JP2007303081A - Ceramic building material and its manufacturing method - Google Patents
Ceramic building material and its manufacturing method Download PDFInfo
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Abstract
Description
本発明は、意匠性、耐熱性、断熱性等に優れる高強度のセラミック製建材およびその製造方法に関する。 The present invention relates to a high-strength ceramic building material excellent in design properties, heat resistance, heat insulation, and the like, and a method for producing the same.
セラミック材は、金属やプラスチックに比べて耐蝕性、耐候性、耐光性、断熱性等の機能が高い。また、落ち着いた雰囲気や、高級感を演出する等、意匠性にも優れる。このため、高層建築物を始め各種建造物の壁面や窓部の装飾用建材、あるいは日除け用建材などとして用いられる。 Ceramic materials have higher functions such as corrosion resistance, weather resistance, light resistance and heat insulation than metal and plastic. In addition, it has excellent design properties such as a calm atmosphere and a high-class feel. For this reason, it is used as a building material for decoration of walls and windows of various buildings including high-rise buildings, or a building material for awning.
一方で、セラミック材は、強度は十分にあるものの、脆いという性質を有しており、割れた時に飛散、落下する恐れがある。また、金属やプラスチックと比較して重たいこと等の弱点も有している。 On the other hand, the ceramic material has a sufficient strength but is brittle and may be scattered or dropped when cracked. It also has weaknesses such as being heavy compared to metals and plastics.
特許文献１の日除け用建材では、セラミック材を、貫通孔を有する中空部棒状に成形して軽量化を計っている。また、貫通孔内に、長手方向に連続したゴムまたは軟質樹脂の層を設けることで、貫通孔内で水が凍結して体積膨張した時に、この膨張を吸収できるようにし、日除け用建材の割れを防止している。さらに、ゴムまたは軟質樹脂の引張強度を高めれば、日除け建材が割れたときの落下防止機能も発揮するとしている。 In the building material for awning of patent document 1, the ceramic material is shape | molded in the shape of the hollow part bar | burr which has a through-hole, and weight reduction is achieved. In addition, by providing a continuous rubber or soft resin layer in the longitudinal direction in the through hole, when the water freezes and expands in volume in the through hole, the expansion can be absorbed, and the building material for awning is cracked. Is preventing. Furthermore, if the tensile strength of the rubber or soft resin is increased, it will also exhibit the function of preventing the fall when the awning building material breaks.
また、特許文献２の化粧材は、長尺板状の陶板からなる主としてトンネル内の内装材を意図したものである。車両の衝突や、車両の跳ね上げた物体の直撃により陶板が破損した場合に、その破片によって事故が起きることを防止するため、陶板内に設けた複数の中空部または陶板自身に、針金等の紐状物を通過もしくは埋設している。また、中空部に弾性を有する合成樹脂を充填して剥落防止性を強化することも記載されている。 Further, the decorative material of Patent Document 2 is intended mainly for an interior material made of a long plate-like ceramic plate in a tunnel. In order to prevent accidents caused by broken pieces when a ceramic plate is damaged by a collision of a vehicle or a direct hit of an object that is lifted up by a vehicle, a plurality of hollow portions provided in the ceramic plate or the ceramic plate itself are covered with a wire, etc. The string is passed or buried. It also describes that the hollow portion is filled with a synthetic resin having elasticity to enhance the anti-stripping property.
特許文献１に記載の日除け用建材は、セラミック材の中空部に長手方向に連続したゴム又は軟質樹脂を設けているが、中空部を残した状態ではセラミックが割れた時の落下防止機能に問題があり、中空部に樹脂を完全に充填した場合には、樹脂自体の膨張によりセラミックが割れる可能性がある。 The building material for awning described in Patent Document 1 is provided with a continuous rubber or soft resin in the longitudinal direction in the hollow portion of the ceramic material, but there is a problem in the fall prevention function when the ceramic is cracked with the hollow portion left. When the resin is completely filled in the hollow portion, there is a possibility that the ceramic may break due to the expansion of the resin itself.
