JP3814674B2 - Stone for makeup - Google Patents

Stone for makeup Download PDF

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JP3814674B2
JP3814674B2 JP2003384145A JP2003384145A JP3814674B2 JP 3814674 B2 JP3814674 B2 JP 3814674B2 JP 2003384145 A JP2003384145 A JP 2003384145A JP 2003384145 A JP2003384145 A JP 2003384145A JP 3814674 B2 JP3814674 B2 JP 3814674B2
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natural stone
stone
plate
synthetic resin
back side
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JP2005146608A (en
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桂一 世利
龍 熊本
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Fukuoka Prefectural Government
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Description

本発明は、構造物の内外壁等に使用する自然石を用いた化粧用石材に関する。 The present invention relates to a decorative stone material using natural stone used for inner and outer walls of a structure.

従来、自然石を壁等に取付ける化粧用石材は、壁等の構造物に化粧用石材の下部をピン留めして脱落を防止していた。
また、例えば、特許文献1には、下地板に多数本の突起部を上下に並列し、突起部に係合する凹部が形成された壁材を有した自然石又はタイルの壁体の施工方法が開示されている。この施工方法は、下地板の上下の突起部の間に接着剤を付着し、上側の突起部の係合片に壁材の上側凹部の係合溝を挿入し、壁材の裏面を接着剤を介して下地板に当接し、壁材の下側凹部の斜面に形成した上側面を下側の突起部の斜面に形成した上側面に当接して、壁材を下地板の上下の突起部の間に嵌め込んで接着している。
Conventionally, a stone for makeup that attaches a natural stone to a wall or the like has been prevented from falling off by pinning the lower part of the stone for makeup to a structure such as a wall.
In addition, for example, Patent Document 1 discloses a method for constructing a natural stone or tile wall body having a wall material in which a plurality of protrusions are arranged in parallel on a base plate and a recess is formed to engage with the protrusion. Is disclosed. In this construction method, an adhesive is attached between the upper and lower protrusions of the base plate, the engagement groove of the upper recess of the wall member is inserted into the engagement piece of the upper protrusion, and the back surface of the wall member is bonded to the adhesive. The upper surface formed on the inclined surface of the lower recess of the wall material is contacted with the upper surface formed on the inclined surface of the lower projection, and the wall material is It is inserted and adhered between.

また、特許文献2には、建物の壁面への裏面貼着面と、表面の化粧面とを備えた扁平な自然石からなる建物用天然石外壁材が開示されている。この建物用天然石外壁材は、方形の貼着面に複数の凹溝又は凸条が設けられ、化粧面が中央付近を凸の厚肉とすると共に凹凸を付与し、周縁部を薄肉に形成してなる構造を有し、建物の下地に対し、接着剤を介して貼着されている。 Further, Patent Document 2 discloses a building natural stone outer wall material made of a flat natural stone having a back surface affixing surface to a building wall surface and a surface decorative surface. This building natural stone outer wall material is provided with a plurality of concave grooves or ridges on a rectangular sticking surface, the decorative surface has a convex thick wall in the vicinity of the center and is provided with irregularities, and the peripheral edge portion is formed thin. It is attached to the basement of the building via an adhesive.

特開平5−125811号公報Japanese Patent Laid-Open No. 5-125811 特開2003−27708号公報JP 2003-27708 A

しかしながら、化粧用石材をピン留めして貼り付ける方法では、作業に手間がかかると共に、作業が困難であった。また、特許文献1の発明では、複雑な形状の突起部を有する下地板の形成が難しく、この下地板に合う自然石(壁材)の加工も難しい。また、下地板に壁体を接着剤を介して貼着しているが、接着剤を斑なく塗布することは難しく、また作業工程も多くなるという問題があった。 However, the method of pinning and pasting a decorative stone material takes time and effort and is difficult. Further, in the invention of Patent Document 1, it is difficult to form a base plate having a projecting portion having a complicated shape, and it is difficult to process a natural stone (wall material) that matches the base plate. Moreover, although the wall was stuck to the base plate via an adhesive, there was a problem that it was difficult to apply the adhesive without any spots and the number of work steps was increased.

更に、特許文献2の発明では、方形の貼着面に複数の凹溝又は凸条が設けられているので、接着剤の保持性が良好となっているが、接着剤を斑なく塗布することは難しいという問題があった。また、自然石と壁面は接着剤を介して貼着されており、自然石に衝撃が加わると脆性の自然石が割れる等の問題があった。 Furthermore, in the invention of Patent Document 2, since a plurality of grooves or ridges are provided on the rectangular sticking surface, the adhesive retainability is good, but the adhesive should be applied without any spots. There was a problem that was difficult. In addition, the natural stone and the wall surface are stuck through an adhesive, and there is a problem that a brittle natural stone breaks when an impact is applied to the natural stone.

