JP2014102277A - Flame-proof panel for exhibition - Google Patents

Flame-proof panel for exhibition Download PDF

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JP2014102277A
JP2014102277A JP2012252166A JP2012252166A JP2014102277A JP 2014102277 A JP2014102277 A JP 2014102277A JP 2012252166 A JP2012252166 A JP 2012252166A JP 2012252166 A JP2012252166 A JP 2012252166A JP 2014102277 A JP2014102277 A JP 2014102277A
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flameproof
flame
panel
aluminum hydroxide
paper
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JP6077275B2 (en
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Norimasa Mihara
典正 三原
S Fazlat Ali
アリ・Ｓ・ファズラット
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Dow Chemical Co
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Abstract

PROBLEM TO BE SOLVED: To provide a panel for exhibition which has an excellent flame-proof property and has satisfactory surface smoothness, appearance, and printability with ink or the like and is superior in rigidity and in which a nonflammable paper is peeled from a base foamed resin plate and they are easily separated and recovered after use and which therefore enables a base resin to be recycled and is environmentally advantageous.SOLUTION: In a flame-proof panel for exhibition, non-flammable paper 3 to which aluminum hydroxide of 50 to 300 g/mand a glass fiber of 10 to 40 g/mare added is adhered to front and back surfaces of a synthetic resin foamed plate 1.

Description

本発明は、防炎性展示用パネルに関し、特に合成樹脂発泡板を基材とした防炎性能を有する展示用パネルに関する。   The present invention relates to a flameproof display panel, and more particularly to a display panel having a flameproof performance based on a synthetic resin foam board.

ポリエチレン、ポリプロピレン、ポリスチレン等の熱可塑性樹脂よりなる発泡体（以下、「樹脂発泡体」という）は、その成形性、加工性、断熱性等、の特性を生かして様々な分野に利用されている。特に最近では、商店、レストラン、デパート等で用いられる室内広告宣伝板、案内板等としても広く使われている。しかしながら樹脂発泡体は、熱に弱く、炎の中ではそのまま着火して燃焼する危険性を有している。そこで、板状またはシート状の樹脂発泡体を難燃化する試みが種々行われてきた。従来例の一つとして、板状またはシート状樹脂発泡体の製造工程中で、ハロゲン系難燃剤に代表される難燃化物質を添加する方法がある。ハロゲン系難燃剤は、プラスチックの難燃化に使用されるハロゲン化合物であり、特に有機臭素系化合物が主体である。この方法では、添加する難燃剤としてハロゲン化合物を使用しているため、燃焼・廃棄時にダイオキシン等の有害物が発生し、廃棄物の安全な処理やサーマルリサイクルを実施できないという問題点がある。   Foams made of thermoplastic resins such as polyethylene, polypropylene and polystyrene (hereinafter referred to as “resin foams”) are used in various fields by taking advantage of their properties such as moldability, processability and heat insulation. . In recent years, it has been widely used as an indoor advertising board, a guide board, etc. used in shops, restaurants, department stores, and the like. However, the resin foam is vulnerable to heat and has a risk of being ignited and burned as it is in a flame. Therefore, various attempts have been made to make a plate-like or sheet-like resin foam flame-retardant. As one of conventional examples, there is a method of adding a flame retardant substance typified by a halogen-based flame retardant during the production process of a plate-like or sheet-like resin foam. Halogen-based flame retardants are halogen compounds used for flame-retarding plastics, and are mainly organic bromine-based compounds. In this method, since a halogen compound is used as a flame retardant to be added, harmful substances such as dioxins are generated at the time of combustion / disposal, and there is a problem in that it is impossible to safely dispose of waste or perform thermal recycling.

