JP5634082B2 - Road pavement paint - Google Patents
Road pavement paint Download PDFInfo
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- JP5634082B2 JP5634082B2 JP2010044250A JP2010044250A JP5634082B2 JP 5634082 B2 JP5634082 B2 JP 5634082B2 JP 2010044250 A JP2010044250 A JP 2010044250A JP 2010044250 A JP2010044250 A JP 2010044250A JP 5634082 B2 JP5634082 B2 JP 5634082B2
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- 239000003973 paint Substances 0.000 title claims description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000002562 thickening agent Substances 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000000049 pigment Substances 0.000 claims description 17
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 229910021485 fumed silica Inorganic materials 0.000 claims description 12
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000012860 organic pigment Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 24
- 239000011248 coating agent Substances 0.000 description 23
- 230000004888 barrier function Effects 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 230000008719 thickening Effects 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- 238000002156 mixing Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 11
- 239000004925 Acrylic resin Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 229910002012 Aerosil® Inorganic materials 0.000 description 8
- 229910002016 Aerosil® 200 Inorganic materials 0.000 description 8
- 238000010422 painting Methods 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 7
- 239000001023 inorganic pigment Substances 0.000 description 7
- 238000009472 formulation Methods 0.000 description 5
- 229910052797 bismuth Inorganic materials 0.000 description 4
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 4
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 4
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PYUYQYBDJFMFTH-WMMMYUQOSA-N naphthol red Chemical compound CCOC1=CC=CC=C1NC(=O)C(C1=O)=CC2=CC=CC=C2\C1=N\NC1=CC=C(C(N)=O)C=C1 PYUYQYBDJFMFTH-WMMMYUQOSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 239000012720 thermal barrier coating Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Description
本発明は、道路舗装用塗料に関するものである。 The present invention relates to a road pavement paint.
一般に、道路舗装用塗料は、バスレーン、自転車専用道、駐車場、ETCレーン、公園などに使用されているが、特に雨降り時のスリップ事故を防ぐため粒度の粗い骨材粉や骨材片が多量に撒かれている。 In general, road pavement paints are used in bus lanes, bicycle paths, parking lots, ETC lanes, parks, etc., but there are large amounts of coarse aggregate powder and aggregate fragments especially to prevent slip accidents when it rains. It has been hit by
この骨材は、道路面を平滑にするために用いられる下塗り層を塗った後、スコップで多量にその下塗り層に振り掛け、硬化後に余分な骨材を掃き取って、滑り止め層として形成される。その後、上塗り層で被覆塗布し、滑り止めの道路舗装が完成する。つまり、下塗り、骨材振り掛け、骨材掃き取り、上塗りと4工程必要であった。 This aggregate is formed as an anti-slip layer by applying a primer layer used to smooth the road surface, sprinkling the primer layer in large quantities with a scoop, sweeping away the excess aggregate after curing . Thereafter, coating with a topcoat layer is applied to complete a non-slip road pavement. In other words, four steps were required: undercoating, aggregate sprinkling, aggregate sweeping, and topcoating.
道路舗装塗料上での滑り事故を防止するために多量の骨材が撒かれるが、下塗り、骨材振り掛け、掃き取り、上塗りと面倒な工程が加わると共に工期の延長につながるため、以前から上塗り塗料の中に骨材を混ぜ込みたいという施工業者からの強い要望があった。 A large amount of aggregate is sprinkled to prevent slipping accidents on road pavement paints, but it adds a primer, aggregate sprinkling, sweeping, top coating, and cumbersome processes, and also leads to an extension of the construction period. There was a strong request from the contractor to mix the aggregate into the interior.
しかしながら、骨材を上塗り塗料中に混ぜ込んで、滑り事故防止のための滑り抵抗値(BPN値)の業界指標値であるBPN値:50以上という高い値を満たすには、多量の骨材を混ぜ込むことになり、塗料粘度の上昇や保管期間中の骨材の沈降、固化が起こるため実現できなかった。 However, in order to satisfy the high value of BPN value: 50 or more which is an industry index value of slip resistance value (BPN value) for preventing slip accidents by mixing the aggregate into the top coating, a large amount of aggregate is required. This could not be realized because the viscosity of the paint increased and the aggregates settled and solidified during the storage period.
本発明の目的は、上記の従来技術の問題を解決し、上塗り塗料に滑止め用骨材を予め内部添加することにより、下塗り塗布硬化後直ちに上塗り層を形成でき、工数のみならず、大幅な工期の短縮も達成することができる、すなわち、迅速な道路開放が要求される現場工事に多大なメリットをもたらすことができる道路舗装用塗料を提供しようとすることにある。 The object of the present invention is to solve the above-mentioned problems of the prior art, and by previously adding an anti-slip aggregate to the top coat in advance, an overcoat layer can be formed immediately after the undercoat has been cured. It is an object of the present invention to provide a road pavement paint that can achieve a shortening of the work period, that is, can provide a great merit to a field work requiring a quick road opening.
本発明者らは、上記の点に鑑み鋭意研究を重ねた結果、滑止め用骨材の種類、粒径、混合量を決め、且つ塗料系の粘度、揺変度を適正化することで、作業性良好な塗料粘度、揺変度と塗料中の骨材分散の安定性を保つことができるだけでなく、塗装後の滑り抵抗値(BPN値):50以上という課題を克服することができた。 As a result of intensive studies in view of the above points, the present inventors have determined the type, particle size, and mixing amount of the non-slip aggregate, and by optimizing the viscosity and fluctuation of the paint system, Not only was it possible to maintain good workability, viscosity of the paint, stability of the dispersion in the paint, and dispersion of the aggregate in the paint, but also the problem of slip resistance after painting (BPN value): 50 or more was overcome. .
