JP2602485B2 - Wall coating structure - Google Patents
Wall coating structureInfo
- Publication number
- JP2602485B2 JP2602485B2 JP62033147A JP3314787A JP2602485B2 JP 2602485 B2 JP2602485 B2 JP 2602485B2 JP 62033147 A JP62033147 A JP 62033147A JP 3314787 A JP3314787 A JP 3314787A JP 2602485 B2 JP2602485 B2 JP 2602485B2
- Authority
- JP
- Japan
- Prior art keywords
- coating film
- aggregate
- elastic
- base
- coat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Paints Or Removers (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、建築物の内外壁等に形成される骨材入り
塗膜に関するものである。Description: TECHNICAL FIELD The present invention relates to an aggregate-containing coating film formed on inner and outer walls of a building.
（従来の技術） 建築物の内外壁等の美感を向上させるために、これら
の壁表面に塗装を施してスタッコ調模様等の凹凸を付す
ることが従来から行なわれている。(Prior Art) In order to improve the aesthetics of the inner and outer walls of a building, it has been conventionally practiced to apply a coating to the surface of these walls to provide irregularities such as stucco patterns.
上記従来の凹凸模様の塗装方法の一例としては、特開
昭60−102979号公報に開示されたものがある。概説する
と、外壁等に下塗塗料を塗布した後、この塗料面上に寒
水石等の無機系骨材を散布し、この上から給合材を散点
状に塗布して、この結合材を上記骨材の上端の位置まで
押し延ばして凸部平坦部を形成し、最後に凸部平坦部及
びそれ以外の部分に上塗塗料を塗布して、凹凸模様の塗
膜を形成している。An example of the above-mentioned conventional method of coating a concavo-convex pattern is disclosed in Japanese Patent Application Laid-Open No. 60-102979. Briefly, after applying a primer to an outer wall or the like, an inorganic aggregate such as fluorite is sprayed on the surface of the paint, and a mixture is applied in a dotted manner from above, and the binder is coated with the above-described binder. The flattened portion is formed by extending the aggregate to the position of the upper end, and a topcoat is applied to the flattened portion and other portions to form a coating film having an uneven pattern.
（発明が解決しようとする問題点） しかしながら、上記塗膜構造で深みのある凹凸模様を
形成するためには、大量の無機系骨材が必要となり、し
かも重量が増大するという欠点があった。(Problems to be Solved by the Invention) However, in order to form a deep uneven pattern with the above-mentioned coating film structure, a large amount of inorganic aggregate is required, and the weight is increased.
又、塗膜に伸縮や振動等の力が加わった場合には、無
機系骨材のために弾性変形が困難で、塗膜、特に塗膜と
無機系骨材との界面に亀裂等の損傷を生じ易いという問
題もあった。Also, when a force such as expansion and contraction or vibration is applied to the coating film, it is difficult to elastically deform due to the inorganic aggregate, and the coating film, particularly the interface between the coating film and the inorganic aggregate, is damaged by cracks or the like. There is also a problem that is easy to occur.
（問題点を解決するための手段） この発明は上記問題点を解消するためになされたもの
で、その要旨は、弾性材料からなる下地塗膜の上に、弾
性材料からなる基礎塗膜が形成され、この基礎塗膜の上
に仕上げ塗塗膜が形成されており、上記基礎塗膜は、平
坦面を有する凸部平坦部とこの凸部平坦部間に形成され
る凹部によりスタッコ調模様をなし、仕上げ塗塗膜はこ
の基礎塗膜の凹凸に沿って形成されており、基礎塗膜の
上記凸部平坦部には弾性骨材として合成樹脂の発泡体が
複数混在していることを特徴とする壁用塗膜構造にあ
る。(Means for Solving the Problems) The present invention has been made to solve the above problems, and the gist of the present invention is that a base coating film made of an elastic material is formed on a base coating film made of an elastic material. A finish coating film is formed on the base coating film, and the base coating film has a stucco-like pattern formed by a convex flat portion having a flat surface and a concave portion formed between the convex flat portions. None, the finish coating film is formed along the unevenness of this base coating film, and the above-mentioned flat portion of the base coating film has a mixture of a plurality of synthetic resin foams as elastic aggregates. Wall coating structure.
