JP3206588B2 - Foamed wallpaper with irregularities - Google Patents
Foamed wallpaper with irregularitiesInfo
- Publication number
- JP3206588B2 JP3206588B2 JP8672199A JP8672199A JP3206588B2 JP 3206588 B2 JP3206588 B2 JP 3206588B2 JP 8672199 A JP8672199 A JP 8672199A JP 8672199 A JP8672199 A JP 8672199A JP 3206588 B2 JP3206588 B2 JP 3206588B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- wallpaper
- irregularities
- foaming
- vinyl chloride
- 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 - Lifetime
Links
Landscapes
- Laminated Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建築内装等に使用
される凹凸を有する発泡壁紙に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foamed wallpaper having irregularities used for building interiors and the like.
【０００２】[0002]
【従来の技術】従来、前記の用途に用いられる壁紙とし
ては、塩化ビニル樹脂壁紙が最も一般的であった。しか
し、塩化ビニル樹脂は火災時に人体に有毒な塩素ガスを
発生することや焼却時に発生する塩素ガスにより、酸性
雨やダイオキシン発生の要因になるとも言われており、
環境問題の観点からも塩化ビニル樹脂を使用しない壁紙
が要求されつつある。しかしながら、塩化ビニル樹脂以
外の樹脂壁紙では、壁紙に要求される適度な柔軟性、エ
ンボスのし易さ、耐薬品性、耐汚染性、耐候性、発泡に
よる量感等のバランスの取れた性質を満足するものはな
かった。2. Description of the Related Art Conventionally, as a wallpaper used for the above-mentioned applications, a vinyl chloride resin wallpaper has been most commonly used. However, it is said that vinyl chloride resin generates toxic chlorine gas in the human body at the time of fire and chlorine gas generated at the time of incineration causes acid rain and dioxin.
Wallpapers that do not use vinyl chloride resin are also being demanded from the viewpoint of environmental issues. However, resin wallpaper other than vinyl chloride resin satisfies the balance of properties such as moderate flexibility required for wallpaper, ease of embossing, chemical resistance, stain resistance, weather resistance, and bulkiness due to foaming. There was nothing to do.
【０００３】これら塩化ビニル樹脂使用の問題を解決す
る手段として、包材分野では塩化ビニル樹脂に物性の類
似した樹脂を溶融押出しする試みは既に為されている。
しかし、これらに適用されている樹脂では塩化ビニル樹
脂壁紙の持つ適度な柔軟性、エンボスのし易さ等を満足
するものではなかった。[0003] As a means for solving these problems of using vinyl chloride resin, attempts have been made in the field of packaging materials to melt-extrude a resin having similar properties to vinyl chloride resin.
However, the resins applied to these materials did not satisfy the moderate flexibility and the ease of embossing of the vinyl chloride resin wallpaper.
【０００４】[0004]
【発明が解決しようとする課題】本発明は以上のような
問題点を解決するためになされたものであり、その課題
とするところは、塩化ビニル樹脂以外の材料を使用して
塩化ビニル樹脂壁紙の持つ特性と同等もしくはそれ以上
の性質を有する壁紙を提供するものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to use a vinyl chloride resin wallpaper using a material other than the vinyl chloride resin. The present invention provides a wallpaper having properties equal to or higher than the properties of the wallpaper.
【０００５】[0005]
【課題を解決するための手段】前記の問題を解決するた
め、本発明は基材上に積層した、オレフィン系熱可塑性
エラストマー、エチレン−アクリル酸共重合体樹脂、ポ
リブテンから選ばれるオレフィン系樹脂に着色剤、酸化
防止剤、紫外線吸収剤、発泡剤を混合した樹脂からなる
層に、発泡と凹凸を施してなることを特徴とする凹凸を
有する発泡壁紙を提供するものである。In order to solve the above problems, the present invention provides an olefin-based thermoplastic laminated on a substrate .
Elastomer, ethylene-acrylic acid copolymer resin,
Provided is a foamed wallpaper having irregularities, characterized by applying foaming and irregularities to a layer made of a resin obtained by mixing a colorant, an antioxidant, an ultraviolet absorber, and a foaming agent with an olefin resin selected from ribene. Things.
【０００６】[0006]
【発明の実施の形態】以下図面に従って詳細に説明す
る。図１に本発明に係る凹凸を有する発泡壁紙１０の断
面の構造を示す。基材１としては、壁紙用裏打紙であっ
て、通常壁紙に使用されているものであれば特に規定さ
れるものではない。またオレフィン系樹脂の密着力を増
すためにあらかじめアンカーコート剤等を塗工しておく
ことも可能である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 shows a cross-sectional structure of a foamed wallpaper 10 having irregularities according to the present invention. The substrate 1 is not specifically defined as long as it is a backing paper for wallpaper and is usually used for wallpaper. It is also possible to apply an anchor coat agent or the like in advance to increase the adhesion of the olefin resin.
