coating material or the coating method according to the present invention can be performed by a generally performed slit type, spray type, or melt injection type, and is particularly preferably performed by a melt injection type. For example, a paint melted at about 170 to 210 ° C. with a melting pot is applied to a road surface that has been ground-treated by primer application or the like with a melt jet type construction machine to a coating thickness of about 1.5 to 2.5 mm.
When the above-mentioned spraying material is sprayed after coating by the above method, the coating material is sprayed on the coating film while it is not solidified, and the spraying material is fixed to the coating film surface during cooling.
上記のような本発明による路面塗装の適用箇所としては、例えば、車歩道の分離のない道路における歩行者通行帯や自転車通行帯、細街路等の交差点内または進入部、事故危険箇所等の急カーブ部分、サイクリングロードや公園内の遊歩道等が挙げられる。特に、通行者、ドライバー等に対する視覚による注意喚起、安全性の向上を図る上で、これらのカラー路面塗装による通行区分に好適である。
また、その他の路面の標示や色分け等にも適用することができる。
Examples of the places where the road surface coating according to the present invention as described above is applied include, for example, a pedestrian lane, a bicycle lane, a narrow street, etc. Examples include curved parts, cycling roads, and promenades in the park. In particular, it is suitable for traffic classification by these color road surface paintings in order to alert the passersby, drivers, etc. visually and improve safety.
It can also be applied to other road markings and color coding.
以下、本発明を実施例に基づきさらに具体的に説明するが、本発明は下記実施例により制限されるものではない。
［実施例１］
下記表１に示すような配合組成からなる路面用カラー塗料（緑）を調製した。前記カラー塗料（顔料配合量１％）中の含有骨材の組成は、白色アルミナ粉（粒径０．５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝３：１（重量比）とした。
このカラー塗料を路面に厚さ１．７ｍｍで塗布した後、白色アルミナ粉（粒径０．１５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝５：１（重量比）の混合物からなる散布材を０．８４ｋｇ／ｍ2散布して、前記カラー塗料塗布面に固着させた。
EXAMPLES Hereinafter, although this invention is demonstrated more concretely based on an Example, this invention is not restrict | limited by the following Example.
[Example 1]
A road surface color paint (green) having a composition as shown in Table 1 below was prepared. The composition of the aggregate contained in the color paint (pigment content 1%) is white alumina powder (particle size 0.5 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5) = The ratio was 3: 1 (weight ratio).
After applying this color paint to the road surface with a thickness of 1.7 mm, white alumina powder (particle size 0.15 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5) = 5: 1 the diffuser made of a mixture 0.84 kg / m 2 sprayed to the (weight ratio), was fixed on the color paint application surface.
［実施例２］
下記表１に示すような配合組成からなる路面用カラー塗料（青）を調製した。前記カラー塗料（顔料配合量１％）中の含有骨材の組成は、白色アルミナ粉（粒径０．５〜１．０ｍｍ）：ガラスビーズ（粒径５００〜１１８０μｍ、屈折率１．５）＝５：１（重量比）とした。
このカラー塗料を路面に厚さ１．７ｍｍで塗布した後、白色アルミナ粉（粒径０．１５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝５：１（重量比）の混合物からなる散布材を０．８４ｋｇ／ｍ2散布して、前記カラー塗料塗布面に固着させた。
[Example 2]
A road surface color paint (blue) having a composition as shown in Table 1 below was prepared. The composition of the aggregate contained in the color paint (pigment blending amount 1%) is white alumina powder (particle size 0.5 to 1.0 mm): glass beads (particle size 500 to 1180 μm, refractive index 1.5) = The ratio was 5: 1 (weight ratio).
After this color paint was applied to the road surface with a thickness of 1.7 mm, white alumina powder (particle size 0.15 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5) = 5: 1 A spray material made of a mixture of (weight ratio) was sprayed at 0.84 kg / m 2 and fixed to the color coating surface.
［実施例３］
下記表１に示すような配合組成からなる路面用カラー塗料（ベンガラ）を調製した。前記カラー塗料（顔料配合量２％）中の含有骨材の組成は、白色アルミナ粉（粒径０．５〜１．０ｍｍ）：ガラスビーズ（粒径５００〜１１８０μｍ、屈折率１．５）＝３：１（重量比）とした。
このカラー塗料を路面に厚さ１．７ｍｍで塗布した後、白色アルミナ粉（粒径０．１５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝５：１（重量比）の混合物からなる散布材を０．８４ｇ／ｍ2散布して、前記カラー塗料塗布面に固着させた。
[Example 3]
A road surface color paint (Bengara) having a composition as shown in Table 1 below was prepared. The composition of the aggregate contained in the color paint (pigment content 2%) is white alumina powder (particle size 0.5 to 1.0 mm): glass beads (particle size 500 to 1180 μm, refractive index 1.5) = The ratio was 3: 1 (weight ratio).