（作用） 基礎塗膜では、凸部平坦部と凹部とからなるスタッコ
調模様が自在にかつ深みをもって形成される。さらに、
この基礎塗膜の上に仕上げ塗塗膜が施されているので、
全域にわたって良好な表面状態を維持することができ
る。(Function) In the base coating film, a stucco-like pattern composed of a convex flat portion and a concave portion is freely and deeply formed. further,
Since a finish coat is applied on this base coat,
A good surface condition can be maintained over the entire area.
基礎塗膜の骨材として、単位体積当たりの重量が無機
系材料と比べて軽い合成樹脂発泡体を用いたので、深み
のある複雑な凹凸模様を形成するため骨材を多量に使用
しても、基礎塗膜を軽量に形成することができる。As an aggregate of the base coating film, a synthetic resin foam whose weight per unit volume is lighter than that of the inorganic material is used, so even if a large amount of aggregate is used to form a deep and complicated uneven pattern In addition, the base coating film can be formed lightly.
また、骨材としての合成樹脂発泡体は無機系材料と比
べて弾性に富んでいる。したがって、基礎塗膜が伸縮あ
るいは振動した場合でも、この合成樹脂の発泡体は骨材
としてその動きに応じて弾性変形するので、基礎塗膜、
特に基礎塗膜と骨材との界面に亀裂等の損傷が生じにく
くなる。Further, the synthetic resin foam as the aggregate is rich in elasticity as compared with the inorganic material. Therefore, even if the base coating film expands or contracts or vibrates, the synthetic resin foam is elastically deformed as an aggregate as the aggregate moves.
In particular, damage such as cracks is less likely to occur at the interface between the base coating film and the aggregate.
さらに、弾性材料からなる下地塗膜と基礎塗膜により
応力分散を図ることにより、基礎塗膜の亀裂等の損傷を
防止でき、しかも、基礎塗膜の凸部平坦部に混在された
複数の発泡弾性骨材がこの基礎塗膜に生じる伸縮，振動
を有効に吸収することができ、これにより、基礎塗膜の
亀裂の発生を確実に防止することができる。Furthermore, by dispersing stress using the base coat and the base coat made of elastic material, damage such as cracks in the base coat can be prevented, and moreover, a plurality of foams mixed in the flat part of the base coat The elastic aggregate can effectively absorb the expansion, contraction, and vibration generated in the base coating film, thereby reliably preventing cracks in the base coating film.
（実施例） 以下、この発明の一実施例を図面に基づいて説明す
る。Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
図面は住宅の外壁にスタッコ調模様の塗装を施した場
合の塗膜断面を示すものである。The drawing shows a cross section of the coating film when a stucco pattern is applied to the outer wall of the house.
図中符号１は柱であって、この柱１には、硬質木片セ
メント板からなる外壁パネル2,2が両外壁パネル2,2間に
若干の隙間３（以下、目地部という）を有して配置され
ており、釘４によって固定されている。各釘４の頭部上
面と外壁パネル２の表面は面一になっている。In the figure, reference numeral 1 denotes a pillar, and in this pillar 1, an outer wall panel 2, 2 made of a hard wood chip cement board has a slight gap 3 (hereinafter referred to as a joint portion) between the outer wall panels 2, 2. And are fixed by nails 4. The upper surface of the head of each nail 4 and the surface of the outer wall panel 2 are flush.
以下、塗膜手順に従って説明する。 Hereinafter, description will be given according to the coating procedure.
初めに、釘頭処理のために、上記釘４の頭部上面及び
その周辺の外壁パネル２の表面にエポキシ系塗料を適量
塗布し乾燥させる。First, for nail head treatment, an appropriate amount of an epoxy paint is applied to the upper surface of the head of the nail 4 and the surface of the outer wall panel 2 around the nail, and then dried.
次に、外壁パネル２の全表面に塩化ビニル系塗料をロ
ーラで約0.2kg/m2塗布し、乾燥させて、下塗塗膜５を形
成する。Next, about 0.2 kg / m 2 of a vinyl chloride paint is applied to the entire surface of the outer wall panel 2 with a roller and dried to form an undercoat film 5.
この後、目地部３の上部に対応する部位及びその周辺
に上記下塗塗膜５の上からアクリルゴム系塗料をスプレ
ーで1.0〜1.1kg/m2塗布し、乾燥させて、目地部３に対
する補強層６を形成する。Thereafter, an acrylic rubber-based paint is applied to the portion corresponding to the upper portion of the joint portion 3 and the periphery thereof from above the undercoating film 5 by spraying at 1.0 to 1.1 kg / m 2 and dried to reinforce the joint portion 3. The layer 6 is formed.