上塗り塗料に滑止め用骨材を予め内部添加することにより、下塗り塗布硬化後直ちに上塗り層を形成でき、工数のみならず大幅な工期の短縮も達成することができる。すなわち、迅速な道路開放が要求される現場工事に多大なメリットをもたらすことができることを見出し、本発明を完成するに至ったものである。 By previously adding an anti-slip aggregate to the top coat in advance, the top coat layer can be formed immediately after the base coat is cured, and not only the number of man-hours but also a significant shortening of the work period can be achieved. That is, it has been found that a great merit can be brought to the site construction that requires quick road opening, and the present invention has been completed.
上記の目的を達成するために、請求項1の道路舗装用塗料の発明は、ウレタン(メタ)アクリレート樹脂(A)100重量部に対して、無機または有機顔料よりなる顔料(B)5〜70重量部と、増粘剤(C1)としてのヒュームドシリカおよび増粘助剤(C2)としてのカルボン酸アミドまたはエチレングリコール1.2〜3.2重量部と、滑止め用骨材(D)20〜50重量部とを含み、JISK 6901に規定するB型粘度計による25℃における粘度が、20〜60ポイズ、および揺変度が2.0〜5.0であることを特徴としている。 To achieve the above object, the invention of coating a road pavement according to claim 1, to the urethane (meth) acrylate resins (A) 100 parts by weight of the pigment of an inorganic or organic pigment (B) 5 -70 parts by weight , fumed silica as thickener (C1) and 1.2-3.2 parts by weight of carboxylic acid amide or ethylene glycol as thickener (C2) , and non-slip aggregate ( D) 20 to 50 parts by weight, characterized in that the viscosity at 25 ° C. by a B-type viscometer specified in JISK 6901 is 20 to 60 poise, and the variation is 2.0 to 5.0. Yes.
請求項2の発明は、請求項1に記載の道路舗装用塗料であって、滑止め用骨材が、珪石、炭酸カルシウム、アルミナ、およびセラミック粉のうちの少なくとも一種の物質からなり、その粒径が1〜5mmであることを特徴としている。 The invention of claim 2 is the road pavement paint according to claim 1, wherein the non- slip aggregate is made of at least one substance selected from the group consisting of silica, calcium carbonate, alumina, and ceramic powder. The diameter is 1 to 5 mm .
本発明の道路舗装用塗料は、ウレタン(メタ)アクリレート樹脂(A)100重量部に対して、無機または有機顔料よりなる顔料(B)5〜70重量部と、増粘剤(C1)としてのヒュームドシリカおよび増粘助剤(C2)としてのカルボン酸アミドまたはエチレングリコール1.2〜3.2重量部と、滑止め用骨材(D)20〜50重量部とを含み、JISK 6901に規定するB型粘度計による25℃における粘度が、20〜60ポイズ、および揺変度が2.0〜5.0であることを特徴とするもので、本発明によれば、上塗り塗料に滑止め用骨材を予め内部添加することにより、下塗り塗布硬化後直ちに上塗り層を形成でき、工数のみならず大幅な工期の短縮も達成することができる。すなわち、迅速な道路開放が要求される現場工事に多大なメリットをもたらすことができる。 Road paving coating material of the present invention, with respect to urethane (meth) acrylate resins (A) 100 parts by weight of a pigment (B) 5 to 70 parts by weight of an inorganic or organic pigments, thickeners (C1) JISK containing fumed silica and 1.2 to 3.2 parts by weight of carboxylic acid amide or ethylene glycol as thickening aid (C2) and 20 to 50 parts by weight of non-slip aggregate (D), According to the present invention, the top coating material has a viscosity at 25 ° C. of 20 to 60 poise and a degree of change of 2.0 to 5.0 by a B-type viscometer specified in 6901. By adding an anti-slip aggregate in advance, an overcoat layer can be formed immediately after undercoating and curing, and not only the number of processes but also a significant shortening of the work period can be achieved. That is, it is possible to bring a great merit to the site construction that requires quick road opening.
本発明によれば、上記のように、滑止め用骨材の種類、粒径、混合量を決め、且つ塗料系の粘度、揺変度を適正化することで、作業性良好な塗料粘度、揺変度と塗料中の滑止め用骨材分散の安定性を、それぞれ保つことができるだけでなく、塗装後の滑り抵抗値(BPN値):50以上という課題を克服することができるという効果を奏する。 According to the present invention, as described above, by determining the type, particle size and mixing amount of the non-slip aggregate, and by optimizing the viscosity of the coating system and the degree of fluctuation, the coating viscosity with good workability, Not only can the stability of dispersion and anti-slip aggregate dispersion in the paint be maintained, but also the effect of overcoming the problem of slip resistance (BPN value) of 50 or more after painting. Play.
つぎに、本発明の実施の形態を説明するが、本発明はこれらに限定されるものではない。 Next, embodiments of the present invention will be described, but the present invention is not limited thereto.
