JP4097385B2 - How to make up building materials - Google Patents
How to make up building materials Download PDFInfo
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- JP4097385B2 JP4097385B2 JP2000165250A JP2000165250A JP4097385B2 JP 4097385 B2 JP4097385 B2 JP 4097385B2 JP 2000165250 A JP2000165250 A JP 2000165250A JP 2000165250 A JP2000165250 A JP 2000165250A JP 4097385 B2 JP4097385 B2 JP 4097385B2
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- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
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- Application Of Or Painting With Fluid Materials (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Description
【０００１】
【発明の属する技術分野】
この発明は、建材の化粧方法に関し、詳しくは繊維補強セメント板などの建材表面に着色塗料により化粧する建材の化粧方法に関する。
【０００２】
【従来の技術】
繊維補強セメント製建材などの建材は、そのままであると表面が平坦で色彩も灰白色〜灰黒色の無彩色であるため意匠性に乏しい。
【０００３】
そこで、この種建材は、表面に着色塗装を施すことが良く行われ、このような塗装手段として、建材表面に着色塗装を施しさらに意匠性と塗膜耐久性を付与するためクリヤー塗装を行なうことなどが広く実施されている。
【０００４】
ところで、上記手段で化粧塗装を施す場合、クリヤー塗料だけであると塗膜強度が低く、製品の梱包、積載時に塗膜が圧壊変形したり、合紙の付着等のブロッキングを生じる等の問題があり、このような問題を解消すると同時に、塗装表面の意匠性を向上させるため、クリヤー塗料中に着色珪砂や着色雲母、着色樹脂ビーズなどを骨材として添加することが行なわれる。
【０００５】
また、この骨材添加によってクリヤー塗膜の乾燥が早まるといった福次的効果も得られ、特に骨材を添加しないクリヤー塗料で平坦面を塗装した場合に、乾燥までに塗膜にあらわれることが多い微少な気泡痕の発生もほぼ完全に防止でき、塗膜の欠陥も解消できるといった利点もある。
【０００６】
【発明が解決しようとする課題】
しかし、上記の骨材添加によるクリヤー塗装の仕上がり面は、骨材が点在するものの、天然石表面に見られるような、やや透明がかった深みのある外観とはなし難く、平坦で単調な外観としかなし得ない問題があった。
【０００７】
この発明は上記問題を解消し、クリヤー塗装による塗装面が前述した耐ブロッキング性などの利点を損なうことなく半透明性を有し、より深みのある外観とできる建材の化粧方法を開発することを課題としてなされたものである。
【０００８】
【課題を解決するための手段】
上記課題を解決するため、請求項１の建材の化粧方法は、建材表面に着色塗装を施した後に、着色塗装の表面にクリヤー塗料で塗装するのに際して、クリヤー塗料に粒子径５０〜１５０μｍの寒水石粉末を塗料１００質量部に対して５〜３０質量部の添加量で添加することを特徴とする。
請求項２の建材の化粧方法は、寒水石粉末は、外観が純白色から白色を呈し、かつ半透明性を有することを特徴とする。
請求項３の建材の化粧方法は、クリヤー塗料に着色骨材として着色雲母を添加したことを特徴とする。
【０００９】
ここに、寒水石とは、大理石の一種で天然産の結晶質石灰岩をいい、外観は純白色から緑灰色をなし、しばしば縞模様をなす。本発明ではこれらのうち純白色〜白色を呈するものが好適に使用され、さらに望ましくは半透明性を有するものが使用される。
【００１０】
従って、骨材添加にもかかわらず、塗膜の透明性が失われることがない。さらに、天然骨材であるから、粉末の添加によって塗膜の強度、耐ブロッキング性等も保たれる。
【００１１】
上記の発明において、寒水石粉末の粒子径を５０〜１５０μｍの範囲とする理由は、５０μｍより小さく粉砕処理するのは手間が掛かりすぎ高価となる反面、粉砕による透明感付与の効果はそれ以上さほど期待できず無駄となるためであり、また、１５０μｍより大きい粒子は、スプレーノズルの詰まりが発生し、塗装作業性が悪くなるためである。
【００１２】