本発明はかかる事情に鑑みてなされたもので、簡単に構造物へ取付けることができ、衝撃に強い化粧用石材を提供することを目的とする。 The present invention has been made in view of such circumstances, and an object thereof is to provide a decorative stone material that can be easily attached to a structure and is resistant to impact.

前記目的に沿う請求項1記載の化粧用石材は、板状に成形加工し、裏面側に合成樹脂を塗布した自然石板の裏面に、離型シート付きの両面粘着テープを設けた化粧用石材であって、
前記自然石板の裏面側には、複数本のスリットが形成され、かつ前記自然石板の裏面側に塗布した合成樹脂が凹凸1mm以下の平面状に形成され
更に、前記両面粘着テープは、基材が発泡系樹脂であって、該基材の両側に接着剤層が形成されている
Cosmetic stone according to claim 1, wherein along the object, by molding into a plate, on the rear surface of the natural stone plate with the synthetic resin is coated on the back side, in cosmetic stone provided with a double-sided adhesive tape with a release sheet There,
On the back side of the natural stone plate, a plurality of slits are formed, and the synthetic resin applied to the back side of the natural stone plate is formed in a planar shape with 1 mm or less of unevenness ,
Furthermore, the base material of the double-sided pressure-sensitive adhesive tape is a foamed resin, and an adhesive layer is formed on both sides of the base material .

請求項1記載の化粧用石材において、自然石板は、花崗岩(御影石)、玄武岩、安山岩、流紋岩、輝緑岩、閃緑岩等の火成岩、凝灰岩、砂岩等の水成岩(堆積岩)、大理石等の変成岩のいずれも使用できる。特に、脆性な砂岩、ポーラスな凝灰岩等を使用した自然石板に合成樹脂を含浸させることにより、自然石板の強度を高めることができる。 2. The decorative stone according to claim 1, wherein natural stone plates are granite (granite), basalt, andesite, rhyolite, diorite, diorite and other igneous rocks, tuff, sandstone and other hydrological rocks (sedimentary rocks), marble and the like. Any of the metamorphic rocks can be used. In particular, by impregnating a natural stone plate using brittle sandstone, porous tuff or the like with a synthetic resin, the strength of the natural stone plate can be increased.

また、自然石板の裏面側は、平面状(多少の凹凸があってもよい)に加工して、合成樹脂を塗布し易くしてもよい。自然石板への合成樹脂の塗布の方法としては、自然石板に合成樹脂をローラーや刷毛で塗布する方法、自然石板に合成樹脂をスプレー等で吹き付ける方法がある。なお、合成樹脂は、自然石板の裏面側以外の表面側(側面を含む)にも含浸又は塗布してもよく、この場合には自然石板の風化を防止することができる。 Further, the back side of the natural stone plate may be processed into a flat shape (may have some unevenness) to facilitate the application of the synthetic resin. As a method for coating a synthetic resin on the natural stone plate, a method of coating a synthetic resin with a roller or brush in natural stone plate, and a method of blowing synthetic resin by spray or the like natural stone. The synthetic resin may be impregnated or coated on the surface side (including side surfaces) other than the back side of the natural stone plate, and in this case, weathering of the natural stone plate can be prevented.

また、塗布する合成樹脂としては、エポキシ樹脂、フェノール樹脂、尿素樹脂、メラミン樹脂等の熱硬化性樹脂、ポリエチレン、ポリスチレン、ポリプロピレン、ポリ塩化ビニル等の熱可塑性樹脂が用いられる。 As the synthetic resin to be applied, a thermosetting resin such as an epoxy resin, a phenol resin, a urea resin, or a melamine resin, or a thermoplastic resin such as polyethylene, polystyrene, polypropylene, or polyvinyl chloride is used.

また、両面粘着テープは、両面テープともいわれ、アクリルフォーム(発泡体)、ウレタン樹脂、ポリエステル、不織布、塩化ビニル、ポリエチレン発泡体、布等の基材と、基材の両面に設けられるアクリル系接着剤、ゴム系接着剤等の接着剤層とを有し、更に通常、接着剤の両外側に接着剤と結合しないコーティングが施された紙(例えば、ポリラミ紙等)、布、フィルム等の離型シート(剥離紙、離型紙ともいわれる)が設けられ、離型シート付きの両面粘着テープ(自然石板に貼着する前は、両面に離型シートが付いた両面粘着テープとなっている)が構成されている。 Double-sided adhesive tapes are also called double-sided tapes, and are made of acrylic foam (foam), urethane resin, polyester, non-woven fabric, vinyl chloride, polyethylene foam, cloth, etc., and acrylic adhesive provided on both sides of the substrate. In general, it is necessary to separate paper such as polylaminated paper, cloth, film, etc., which has an adhesive layer such as an adhesive or rubber adhesive, and is coated with a coating that does not bond to the adhesive on both outer sides of the adhesive. A mold sheet (also called release paper or release paper) is provided, and a double-sided adhesive tape with a release sheet (before sticking to a natural stone board, it is a double-sided adhesive tape with a release sheet on both sides) It is configured.