After this color paint was applied to the road surface with a thickness of 1.7 mm, white alumina powder (particle size 0.15 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5) = 5: 1 A spray material made of a mixture (weight ratio) was sprayed at 0.84 g / m 2 and fixed to the color coating surface.
［実施例４〜６］
上記実施例１〜３と同様の路面用塗料を用い、散布材の配合比を白色アルミナ粉（粒径０．１５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝１０：１（重量比）に変えて、それ以外については、それぞれ、実施例１〜３と同様にして、路面塗装を行った。
[Examples 4 to 6]
Using the same road surface paint as in Examples 1 to 3 above, the mixing ratio of the spraying material was white alumina powder (particle size 0.15 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5). ) = 10: 1 (weight ratio), except that road surface coating was performed in the same manner as in Examples 1 to 3, respectively.
［比較例１〜３］
下記表１に示すような配合組成からなる路面用カラー塗料（緑、青、ベンガラ）を調製した。
これらの各塗料を路面に塗布した後、散布材としてシリカ粉（粒径０．１５〜０．３５ｍｍ）を０．５６ｋｇ／ｍ2散布して、前記塗料塗布面に固着させた。
なお、散布材の量は、実施例１〜６における散布材のアルミナ−ガラスビーズ混合物の比重がシリカの比重の約１．５倍であることを考慮して、散布材が塗布面に占める割合を同等になるようにした。
[Comparative Examples 1-3]
A road surface color paint (green, blue, bengara) having a composition as shown in Table 1 below was prepared.
After each of these paints was applied to the road surface, silica powder (particle size: 0.15 to 0.35 mm) was sprayed as a spraying material at 0.56 kg / m 2 and fixed to the paint coating surface.
In addition, the amount of the spraying material is a ratio of the spraying material to the coating surface in consideration that the specific gravity of the alumina-glass bead mixture of the spraying material in Examples 1 to 6 is about 1.5 times the specific gravity of silica. To be equivalent.
上記実施例および比較例の路面塗装について、反射輝度およびすべり抵抗の評価を行った。また、目視による観察も行った。
反射輝度は、ミロラックス７にて測定した。また、すべり抵抗は、ポータブルスキッドレジスタンステスターにて測定し、ＢＰＮ値により評価した。
これらの測定結果を表２にまとめて示す。
The reflection brightness and slip resistance of the road surface coatings of the examples and comparative examples were evaluated. Visual observation was also performed.
The reflection luminance was measured with Mirolux 7. In addition, the slip resistance was measured with a portable skid resistance tester and evaluated based on the BPN value.
These measurement results are summarized in Table 2.
表２に示した結果から分かるように、塗料の色に関係なく、散布材に白色アルミナ粉とガラスビーズの混合物を用い（実施例１〜６）、さらに、ガラスビーズの割合を大きくした場合（実施例１〜３）の方が、塗装面の反射輝度が高いことが認められた。
目視観察においても、実施例１〜６については、太陽光の下ではキラキラとし、また、夜間に車のヘッドライトの光を照射した場合は、間近ではキラキラして見えるが、車内からは、ドライバーの視界の妨げになるほどキラキラして見えることはなかった。夜間の色の視認性は、比較例１〜３よりも優れていた。
また、すべり抵抗については、いずれの塗装面も大差はなく、十分なすべり抵抗を備えていることが認められた。
As can be seen from the results shown in Table 2, regardless of the color of the paint, a mixture of white alumina powder and glass beads was used as the spray material (Examples 1 to 6), and the proportion of glass beads was further increased ( It was recognized that Examples 1-3) had higher reflection luminance on the painted surface.
Also in visual observation, in Examples 1 to 6, it was sparkling under sunlight, and when it was irradiated with the light of the headlight of a car at night, it seemed shimmering in the immediate vicinity. It didn't look so shining as to obstruct her view. The visibility of the color at night was superior to Comparative Examples 1-3.
In addition, regarding the slip resistance, it was recognized that there was no great difference in any of the painted surfaces and that the slip resistance was sufficient.
［実施例７］
前記表１に示すような配合組成からなる路面用カラー塗料（ベンガラ）を調製した。前記カラー塗料（顔料配合量２％）中の含有骨材の組成は、白色アルミナ粉（粒径０．５〜１．０ｍｍ）：ガラスビーズ（粒径１０６〜８５０μｍ、屈折率１．５）＝４：１（重量比）とした。
このカラー塗料をアルミ板に厚さ１．７ｍｍで塗布した後、塗膜表面を溶剤で溶かし、塗膜中の骨材を塗膜表面に洗い出し、塗膜厚さを約１．３ｍｍとした。
[Example 7]
A road surface color paint (Bengara) having the composition shown in Table 1 was prepared. The composition of the aggregate contained in the color paint (pigment content 2%) is white alumina powder (particle size 0.5 to 1.0 mm): glass beads (particle size 106 to 850 μm, refractive index 1.5) = The ratio was 4: 1 (weight ratio).