特許文献２に記載の化粧材においては、陶板の中空部に紐状の補強材を設けただけでは陶板の剥落防止に問題があり、剥落防止強化のために合成樹脂を充填した場合には樹脂自体の膨張により陶板が割れる可能性がある。 In the decorative material described in Patent Document 2, there is a problem in preventing the peeling of the ceramic plate simply by providing a string-like reinforcing material in the hollow portion of the ceramic plate. There is a possibility that the ceramic plate breaks due to expansion of itself.
即ち、今まで、セラミック材の割れを防止でき、かつ万が一セラミック材が破損した場合であってもセラミック片の脱落防止能力を十分に備えたセラミック製建材は得られていない。 That is, until now, no ceramic building material that can prevent cracking of the ceramic material and has sufficient ability to prevent the ceramic pieces from dropping even if the ceramic material is broken.
上記の課題を解決するため本発明に係るセラミック製建材は、セラミック材が中空部を有し、この前記中空部には、補強用芯材が内挿され、該セラミック材と補強用芯材との間隙部は充填材で埋められ、更に、前記充填材に隣接する補強用芯材面の少なくとも一部、および／または充填材自身の内部には、充填材の膨張を吸収するための膨張吸収材が組込まれた構成とした。 In order to solve the above problems, the ceramic building material according to the present invention has a ceramic material having a hollow portion, and a reinforcing core material is inserted into the hollow portion, the ceramic material and the reinforcing core material, In addition, at least a part of the reinforcing core surface adjacent to the filler and / or the interior of the filler itself is expanded and absorbed to absorb the expansion of the filler. The material was incorporated.
また、本発明に係るセラミック製建材の製造方法は、補強用芯材の少なくとも一部に膨張吸収材を取り付ける工程と、前記膨張吸収材付き補強用芯材をセラミック材の中空部に内挿する工程と、前記膨張吸収材付き補強用芯材とセラミック材内壁によって形成された間隙部を充填材で埋める工程とを含む。 The method for manufacturing a ceramic building material according to the present invention includes a step of attaching an expansion absorbent material to at least a part of the reinforcing core material, and the reinforcing core material with the expansion absorbent material is inserted into a hollow portion of the ceramic material. And a step of filling a gap formed by the reinforcing core member with the expansion absorber and the inner wall of the ceramic material with a filler.
本発明に係るセラミック製建材の製造方法の他の態様においては、充填剤に膨張吸収材を混合する工程と、補強用芯材をセラミック材の中空部に内挿する工程と、前記補強用芯材とセラミック材内壁によって形成された間隙部を前記膨張吸収材を混合した充填材で埋める工程とを含む。 In another aspect of the method for producing a ceramic building material according to the present invention, a step of mixing an expansion absorbent with a filler, a step of inserting a reinforcing core material into a hollow portion of the ceramic material, and the reinforcing core Filling a gap formed by the inner wall of the material and the ceramic material with a filler mixed with the expansion absorbing material.
本発明に係るセラミック製建材は、セラミック材の中空部に補強用芯材が内挿されているため高強度である。また、セラミック材と補強用芯材との間は充填材で埋められているため、セラミック材が仮に破壊されたとしても脱落を防止することができる。 The ceramic building material according to the present invention has high strength because the reinforcing core material is inserted into the hollow portion of the ceramic material. Further, since the space between the ceramic material and the reinforcing core material is filled with a filler, even if the ceramic material is destroyed, it can be prevented from falling off.
さらに、充填材に隣接する補強用芯材面の少なくとも一部、および／または充填材自身の内部に、充填材の膨張を吸収するための膨張吸収材を組込んである。したがって、充填材が膨張した場合であっても、膨張吸収材によって充填材の膨れが吸収され、外周のセラミック材には負荷が掛からないため破損する可能性が大幅に低下する。 Furthermore, an expansion absorbing material for absorbing expansion of the filler is incorporated in at least a part of the reinforcing core material surface adjacent to the filler and / or inside the filler itself. Therefore, even when the filler expands, the expansion of the filler is absorbed by the expansion absorber, and the outer ceramic material is not loaded, so the possibility of breakage is greatly reduced.
