JP2011127403A - Putty material and joint treatment method - Google Patents
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Abstract
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本発明は、例えば石膏ボード間の目地を平滑に仕上げるための上塗り用パテ材及び当該パテ材を用いた目地処理方法に関する。 The present invention relates to a topcoat putty material for finishing a joint between gypsum boards, for example, and a joint treatment method using the putty material.
建築物の壁や天井を作製するための建材として石膏ボードを用いることがある。石膏ボードを用いて壁を作製する際には、まず、多数の石膏ボードを建築物の躯体に固定し、次いで、躯体に固定した石膏ボード間に形成された目地を塞ぐように石膏ボードに目地用補強テープを貼り付ける。そして、その目地補強用テープおよび石膏ボードの表面に下塗り用パテ材を塗り付け、下塗り用パテ材によって形成された下地の表面に上塗り用パテ材を塗り付けて、目地部分の表面と石膏ボードの表面とをほぼ同一平面にする。さらに、石膏ボードおよび上塗り用パテ材の表面には、壁紙等の壁材が貼り合わされる。
目地を処理するためのパテ材としては、例えば、焼石膏および炭酸カルシウムの少なくとも一方と接着性樹脂とを含むものが用いられる（特許文献１及び２）。
Gypsum board is sometimes used as a building material for building walls and ceilings of buildings. When creating a wall using gypsum board, first fix a number of gypsum boards to the building's enclosure, and then joint the gypsum board to seal the joints formed between the gypsum boards secured to the enclosure. Adhere reinforcing tape. Then, apply the undercoat putty material to the surface of the joint reinforcement tape and the plaster board, apply the overcoat putty material to the surface of the base formed by the undercoat putty material, and the surface of the joint portion and the plaster board Make the surface almost flush. Further, wall materials such as wallpaper are bonded to the surfaces of the gypsum board and the top coat putty material.
As a putty material for treating joints, for example, a material containing at least one of calcined gypsum and calcium carbonate and an adhesive resin is used (Patent Documents 1 and 2).
ところで、上塗り用パテ材によって形成された上塗りに壁材を貼り付ける際には、水性の糊を用いることがある。また、上塗りに水性塗料を直接塗布することもある。しかし、上塗りの耐水性が低いと、水性糊や水性塗料を塗布した際に剥離して凹凸が形成されてしまうことがある。表面に凹凸が形成されると、壁材との密着性が損なわれるから、上塗りには耐水性が求められる。さらに、上塗りには壁材が貼り合わされるため、上塗り用パテ材としては、壁材に対する接着性に優れる上塗りを形成できることも求められる。
しかしながら、従来の上塗り用パテ材は、耐水性と壁材に対する接着性とを充分に両立した上塗りを形成できるものとは言えなかった。
本発明は、前記事情を鑑みてなされたものであり、耐水性と壁材に対する接着性とを充分に両立した上塗りを形成できる上塗り用パテ材、およびそのような上塗り用パテ材を用いた目地処理方法を提供することを目的とする。
By the way, when a wall material is attached to the top coat formed by the top coat putty material, an aqueous paste may be used. In addition, a water-based paint may be directly applied to the top coat. However, if the water resistance of the top coat is low, the coating may peel off and form irregularities when water-based paste or water-based paint is applied. If irregularities are formed on the surface, the adhesion to the wall material is impaired, so that the top coat is required to have water resistance. Furthermore, since a wall material is bonded to the top coat, it is also required that the top coat material having excellent adhesion to the wall material can be formed as the top coat putty material.
However, it cannot be said that the conventional top coat putty material can form a top coat that sufficiently satisfies both water resistance and adhesion to a wall material.
The present invention has been made in view of the circumstances described above, and is a top coat putty material capable of forming a top coat that sufficiently satisfies both water resistance and adhesion to a wall material, and a joint using such a top coat putty material. An object is to provide a processing method.
本発明は、以下の態様を包含する。
本発明のパテ材は、焼石膏及び炭酸カルシウムの少なくとも一方と、酢酸ビニル・バーサチック酸ビニルエステル共重合体とを含有することを特徴とする。
本発明の目地処理方法は、以下の工程を含む。
（１）請求項１に記載のパテ材に水を添加してペースト状パテ材を調製する工程
（２）前記ペースト状パテ材を凹部に充填する工程
The present invention includes the following aspects.
The putty material of the present invention is characterized by containing at least one of calcined gypsum and calcium carbonate and a vinyl acetate / versaic acid vinyl ester copolymer.