また、他の従来例として、板状またはシート状樹脂発泡体の表面に難燃性塗料樹脂組成物を塗布する方法がある（例えば、特許文献１参照）。この方法では、例えば、熱可塑性樹脂発泡体の少なくとも一表面に難燃性のケイ酸アルカリ系物質を該発泡体の単位面積当たり３０ｇ／ｍ2以上を均一に塗布している。しかしながら、この方法の場合は、難燃性塗料樹脂組成物を、発泡体表面に多量に塗布するため、パネル表面に凹凸、クラックが発生しやすくなり、ディスプレイ用としての表面印刷適性も悪く、更には製造コストが高い等の問題点がある。また、基材表面に難燃性塗料樹脂組成物を直接に塗布しているため、使用後に基材樹脂発泡板を回収して、溶融樹脂化後に再利用することができないという問題点もある。さらに、防炎性能試験にて２分間加熱を行うと、炎を当てた箇所周辺の基材発泡樹脂が熱溶融により収縮し、塗膜にひびわれが生じる（塗膜破壊）ために、炎が基材発泡体を燃え上がらせる結果が生じる（防炎性能が劣る）、かつ、塗布斑等により塗膜による酸素の遮断がしにくいという問題点もある。 As another conventional example, there is a method of applying a flame retardant paint resin composition to the surface of a plate-like or sheet-like resin foam (see, for example, Patent Document 1). In this method, for example, a flame retardant alkali silicate-based material is uniformly applied to at least one surface of a thermoplastic resin foam in an amount of 30 g / m 2 or more per unit area of the foam. However, in the case of this method, since the flame retardant paint resin composition is applied in a large amount on the foam surface, irregularities and cracks are likely to occur on the panel surface, and the surface printability for display is poor. Has problems such as high manufacturing costs. In addition, since the flame retardant paint resin composition is directly applied to the surface of the base material, there is also a problem that the base resin foam board cannot be recovered after use and reused after being converted into a molten resin. Furthermore, when heating is performed for 2 minutes in the flameproof performance test, the base foam resin around the area where the flame is applied shrinks due to heat melting, and the coating film is cracked (coating film destruction). There is also a problem that the result of burning the material foam is inferior (flameproof performance is inferior), and it is difficult to block oxygen by the coating film due to coating spots and the like.

また、その他の技術として、無機系塗料を塗布した不燃紙を基板である熱可塑性樹脂よりなる発泡体に接着して防炎性能を向上させた方法がある（例えば、特許文献２参照）。これらの結果によれば、水酸化アルミニウムを含む防炎紙にカオリン等の無機系塗料１０ｇ／ｍ2以上を構成することで防炎製品認定試験へ合格する可能性が高いことが確認されている。無機系塗料を塗布すれば防炎性能は改善するものの試験方法が炭化面積によるものであり、着火作用により該不燃紙に穴が開き、素板である熱可塑性樹脂発泡体に着火すると延焼する結果となり、不燃紙の脆さ（穴あき作用）が防炎性能に大きく関わってくることが確認された。従って、試験の操作性、チェック側の判断基準により無機系塗料だけでは防炎性能評価試験へ合格することが困難であることが分かった。 As another technique, there is a method in which nonflammable paper coated with an inorganic paint is adhered to a foam made of a thermoplastic resin as a substrate to improve the flameproof performance (for example, see Patent Document 2). According to these results, it is confirmed that it is highly possible to pass a flameproof product certification test by constituting an inorganic paint such as kaolin at 10 g / m 2 or more on flameproof paper containing aluminum hydroxide. . Although the flameproof performance is improved by applying an inorganic paint, the test method is based on the carbonized area, and a hole is opened in the non-combustible paper by the ignition action, and the result is that the thermoplastic resin foam that is the base plate ignites and spreads fire Thus, it was confirmed that the non-combustible paper brittleness (perforating action) is greatly related to the flameproof performance. Therefore, it has been found that it is difficult to pass the flameproof performance evaluation test with only the inorganic paint, based on the operability of the test and the judgment criteria on the check side.

特開昭６２−７４９３７号公報JP 62-74937 A 特開２００５−１５６８５８号公報Japanese Patent Laying-Open No. 2005-156858

上記のように、現在のところ、種々の性能をバランス良く有している展示用パネルは知られておらず、優れた防炎性能を有し、表面の平滑性、美観、インク等による印刷適性が良好であり、剛性に優れており、使用後は不燃紙と基材発泡樹脂板とを剥がして分離回収が容易で基材樹脂をリサイクル利用でき環境上好ましい展示用パネルの開発が望まれている。   As described above, at present, there is no known display panel having various performances in a well-balanced manner, it has excellent flameproof performance, surface smoothness, aesthetics, printability by ink, etc. It is desirable to develop an environmentally favorable display panel that can be separated and recovered easily after use, and the base resin can be recycled and reused. Yes.

