JP2007040046A - Roof material - Google Patents

Roof material Download PDF

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Publication number
JP2007040046A
JP2007040046A JP2005227633A JP2005227633A JP2007040046A JP 2007040046 A JP2007040046 A JP 2007040046A JP 2005227633 A JP2005227633 A JP 2005227633A JP 2005227633 A JP2005227633 A JP 2005227633A JP 2007040046 A JP2007040046 A JP 2007040046A
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Prior art keywords
metal plate
resin
fiber
roofing material
reinforced resin
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JP2005227633A
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Mikio Hirate
幹夫 平手
Tomohiro Konno
智広 金野
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AGC Matex Co Ltd
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Asahi Glass Matex Co Ltd
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Priority to JP2005227633A priority Critical patent/JP2007040046A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof material having good translucent and see-through property and sufficient strength. <P>SOLUTION: In this roof material 10 composed of a metallic plate 12 and fiber reinforced resin 13 covering both faces of the metallic plate 12, a metallic plate having a daylighting hole 11 having opening area of 20 to 2,000 cm<SP>2</SP>and having an opening rate of 20 to 80% is used as this metallic plate 12, both faces of the metallic plate 12 are covered with transparent fiber reinforced resin 13, and transparent fiber reinforced resin 13 is filled into the daylighting hole 11. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、透光性および透視性を有する屋根材に関する。   The present invention relates to a roof material having translucency and transparency.

照明のための電気の消費を抑えるために、透光性を有する屋根材の需要が増えてきている。透光性を有する屋根材としては、たとえば、多数の透光孔が穿設された金属板の少なくとも上面を透明樹脂層にて被装した屋根材が提案されている（特許文献１、２参照）。   In order to reduce the consumption of electricity for lighting, demand for translucent roofing materials is increasing. As a roof material having translucency, for example, a roof material in which at least an upper surface of a metal plate having a large number of light transmission holes is covered with a transparent resin layer has been proposed (see Patent Documents 1 and 2). ).

該屋根材において、透光性を充分に確保しつつ、屋根材自体および孔の部分の透明樹脂の強度を保つためには、金属板に小さな孔を多数穿設すればよい。しかし、小さな多数の孔を穿設した屋根材では、孔を通して屋根材の向こう側の景色等を視認することはできない。つまり、透視性が低い。そのため、屋根の下側での明るさを確保できても、視界を遮られることによって、開放感が得られない問題がある。
特開平５−１８０５７号公報 特開２００５−４２４３０号公報 In the roof material, in order to maintain the transparency of the roof material itself and the transparent resin at the hole portion while ensuring sufficient translucency, a large number of small holes may be formed in the metal plate. However, in a roof material in which a large number of small holes are drilled, it is impossible to visually recognize the scenery or the like beyond the roof material through the holes. That is, the transparency is low. Therefore, even if the brightness under the roof can be ensured, there is a problem that a feeling of openness cannot be obtained by blocking the field of view.
Japanese Patent Laid-Open No. 5-18057 JP 2005-42430 A

本発明の目的は、透光性および透視性に優れ、かつ充分な強度を有する屋根材を提供することにある。   An object of the present invention is to provide a roofing material that is excellent in translucency and transparency and has sufficient strength.

本発明の屋根材は、開口面積が２０〜２０００ｃｍ2 である採光孔を有し、かつ開口率が２０〜８０％である金属板と、該金属板の両面を被覆し、かつ前記採光孔に充填された透明な繊維強化樹脂とを有することを特徴とする。 The roofing material of the present invention has a daylighting hole having an opening area of 20 to 2000 cm 2 and an opening ratio of 20 to 80%, covers both surfaces of the metal plate, and It is characterized by having a transparent fiber reinforced resin filled.

前記採光孔の部分の繊維強化樹脂の全光線透過率は、２％以上であることが好ましい。
前記繊維強化樹脂は、ガラス繊維に含浸させた硬化性樹脂を硬化させたものであり、硬化後の硬化性樹脂の屈折率とガラス繊維の屈折率との差の絶対値が、１以下であることが好ましい。
前記金属板の厚さは、２〜１０ｍｍであり、かつ屋根材の厚さは、４〜２０ｍｍであることが好ましい。 The total light transmittance of the fiber reinforced resin at the daylighting hole is preferably 2% or more.
The fiber reinforced resin is obtained by curing a curable resin impregnated in glass fiber, and the absolute value of the difference between the refractive index of the cured curable resin and the refractive index of the glass fiber is 1 or less. It is preferable.
The thickness of the metal plate is preferably 2 to 10 mm, and the thickness of the roofing material is preferably 4 to 20 mm.