The joint processing method of the present invention includes the following steps.
(1) A step of preparing a paste-like putty material by adding water to the putty material according to claim 1 (2) A step of filling the recess with the paste-like putty material
本発明のパテ材は、耐水性と壁材に対する接着性とを充分に両立した上塗りを形成できる。
本発明の目地処理方法によれば、耐水性と壁材に対する接着性とを充分に両立した上塗りを形成できる。
The putty material of the present invention can form an overcoat that sufficiently satisfies both water resistance and adhesion to a wall material.
According to the joint treatment method of the present invention, it is possible to form an overcoat that sufficiently satisfies both water resistance and adhesion to a wall material.
（１）パテ材主成分
本発明のパテ材は、焼石膏及び炭酸カルシウムの少なくとも一方（以下、焼石膏及び炭酸カルシウムのことを、総称して「パテ材主成分」という。）と、酢酸ビニル・バーサチック酸ビニルエステル共重合体とを含有する。
(1) Putty Material Main Component The putty material of the present invention is at least one of calcined gypsum and calcium carbonate (hereinafter, calcined gypsum and calcium carbonate are collectively referred to as “putty material main component”) and vinyl acetate. -It contains a versatic acid vinyl ester copolymer.
焼石膏とは、ＣａＳＯ4 ・１／２Ｈ2 Ｏで示される、α型又はβ型の半水石膏である。この半水石膏は、水と混合すると水和硬化反応を起こして二水石膏（ＣａＳＯ4 ・２Ｈ2 Ｏ）になる。
酢酸ビニル・バーサチック酸ビニルエステル共重合体は、下記式（１）で表される共重合体である。
式（１）におけるＲ１，Ｒ２は各々Ｃ１〜６の炭化水素基である。当該炭化水素基としては、例えば、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基等である。Ｒ１とＲ２で示される炭化水素基の炭素数の合計は７である。ｐ，ｑは各々１以上の整数である。
The calcined gypsum is α-type or β-type hemihydrate gypsum represented by CaSO 4 .1 / 2H 2 O. When this hemihydrate gypsum is mixed with water, it causes a hydration hardening reaction to become dihydrate gypsum (CaSO 4 .2H 2 O).
The vinyl acetate / versaic acid vinyl ester copolymer is a copolymer represented by the following formula (1).
R 1 and R 2 in the formula (1) are each a C 1-6 hydrocarbon group. Examples of the hydrocarbon group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group. The total number of carbon atoms of the hydrocarbon group represented by R 1 and R 2 is 7. p and q are each an integer of 1 or more.
本発明のパテ材における酢酸ビニル・バーサチック酸ビニルエステル共重合体の含有量は、パテ材主成分１００質量部に対して１〜１０質量部であることが好ましく、１〜５質量部であることがより好ましい。酢酸ビニル・バーサチック酸ビニルエステル共重合体の含有量が１質量部以上、かつ、１０質量部以下であれば、耐水性と壁材に対する接着性を充分に両立した上塗りを確実に形成できる。なお、酢酸ビニル・バーサチック酸ビニルエステル共重合体の含有量が前記範囲を外れる場合には、耐水性および壁材に対する接着性のいずれかが損なわれる傾向にある。 The content of the vinyl acetate / versaic acid vinyl ester copolymer in the putty material of the present invention is preferably 1 to 10 parts by mass, and preferably 1 to 5 parts by mass with respect to 100 parts by mass of the putty material main component. Is more preferable. When the content of the vinyl acetate / versaic acid vinyl ester copolymer is 1 part by mass or more and 10 parts by mass or less, it is possible to reliably form an overcoat that sufficiently satisfies both water resistance and adhesion to a wall material. In addition, when the content of the vinyl acetate / versaic acid vinyl ester copolymer is out of the above range, either water resistance or adhesion to the wall material tends to be impaired.
（２）添加剤
本発明のパテ材は、その性能を向上させることを目的として、添加剤を添加することができる。
本発明のパテ材は、接着性樹脂を含有することが好ましい。接着性樹脂としては、例えば、ポリビニルアルコール、アクリル系樹脂、酢酸ビニル系樹脂などが挙げられる。これらの中でも、下地への接着性を高くできることから、ポリビニルアルコールが好ましい。
本発明の上塗り用パテ材における接着性樹脂の含有量は、パテ材主成分１００質量部に対して０．５〜１０質量部であることが好ましく、３〜７質量部であることがより好ましい。接着性樹脂の含有量が０．５質量部以上であれば、下地に対する充分な接着性を確保でき、１０質量部以下であれば、上塗りの耐水性をより高くできる。
(2) Additive Additives can be added to the putty material of the present invention for the purpose of improving its performance.