本発明による道路舗装用塗料は、ウレタン(メタ)アクリレート樹脂(A)100重量部に対して、無機または有機顔料よりなる顔料(B)5〜70重量部と、増粘剤(C1)としてのヒュームドシリカおよび増粘助剤(C2)としてのカルボン酸アミドまたはエチレングリコール1.2〜3.2重量部と、滑止め用骨材(D)20〜50重量部とを含み、JISK 6901に規定するB型粘度計による25℃における粘度が、20〜60ポイズ、および揺変度が2.0〜5.0であることを特徴としている。 Paint road pavement according to the invention, with respect to urethane (meth) acrylate resins (A) 100 parts by weight of a pigment (B) 5 to 70 parts by weight of an inorganic or organic pigments, thickeners (C1) JISK containing fumed silica and 1.2 to 3.2 parts by weight of carboxylic acid amide or ethylene glycol as thickening aid (C2) and 20 to 50 parts by weight of non-slip aggregate (D), The viscosity at 25 ° C. measured by a B-type viscometer specified in 6901 is 20 to 60 poise, and the variation is 2.0 to 5.0.
本発明において、対象とする樹脂(A)は、道路舗装用に使用されるウレタン(メタ)アクリレートである。 In the present invention, the target resin (A) is urethane (meth) acrylate used for road paving.
顔料(B)組成は、遮熱配合または非遮熱配合に適応できる。 The pigment (B) composition can be applied to a heat-shielding formulation or a non-heat-shielding formulation.
遮熱性能を付加する顔料は、可視光と近赤外線領域光を反射する酸化チタン白あるいはチタン黄と、その領域光を透過する有機顔料を組み合わせることによって、すべての色調に於いて高い日射反射率を得ることができる遮熱塗料を設計することができる。 The pigment that adds heat insulation performance is high solar reflectance in all colors by combining titanium oxide white or titanium yellow reflecting visible light and near-infrared light and organic pigments that transmit light in that light. It is possible to design a thermal barrier coating material that can achieve the above.
これには、道路面の下地調整に塗られる下塗り塗料を白色にし、上塗りにチタンと有機顔料で調色した遮熱層とで高日射反射率を得る方法と、上塗り一層で上記の遮熱層を形成する方法とがある。 This includes a method of obtaining a high solar reflectance with a heat-shielding layer prepared by whitening an undercoating paint to be used for road surface base adjustment and toning with titanium and an organic pigment in the top coating, and the above-described heat-shielding layer in a single overcoating layer. There is a method of forming.
顔料(B)の配合量は、上記の樹脂100重量部に対し、合計で、5〜70重量部である。これより少ないと、遮熱配合の場合は、充分な日射反射率を得ることができず、また非遮熱配合の場合は、充分な隠蔽力を得ることができず、美観を損なう。一方、これより多いと、滑止め用骨材との配合で樹脂量が少なくなるため、塗料粘度が高くなり過ぎるだけでなく、塗膜が脆くなり塗膜剥離やクラックの原因となり不適当である。 The total amount of the pigment (B) is 5 to 70 parts by weight with respect to 100 parts by weight of the resin. If the amount is less than this, a sufficient solar reflectance cannot be obtained in the case of the heat shielding composition, and a sufficient hiding power cannot be obtained in the case of the non-heat shielding composition, which impairs the aesthetic appearance. On the other hand, if the amount is more than this, the amount of the resin is reduced by blending with the non-slip aggregate, so that not only the viscosity of the coating becomes too high, but also the coating becomes brittle and undesirably causes the coating to peel or crack .
本発明による道路舗装用塗料において、塗料特性を付与するには、増粘剤(C1)と増粘助剤(C2)を併用する。 In road pavement coatings according to the invention, to impart paint properties, combined with thickener (C1) increasing NebaSuke agent (C2).
ここで、増粘剤(C1)は、ヒュームドシリカである。また、増粘助剤(C2)は、カルボン酸アミド類またはエチレングリコールである。 Here, a thickening agent (C1) is a Hyumudoshiri mosquitoes. The thickening aid (C2) is a carboxylic acid amide or ethylene glycol .
本発明による道路舗装用塗料において、増粘剤(C1)および増粘助剤(C2)の配合量は、上記の樹脂100重量部に対し、1.2〜3.2重量部である。ここで、増粘剤(C1)および増粘助剤(C2)の配合量が、これより少ないと、道路舗装用塗料の粘度を適正な範囲とすることができず、また、これより多くても、やはり道路舗装用塗料の粘度を適正な範囲とすることができないので好ましくない。 In the road pavement coating material according to the present invention, the blending amount of the thickener (C1) and the thickening aid (C2) is 1.2 to 3.2 parts by weight with respect to 100 parts by weight of the resin. Here, if the blending amount of the thickening agent (C1) and the thickening aid (C2) is less than this, the viscosity of the road pavement paint cannot be within an appropriate range, and more than this. However, it is also not preferable because the viscosity of the road pavement paint cannot be within an appropriate range.
本発明による道路舗装用塗料において、滑止め用骨材(D)としては、珪石、炭酸カルシウム、アルミナ、およびセラミック粉のうちの少なくとも一種の物質を使用する。 In the road pavement paint according to the present invention, as the non-slip aggregate (D), at least one substance of quartzite, calcium carbonate, alumina, and ceramic powder is used.
