JPH11302549A - Infrared-reflective composition and infrared reflector - Google Patents
Infrared-reflective composition and infrared reflectorInfo
- Publication number
- JPH11302549A JPH11302549A JP10126672A JP12667298A JPH11302549A JP H11302549 A JPH11302549 A JP H11302549A JP 10126672 A JP10126672 A JP 10126672A JP 12667298 A JP12667298 A JP 12667298A JP H11302549 A JPH11302549 A JP H11302549A
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- layer
- resin
- reflector
- pigment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】 本発明は、太陽光に含まれる赤
外線を反射する赤外線反射組成物及び赤外線反射体に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an infrared reflecting composition and an infrared reflecting body for reflecting infrared light contained in sunlight.
【０００２】[0002]
【従来の技術】 従来の技術としては、例えば赤外線を
反射する酸化チタン、酸化クロム、酸化コバルト、酸化
バリウムなどの金属酸化物系顔料を使用した塗料があ
り、この塗料を目的物に塗布してなる単層構造の塗料膜
で赤外線を反射させていた。2. Description of the Related Art As a conventional technique, there is a paint using a metal oxide pigment such as titanium oxide, chromium oxide, cobalt oxide, and barium oxide that reflects infrared rays. The infrared rays were reflected by a paint film having a single layer structure.
【０００３】[0003]
【発明が解決するための課題】 しかしながら、従来の
技術にあっては、酸化チタン以外は一般的な顔料とは言
えず、特殊な組成物であり、高価であった。However, in the prior art, other than titanium oxide, it cannot be said that it is a general pigment, it is a special composition, and it is expensive.
【０００４】 さらには、赤外線を反射する働きを行う
顔料の含有量が多い明るい色調の塗料では、赤外線を比
較的反射し、赤外線の影響による温度上昇を少なくでき
るが、赤外線を反射する顔料の割合を低下させざるを得
ない暗い色調になると、赤外線を反射する性能が低下
し、赤外線の影響による温度上昇が大きくなるため、発
色可能範囲が狭く、色調の明るさの制限が大きかった。
このことは意匠性を要求される用途では大きな欠点とな
っていた。[0004] Furthermore, in a light-colored paint containing a large amount of a pigment that functions to reflect infrared light, it can relatively reflect infrared light and reduce the temperature rise due to the influence of infrared light. When the color tone becomes darker, which has to be reduced, the ability to reflect infrared rays decreases, and the temperature rise due to the influence of infrared rays increases. Therefore, the colorable range is narrow, and the brightness of the color tone is greatly limited.
This has been a major drawback in applications requiring design properties.
【０００５】 したがって、本発明の目的は赤外線反射
機能に優れながら明度の高い色から明度の低い色まで、
発色可能範囲が広く意匠性の自由度に優れた赤外線反射
組成物及び赤外線反射体を提供することにある。[0005] Accordingly, an object of the present invention is to provide a high brightness to a low brightness color with excellent infrared reflection function.
An object of the present invention is to provide an infrared reflecting composition and an infrared reflecting body which have a wide color forming range and are excellent in design freedom.
【０００６】[0006]
【問題を解決するための手段】 請求１に記載の発明
は、上記問題を解決するために、樹脂組成物中の着色成
分としてのカーボンブラックが０．１重量％以下で、赤
外線吸収の少ない赤外線反射特性を有する顔料及び／又
は染料を含有することを特徴とする赤外線反射組成物を
提供するものである。Means for Solving the Problems In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that carbon black as a coloring component in the resin composition is 0.1% by weight or less and infrared rays having little infrared absorption. An object of the present invention is to provide an infrared reflective composition comprising a pigment and / or a dye having reflective properties.
【０００７】 請求２に記載の発明は、上記問題を解決
するために、赤外線吸収の少ない樹脂組成物と赤外線反
射成分とからなる第１の層と、該第１の層の上に形成さ
れる層であって赤外線吸収が少なく、赤外線を実質的に
透過又は反射する第２の層とを少なくとも備えることを
特徴とする赤外線反射体を提供するものである。According to a second aspect of the present invention, in order to solve the above problem, a first layer comprising a resin composition having low infrared absorption and an infrared reflection component, and a first layer formed on the first layer. A second layer, which is a layer that has low infrared absorption and substantially transmits or reflects infrared light, is provided.
【０００８】 請求３に記載の発明は、上記問題を解決
するために、請求項２において、前記第１の層は、酸化
鉄、酸化チタン、鱗片状アルミニウム粉末、ステンレス
粉末、酸化チタンコートされたマイカ粉からなる群より
選ばれる１種類以上を含有することを特徴とする赤外線
反射体を提供するものである。According to a third aspect of the present invention, in order to solve the above problem, in the second aspect, the first layer is coated with iron oxide, titanium oxide, flaky aluminum powder, stainless steel powder, and titanium oxide. It is intended to provide an infrared reflector characterized by containing one or more kinds selected from the group consisting of mica powder.
【０００９】 請求４に記載の発明は、上記問題を解決
するために、表面の滑らかな鉄、アルミニウム、ステン
レスなどの赤外線反射性に優れた金属層と、該金属層の
上に形成される層であって、赤外線を透過及び／又は反
射する第２の層とを少なくとも備えることを特徴とする
赤外線反射体を提供するものである。According to a fourth aspect of the present invention, there is provided a metal layer having excellent infrared reflectivity, such as iron, aluminum, or stainless steel, having a smooth surface, and a layer formed on the metal layer. And at least a second layer that transmits and / or reflects infrared light.