また、本発明に係るセラミック製建材の製造方法によれば、膨張吸収材を容易に設けることが可能となる。 Moreover, according to the manufacturing method of the ceramic building material which concerns on this invention, it becomes possible to provide an expansion | swelling absorber easily.
以下に本発明の詳細を図によって説明する。図１は本発明に係るセラミック製建材を用いたルーバー装置の斜視図、図２（ａ）は本発明のセラミック製建材に使用する膨張吸収材付き補強用芯材の正面図、（ｂ）は（ａ）の矢示方向からセラミック材を取り付けた状態で見た断面図である。 Details of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a louver device using a ceramic building material according to the present invention, FIG. 2A is a front view of a reinforcing core material with an expansion absorber used in the ceramic building material of the present invention, and FIG. It is sectional drawing seen in the state which attached the ceramic material from the arrow direction of (a).
ルーバー装置Ａは複数本の垂直方向のセラミック製建材１…を上下のフレームＦ１，Ｆ２間に一定の間隔を空けて取り付けている。各セラミック製建材１を垂直方向の軸を中心としてモータなどで回転可能とすることで、セラミック製建材の角度や、セラミック製建材１，１間に形成される隙間を調整し外光の入射量を変更できる構成になっている。 In the louver device A, a plurality of vertical ceramic building materials 1 are attached with a certain distance between the upper and lower frames F1, F2. By making each ceramic building material 1 rotatable with a motor or the like about a vertical axis, the angle of the ceramic building material and the gap formed between the ceramic building materials 1 and 1 are adjusted, and the amount of incident external light It can be changed.
セラミック製建材１は、図２（ｂ）に示すように、中空部を有する断面方形のセラミック材２の中空部に補強用芯材３が内挿されている。補強用芯材３の材料としては、軽量、高強度であるものが好ましく、アルミニウム材、薄型ステンレス材、繊維強化プラスチック材等を適宜選択することができる。 In the ceramic building material 1, as shown in FIG. 2B, a reinforcing core material 3 is inserted in a hollow portion of a ceramic material 2 having a hollow cross section and a square section. The material of the reinforcing core 3 is preferably lightweight and high-strength, and an aluminum material, a thin stainless material, a fiber reinforced plastic material, and the like can be appropriately selected.
また、セラミック材２の内壁と補強用芯材３とで形成された間隙は、飛散防止処理用の充填材４で埋められている。ここで使用する充填材の例としては、柔軟性と疎水性を有する樹脂であれば特に制限はないが、例としてシリコーン樹脂、あるいはウレタン、エポキシ、アクリル等で変性された変性シリコーン樹脂を挙げることができる。 Further, the gap formed by the inner wall of the ceramic material 2 and the reinforcing core material 3 is filled with a filler 4 for scattering prevention treatment. Examples of fillers used here are not particularly limited as long as they are flexible and hydrophobic, but examples include silicone resins or modified silicone resins modified with urethane, epoxy, acrylic, etc. Can do.
さらに、充填材４に隣接する補強用芯材３面との間には、充填材４の膨張を吸収するための膨張吸収材５が組込まれている。図２（ａ）に示すように、膨張吸収材５は、補強用芯材３の一部に取り付けられている。したがって、本発明に係るセラミック製建材は、膨張吸収材５の取り付けられた補強用芯材３をセラミック材２の中空部に内挿し、補強用芯材３とセラミック材２の中空部内壁によって形成された間隙部を充填材４で埋めることで製造することができる。ただし、この製造方法は一例であり、本発明のセラミック製建材の製造方法に限定はない。 Further, an expansion absorbing material 5 for absorbing expansion of the filler 4 is incorporated between the reinforcing core material 3 adjacent to the filler 4. As shown in FIG. 2A, the expansion absorbent material 5 is attached to a part of the reinforcing core material 3. Therefore, the ceramic building material according to the present invention is formed by inserting the reinforcing core material 3 to which the expansion absorbing material 5 is attached into the hollow portion of the ceramic material 2, and the reinforcing core material 3 and the hollow inner wall of the ceramic material 2. It can be manufactured by filling the gap formed with the filler 4. However, this manufacturing method is an example, and the manufacturing method of the ceramic building material of the present invention is not limited.