ここで、滑止め用骨材(D)の配合量は、上記の樹脂100重量部に対し、20〜50重量部である。滑止め用骨材(D)の配合量が20重量部より少ないと、塗装後の滑り抵抗値(BPN値):50以上を得ることができず、また、50滑止め用骨材(D)の配合量が50重量部を超えると、塗料の塗装作業性が極端に悪くなるだけでなく、塗料保管期間中で滑止め用骨材の沈降、固化が発生するので好ましくない。 Here, the compounding amount of the non-slip aggregate (D) is 20 to 50 parts by weight with respect to 100 parts by weight of the resin. When the blending amount of the non-slip aggregate (D) is less than 20 parts by weight, a slip resistance value after coating (BPN value): 50 or more cannot be obtained, and 50 non-slip aggregate (D) If the blending amount exceeds 50 parts by weight, not only the coating workability of the paint is extremely deteriorated, but also the non-slip aggregate is settled and solidified during the paint storage period, which is not preferable.
また、スリップ事故防止のために使用される滑止め用骨材(D)の粒径は、規定の滑り抵抗値(BPN値):50以上を得るために、1〜5mmである。 The particle size of the non-slip aggregate (D) used for preventing slip accidents is 1 to 5 mm in order to obtain a prescribed slip resistance value (BPN value): 50 or more.
本発明による道路舗装用塗料において、滑止め用骨材を沈降、固化させることなく良好な分散安定性を得るためには、塗料粘度は、JIS K 6901に規定するB型粘度計で、25℃において、20〜60ポイズ、および揺変度は、2.0〜5.0である。 In the road pavement paint according to the present invention, in order to obtain good dispersion stability without settling and solidifying the non-slip aggregate, the paint viscosity is a B-type viscometer defined in JIS K 6901, 25 ° C. In the above, 20 to 60 poise and the fluctuation degree are 2.0 to 5.0.
ここで、道路舗装用塗料の粘度および揺変度が、上記の下限値を下回ると、滑止め用骨材の沈降が保管中の早期に発生して固化し、再分散が難しくなる。一方、道路舗装用塗料の粘度および揺変度が、上記の上限値を超えると、塗料の流動性が極端に悪化し、塗布作業に支障をきたすこととなるので好ましくない。 Here, when the viscosity and the degree of variability of the road pavement paint are below the above lower limit values, sedimentation of the non-slip aggregate occurs and solidifies early during storage, making re-dispersion difficult. On the other hand, when the viscosity and the degree of variability of the road pavement paint exceed the above upper limit values, the fluidity of the paint is extremely deteriorated, and this hinders the application work.
本発明の道路舗装用塗料によれば、上記したように、滑止め用骨材の種類、粒径、混合量を決め、および塗料系の粘度、揺変度を適正化することで、作業性良好な塗料粘度、揺変度と塗料中の滑止め用骨材分散の安定性を保つことができるだけでなく、塗装後の滑り抵抗値(BPN値):50以上という課題を克服することができた。 According to the road pavement paint of the present invention, as described above, by determining the type, particle size and mixing amount of the non-slip aggregate, and optimizing the viscosity and fluctuation of the paint system, workability is improved. Not only can it maintain good paint viscosity, stability, and stability of non-slip aggregate dispersion in the paint, but it can also overcome the problem of slip resistance after painting (BPN value): 50 or more. It was.
つぎに、本発明の実施例を比較例と共に説明するが、本発明は、これらの実施例に限定されるものではない。但し、実施例4と6は参考例として記載したものである。 Next, examples of the present invention will be described together with comparative examples, but the present invention is not limited to these examples. However, Examples 4 and 6 are described as reference examples.
実施例1
本発明による日本塗料工業会N−60色、低臭気性の道路舗装用遮熱塗料を 下記の配合により作製した。
Example 1
The Japan Paint Industry Association N-60 color, low odor thermal barrier paint for road pavement according to the present invention was prepared by the following formulation.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC社製)
顔料(B)
酸化チタン 15重量部
(商品名、チオナ595、ミレニアム社製)
アンスラキノンブルー 2.3重量部
(商品名、ST−1309、大日精化社製)
ビスマスイエロー 9.0重量部
(商品名、NL―B5G、大日精化社製)
ナフトールレッド 5.8重量部
(商品名、NL―FV3、大日精化社製)
増粘剤(C1)
ヒュームドシリカ 3.0重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.2重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
セラミック粉(直径1.5mm) 50重量部
(商品名、HW−B、美州興産社製)
該低臭樹脂遮熱塗料の粘度は、温度25℃で、45ポイズ、揺変度は、4.0であった。なお、塗料の粘度、揺変度は、JIS K 6901(B型、ローターNo.4)25℃で測定した。
100 parts by weight of low odor urethane (meth) acrylate resin (A) (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
Titanium oxide 15 parts by weight (trade name, Thiona 595, manufactured by Millennium)
2.3 parts by weight of anthraquinone blue (trade name, ST-1309, manufactured by Dainichi Seika)
Bismuth Yellow 9.0 parts by weight (trade name, NL-B5G, manufactured by Dainichi Seika Co., Ltd.)
5.8 parts by weight of naphthol red (trade name, NL-FV3, manufactured by Dainichi Seika)
Thickener (C1)
Fumed silica 3.0 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.2 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
Ceramic powder (diameter 1.5 mm) 50 parts by weight (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The viscosity of the low-odor resin thermal barrier paint was 45 poise at a temperature of 25 ° C., and the degree of change was 4.0. In addition, the viscosity of the coating material and the degree of change were measured at 25 ° C. in JIS K 6901 (B type, rotor No. 4).