【００１０】 請求５に記載の発明は、上記問題を解決
するために、請求項２ないし請求項４のいずれかにおい
て、前記第２の層は、着色成分として含有される波長８
００〜３０００ｎｍの赤外線を強く吸収するのカーボン
ブラックが０．１重量％以下であることを特徴とする赤
外線反射体を提供するものである。According to a fifth aspect of the present invention, in order to solve the above problem, the second layer according to any one of the second to fourth aspects, wherein the second layer has a wavelength of 8 which is contained as a coloring component.
It is an object of the present invention to provide an infrared reflector characterized in that carbon black that strongly absorbs infrared rays of from 00 to 3000 nm is 0.1% by weight or less.
【００１１】 請求６に記載の発明は、上記問題を解決
するために、請求項２ないし請求項４のいずれかにおい
て、前記第２の層は請求項１の赤外線反射組成物である
ことを特徴とする赤外線反射体を提供するものである。According to a sixth aspect of the present invention, in order to solve the above problems, in any one of the second to fourth aspects, the second layer is the infrared reflective composition of the first aspect. An infrared reflector is provided.
【００１２】[0012]
【発明を実施するための形態】 この発明は、太陽光に
含まれる赤外線の中で特に発熱に大きく寄与する波長８
００〜３０００ｎｍの赤外線を強く吸収する顔料のカー
ボンブラックの使用量を少なく、又はゼロにすることに
より、意匠、保護層となる上層での赤外線吸収を抑え、
その下に形成された赤外線反射層となる下層で赤外線を
反射するため、この赤外線反射組成物又は赤外線反射体
により遮蔽される構造物などの温度上昇を低く抑えるこ
とができると同時に、所望の意匠性も付与できる。BEST MODE FOR CARRYING OUT THE INVENTION The present invention has a wavelength of 8 among infrared rays contained in sunlight, which greatly contributes to heat generation.
By reducing the amount of the carbon black of the pigment that strongly absorbs infrared rays of 00 to 3000 nm or to zero, the design suppresses the infrared absorption in the upper layer serving as the protective layer,
Since the infrared ray is reflected by the lower layer that is the infrared reflecting layer formed thereunder, the temperature rise of the infrared ray reflecting composition or the structure shielded by the infrared ray reflector can be suppressed low, and at the same time, the desired design can be obtained. Can also be imparted.
【００１３】 赤外線反射作用を主として行う下層、及
び美観を向上させる意匠層又は下層の保護を行う保護層
として機能する上層を構成する樹脂組成物としては、赤
外線の吸収が少ない各種の塗料用樹脂及び汎用及びエン
ジニアリングプラスチックスが使用可能である。Examples of the resin composition constituting the lower layer mainly performing an infrared reflection function and the upper layer functioning as a design layer for improving aesthetics or a protective layer for protecting the lower layer include various coating resins having low infrared absorption. General purpose and engineering plastics can be used.
【００１４】 使用可能な塗料用樹脂の例としては、ア
ルキド樹脂、フタル酸樹脂、ビニル樹脂、アクリル樹
脂、フッ素樹脂、ポリアミド樹脂、不飽和ポリエステル
樹脂、水溶性樹脂、塩素化ポリオレフィン樹脂、アミノ
樹脂、ポリウレタン樹脂、シリコーン樹脂、けい素樹
脂、アクリルシリコーン樹脂、キシレン樹脂、石油樹
脂、ケトン樹脂、液状ポリブタジエン、ロジン変性マレ
イン酸樹脂、クマロン樹脂、エチルシリケート、粉体塗
料用樹脂、紫外線硬化用樹脂、エポキシ樹脂、オレフィ
ン樹脂、フェノール樹脂などがある。Examples of paint resins that can be used include alkyd resins, phthalic acid resins, vinyl resins, acrylic resins, fluororesins, polyamide resins, unsaturated polyester resins, water-soluble resins, chlorinated polyolefin resins, amino resins, Polyurethane resin, silicone resin, silicon resin, acrylic silicone resin, xylene resin, petroleum resin, ketone resin, liquid polybutadiene, rosin-modified maleic resin, cumarone resin, ethyl silicate, powder coating resin, ultraviolet curing resin, epoxy Resin, olefin resin, phenol resin and the like.