本発明の屋根材は、透光性および透視性に優れ、かつ充分な強度を有する。   The roofing material of the present invention is excellent in translucency and transparency and has sufficient strength.

図１は、本発明の屋根材の一例を示す斜視図であり、図２は、本発明の屋根材の一例を示す断面図である。該屋根材１０は、間隔をあけて穿設された複数の採光孔１１を有する金属板１２と、該金属板１２の両面を被覆し、かつ前記採光孔１１に充填された透明な繊維強化樹脂１３とを有して概略構成されるものである。   FIG. 1 is a perspective view showing an example of the roofing material of the present invention, and FIG. 2 is a cross-sectional view showing an example of the roofing material of the present invention. The roof material 10 includes a metal plate 12 having a plurality of daylighting holes 11 drilled at intervals, and a transparent fiber reinforced resin covering both surfaces of the metal plate 12 and filled in the daylighting holes 11. 13 and roughly configured.

屋根材１０の厚さは、４〜２０ｍｍが好ましく、６〜１０ｍｍがより好ましい。屋根材１０の厚さを４ｍｍ以上とすることにより、充分な強度が得られる。屋根材１０の厚さを２０ｍｍ以下とすることにより、屋根材１０の軽量化を図れる。   4-20 mm is preferable and, as for the thickness of the roofing material 10, 6-10 mm is more preferable. By setting the thickness of the roofing material 10 to 4 mm or more, sufficient strength can be obtained. By making the thickness of the roofing material 10 20 mm or less, the weighting of the roofing material 10 can be achieved.

（金属板）
金属板１２としては、ステンレス板、鉄板、アルミニウム板、銅板等が挙げられる。
金属板１２の厚さは、２〜１０ｍｍが好ましく、３〜６ｍｍがより好ましい。金属板１２の厚さを２ｍｍ以上とすることにより、金属板１２による屋根材１０の補強効果が高くなる。金属板１２の厚さを１０ｍｍ以下とすることにより、屋根材１０の軽量化を図れる。 (Metal plate)
Examples of the metal plate 12 include a stainless plate, an iron plate, an aluminum plate, and a copper plate.
2-10 mm is preferable and, as for the thickness of the metal plate 12, 3-6 mm is more preferable. By setting the thickness of the metal plate 12 to 2 mm or more, the reinforcing effect of the roof material 10 by the metal plate 12 is enhanced. By making the thickness of the metal plate 12 10 mm or less, the roof material 10 can be reduced in weight.

金属板１２の開口率は、２０〜８０％であり、３０〜６０％が好ましい。金属板１２の開口率を２０％以上とすることにより、屋根材１０の透光性が充分に確保される。金属板１２の開口率を８０％以下とすることにより、屋根材１０の強度が充分に確保される。本発明における「開口率」は、以下の式によって求められる。
開口率＝（すべての採光孔１１の開口面積（ｃｍ2 ）の合計／金属板１２の表面積（採光孔１１の開口面積を含む）（ｃｍ2 ））×１００ The aperture ratio of the metal plate 12 is 20 to 80%, and preferably 30 to 60%. By setting the aperture ratio of the metal plate 12 to 20% or more, the translucency of the roof material 10 is sufficiently ensured. By setting the aperture ratio of the metal plate 12 to 80% or less, the strength of the roofing material 10 is sufficiently ensured. The “aperture ratio” in the present invention is determined by the following equation.
Aperture ratio = (total opening area (cm 2 ) of all lighting holes 11 / surface area of metal plate 12 (including opening area of lighting holes 11) (cm 2 )) × 100