実施例2
上記実施例1の場合と同様に、本発明による日本塗料工業会69−80H色ブルーの低臭気性道路舗装用遮熱塗料を下記の配合により作製した。
Example 2
As in the case of Example 1 above, the Japan Paint Industry Association 69-80H color blue low-odor road thermal barrier paint according to the present invention was prepared by the following formulation.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC社製)
顔料(B)
酸化チタン 18重量部
(商品名、チオナ595、ミレニアム社製)
フタロシアニンブルー 0.6重量部
(商品名、PC−4047、DIC社製)
ビスマスイエロー 0.6重量部
(商品名、NL―B5G、大日精化社製)
増粘剤(C1)
ヒュームドシリカ 1.6重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
エチレングリコール(日本触媒社製) 0.16重量部
滑止め用骨材(D)
セラミック粉 40重量部
(商品名、HW−B、美州興産社製)
該低臭樹脂遮熱塗料の粘度は、温度25℃で、30ポイズ、揺変度は、2.5であった。
100 parts by weight of low odor urethane (meth) acrylate resin (A) (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
18 parts by weight of titanium oxide (trade name, Thiona 595, manufactured by Millennium)
0.6 parts by weight of phthalocyanine blue (trade name, PC-4047, manufactured by DIC)
Bismuth yellow 0.6 parts by weight (trade name, NL-B5G, manufactured by Dainichi Seika Co., Ltd.)
Thickener (C1)
1.6 parts by weight of fumed silica (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Ethylene glycol (made by Nippon Shokubai Co., Ltd.) 0.16 parts by weight Anti-slip aggregate (D)
40 parts by weight of ceramic powder (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The low odor resin thermal barrier paint had a viscosity of 30 poise at a temperature of 25 ° C. and a throttling degree of 2.5.
実施例3
上記実施例1の場合と同様に、本発明による日本塗料工業会37−70H色の道路舗装用遮熱塗料を下記の配合により作製した。
Example 3
In the same manner as in Example 1 above, a thermal barrier paint for road pavement of the Japan Paint Industry Association 37-70H color according to the present invention was prepared by the following formulation.
MMA系ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーHTP−502、DIC社製)
顔料(B)
酸化チタン 18重量部
(商品名、チオナ595、ミレニアム社製)
フタロシアニンブルー 0.8重量部
(商品名、PC−4047、DIC社製)
フタロシアニングリーン 0.8重量部
(商品名、PC−4046、DIC社製)
イルガジンイエロー 11重量部
(商品名、3RLTN、チバスペシャリティー社製)
増粘剤(C1)
ヒュームドシリカ 0.8重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.4重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
珪石粉(直径2mm) 25重量部
(東海工業社製)
該MMA系樹脂遮熱塗料の粘度は、温度25℃で、22ポイズ、揺変度は、2.1であった。
MMA urethane (meth) acrylate resin (A) 100 parts by weight (trade name, Diover HTP-502, manufactured by DIC Corporation)
Pigment (B)
18 parts by weight of titanium oxide (trade name, Thiona 595, manufactured by Millennium)
Phthalocyanine blue 0.8 parts by weight (trade name, PC-4047, manufactured by DIC)
Phthalocyanine green 0.8 part by weight (trade name, PC-4046, manufactured by DIC)
11 parts by weight of irgadine yellow (trade name, 3RLTN, manufactured by Ciba Specialty)
Thickener (C1)
Fumed silica 0.8 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.4 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
Silica powder (2mm in diameter) 25 parts by weight (Tokai Kogyo Co., Ltd.)
The viscosity of the MMA resin thermal barrier paint was 22 poise at a temperature of 25 ° C., and the variation was 2.1.
実施例4
上記実施例3の場合と同様に、本発明による道路舗装用遮熱塗料を下記の配合により作製した。
Example 4
As in the case of Example 3, the thermal barrier paint for road pavement according to the present invention was prepared by the following composition.
MMA系ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーHTP−502、DIC社製)
顔料(B)
酸化チタン 18重量部
(商品名、チオナ595、ミレニアム社製)
フタロシアニンブルー 0.8重量部
(商品名、PC−4047、DIC社製)
フタロシアニングリーン 0.8重量部
(商品名、PC−4046、DIC社製)
イルガジンイエロー 11重量部
(商品名、3RLTN、チバスペシャリティー社製)
増粘剤(C1)
脂肪酸アマイド 4.0重量部
(楠本化成社製)
滑止め用骨材(D)
珪石粉(直径1.5mm) 25重量部
(東海工業社製)
該MMA系樹脂遮熱塗料の粘度は、温度25℃で、23ポイズ、揺変度は、2.2であった。
MMA urethane (meth) acrylate resin (A) 100 parts by weight (trade name, Diover HTP-502, manufactured by DIC Corporation)
Pigment (B)
18 parts by weight of titanium oxide (trade name, Thiona 595, manufactured by Millennium)
Phthalocyanine blue 0.8 parts by weight (trade name, PC-4047, manufactured by DIC)
Phthalocyanine green 0.8 part by weight (trade name, PC-4046, manufactured by DIC)
11 parts by weight of irgadine yellow (trade name, 3RLTN, manufactured by Ciba Specialty)
Thickener (C1)
Fatty acid amide 4.0 parts by weight (manufactured by Enomoto Kasei Co., Ltd.)