【００１５】 汎用及びエンジニアリングプラスチック
スとの例としては、ポリエチレン樹脂、エチレン酢酸ビ
ニル共重合樹脂、ポリプロピレン樹脂、ポリスチレン樹
脂、ＡＳ樹脂、ＡＢＳ樹脂、メタクリル樹脂、ポリ塩化
ビニル樹脂、ポリアミド樹脂、ポリカーボネート樹脂、
ポリエチレンテレフタレート樹脂、ポリブチレンテレフ
タレート樹脂、ジアリルフタレート樹脂、ユリア樹脂、
メラミン樹脂、キシレン樹脂、フェノール樹脂、不飽和
ポリエステル樹脂、エポキシ樹脂、フラン樹脂、ポリブ
タジエン樹脂、ポリウレタン樹脂、メラミンフェノール
樹脂、塩素化ポリエチレン樹脂、塩化ビニリデン樹脂、
アクリル塩化ビニル共重合樹脂、ＡＡＳ樹脂、ＡＣＳ樹
脂、ポリアセタール樹脂、ポリメチルペンテン樹脂、ポ
リフェニレンオキシド樹脂、変成ＰＰＯ樹脂、ポリフェ
ニレンスルフィド樹脂、ブタジエンスチレン樹脂、ポリ
アミノビスマレイミド樹脂、ポリスルフォン樹脂、ポリ
ブチレン樹脂、けい素樹脂、ポリ４フッ化エチレン樹
脂、ポリフッ化エチレンプロピレン樹脂、ペルフロロア
ルコキシフッ化プラスチック、ポリフッ化ビニリデン樹
脂、ＭＢＳ樹脂、メタクリル−スチレン樹脂、ポリイミ
ド樹脂、ポリアリレート樹脂、ポリアリルスルフォン樹
脂、ポリエーテルスルフォン樹脂、ポリエーテルエーテ
ルケトン樹脂などがある。Examples of general-purpose and engineering plastics include polyethylene resin, ethylene vinyl acetate copolymer resin, polypropylene resin, polystyrene resin, AS resin, ABS resin, methacrylic resin, polyvinyl chloride resin, polyamide resin, polycarbonate resin,
Polyethylene terephthalate resin, polybutylene terephthalate resin, diallyl phthalate resin, urea resin,
Melamine resin, xylene resin, phenol resin, unsaturated polyester resin, epoxy resin, furan resin, polybutadiene resin, polyurethane resin, melamine phenol resin, chlorinated polyethylene resin, vinylidene chloride resin,
Acrylic vinyl chloride copolymer resin, AAS resin, ACS resin, polyacetal resin, polymethylpentene resin, polyphenylene oxide resin, modified PPO resin, polyphenylene sulfide resin, butadiene styrene resin, polyaminobismaleimide resin, polysulfone resin, polybutylene resin, silicon Resin, polytetrafluoroethylene resin, polyfluoroethylene propylene resin, perfluoroalkoxyfluoride plastic, polyvinylidene fluoride resin, MBS resin, methacryl-styrene resin, polyimide resin, polyarylate resin, polyallyl sulfone resin, polyether Examples include a sulfone resin and a polyetheretherketone resin.
【００１６】 上層を構成する着色成分の中で赤外線の
吸収が大きいカーボンブラックを組成物中の０．１％以
下とすることは大切であり、この条件下で赤外線を反射
及び／又は透過させる顔料及び／又は染料によって着色
を行って、上層内における赤外線の吸収を少なくし、赤
外線を反射する下層と組み合わせることによって、紫外
線は吸収するが効果的に赤外線を反射させ、赤外線反射
組成物又は赤外線反射体により遮蔽される構造物などの
温度上昇を従来よりも低く抑制するものである。It is important that the content of carbon black having high infrared absorption among the coloring components constituting the upper layer be 0.1% or less in the composition, and a pigment that reflects and / or transmits infrared light under these conditions is important. And / or coloring with a dye to reduce the absorption of infrared light in the upper layer and combine it with a lower layer that reflects infrared light to absorb ultraviolet light but effectively reflect infrared light, and thus to use an infrared reflecting composition or infrared reflecting material. It is intended to suppress a rise in temperature of a structure or the like shielded by the body to be lower than in the past.
【００１７】 赤外線反射層となる下層は赤外線を効率
よく反射するとともに、遠赤外線を効率よく放射する機
能を有する酸化チタンを着色成分とする組成物が好まし
く、具体的には酸化チタンの粒子径が０．０５〜１μｍ
の範囲のものが反射性能の面から好ましい。The lower layer serving as the infrared reflecting layer is preferably a composition containing titanium oxide having a function of efficiently reflecting infrared rays and efficiently emitting far infrared rays as a coloring component. 0.05-1μm
Are preferred from the viewpoint of reflection performance.
【００１８】 その下層には、鱗片状アルミニウム顔
料、マイカ顔料などを混合しても使用可能である。下層
を構成する樹脂組成物に含有される着色成分において
も、赤外線の吸収が大きいカーボンブラックは組成物中
の０．１％以下とし、好ましくは含まない。下層は１層
に限るものではなく２層以上にすることも可能である。In the lower layer, a flaky aluminum pigment, a mica pigment or the like can be used even if mixed. Also in the coloring component contained in the resin composition constituting the lower layer, carbon black having a large infrared absorption is set to 0.1% or less of the composition, and is preferably not contained. The lower layer is not limited to one layer, but may be two or more layers.
【００１９】 下層及び上層には必要に応じて、シリ
カ、ケイ酸マグネシウム、炭酸カルシウムなどの赤外線
反射性を有する体質顔料を加え、光沢を調整することが
できる。The lower layer and the upper layer may be added with an extender having an infrared reflectivity such as silica, magnesium silicate, or calcium carbonate as needed to adjust gloss.
【００２０】 上層の着色成分としてのカーボンブラッ
クの含有量が少ないほど赤外線吸収は少ない。カーボン
ブラックの含有量は好ましくは０．０５％以下、より好
ましくは０％である。上層も１層に限るものではなく、
主に保護作用を行う透明層と着色成分を含む上述のよう
な意匠層のように、２層以上にすることも可能である。
また、下層は前述のような樹脂からなる成形品、あるい
は機能部品などを樹脂モールドしてなるものでも良い。The lower the content of carbon black as a coloring component in the upper layer, the lower the infrared absorption. The content of carbon black is preferably 0.05% or less, more preferably 0%. The upper layer is not limited to one layer,
It is also possible to have two or more layers, such as the above-described design layer containing a transparent layer and a coloring component that mainly perform a protective action.
Further, the lower layer may be a molded product made of the above-mentioned resin, or a product formed by resin-molding a functional component or the like.