上記範囲として、スプレー等による塗装が効率良く行なえ、かつ好適な透明感を付与出来る粒子径としては７５μｍ前後が好ましい。
【００１３】
上記発明において、寒水石粉末のクリヤー塗料に対する添加量が５質量部より少ないと、透明感付与ならびに耐ブロッキング性などの特性が得られない。また、３０質量部より多いと粉末粒子径が小さくても、塗装工程に使用するスプレーノズルに詰まりが発生し、塗装作業性が悪くなる。
【００１４】
上記発明においては、透明感を付与する寒水石粉末に着色骨材の着色雲母が混在することによって透明感が強調され、化粧効果が増強される。
【００１５】
【発明の実施例】
次にこの発明の実施例を説明する。
幅４５ｃｍ、長さ１８０ｃｍの繊維補強セメント板を用意し、その表面にアイボリー色のエナメル塗料を塗布し乾燥させた。
【００１６】
この塗装繊維補強セメント板を試供板として下記クリヤー塗料で塗装した。
実施例１
クリヤー塗料１００質量部に対し、平均粒径が７５μｍの寒水石粉末を２０質量部添加し均一混合してクリヤー塗料を調整した。
【００１７】
このクリヤー塗料を前記塗装繊維補強セメント板表面にスプレー装置により、塗布量１０ｇ／尺2、膜厚２０〜２５μｍとなるように塗装し乾燥させた。
実施例２
クリヤー塗料１００質量部に対し、平均粒径が７５μｍの寒水石粉末を２０質量部、平均粒径１００メッシュの着色雲母を１質量部添加し均一混合してクリヤー塗料を調整した。
【００１８】
このクリヤー塗料を前記塗装繊維補強セメント板表面に実施例１と同様にしてスプレー塗装し乾燥させた。
実施例３
クリヤー塗料１００質量部に対し、平均粒径が７５μｍの寒水石粉末を２０質量部、平均粒径１００メッシュの着色雲母を４質量部添加し均一混合してクリヤー塗料を調整した。
【００１９】
このクリヤー塗料を前記塗装繊維補強セメント板表面に実施例１と同様にしてスプレー塗装し乾燥させた。
実施例４
クリヤー塗料１００質量部に対し、平均粒径が７５μｍの寒水石粉末を２０質量部、着色８号珪砂１０質量部を添加し均一混合してクリヤー塗料を調整した。
【００２０】
このクリヤー塗料を前記塗装繊維補強セメント板表面に実施例１と同様にしてスプレー塗装し乾燥させた。
比較例１
クリヤー塗料１００質量部に対し、平均粒径１００メッシュの着色雲母を４質量部添加し、寒水石粉末は添加すること無く均一混合してクリヤー塗料を調整した。
【００２１】
このクリヤー塗料を前記塗装繊維補強セメント板表面に実施例１と同様にしてスプレー塗装し乾燥させた。
【００２２】
比較例２
クリヤー塗料１００質量部に対し、平均粒径が７５μｍの寒水石粉末を３５質量部添加し均一混合してクリヤー塗料を調整した。
【００２３】
このクリヤー塗料を前記塗装繊維補強セメント板表面に実施例１と同様にしてスプレー塗装した。
【００２４】
実施例１〜４および比較例１〜２の外観を目視による官能検査で評価したところ表１の結果となった。
【００２５】
表１において、外観評価の欄で「良好」とは、クリアー塗装による塗膜によって下地のアイボリー色に対し深みのある透明感が付与され、さらに着色雲母、着色珪砂を添加した場合は、これら着色骨材のクリヤー塗膜中の位置によって表層部のものははっきり見え、下層部へ行くに従って霞んで見える視覚効果によって薄いクリヤー塗膜であっても奥行きと深みが感じられたものを言う。
【００２６】
「不良」とは上記したような透明感が感じられず、平坦な奥行きのない外観しか感じられなかったものをいう。
また「塗装困難」とは、塗装中にスプレーノズルに寒水石粉末が目詰まりし、ノズル洗浄が必要となったものをいう。
【００２７】
【表１】
【００２８】
その結果、比較例１では最下段より３枚めまでの板材に合紙のブロッキングが見られ、また最下段に位置する板材のクリヤー塗膜の一部に圧壊が見られた。これに対し、実施例１〜４では、塗膜のブロッキング、圧壊共に見られなかった。
【００２９】
【発明の効果】
以上説明したように、請求項１の発明によれば、繊維補強セメント板等の建材表面に自然石に見られるような透明感のある表面化粧を容易に施すことができ、美観に優れる化粧層が安価に得られる。
【００３０】
請求項２、３の発明によれば作業効率よく塗装が可能となる。
請求項４の発明によれば、透明感のある寒水石の中に点在する着色骨材によって塗膜の透明感がさらに強調され、優れた外観の塗膜とすることができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for making a building material, and more particularly, to a method for making a building material in which a surface of a building material such as a fiber-reinforced cement board is covered with a colored paint.
