JP7812110B2 - Method for using water-based abrasion-resistant anti-freeze paint for roads - Google Patents
Method for using water-based abrasion-resistant anti-freeze paint for roadsInfo
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Description
本発明は、道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法に関するものである。 The present invention relates to a water-based, abrasion-resistant, anti-freeze paint for roads, a method for producing the water-based, abrasion-resistant, anti-freeze paint for roads, and a method for using the water-based, abrasion-resistant, anti-freeze paint for roads.
塗料の用途は多岐に亘っており、そこで要求される特性も様々である。その中で、道路用塗料は中央線、路側帯線、横断歩道の標示をはじめとして、さまざまな指示等を運転者や歩行者等に知らせるため非常に重要な役割を果たす。 Paints have a wide range of uses, and the properties required for each are diverse. Among these, road paints play an extremely important role by informing drivers and pedestrians of various instructions, including center lines, roadside markings, and crosswalk markings.
かかる用途に於いては、特に屋外の路上に使用されることによる耐候性と、車両のタイヤ等による摩擦に耐える硬度の向上が望まれていた。また、施工の安全性、作業者の健康面を鑑み、水性塗料でこのような性能を有するものへの要望は非常に高かった。更に、冬季の道路交通に於いて路面の凍結によるスリップは事故に直結するので、凍結抑制機能を有する塗料へのニーズも大きい。しかし、水性塗料においては、材料の分離沈降によるポットライフの問題及び塗膜強度の問題から、実用的な硬度と耐摩耗性を有し、且つ凍結抑制機能を有する道路用塗料は存在しなかった。 For such applications, there is a particular need for weather resistance, as the paint will be used on outdoor roads, as well as improved hardness to withstand friction from vehicle tires and other sources. Furthermore, in consideration of application safety and the health of workers, there has been a strong demand for water-based paints with these properties. Furthermore, since slipping caused by frozen road surfaces during winter road traffic can lead directly to accidents, there is also a great need for paints with anti-freeze properties. However, with water-based paints, there are issues with pot life due to separation and sedimentation of materials, as well as issues with coating strength, so there has not been a road paint with practical hardness, abrasion resistance, and anti-freeze properties.
解決しようとする課題は、ポットライフが長く、且つ実用的な塗膜形成条件でもって成膜出来、、実用的な硬度と耐摩耗性を有し、且つ凍結抑制機能を有する道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法を実現することである。 The problem to be solved is to realize a water-based, abrasion-resistant, anti-freeze paint for roads that has a long pot life, can be formed under practical coating film-forming conditions, has practical hardness and abrasion resistance, and has anti-freeze functionality, as well as a method for manufacturing the water-based, abrasion-resistant, anti-freeze paint for roads, and a method for using the water-based, abrasion-resistant, anti-freeze paint for roads.
これらの課題を解決するため、筆者らは、塗料に道路用途に必要な機能材料を添加するにあたり、塗料の調整工程を鋭意検討し、道路用水性耐摩耗性凍結抑制塗料に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなる塗料を開発した。本発明に係る塗料は、成膜特性に優れ、硬度の高い塗膜を得られ、さらに凍結抑制機能を有する道路用水性耐摩耗性凍結抑制塗料であった。 To solve these problems, the authors conducted extensive research into the paint preparation process when adding the functional materials necessary for road use to the paint, and developed a water-based, abrasion-resistant, anti-freeze paint for roads. The paint is a water-based emulsion paint that does not contain solvents, and contains at least a resin component, a pigment component, and a heat storage agent as an anti-freeze agent as its solid content. The paint of the present invention is a water-based, abrasion-resistant, anti-freeze paint for roads that has excellent film-forming properties, produces a coating film with high hardness, and also has anti-freeze properties.
本発明は、道路用の塗膜等に用いる塗料に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなることを特徴とする、道路用水性耐摩耗性凍結抑制塗料である。 This invention relates to a water-based, abrasion-resistant, anti-freeze paint for roads, which is a water-based emulsion paint that does not contain solvents, and which contains, at least as solids, a resin component, a pigment component, and a heat storage agent as an anti-freeze agent.
また本発明は、道路用水性耐摩耗性凍結抑制塗料の製造方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、樹脂成分を含む第一の原材料と、顔料成分を含む第二の原材料と、凍結抑制剤として蓄熱剤を含む第三の原材料とを混合し、撹拌機により攪拌混合して製造したことを特徴とする、道路用水性耐摩耗性凍結抑制塗料の製造方法である。 The present invention also provides a method for producing a water-based, wear-resistant, anti-freeze paint for roads, in which the paint is a water-based emulsion paint that does not contain solvents, and is produced by mixing a first raw material containing a resin component, a second raw material containing a pigment component, and a third raw material containing a heat storage agent as an anti-freeze agent, and stirring and mixing the mixture using a stirrer.
また本発明は、道路用水性耐摩耗性凍結抑制塗料を用いた塗膜形成方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなるものを用い、アスファルト路面上にプライマー層を塗布する第一の工程と、該塗料を塗布してトップコートを形成する第二の工程と、を経て塗膜を形成することを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for forming a coating film using a water-based, abrasion-resistant, anti-freeze paint for roads, in which the paint is a water-based emulsion paint that does not contain solvents or the like and contains, as its solids, at least a resin component, a pigment component, and a heat storage agent as an anti-freeze agent, and the method forms a coating film through a first step of applying a primer layer to an asphalt road surface and a second step of applying the paint to form a top coat.
