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JPS6038356B2 - How to paint porous building materials - Google Patents
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JPS6038356B2 - How to paint porous building materials - Google Patents

How to paint porous building materials

Info

Publication number
JPS6038356B2
JPS6038356B2 JP5976378A JP5976378A JPS6038356B2 JP S6038356 B2 JPS6038356 B2 JP S6038356B2 JP 5976378 A JP5976378 A JP 5976378A JP 5976378 A JP5976378 A JP 5976378A JP S6038356 B2 JPS6038356 B2 JP S6038356B2
Authority
JP
Japan
Prior art keywords
sealer
film
building materials
porous building
top 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
Application number
JP5976378A
Other languages
Japanese (ja)
Other versions
JPS54150425A (en
Inventor
正実 島野
芳弘 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP5976378A priority Critical patent/JPS6038356B2/en
Publication of JPS54150425A publication Critical patent/JPS54150425A/en
Publication of JPS6038356B2 publication Critical patent/JPS6038356B2/en
Expired legal-status Critical Current

Links

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  • Aftertreatments Of Artificial And Natural Stones (AREA)

Description

【発明の詳細な説明】 本発明は多孔質建材の塗装方法に関し、珪酸カルシウム
系建材の塗装に有用な方法である。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for coating porous building materials, and is a method useful for coating calcium silicate building materials.

珪酸質を石灰質との水熱反応よって得られる珪酸カルシ
ウム製品は多孔質であり、建材として使用する場合は、
耐吸水性を付与するために、樹脂塗装を施す必要がある
。この樹脂塗装のおいては、耐凍害性を付与する見地よ
り塗艇の耐剥離強度が重要である。
Calcium silicate products obtained by hydrothermal reaction of silicic acid with calcareous material are porous, and when used as building materials,
In order to provide water absorption resistance, it is necessary to apply a resin coating. In this resin coating, peel resistance strength of the coated boat is important from the viewpoint of imparting frost damage resistance.

また、珪酸カルシウム建材には通常、石灰質の未反応成
分が残存しており、また、セメントが配合されることも
あるので、樹脂塗膜の耐アルカリ性も重要である。従来
、珪酸カルシウム板の塗装方法として、珪酸カルシウム
板の表面にアルカリシーラーを塗布し、次いで上塗り塗
料を塗布することが知られている。
In addition, since calcium silicate building materials usually contain unreacted calcareous components and may also contain cement, the alkali resistance of the resin coating is also important. Conventionally, as a method of painting a calcium silicate board, it is known to apply an alkali sealer to the surface of the calcium silicate board, and then apply a top coat.

アルカリシーラ−としては、各種のものが開発されてい
るが、代表的なものとして、粘度がフオードカップNo
.4で12〜1現砂の一液性湿気硬化性ウレタン樹脂塗
料がある。
Various types of alkaline sealers have been developed, but a typical one has a viscosity that is
.. There is a one-component moisture-curable urethane resin paint containing 4 parts and 12 parts to 1 part sand.

このシーラーは、3〜5夕/R2の条件でフローコータ
一法により珪酸カルシウム板の表面に塗布される。
This sealer is applied to the surface of the calcium silicate plate by a flow coater method under the conditions of 3 to 5 days/R2.

この塗布によれば、板表面孔の内面がシーラー模で覆わ
れる。他方、上塗り塗料としては、アクリルェマルジョ
ンが使用されている。
According to this application, the inner surface of the plate surface hole is covered with a sealer pattern. On the other hand, acrylic emulsion is used as the top coat.

しかし、このアクリルェマルジョンは、上記ウレタン系
シーラーとのなじみが悪く、アクリルェマルジョンがシ
ーラー膜ではじかれ、アクリルェマルジョンの板表面孔
への含浸が余り期待できないから、上塗りアクリル塗膜
の結着性が不充分である。
However, this acrylic emulsion has poor compatibility with the above-mentioned urethane sealer, and the acrylic emulsion is repelled by the sealer film, making it difficult to expect the acrylic emulsion to penetrate into the pores on the board surface. Adhesion is insufficient.

本発明に係る多孔質建材の塗装方法は、上塗り塗膜の結
着性の向上を可能とする方法であり、多孔質建材にウレ
タン系のアルカリシーラ−を含侵した同表面の孔内面に
シーラー膜を形成し、次いで、上塗り塗料を塗布する場
合、上記シーラー模の形成後に、シーラー並びに上塗り
塗料と相溶性のあるアクリル樹脂系の溶剤系を塗布し、
前記シーラ−膜面に溶剤液による塗料膜を形成し、該塗
料膜に溶剤が残存しているうちにアクリルェマルジョン
による上塗りを施すことを特徴とする方法である。
The coating method for porous building materials according to the present invention is a method that makes it possible to improve the binding properties of the top coat. When forming a film and then applying a top coat, after forming the sealer pattern, apply an acrylic resin solvent system that is compatible with the sealer and the top coat;
This method is characterized by forming a paint film using a solvent solution on the surface of the sealer film, and applying an overcoat using an acrylic emulsion while the solvent remains in the paint film.

以下、図面により本発明を説明する。The present invention will be explained below with reference to the drawings.

図において、1は珪酸カルシウム板である。In the figure, 1 is a calcium silicate plate.