[0002]
[Prior art]
Building materials such as fiber-reinforced cement building materials are poor in design because they have a flat surface and an achromatic color of grayish white to grayish black.
[0003]
Therefore, this kind of building material is often painted on the surface, and as such a coating method, colored coating is applied to the surface of the building material, and further clear coating is applied to impart designability and coating film durability. Etc. are widely implemented.
[0004]
By the way, when applying the decorative coating by the above means, the coating film strength is low when only the clear coating is used, and there are problems such as the coating film being crushed and deformed during product packaging and loading, and blocking such as adhesion of interleaf paper. In order to solve such problems and improve the design of the painted surface, colored silica sand, colored mica, colored resin beads and the like are added to the clear paint as an aggregate.
[0005]
In addition, the addition of the aggregate also provides a beneficial effect that the clear coating is dried faster, especially when the flat surface is painted with a clear coating without adding aggregate, and often appears in the coating before drying. There is also an advantage that generation of minute bubble marks can be almost completely prevented and defects of the coating film can be eliminated.
[0006]
[Problems to be solved by the invention]
However, the finished surface of the clear coating by adding the above-mentioned aggregate is not a transparent and deep appearance as seen on the surface of natural stone, although it is dotted with aggregate, and it has only a flat and monotonous appearance. There was an impossible problem.
[0007]
This invention solves the above-mentioned problems, and develops a makeup method for a building material in which a painted surface by clear coating has translucency without impairing the above-mentioned advantages such as blocking resistance, and can have a deeper appearance. It was made as an issue.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the makeup method for building material according to claim 1 is the cold water having a particle diameter of 50 to 150 μm applied to the clear coating material after the colored coating is applied to the surface of the building material. The stone powder is added in an addition amount of 5 to 30 parts by mass with respect to 100 parts by mass of the paint.
The makeup method for a building material according to claim 2 is characterized in that the cold water stone powder has an appearance of pure white to white and translucent.
The makeup method for building materials according to claim 3 is characterized in that colored mica is added as a colored aggregate to the clear paint.
[0009]
Here, cryolite is a kind of marble, a natural crystalline limestone, and the appearance is pure white to green-gray, and often has a striped pattern. In the present invention, those exhibiting pure white to white are preferably used, and more preferably those having translucency are used.
[0010]
Therefore, the transparency of the coating film is not lost despite the addition of the aggregate. Furthermore, since it is a natural aggregate, the strength of the coating film, blocking resistance, and the like are maintained by the addition of powder.
[0011]
In the above-mentioned invention, the reason why the particle size of the cryolite powder is in the range of 50 to 150 μm is that the pulverizing process is smaller than 50 μm, and it takes too much time and cost, but the effect of imparting transparency by pulverization is more than that. This is because it cannot be expected and is wasted, and particles larger than 150 μm cause clogging of the spray nozzle, resulting in poor coating workability.
[0012]
As the above range, a particle diameter of about 75 μm is preferable as a particle diameter that can be efficiently applied by spraying or the like and can impart a suitable transparency .
[0013]
In the above invention, when the amount of the cryolite powder added to the clear coating is less than 5 parts by mass, characteristics such as imparting transparency and blocking resistance cannot be obtained. On the other hand, when the amount is more than 30 parts by mass, even if the powder particle size is small, the spray nozzle used in the coating process is clogged, and the coating workability is deteriorated.
[0014]
In the said invention, a transparent feeling is emphasized and the cosmetic effect is reinforced by the colored mica of a colored aggregate being mixed in the cryogenic stone powder which gives a transparent feeling.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Next, examples of the present invention will be described.
A fiber-reinforced cement board having a width of 45 cm and a length of 180 cm was prepared, and an ivory-colored enamel paint was applied to the surface and dried.
[0016]
This coated fiber reinforced cement board was coated with the following clear paint as a sample board.
Example 1
To 100 parts by mass of the clear paint, 20 parts by mass of a cold water stone powder having an average particle size of 75 μm was added and mixed uniformly to prepare a clear paint.
