JP4169262B2 - Wallpaper construction method - Google Patents

Wallpaper construction method Download PDF

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JP4169262B2
JP4169262B2 JP2003042215A JP2003042215A JP4169262B2 JP 4169262 B2 JP4169262 B2 JP 4169262B2 JP 2003042215 A JP2003042215 A JP 2003042215A JP 2003042215 A JP2003042215 A JP 2003042215A JP 4169262 B2 JP4169262 B2 JP 4169262B2
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Prior art keywords
wallpaper
construction method
paper
combustible
binder
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JP2003042215A
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Japanese (ja)
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JP2004250981A (en
Inventor
源蔵 佐野
完志 宮木
康正 新
真司 荒崎
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ヤヨイ化学工業株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、例えばリフォームなどで内装制限が必要な際の壁紙施工法に関するものである。
【0002】
【従来の技術】
従来、壁紙を張り替える際、既存の壁紙化粧層を剥離し、壁紙裏打ち紙が残った状態で新規の壁紙を施工している。張り替えの際、当該壁紙は通常施工後5年〜10年程度経過しており、その間、壁紙、接着剤、下地基材の劣化は免れず、剥離の際、壁紙化粧層が均一に剥離できえなかったり、あるいは裏打ち紙が下地基材に完全に接着していない場合が有った。
【0003】
そのため新規の壁紙施工の際、事前に下地に不陸がある場合、パテ処理等で平滑にしたり、接着不良がある場合、裏打ち紙を予め壁紙施工前に剥離する必要が有った。
【0004】
また、張り替えの際、既存の壁紙を剥離せず、一旦下張り紙を施工し、完全に壁紙施工下地を作った後、新規の壁紙を施工する工法も開発されている(例えば、特許文献1参照)。更に、下貼り紙に揮発性物質用吸着剤を含ませてホルムアルデヒド等を低減させるものも提案されている(例えば、特許文献2参照)。
【0005】
一方、建築基準法等では、火災の際のフラッシュオーバーを防いだり、遅らせたりするために、室内の天井・壁などの内装材に不燃・準不燃の防火材料を使用するように義務づけている。これを内装制限の指定と呼ぶ。
【0006】
【特許文献1】
特開2001−115621号公報
【特許文献2】
特開2002−235417号公報
【0007】
【発明が解決しようとする課題】
しかしながら、張り替えの際、既存の壁紙を剥離せず、一旦下張り紙を施工し、完全に壁紙施工下地を作った後、新規の壁紙を施工する工法では、構造上は下地基材→既存壁紙用接着剤→既存の壁紙→下張り紙専用接着剤→下張り紙一新規壁紙用接着剤→新規壁紙の多層構造になっている。
【0008】
それぞれの材料には有機分があるため、燃焼させた際の発熱量が多く、内装制限の必要な施工現場での適用は基本的に不可能であった。
【0009】
本発明は、上記課題を解決させるためになされたものであり、その目的は張り替えの際、既存の壁紙を剥離する必要が無く、しかも新規の壁紙施工後も内装制限に適用できる壁紙施工法を得ることを目的とする。
【0010】
【課題を解決するための手段】
請求項1に記載された発明に係る壁紙施工法は、壁紙を内装壁面に貼着するに際して、不燃性下張り紙を前記内装壁面の全面または一部に予め貼着するものであり、前記不燃性下張り紙として、硝子繊維、膨張性黒鉛の何れか1つ以上、あるいは硝子繊維、膨張性黒鉛の何れか1つ以上とパルプ繊維を複合させたものを、SBRラテックス及び水溶性ビニロンの結合材で結着したシートを用いることを特微とするものである。
【0013】
請求項に記載された発明に係る壁紙施工法は、請求項に記載のSBRラテックスと水溶性ビニロンとの混合比率を80/20〜90/10wt%として用いることを特徴とするものである。
【0014】
請求項3に記載された発明に係る壁紙施工法は、請求項1又は2に記載の不燃性下貼り紙の構成成分に含まれる有機分量を60〜80g/m 、膨張性黒鉛量を60〜70g/m とすることを特徴とするものである。
【0015】