採光孔１１は、金属板１２を貫通して穿設された孔である。金属板１２は、開口面積が２０〜２０００ｃｍ2 である採光孔１１を有するものであり、開口面積が５０〜１０００ｃｍ2 である採光孔１１を有するものがより好ましく、開口面積が６０〜５００ｃｍ2 である採光孔１１を有するものが最も好ましい。採光孔１１の開口面積を２０ｃｍ2 以上とすることにより、屋根材１０の透視性が充分に確保される。採光孔１１の開口面積を２０００ｃｍ2 以下とすることにより、採光孔１１における屋根材１０の強度、特に耐衝撃強度が充分に確保される。本発明における「開口面積」は、採光孔１１の開口端面の面積である。 The daylighting hole 11 is a hole drilled through the metal plate 12. Metal plate 12, which opening area includes a lighting hole 11 is 20～2000Cm 2, more preferably one aperture area has a lighting hole 11 is 50～1000Cm 2, open area in 60～500Cm 2 Those having a certain daylighting hole 11 are most preferable. By setting the opening area of the daylighting hole 11 to 20 cm 2 or more, the transparency of the roofing material 10 is sufficiently ensured. By setting the opening area of the daylighting hole 11 to 2000 cm 2 or less, the strength of the roofing material 10 in the daylighting hole 11, particularly the impact resistance strength is sufficiently secured. The “opening area” in the present invention is the area of the opening end face of the daylighting hole 11.

（繊維強化樹脂）
繊維強化樹脂１３は、強化繊維に含浸させた硬化性樹脂を硬化させたものである。
金属板１２の両面を被覆している繊維強化樹脂１３は、採光孔１１に充填された繊維強化樹脂１３を介して連続して形成されており、金属板１２の両面を被覆している繊維強化樹脂１３と採光孔１１に充填された繊維強化樹脂１３とは一体化している。
繊維強化樹脂１３は、金属板１２の周縁も被覆していることが好ましい。 (Fiber reinforced resin)
The fiber reinforced resin 13 is obtained by curing a curable resin impregnated in a reinforced fiber.
The fiber reinforced resin 13 covering both surfaces of the metal plate 12 is continuously formed through the fiber reinforced resin 13 filled in the daylighting holes 11, and the fiber reinforced resin covering both surfaces of the metal plate 12. The resin 13 and the fiber reinforced resin 13 filled in the daylighting hole 11 are integrated.
It is preferable that the fiber reinforced resin 13 also covers the periphery of the metal plate 12.

強化繊維としては、ガラス繊維；炭素繊維；金属繊維；アルミナ繊維、炭化ケイ素繊維、窒化ケイ素等のセラミック繊維；アラミド繊維、ポリエチレン繊維、ポリアリレート繊維等の合成樹脂繊維等が挙げられる。これらのうち、屋根材１０の透光性、強度、製造コスト、成形性等の点で、ガラス繊維が好ましい。
強化繊維の形態としては、チョップドストランドマット、コンティニュアスストランドマット、ロービングクロス等が挙げられる。 Examples of the reinforcing fiber include glass fiber; carbon fiber; metal fiber; ceramic fiber such as alumina fiber, silicon carbide fiber, and silicon nitride; synthetic resin fiber such as aramid fiber, polyethylene fiber, and polyarylate fiber. Among these, glass fiber is preferable in terms of translucency, strength, manufacturing cost, moldability, and the like of the roof material 10.
Examples of the reinforcing fiber include a chopped strand mat, a continuous strand mat, and a roving cloth.

硬化性樹脂としては、ビニルエステル樹脂、不飽和ポリエステル樹脂、エポキシアクリレート樹脂、ジアリルフタレート樹脂、エポキシ樹脂、フェノール樹脂等が挙げられる。これらのうち、屋根材１０の透光性、強度、製造コスト、成形性等の点で、不飽和ポリエステル樹脂が好ましい。
硬化性樹脂には、必要に応じて、促進剤、硬化剤、着色剤、充填剤等の添加剤を添加してもよい。 Examples of the curable resin include vinyl ester resin, unsaturated polyester resin, epoxy acrylate resin, diallyl phthalate resin, epoxy resin, and phenol resin. Of these, unsaturated polyester resin is preferable in terms of translucency, strength, manufacturing cost, moldability, and the like of the roof material 10.
You may add additives, such as an accelerator, a hardening | curing agent, a coloring agent, a filler, to curable resin as needed.

繊維強化樹脂１３は、着色されていてもよいし、着色されていなくてもよい。ただし、屋根材１０の透光性および透視性を確保するために、透明である必要がある。本発明における「透明な繊維強化樹脂」とは、可視光を透過し得る繊維強化樹脂である。具体的には、屋根材１０の厚さ方向の繊維強化樹脂１３の全光線透過率が、採光孔１１の部分において２％以上であることが好ましい。本発明における「全光線透過率」は、ＪＩＳ Ｋ７１０５に準拠して測定される。   The fiber reinforced resin 13 may be colored or may not be colored. However, in order to ensure the translucency and transparency of the roofing material 10, it needs to be transparent. The “transparent fiber reinforced resin” in the present invention is a fiber reinforced resin that can transmit visible light. Specifically, the total light transmittance of the fiber reinforced resin 13 in the thickness direction of the roofing material 10 is preferably 2% or more in the portion of the daylighting hole 11. The “total light transmittance” in the present invention is measured according to JIS K7105.