本発明は、上記従来技術の課題を解決するためになされたもので、合成樹脂発泡板の表裏面に、５０〜３００ｇ／ｍ2の水酸化アルミニウムと、１０〜４０ｇ／ｍ2のガラス繊維とが添加された不燃紙が粘着されていることを特徴とする防炎性展示用パネルを提供する。 The present invention was made to solve the above-described problems of the prior art, and 50 to 300 g / m 2 of aluminum hydroxide and 10 to 40 g / m 2 of glass fiber were formed on the front and back surfaces of the synthetic resin foam plate. Provided is a flameproof display panel characterized in that non-combustible paper to which is added is adhered.

また、本発明の好ましい態様によれば、前記合成樹脂発泡板の密度は、５０〜１３０ｋｇ／ｍ3であり、実質的に難燃剤を含まない。さらに、本発明の好ましい態様によれば、前記合成樹脂発泡板の基材が発泡ポリスチレンである。そして、前記合成樹脂発泡板の表層部にスキン層を有すると、表面の平滑性をより改善することができる。 Moreover, according to the preferable aspect of this invention, the density of the said synthetic resin foam board is 50-130 kg / m < 3 >, and does not contain a flame retardant substantially. Furthermore, according to a preferred aspect of the present invention, the base material of the synthetic resin foam plate is expanded polystyrene. And when it has a skin layer in the surface layer part of the said synthetic resin foamed board, the smoothness of the surface can be improved more.

本発明の防炎性展示用パネルは、不燃紙にガラス繊維が混成されているため、素板に難燃剤を有してなくても優れた防炎性能を有し、しかも表面の平滑性、美観、インク等による印刷適性が良好である。また、本発明の防炎性展示用パネルは、使用後は不燃紙と基材発泡樹脂板とを剥がして分離回収が容易であり、基材樹脂をリサイクル利用できるため環境上好ましい。更に、本発明の防炎性展示用パネルは、発泡樹脂板の表裏面に不燃紙が粘着されているので、パネルとしての剛性も優れたものとなる。   The flameproof display panel of the present invention has excellent flameproofing performance even if it does not have a flame retardant on the base plate because glass fiber is mixed with non-combustible paper, and the surface smoothness, Good printability with aesthetics and ink. Moreover, the flameproof display panel of the present invention is environmentally preferable because it can be easily separated and recovered after use by peeling off the non-combustible paper and the base foam resin plate, and the base resin can be recycled. Furthermore, since the flameproof display panel of the present invention has non-combustible paper adhered to the front and back surfaces of the foamed resin plate, the panel has excellent rigidity.

本発明の基本構成を示す概略的断面図である。It is a schematic sectional drawing which shows the basic composition of this invention. 実施例及び比較例の各不燃紙中の水酸化アルミニウム量とガラス繊維量をプロットした図である。It is the figure which plotted the amount of aluminum hydroxide and the amount of glass fiber in each incombustible paper of an Example and a comparative example.

以下、本発明の防炎性展示用パネルについて図面に基づいて説明する。   Hereinafter, the flameproof display panel of the present invention will be described with reference to the drawings.

図１は、本発明の防炎性展示用パネルの構成の一例を示した断面図である。本発明の防炎性展示用パネルは、パネル基材１、接着剤２、不燃紙３とから構成されている。すなわち、本発明の防炎性展示用パネルは、図１に示されるように板状のパネル基材１の表裏面にガラス繊維が混成された不燃紙３が接着剤２で粘着されたものである。   FIG. 1 is a cross-sectional view showing an example of the configuration of the flameproof display panel of the present invention. The flameproof display panel of the present invention is composed of a panel substrate 1, an adhesive 2, and non-combustible paper 3. That is, the flameproof display panel of the present invention is such that nonflammable paper 3 in which glass fibers are mixed on the front and back surfaces of a plate-like panel base material 1 is adhered with an adhesive 2 as shown in FIG. is there.