【発明の実施の形態】
本発明においては、壁紙を内装壁面に貼着するに際して、不燃性下張り紙を前記内装壁面の全面または一部に予め貼着するものであるため、新規の壁紙施工後も内装制限に適用できる壁紙施工法を得ることができる。また、リフォームの内装施工の場合でも、新たな下地壁を施工することなく、リフォーム前の既存の内装壁面上に不燃性下貼り紙を貼着することにより、通常の壁紙の貼着に沿って貼着作業を行うことができる。尚、内装制限が許されるのであれば通常の壁紙でもまた通常の澱粉系接着剤でも使用可能である。
【0016】
本発明の不燃性下貼り紙としては、不燃性繊維同士を結合材で結着させたシートや、より柔軟性を持たせるため不燃性繊維をパルプ繊維等の天然繊維と複合させて結合材で結着させて不燃性としたシートが挙げられる。具体的には、パルプ繊維、硝子繊維、膨張性黒鉛の何れか1つ以上を、合成樹脂系エマルジョン又は/及び水溶性樹脂の結合材で結着したシートが挙げられる。
【0017】
本発明での結着剤としては、不燃性繊維同士又は天然繊維と複合させた繊維同士をより強固に結着するとともに内装壁面に貼着させるために柔軟性を持たせなければならない。よって、本発明では、下貼り紙の結合材(バインダー)として、合成樹脂系エマルジョン又は/及び水溶性樹脂を用いる。
【0018】
合成樹脂系エマルジョンとしては、例えば、酢ビ型接着剤、酢ビ−アクリル共重合型接着剤、エチレン−酢ビ共重合型接着剤、酢ビ−ベオバ共重合型接着剤、水性系ウレタン型接着剤、水性系エポキシ型接着剤、アクリル型接着剤、アクリル−スチレン共重合型接着剤等が挙げられるが、より好ましくは、合成樹脂エマルジョンとしてSBRラテックスを用いる。また、水溶性樹脂としては、ポリビニルアルコール、メチルセルロース、ヒドロキシプロピルセルロース、カルボキシメチルセルロース、ポリアクリル酸ソーダ、デキストリン、α化澱粉、ポリビニルピロリドン等が挙げられるが、より具体的には、水溶性樹脂として水溶性ビニロンを用いる。
【0019】
SBRラテックスと水溶性ビニロンとは個別に用いても良いが、より好ましくはSBRラテックスと水溶性ビニロンとを混合して用いることにより、より強固な結合力が得られるとともに柔軟性を有するシートが得られる。更に好ましくは、SBRラテックスと水溶性ビニロンとの混合比率を80/20〜90/10wt%として用いる。
【0020】
内装制限においては、貼着される場所や貼着される壁紙、また、貼着に用いる接着剤によって種々の制限があるが、不燃性下貼り紙の構成成分に含まれる有機分量を60〜80g/m 、膨張性黒鉛量を60〜70g/m とすることにより、強固な貼着と不燃効果が得られる。
【0021】
【実施例】
(実施例1)
既存の壁紙面に、不燃性下張り紙を張り付け、その後、新規施工同様、通常の壁紙用接着剤にて壁紙を新規に張り付け、コーンカロリーメーターにて発熱量を測定した。なお下張り紙の構成としては、膨張性黒鉛、パルプ、無機粉体を基本べ−スにバインダーの構成成分、配合量を変化させ、それぞれ発熱量、表面強度、張り付け可能時間を測定した。なおブランク試験として、可燃性下張り紙(コアシ−ト(商品名)、ヤヨイ化学工業(株)社製)を適用した。結果を次の表1に示す。
【0022】
【表1】

Figure 0004169262
【0023】
表1に示すとおり、バインダー種類にかかわらず、有機分量が多ければ、発熱量は増大した。バインダー種類として、SBRがアクリルより有機分量が多いにもかかわらず、発熱量が低く抑えることができた。またビニロンをバインダーに加えることにより、表面強度が強くなり、貼り付け可能時間も長くキープできることがわかった。
【0024】
(実施例2)
実施例1より、バインダーをSBR/ビニロン系に固定し、膨張性黒鉛量、有機分量を変化させ、発熱量、表面強度、貼り付け可能時間を測定した。結果を次の表2に示す。
【0025】
【表2】
Figure 0004169262
【0026】
表2に示すとおり、有機分量が60〜80g/m 、膨張性黒鉛含有量が60〜70g/m が、発熱量も抑えられ、しかも壁紙施工性に優れた性能を有することがわかった。またバインダー種類としては、SBRにビニロンを配合させることにより、材料強度が向上し、しかも貼り付け可能時間も長くキープできることがわかった。
【0027】
椎定要因として、SBR樹脂の柔軟な皮膜にピニロンの直鎖状物質を加えることにより、立体強度が上がるためだと思われる。配合比率に関しては、SBR/ビニロン=80/20〜90/10が効果的であると思われる。
【0028】
【発明の効果】
本発明は以上説明した通り、目的は張り替えの際、既存の壁紙を剥離する必要が無く、しかも新規の壁紙施工後も内装制限に適用できる壁紙施工法を得ることができるという効果がある。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wallpaper construction method when interior restriction is required, for example, for renovation.