次に、上記下塗塗膜５及び補強層６の上からアクリル
ゴム系塗料をスプレーで0.5〜0.7kg/m2塗布し、乾燥さ
せて、平坦な中塗塗膜７（下地塗膜）を形成する。Next, an acrylic rubber-based paint is applied by 0.5 to 0.7 kg / m 2 on the undercoating film 5 and the reinforcing layer 6 by spraying and dried to form a flat intermediate coating film 7 (base coating film). .
更に、上記中塗塗膜７の上から上塗塗料を間欠的にス
プレーで散点状に0.9〜1.1kg/m2塗布する。この上塗塗
料は、エチレンー酢酸ビニル共重合体を発泡して得られ
る粒径0.5〜2mmの発泡体（見掛け比重約0.1）からなる
弾性骨材８とアクリルゴム系塗料９とを6.2:100の重量
比で混合したものである。この上塗塗料をスプレーした
後直ちにその表面にローラをかけて、弾性骨材８の上端
より上部にあるアクリルゴム系塗料９をならして、弾性
骨材８の高さと略同一にし、凸部平坦部10を形成する。
これを乾燥させて、弾性骨材８の入っていない凹部11と
上記凸部平坦部10を有する上塗塗膜12（基礎塗膜）を形
成する。Further, a top coat is intermittently applied by spraying from 0.9 to 1.1 kg / m 2 from above the intermediate coat 7. This top coat paint is composed of a foam having a particle size of 0.5 to 2 mm obtained by foaming an ethylene-vinyl acetate copolymer (approximately 0.1 in specific gravity) and an acrylic rubber paint 9 and a weight of 6.2: 100. They are mixed in a ratio. Immediately after spraying the top coat, a roller is applied to the surface thereof to smooth the acrylic rubber-based paint 9 above the upper end of the elastic aggregate 8 so that the height of the elastic aggregate 8 is substantially the same as that of the elastic aggregate 8. The part 10 is formed.
This is dried to form an overcoating film 12 (basic coating film) having a concave portion 11 containing no elastic aggregate 8 and the above-mentioned convex portion flat portion 10.
次に、上記上塗塗膜12上に耐候性を高めるためにアク
リルゴム系塗料をスプレーで0.1〜0.2kg/m2塗布し、乾
燥させて、仕上塗塗膜13を形成する。Next, an acrylic rubber-based paint is applied by a spray of 0.1 to 0.2 kg / m 2 on the top coat 12 to enhance weather resistance, and dried to form a finish coat 13.
このようにして凹凸のあるスタッコ調模様の塗膜が形
成される。In this way, a stucco-like coating film having irregularities is formed.
上述構成において、上塗塗膜12にはエチレンー酢酸ビ
ニル共重合体の発泡体からなる弾性骨材８が混在してい
るが、この弾性骨材８は従来の無機系骨材に比べて極め
て軽量であり、弾性に非常に富んでいる。しかも、上塗
塗膜12との親和性が優れている。In the above-described structure, the top coat 12 contains the elastic aggregate 8 made of the foam of the ethylene-vinyl acetate copolymer, and the elastic aggregate 8 is extremely light in weight as compared with the conventional inorganic aggregate. Yes, very elastic. Moreover, the affinity with the top coat 12 is excellent.
したがって、深みのある凹凸模様の塗膜12を極めて軽
量に形成することができる。又、外気温度変化や湿度変
化や振動等による各外壁パネル２の伸縮等に起因して目
地部３が伸縮した場合には、各塗膜5,7,12,13が追従し
て伸縮するが、その際に、弾性骨材８もその動きに対応
して弾性変形するので、上塗塗膜12に亀裂等の損傷を生
ずることはない。Therefore, the coating film 12 having a deep uneven pattern can be formed extremely lightly. Further, when the joint portion 3 expands and contracts due to expansion and contraction of each outer wall panel 2 due to a change in outside air temperature, humidity, vibration, etc., each of the coating films 5, 7, 12, and 13 follows and expands and contracts. At this time, since the elastic aggregate 8 is also elastically deformed in response to the movement, the top coat 12 does not suffer damage such as cracks.