裏面側に離型シートが付いた両面粘着テープの露出した表面側の接着剤層を、自然石板の合成樹脂が塗布された裏面側と接合して化粧用石材が形成される。自然石板と両面粘着テープは、合成樹脂と接着剤との接合によって、強固に接合される。
化粧用石材の構造物等の壁面への取付けは、化粧用石材の離型シートを剥がし、両面粘着テープの裏面側の接着剤層を露出させて壁面に貼着して行う。
The adhesive layer on the exposed surface side of the double-sided pressure-sensitive adhesive tape with a release sheet on the back side is joined to the back side to which a synthetic resin of natural stone plate is applied to form a cosmetic stone. The natural stone plate and the double-sided pressure-sensitive adhesive tape are firmly joined by joining the synthetic resin and the adhesive.
Attachment of the decorative stone material to the wall surface is performed by removing the release sheet of the decorative stone material and exposing the adhesive layer on the back side of the double-sided pressure-sensitive adhesive tape to adhere to the wall surface.

請求項記載の化粧用石材において、スリットは、断面形状が例えば、四角形、自然石の中心方向に縮小する三角形、自然石の中心方向に拡大する台形等であって、自然石板の裏面側の表面積を大きくすることができる。ここで、断面形状が自然石の中心方向に拡大する台形等のスリットは、スリットがカギ状となって、自然石から合成樹脂が剥離し難くなるので好ましい。また、スリットの深さは、自然石板の厚みによって異なるが、自然石板の厚みに対して20%以下が好ましい。20%を超えると自然石板の強度が弱くなる。なお、スリットの本数は、自然石板の大きさ(裏面の面積)によって異なるが、自然石板の強度を著しく低下させないように設けることが好ましい。 2. The decorative stone according to claim 1, wherein the slit has a cross-sectional shape of, for example, a quadrangle, a triangle that contracts toward the center of the natural stone, a trapezoid that expands toward the center of the natural stone, and the like. The surface area can be increased. Here, a slit such as a trapezoid whose cross-sectional shape expands in the center direction of the natural stone is preferable because the slit becomes a key shape and the synthetic resin is difficult to peel from the natural stone. Moreover, although the depth of a slit changes with thickness of a natural stone board, 20% or less is preferable with respect to the thickness of a natural stone board. If it exceeds 20%, the strength of the natural stone plate will be weakened. In addition, although the number of slits changes with the magnitude | sizes (area of a back surface) of a natural stone board, it is preferable to provide so that the intensity | strength of a natural stone board may not be reduced remarkably.

請求項記載の化粧用石材は、請求項記載の化粧用石材において、前記合成樹脂はエポキシ樹脂である。
請求項2記載の化粧用石材において、エポキシ樹脂は、エポキシ基を有し、アミン類や酸無水物等の硬化剤によって硬化する。エポキシ樹脂は、1液熱硬化型及び2液混合型があり、強さ、剛さ、耐熱性、化学的安定性、接着性に優れている。1液熱硬化型は、例えば170℃で20〜30分間保持して、合成樹脂の硬化が完了して合成樹脂層を形成し、2液混合型は、例えば、12〜24時間で合成樹脂の硬化が完了して合成樹脂層を形成する。なお、2液混合型では、反応速度を高め、5分間、又は30分間で合成樹脂層を形成するものもある。
The cosmetic stone material according to claim 2 is the cosmetic stone material according to claim 1 , wherein the synthetic resin is an epoxy resin.
The cosmetic stone material according to claim 2, wherein the epoxy resin has an epoxy group and is cured by a curing agent such as amines and acid anhydrides. Epoxy resins include a one-component thermosetting type and a two-component mixed type, and are excellent in strength, rigidity, heat resistance, chemical stability, and adhesiveness. The one-component thermosetting type is held at 170 ° C. for 20 to 30 minutes, for example, to complete the curing of the synthetic resin to form a synthetic resin layer, and the two-component mixed type is, for example, 12 to 24 hours Curing is completed to form a synthetic resin layer. In the two-component mixed type, there are some which increase the reaction rate and form the synthetic resin layer in 5 minutes or 30 minutes.