[0002]
[Prior art]
Conventionally, when replacing the wallpaper, the existing wallpaper makeup layer is peeled off and a new wallpaper is applied with the wallpaper backing paper remaining. When re-installing, the wall paper has usually been around 5 to 10 years after construction. During that time, the wallpaper, adhesive, and base material are not subject to deterioration. In some cases, the backing paper was not completely adhered to the base substrate.
[0003]
Therefore, when a new wallpaper is constructed, it is necessary to peel the backing paper in advance before constructing the wallpaper when there is unevenness in the ground in advance, smoothing by putty treatment or the like, or when there is poor adhesion.
[0004]
In addition, a method of constructing a new wallpaper after constructing an underlaying paper once and completely constructing a wallpaper construction base without peeling off the existing wallpaper at the time of replacement (for example, see Patent Document 1). ). Furthermore, there has also been proposed a method for reducing formaldehyde and the like by including an adsorbent for volatile substances in the lower adhesive paper (for example, see Patent Document 2).
[0005]
On the other hand, the Building Standards Law obliges the use of non-combustible and semi-incombustible fireproof materials for interior materials such as ceilings and walls in order to prevent or delay flashover in the event of a fire. This is called interior restriction specification.
[0006]
[Patent Document 1]
JP 2001-115621 A [Patent Document 2]
Japanese Patent Laid-Open No. 2002-235417
[Problems to be solved by the invention]
However, when re-laying, the existing wallpaper is not peeled off, but once the underlaying paper is constructed and the wallpaper construction ground is completely made, the construction method for the construction of the new wallpaper is based on the base material → existing wallpaper. Adhesive → Existing wallpaper → Adhesive for exclusive backing paper → Adhesive for new backing paper → Adhesive for new wallpaper → New wallpaper.
[0008]
Since each material has an organic component, it generates a large amount of heat when burned, and it was basically impossible to apply it at construction sites where interior restrictions were required.
[0009]
The present invention has been made to solve the above-mentioned problems, and the purpose of the present invention is to provide a wallpaper construction method that does not require peeling of existing wallpaper when re-covering, and that can be applied to interior restrictions even after new wallpaper construction. The purpose is to obtain.
[0010]
[Means for Solving the Problems]
In the wallpaper construction method according to the first aspect of the present invention, when the wallpaper is stuck on the interior wall surface, a non-flammable liner paper is pasted on the whole or a part of the interior wall surface in advance . As an underlay paper, one or more of glass fiber and expansive graphite, or a composite of pulp fiber and one or more of glass fiber and expansive graphite is combined with a binder of SBR latex and water-soluble vinylon. The feature is to use a bound sheet .
[0013]
The wallpaper construction method according to the invention described in claim 2 is characterized in that the mixing ratio of the SBR latex and the water-soluble vinylon according to claim 1 is used as 80/20 to 90/10 wt%. .
[0014]
The wallpaper construction method according to the invention described in claim 3 is such that the organic content contained in the constituent components of the incombustible lower adhesive paper according to claim 1 or 2 is 60 to 80 g / m 2 , and the amount of expandable graphite is 60 to 60. is characterized in that a 70 g / m 2.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, when the wallpaper is pasted on the interior wall surface, the non-combustible underlaying paper is pasted on the whole or a part of the interior wall surface in advance, so that the wallpaper can be applied to interior restrictions even after new wallpaper construction. A construction method can be obtained. In addition, even in the case of renovation interior construction, it is possible to apply non-combustible lower adhesive paper on the existing interior wall surface before renovation without constructing a new base wall. It is possible to perform wearing work. In addition, as long as the interior restriction is allowed, it is possible to use a normal wallpaper or a normal starch adhesive.
[0016]
The non-combustible base paper of the present invention includes a sheet in which non-combustible fibers are bound together with a binder, or a non-combustible fiber combined with natural fibers such as pulp fibers to give more flexibility and bound with a binder. Examples include non-combustible sheets. Specifically, a sheet in which any one or more of pulp fiber, glass fiber, and expandable graphite is bound with a synthetic resin emulsion or / and a water-soluble resin binder can be used.
[0017]
As a binder in the present invention, it is necessary to provide flexibility so that non-combustible fibers or fibers combined with natural fibers are more firmly bound and adhered to an interior wall surface. Therefore, in the present invention, a synthetic resin emulsion or / and a water-soluble resin are used as the binder (binder) for the under-paper.
[0018]
Synthetic resin emulsions include, for example, vinyl acetate adhesives, vinyl acetate-acrylic copolymer adhesives, ethylene vinyl acetate copolymer adhesives, vinyl acetate / veova copolymer adhesives, and aqueous urethane adhesives. Agents, aqueous epoxy adhesives, acrylic adhesives, acrylic-styrene copolymer adhesives, and the like. More preferably, SBR latex is used as the synthetic resin emulsion. Examples of the water-soluble resin include polyvinyl alcohol, methyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, sodium polyacrylate, dextrin, pregelatinized starch, and polyvinyl pyrrolidone. More specifically, water-soluble resins include water-soluble resins. Sexual vinylon is used.