また本発明は、該塗料が溶剤等を含まない水性エマルジョン塗料であり、減圧脱気を行いながら撹拌分散を行うことによりエマルジョン径を１０μm以下に調製されてなることを特徴とする。 The present invention is also characterized in that the paint is an aqueous emulsion paint that does not contain solvents, etc., and is prepared so that the emulsion diameter is 10 μm or less by stirring and dispersing while degassing under reduced pressure.
また本発明は、該塗料に用いられる蓄熱剤がパラフィンを内包したマイクロカプセルを含んでなることを特徴とする。 The present invention is also characterized in that the heat storage agent used in the paint contains microcapsules encapsulating paraffin.
また本発明は、該顔料成分は着色顔料であることを特徴とする。 The present invention is also characterized in that the pigment component is a colored pigment.
また本発明は、該塗料が更に分散剤を含んでなることを特徴とする。 The present invention is also characterized in that the paint further contains a dispersant.
また本発明は、該塗料に含まれる樹脂成分がの含有率が５０重量部乃至８５重量部の範囲であることを特徴とする。 The present invention is also characterized in that the resin component content of the paint is in the range of 50 to 85 parts by weight.
また本発明は、該塗料が、その固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなる水性エマルジョン塗料成分の他に、硬質骨材を添加されてなることを特徴とする。 The present invention is also characterized in that the paint contains, in addition to the aqueous emulsion paint components containing, as solids, a resin component, a pigment component, and a heat storage agent as an antifreeze agent, a hard aggregate.
また本発明は、該塗料に含まれる蓄熱剤の含有率が１０重量部乃至２５重量部の範囲であることを特徴とする。 The present invention is also characterized in that the content of the heat storage agent contained in the paint is in the range of 10 to 25 parts by weight.
また本発明は、該塗料に含まれる顔料成分の含有率が５重量部乃至２０重量部の範囲であることを特徴とする。 The present invention is also characterized in that the pigment content of the paint is in the range of 5 to 20 parts by weight.
また本発明は、該塗料に含まれる分散剤の含有率が０.３重量部乃至２重量部の範囲であることを特徴とする。 The present invention is also characterized in that the content of dispersant in the paint is in the range of 0.3 to 2 parts by weight.
また本発明は、該道路用水性耐摩耗性凍結抑制塗料の使用方法に於いて、該塗料を塗布して一層目のトップコートを形成する第二の工程に於いて、塗布量は夫々１平方メートル当たり０.５ｋｇ乃至２ｋｇの範囲とすることを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for using the water-based, abrasion-resistant, anti-freezing paint for roads, characterized in that in the second step of applying the paint to form a first top coat, the application amount is in the range of 0.5 kg to 2 kg per square meter.
また本発明は、道路用水性耐摩耗性凍結抑制塗料を用いた塗膜形成方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなるものを用い、アスファルト路面上にプライマー層を塗布する第一の工程と、該塗料を塗布して一層目のトップコートを形成する第二の工程と、更に該塗料を塗布して二層目のトップコートを形成する第三の工程と、を経て塗膜を形成することを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for forming a coating film using a water-based, abrasion-resistant, anti-freeze coating for roads. The coating film is formed through the following steps: a first step of applying a primer layer to an asphalt road surface; a second step of applying the coating to form a first top coat; and a third step of applying the coating to form a second top coat.
また本発明は、該道路用水性耐摩耗性凍結抑制塗料の使用方法に於いて、該塗料を塗布して一層目のトップコートを形成する第二の工程及び、更に該塗料を塗布して二層目のトップコートを形成する第三の工程とに於いて、塗布量は夫々１平方メートル当たり０.３ｋｇ乃至０.７ｋｇの範囲とすることを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for using the water-based, abrasion-resistant, anti-freezing paint for roads, characterized in that in the second step of applying the paint to form a first top coat, and in the third step of applying the paint to form a second top coat, the application amounts are each in the range of 0.3 kg to 0.7 kg per square meter.
本発明の道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法は、実用的な塗膜形成条件でもって成膜出来、成膜特性に優れ、硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られる、道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法を実現するという利点がある。本発明にかかる塗料は水性であり安全性が高く、低温で成膜使用可であり硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られ、もって道路用用途に活用出来、我が国産業の発展に資するものである。 The water-based abrasion-resistant anti-freeze paint for roads, the method for manufacturing the water-based abrasion-resistant anti-freeze paint for roads, and the method for using the water-based abrasion-resistant anti-freeze paint for roads of the present invention have the advantage of being able to form films under practical film-forming conditions, yielding films with excellent film-forming properties and high hardness, and further providing anti-freeze properties. The paint of the present invention is water-based, highly safe, can be used to form films at low temperatures, yielding films with high hardness, and further providing anti-freeze properties, making it suitable for use in road applications and contributing to the development of Japan's industry.