上記実施例による塗膜と、骨材に寒水石を用いた上塗
塗料を使用して形成した塗膜との比較試験結果を以下に
示す。尚、比較対象となる塗膜の形成に使用した上塗塗
料は、寒水石とアクリルゴム系塗料を140:100の重量比
で混合したものであり、この上塗塗料を使用した以外は
上記実施例と同一条件で塗装を行い塗膜を形成した。The results of a comparative test between the coating film according to the above-described example and a coating film formed using a topcoat using cold water stone as an aggregate are shown below. The top coat used to form the coating film to be compared was a mixture of cold water stone and an acrylic rubber-based paint at a weight ratio of 140: 100, except that this top coat was used as in the above Examples. Coating was performed under the same conditions to form a coating film.
〔試験結果 １〕 各試験片（50mm×100mm）を引張り試験機を用いて目
地部を拡大する方向へ5mm/minの速度で引張り、上塗塗
膜に亀裂が生ずるまでの伸度（以下、塗膜伸度という）
を測定した。[Test result 1] Each test piece (50 mm x 100 mm) was pulled at a speed of 5 mm / min using a tensile tester in the direction in which the joints were enlarged, and the elongation (hereinafter referred to as coating) Film elongation)
Was measured.
寒水石を骨材に用いた塗膜では5.4mmであるのに対し
て、実施例の塗膜の場合には9.7mmであり、優れた追従
性が確認された。The coating using hydrated water as an aggregate had a thickness of 5.4 mm, whereas the coating of Example had a thickness of 9.7 mm, confirming excellent followability.
〔試験結果 ２〕 各試験片をサンシャインウェザーメータで日本工業規
格のJISA1415に基づいて3000時間照射した後、上記同様
に塗膜伸度を測定した。[Test Result 2] Each test piece was irradiated with a sunshine weather meter for 3000 hours based on Japanese Industrial Standards JISA1415, and then the coating film elongation was measured in the same manner as described above.
寒水石を骨材に用いた塗膜では2.8mmであるのに対し
て、実施例の塗膜の場合には7.3mmであり、優れた耐候
性及び追従性が確認された。The thickness of the coating using hydrated water as an aggregate was 2.8 mm, whereas that of the coating of Example was 7.3 mm, confirming excellent weather resistance and followability.
この発明は上記実施例に制約されず種々の態様が可能
である。The present invention is not limited to the embodiments described above, and various modes are possible.
例えば、有機系材料からなる弾性骨材はエチレンー酢
酸ビニル共重合体の発泡体に限るものではなく、ポリウ
レタン発泡体やポリエチレン発泡体等の合成樹脂の発泡
体であってもよい。For example, the elastic aggregate made of an organic material is not limited to an ethylene-vinyl acetate copolymer foam, but may be a synthetic resin foam such as a polyurethane foam or a polyethylene foam.
尚、弾性骨材の見掛け比重としては、骨材の重量及び
弾性のバランスから0.05〜1.5の範囲が好ましく、0.08
〜1.0の範囲が更に好ましい。又、弾性骨材として合成
樹脂の発泡体を用いる場合、その発泡倍率は５〜20倍の
範囲が好ましく、10〜15倍の範囲が更に好ましい。Incidentally, the apparent specific gravity of the elastic aggregate is preferably in the range of 0.05 to 1.5 from the balance of the weight and elasticity of the aggregate, and 0.08
The range of -1.0 is more preferable. When a synthetic resin foam is used as the elastic aggregate, the expansion ratio is preferably in the range of 5 to 20 times, more preferably in the range of 10 to 15 times.
又、塗膜も弾性の優れたもの、例えば20℃の時の伸び
が120％以上の塗膜を用いるのが好ましく、250％以上の
塗膜を用いるのが更に好ましい。It is also preferable to use a coating film having excellent elasticity, for example, a coating film having an elongation at 20 ° C. of 120% or more, and more preferably a coating film of 250% or more.
又、上記実施例においては、弾性骨材を塗料と混合し
ておき、弾性骨材とともに塗料をスプレーしているが、
予め弾性骨材を単独で吹き付けた後、塗料を塗布しても
よい。In the above embodiment, the elastic aggregate is mixed with the paint, and the paint is sprayed together with the elastic aggregate.
After spraying the elastic aggregate alone in advance, the paint may be applied.
（発明の効果） 以上説明したように、この発明によれば、基礎塗膜で
は、凸部平坦部と凹部とからなるスタッコ調模様が自在
にかつ深みをもって形成される。さらに、この基礎塗膜
の上に仕上げ塗塗膜が施されているので、良好な表面状
態を維持することができる。(Effects of the Invention) As described above, according to the present invention, a stucco-like pattern composed of a convex flat portion and a concave portion is freely and deeply formed in a basic coating film. Further, since the finish coating film is applied on the basic coating film, a good surface condition can be maintained.