【００２１】 上層の着色成分としてはカーボンブラッ
クを除く無機顔料及び有機顔料系が使用可能である。酸
化鉄顔料、酸化チタン顔料、複合酸化物系顔料、酸化チ
タン被覆雲母顔料、酸化鉄被覆雲母顔料、鱗片状アルミ
ニウム顔料、酸化亜鉛等の無機顔料が使用可能であり、
銅フタロシアニン顔料、異種金属（ニッケル、コバル
ト、鉄など）フタロシアニン顔料、無金属フタロシアニ
ン顔料、塩素化フタロシアニン顔料、塩素／臭素化フタ
ロシアニン顔料、臭素化フタロシアニン顔料、アントラ
キノン系顔料、キナクリドン系顔料、ジケトピロロピロ
ール系顔料、ペリレン系顔料、モノアゾ系顔料、ジスア
ゾ系顔料、縮合アゾ系顔料、金属錯体系顔料、キノフタ
ロン系顔料、インダンスレンブルー顔料、ジオキサジン
バイオレット顔料、アンスラキノン顔料、金属錯体顔
料、ベンツイミダゾロン系顔料などの有機顔料が使用可
能である。これら以外にも赤外線吸収が少ない顔料は使
用可能である。As the coloring component of the upper layer, inorganic pigments and organic pigments other than carbon black can be used. Inorganic pigments such as iron oxide pigments, titanium oxide pigments, composite oxide pigments, titanium oxide-coated mica pigments, iron oxide-coated mica pigments, flaky aluminum pigments, and zinc oxide can be used.
Copper phthalocyanine pigment, dissimilar metal (nickel, cobalt, iron, etc.) phthalocyanine pigment, metal-free phthalocyanine pigment, chlorinated phthalocyanine pigment, chlorine / brominated phthalocyanine pigment, brominated phthalocyanine pigment, anthraquinone pigment, quinacridone pigment, diketopyrrolo Pyrrole pigment, perylene pigment, monoazo pigment, disazo pigment, condensed azo pigment, metal complex pigment, quinophthalone pigment, indanthrene blue pigment, dioxazine violet pigment, anthraquinone pigment, metal complex pigment, benz Organic pigments such as imidazolone pigments can be used. Other than these, pigments having low infrared absorption can be used.
【００２２】 カーボンブラックに代わる黒顔料として
は、赤外線を反射及び／又は透過させる有機顔料が使用
可能であり、例えば、ＢＡＳＦ製ペリレンブラックＳ−
００８４などがある。As a black pigment instead of carbon black, an organic pigment that reflects and / or transmits infrared rays can be used. For example, BASF-made perylene black S-
0084.
【００２３】[0023]
【実施例】 以下に実施例を記すが、本発明はこれによ
って限定されるものではない。EXAMPLES Examples will be described below, but the present invention is not limited thereto.
【００２４】 赤外線反射組成物の実施例 アクリルワニス（固形分５０％） ６８．０部 ペリレンブラックＳ−００８４（ＢＡＳＦ製） ３．０部 シムラファーストエロー４１９２（大日本インキ化学工業製） １．０部 クロモフタルレッド６８２０（大日精化工業製） ０．２部 トルエン５／キシレン１０混合溶液 ２７．８部 を予めミキサー攪拌し、その後サンドミルで均一に分散
することにより、赤外線反射及び／又は赤外線透過に優
れた上層を形成し得る塗料組成物を作成した。Examples of Infrared Reflective Composition Acrylic Varnish (50% solids) 68.0 parts Perylene Black S-0084 (manufactured by BASF) 3.0 parts Shimura First Yellow 4192 (manufactured by Dainippon Ink and Chemicals) 1.0 Part Chromophthal Red 6820 (manufactured by Dainichi Seika Kogyo Co., Ltd.) 0.2 part 27.8 parts of a mixed solution of toluene 5 / xylene 10 is previously stirred with a mixer, and then uniformly dispersed with a sand mill to thereby reflect and / or reflect infrared rays. A coating composition capable of forming a superior upper layer was prepared.
【００２５】 赤外線反射体の実施例１ 赤外線反射を主たる目的とする下層として、ＡＢＳ樹脂
６０部と酸化チタンＦＲ４１（古河鉱業製平均粒子径
０．２μ、純度９４％）４０部とを加熱混練し、図１
（Ａ）に示すような厚さ３ｍｍの平板に成形した白色の
ＡＢＳ樹脂板１ａを作成した。Example 1 of Infrared Reflector As an underlayer mainly intended for infrared reflection, 60 parts of an ABS resin and 40 parts of titanium oxide FR41 (Furukawa Mining Co., Ltd., average particle diameter 0.2 μ, purity 94%) were heated and kneaded. , FIG.
A white ABS resin plate 1a formed into a flat plate having a thickness of 3 mm as shown in FIG.
【００２６】 その白色のＡＢＳ樹脂板１ａ上に、上記
実施例で作成した赤外線反射組成物をスプレー粘度まで
シンナーで希釈し、エアスプレーガンにて吹き付け塗装
を行い、１０分間室温にて乾燥後、８０℃、３０分間乾
燥を行い、上層として約２５μｍの厚みの塗装層１ｂを
形成して赤外線反射体１を得た。On the white ABS resin plate 1 a, the infrared reflecting composition prepared in the above example was diluted with a thinner to a spray viscosity, spray-coated with an air spray gun, dried for 10 minutes at room temperature, The coating was dried at 80 ° C. for 30 minutes to form a coating layer 1 b having a thickness of about 25 μm as an upper layer, thereby obtaining an infrared reflector 1.