この珪酸カルシウム板1上にはウレタン系アルカリシー
ラーをフローコーター法により塗布し、板表面孔の内面
にシーラ−膜2を形成する。ウレタン系アルカリシーラ
ーには、粘度:フオードカップNo.4が12〜16秒
に調整された一液湿気硬化型ウレタン樹脂塗料を使用し
、その塗布量は3〜5タノR2とする。
A urethane-based alkaline sealer is applied onto the calcium silicate plate 1 by a flow coater method to form a sealer film 2 on the inner surfaces of the holes on the plate surface. Urethane-based alkaline sealer has viscosity: Food Cup No. A one-component moisture-curable urethane resin paint whose temperature is adjusted to 12 to 16 seconds is used, and the coating amount is 3 to 5 Tano R2.

上記の塗布後、塗膜の完全硬化前に、樹脂例えばアクリ
ル樹脂の溶剤液(粘度はフオードカツプNo.4で12
〜16秒)を、2〜3夕/R2の条件で塗布する。
After the above application and before the coating film is completely cured, apply a solvent solution of a resin such as an acrylic resin (viscosity is 12
~16 seconds) under the conditions of 2 to 3 evenings/R2.

この樹脂溶剤液の粘度は、上記シーラー塗料よりも低粘
度であり、その良含浸性と未硬化シーラー膜との相溶性
のために、上記シーラー膜2の膜面の塗膜3が形成され
る。而るのちは、樹脂溶剤塗膜3の溶剤がある程度、残
存している期間内に通常の上塗り塗料4、例えばアクリ
ルェマルジョン(粘度はフオードカツプNo.4で30
〜5現砂)を10〜12【9/R2の条件で塗布する。
この場合、下塗り塗料膜3に存残している溶剤のために
、アクリルェマルジョンが下塗り塗料膜3によくなじみ
、アクリルェマルジョンが板表面孔によく含浸される。
上塗り後においては、鱗付けを行う。
The viscosity of this resin solvent liquid is lower than that of the sealer paint, and due to its good impregnating properties and compatibility with the uncured sealer film, a coating film 3 is formed on the surface of the sealer film 2. . Afterwards, while some amount of the solvent in the resin solvent coating film 3 remains, a normal topcoat 4, such as an acrylic emulsion (viscosity is 30
~5 present sand) is applied under the conditions of 10~12 [9/R2.
In this case, because of the solvent remaining in the undercoat paint film 3, the acrylic emulsion is well adapted to the undercoat paint film 3, and the acrylic emulsion is well impregnated into the pores on the board surface.
After topcoating, scale is applied.

このようにして塗装された塗膜においては、上塗り塗料
が板表面孔内に食い込んでいるから、上塗り塗膜の耐剥
離性は頗る大である。
In the coating film applied in this manner, the top coating material digs into the pores on the board surface, so the peeling resistance of the top coating film is extremely high.

上述した通り、本発明によれば珪酸カルシウム製等の多
孔質建材に耐剥離性に秀れた水密な皮膜を設けることが
できる。
As described above, according to the present invention, a watertight coating with excellent peeling resistance can be provided on a porous building material made of calcium silicate or the like.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明によって塗装された多孔費建材を示す説明
図である。 図において、1は多孔質建材、2はウレタン系のアルカ
リシーラー、3は下塗り塗膜、4‘ま上塗り塗膜である
The drawing is an explanatory diagram showing a porous construction material coated according to the present invention. In the figure, 1 is a porous building material, 2 is a urethane-based alkaline sealer, 3 is an undercoat film, and 4' is a top coat film.

Claims (1)

【特許請求の範囲】[Claims] 1 多孔質建材にウレタン系のアルカリシーラーを含浸
して同表面の孔内面にシーラー膜を形成し、次いで、上
塗り塗料を塗布する場合、上記シーラー漢の形成後に、
シーラー並びに上塗り塗料と相溶性のあるアクリル樹脂
系の溶剤液を塗布し、前記シーラー膜面に溶剤液による
塗料膜を形成し、該塗料膜に溶剤が残存しているうちに
アクリルエマルジヨンによる上塗りを施すことを特徴と
する多孔質建材の塗装方法。
1. When a porous building material is impregnated with a urethane-based alkaline sealer to form a sealer film on the inner surface of the pores on the same surface, and then a top coat is applied, after forming the sealer layer,
An acrylic resin solvent solution that is compatible with the sealer and top coat is applied, a paint film of the solvent is formed on the surface of the sealer film, and while the solvent remains in the paint film, a top coat of acrylic emulsion is applied. A coating method for porous building materials characterized by applying.
JP5976378A 1978-05-18 1978-05-18 How to paint porous building materials Expired JPS6038356B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5976378A JPS6038356B2 (en) 1978-05-18 1978-05-18 How to paint porous building materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5976378A JPS6038356B2 (en) 1978-05-18 1978-05-18 How to paint porous building materials

Publications (2)

Publication Number Publication Date
JPS54150425A JPS54150425A (en) 1979-11-26
JPS6038356B2 true JPS6038356B2 (en) 1985-08-31

Family

ID=13122626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5976378A Expired JPS6038356B2 (en) 1978-05-18 1978-05-18 How to paint porous building materials

Country Status (1)

Country Link
JP (1) JPS6038356B2 (en)

Also Published As

Publication number Publication date
JPS54150425A (en) 1979-11-26

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