本発明は、道路用の塗膜等に用いる塗料に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなることを特徴とする、道路用水性耐摩耗性凍結抑制塗料である。 This invention relates to a water-based, abrasion-resistant, anti-freeze paint for roads, which is a water-based emulsion paint that does not contain solvents, and which contains, at least as solids, a resin component, a pigment component, and a heat storage agent as an anti-freeze agent.
また本発明は、道路用水性耐摩耗性凍結抑制塗料の製造方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、樹脂成分を含む第一の原材料と、顔料成分を含む第二の原材料と、凍結抑制剤として蓄熱剤を含む第二の原材料とを混合し、撹拌機により攪拌混合して製造したことを特徴とする、道路用水性耐摩耗性凍結抑制塗料の製造方法である。 The present invention also provides a method for producing a water-based, wear-resistant, anti-freeze paint for roads, in which the paint is a water-based emulsion paint that does not contain solvents, and is produced by mixing a first raw material containing a resin component, a second raw material containing a pigment component, and a second raw material containing a heat storage agent as an anti-freeze agent, and stirring and mixing the mixture using a stirrer.
また本発明は、道路用水性耐摩耗性凍結抑制塗料を用いた塗膜形成方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなるものを用い、アスファルト路面上にプライマー層を塗布する第一の工程と、該塗料を塗布して一層目のトップコートを形成する第二の工程と、更に該塗料を塗布して二層目のトップコートを形成する第三の工程と、を経て塗膜を形成することを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for forming a coating film using a water-based, abrasion-resistant, anti-freeze coating for roads. The coating film is formed through the following steps: a first step of applying a primer layer to an asphalt road surface; a second step of applying the coating to form a first top coat; and a third step of applying the coating to form a second top coat.
また本発明は、該塗料が溶剤等を含まない水性エマルジョン塗料であり、減圧脱気を行いながら撹拌分散を行うことによりエマルジョン径を１０μm以下に調製されてなることを特徴とする。 The present invention is also characterized in that the paint is an aqueous emulsion paint that does not contain solvents, etc., and is prepared so that the emulsion diameter is 10 μm or less by stirring and dispersing while degassing under reduced pressure.
また本発明は、該塗料に用いられる蓄熱剤がパラフィンを内包したマイクロカプセルを含んでなることを特徴とする。係る材料を用いることで、塗装された路面の温度低下が緩和され、降雪時等の凍結を遅延させ、安全性を向上させる効果がある。 The present invention is also characterized in that the heat storage agent used in the paint contains microcapsules encapsulating paraffin. The use of such a material reduces the temperature drop on the painted road surface, delays freezing during snowfall, and improves safety.
また本発明は、該顔料成分は着色顔料であることを特徴とする。これにより、横断歩道等の路面上の表示を構成する部分にも使用が可能となる。 The present invention is also characterized in that the pigment component is a colored pigment. This makes it possible to use it in parts that make up road markings such as crosswalks.
また本発明は、該塗料が更に分散剤を含んでなることを特徴とする。 The present invention is also characterized in that the paint further contains a dispersant.
また本発明は、該塗料に含まれる樹脂成分がの含有率が５０重量部乃至８５重量部の範囲であることを特徴とする。 The present invention is also characterized in that the resin component content of the paint is in the range of 50 to 85 parts by weight.
また本発明は、該塗料が、その固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなる水性エマルジョン塗料成分の他に、硬質骨材を添加されてなることを特徴とする。硬質骨材を添加することで、耐摩耗性が向上し、更にスリップの防止にも効果がある。ここで、硬質骨材の粒径の選択により、１回の塗布により形成される塗膜の膜厚に差が生じるため、トップコートを１回塗布或いは２回塗布の何れかを選択する。 The present invention is also characterized in that the paint contains a hard aggregate in addition to the aqueous emulsion paint components, which contain a resin component, a pigment component, and a heat storage agent as a freeze inhibitor as solid components. The addition of hard aggregate improves abrasion resistance and also helps prevent slippage. Since the thickness of the coating film formed by a single application varies depending on the particle size of the hard aggregate, the top coat can be applied either once or twice.
また本発明は、該塗料に含まれる蓄熱剤の含有率が１０重量部乃至２５重量部の範囲であることを特徴とする。 The present invention is also characterized in that the content of the heat storage agent contained in the paint is in the range of 10 to 25 parts by weight.
また本発明は、該塗料に含まれる顔料成分の含有率が５重量部乃至２０重量部の範囲であることを特徴とする。 The present invention is also characterized in that the pigment content of the paint is in the range of 5 to 20 parts by weight.
また本発明は、該塗料に含まれる分散剤の含有率が０.３重量部乃至２重量部の範囲であることを特徴とする。 The present invention is also characterized in that the content of dispersant in the paint is in the range of 0.3 to 2 parts by weight.
また本発明は、該道路用水性耐摩耗性凍結抑制塗料の使用方法に於いて、該塗料を塗布して一層目のトップコートを形成する第二の工程に於いて、塗布量は夫々１平方メートル当たり０.５ｋｇ乃至２ｋｇの範囲とすることを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for using the water-based, abrasion-resistant, anti-freezing paint for roads, characterized in that in the second step of applying the paint to form a first top coat, the application amount is in the range of 0.5 kg to 2 kg per square meter.