The putty material of the present invention preferably contains an adhesive resin. Examples of the adhesive resin include polyvinyl alcohol, acrylic resin, and vinyl acetate resin. Among these, polyvinyl alcohol is preferable because the adhesion to the base can be increased.
The content of the adhesive resin in the overcoat putty material of the present invention is preferably 0.5 to 10 parts by mass, more preferably 3 to 7 parts by mass with respect to 100 parts by mass of the putty material main component. . If the content of the adhesive resin is 0.5 parts by mass or more, sufficient adhesion to the base can be secured, and if it is 10 parts by mass or less, the water resistance of the top coat can be further increased.
また、本発明のパテ材には、増量材（例えば、タルク、珪酸マグネシウム等）、軽量化材（例えば、バーミキュライト、珪藻土、シリカバルーン、雲母粉末等）、中和剤（例えば、炭酸ナトリウム等）、消泡剤（例えば、シリコーン系油脂、鉱物油系混合物、シリカとポリエーテルの混合物等）、防かび剤、α澱粉などの他の成分を添加できる。 Further, the putty material of the present invention includes an extender (for example, talc, magnesium silicate, etc.), a lightening material (for example, vermiculite, diatomaceous earth, silica balloon, mica powder, etc.), a neutralizing agent (for example, sodium carbonate, etc.). Other components such as antifoaming agents (for example, silicone oils and fats, mineral oil mixtures, silica and polyether mixtures, etc.), fungicides, and alpha starch can be added.
（３）目地処理方法
本発明の目地処理方法は、パテ材に水を添加してペースト状パテ材を調製する工程と、前記ペースト状パテ材を凹部に充填する工程とを含む。ここで、凹部とは、石膏ボード間に形成された溝部だけでなく、ビスや釘穴等の凹部も含む。
(3) Joint treatment method The joint treatment method of the present invention includes a step of preparing a paste-like putty material by adding water to the putty material, and a step of filling the recess with the paste-like putty material. Here, the recess includes not only a groove formed between the gypsum boards but also a recess such as a screw or a nail hole.
ペースト状上塗り用パテ材を調製する際の上塗り用パテ材への水の添加量は、上塗り用パテ材１００質量部に対して５０〜１１０質量部とすればよい。水の添加量が５０質量部以上であれば、塗り付ける際の軽快性が高くなり、１１０質量部以下であれば、塗り付けの際の作業性に優れる。
パテ材を水と混和する方法は限定されず、十分に混和されればどのような方法でもよい。例えば、コテやヘラ等を用いて（手で）混ぜてもよく、ミキサーを用いて（機械で）混ぜても良い。
目地処理方法の一例としては、例えば、まず、躯体に固定した石膏ボード間に形成された目地を塞ぐように石膏ボードに目地用補強テープを貼り付け、その目地補強用テープおよび石膏ボードの表面に液状下塗り用パテ材を塗り付け、下塗り用パテ材によって形成された下地の表面にペースト状上塗り用パテ材を塗り付けて、目地の表面を平滑にする方法が挙げられる。
パテ材を塗り付ける方法としては、例えば、コテやヘラ等を用いる方法が挙げられる。
The amount of water added to the topcoat putty material when preparing the paste-like topcoat putty material may be 50 to 110 parts by mass with respect to 100 parts by mass of the topcoat putty material. If the amount of water added is 50 parts by mass or more, the lightness at the time of application becomes high, and if it is 110 parts by mass or less, the workability at the time of application is excellent.
The method of mixing the putty material with water is not limited, and any method may be used as long as it is sufficiently mixed. For example, it may be mixed using a trowel or spatula (by hand), or may be mixed using a mixer (by machine).
As an example of the joint treatment method, for example, first, a joint reinforcement tape is applied to the gypsum board so as to close the joint formed between the gypsum boards fixed to the housing, and the joint reinforcement tape and the surface of the plaster board are applied. There is a method in which a liquid undercoat putty material is applied, and a paste-like overcoat putty material is applied to the surface of the base formed by the undercoat putty material to smooth the joint surface.
Examples of the method for applying the putty material include a method using a trowel or a spatula.