本発明における不燃紙とは、水酸化アルミニウムの含有量５０〜３００ｇ／ｍ2かつガラス繊維が１０〜４０ｇ／ｍ2、望ましくは水酸化アルミニウムの含有量１００〜２５０ｇ／ｍ2かつガラス繊維が１０〜３５ｇ／ｍ2が混成されたものである。本発明によって発揮される効果はガラス繊維と水酸化アルミニウムの混合によるもので、水酸化アルミニウムが５０ｇ／ｍ2未満のときはガラス繊維が１０ｇ／ｍ2以上でも十分な効果を得られ難い。また水酸化アルミニウム量が３００ｇ／ｍ2を超えると表面性がぼそぼそ感あり製品不良となる。同様にガラス繊維量が４０ｇ／ｍ2を超えると繊維量が多くなりパネルの表面平滑性が損なわれ製品不良となってしまう。 The incombustible sheet in the present invention, the content of 50 to 300 g / m 2 and the glass fibers of aluminum hydroxide 10 to 40 g / m 2, desirably the content 100 to 250 g / m 2 and the glass fibers of aluminum hydroxide 10 ˜35 g / m 2 is hybridized. The effect exhibited by the present invention is due to the mixing of glass fiber and aluminum hydroxide. When the aluminum hydroxide is less than 50 g / m 2 , it is difficult to obtain a sufficient effect even when the glass fiber is 10 g / m 2 or more. On the other hand, when the amount of aluminum hydroxide exceeds 300 g / m 2 , the surface property is voluminous and the product is defective. Similarly, if the amount of glass fiber exceeds 40 g / m 2 , the amount of fiber increases and the surface smoothness of the panel is impaired, resulting in a defective product.

本発明に使用するパネル基材１は、好ましくは熱可塑性合成樹脂からなる発泡板であり、熱可塑性合成樹脂としては、例えばポリスチレン系樹脂、ポリスチレン系共重合樹脂、ポリメチルメタアクリレート系樹脂等が挙げられる。熱可塑性合成樹脂として、着火燃焼の際多量の発煙を伴うポリスチレン発泡体を使用する場合には、本発明の防炎効果が特に顕著に表れる。また、ここで用いられる押出発泡ポリスチレン板は、好ましくは、その厚さが２〜３０ｍｍ、密度が１０〜１３０ｋｇ／ｍ3であり、より好ましくは厚さが３〜１０ｍｍ、密度が３０〜８０ｋｇ／ｍ3である。厚さが薄すぎると基材としての剛性が不足しやすく、厚過ぎるとかさばるので展示用として不都合を生じやすい。また、密度が低過ぎると基材としての剛性が不足しやすく、密度が高過ぎると樹脂の燃焼により防炎性能が劣り、また重量が増して取り扱いにくく、材料的に不経済になりやすい。 The panel substrate 1 used in the present invention is preferably a foamed plate made of a thermoplastic synthetic resin. Examples of the thermoplastic synthetic resin include polystyrene resins, polystyrene copolymer resins, polymethyl methacrylate resins, and the like. Can be mentioned. In the case of using a polystyrene foam with a large amount of smoke during ignition and combustion as the thermoplastic synthetic resin, the flameproof effect of the present invention is particularly prominent. The extruded polystyrene foam plate used here preferably has a thickness of 2 to 30 mm and a density of 10 to 130 kg / m 3 , more preferably a thickness of 3 to 10 mm and a density of 30 to 80 kg / m. m is 3. If the thickness is too thin, the rigidity as a base material is likely to be insufficient, and if it is too thick, it is bulky and thus tends to cause inconvenience for display purposes. On the other hand, if the density is too low, the rigidity of the substrate tends to be insufficient, and if the density is too high, the flameproof performance is inferior due to the combustion of the resin, and the weight increases, making it difficult to handle, making the material uneconomical.