ここで使用する膨張吸収材５の例としては、ウレタンゴム、シリコンゴム等で作られたスポンジ状物であることが好ましい。また、シール状のものを用いることで、補強用芯材３への取り付けが容易となる利点がある。 As an example of the expansion absorbent material 5 used here, a sponge-like material made of urethane rubber, silicon rubber or the like is preferable. Moreover, there exists an advantage by which the attachment to the reinforcing core material 3 becomes easy by using a seal-shaped thing.
しかし、この場合でも完全に水の浸入を防ぐことはできないため徐々に水和膨張する。樹脂内に浸入した水が凍結した場合には体積膨張がさらに激しくなる。充填材４は、セラミック材２と補強用芯材３とに挟まれていて、膨張分の逃げ場がなくなりセラミック材の破壊に至る。そこで本発明は、膨張吸収材５を組込むことによって膨張分を吸収し、その結果、軽量、高強度、および充填材４の水和膨張によるセラミック材の割れ防止、の３つの機能を同時に達成している。 However, even in this case, the infiltration of water cannot be completely prevented, so that it gradually hydrates and expands. When the water that has entered the resin freezes, the volume expansion becomes more intense. The filler 4 is sandwiched between the ceramic material 2 and the reinforcing core material 3, so that there is no escape space for expansion and the ceramic material is destroyed. Therefore, the present invention absorbs the expansion by incorporating the expansion absorbent 5 and, as a result, achieves three functions simultaneously: light weight, high strength, and prevention of cracking of the ceramic material due to hydration expansion of the filler 4. ing.
図３（ａ）は本発明の他の例のセラミック製建材に使用する補強用芯材の正面図、（ｂ）は（ａ）の矢示方向からセラミック材を取り付けた状態で見た断面図断面図である。この実施例は、膨張吸収材５の長手方向の形状を変化させたものであるため、断面図（ｂ）で見る限りは先の例と変わらない。しかし図３（ａ）に示すように、膨張吸収材５を２分割して補強用芯材３に取り付けてある。このように膨張吸収材５の取り付け量を減らした場合には、先の例に比較して膨張吸収能力は低下するが、膨張吸収材５の幅が狭くなるため補強用芯材３への取り付けが容易となる利点がある。 FIG. 3A is a front view of a reinforcing core material used in a ceramic building material of another example of the present invention, and FIG. 3B is a cross-sectional view of the ceramic material attached from the direction indicated by the arrow in FIG. It is sectional drawing. In this embodiment, since the shape of the expansion absorbent material 5 in the longitudinal direction is changed, it is not different from the previous example as far as it is seen in the sectional view (b). However, as shown in FIG. 3A, the expansion absorbent 5 is divided into two parts and attached to the reinforcing core 3. In this way, when the amount of attachment of the expansion absorbent 5 is reduced, the expansion absorption capacity is reduced as compared with the previous example, but the width of the expansion absorbent 5 is narrowed so that the expansion absorbent 5 is attached to the reinforcing core 3. There is an advantage that becomes easy.
図４（ａ）は、本発明のセラミック製建材の他の例を示す断面図である。本例では、セラミック材２が断面ウイング型に形成されている。また、中空部は２箇所形成されている。セラミック材２の中空部にはそれぞれにＦＲＰ製の中空状の補強用芯材３が内挿されている。一方の補強用芯材３の斜視図を図４（ｂ）に示している。 Fig.4 (a) is sectional drawing which shows the other example of the ceramic building materials of this invention. In this example, the ceramic material 2 is formed in a cross-sectional wing shape. Two hollow portions are formed. A hollow reinforcing core material 3 made of FRP is inserted in each hollow portion of the ceramic material 2. A perspective view of one reinforcing core 3 is shown in FIG.