また本発明は、道路用水性耐摩耗性凍結抑制塗料を用いた塗膜形成方法に於いて、該塗料は溶剤等を含まない水性エマルジョン塗料であり、該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなるものを用い、アスファルト路面上にプライマー層を塗布する第一の工程と、該塗料を塗布して一層目のトップコートを形成する第二の工程と、更に該塗料を塗布して二層目のトップコートを形成する第三の工程と、を経て塗膜を形成することを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for forming a coating film using a water-based, abrasion-resistant, anti-freeze coating for roads. The coating film is formed through the following steps: a first step of applying a primer layer to an asphalt road surface; a second step of applying the coating to form a first top coat; and a third step of applying the coating to form a second top coat.
また本発明は、該道路用水性耐摩耗性凍結抑制塗料の使用方法に於いて、該塗料を塗布して一層目のトップコートを形成する第二の工程及び、更に該塗料を塗布して二層目のトップコートを形成する第三の工程とに於いて、塗布量は夫々１平方メートル当たり０.３ｋｇ乃至０.７ｋｇの範囲とすることを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法である。 The present invention also relates to a method for using the water-based, abrasion-resistant, anti-freezing paint for roads, characterized in that in the second step of applying the paint to form a first top coat, and in the third step of applying the paint to form a second top coat, the application amounts are each in the range of 0.3 kg to 0.7 kg per square meter.
本発明の道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法は、実用的な塗膜形成条件でもって成膜出来、成膜特性に優れ、硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られる、道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法を実現するという利点がある。本発明にかかる塗料は水性であり安全性が高く、低温で成膜使用可であり硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られ、もって道路用用途に活用出来、我が国産業の発展に資するものである。 The water-based abrasion-resistant anti-freeze paint for roads, the method for manufacturing the water-based abrasion-resistant anti-freeze paint for roads, and the method for using the water-based abrasion-resistant anti-freeze paint for roads of the present invention have the advantage of being able to form films under practical film-forming conditions, yielding films with excellent film-forming properties and high hardness, and further providing anti-freeze properties. The paint of the present invention is water-based, highly safe, can be used to form films at low temperatures, yielding films with high hardness, and further providing anti-freeze properties, making it suitable for use in road applications and contributing to the development of Japan's industry.
以下、本発明に係る道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法を、実施例に基づいて説明する。 The following describes the water-based abrasion-resistant anti-freeze paint for roads, the method for producing the water-based abrasion-resistant anti-freeze paint for roads, and the method for using the water-based abrasion-resistant anti-freeze paint for roads according to the present invention, based on examples.
まず、本発明に係る道路用水性耐摩耗性凍結抑制塗料を製造した。樹脂成分を７０重量部、蓄熱剤としてパラフィンを内包したマイクロカプセルを２０重量部、 顔料成分として粉砕された着色顔料を９重量部、分散剤を１重量部用意し、これらを投入して撹拌機にて攪拌混合した。 First, the water-based abrasion-resistant antifreeze paint for roads according to the present invention was manufactured. 70 parts by weight of resin components, 20 parts by weight of microcapsules containing paraffin as a heat storage agent, 9 parts by weight of crushed colored pigment as a pigment component, and 1 part by weight of dispersant were prepared, and then these were added and stirred and mixed using a mixer.
ここで、樹脂成分の含有率は５０重量部乃至８５重量部の範囲であることが望ましく、蓄熱剤の含有率は１０重量部乃至２５重量部の範囲であることが望ましく、料成分の含有率は５重量部乃至２０重量部の範囲であることが望ましい。 Here, the resin component content is preferably in the range of 50 to 85 parts by weight, the heat storage agent content is preferably in the range of 10 to 25 parts by weight, and the material component content is preferably in the range of 5 to 20 parts by weight.
次に、出来上がった道路用水性耐摩耗性凍結抑制塗料を実際に道路上に塗布してその効果を確認する実験を行なった。図１は本発明に係る道路用水性耐摩耗性凍結抑制塗料を用いた施工の様子を示す図面代用写真である。本発明に係る道路用水性耐摩耗性凍結抑制塗料は溶剤等を含まない水性であるから、安全で労働衛生上も非常に優れた塗料であった。なお、塗布はレーキを用いて行ったが、刷毛・ローラー、ゴムレーキなどを使用して簡便に塗布することが可能である。 Next, an experiment was conducted to confirm the effectiveness of the finished water-based abrasion-resistant anti-freezing paint for roads by actually applying it to the road. Figure 1 is a photograph, used in place of a drawing, showing the application of the water-based abrasion-resistant anti-freezing paint for roads according to the present invention. Because the water-based abrasion-resistant anti-freezing paint for roads according to the present invention is water-based and does not contain solvents, it is a safe paint that is also excellent in terms of occupational health. The paint was applied using a rake, but it can also be applied more easily using a brush, roller, rubber rake, etc.