また、ハロゲン系難燃剤等の、一般的にプラスチックの難燃剤として使用される難燃剤を、パネル基材に添加した場合、難燃性は向上するものの、燃焼・廃棄時にダイオキシン等の有害物が発生し、ハロゲン系難燃剤は環境上好ましくないので使用しない方が好ましい。従って、本発明に使用するパネル基材１としては、実質的に難燃剤を含まないものを用いている。ここで、実質的に難燃剤を含まないとは、発泡板の製造過程で、難燃剤をあえて添加しないことを意味する。もちろん、製造過程でリサイクルポリマー等をブレンド使用する際、その樹脂の中に微量の難燃剤が含まれている場合や、製造ライン中に微量の難燃剤が残っている場合がある。このような場合、発泡板を分析すると０．１ｐｐｈ以下の難燃剤が含まれていることがあるが、この程度の量であれば、燃焼時や廃棄時に有害物が発生する危険性を考慮する必要がないのである。   In addition, when flame retardants generally used as plastic flame retardants, such as halogen flame retardants, are added to the panel base material, flame retardancy is improved, but harmful substances such as dioxins are present during combustion and disposal. Since halogenated flame retardants are environmentally undesirable, it is preferable not to use them. Therefore, the panel base material 1 used in the present invention is substantially free of flame retardant. Here, the phrase “substantially containing no flame retardant” means that no flame retardant is added in the process of manufacturing the foamed plate. Of course, when a recycled polymer or the like is blended and used in the manufacturing process, a small amount of the flame retardant may be contained in the resin, or a small amount of the flame retardant may remain in the production line. In such a case, when the foam plate is analyzed, a flame retardant of 0.1 pph or less may be contained, but if this amount is such, the risk of generating harmful substances during combustion or disposal is considered. There is no need.

パネル基材１の表面は、できるだけ平滑であることが展示後の被着物と基材との分別の点においても好ましい。このような要求に適うものとしては、表層部にスキン層が形成された押出発泡ポリスチレン板であって、光学式変位センサーで求めた表面粗さが０．５ｍｍ以下であることが好ましい。尚、スキン層とは、押出発泡することによって発泡プラスチック板の表面にできる、内部よりは密度が高い平滑な層のことである。   The surface of the panel substrate 1 is preferably as smooth as possible from the standpoint of separating the adherend after display and the substrate. In order to meet such requirements, it is preferable that the surface is a extruded foamed polystyrene plate having a skin layer formed thereon, and the surface roughness obtained by an optical displacement sensor is preferably 0.5 mm or less. The skin layer is a smooth layer having a higher density than the inside, which can be formed on the surface of the foamed plastic plate by extrusion foaming.

また、上記光学式変位センサーとは、被測定物表面との間隔を一定に保った状態で等速度で移動しながら光を被測定物表面に照射して反射光を受光するもので、被測定物表面の凹凸変位が光の反射率と比例していることを利用して、電気信号に変換してレコーダーに出力される光の反射率から表面粗さが得られるようにしたものである。本発明における押出発泡ポリスチレン板の表面粗さは、押出方向に対する幅方向に光学式変位センサーを移動させ、レコーダーにチャートから波の最大値と最小値を読み取り、波の上下差として求められる値である。   The optical displacement sensor is a device that receives reflected light by irradiating the surface of the object with light while moving at a constant speed while maintaining a constant distance from the surface of the object to be measured. By utilizing the fact that the uneven displacement on the surface of the object is proportional to the reflectance of light, the surface roughness can be obtained from the reflectance of light that is converted into an electrical signal and output to the recorder. The surface roughness of the extruded polystyrene foam plate in the present invention is a value obtained by moving the optical displacement sensor in the width direction with respect to the extrusion direction, reading the maximum and minimum values of the wave from the chart to the recorder, and calculating the difference between the wave top and bottom. is there.

本発明に使用する不燃紙３として、具体的には、パルプの割合が２割程度、７割は無機質の水酸化アルミニウム、あとの１割程度はガラス繊維という成分構成である。この水酸化アルミニウムは、高温になると分解反応を起こし水分を発生するため、その水分が冷却・消火の役割を果たす。ガラス繊維は水酸化アルミニウムが高温分解する際に穴が開く作用を防止する作用がある。この作用によって一定時間の延焼性（穴あき）が防止可能となり、優れた防炎性能が発揮される。   Specifically, the non-combustible paper 3 used in the present invention has a component constitution in which the proportion of pulp is about 20%, 70% is inorganic aluminum hydroxide, and the remaining 10% is glass fiber. Since this aluminum hydroxide causes a decomposition reaction and generates moisture at a high temperature, the moisture plays a role of cooling and extinguishing. Glass fiber has the effect of preventing the opening of holes when aluminum hydroxide is decomposed at high temperature. This action makes it possible to prevent fire spread (perforation) for a certain period of time, and exhibits excellent flameproof performance.