【００２７】 赤外線反射体の実施例２ 赤外線反射を主たる目的とする下層として、アクリルワ
ニス（固形分６０％）５０部と、酸化チタンＦＲ４１
（古河鉱業製）２５部と、トルエン１０／キシレン１５
混合溶液２５部とを予めミキサー攪拌し、その後サンド
ミルで均一に分散することにより、一方の下層を形成す
るための塗料組成物を作成し、スプレー粘度までシンナ
ーで希釈し、エアスプレーガンにて他方の下層となる厚
さ３mmの鉄板２ａの滑らかに磨いた表面に吹き付け塗装
を行い、１０分間室温にて乾燥後、８０℃の温度で３０
分間乾燥を行い、図１（Ｂ）に示すような塗装膜厚の平
均が２５μｍの赤外線反射塗装膜２ａ’を作成した。Example 2 of Infrared Reflector As a lower layer mainly intended for infrared reflection, 50 parts of an acrylic varnish (solid content: 60%) and titanium oxide FR41
(Furukawa Mining) 25 parts, toluene 10 / xylene 15
25 parts of the mixed solution was previously stirred with a mixer, and then uniformly dispersed with a sand mill to prepare a coating composition for forming one lower layer, diluted with a thinner to a spray viscosity, and then diluted with an air spray gun. Spray coating on the smooth polished surface of the iron plate 2a having a thickness of 3 mm as a lower layer, drying at room temperature for 10 minutes, and heating at 80 ° C. for 30 minutes.
After drying for 2 minutes, an infrared reflective coating film 2a ′ having an average coating film thickness of 25 μm as shown in FIG.
【００２８】 その赤外線反射塗装膜２ａ’の上に、上
記実施例で作成した赤外線反射組成物をスプレー粘度ま
でシンナーで希釈し、エアスプレーガンにて吹き付け塗
装を行い、１０分間室温にて乾燥後、８０℃、３０分間
乾燥を行い、上層として平均が２５μｍの厚みの塗装層
２ｂを形成して赤外線反射体２を得た。On the infrared reflective coating film 2 a ′, the infrared reflective composition prepared in the above example was diluted with a thinner to a spray viscosity, spray-coated with an air spray gun, and dried at room temperature for 10 minutes. After drying at 80 ° C. for 30 minutes, a coating layer 2 b having an average thickness of 25 μm was formed as an upper layer to obtain an infrared reflector 2.
【００２９】 赤外線反射体の実施例３図１（Ｃ）に示
すように赤外線を反射するための下層として、表面を滑
らかに磨いた鏡面をもつ厚さ３mmのアルミニウム板３ａ
を用意した。Embodiment 3 of Infrared Reflector As shown in FIG. 1C, a 3 mm-thick aluminum plate 3a having a mirror-polished surface as a lower layer for reflecting infrared rays.
Was prepared.
【００３０】 そのアルミニウム板３ａの滑らかに磨い
た表面に、上記実施例で作成した赤外線反射組成物をス
プレー粘度までシンナーで希釈し、エアスプレーガンに
て吹き付け塗装を行い、１０分間室温にて乾燥後、８０
℃、３０分間乾燥を行い、上層として平均が２５μｍの
厚みの塗装層３ｂを形成して赤外線反射体３を得た。On the smooth polished surface of the aluminum plate 3a, the infrared reflecting composition prepared in the above example was diluted with a thinner to a spray viscosity, spray-coated with an air spray gun, and dried at room temperature for 10 minutes. Later, 80
The coating was dried at 30 ° C. for 30 minutes to form a coating layer 3 b having an average thickness of 25 μm as an upper layer, thereby obtaining an infrared reflector 3.
【００３１】 赤外線反射体の実施例４ 図１（Ｄ）に示すように赤外線を反射するための下層と
して、表面を滑らかに磨いた鏡面をもつ厚さ３mmのステ
ンレス板４ａを用意した。Example 4 of Infrared Reflector As shown in FIG. 1 (D), a stainless steel plate 4a having a mirror surface having a smooth surface and a thickness of 3 mm was prepared as a lower layer for reflecting infrared rays.
【００３２】 そのステンレス板４ａの滑らかに磨いた
表面に、上記実施例で作成した赤外線反射組成物をスプ
レー粘度までシンナーで希釈し、エアスプレーガンにて
吹き付け塗装を行い、１０分間室温にて乾燥後、８０
℃、３０分間乾燥を行い、上層として平均が２５μｍの
厚みの塗装層４ｂを形成して赤外線反射体４を得た。On the smooth polished surface of the stainless steel plate 4 a, the infrared reflecting composition prepared in the above example was diluted with a thinner to a spray viscosity, spray-coated with an air spray gun, and dried at room temperature for 10 minutes. Later, 80
The coating was dried at 30 ° C. for 30 minutes to form a coating layer 4 b having an average thickness of 25 μm as an upper layer, thereby obtaining an infrared reflector 4.