Non-slip aggregate (D)
Silica powder (diameter 1.5mm) 25 parts by weight (manufactured by Tokai Kogyo Co., Ltd.)
The viscosity of the MMA-based resin thermal barrier paint was 23 poise at a temperature of 25 ° C., and the variation was 2.2.
実施例5
本発明による茶色の低臭気性道路舗装用非遮熱塗料を下記の配合により作成した。
Example 5
A brown, low odor, non-thermal barrier paint for road pavement according to the present invention was prepared by the following composition.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC社製)
顔料(B)
酸化チタン 3重量部
(商品名、チオナ595、ミレニアム社製)
焼成無機顔料 1重量部
(商品名、42−302A、東罐マテリアル・テクノロジー社製)
焼成無機顔料 9.5重量部
(商品名、42−119A、東罐マテリアル・テクノロジー社製)
酸化鉄 27重量部
(商品名、140ED、戸田工業社製)
増粘剤(C1)
ヒュームドシリカ 3.0重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.1重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
セラミック粉(直径1.5mm) 22重量部
(商品名、HW−B、美州興産社製)
該非遮熱塗料の粘度は、温度25℃で、41ポイズ、揺変度は、3.5であった。
100 parts by weight of low odor urethane (meth) acrylate resin (A) (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
Titanium oxide 3 parts by weight (trade name, Thiona 595, manufactured by Millennium)
1 part by weight of calcined inorganic pigment (trade name, 42-302A, manufactured by Toago Material Technology)
9.5 parts by weight of calcined inorganic pigment (trade name, 42-119A, manufactured by Toago Material Technology)
27 parts by weight of iron oxide (trade name, 140ED, manufactured by Toda Kogyo Co., Ltd.)
Thickener (C1)
Fumed silica 3.0 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.1 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
Ceramic powder (diameter 1.5 mm) 22 parts by weight (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The viscosity of the non-heat-shielding paint was 25 ° C., 41 poise, and the degree of change was 3.5.
実施例6
本発明による青色の道路舗装用非遮熱塗料を下記の配合により作製した。
Example 6
A blue non-heat-shielding paint for road pavement according to the present invention was prepared by the following composition.
MMA系ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーHTP−502、DIC社製)
顔料(B)
酸化チタン 24重量部
(商品名、チオナ595、ミレニアム社製)
焼成無機顔料 0.2重量部
(商品名、42−302A、東罐マテリアル・テクノロジー社製)
焼成無機顔料 40重量部
(商品名、42−250A、東罐マテリアル・テクノロジー社製)
増粘剤(C1)
有機粘土 4.0重量部
(商品名、ガラマイト、Southern Clay Products社製) 滑止め用骨材(D)
セラミック粉(直径1.5mm) 30重量部
(商品名、HW−B、美州興産社製)
該非遮熱塗料の粘度は、温度25℃で、20ポイズ、揺変度は、2.1であった。
MMA urethane (meth) acrylate resin (A) 100 parts by weight (trade name, Diover HTP-502, manufactured by DIC Corporation)
Pigment (B)
24 parts by weight of titanium oxide (trade name, Thiona 595, manufactured by Millennium)
Baked inorganic pigment 0.2 parts by weight (trade name, 42-302A, manufactured by Toago Material Technology)
Baked inorganic pigment 40 parts by weight (trade name, 42-250A, manufactured by Toago Material Technology Co., Ltd.)
Thickener (C1)
4.0 parts by weight of organic clay (Brand name, Galamite, manufactured by Southern Clay Products) Non-slip aggregate (D)
30 parts by weight of ceramic powder (diameter 1.5 mm) (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The viscosity of the non-heat-shielding paint was 20 poise at a temperature of 25 ° C., and the variation was 2.1.
比較例1
比較のために、道路舗装用遮熱塗料を作製するが、滑止め用骨材(D)の配合量を本発明の範囲外とした。
Comparative Example 1
For comparison, a heat-shielding paint for road pavement was prepared, but the amount of the non-slip aggregate (D) was out of the scope of the present invention.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC社製)
顔料(B)
酸化チタン 12重量部
(商品名、チオナ595、ミレニアム社製)
アンスラキノンブルー 2.0重量部
(商品名、ST−1309、大日精化社製)
ビスマスイエロー 7.4重量部
(商品名、NL―B5G、大日精化社製)
ナフトールレッド 4.8重量部
(商品名、NL―FV3、大日精化社製)
増粘剤(C1)
ヒュームドシリカ 3.0重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.1重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
セラミック粉(直径1.5mm) 18重量部
(商品名、HW−B、美州興産社製)
該遮熱塗料の粘度は、温度25℃で、42ポイズ、揺変度は、3.6であった。
100 parts by weight of low odor urethane (meth) acrylate resin (A) (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
Titanium oxide 12 parts by weight (trade name, Thiona 595, manufactured by Millennium)
Anthraquinone Blue 2.0 parts by weight (trade name, ST-1309, manufactured by Dainichi Seika)
7.4 parts by weight of bismuth yellow (trade name, NL-B5G, manufactured by Dainichi Seika Co., Ltd.)
4.8 parts by weight of naphthol red (trade name, NL-FV3, manufactured by Dainichi Seika)
Thickener (C1)
Fumed silica 3.0 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.1 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
18 parts by weight of ceramic powder (diameter 1.5 mm) (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The viscosity of the thermal barrier coating was 25 ° C., 42 poise, and the degree of change was 3.6.