基礎塗膜の骨材として、単位体積当たりの重量が無機
系材料と比べて軽い合成樹脂発泡体を用いたので、深み
のある複雑な凹凸模様を形成するための骨材を多量に使
用しても、基礎塗膜を軽量に形成することができる。As an aggregate of the base coating film, a synthetic resin foam, whose weight per unit volume is lighter than that of the inorganic material, was used, so a large amount of aggregate was used to form deep and complex uneven patterns. In addition, the base coating film can be formed with a light weight.
また、合成樹脂発泡体は無機系材料と比べて弾性に富
んでいる。したがって、基礎塗膜が伸縮あるいは振動し
た場合でも、この合成樹脂の発泡体は骨材としてその動
きに応じて弾性変形するので、基礎塗膜、特に基礎塗膜
と骨材との界面に亀裂等の損傷を防止できる。The synthetic resin foam is rich in elasticity as compared with the inorganic material. Therefore, even when the base coating film expands or contracts or vibrates, the foam of this synthetic resin is elastically deformed as an aggregate as the aggregate moves, so that cracks or the like are formed at the base coating film, especially at the interface between the base coating film and the aggregate. Damage can be prevented.
さらに、弾性材料からなる下地塗膜と基礎塗膜により
応力分散を図ることにより、基礎塗膜の亀裂等の損傷を
防止でき、しかも、基礎塗膜の凸部平坦部に混在された
複数の発泡弾性骨材がこの基礎塗膜に生じる伸縮，振動
を有効に吸収することができ、これにより、基礎塗膜の
亀裂の発生を確実に防止することができる。Furthermore, by dispersing stress using the base coat and the base coat made of elastic material, damage such as cracks in the base coat can be prevented, and moreover, a plurality of foams mixed in the flat part of the base coat The elastic aggregate can effectively absorb the expansion, contraction, and vibration generated in the base coating film, thereby reliably preventing cracks in the base coating film.
図面はこの発明の一実施例の塗膜の断面を示すものであ
る。 ７……中塗塗膜（下地塗膜）、10……凸部平坦部,11…
…凹部、12……上塗塗膜（基礎塗膜）、８……弾性骨
材。The drawing shows a cross section of a coating film according to an embodiment of the present invention. 7: Middle coat (base coat), 10: Flat convex part, 11 ...
... recess, 12 ... top coat (basic coat), 8 ... elastic aggregate.
Claims (1)
料からなる基礎塗膜が形成され、この基礎塗膜の上に仕
上げ塗塗膜が形成されており、上記基礎塗膜は、平坦面
を有する凸部平坦部とこの凸部平坦部間に形成される凹
部によりスタッコ調模様をなし、仕上げ塗塗膜はこの基
礎塗膜の凹凸に沿って形成されており、基礎塗膜の上記
凸部平坦部には弾性骨材として合成樹脂の発泡体が複数
混在していることを特徴とする壁用塗膜構造。1. A base coat made of an elastic material is formed on a base coat made of an elastic material, and a finish coat is formed on the base coat. A stucco-like pattern is formed by a convex flat portion having a flat surface and a concave portion formed between the convex flat portions, and the finish coating film is formed along the unevenness of the basic coating film. A coating film for a wall, characterized in that a plurality of synthetic resin foams are mixed as elastic aggregates in the flat convex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62033147A JP2602485B2 (en) | 1987-02-18 | 1987-02-18 | Wall coating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62033147A JP2602485B2 (en) | 1987-02-18 | 1987-02-18 | Wall coating structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63201252A JPS63201252A (en) | 1988-08-19 |
| JP2602485B2 true JP2602485B2 (en) | 1997-04-23 |
Family
ID=12378467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62033147A Expired - Fee Related JP2602485B2 (en) | 1987-02-18 | 1987-02-18 | Wall coating structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2602485B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5317644A (en) * | 1976-08-02 | 1978-02-17 | Shikoku Kaken Kogyo Kk | Aqueous elastic paint |
| JPS60102979A (en) * | 1983-11-10 | 1985-06-07 | Sekisui Chem Co Ltd | Production of multilayer pattern surface |
| JPS6097799U (en) * | 1983-12-07 | 1985-07-03 | 筒中シート防水株式会社 | Anti-slip sheet flooring |
-
1987
- 1987-02-18 JP JP62033147A patent/JP2602485B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63201252A (en) | 1988-08-19 |
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