請求項1、2記載の化粧用石材において、前記両面粘着テープは、基材が厚地の発泡系樹脂であって、該基材の両側の接着剤層がアクリル系の接着剤であってもよい
基材としては、例えばアクリルフォーム、ウレタン樹脂、エポキシ樹脂、ポリエチレン、ポリスチレン、ポリ塩化ビニル、酢酸セルロース、フェノール樹脂、シリコーン樹脂、尿素樹脂、ラテックスフォームラバー、天然ゴム、合成エストラマー、エボナイト、ポリテトラフルオロエチレン等の軟質の発泡系樹脂を用いることができる。
In cosmetic stone according to claim 1, wherein the double-sided adhesive tape is a foam-based resin substrate is heavyweight, the adhesive layers on both sides of the substrate can be I adhesive der acrylic Good .
Examples of the base material include acrylic foam, urethane resin, epoxy resin, polyethylene, polystyrene, polyvinyl chloride, cellulose acetate, phenol resin, silicone resin, urea resin, latex foam rubber, natural rubber, synthetic elastomer, ebonite, and polytetrafluoro. A soft foamed resin such as ethylene can be used.

また、アクリル系接着剤としては、アクリル酸、メタクリル酸、イタコン酸、無水マレイン酸等を2価以上の多価金属(例えば、バリウム、カルシウム、亜鉛、アルミニウム)や金属酸化物等で硬化させる接着剤であり、常温で速やかに硬化し、油面接着が可能であり、また、耐溶剤性、耐熱性、耐候性に優れている。 In addition, as an acrylic adhesive, an adhesive that cures acrylic acid, methacrylic acid, itaconic acid, maleic anhydride, etc. with a divalent or higher polyvalent metal (for example, barium, calcium, zinc, aluminum) or a metal oxide. It is an agent, cures quickly at room temperature, and can be bonded to the oil surface, and has excellent solvent resistance, heat resistance, and weather resistance.

請求項記載の化粧用石材は、請求項1及び2記載の化粧用石材において、前記基材は厚みが0.2〜3mmのアクリルフォームである。
請求項記載の化粧用石材において、アクリルフォームは、弾力性、断熱性に優れている。また、アクリルフォームの厚みが0.2mm未満であると、自然石板の凹凸に対応し難くなり、また、3mmを超えると自然石板の重さに耐え難くなる。
Cosmetic stone according to claim 3, in cosmetic stone according to claim 1 and 2, wherein the base material thickness of the acrylic foam of 0.2 to 3 mm.
In the cosmetic stone according to claim 3 , the acrylic foam is excellent in elasticity and heat insulation. Moreover, when the thickness of the acrylic foam is less than 0.2 mm, it becomes difficult to cope with the unevenness of the natural stone plate, and when it exceeds 3 mm, it becomes difficult to endure the weight of the natural stone plate.

請求項記載の化粧用石材は、請求項1〜記載の化粧用石材において、前記板状に加工した自然石板は縦5〜10cm、横10〜20cm、厚み5〜15mmである。
請求項記載の化粧用石材において、自然石板の厚みが5mm未満であると、自然石板が衝撃に弱く割れ易くなり、15mmを超えると、重くなり過ぎ接着剤では化粧用石材が保持できなくなる。
The cosmetic stone according to claim 4 is the cosmetic stone according to claims 1 to 3 , wherein the natural stone plate processed into a plate shape has a length of 5 to 10 cm, a width of 10 to 20 cm, and a thickness of 5 to 15 mm.
In cosmetic stone according to claim 4, wherein the thickness of the natural stone plate is less than 5 mm, easily cracked weak impact of natural slate, exceeds 15 mm, cosmetic stone can not be retained in the heavier too adhesive.

請求項1〜4記載の化粧用石材は、板状に成形加工した自然石の裏面側に合成樹脂を塗布するので、自然石板の裏面側に凹凸があっても合成樹脂によって凹凸を均して凹凸を吸収することができる。また、化粧用石材を構造物等の壁面に取付けた際には、自然石板が割れたり、欠けても合成樹脂によって自然石板が保持されるので、自然石板が壁面から剥落するのを防止できる。また、自然石板の裏面には、離型シート付きの両面粘着テープが設けれるので、安価に化粧用石材を提供でき、離型シートを剥がすだけで、壁面に簡単に貼り付けることができる。 Since the synthetic stone is applied to the back side of the natural stone molded into a plate shape, the cosmetic stone according to any one of claims 1 to 4 can level the unevenness with the synthetic resin even if the back side of the natural stone plate is uneven. Unevenness can be absorbed. Further, when the decorative stone is attached to the wall surface of a structure or the like, the natural stone plate is held by the synthetic resin even if the natural stone plate is cracked or chipped, so that the natural stone plate can be prevented from peeling off from the wall surface. Further, on the back surface of the natural stone plate, since the release sheet with the double-sided adhesive tape is provided, et al are, can provide inexpensive decorative stones, just peeled off the release sheet can be easily affixed to the wall.