比較例2
比較のために、道路舗装用遮熱塗料を作製するが、増粘剤(C)の配合量を本発明の範囲外とした。
Comparative Example 2
For comparison, a heat-shielding paint for road pavement was prepared, but the blending amount of the thickener (C) was out of the scope of the present invention.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC社製)
顔料(B)
酸化チタン 12重量部
(商品名、チオナ595、ミレニアム社製)
アンスラキノンブルー 2.0重量部
(商品名、ST−1309、大日精化社製)
ビスマスイエロー 7.4重量部
(商品名、NL―B5G、大日精化社製)
ナフトールレッド 4.8重量部
(商品名、NL―FV3、大日精化社製)
増粘剤(C1)
ヒュームドシリカ 0.2重量部
(商品名、アエロジル200、日本アエロジル社製)
滑止め用骨材(D)
セラミック粉(直径1.5mm) 50重量部
(商品名、HW−B、美州興産社製)
該遮熱塗料の粘度は、温度25℃で、13ポイズ、揺変度は、1.2であった。 この比較例2の遮熱塗料は、作製数時間後には骨材は沈降し、1日後には再分散が難しいハードケーキ状態となった。
100 parts by weight of low odor urethane (meth) acrylate resin (A) (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
Titanium oxide 12 parts by weight (trade name, Thiona 595, manufactured by Millennium)
Anthraquinone Blue 2.0 parts by weight (trade name, ST-1309, manufactured by Dainichi Seika)
7.4 parts by weight of bismuth yellow (trade name, NL-B5G, manufactured by Dainichi Seika Co., Ltd.)
4.8 parts by weight of naphthol red (trade name, NL-FV3, manufactured by Dainichi Seika)
Thickener (C1)
Fumed silica 0.2 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Non-slip aggregate (D)
Ceramic powder (diameter 1.5 mm) 50 parts by weight (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The thermal barrier paint had a viscosity of 13 poise at a temperature of 25 ° C. and a variation of 1.2. In the thermal barrier paint of Comparative Example 2, the aggregate settled after several hours of production, and a hard cake state was difficult to redisperse after one day.
比較例3
比較のために、道路舗装用遮熱塗料を作製するが、増粘剤(C)の配合量を本発明の範囲外とした。
Comparative Example 3
For comparison, a heat-shielding paint for road pavement was prepared, but the blending amount of the thickener (C) was out of the scope of the present invention.
低臭気ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーXO−DV−21−8、DIC株式会社製)
顔料(B)
(商品名、チオナ595、ミレニアム社製)
酸化チタン 12重量部
アンスラキノンブルー 2.0重量部
(商品名、ST−1309、大日精化社製)
ビスマスイエロー 7.4重量部
(商品名、NL―B5G、大日精化社製)
ナフトールレッド 4.8重量部
(商品名、NL―FV3、大日精化社製)
増粘剤(C1)
ヒュームドシリカ 5.0重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.2重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
セラミック粉(直径1.5mm) 50重量部
(商品名、HW−B、美州興産社製)
該遮熱塗料の粘度は、温度25℃で、65ポイズ、揺変度は、5.2であった。
Low odor urethane (meth) acrylate resin (A) 100 parts by weight (trade name, Diover XO-DV-21-8, manufactured by DIC Corporation)
Pigment (B)
(Product name, Thiona 595, manufactured by Millennium)
Titanium oxide 12 parts by weight Anthraquinone blue 2.0 parts by weight (trade name, ST-1309, manufactured by Dainichi Seika Co., Ltd.)
7.4 parts by weight of bismuth yellow (trade name, NL-B5G, manufactured by Dainichi Seika Co., Ltd.)
4.8 parts by weight of naphthol red (trade name, NL-FV3, manufactured by Dainichi Seika)
Thickener (C1)
Fumed silica 5.0 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.2 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
Ceramic powder (diameter 1.5 mm) 50 parts by weight (trade name, HW-B, manufactured by Mishu Kosan Co., Ltd.)
The viscosity of the thermal barrier paint was 65 poise at a temperature of 25 ° C., and the fluctuation was 5.2.
この比較例3の遮熱塗料をローラー塗布しようしたが、粘度が高すぎ連続塗膜を形成できなかった。 The thermal barrier paint of Comparative Example 3 was applied with a roller, but the viscosity was too high to form a continuous coating film.
比較例4
比較のために、実施例3の場合と同様に道路舗装用遮熱塗料を作製するが、滑止め用骨材(D)の配合量を本発明の範囲外とした。
Comparative Example 4
For comparison, a heat-shielding paint for road pavement is produced in the same manner as in Example 3, but the amount of the non-slip aggregate (D) is out of the scope of the present invention.