硬化後の硬化性樹脂の屈折率とガラス繊維の屈折率との差の絶対値は、１以下であることが好ましい。硬化後の硬化性樹脂の屈折率とガラス繊維の屈折率との差を小さくすることにより、屋根材１０の透光性および透視性がさらに向上する。本発明における「屈折率」は、ナトリウムＤ線を用いて測定される屈折率ｎD である。 The absolute value of the difference between the refractive index of the curable resin after curing and the refractive index of the glass fiber is preferably 1 or less. By reducing the difference between the refractive index of the curable resin after curing and the refractive index of the glass fiber, the translucency and transparency of the roofing material 10 are further improved. The “refractive index” in the present invention is a refractive index n D measured using a sodium D line.

繊維強化樹脂１３の表面は、平滑であることが好ましい。繊維強化樹脂１３の表面を平滑とすることにより、表面の凹凸による光の乱反射が抑えられ、屋根材１０の透光性および透視性がさらに向上する。具体的には、繊維強化樹脂１３の表面の中心線平均粗さＲa が、１００μｍ以下であるが好ましい。本発明における「中心線平均粗さＲa 」は、ＪＩＳ Ｂ００３１およびＪＩＳ Ｂ００６１に準拠して測定される。   The surface of the fiber reinforced resin 13 is preferably smooth. By making the surface of the fiber reinforced resin 13 smooth, irregular reflection of light due to surface irregularities is suppressed, and the translucency and transparency of the roofing material 10 are further improved. Specifically, the center line average roughness Ra of the surface of the fiber reinforced resin 13 is preferably 100 μm or less. The “centerline average roughness Ra” in the present invention is measured according to JIS B0031 and JIS B0061.

（屋根材の製造方法）
屋根材１０は、たとえば以下のようにして製造される。
（ｉ）表面が平滑な型の上に離型フィルムを敷き込み、該離型フィルム上に液状の硬化性樹脂を塗布する。
（ii）硬化性樹脂上にマット状の強化繊維を敷き込み、強化繊維に硬化性樹脂を含浸させる。
（iii)硬化性樹脂が含浸した強化繊維上に、採光孔１１を有する金属板１２を押し付け、両材料を密着させる。
（iv）採光孔１１と同じ形状にカットされたマット状の強化繊維を、採光孔１１に充填する。
（ｖ）採光孔１１に充填された強化繊維に液状の硬化性樹脂を塗布し、強化繊維に硬化性樹脂を含浸させる。 (Manufacturing method of roofing material)
The roofing material 10 is manufactured as follows, for example.
(I) A release film is laid on a mold having a smooth surface, and a liquid curable resin is applied on the release film.
(Ii) A mat-like reinforcing fiber is laid on the curable resin, and the reinforcing fiber is impregnated with the curable resin.
(Iii) The metal plate 12 having the daylighting hole 11 is pressed onto the reinforcing fiber impregnated with the curable resin, and both materials are brought into close contact with each other.
(Iv) Fill the daylighting hole 11 with mat-like reinforcing fibers cut into the same shape as the daylighting hole 11.
(V) A liquid curable resin is applied to the reinforcing fibers filled in the daylighting holes 11, and the reinforcing fibers are impregnated with the curable resin.

（vi）金属板１２の上面にマット状の強化繊維を敷き込み、該強化繊維に液状の硬化性樹脂を塗布し、強化繊維に硬化性樹脂を含浸させる。
（vii)硬化性樹脂が含浸した強化繊維上に離型フィルムを敷き込み、該離型フィルム上から鉄製ロッド等を押し当て、該ロッドで扱くようにして硬化性樹脂が含浸した強化繊維内から微細泡を押し出す。
（viii）離型フィルムを敷き込んだ状態で上面からウエイトによりプレスし、硬化性樹脂を硬化させる。
（ix）両面の離型フィルムを剥がし、必要に応じて、余分な繊維強化樹脂を切断して屋根材１０を得る。 (Vi) A mat-like reinforcing fiber is laid on the upper surface of the metal plate 12, a liquid curable resin is applied to the reinforcing fiber, and the reinforcing fiber is impregnated with the curable resin.
(Vii) A release film is laid on the reinforcing fiber impregnated with the curable resin, an iron rod or the like is pressed from the release film, and the reinforcing fiber impregnated with the curable resin is handled with the rod. Extrude the fine bubbles from.
(Viii) A curable resin is cured by pressing with a weight from above with the release film laid.
(Ix) The release films on both sides are peeled off, and if necessary, excess fiber reinforced resin is cut to obtain the roofing material 10.