本発明の目地処理方法では、上記パテ材を用いるため、耐水性と壁材に対する接着性を充分に両立した上塗りを形成できる。
本発明のパテ材は、水と練り合わせて使用され、例えば、躯体に取り付けられた石膏ボード間の目地の処理に使用される。また、コンセントボックスや配管等の穴埋め、くぎ頭部の目隠し、出隅、入隅の目地の補強、平滑化に適用することもできる。なお、本発明のパテ材は、上塗り・下塗り兼用のものであっても構わない。
In the joint treatment method of the present invention, since the putty material is used, it is possible to form an overcoat that sufficiently satisfies both water resistance and adhesion to a wall material.
The putty material of the present invention is used by kneading with water, for example, for treating joints between gypsum boards attached to a casing. It can also be applied to plugging in outlet boxes, piping, etc., blindfolding of nail heads, reinforcing corners of joints and corners, and smoothing. The putty material of the present invention may be used for both overcoating and undercoating.
以上説明した、酢酸ビニル・バーサチック酸ビニルエステル共重合体を含む本発明の上塗り用パテ材は、耐水性が高い上塗りを形成できる。そのため、得られる上塗りは、水性糊や水性塗料を塗布した際に凹凸が形成されにくく、壁材との密着性が高い。また、本発明のパテ材は、壁材に対する接着性が高い上塗りを形成できる。したがって、本発明のパテ材は、耐水性と壁材に対する接着性を充分に両立した上塗りを形成できる。 The overcoat putty material of the present invention containing the vinyl acetate / versaic acid vinyl ester copolymer described above can form a topcoat with high water resistance. Therefore, the obtained top coat is less likely to be uneven when applied with water-based glue or water-based paint, and has high adhesion to the wall material. Moreover, the putty material of the present invention can form an overcoat having high adhesion to the wall material. Therefore, the putty material of the present invention can form an overcoat that sufficiently satisfies both water resistance and adhesion to a wall material.
（製造例１〜９）
表１に示す配合で、焼石膏、炭酸カルシウム（重質炭酸カルシウム、超微粒子炭酸カルシウム）、珪酸マグネシウム粉末（クロライト粉末）、雲母粉末、シリカバルーン、ポリビニルアルコール（ＰＶＡ）、メチルヒドロキシエチルセルロース（ＭＣ）、α澱粉、及びバーサチック酸ビニルエステル（ニチゴー・モビニール社製；酢酸ビニル系共重合体１という。）又はバーサチック酸ビニルエステル（ワッカーポリマー社製；酢酸ビニル系共重合体２という。）を配合し、攪拌機で混合して、パテ材を得た。
(Production Examples 1-9)
In the formulation shown in Table 1, calcined gypsum, calcium carbonate (heavy calcium carbonate, ultrafine calcium carbonate), magnesium silicate powder (chlorite powder), mica powder, silica balloon, polyvinyl alcohol (PVA), methyl hydroxyethyl cellulose (MC ), Alpha starch, and versatic acid vinyl ester (Nichigo Movinyl, Inc .; referred to as vinyl acetate copolymer 1) or versatic acid vinyl ester (Wacker Polymer, Inc .; referred to as vinyl acetate copolymer 2). And mixed with a stirrer to obtain a putty material.
［耐水性評価］
石膏ボード面に塗布したパテ（厚さ約０．５ｍｍ）が硬化乾燥した後（２４時間後）、サンドペーパー（＃１８０）で表面をサンディングし、この上に糊付けした壁紙を貼り付け圧着した。１０分後に壁紙を手ではがし、壁紙裏面におけるパテの付着状況を観察した。また、比較試験では１０分後、２０分後、３０分後での状態を観察した。壁紙裏面にパテが付着していない面積の割合（％）を耐水性（％）として求めた。耐水性の評価結果を表１に示す。
[Water resistance evaluation]
After the putty (thickness of about 0.5 mm) applied on the gypsum board surface was cured and dried (after 24 hours), the surface was sanded with sandpaper (# 180), and the glued wallpaper was pasted and pressure bonded. Ten minutes later, the wallpaper was peeled off by hand, and the state of putty adhesion on the back of the wallpaper was observed. In the comparative test, the states after 10 minutes, 20 minutes, and 30 minutes were observed. The ratio (%) of the area where the putty did not adhere to the back of the wallpaper was determined as water resistance (%). Table 1 shows the evaluation results of water resistance.