This color paint was applied to an aluminum plate with a thickness of 1.7 mm, and then the surface of the coating film was dissolved with a solvent, and the aggregate in the coating film was washed out on the surface of the coating film, so that the thickness of the coating film was about 1.3 mm.
［比較例４］
前記表１に示すような配合組成からなる路面用カラー塗料（ベンガラ）を調製した。前記カラー塗料（顔料配合量２％）中の含有骨材の組成は、シリカ粉（粒径０．３５〜１．４ｍｍ）とした。
前記カラー塗料をアルミ板に厚さ１．７ｍｍで塗布した後、塗膜表面を溶剤で溶かし、塗膜中の骨材を塗膜表面に洗い出し、塗膜厚さを約１．３ｍｍとした。
[Comparative Example 4]
A road surface color paint (Bengara) having the composition shown in Table 1 was prepared. The composition of the aggregate contained in the color paint (pigment content 2%) was silica powder (particle size 0.35 to 1.4 mm).
After the color paint was applied to an aluminum plate with a thickness of 1.7 mm, the surface of the coating film was dissolved with a solvent, and the aggregate in the coating film was washed out on the surface of the coating film, so that the coating film thickness was about 1.3 mm.
上記実施例および比較例の路面塗装について、反射輝度およびすべり抵抗の評価を行った。また、目視による観察も行った。
反射輝度は、ミロラックス７にて測定した。また、すべり抵抗は、ポータブルスキッドレジスタンステスターにて測定し、ＢＰＮ値により評価した。
これらの測定結果を表３にまとめて示す。
The reflection brightness and slip resistance of the road surface coatings of the examples and comparative examples were evaluated. Visual observation was also performed.
The reflection luminance was measured with Mirolux 7. In addition, the slip resistance was measured with a portable skid resistance tester and evaluated based on the BPN value.
These measurement results are summarized in Table 3.
上記実施例７および比較例４は、本発明に係る路面塗装材であって、散布材を使用しない場合の塗装施工であり、カラー塗料のうち、代表例としてベンガラのものについて、塗装面の評価を行った。
表３に示した結果から分かるように、白色アルミナ粉およびガラスビーズを配合した塗装材（実施例７）は、従来のシリカ粉を配合したもの（比較例４）よりも、塗装面の反射輝度が著しく向上し、また、すべり抵抗も向上していることが認められた。
また、目視観察においても、実施例７については、太陽光の下ではキラキラとし、また、夜間に車のヘッドライトの光を照射した場合は、間近ではキラキラして見えるが、車内からは、ドライバーの視界の妨げになるほどキラキラして見えることはなかった。夜間の色の視認性は、比較例４よりも明らかに優れていた。
The above Example 7 and Comparative Example 4 are road surface coating materials according to the present invention, which are painting work when no spray material is used, and the evaluation of the painted surface of Bengala as a representative example of color paints. Went.
As can be seen from the results shown in Table 3, the coating material containing the white alumina powder and the glass beads (Example 7) is more reflective than the one containing the conventional silica powder (Comparative Example 4). It was confirmed that the resistance was significantly improved and the slip resistance was also improved.
Also in visual observation, Example 7 is glittering under sunlight, and when illuminated by the headlights of a car at night, it looks glittering in the immediate vicinity. It didn't look so shining as to obstruct her view. The nighttime color visibility was clearly superior to Comparative Example 4.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014020128A (en) * | 2012-07-19 | 2014-02-03 | Shinroihi Kk | Colored reflective coat and method of forming the same |
| JP2016006293A (en) * | 2015-08-31 | 2016-01-14 | 信号器材株式会社 | Bicycle road surface display material and working method thereof |
| JP2018022168A (en) * | 2012-02-09 | 2018-02-08 | ブランドバンプス，エルエルシー | Decorative detectable warning panel and use thereof |
| JP2019513198A (en) * | 2016-02-29 | 2019-05-23 | インテリジェント マテリアル ソリューションズ、インコーポレイテッド | Cooperative guidance system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018022168A (en) * | 2012-02-09 | 2018-02-08 | ブランドバンプス，エルエルシー | Decorative detectable warning panel and use thereof |
| JP2014020128A (en) * | 2012-07-19 | 2014-02-03 | Shinroihi Kk | Colored reflective coat and method of forming the same |
| JP2016006293A (en) * | 2015-08-31 | 2016-01-14 | 信号器材株式会社 | Bicycle road surface display material and working method thereof |
| JP2019513198A (en) * | 2016-02-29 | 2019-05-23 | インテリジェント マテリアル ソリューションズ、インコーポレイテッド | Cooperative guidance system and method |
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