施工は、まず通常のアスファルト舗装面上にプライマー層を形成した。プライマー層の塗布量は１平方メートル当たり０.４ｋｇとした。その後、本発明に係る道路用水性耐摩耗性凍結抑制塗料を２層重ねて形成して、道路用水性耐摩耗性凍結抑制舗装を形成した。２層の塗布量は夫々１平方メートル当たり０.５ｋｇとした。ここで、本発明に係る道路用水性耐摩耗性凍結抑制塗料の塗布量は夫々１平方メートル当たり０.３ｋｇ乃至０.７ｋｇの範囲とすることが望ましい。 The construction began by forming a primer layer on a standard asphalt pavement surface. The primer layer was applied in an amount of 0.4 kg per square meter. Two layers of the water-based, abrasion-resistant, anti-freeze paint for roads according to the present invention were then applied in layers to form a water-based, abrasion-resistant, anti-freeze pavement for roads. Each of the two layers was applied in an amount of 0.5 kg per square meter. It is desirable that the amount of the water-based, abrasion-resistant, anti-freeze paint for roads according to the present invention applied be in the range of 0.3 to 0.7 kg per square meter.
本実施例に於いては、粒径の小さい硬質骨材を添加して用いているため、トップコートは２回塗布を行なっている。硬質骨材を添加することで、耐摩耗性が向上し、更にスリップの防止にも効果がある。ここで、硬質骨材として粒径の大きいものを選択することにより、１回の塗布のみでトップコートを形成することも可能である。 In this example, small-particle-sized hard aggregate is added, so the top coat is applied twice. Adding hard aggregate improves abrasion resistance and also helps prevent slippage. However, by selecting a hard aggregate with a large particle size, it is possible to form the top coat with just one application.
形成された水性耐摩耗性凍結抑制舗装は、塗料の剥がれ抵抗性試験に於いて１０％であったが、これは東京都建設局の規格値である２０％以下に十分入っており、耐摩耗性の高い塗膜が得られていることがわかった。また、振子式スキッドレジスタンステスタにより路面の滑り抵抗性試験を行なったところ、６４ＢＰＮを計測し、これも東京都建設局の規格値（６０ＢＰＮ以上）をクリアしていた。 The resulting water-based, abrasion-resistant, anti-freeze pavement tested for paint peel resistance, measuring 10%, which is well below the Tokyo Metropolitan Government Bureau of Construction's standard of 20%, demonstrating that a highly abrasion-resistant coating has been obtained. Furthermore, when the road surface was tested for slip resistance using a pendulum skid resistance tester, it measured 64 BPN, which also cleared the Tokyo Metropolitan Government Bureau of Construction's standard (60 BPN or higher).
その後、降雪環境を待ち、凍結抑制効果の確認を行った。図２及び図３は本発明に係る道路用水性耐摩耗性凍結抑制塗料を用いた施工試験の結果を示す図面代用写真である。図２は、降雪後に施工部分の凍結が抑制されていることを示しており、また図３は積雪が多くなった場合にも施工部分の凍結が抑制されているため簡単に剥離できることが確認された。 After that, we waited for snowfall and confirmed the anti-freezing effect. Figures 2 and 3 are photographs in place of drawings showing the results of application tests using the water-based, abrasion-resistant, anti-freezing paint for roads according to the present invention. Figure 2 shows that freezing of the applied area was suppressed after snowfall, and Figure 3 confirms that even when there was a lot of snowfall, freezing of the applied area was suppressed, allowing it to be easily removed.
本発明に係る道路用水性耐摩耗性凍結抑制塗料の製造方法に於いては、エマルジョン塗料組成物を減圧撹拌分散装置に投入して、減圧撹拌分散を行うことにより、ナノオーダー分散型水性塗料とすることも有効である。 In the method for producing the water-based abrasion-resistant antifreeze paint for roads according to the present invention, it is also effective to produce a nano-order dispersion type water-based paint by adding the emulsion paint composition to a vacuum agitation and dispersion device and carrying out vacuum agitation and dispersion.
本実施例に用いた減圧撹拌分散装置の概念図が、図２に示される。減圧撹拌分散装置は、フランジを有して容器部と蓋部が開閉出来るようになっており、前記原料を容器部に投入後フランジを密着させて容器部と蓋部を締め付け、容器体内を減圧出来るようになっている。 A conceptual diagram of the reduced-pressure agitation and dispersion device used in this example is shown in Figure 2. The reduced-pressure agitation and dispersion device has a flange that allows the container and lid to be opened and closed. After the raw material is placed in the container, the flange is tightly attached to tighten the container and lid, reducing the pressure inside the container.
前記原料を容器部に投入後してフランジの締め付けを行った後、真空ポンプを作動させて容器体内を減圧し、またプロペラを回転させて撹拌分散を行った。なお、本発明に係るセルロースナノファイバーを含むナノオーダー分散型水性道路用塗料の製造方法に於いては、撹拌分散工程中の容器体内の圧力は１Ｐａ乃至５００００Ｐａに調整することが望ましい。容器体内の圧力は１Ｐａ乃至５０００Ｐａに調整することがさらに望ましく、１Ｐａ乃至５００Ｐａに調整することがより望ましい。本実施例においては、工程中でエマルジョン中に残留する空気の量により容器体内の圧力は変動するが、適宜容器体内のエマルジョンの発泡の程度を観察して、バルブにより減圧度を調整した。 After the raw materials were placed in the container and the flange was tightened, the vacuum pump was operated to reduce the pressure inside the container, and the propeller was rotated to stir and disperse the material. In the method for producing nano-order dispersion-type water-based road paint containing cellulose nanofibers according to the present invention, the pressure inside the container during the stirring and dispersion process is preferably adjusted to 1 Pa to 50,000 Pa. It is more preferable to adjust the pressure inside the container to 1 Pa to 5,000 Pa, and even more preferable to adjust it to 1 Pa to 500 Pa. In this example, the pressure inside the container fluctuates depending on the amount of air remaining in the emulsion during the process, but the degree of foaming of the emulsion inside the container was observed and the degree of pressure reduction was adjusted using the valve as appropriate.