[0017]
This clear paint was applied to the surface of the coated fiber reinforced cement plate with a spray device so that the coating amount was 10 g / scale 2 and the film thickness was 20 to 25 μm and dried.
Example 2
To 100 parts by mass of the clear coating, 20 parts by mass of cryogenic stone powder having an average particle size of 75 μm and 1 part by mass of colored mica having an average particle size of 100 mesh were added and mixed uniformly to prepare a clear coating.
[0018]
This clear paint was spray-coated on the surface of the coated fiber reinforced cement board in the same manner as in Example 1 and dried.
Example 3
To 100 parts by mass of the clear coating, 20 parts by mass of cryogenic powder having an average particle size of 75 μm and 4 parts by mass of colored mica having an average particle size of 100 mesh were added and mixed uniformly to prepare a clear coating.
[0019]
This clear paint was spray-coated on the surface of the coated fiber reinforced cement board in the same manner as in Example 1 and dried.
Example 4
To 100 parts by mass of the clear coating, 20 parts by mass of cryogenic stone powder having an average particle size of 75 μm and 10 parts by mass of colored No. 8 silica sand were added and mixed uniformly to prepare a clear coating.
[0020]
This clear paint was spray-coated on the surface of the coated fiber reinforced cement board in the same manner as in Example 1 and dried.
Comparative Example 1
4 parts by weight of colored mica having an average particle size of 100 mesh was added to 100 parts by weight of the clear paint, and the clear paint was prepared by uniformly mixing without adding the cryolite powder.
[0021]
This clear paint was spray-coated on the surface of the coated fiber reinforced cement board in the same manner as in Example 1 and dried.
[0022]
Comparative Example 2
A clear paint was prepared by adding 35 parts by weight of a cold water stone powder having an average particle size of 75 μm to 100 parts by weight of the clear paint and mixing them uniformly.
[0023]
This clear paint was spray-coated on the surface of the coated fiber reinforced cement board in the same manner as in Example 1 .
[0024]
When the external appearances of Examples 1 to 4 and Comparative Examples 1 and 2 were evaluated by visual sensory inspection, the results shown in Table 1 were obtained.
[0025]
In Table 1, “good” in the column of external appearance evaluation means that a deep transparent feeling is imparted to the ivory color of the base by the coating film by clear coating, and when colored mica and colored silica sand are added, these colors are added. The surface layer is clearly visible depending on the position of the aggregate in the clear coating, and the depth and depth are felt even with a thin clear coating due to the visual effect that appears blurred as you go to the lower layer.
[0026]
“Poor” means that the above-mentioned transparency is not felt and only an appearance without a flat depth is felt.
The term “difficult to paint” means that the spray nozzle clogged the spray nozzle during painting and the nozzle needs to be cleaned.
[0027]
[Table 1]
[0028]
As a result, in Comparative Example 1 , interleaving paper blocking was observed in the third to third plates, and crushing was observed in a part of the clear coating film on the lower plate. On the other hand, in Examples 1-4, neither coating film blocking nor crushing was observed.
[0029]
【The invention's effect】
As described above, according to the invention of claim 1, a makeup layer having excellent aesthetics can be easily applied to the surface of a building material such as a fiber-reinforced cement board, as can be seen in natural stone. Can be obtained at low cost.
[0030]
According to the second and third aspects of the invention, painting can be performed with high work efficiency.
According to invention of Claim 4, the transparency of a coating film is further emphasized with the colored aggregate scattered in the transparent cryolite, and it can be set as the coating film of the outstanding external appearance.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000165250A JP4097385B2 (en) | 2000-06-02 | 2000-06-02 | How to make up building materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000165250A JP4097385B2 (en) | 2000-06-02 | 2000-06-02 | How to make up building materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001348286A JP2001348286A (en) | 2001-12-18 |
| JP4097385B2 true JP4097385B2 (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000165250A Expired - Fee Related JP4097385B2 (en) | 2000-06-02 | 2000-06-02 | How to make up building materials |
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| JP (1) | JP4097385B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005004362C5 (en) | 2005-01-31 | 2009-06-10 | Elotex Ag | Tile adhesive composition with lightweight filler and process for its preparation |
| JP5210362B2 (en) * | 2009-09-24 | 2013-06-12 | 日本ペイント株式会社 | Method for adjusting film thickness of clear coating film, clear paint used therefor, and building having wall surface with adjusted film thickness of clear coating film |
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| JP2001348286A (en) | 2001-12-18 |
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