【００３３】 塗料組成物の比較例 アクリルワニス（固形分５０％） ６０．０部 酸化チタンＦＲ４１（古河鉱業製） ２０．０部 カーボンブラックＦＷ２００（デグサ社製） ０．２部 シムラファーストエロー４１９２（大日本インキ化学工業製） １．０部 クロモフタルレッド６８２０（大日精化工業製 ） ０．２部 トルエン５／キシレン１０混合溶液 ２８．６部 を予めミキサー攪拌し、その後サンドミルで均一に分散
することにより比較例となる塗料組成物を作成した。Comparative Example of Coating Composition Acrylic Varnish (50% solid content) 60.0 parts Titanium oxide FR41 (Furukawa Mining) 20.0 parts Carbon black FW200 (Degussa) 0.2 part Shimura First Yellow 4192 ( 1.0 part Chromophthal Red 6820 (manufactured by Dainichi Seika Kogyo) 0.2 part 28.6 parts of a mixed solution of toluene 5 / xylene 10 28.6 parts were previously stirred with a mixer, and then uniformly dispersed with a sand mill. Thus, a coating composition as a comparative example was prepared.
【００３４】 赤外線反射体の比較例１ 上記比較例で作成した塗料組成物を市販の厚さ３ｍｍの
グレー色のＡＢＳ板（着色カーボン量は不明）１’Ａに
含有スプレー粘度までシンナーで希釈し、エアスプレー
ガンにて吹き付け塗装を行い、１０分間室温にて乾燥
後、８０℃３０分間乾燥を行って、図１（Ａ）に示すよ
うなほぼ２５μｍの赤外線反射膜１’Ｂを形成し、比較
例となる赤外線反射体１’を作成した。Comparative Example 1 of Infrared Reflector The coating composition prepared in the above Comparative Example was diluted with a thinner to the spray viscosity contained in a commercially available 3 mm-thick gray ABS plate (the amount of colored carbon) 1′A was thinned. After spray coating with an air spray gun, drying at room temperature for 10 minutes, and drying at 80 ° C. for 30 minutes, an infrared reflective film 1′B of approximately 25 μm as shown in FIG. An infrared reflector 1 'as a comparative example was prepared.
【００３５】 赤外線反射体の比較例２ 図１（Ｂ）に示すような表面を磨いていない通常の厚さ
３ｍｍの鉄板２’Ａの上に、上記比較例による塗料組成
物をスプレー粘度までシンナーで希釈し、エアスプレー
ガンにて吹き付け塗装を行い、１０分間室温にて乾燥
後、８０℃３０分間乾燥を行うことにより、実施例２の
赤外線反射体の二つの塗布層の和の膜厚と等しい平均４
５μｍの膜厚の塗膜２’Ｂを形成して赤外線反射体２’
を作成した。Comparative Example 2 of Infrared Reflector A coating composition according to the above comparative example was thinned to a spray viscosity on an ordinary iron plate 2′A having a thickness of 3 mm without polishing the surface as shown in FIG. 1 (B). , Spray-coated with an air spray gun, dried at room temperature for 10 minutes, and then dried at 80 ° C. for 30 minutes to obtain the total thickness of the two coating layers of the infrared reflector of Example 2. Equal average 4
Forming a coating film 2′B having a thickness of 5 μm to form an infrared reflector 2 ′
It was created.
【００３６】 赤外線反射体の比較例３ 図１（Ｃ）に示すような表面を磨いていない通常の厚さ
３ｍｍのアルミニウム板３’Ａの上に、上記比較例の塗
料組成物をスプレー粘度までシンナーで希釈し、エアス
プレーガンにて吹き付け塗装を行い、１０分間室温にて
乾燥後、８０℃３０分間乾燥を行うことにより、実施例
３の赤外線反射体の塗膜と厚みが等しい平均２５μｍの
膜厚の塗膜３’Ｂを形成して赤外線反射体３’を作成し
た。Comparative Example 3 of Infrared Reflector The coating composition of the above comparative example was spray-coated on a normal aluminum plate 3′A having a thickness of 3 mm which had not been polished as shown in FIG. After dilution with a thinner, spray coating with an air spray gun, drying at room temperature for 10 minutes, and then drying at 80 ° C. for 30 minutes, the coating thickness of the infrared reflector of Example 3 was 25 μm on average. An infrared reflector 3 'was formed by forming a coating film 3'B having a thickness.
【００３７】 赤外線反射体の比較例３ 図１（Ｄ）に示すような表面を磨いていない通常の厚さ
３ｍｍのステンレス板４’Ａの上に、上記比較例の塗料
組成物をスプレー粘度までシンナーで希釈し、エアスプ
レーガンにて吹き付け塗装を行い、１０分間室温にて乾
燥後、８０℃３０分間乾燥を行うことにより、実施例４
の赤外線反射体の塗膜と厚みが等しい平均２５μｍの膜
厚の塗膜４’Ｂを形成して赤外線反射体４’を作成し
た。Comparative Example 3 of Infrared Reflector The coating composition of the comparative example was spray-coated on a normal stainless steel plate 4′A having a thickness of 3 mm which had not been polished as shown in FIG. Example 4 was obtained by diluting with a thinner, spray coating with an air spray gun, drying at room temperature for 10 minutes, and then drying at 80 ° C. for 30 minutes.
A film 4′B having an average thickness of 25 μm and a thickness equal to that of the infrared reflector was formed to form an infrared reflector 4 ′.
【００３８】 温度測定及び測定結果 縦２５０ｍｍ、横３６０ｍｍ、高さ６０ｍｍの厚さ２０
ｍｍの白色の発泡スチロール製の箱内に、これら各実施
例と各比較例の赤外線反射体をそれぞれ図１（Ａ）〜
（Ｄ）に示すように同一水平面上に並べて配置し、上面
を厚さ３ｍｍの透明ガラス板で覆い自然の風の影響を受
けないようにして、屋外の太陽光に当て、実施例では下
層となる各板の裏面を、また各比較例ではベース板の裏
面の温度を測定した。Temperature measurement and measurement results: thickness 250 mm, length 360 mm, height 60 mm
The infrared reflectors of each of the examples and the comparative examples were placed in a white styrofoam box of 1 mm in FIG.