特に、自然石板の裏面側には、複数本のスリットが形成されているので、自然石板の裏面の表面積を大きくでき、合成樹脂との接合面が広くなり、自然石板と合成樹脂は強固に接合される。また、自然石板に合成樹脂を多く含ませることができ、自然石板をより強固にすることができる。
請求項記載の化粧用石材は、合成樹脂が、強さ、剛さ、耐熱性、化学的安定性、接着性に優れたエポキシ樹脂であるので、自然石板を強固にすることができる。
In particular, on the back side of the natural stone plate, since a plurality of slits are formed, can increase the surface area of the rear surface of the natural stone plate, the junction surface of the synthetic resin becomes wide, and the synthetic resin is firmly natural stone Be joined. Moreover, a natural stone board can be made to contain many synthetic resins, and a natural stone board can be strengthened more.
Cosmetic stone according to claim 2, wherein the synthetic resin, the strength, stiffness, heat resistance, chemical stability, since it is excellent epoxy resin adhesive, it is possible to strengthen the natural stone plate.

請求項記載の化粧用石材は、前記基材は厚みが0.2〜3mmのアクリルフォームであるので、弾力性、断熱性に優れた化粧用石材を製造できる。
請求項記載の化粧用石材は、板状に加工した自然石板が縦5〜10cm、横10〜20cm、厚み5〜15mmであるので、構造物の表面化粧用石板として使用し易く、最適である。
In the cosmetic stone according to claim 3 , since the base is an acrylic foam having a thickness of 0.2 to 3 mm, a cosmetic stone excellent in elasticity and heat insulation can be produced.
Since the natural stone plate processed into a plate shape has a length of 5 to 10 cm, a width of 10 to 20 cm, and a thickness of 5 to 15 mm, the decorative stone material according to claim 4 is easy to use as a surface decorative stone plate for a structure, and is optimal. is there.

続いて、添付した図面を参照しつつ、本発明を具体化した実施の形態につき説明し、本発明の理解に供する。
ここで、図1は本発明の一実施の形態に係る化粧用石材の説明図である。
Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
Here, FIG. 1 is explanatory drawing of the stone for makeup | decoration which concerns on one embodiment of this invention.

図1を参照して、本発明の一実施の形態に係る化粧用石材10について説明する。
化粧用石材10は、板状に成形加工され、裏面側に複数のスリット11が形成された自然石板12と、自然石板12の裏面側に合成樹脂の一例であるエポキシ樹脂を塗布して形成された合成樹脂層13と、合成樹脂層13の裏面側に設けられた離型シート14付きの両面粘着テープ15とを有している。なお、裏面側とは自然石板11の壁面16に貼着される(取付けられる)側のことである。以下、詳しく説明する。
With reference to FIG. 1, the stone 10 for makeup | decoration which concerns on one embodiment of this invention is demonstrated.
The decorative stone material 10 is formed by processing a natural stone plate 12 which is molded into a plate shape and has a plurality of slits 11 formed on the back surface side, and an epoxy resin which is an example of a synthetic resin on the back surface side of the natural stone plate 12. And a double-sided pressure-sensitive adhesive tape 15 with a release sheet 14 provided on the back side of the synthetic resin layer 13. In addition, a back surface side is a side stuck on the wall surface 16 of the natural stone board 11 (attached). This will be described in detail below.

自然石板12は、材質が例えばポーラスな凝灰岩であり、少なくとも裏面側が平面状で、大きさが縦5〜10cm、横10〜20cm、厚み5〜15mm(例えば、縦10cm、横20cm、厚みは最小5mmで最大15mm)に形成されている。また、自然石板12の裏面側には、所定の間隔で複数、例えば5本のスリット11が、深さが自然石板12の厚みの20%以下、つまり、1〜3mm(例えば1mm)、幅が1〜10mm(例えば5mm)に形成されている。 The natural stone plate 12 is made of, for example, porous tuff, and at least the back side is flat, and the size is 5 to 10 cm in length, 10 to 20 cm in width, and 5 to 15 mm in thickness (for example, 10 cm in length and 20 cm in width, thickness is minimum). 5 mm and a maximum of 15 mm). In addition, on the back surface side of the natural stone plate 12, a plurality of, for example, five slits 11 at predetermined intervals have a depth of 20% or less of the thickness of the natural stone plate 12, that is, 1 to 3 mm (for example, 1 mm) and a width. It is formed in 1-10 mm (for example, 5 mm).