また、本発明に使用するパネル基材１と不燃紙３とを粘着する接着剤２としては、水性高分子エマルジョンが好ましい。より具体的には、ポリ酢酸ビニル、酢酸ビニルとエチレンの共重合物、酢酸ビニルとアクリル酸エステルの共重合物、酢酸ビニルとイソブテンの共重合物、酢酸ビニル・エチレン・塩化ビニルの三元共重合物、酢酸ビニル・エチレン・アクリル酸エステルの三元共重合物等などのエマルジョンやこれらのカルボン酸変性物などが好ましく用いられる。これらのエマルジョンは単独で使用しても良いし、２種以上混合使用しても良い。接着性・難燃性の点から望ましいものは酢酸ビニル・エチレン・アクリル酸エステルの三元共重合物である。さらに、これらの水性高分子エマルジョンに難燃剤、水和無機化合物粉体を添加すれば更に難燃性は向上する。   Moreover, as the adhesive agent 2 which adheres the panel base material 1 and the nonflammable paper 3 used in the present invention, an aqueous polymer emulsion is preferable. More specifically, polyvinyl acetate, a copolymer of vinyl acetate and ethylene, a copolymer of vinyl acetate and acrylate, a copolymer of vinyl acetate and isobutene, and a ternary copolymer of vinyl acetate / ethylene / vinyl chloride. Polymers, emulsions such as terpolymers of vinyl acetate / ethylene / acrylic acid esters, and the like, and carboxylic acid-modified products thereof are preferably used. These emulsions may be used alone or in combination of two or more. From the viewpoint of adhesion and flame retardancy, a terpolymer of vinyl acetate / ethylene / acrylic acid ester is desirable. Furthermore, if a flame retardant and a hydrated inorganic compound powder are added to these aqueous polymer emulsions, the flame retardancy is further improved.

なお、接着剤塗布量は、実用上、１０〜２０ｇ／ｍ2（固形分換算）であることが望ましい。下限値未満では接着強度が低下し、上限値を超える場合ではそれ以上塗布しても接着強度は実質的に向上しないからである。 It should be noted that the adhesive application amount is preferably 10 to 20 g / m 2 (in terms of solid content) for practical use. This is because if it is less than the lower limit, the adhesive strength is lowered, and if it exceeds the upper limit, the adhesive strength is not substantially improved even if it is applied more.