型としては、表面が平滑なものであればよく、ガラス板等を用いればよい。
離型フィルムは、繊維強化樹脂が型およびウエイトに付着しないようにするとともに、屋根材１０の表面に平滑性を付与するためのものである。離型フィルムとしては、ポリエチレンテレフタレート、ポリプロピレン、ポリエチレン等の熱可塑性樹脂フィルム、離型剤を塗布した熱可塑性樹脂フィルム等が挙げられる。離型フィルムを用いずに、離型処理を施した型を用いてもよい。
硬化性樹脂の硬化は、硬化性樹脂の種類に応じて、熱または光によって行う。 As a type | mold, what is necessary is just for the surface to be smooth, and what is necessary is just to use a glass plate.
The release film is for preventing the fiber reinforced resin from adhering to the mold and the weight and imparting smoothness to the surface of the roofing material 10. Examples of the release film include thermoplastic resin films such as polyethylene terephthalate, polypropylene, and polyethylene, and thermoplastic resin films coated with a release agent. You may use the type | mold which performed the mold release process, without using a mold release film.
Curing of the curable resin is performed by heat or light depending on the type of the curable resin.

採光孔１１に充填される強化繊維の量は、６００〜４８００ｇ／ｍ2 とすることが好ましく、１２００〜３０００ｇ／ｍ2 とすることが好ましい。採光孔１１に充填される強化繊維の量を６００ｇ／ｍ2 以上とすることにより、採光孔１１における屋根材１０の強度、特に耐衝撃強度が充分に確保される。採光孔１１に充填される強化繊維の量を４８００ｇ／ｍ2 以下とすることにより、屋根材１０の透光性および透視性が充分に確保される。
金属板１２の表面を被覆する強化繊維の量は、片面あたり３００〜２４００ｇ／ｍ2 とすることが好ましい。 The amount of reinforcing fibers to be filled in lighting hole 11 is preferably in a 600~4800g / m 2, it is preferable to 1200~3000g / m 2. By setting the amount of reinforcing fiber filled in the daylighting hole 11 to 600 g / m 2 or more, the strength of the roofing material 10 in the daylighting hole 11, particularly the impact resistance strength, is sufficiently secured. By setting the amount of the reinforcing fiber filled in the daylighting hole 11 to 4800 g / m 2 or less, the translucency and transparency of the roofing material 10 are sufficiently ensured.
The amount of the reinforcing fiber covering the surface of the metal plate 12 is preferably 300 to 2400 g / m 2 per side.

以上説明した屋根材１０にあっては、金属板１２と、該金属板１２の両面を被覆する繊維強化樹脂１３とからなる屋根材１０において、前記金属板１２として、開口面積が２０〜２０００ｃｍ2 である採光孔１１を有し、かつ開口率が２０〜８０％である金属板を用い、該金属板１２の両面を透明な繊維強化樹脂１３で被覆するとともに、前記採光孔１１に透明な繊維強化樹脂１３を充填しているため、透光性および透視性に優れ、かつ充分な強度を有する。 In the roof material 10 described above, in the roof material 10 composed of the metal plate 12 and the fiber reinforced resin 13 covering both surfaces of the metal plate 12, the metal plate 12 has an opening area of 20 to 2000 cm 2. A metal plate having an aperture ratio of 20 to 80% and covering both surfaces of the metal plate 12 with a transparent fiber reinforced resin 13, and a transparent fiber in the light aperture 11 Since the reinforced resin 13 is filled, it is excellent in translucency and transparency and has sufficient strength.