容器体内に設置されたプロペラは、エマルジョン粒子を切断分散させる形状であることが撹拌分散に有効である。また、撹拌分散工程中のプロペラの回転数は２００ｒｐｍ乃至５０００ｒｐｍの範囲に維持することが望ましい。減圧及び／又は撹拌分散工程は、トータルで５分以上２４時間以下の範囲で行うことが望ましい。減圧及び／又は撹拌分散工程は、トータルで３０分以上１２時間以下の範囲で行うことがさらに望ましく、１時間以上６時間以下の範囲で行うことがより望ましく、２時間以上４時間以下の範囲で行うことがより望ましい。また、本発明に係る道路用水性耐摩耗性凍結抑制塗料の製造方法に於いては、工程中で超音波を印加することも有効であり、分散性をさらに向上させることができる、超音波印加は減圧撹拌分散工程中のいずれの期間に印加することも有効であり、２０ｋＨｚ以上の高周波を印加することが有効である。 For effective stirring and dispersion, the propeller installed within the container should be shaped to cut and disperse emulsion particles. It is desirable to maintain the propeller rotation speed within the range of 200 to 5,000 rpm during the stirring and dispersion process. The decompression and/or stirring and dispersion process is desirably carried out for a total period of 5 minutes to 24 hours. It is more desirable to carry out the decompression and/or stirring and dispersion process for a total period of 30 minutes to 12 hours, more desirably for a period of 1 hour to 6 hours, and even more desirably for a period of 2 hours to 4 hours. In addition, in the method for producing a water-based, abrasion-resistant, anti-freezing paint for roads according to the present invention, applying ultrasound during the process is also effective, as it can further improve dispersibility. Ultrasound application is effective at any time during the decompression, stirring and dispersion process, and applying high-frequency waves of 20 kHz or higher is effective.
容器体内に設置されたプロペラを回転させて撹拌分散を行う工程と減圧工程は交互に繰り返して行うか、或いは同時に行われる。特に好ましいナノ化工程は、減圧工程と撹拌分散工程を交互に繰り返すことである。本実施例においては、まずフランジを密封後、プロペラを１０００ｒｐｍ以下で低速回転させながら１０分間の減圧を行い、その後プロペラの回転速度を１５００ｒｐｍ以上に上げて３０分間の減圧撹拌分散を行った。その後、再度低速回転で１０分間の減圧を行い、さらに高速回転で１時間の減圧撹拌分散を行った。最後に、低速回転で１０分間の減圧撹拌分散を行い、道路用水性耐摩耗性凍結抑制塗料を得た。 The process of rotating the propeller installed inside the container to stir and disperse the mixture and the decompression process are repeated alternately or simultaneously. A particularly preferred nano-process is to alternately repeat the decompression process and the stirring and dispersing process. In this example, after first sealing the flange, the propeller was rotated at a low speed of 1000 rpm or less to reduce the pressure for 10 minutes, and then the propeller rotation speed was increased to 1500 rpm or more to perform reduced-pressure stirring and dispersing for 30 minutes. After that, the pressure was reduced again at low speed for 10 minutes, and then reduced-pressure stirring and dispersing was performed at high speed for another hour. Finally, reduced-pressure stirring and dispersing was performed at low speed for 10 minutes, yielding a water-based abrasion-resistant anti-freeze paint for roads.
ナノ化された塗料組成物は、水性塗料の弱点である固形物の沈降などが抑制されてポットライフが延長され、使い勝手が向上する。本発明に係る道路用の塗膜等に用いるナノオーダー分散型水性高硬度塗料は環境負荷が低く、非常にエコロジカルな道路用塗料として用いることが出来る。 Nano-sized paint compositions suppress the settling of solids, a weakness of water-based paints, thereby extending pot life and improving usability. The nano-order dispersed water-based high-hardness paint used for road coatings and other purposes according to the present invention has a low environmental impact and can be used as a very ecological road paint.
また、本発明に係る道路用の塗膜等に用いる道路用水性耐摩耗性凍結抑制塗料は水性であるため、環境負荷が低く、非常にエコロジカルな道路用塗料として用いることが出来る。 In addition, because the water-based abrasion-resistant antifreeze paint for roads used in road coatings, etc., according to the present invention is water-based, it has a low environmental impact and can be used as a very ecological road paint.