＜参考例１、２、実施例１〜９＞
厚さ７ｍｍ、密度７５ｋｇ／ｍ3のポリスチレン押出発泡板（０．１ｐｐｈを超える量の難燃剤を含まない；表面に表面粗さ０．５ｍｍ以下のスキン層有）をパネル基材とし、表裏面に表１に記載する、
イ）防災コーモ（三善製紙（株））坪量１２０ｇ／ｍ2、「パルプ」２０〜２５％、「水酸化アルミニウム」７０〜７５％、「その他」５〜１０％、「コート層」カオリン／炭酸カルシウム；
ロ）サンウォール（三善製紙（株））坪量１５０ｇ／ｍ2、「パルプ」約２０〜２５％、「水酸化アルミ」約７０〜７５％、「その他」約５〜１０％；
ハ）ＪＲＦ（リンテック（株））坪量１２０ｇ／ｍ2、「パルプ」約３０〜４０％、「水酸化アルミ」約５５〜６５％、「ガラス繊維」約１〜３％；
ニ）セラフォームＷ（リンテック（株））坪量１５０ｇ／ｍ2、「パルプ」約１５〜２５％、「水酸化アルミ」約７０〜８０％、「ガラス繊維」約３〜５％；
ホ）セラフォームＭ（リンテック（株））坪量１３０ｇ／ｍ2、「パルプ」約１５〜２５％、「水酸化アルミ」約７０〜８０％、「ガラス繊維」約８〜１０％；
ヘ）ＭＳＡ−１５５（三菱製紙（株））坪量１５５ｇ／ｍ2、「パルプ」約５〜１５％、「水酸化アルミ」約７０〜８０％、「ガラス繊維」約１５〜２５％；
ト）テスト品Ａ 坪量１００ｇ／ｍ2、「パルプ」約１５〜２５％、「水酸化アルミ」約５０〜７０％、「ガラス繊維」約１５〜３０％；
チ）テスト品Ｂ 坪量１８０ｇ／ｍ2、「パルプ」約１５〜２５％、「水酸化アルミ」約５０〜７０％、「ガラス繊維」約１５〜３０％；
のこれらの単体又は複合を、エチレン・酢酸ビニルエマルジョン接着剤（固形分５５％）を用いて粘着した。室温で半日放置乾燥し、防炎性能を付与したパネルを得た。表１に各材料の構成とガラス繊維及び水酸化アルミニウムの質量（ｇ／ｍ2）を示した。 <Reference Examples 1 and 2 and Examples 1 to 9>
A polystyrene extruded foam plate with a thickness of 7 mm and a density of 75 kg / m 3 (not including a flame retardant in an amount exceeding 0.1 pph; with a skin layer having a surface roughness of 0.5 mm or less on the surface) is used as a panel base, and the front and back surfaces Listed in Table 1.
B) Disaster prevention comb (Sanzen Paper Co., Ltd.) Basis weight 120g / m 2 , “Pulp” 20-25%, “Aluminum hydroxide” 70-75%, “Other” 5-10%, “Coat layer” kaolin / Calcium carbonate;
B) Sunwall (Sanzen Paper Co., Ltd.) basis weight 150 g / m 2 , “pulp” about 20-25%, “aluminum hydroxide” about 70-75%, “others” about 5-10%;
C) JRF (Lintec Corporation) basis weight 120 g / m 2 , “pulp” about 30-40%, “aluminum hydroxide” about 55-65%, “glass fiber” about 1-3%;
D) Cerafoam W (Lintec Co., Ltd.) basis weight 150 g / m 2 , “pulp” about 15-25%, “aluminum hydroxide” about 70-80%, “glass fiber” about 3-5%;
E) Serafoam M (Lintec Co., Ltd.) basis weight 130 g / m 2 , “pulp” about 15-25%, “aluminum hydroxide” about 70-80%, “glass fiber” about 8-10%;
F) MSA-155 (Mitsubishi Paper Co., Ltd.) basis weight 155 g / m 2 , “pulp” about 5-15%, “aluminum hydroxide” about 70-80%, “glass fiber” about 15-25%;
G) Test product A basis weight 100 g / m 2 , “pulp” about 15-25%, “aluminum hydroxide” about 50-70%, “glass fiber” about 15-30%;
H) Test product B basis weight 180 g / m 2 , “pulp” about 15-25%, “aluminum hydroxide” about 50-70%, “glass fiber” about 15-30%;
These single substances or composites were adhered using an ethylene / vinyl acetate emulsion adhesive (solid content 55%). The panel was left to dry at room temperature for half a day to obtain a panel imparted with flameproofing performance. Table 1 shows the composition of each material and the mass (g / m 2 ) of glass fiber and aluminum hydroxide.

得られたパネルに対して、財団法人日本防炎協会において防炎製品として認定基準に適合するか否かの評価（防炎性能）を実施した（防炎製品認定試験）。防炎性能試験は消防法施行規則（昭和３６年４月１日自治省令第６号）第４条の３第６項各号に規定する防炎性能試験法に準じて下記の要領で行い評価した。
防炎試験方法：４５°メッケルバーナー法
設置法：試験片を４５°角度に設置し下限からバーナーで加熱
燃焼方法：火源（炎の高さ）メッケルバーナー６５ｍｍ、加熱時間２分
評価基準：残炎時間１０秒以下、残じん時間３０秒以下、炭化面積７０ｃｍ2以下であること。
加熱終了より１５分後に発炎およびくすぶりが認められないこと。 The obtained panel was evaluated by the Japan Flame Protection Association as to whether it conforms to the certification standard as a flameproof product (flameproof performance) (flameproof product certification test). The flameproof performance test is conducted in accordance with the following procedures according to the fireproof performance test method prescribed in each item of Article 4-3, Paragraph 6 of the Fire Service Act Enforcement Regulations (April 1, 1960, Ministry of Home Affairs Ordinance No. 6) did.
Flameproof test method: 45 ° Meckel burner method Installation method: Place the test piece at a 45 ° angle and heat with the burner from the lower limit Method of combustion: Fire source (flame height) Meckel burner 65mm, heating time 2 minutes Evaluation criteria: remaining The flame time is 10 seconds or less, the residual dust time is 30 seconds or less, and the carbonized area is 70 cm 2 or less.
There should be no flaming or smoldering 15 minutes after the end of heating.