すなわち、金属板１２の開口率を２０％以上とすることにより、屋根材１０の透光性が充分に確保されるが、個々の採光孔１１の開口面積が小さければ、採光孔１１を通して屋根材１０の向こう側の景色等を視認することはできず、屋根材１０の透視性が不充分となる。そこで、本発明においては、開口面積が２０〜２０００ｃｍ2 である採光孔１１を有する金属板１２を用いることにより、屋根材１０の透視性を充分に確保している。 That is, by setting the opening ratio of the metal plate 12 to 20% or more, the translucency of the roofing material 10 is sufficiently ensured. However, if the opening area of each lighting hole 11 is small, the roofing material is passed through the lighting hole 11. The scenery of the other side of 10 cannot be visually recognized, and the transparency of the roofing material 10 becomes insufficient. Therefore, in the present invention, the transparency of the roofing material 10 is sufficiently secured by using the metal plate 12 having the daylighting holes 11 having an opening area of 20 to 2000 cm 2 .

なお、採光孔の開口面積を２０ｃｍ2 以上とした場合、従来の屋根材のように金属板を被覆する樹脂として塩化ビニル樹脂、アクリル樹脂、ポリカーボネート樹脂等の熱可塑性樹脂を用いた屋根材では、採光孔の部分に落下物等が衝突した場合、容易に破損してしまう。一方、本発明においては、金属板１２を被覆し、かつ採光孔１１に充填される樹脂として、繊維強化樹脂１３を用いているため、採光孔１１の開口面積を２０ｃｍ2 以上と広くしても、落下物等の衝突に対して、充分な強度（耐衝撃強度）が確保されている。 In addition, when the opening area of the daylighting hole is 20 cm 2 or more, in a roof material using a thermoplastic resin such as vinyl chloride resin, acrylic resin, polycarbonate resin as a resin for covering a metal plate like a conventional roof material, If a fallen object or the like collides with the daylighting hole, it will be easily damaged. On the other hand, in the present invention, since the fiber reinforced resin 13 is used as the resin that covers the metal plate 12 and fills the daylighting hole 11, even if the opening area of the daylighting hole 11 is widened to 20 cm 2 or more. Sufficient strength (impact resistance) is ensured against collision of falling objects and the like.

なお、本発明の屋根材は、図１に示す屋根材１０に限定はされず、開口面積が２０〜２０００ｃｍ2 である採光孔１１を有し、かつ開口率が２０〜８０％である金属板１２と、金属板１２の両面を被覆し、かつ採光孔１１に充填された透明な繊維強化樹脂１３とを有するものであれば、どのような形態のものでもよい。
たとえば、図３に示すように、角波形状の金属板１２を用いた折版屋根材２０であってもよく、図４に示すように、丸波形状の金属板１２を用いた折版屋根材３０であってもよい。 In addition, the roofing material of this invention is not limited to the roofing material 10 shown in FIG. 1, The metal plate which has the lighting hole 11 whose opening area is 20-2000 cm < 2 >, and whose opening rate is 20-80%. As long as it has 12 and the transparent fiber reinforced resin 13 which coat | covered both surfaces of the metal plate 12, and was filled in the lighting hole 11, the thing of what form may be sufficient.
For example, as shown in FIG. 3, it may be a folded roof material 20 using a square-wave metal plate 12, and as shown in FIG. 4, a folded roof using a round-wave metal plate 12. The material 30 may be used.

また、採光孔１１の形状も、図１に示すような円形に限定されず、三角形、正方形、六角形、円形、星形、波形等、任意の形状としてもよい。
また、採光孔１１は、大きさの異なる（小さいまたは大きい）採光孔１１が混在していてもよく、開口面積が２０〜２０００ｃｍ2 から外れる小さい採光孔または大きい採光孔が混在していてもよい。 Further, the shape of the daylighting hole 11 is not limited to a circle as shown in FIG. 1, and may be an arbitrary shape such as a triangle, a square, a hexagon, a circle, a star, and a waveform.
Further, the daylighting holes 11 may be mixed with daylighting holes 11 of different sizes (smaller or larger), and may be mixed with small daylighting holes or large daylighting holes whose opening area is out of the range of 20 to 2000 cm 2. .

以下、実施例を示す。
液状の不飽和ポリエステル樹脂（日本ユピカ社製、商品名「４００１Ａ」、硬化後の屈折率１．５４）に促進剤（ナフテン酸コバルト）を０．３ｐｈｒ添加してよく撹拌し、ついで硬化剤（過酸化物）を１．５ｐｈｒ添加して撹拌し、硬化性樹脂を調製した。 Examples are shown below.
Add 0.3 phr of an accelerator (cobalt naphthenate) to a liquid unsaturated polyester resin (trade name “4001A” manufactured by Nippon Iupika Co., Ltd., refractive index 1.54 after curing), and then stir well. Peroxide) was added and stirred to prepare a curable resin.