本発明の道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法は、実用的な塗膜形成条件でもって成膜出来、成膜特性に優れ、硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られる、道路用水性耐摩耗性凍結抑制塗料、道路用水性耐摩耗性凍結抑制塗料の製造方法及び道路用水性耐摩耗性凍結抑制塗料の使用方法を実現するという利点がある。本発明にかかる塗料は水性であり安全性が高く、低温で成膜使用可であり硬度の高い塗膜を得られ、さらに凍結抑制機能を有する塗膜が得られ、もって道路用用途に活用出来、産業上の利用可能性は大であると言える。 The water-based abrasion-resistant anti-freeze paint for roads, the method for manufacturing the water-based abrasion-resistant anti-freeze paint for roads, and the method for using the water-based abrasion-resistant anti-freeze paint for roads of the present invention have the advantage of being able to form films under practical film-forming conditions, producing films with excellent film-forming properties and high hardness, and also producing films with anti-freeze properties. The paint of the present invention is water-based, highly safe, can be used to form films at low temperatures, produces films with high hardness, and also produces films with anti-freeze properties, making it suitable for use in road applications and highly applicable industrially.
１ 容器体部
２ 撹拌分散用プロペラ
３ 高速回転軸
４ 低速回転軸
５ 真空ポンプ
６ 操作盤
REFERENCE SIGNS LIST 1 Container body 2 Mixing and dispersion propeller 3 High-speed rotating shaft 4 Low-speed rotating shaft 5 Vacuum pump 6 Control panel
Claims (20)
該塗料は溶剤を含まない水性エマルジョン塗料であり、
該塗料は少なくともその固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなるものを用い、
アスファルト路面上にプライマー層を塗布する第一の工程と、
該塗料を塗布してトップコートを形成する第二の工程と、
を経て塗膜を形成することを特徴とし、
該塗料は、減圧脱気を行いながら撹拌分散を行うことによりエマルジョン径を１０μｍ以下に調製されてなることを特徴とする、
道路用水性耐摩耗性凍結抑制塗料の使用方法。 A method for using a water-based abrasion-resistant anti-freezing paint for roads, which involves forming a coating film using the water-based abrasion-resistant anti-freezing paint for roads ,
The paint is a solvent- free water-based emulsion paint,
The paint contains at least a resin component, a pigment component, and a heat storage agent as a freeze inhibitor as solid components,
A first step of applying a primer layer on an asphalt road surface;
a second step of applying the coating material to form a top coat;
The coating film is formed through the process ,
The coating material is characterized in that the emulsion diameter is adjusted to 10 μm or less by stirring and dispersing while degassing under reduced pressure.
How to use water-based abrasion-resistant anti-freeze paint for roads.
パラフィンを内包したマイクロカプセルを含んでなることを特徴とする、
請求項１記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The heat storage agent used in the paint is
It is characterized by comprising microcapsules encapsulating paraffin.
2. A method for using the water-based abrasion-resistant antifreeze paint for roads according to claim 1 .
該顔料成分は着色顔料であることを特徴とする、
請求項１又は２に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
The pigment component is a color pigment.
3. A method for using the water-based abrasion-resistant antifreeze paint for roads according to claim 1 or 2 .
更に分散剤を含んでなることを特徴とする、
請求項１乃至３の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
Further comprising a dispersant.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 3 .
５０重量部乃至８５重量部の範囲であることを特徴とする、
請求項１乃至４の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the resin component contained in the paint is:
The range is 50 parts by weight to 85 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 4 .
その固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなる水性エマルジョン塗料成分の他に、硬質骨材を添加されてなることを特徴とする、
請求項１乃至５の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
The solid content of the aqueous emulsion paint is a resin component, a pigment component, and a heat storage agent as a freeze inhibitor. In addition, the aqueous emulsion paint contains a hard aggregate.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 5 .
１０重量部乃至２５重量部の範囲であることを特徴とする、
請求項１乃至６の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the heat storage agent contained in the paint is
The range is 10 parts by weight to 25 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 6 .
５重量部乃至２０重量部の範囲であることを特徴とする、
請求項１乃至７の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the pigment component contained in the paint is
The range is 5 parts by weight to 20 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 7 .
０.３重量部乃至２重量部の範囲であることを特徴とする、
請求項１乃至８の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the dispersant contained in the paint is:
The range is 0.3 parts by weight to 2 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 8 .
該塗料を塗布して一層目のトップコートを形成する第二の工程に於いて、
塗布量は夫々１平方メートル当たり０.５ｋｇ乃至２ｋｇの範囲とすることを特徴とする、
請求項１乃至９の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 A method for using the water-based abrasion-resistant antifreeze paint for roads, comprising:
In a second step of applying the coating material to form a first top coat,
The coating amount is in the range of 0.5 kg to 2 kg per square meter,
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 1 to 9 .