[0019]
The SBR latex and the water-soluble vinylon may be used separately, but more preferably, the SBR latex and the water-soluble vinylon are mixed and used to obtain a stronger sheet and a flexible sheet. It is done. More preferably, the mixing ratio of SBR latex and water-soluble vinylon is used as 80/20 to 90/10 wt%.
[0020]
In the interior restriction, there are various restrictions depending on the place to be stuck, the wallpaper to be stuck, and the adhesive used for sticking, but the organic content contained in the constituent components of the nonflammable lower paste is 60 to 80 g / m 2, by the expandable graphite amount as 60~70g / m 2, firm sticking and incombustible effect is obtained.
[0021]
【Example】
(Example 1)
A nonflammable liner paper was pasted on the existing wallpaper surface, and then the wallpaper was newly pasted with an ordinary wallpaper adhesive, and the calorific value was measured with a cone calorimeter as in the new construction. In addition, as the composition of the underlay paper, the constituent components and blending amount of the binder were changed based on expansive graphite, pulp, and inorganic powder, and the calorific value, surface strength, and pasting time were measured. In addition, as a blank test, combustible underlay paper (Core Sheet (trade name), manufactured by Yayoi Chemical Industry Co., Ltd.) was applied. The results are shown in Table 1 below.
[0022]
[Table 1]
Figure 0004169262
[0023]
As shown in Table 1, regardless of the binder type, the amount of heat generated increased as the organic content increased. Although SBR had a larger organic content than acrylic as a binder type, the calorific value could be kept low. Further, it was found that by adding vinylon to the binder, the surface strength was increased and the pasting time could be kept longer.
[0024]
(Example 2)
From Example 1, the binder was fixed to the SBR / vinylon system, the amount of expandable graphite and the amount of organic components were changed, and the calorific value, surface strength, and pasting time were measured. The results are shown in Table 2 below.
[0025]
[Table 2]
Figure 0004169262
[0026]
As shown in Table 2, it was found that the organic content was 60 to 80 g / m 2 , the expandable graphite content was 60 to 70 g / m 2 , the calorific value was suppressed, and the wall paper workability was excellent. . As a binder type, it was found that by adding vinylon to SBR, the material strength is improved and the pasting time can be kept long.
[0027]
It is thought that the steric strength is increased by adding a pinilon linear substance to the flexible film of SBR resin as a spinal factor. Regarding the blending ratio, it seems that SBR / vinylon = 80/20 to 90/10 is effective.
[0028]
【The invention's effect】
As described above, the object of the present invention is to eliminate the need to peel off existing wallpaper when repainting, and to obtain a wallpaper construction method that can be applied to interior restriction even after new wallpaper construction.

Claims (3)

壁紙を内装壁面に貼着するに際して、不燃性下張り紙を前記内装壁面の全面または一部に予め貼着するものであり、
前記不燃性下張り紙として、硝子繊維、膨張性黒鉛の何れか1つ以上、あるいは硝子繊維、膨張性黒鉛の何れか1つ以上とパルプ繊維を複合させたものを、SBRラテックス及び水溶性ビニロンの結合材で結着したシートを用いることを特徴とする壁紙施工法。
When pasting the wallpaper on the interior wall surface, a non-combustible liner paper is pasted on the entire surface or part of the interior wall surface ,
As the non-combustible underlay paper, one or more of glass fiber and expansive graphite, or a composite of one or more of glass fiber and expansive graphite and pulp fiber is used for SBR latex and water-soluble vinylon. A wallpaper construction method characterized by using a sheet bound with a binder .
前記SBRラテックスと水溶性ビニロンとの混合比率を80/20〜90/10wt%として用いることを特徴とする請求項に記載の壁紙施工法 The wallpaper construction method according to claim 1 , wherein a mixing ratio of the SBR latex and the water-soluble vinylon is used as 80/20 to 90/10 wt% . 前記不燃性下貼り紙の構成成分に含まれる有機分量を60〜80g/m 、膨張性黒鉛量を60〜70g/m とすることを特徴とする請求項1又は2に記載の壁紙施工法。The wallpaper construction method according to claim 1 or 2 , wherein the organic content contained in the constituent components of the non-combustible base paper is 60 to 80 g / m 2 , and the amount of expandable graphite is 60 to 70 g / m 2. .
JP2003042215A 2003-02-20 2003-02-20 Wallpaper construction method Expired - Fee Related JP4169262B2 (en)

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