縦５０ｃｍ×横５０ｃｍのガラス板からなる型の上に、型よりもひとまわり大きい離型フィルムを敷き込み、該離型フィルム上に液状の硬化性樹脂を縦２０ｃｍ×横５０ｃｍにわたって塗布した。
ついで、この硬化性樹脂上に、縦２０ｃｍ×横５０ｃｍのガラス繊維のチョップドストランドマット（旭ファイバーグラス社製、商品名「ＣＭ＃６００」、６００ｇ／ｃｍ2 、屈折率１．５５）を敷き込み、強化繊維に硬化性樹脂を含浸させた。 A mold release film that was slightly larger than the mold was laid on a mold composed of a glass plate measuring 50 cm in length and 50 cm in width, and a liquid curable resin was applied to the mold release film over 20 cm in length and 50 cm in width.
Next, a chopped strand mat (made by Asahi Fiber Glass Co., Ltd., trade name “CM # 600”, 600 g / cm 2 , refractive index 1.55) of 20 cm long × 50 cm wide is laid on the curable resin. The reinforced fiber was impregnated with a curable resin.

硬化性樹脂が含浸したチョップドストランドマット上に、直径９０ｍｍ（開口面積６３．６ｃｍ2 ）の採光孔を３個有する縦１５ｃｍ×横４０ｃｍ×厚さ３ｍｍのステンレス板（開口率３１．８％）を押し付け、密着させた。
採光孔と同じ円形にカットされた直径９０ｍｍのガラス繊維のチョップドストランドマット（商品名「ＣＭ＃６００」）を、各採光孔に充填した。 On a chopped strand mat impregnated with a curable resin, a stainless steel plate (opening ratio 31.8%) having a length of 15 cm, a width of 40 cm, and a thickness of 3 mm having three daylighting holes having a diameter of 90 mm (opening area: 63.6 cm 2 ). Pressed and stuck.
Each daylight hole was filled with a chopped strand mat (trade name “CM # 600”) of glass fiber having a diameter of 90 mm cut into the same circular shape as the daylighting hole.

採光孔に充填されたチョップドストランドマットに液状の硬化性樹脂を塗布し、チョップドストランドマットに硬化性樹脂を含浸させた。
さらに、直径９０ｍｍのガラス繊維のチョップドストランドマット（商品名「ＣＭ＃６００」）を各採光孔に充填し、該２層目のチョップドストランドマットに液状の硬化性樹脂を塗布し、チョップドストランドマットに硬化性樹脂を含浸させた。 A liquid curable resin was applied to the chopped strand mat filled in the daylighting hole, and the chopped strand mat was impregnated with the curable resin.
Further, a glass fiber chopped strand mat (trade name “CM # 600”) having a diameter of 90 mm is filled in each daylighting hole, and a liquid curable resin is applied to the second layer of the chopped strand mat to form a chopped strand mat. Impregnated with a curable resin.

ステンレス板の上面に、縦２０ｃｍ×横５０ｃｍのガラス繊維のチョップドストランドマット（商品名「ＣＭ＃６００」）を敷き込み、該チョップドストランドマットに液状の硬化性樹脂を塗布し、チョップドストランドマットに硬化性樹脂を含浸させた。
硬化性樹脂が含浸したチョップドストランドマット上に縦８０ｃｍ×横８０ｃｍの離型フィルムを敷き込み、該離型フィルム上から鉄製ロッドを押し当て、該ロッドで扱くようにして硬化性樹脂が含浸したチョップドストランドマット内から微細泡を押し出した。 A chopped strand mat (product name “CM # 600”) of 20 cm long × 50 cm wide is laid on the upper surface of the stainless steel plate, and a liquid curable resin is applied to the chopped strand mat and cured to the chopped strand mat. An impregnated resin was impregnated.
An 80 cm long x 80 cm wide release film was laid on a chopped strand mat impregnated with a curable resin, and an iron rod was pressed from the release film so that the curable resin was impregnated with the rod. Fine foam was extruded from within the chopped strand mat.