自然石板12には、裏面側に刷毛でエポキシ樹脂を塗布した後、乾燥させて合成樹脂層13が形成されている。なお、エポキシ樹脂は、スリット11内にも塗布されるので、自然石板12とエポキシ樹脂との接触面積が広くなり、自然石板12と合成樹脂層13との接合が強くなると共に、自然石板12をより強固にすることができる。また、合成樹脂層13の両面粘着テープ15の貼着される側は、実質的に平面状(例えば、凹凸は1mm以下)であるのが好ましい。 The natural stone plate 12 has a synthetic resin layer 13 formed by applying an epoxy resin with a brush on the back side and then drying. Since the epoxy resin is also applied in the slit 11, the contact area between the natural stone plate 12 and the epoxy resin is widened, the joint between the natural stone plate 12 and the synthetic resin layer 13 is strengthened, and the natural stone plate 12 is It can be made stronger. Moreover, it is preferable that the side by which the double-sided adhesive tape 15 of the synthetic resin layer 13 is stuck is substantially planar (for example, an unevenness | corrugation is 1 mm or less).

また、自然石板12は、ポーラスな凝灰岩で作っているが、自然石板12の裏面側の細孔にエポキシ樹脂が入り込むことにより、自然石板12を強固にすることができる。なお、自然石板12の裏面側に合成樹脂を含浸させてもよい。更に、自然石板12の表面側にも合成樹脂を塗布又は含浸して、自然石板12表面の風化を防止してもよい。 The natural stone plate 12 is made of porous tuff, but the natural stone plate 12 can be strengthened by the epoxy resin entering the pores on the back side of the natural stone plate 12. It should be noted that the back side of the natural stone plate 12 may be impregnated with synthetic resin. Furthermore, the surface of the natural stone plate 12 may be coated or impregnated with synthetic resin to prevent weathering of the natural stone plate 12 surface.

離型シート14付きの両面粘着テープ15は、厚みが0.2〜3mmの発泡系樹脂、例えば厚地(例えば、2mm)のアクリルフォームの基材17を有している。基材17の表面側及び裏面側には、アクリル系の接着剤からなる接着剤層18、19が設けられている。また、接着剤層19の裏面側には、例えばポリラミ紙を有する離型シート14が設けられ、化粧用石材10が構成されている。 The double-sided pressure-sensitive adhesive tape 15 with the release sheet 14 has a foamed resin having a thickness of 0.2 to 3 mm, for example, a thick base (for example, 2 mm) acrylic foam substrate 17. Adhesive layers 18 and 19 made of an acrylic adhesive are provided on the front surface side and the back surface side of the base material 17. In addition, a release sheet 14 having, for example, polylamination paper is provided on the back side of the adhesive layer 19, and the decorative stone material 10 is configured.

基材17が2mmのアクリルフォームであるので、自然石板12の裏面側の合成樹脂層13や壁面16に、多少の凹凸(例えば、0を超え1mm未満)があっても、この凹凸を吸収して、化粧用石材10を壁面16に、取付けることができ、更に化粧用石材10が衝撃を受けても、基材17が緩衝して、自然石板12が割れるのを防ぐことができる。また、アクリル系の接着剤は、経年変化に強く長寿命を有し、化粧用石材10は壁面16から脱落し難くなる。 Since the base material 17 is an acrylic foam of 2 mm, even if the synthetic resin layer 13 or the wall surface 16 on the back side of the natural stone plate 12 has some unevenness (for example, more than 0 and less than 1 mm), the unevenness is absorbed. Thus, the decorative stone material 10 can be attached to the wall surface 16, and even if the decorative stone material 10 receives an impact, the base material 17 can be buffered and the natural stone plate 12 can be prevented from cracking. Further, acrylic adhesive has a strong long life aging cosmetic stone 10 hardly fall off from the wall 16.