参考例１、２、実施例１〜９は、防炎性能試験（炭化面積）は合格であった。   Reference Examples 1 and 2 and Examples 1 to 9 passed the flameproof performance test (carbonized area).

＜比較例１〜１０＞
比較例１〜１０については、実施例に示す素板の密度と同じく厚さ７ｍｍ、密度７５ｋｇ／ｍ3のポリスチレン押出発泡板（０．１ｐｐｈを超える量の難燃剤を含まない；表面に表面粗さ０．５ｍｍ以下のスキン層有）をパネル基材とし、また、それぞれ表１に示す不燃紙を接着剤で粘着した。そして、実施例と同様に評価したところ、比較例１〜１０は防炎性能試験に不合格であった。 <Comparative Examples 1-10>
For Comparative Examples 1 to 10, a polystyrene extruded foam plate having a thickness of 7 mm and a density of 75 kg / m 3 (not including a flame retardant in an amount exceeding 0.1 pph), similar to the density of the base plate shown in the Examples; A non-combustible paper shown in Table 1 was adhered with an adhesive. And when it evaluated similarly to an Example, Comparative Examples 1-10 failed the flame-proof performance test.

Figure 2014102277
Figure 2014102277

本発明の防炎性展示用パネルは、例えば、商店、レストラン、デパート等で用いられる室内広告宣伝板、案内板等に使用することができる。   The flameproof display panel of the present invention can be used for, for example, indoor advertising boards, guide boards and the like used in shops, restaurants, department stores and the like.

１ パネル基材（合成樹脂発泡板）
２ 接着剤
３ 不燃紙 1 Panel substrate (synthetic resin foam board)
2 Adhesive 3 Noncombustible paper

Claims (3)

合成樹脂発泡板の表裏面に、５０〜３００ｇ／ｍ2の水酸化アルミニウムと、１０〜４０ｇ／ｍ2のガラス繊維とが添加された不燃紙が粘着されていることを特徴とする防炎性展示用パネル。 Flameproof property characterized in that non-combustible paper to which 50 to 300 g / m 2 of aluminum hydroxide and 10 to 40 g / m 2 of glass fiber are added is adhered to the front and back surfaces of the synthetic resin foam plate. Display panel. 前記合成樹脂発泡板が、密度が５０〜１３０ｋｇ／ｍ3で、０．１ｐｐｈを超える量の難燃剤を含んでいない発泡ポリスチレン板であることを特徴とする請求項１に記載の防炎性展示用パネル。 2. The flameproof display according to claim 1, wherein the synthetic resin foam board is a foamed polystyrene board having a density of 50 to 130 kg / m 3 and containing no flame retardant in an amount exceeding 0.1 pph. Panel. 前記合成樹脂発泡板が、表面にスキン層を有することを特徴とする請求項１又は２に記載の防炎性展示用パネル。   The flameproof display panel according to claim 1 or 2, wherein the synthetic resin foam board has a skin layer on a surface thereof.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107663905A (en) * 2016-07-28 2018-02-06 朴珉秀 Heat-barrier material for building

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JP2005156858A (en) * 2003-11-25 2005-06-16 Dow Kakoh Kk Flame-proof panel for exhibition
JP2006128454A (en) * 2004-10-29 2006-05-18 Toray Ind Inc Electric wave absorber and member therefor
JP2006225931A (en) * 2005-02-16 2006-08-31 Sekisui Chem Co Ltd Flame-proofing panel

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JP2005156858A (en) * 2003-11-25 2005-06-16 Dow Kakoh Kk Flame-proof panel for exhibition
JP2006128454A (en) * 2004-10-29 2006-05-18 Toray Ind Inc Electric wave absorber and member therefor
JP2006225931A (en) * 2005-02-16 2006-08-31 Sekisui Chem Co Ltd Flame-proofing panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107663905A (en) * 2016-07-28 2018-02-06 朴珉秀 Heat-barrier material for building
CN107663905B (en) * 2016-07-28 2019-11-08 朴珉秀 Heat-barrier material for building

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