離型フィルムを敷き込んだ状態で上面から５ｋｇのウエイトによりプレスし、そのまま室温で６時間養生し、硬化性樹脂を硬化させた。
両面の離型フィルムを剥がし、ステンレス板の周縁から５ｍｍの繊維強化樹脂が残るように、周囲の余分な繊維強化樹脂を切断して、縦１６ｃｍ×横４１ｃｍ×厚さ６ｍｍの屋根材を得た。 In the state where the release film was laid, pressing was performed with a weight of 5 kg from the upper surface, followed by curing at room temperature for 6 hours to cure the curable resin.
The release films on both sides were peeled off, and excess fiber reinforced resin around the periphery was cut so that 5 mm of fiber reinforced resin remained from the periphery of the stainless steel plate to obtain a roofing material having a length of 16 cm × width of 41 cm × thickness of 6 mm. .

本発明の屋根材は、透光性および透視性が求められる屋根の材料としてたいへん有用である。   The roofing material of the present invention is very useful as a roofing material that requires translucency and transparency.

本発明の屋根材の一例を示す斜視図である。It is a perspective view which shows an example of the roofing material of this invention. 本発明の屋根材の一例を示す断面図である。It is sectional drawing which shows an example of the roofing material of this invention. 本発明の屋根材の他の例を示す斜視図である。It is a perspective view which shows the other example of the roofing material of this invention. 本発明の屋根材の他の例を示す斜視図である。It is a perspective view which shows the other example of the roofing material of this invention.

符号の説明Explanation of symbols

１０ 屋根材
１１ 採光孔
１２ 金属板
１３ 繊維強化樹脂
２０ 折版屋根材（屋根材）
３０ 折版屋根材（屋根材）
DESCRIPTION OF SYMBOLS 10 Roof material 11 Daylighting hole 12 Metal plate 13 Fiber reinforced resin 20 Origami roof material (roof material)
30 Origami roofing material (roofing material)

Claims (4)

開口面積が２０〜２０００ｃｍ2 である採光孔を有し、かつ開口率が２０〜８０％である金属板と、
該金属板の両面を被覆し、かつ前記採光孔に充填された透明な繊維強化樹脂と
を有する屋根材。 A metal plate having a daylighting hole with an opening area of 20 to 2000 cm 2 and an opening ratio of 20 to 80%;
A roofing material comprising: a transparent fiber-reinforced resin covering both surfaces of the metal plate and filled in the daylighting hole. 前記採光孔の部分の繊維強化樹脂の全光線透過率が、２％以上である、請求項１に記載の屋根材。   The roofing material according to claim 1, wherein the total light transmittance of the fiber reinforced resin in the portion of the daylighting hole is 2% or more. 前記繊維強化樹脂が、ガラス繊維に含浸させた硬化性樹脂を硬化させたものであり、
硬化後の硬化性樹脂の屈折率とガラス繊維の屈折率との差の絶対値が、１以下である、請求項１または２に記載の屋根材。 The fiber reinforced resin is obtained by curing a curable resin impregnated in glass fiber,
The roofing material according to claim 1 or 2, wherein an absolute value of a difference between a refractive index of the curable resin after curing and a refractive index of the glass fiber is 1 or less. 前記金属板の厚さが、２〜１０ｍｍであり、かつ屋根材の厚さが、４〜２０ｍｍである、請求項１〜３のいずれか一項に記載の屋根材。
The roof material as described in any one of Claims 1-3 whose thickness of the said metal plate is 2-10 mm, and whose thickness of a roof material is 4-20 mm.
JP2005227633A 2005-08-05 2005-08-05 Roof material Pending JP2007040046A (en)

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JP2009185557A (en) * 2008-02-08 2009-08-20 Otis:Kk Resin roofing material
US20130108830A1 (en) * 2011-10-26 2013-05-02 Jung-Chin Wu Composite plate structure and manufacturing method thereof

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JPS5855111A (en) * 1981-09-30 1983-04-01 Mitsubishi Heavy Ind Ltd Controller for plate shape in multistage cluster rolling mill
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JPS6078430A (en) * 1983-10-06 1985-05-04 Canon Inc Feeding circuit of camera
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JPS5777527A (en) * 1980-10-31 1982-05-14 Dainichi Nippon Cables Ltd Manufacture of electrically insulating paper
JPS5855111A (en) * 1981-09-30 1983-04-01 Mitsubishi Heavy Ind Ltd Controller for plate shape in multistage cluster rolling mill
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185557A (en) * 2008-02-08 2009-08-20 Otis:Kk Resin roofing material
US20130108830A1 (en) * 2011-10-26 2013-05-02 Jung-Chin Wu Composite plate structure and manufacturing method thereof
US9242426B2 (en) * 2011-10-26 2016-01-26 Compal Electronics, Inc. Composite plate structure and manufacturing method thereof

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