次に、化粧用石材10の製造方法について説明する。
まず、凝灰岩を少なくとも裏面側が実質的に平面状(例えば、0を超え2mm以下程度の凹凸があってもよい)である板状、例えば、縦10cm、横20cm、厚みが5〜15mmに成形加工した自然石板12を作製する。ここで、自然石板12の表面側は厚みが5〜15mmの範囲であれば、凹凸があっても構わない。更に、自然石板12の裏面側に、深さが1mmで、幅が5mmのスリット11を、横方向に所定の間隔で5本形成した。
Next, the manufacturing method of the decorative stone 10 will be described.
First, tuff is formed into a plate shape having at least a substantially flat surface on the back side (for example, there may be irregularities of more than 0 and less than 2 mm), for example, 10 cm long, 20 cm wide, and 5-15 mm thick. A natural stone plate 12 is produced. Here, the surface side of the natural stone plate 12 may be uneven as long as the thickness is in the range of 5 to 15 mm. Further, five slits 11 having a depth of 1 mm and a width of 5 mm were formed on the back side of the natural stone plate 12 at predetermined intervals in the lateral direction.

次に、自然石板12の裏面側に、その表面の凹凸が1mm以下となるように、エポキシ樹脂を刷毛で塗布する。自然石板12の裏面側の凝灰岩の細孔にエポキシ樹脂が入り込むように塗布して、自然石板12の強度を高めるのが好ましい。エポキシ樹脂を塗布した後、エポキシ樹脂を硬化(乾燥)させて合成樹脂層13を形成する。 Next, an epoxy resin is applied to the back side of the natural stone plate 12 with a brush so that the unevenness of the surface is 1 mm or less. It is preferable to increase the strength of the natural stone plate 12 by applying the epoxy resin so that the epoxy resin enters the pores of the tuff on the back side of the natural stone plate 12. After the epoxy resin is applied, the synthetic resin layer 13 is formed by curing (drying) the epoxy resin.

アクリルフォームを基材17とし、基材17の両側にアクリル系の接着剤層18、19を有する両面粘着テープ15の接着剤層18に付けた離型シートを剥がし、接着剤層19には、離型シート14が付着した状態で、接着剤層18を露出させて自然石板12の裏面側の合成樹脂層13と接合して、化粧用石材10を製造した。
ここで、化粧用石材10の壁面16への取付けは、化粧用石材10の離型シート14を剥がし、接着剤層19を露出させて、接着剤層19を壁面16に貼着して行う。
The release sheet attached to the adhesive layer 18 of the double-sided pressure-sensitive adhesive tape 15 having the acrylic foam as the base material 17 and the acrylic adhesive layers 18 and 19 on both sides of the base material 17 is peeled off. With the release sheet 14 attached, the adhesive layer 18 was exposed and joined to the synthetic resin layer 13 on the back side of the natural stone plate 12 to produce the decorative stone 10.
Here, attachment of the decorative stone material 10 to the wall surface 16 is performed by peeling off the release sheet 14 of the decorative stone material 10, exposing the adhesive layer 19, and attaching the adhesive layer 19 to the wall surface 16.

本発明は、前記した実施の形態に限定されるものではなく、本発明の要旨を変更しない範囲での変更は可能であり、例えば、前記した実施の形態や変形例の一部又は全部を組み合わせて本発明の化粧用石材を構成する場合も本発明の権利範囲に含まれる。 The present invention is not limited to the above-described embodiment, and can be changed without changing the gist of the present invention. For example, a part or all of the above-described embodiment and modification examples are combined. The construction of the decorative stone material of the present invention is also included in the scope of the right of the present invention.

例えば、自然石板として、凝灰岩を使用したが、火成岩、水成岩、変成岩のいずれを使用してもよく、脆性の自然石板に合成樹脂を塗布することにより、強度を高めることができる。また、合成樹脂を刷毛によって塗布したが、ローラーでの塗布、スプレー等での吹き付けによる塗布でもよいFor example, as a natural stone, but using tuff, igneous rock, Suiseigan, may use any of metamorphic, by Rukoto be coated with synthetic resin to the natural stone plate of brittle, it is possible to increase the strength. Moreover, although synthetic resin was apply | coated with the brush, application | coating by spraying with a roller, spraying, etc. may be sufficient .

自然石板の裏面側には、断面形状が四角形の深さ1mmで幅が5mmの5本のスリットを設けたが、スリットの大きさ、幅、及び数は、自然石板の強度が著しく低下しなければどのような形状(例えば、自然石の中心方向に縮小する三角形、自然石の中心方向に拡大する台形等)でもよい
また、自然石板の裏面側に塗布する合成樹脂として、エポキシ樹脂を用いたが、フェノール樹脂、尿素樹脂、メラミン樹脂等の熱硬化性樹脂、ポリエチレン、ポリスチレン、ポリプロピレン、ポリ塩化ビニル等の熱可塑性樹脂を用いてもよい。
On the back side of the natural stone plate, five slits with a square cross section of 1 mm depth and 5 mm width were provided. However, the size, width, and number of slits must significantly reduce the strength of the natural stone plate. Any shape (for example, a triangle that reduces in the direction of the center of the natural stone, a trapezoid that increases in the direction of the center of the natural stone, etc.) may be used .
In addition, epoxy resin was used as the synthetic resin applied to the back side of natural stone plates, but thermosetting resins such as phenol resin, urea resin, and melamine resin, and thermoplastic resins such as polyethylene, polystyrene, polypropylene, and polyvinyl chloride. May be used.