アスファルト路面上にプライマー層を塗布する第一の工程と、
該塗料を塗布して一層目のトップコートを形成する第二の工程と、
更に該塗料を塗布して二層目のトップコートを形成する第三の工程と、を経て塗膜を形成することを特徴とし、
該塗料を塗布して一層目のトップコートを形成する第二の工程及び、更に該塗料を塗布して二層目のトップコートを形成する第三の工程とに於いて、
塗布量は夫々１平方メートル当たり０.３ｋｇ乃至０.７ｋｇの範囲とすることを特徴とする、道路用水性耐摩耗性凍結抑制塗料の使用方法。 A method for forming a coating film using a water-based, abrasion-resistant, anti-freezing paint for roads, the coating film being a solvent-free, water-based emulsion paint containing at least a resin component, a pigment component, and a heat storage agent as an anti-freezing agent as solid components, the method comprising :
A first step of applying a primer layer on an asphalt road surface;
a second step of applying the coating material to form a first top coat;
and a third step of applying the paint to form a second layer of top coat, thereby forming a coating film .
a second step of applying the paint to form a first top coat, and a third step of applying the paint to form a second top coat,
A method for using a water-based abrasion-resistant anti-freeze paint for roads , characterized in that the application amount is in the range of 0.3 kg to 0.7 kg per square meter .
減圧脱気を行いながら撹拌分散を行うことによりエマルジョン径を１０μｍ以下に調製されてなることを特徴とする、
請求項１１記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is a solvent-free water-based emulsion paint,
The emulsion diameter is adjusted to 10 μm or less by stirring and dispersing while degassing under reduced pressure.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to claim 11.
パラフィンを内包したマイクロカプセルを含んでなることを特徴とする、
請求項１１又は１２記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The heat storage agent used in the paint is
It is characterized by comprising microcapsules encapsulating paraffin.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to claim 11 or 12.
該顔料成分は着色顔料であることを特徴とする、
請求項１１乃至１３の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
The pigment component is a color pigment.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 11 to 13.
更に分散剤を含んでなることを特徴とする、
請求項１１乃至１４の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
Further comprising a dispersant.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 11 to 14.
５０重量部乃至８５重量部の範囲であることを特徴とする、
請求項１１乃至１５の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the resin component contained in the paint is:
The range is 50 parts by weight to 85 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 11 to 15.
その固形分として樹脂成分、顔料成分及び凍結抑制剤として蓄熱剤を含有してなる水性エマルジョン塗料成分の他に、硬質骨材を添加されてなることを特徴とする、
請求項１１乃至１６の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The paint is
The solid content of the aqueous emulsion paint is a resin component, a pigment component, and a heat storage agent as a freeze inhibitor. In addition, the aqueous emulsion paint contains a hard aggregate.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 11 to 16.
１０重量部乃至２５重量部の範囲であることを特徴とする、
請求項１１乃至１７の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the heat storage agent contained in the paint is
The range is 10 parts by weight to 25 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 11 to 17.
５重量部乃至２０重量部の範囲であることを特徴とする、
請求項１４乃至１８の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the pigment component contained in the paint is
The range is 5 parts by weight to 20 parts by weight.
A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 14 to 18.
０.３重量部乃至２重量部の範囲であることを特徴とする、
請求項１５乃至１９の何れか一に記載の道路用水性耐摩耗性凍結抑制塗料の使用方法。 The content of the dispersant contained in the paint is:
The range is 0.3 parts by weight to 2 parts by weight.
20. A method for using the water-based abrasion-resistant antifreeze paint for roads according to any one of claims 15 to 19.
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|---|---|---|---|---|
| JP2004011276A (en) | 2002-06-07 | 2004-01-15 | Mitsubishi Paper Mills Ltd | How to prevent snow on the road surface and freeze |
| JP2014037483A (en) | 2012-08-16 | 2014-02-27 | Amakentecc:Kk | Nano-order dispersion type aqueous multicolor paint, production method of nano-order dispersion type aqueous multicolor paint, and decompression agitation dispersion apparatus used for production of nano-order dispersion type aqueous multicolor paint |
| JP2015203427A (en) | 2014-04-11 | 2015-11-16 | 満和 小川 | Insulating material, method for manufacturing the same, and far infrared heating device |
| US20190077983A1 (en) | 2016-03-31 | 2019-03-14 | Rohm And Haas Company | Durable aqueous compositions for use in making traffic markings having good dirt pickup resistance and traffic markings made therewith |
| JP2019194323A (en) | 2018-05-01 | 2019-11-07 | 大宝化学工業株式会社 | Heat insulation coating composition having aqueous two-liquid curability, heat insulation paint coating method, and heat insulation pavement |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004011276A (en) | 2002-06-07 | 2004-01-15 | Mitsubishi Paper Mills Ltd | How to prevent snow on the road surface and freeze |
| JP2014037483A (en) | 2012-08-16 | 2014-02-27 | Amakentecc:Kk | Nano-order dispersion type aqueous multicolor paint, production method of nano-order dispersion type aqueous multicolor paint, and decompression agitation dispersion apparatus used for production of nano-order dispersion type aqueous multicolor paint |
| JP2015203427A (en) | 2014-04-11 | 2015-11-16 | 満和 小川 | Insulating material, method for manufacturing the same, and far infrared heating device |
| US20190077983A1 (en) | 2016-03-31 | 2019-03-14 | Rohm And Haas Company | Durable aqueous compositions for use in making traffic markings having good dirt pickup resistance and traffic markings made therewith |
| JP2019194323A (en) | 2018-05-01 | 2019-11-07 | 大宝化学工業株式会社 | Heat insulation coating composition having aqueous two-liquid curability, heat insulation paint coating method, and heat insulation pavement |
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