MMA系ウレタン(メタ)アクリレート樹脂(A) 100重量部
(商品名、ディオバーHTP−502、DIC株式会社製)
顔料(B)
酸化チタン 18重量部
(商品名、チオナ595、ミレニアム社製)
フタロシアニンブルー 0.8重量部
(商品名、PC−4047、DIC社製)
フタロシアニングリーン 0.8重量部
(商品名、PC−4046、DIC社製)
イルガジンイエロー 11重量部
(商品名、3RLTN、チバスペシャリティー社製)
増粘剤(C1)
ヒュームドシリカ 0.8重量部
(商品名、アエロジル200、日本アエロジル社製)
増粘助剤(C2)
カルボン酸アミド 0.4重量部
(商品名、R−605、ビックケミー社製)
滑止め用骨材(D)
珪石粉(直径1.5mm) 60重量部
(東海工業株式会社製)
該MMA系樹脂遮熱塗料の粘度は、温度25℃で、62ポイズ、揺変度は、1.7であった。
MMA urethane (meth) acrylate resin (A) 100 parts by weight (trade name, Diover HTP-502, manufactured by DIC Corporation)
Pigment (B)
18 parts by weight of titanium oxide (trade name, Thiona 595, manufactured by Millennium)
Phthalocyanine blue 0.8 parts by weight (trade name, PC-4047, manufactured by DIC)
Phthalocyanine green 0.8 part by weight (trade name, PC-4046, manufactured by DIC)
11 parts by weight of irgadine yellow (trade name, 3RLTN, manufactured by Ciba Specialty)
Thickener (C1)
Fumed silica 0.8 parts by weight (trade name, Aerosil 200, manufactured by Nippon Aerosil Co., Ltd.)
Thickening aid (C2)
Carboxylic acid amide 0.4 parts by weight (trade name, R-605, manufactured by Big Chemie)
Non-slip aggregate (D)
Silica powder (diameter 1.5mm) 60 parts by weight (manufactured by Tokai Kogyo Co., Ltd.)
The viscosity of the MMA-based resin thermal barrier coating was 62 poise at a temperature of 25 ° C., and the variation was 1.7.
この比較例4の遮熱塗料は、粘度が高いため塗布が難しく連続塗膜を形成できなかった。また、塗料の揺変度が低いため骨材が翌日沈降した。 The thermal barrier paint of Comparative Example 4 was difficult to apply because of its high viscosity, and a continuous coating film could not be formed. In addition, the aggregate settled the next day due to the low degree of fluctuation of the paint.
(道路舗装用塗料の評価)
つぎに、上記実施例1〜6および比較例1〜4で得られた道路舗装用塗料について、骨材の沈降の有無、塗装後の滑り抵抗値(BPN値)、および塗装後の日射反射率を、下記のようにして測定し、得られた結果を下記の表1にまとめて示した。
(Evaluation of paint for road paving)
Next, with respect to the road pavement paints obtained in Examples 1 to 6 and Comparative Examples 1 to 4, the presence or absence of aggregate sedimentation, the slip resistance value after painting (BPN value), and the solar reflectance after painting Were measured as follows, and the obtained results are summarized in Table 1 below.
骨材の沈降:温度30℃で保管し、3日後の状態を測定した。 Aggregate settling: Stored at a temperature of 30 ° C. and measured after 3 days.
滑り抵抗値(BPN値):路面温度20℃、路面WET状態での測定値で、BPN値:50以上が合格。 Slip resistance value (BPN value): A measured value in a road surface temperature of 20 ° C. and a road surface WET state, BPN value: 50 or more passed.
日射反射率(%):塗装後の骨材入り塗料の塗膜について、JIS K 5602による測定値。日射反射率:50%以上が合格。
上記表1の結果から明らかなように、本発明の実施例1〜6で得られた道路舗装用塗料によれば、いずれも骨材の沈降が無く、塗装後の滑り抵抗値(BPN値)は50以上で、業界指標値に合格するものであった。また、塗装後の骨材入り塗料の塗膜の日射反射率については、本発明の実施例1〜4で得られた道路舗装用塗料については、いずれも52%を超えており、本発明の実施例1〜4で得られた道路舗装用塗料の塗膜は、遮熱性に優れているものであった。 As is clear from the results of Table 1 above, according to the road pavement paints obtained in Examples 1 to 6 of the present invention, there is no settling of aggregate, and the slip resistance value (BPN value) after painting. Was over 50 and passed the industry index value. Moreover, about the solar reflectance of the coating film of the aggregate-containing paint after painting, the road pavement paints obtained in Examples 1 to 4 of the present invention all exceed 52%. The coating films of road pavement paints obtained in Examples 1 to 4 were excellent in heat shielding properties.
これに対し、比較例1〜4で得られた道路舗装用塗料のうち、比較例1の道路舗装用塗料では、滑止め骨材の配合量が少ないために、塗装後の滑り抵抗値(BPN値)が35で、業界指標値に満たないものであった。また、比較例2と4の道路舗装用塗料については、骨材の沈降がみられた。さらに、比較例3の道路舗装用塗料については、粘度が高過ぎて連続塗膜を形成することはできなかった。このため、比較例2〜4では、いずれも塗料塗膜の日射反射率を測定することができなかった。 On the other hand, among the road pavement paints obtained in Comparative Examples 1 to 4, the road pavement paint of Comparative Example 1 has a small amount of non-slip aggregate, so the slip resistance value (BPN after painting) Value) was 35, which was less than the industry index value. In addition, regarding the road pavement paints of Comparative Examples 2 and 4, the sedimentation of the aggregate was observed. Furthermore, with respect to the road pavement paint of Comparative Example 3, the viscosity was too high to form a continuous coating film. For this reason, in Comparative Examples 2 to 4, the solar reflectance of the paint coating film could not be measured.
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| JP6404093B2 (en) * | 2014-11-14 | 2018-10-10 | 株式会社名倉ルーフ | Anti-slip coating material and anti-slip construction method |
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