As shown in (D), they are arranged side by side on the same horizontal plane, and the top surface is covered with a transparent glass plate having a thickness of 3 mm so as not to be affected by natural wind, and is exposed to sunlight outdoors. The temperature of the back surface of each plate was measured, and in each comparative example, the temperature of the back surface of the base plate was measured.
【００３９】 試験結果を表１に示す。表１では、太陽
光を照射して、１５分後、３０分後、４５分後、６０分
後及び７５分後の温度を示す。この試験から分かるよう
に、太陽光を照射して４５分ないし６０分ぐらいまで
は、比較例の温度上昇は実施例よりも大きく、最大１６
度程度の温度差になる。なお、この試験では自然の太陽
光を照射して行ったので、試験の途中で雲がかかった時
間には気温が若干低下している。Table 1 shows the test results. Table 1 shows the temperatures after 15 minutes, 30 minutes, 45 minutes, 60 minutes, and 75 minutes after irradiation with sunlight. As can be seen from this test, the temperature rise of the comparative example is larger than that of the example in about 45 minutes to 60 minutes after irradiating sunlight, and the maximum rise is 16 minutes.
A temperature difference of about degrees. In this test, natural sunlight was irradiated, and the temperature was slightly lowered during the time when clouds were applied during the test.
【００４０】 表１ Table 1
【００４１】[0041]
【発明の効果】 以上述べたように、この発明では、赤
外線反射体を少なくとも２層以上の構造とし、かつ太陽
光に含まれる赤外線の中で特に波長８００〜３０００ｎ
ｍの赤外線を強く吸収する顔料のカーボンブラックの使
用量を少なくすることにより、意匠、保護層となる上層
での赤外線吸収を抑え、その下に形成された赤外線反射
層となる下層で赤外線を反射するため、赤外線反射組成
物又は赤外線反射体で赤外線が遮蔽される構造物などの
温度上昇を効果的に抑制できると同時に、明るい色調は
勿論のこと、従来では得られなかった暗い色調の赤外線
反射体をも容易に提供することができる。As described above, according to the present invention, the infrared reflector has a structure of at least two or more layers, and a wavelength of 800 to 3000 n among infrared rays contained in sunlight.
By reducing the amount of carbon black used as a pigment that strongly absorbs infrared rays, the infrared absorption in the upper layer, which serves as a design and protective layer, is suppressed, and the lower layer, which serves as the infrared reflective layer formed below, reflects infrared rays. Therefore, it is possible to effectively suppress a temperature rise of an infrared-reflective composition or a structure in which infrared rays are shielded by an infrared-reflector, and at the same time, not only can a bright color tone be obtained, but also a dark color infrared reflection that cannot be obtained conventionally. The body can also be easily provided.
【図１】 本発明の各実施例と各比較例の試験を説明す
るための図である。FIG. 1 is a diagram for explaining tests of each example and each comparative example of the present invention.
１〜４・・・赤外線反射体 １ａ〜４ａ・・・赤外線反射体の下層 １ｂ〜４ｂ・・・赤外線反射体の上層 ２ａ’・・・赤外線反射体の別の下層 1-4: infrared reflector 1a-4a: lower layer of infrared reflector 1b-4b: upper layer of infrared reflector 2a ': lower layer of another infrared reflector
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｈ０１Ｑ 15/14 Ｈ０１Ｑ 15/14 Ｚ ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI H01Q 15/14 H01Q 15/14 Z
Claims (6)
ンブラックが０．１重量％以下で、赤外線吸収の少ない
赤外線反射特性を有する顔料及び／又は染料を含有する
ことを特徴とする赤外線反射組成物。1. An infrared reflecting composition comprising a resin composition containing 0.1% by weight or less of carbon black as a coloring component and containing a pigment and / or a dye having low infrared absorption and having infrared reflection characteristics. Stuff.
反射成分とからなる第１の層と、該第１の層の上に形成
される層であって赤外線吸収が少なく、赤外線を実質的
に透過又は反射する第２の層とを少なくとも備えること
を特徴とする赤外線反射体。2. A first layer comprising a resin composition having low infrared absorption and an infrared reflection component, and a layer formed on the first layer, which has low infrared absorption and substantially absorbs infrared light. An infrared reflector comprising at least a second layer that transmits or reflects light.
化鉄、酸化チタン、鱗片状アルミニウム粉末、ステンレ
ス粉末、酸化チタンコートされたマイカ粉からなる群よ
り選ばれる１種類以上を含有することを特徴とする赤外
線反射体。3. The method according to claim 2, wherein the first layer contains at least one selected from the group consisting of iron oxide, titanium oxide, flaky aluminum powder, stainless steel powder, and mica powder coated with titanium oxide. An infrared reflector, characterized in that:
ンレスなどの赤外線反射性に優れた金属層と、該金属層
の上に形成される層であって、赤外線吸収が少なく、赤
外線を透過及び／又は反射する第２の層とを少なくとも
備えることを特徴とする赤外線反射体。4. A metal layer having excellent infrared reflectivity such as iron, aluminum, and stainless steel having a smooth surface, and a layer formed on the metal layer, which has low infrared absorption and transmits and / or transmits infrared light. Or an infrared reflector comprising at least a reflective second layer.