この実施例の特徴は、補強用芯材３上に膨張吸収材５が点在する構成としたところにある。膨張吸収材５は、補強用芯材３上に断片状に適宜配置してもよいし、補強用芯材３の長手方向にわたって線状に配置してもよい。製造の一例としては、補強用芯材３上に膨張吸収材５を取り付けた後、既に述べたとおり補強用芯材３をセラミック材２に内挿し、さらに充填材を導入することができる。上記構成によれば、膨張吸収材５は充填材４との接触面積が大きくなるため水和膨張の吸収効率が高くなる。 The feature of this embodiment is that the expansion absorbent material 5 is scattered on the reinforcing core material 3. The expansion absorbent material 5 may be appropriately arranged in a fragment shape on the reinforcing core material 3, or may be arranged linearly over the longitudinal direction of the reinforcing core material 3. As an example of manufacture, after attaching the expansion | swelling absorber 5 on the reinforcing core material 3, the reinforcing core material 3 can be inserted into the ceramic material 2 as described above, and a filler can be further introduced. According to the above configuration, since the expansion absorbent 5 has a large contact area with the filler 4, the absorption efficiency of hydration expansion is increased.
図５は、本発明のセラミック製建材の他の例を示す断面図である。この実施例の特徴は、膨張吸収材を補強用芯材の上面及び側面にのみ設けたところにある。このような構成とすることで、補強用芯材の下面とセラミック材は充填材で強固に接着され、割れた際に落下の危険性の高いセラミック材下面の補強をより確実に行うことができる。 FIG. 5 is a cross-sectional view showing another example of the ceramic building material of the present invention. The feature of this embodiment is that the expansion absorbing material is provided only on the upper surface and the side surface of the reinforcing core material. By adopting such a configuration, the lower surface of the reinforcing core material and the ceramic material are firmly bonded with the filler, and the lower surface of the ceramic material having a high risk of falling when cracked can be more reliably reinforced. .
図６は、本発明のセラミック製建材の他の例を示す断面図である。この実施例の特徴は、充填材４内に膨張吸収材５が点在する構成としたところにある。膨張吸収材としては、径が０．５〜１ｍｍ程度の発泡樹脂製の粒子等を好適に用いることができる。 FIG. 6 is a cross-sectional view showing another example of the ceramic building material of the present invention. The feature of this embodiment is that the expansion absorbent material 5 is scattered in the filler 4. As the expansion absorbent material, particles made of foamed resin having a diameter of about 0.5 to 1 mm can be suitably used.
また本発明のセラミック製建材によれば、水和による充填材の膨張だけでなく、熱による充填材の膨張であっても吸収することができ、セラミック材の割れを防止することができる。 Further, according to the ceramic building material of the present invention, not only the expansion of the filler due to hydration but also the expansion of the filler due to heat can be absorbed, and cracking of the ceramic material can be prevented.
１…セラミック製建材、２…セラミック材、３…補強用芯材、４…充填材、５…膨張吸収材、
DESCRIPTION OF SYMBOLS 1 ... Ceramic building material, 2 ... Ceramic material, 3 ... Reinforcing core material, 4 ... Filler material, 5 ... Expansion absorption material,
Claims (3)
前記中空部に内挿された補強用芯材と、
該中空部と補強用芯材との間を埋める充填材と、
前記充填材に隣接する補強用芯材面の少なくとも一部、および／または充填材自身の内部に設けられた充填材の膨張を吸収するための膨張吸収材とを備えたことを特徴とするセラミック製建材。 A ceramic material having a hollow portion;
A reinforcing core inserted in the hollow portion;
A filler filling the space between the hollow portion and the reinforcing core;
A ceramic comprising: at least a part of a reinforcing core surface adjacent to the filler, and / or an expansion absorber for absorbing expansion of the filler provided in the filler itself. Building materials.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2063232A2 (en) | 2007-11-22 | 2009-05-27 | Alps Electric Co., Ltd. | Rotary angle detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2063232A2 (en) | 2007-11-22 | 2009-05-27 | Alps Electric Co., Ltd. | Rotary angle detecting device |
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