また、両面粘着テープは、基材として厚地のアクリルフォームを用いたが、発泡ウレタン樹脂、エポキシ樹脂、ポリエチレン、ポリスチレン、ポリ塩化ビニル、酢酸セルロース、フェノール樹脂、シリコーン樹脂、尿素樹脂、ラテックスフォームラバー、天然ゴム、合成エストラマー、エボナイト、ポリテトラフルオロエチレン等の軟質の発泡系樹脂等でもよく、また、基材の両面側にはアクリル系の接着剤層を有しているが、ゴム系の接着剤層でもよい。 Moreover, although the double-sided adhesive tape used the thick acrylic foam as a base material, foamed urethane resin, epoxy resin, polyethylene, polystyrene, polyvinyl chloride, cellulose acetate, phenol resin, silicone resin, urea resin, latex foam rubber, Soft foamed resins such as natural rubber, synthetic elastomer, ebonite, polytetrafluoroethylene, etc. may be used, and both sides of the substrate have an acrylic adhesive layer. It may be a layer.

更に、離型シートとして、ポリラミ紙以外の接着剤と結合しないコーティングが施された紙、布、フィルム等を使用してもよい。両面粘着テープとしては、基材(例えば、アクリルフォーム)の両面に市販された両面粘着テープを貼着したものでもよい。 Furthermore, as a release sheet, paper, cloth, film or the like coated with a coating that does not bind to an adhesive other than polylaminated paper may be used. The double-sided pressure-sensitive adhesive tape may be one obtained by sticking a commercially available double-sided pressure-sensitive adhesive tape to both sides of a base material (for example, acrylic foam).

本発明の一実施の形態に係る化粧用石材の説明図である。It is explanatory drawing of the stone for makeup | decoration which concerns on one embodiment of this invention.

符号の説明Explanation of symbols

10:化粧用石材、11:スリット、12:自然石板、13:合成樹脂層、14:離型シート、15:両面粘着テープ、16:壁面、17:基材、18:接着剤層、19:接着剤層 10: Cosmetic stone, 11: Slit, 12: Natural stone plate, 13: Synthetic resin layer, 14: Release sheet, 15: Double-sided adhesive tape, 16: Wall surface, 17: Base material, 18: Adhesive layer, 19: Adhesive layer

Claims (4)

板状に成形加工し、裏面側に合成樹脂を塗布した自然石板の裏面に、離型シート付きの両面粘着テープを設けた化粧用石材であって、
前記自然石板の裏面側には、複数本のスリットが形成され、かつ前記自然石板の裏面側に塗布した合成樹脂が凹凸1mm以下の平面状に形成され
更に、前記両面粘着テープは、基材が発泡系樹脂であって、該基材の両側に接着剤層が形成されていることを特徴とする化粧用石材。
A decorative stone material provided with a double-sided adhesive tape with a release sheet on the back side of a natural stone plate molded into a plate and coated with synthetic resin on the back side ,
On the back side of the natural stone plate, a plurality of slits are formed, and the synthetic resin applied to the back side of the natural stone plate is formed in a planar shape with 1 mm or less of unevenness ,
Furthermore, the double-sided pressure-sensitive adhesive tape has a base material made of foamed resin, and an adhesive layer is formed on both sides of the base material.
請求項記載の化粧用石材において、前記合成樹脂はエポキシ樹脂であることを特徴とする化粧用石材。 The cosmetic stone according to claim 1 , wherein the synthetic resin is an epoxy resin. 請求項1及び2のいずれか1項に記載の化粧用石材において、前記基材は厚みが0.2〜3mmのアクリルフォームであることを特徴とする化粧用石材。 The decorative stone material according to any one of claims 1 and 2 , wherein the base material is an acrylic foam having a thickness of 0.2 to 3 mm. 請求項1〜のいずれか1項に記載の化粧用石材において、前記板状に加工した自然石板は縦5〜10cm、横10〜20cm、厚み5〜15mmであることを特徴とする化粧用石材。 The cosmetic stone material according to any one of claims 1 to 3 , wherein the natural stone plate processed into a plate shape has a length of 5 to 10 cm, a width of 10 to 20 cm, and a thickness of 5 to 15 mm. Stone material.
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