［壁材に対する接着性評価］
石膏ボード面に塗布したパテ（厚さ約０．５ｍｍ）が硬化乾燥した後（２４時間後）、サンドペーパー（＃１８０）で表面をサンディングした。この上に糊付けした壁紙を貼り付け圧着し室内で乾燥した。２４時間後、カッターナイフで壁紙を１辺４０ｍｍの三角形に切りはがし、接着した面積の割合（％）を接着性（％）として求めた。
また、壁紙を貼り付ける代わりに、パテ塗り面に水性ペイントをローラーで塗布し室内で乾燥した。２４時間後、水性ペイント塗布面にガムテープを圧着し、手ではがし、接着性（％）を求めた。接着性の評価結果を表１に示す。
[Evaluation of adhesion to wall materials]
After the putty (thickness of about 0.5 mm) applied to the gypsum board surface was cured and dried (after 24 hours), the surface was sanded with sandpaper (# 180). The glued wallpaper was pasted on this and crimped and dried indoors. After 24 hours, the wallpaper was cut into a triangle having a side of 40 mm with a cutter knife, and the ratio (%) of the bonded area was determined as the adhesiveness (%).
Also, instead of pasting the wallpaper, water-based paint was applied to the putty-coated surface with a roller and dried indoors. After 24 hours, the adhesive tape (%) was determined by pressing a gummed tape onto the surface of the water-based paint and peeling it off by hand. The adhesive evaluation results are shown in Table 1.
［研磨作業性］
サンドペーパーでの研磨作業性を下記のように評価した。パテ材においては、研磨作業性が高いことが好ましい。
最良：５
良好：４
普通：３
やや不適：２
不適：１
[Polishing workability]
Polishing workability with sandpaper was evaluated as follows. The putty material preferably has high polishing workability.
Best: 5
Good: 4
Normal: 3
Slightly inappropriate: 2
Inappropriate: 1
焼石膏および炭酸カルシウムと、酢酸ビニル・バーサチック酸ビニルエステル共重合体とを含有する製造例２〜９のパテ材では、耐水性と壁材に対する接着性を充分に両立した上塗りを形成できた。 In the putty materials of Production Examples 2 to 9 containing calcined gypsum and calcium carbonate and vinyl acetate / versaic acid vinyl ester copolymer, it was possible to form a top coat sufficiently satisfying both water resistance and adhesion to a wall material.
Claims (2)
（１）請求項１に記載のパテ材に水を添加してペースト状パテ材を調製する工程
（２）前記ペースト状パテ材を凹部に充填する工程 A joint processing method including the following steps.
(1) A step of preparing a paste-like putty material by adding water to the putty material according to claim 1 (2) A step of filling the recess with the paste-like putty material
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012251418A (en) * | 2011-05-09 | 2012-12-20 | Yoshino Gypsum Co Ltd | Joint filler composition |
| JP2014101272A (en) * | 2013-12-24 | 2014-06-05 | Nitto Sekko Board Kk | Putty material and joint processing method |
| JP5688648B1 (en) * | 2014-05-23 | 2015-03-25 | 長田化成工業株式会社 | Corner material for building |
Citations (3)
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| JPS53106770U (en) * | 1977-09-16 | 1978-08-28 | ||
| JP2006505481A (en) * | 2002-11-08 | 2006-02-16 | ラファルジュ プラトル | Bonding mixed composition for building element and method for producing structure |
| JP2008038144A (en) * | 2006-07-11 | 2008-02-21 | Nichigo-Mowinyl Co Ltd | Reemulsifiable resin powder, aqueous emulsion and finish coating material for building produced by using the same |
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- 2009-12-21 JP JP2009289667A patent/JP2011127403A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106770U (en) * | 1977-09-16 | 1978-08-28 | ||
| JP2006505481A (en) * | 2002-11-08 | 2006-02-16 | ラファルジュ プラトル | Bonding mixed composition for building element and method for producing structure |
| JP2008038144A (en) * | 2006-07-11 | 2008-02-21 | Nichigo-Mowinyl Co Ltd | Reemulsifiable resin powder, aqueous emulsion and finish coating material for building produced by using the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012251418A (en) * | 2011-05-09 | 2012-12-20 | Yoshino Gypsum Co Ltd | Joint filler composition |
| JP2014101272A (en) * | 2013-12-24 | 2014-06-05 | Nitto Sekko Board Kk | Putty material and joint processing method |
| JP5688648B1 (en) * | 2014-05-23 | 2015-03-25 | 長田化成工業株式会社 | Corner material for building |
| JP2015221978A (en) * | 2014-05-23 | 2015-12-10 | 長田化成工業株式会社 | Building corner material |
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