いて、前記第２の層は、着色成分として含有される波長
８００〜３０００ｎｍの赤外線を強く吸収するカーボン
ブラックが０．１重量％以下であることを特徴とする赤
外線反射体。5. The second layer according to claim 2, wherein the second layer contains 0.1% by weight or less of carbon black that strongly absorbs infrared rays having a wavelength of 800 to 3000 nm contained as a coloring component. An infrared reflector characterized by the following.
いて、前記第２の層は請求項１の赤外線反射組成物であ
ることを特徴とする赤外線反射体。6. An infrared reflector according to claim 2, wherein said second layer is the infrared reflective composition of claim 1.
Priority Applications (1)
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|---|---|---|---|
| JP10126672A JPH11302549A (en) | 1998-04-22 | 1998-04-22 | Infrared-reflective composition and infrared reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10126672A JPH11302549A (en) | 1998-04-22 | 1998-04-22 | Infrared-reflective composition and infrared reflector |
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| Publication Number | Publication Date |
|---|---|
| JPH11302549A true JPH11302549A (en) | 1999-11-02 |
Family
ID=14941014
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|---|---|---|---|
| JP10126672A Pending JPH11302549A (en) | 1998-04-22 | 1998-04-22 | Infrared-reflective composition and infrared reflector |
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| JP2004027241A (en) * | 2003-10-14 | 2004-01-29 | Nagashima Tokushu Toryo Kk | Thermal insulation coating and its coating method |
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| WO2013065733A1 (en) | 2011-11-04 | 2013-05-10 | 日本特殊塗料株式会社 | Infrared reflective film, infrared reflective paint, and infrared reflector |
| KR101335466B1 (en) * | 2013-08-07 | 2013-11-29 | 남궁선 | Sun-blocking coating composition containing aluminum powder and glass bottle manufacturing method using the same composition |
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Cited By (23)
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| JP2000129172A (en) * | 1998-10-27 | 2000-05-09 | Nagashima Tokushu Toryo Kk | Heat-shielding coating and its coating method |
| JP2002012679A (en) * | 2000-06-29 | 2002-01-15 | Nippon Paint Co Ltd | Heat insulating colored film |
| AU780710B2 (en) * | 2000-08-15 | 2005-04-14 | Origin Company, Limited | Composition for forming infrared transmitting layer, infrared reflector, and processed article |
| WO2002014445A1 (en) * | 2000-08-15 | 2002-02-21 | Origin Electric Company, Limited | Composition for forming infrared transmitting layer, infrared reflector, and processed article |
| JP2002285649A (en) * | 2001-03-26 | 2002-10-03 | National Institute Of Advanced Industrial & Technology | Wall structure |
| US7211324B2 (en) | 2002-03-07 | 2007-05-01 | Kansai Paint Co., Ltd. | Method of forming film having a heat shielding function, laminate film formed by the method, and article coated with the laminate film |
| JP2004174469A (en) * | 2002-03-07 | 2004-06-24 | Kansai Paint Co Ltd | Method of forming coating film having heat shielding function, laminated coating film formed by the method, and article coated with the coating film |
| WO2004094539A1 (en) * | 2003-03-27 | 2004-11-04 | Basf Corporation | A layered system and method for reducing a temperature realized by a substrate and by an interior space |
| JP2004027241A (en) * | 2003-10-14 | 2004-01-29 | Nagashima Tokushu Toryo Kk | Thermal insulation coating and its coating method |
| JP2006002298A (en) * | 2004-06-18 | 2006-01-05 | Sumitomo Bakelite Co Ltd | Helmet |
| JP4590945B2 (en) * | 2004-06-18 | 2010-12-01 | 住友ベークライト株式会社 | helmet |
| JP2006180759A (en) * | 2004-12-27 | 2006-07-13 | Daio Kasei Kk | Agricultural insect-repellent net |
| JP2009143050A (en) * | 2007-12-12 | 2009-07-02 | Achilles Corp | Dark color composite molded body having near-infrared area light reflecting performance |
| JP2009202494A (en) * | 2008-02-28 | 2009-09-10 | Nippon Steel & Sumikin Coated Sheet Corp | Heat insulating coated plate |
| JP2011148923A (en) * | 2010-01-22 | 2011-08-04 | Okamoto Kk | Heat shield sheet |
| CN102762669A (en) * | 2010-02-17 | 2012-10-31 | 钛白粉欧洲有限公司 | Solar reflectance |
| JP2012082602A (en) * | 2010-10-08 | 2012-04-26 | Okamoto Kk | Heat shielding decorative sheet |
| WO2013065733A1 (en) | 2011-11-04 | 2013-05-10 | 日本特殊塗料株式会社 | Infrared reflective film, infrared reflective paint, and infrared reflector |
| JPWO2013065733A1 (en) * | 2011-11-04 | 2015-04-02 | 日本特殊塗料株式会社 | Infrared reflective film for solar cell module and infrared reflector |
| US9238725B2 (en) | 2011-11-04 | 2016-01-19 | Nihon Tokushu Toryo Co., Ltd. | Infrared reflective film, infrared reflective paint and infrared reflective body |
| WO2014034518A1 (en) * | 2012-08-27 | 2014-03-06 | 富士フイルム株式会社 | Optical filter and hot-wire shielding material |
| JP2014044341A (en) * | 2012-08-27 | 2014-03-13 | Fujifilm Corp | Optical filter, and heat ray shielding material |
| KR101335466B1 (en) * | 2013-08-07 | 2013-11-29 | 남궁선 | Sun-blocking coating composition containing aluminum powder and glass bottle manufacturing method using the same composition |
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