【０００７】基材１上に積層される樹脂層２としては、
その主な構成素材として、オレフィン系樹脂、特にオレ
フィン系熱可塑性エラストマー、エチレン−アクリル酸
共重合体樹脂、ポリブテンから選ばれるオレフィン系樹
脂を用いる。ここでオレフィン系樹脂に規定したのはオ
レフィン系樹脂の耐汚染性、耐溶剤性、耐薬品性等が塩
化ビニル樹脂シート以上に優れており、また壁紙に要求
される柔軟性、低温での加工性等が優れたものであるか
らである。[0007] As the resin layer 2 laminated on the substrate 1,
Its main constituent materials are olefin resins, especially
Fin-based thermoplastic elastomer, ethylene-acrylic acid
Olefin-based tree selected from copolymer resin and polybutene
Use fat. The definition of olefin resin here is that the olefin resin is superior to the vinyl chloride resin sheet in terms of stain resistance, solvent resistance, chemical resistance, etc., as well as the flexibility required for wallpaper and processing at low temperatures. This is because the properties and the like are excellent.
【０００８】上記、オレフィン系樹脂に以下の添加剤を
混合する。添加剤としては通常のオレフィン樹脂の溶融
押出に使用されているものであれば特に規定されるもの
ではない。例えば着色剤はアゾレーキ系、キナクリドン
系、フタロシアニン系等の有機顔料もしくは酸化チタ
ン、クロムチタン、ベンガラ等の無機顔料を要求される
色になるように任意に混合して使用すれば良い。またこ
の時充填材として酸化チタン、アルミナ、炭酸カルシウ
ム等の無機物を添加することも可能である。[0008] The following additives are mixed with the olefin resin. The additives are not particularly limited as long as they are used for melt extrusion of ordinary olefin resins. For example, the colorant may be an azo lake-based, quinacridone-based, phthalocyanine-based organic pigment, or an inorganic pigment such as titanium oxide, chromium titanium, and red iron oxide, and may be arbitrarily mixed and used so as to have a required color. At this time, it is also possible to add an inorganic substance such as titanium oxide, alumina or calcium carbonate as a filler.
【０００９】酸化防止剤は、得られる壁紙の耐候性を向
上させるために添加する。例えば、フェノール系、リン
系、ヒンダードフェノール系等が良い。The antioxidant is added to improve the weather resistance of the obtained wallpaper. For example, phenol-based, phosphorus-based, hindered phenol-based and the like are preferable.
【００１０】紫外線吸収剤は、得られる壁紙の耐候性を
向上させるために添加する。例えば、ベンゾフェノン
系、ベンゾトリアゾール系等が良い。[0010] The ultraviolet absorber is added to improve the weather resistance of the obtained wallpaper. For example, benzophenone type, benzotriazole type and the like are preferable.
【００１１】発泡剤は、壁紙に量感を付与させる意味で
添加する。通常使用されている発泡剤の使用が可能であ
るが、アゾ系、ヒドラジッド系、ニトロソ系等が良い。[0011] The foaming agent is added to give a sense of volume to the wallpaper. Although a commonly used blowing agent can be used, an azo type, a hydrazide type, a nitroso type or the like is preferable.
【００１２】本発明の凹凸を有する発泡壁紙の製造方法
としては、以下の二通りの方法のいずれかが特に推奨さ
れる。その第一は、基材上に、オレフィン系樹脂に着色
剤、酸化防止剤、紫外線吸収剤、発泡剤を混合した樹脂
を溶融押出すると同時に加熱発泡させ、凹凸ロールにて
凹凸を施した後、冷却固化する方法である。またその第
二は、基材上に、オレフィン系樹脂に着色剤、酸化防止
剤、紫外線吸収剤、発泡剤を混合した樹脂を発泡剤の分
解温度以下で溶融押出し、凹凸ロールにて凹凸を施した
後、加熱発泡させる方法である。One of the following two methods is particularly recommended as a method for producing the foamed wallpaper having irregularities of the present invention. First, on a base material, a resin obtained by mixing a colorant, an antioxidant, an ultraviolet absorber, and a foaming agent with an olefin-based resin is melt-extruded and simultaneously heated and foamed, and then subjected to irregularities with an irregular roll, This is a method of cooling and solidifying. Secondly, a resin obtained by mixing a colorant, an antioxidant, an ultraviolet absorber, and a foaming agent with an olefin resin is melt-extruded at a temperature not higher than the decomposition temperature of the foaming agent, and irregularities are formed on a substrate with a textured roll. And then heat-foaming.
【００１３】以下、上記のそれぞれの製造方法につい
て、図面に基づき詳細に述べる。図２に、上記第一の場
合の工程を示す。溶融押出時の樹脂温度は樹脂により異
なるが、樹脂を押出機６の出口で発泡させる７場合は、
添加される発泡剤の分解温度に到達している必要があ
る。この、発泡して溶融押出された樹脂を、凹凸の施さ
れた冷却ロール８により、凹凸付与と基材１との積層を
同時に行う。Hereinafter, the respective manufacturing methods will be described in detail with reference to the drawings. FIG. 2 shows the steps in the first case. The resin temperature at the time of melt extrusion differs depending on the resin, but when the resin is foamed at the outlet of the extruder 6,
The decomposition temperature of the blowing agent to be added must be reached. The foamed and melt-extruded resin is simultaneously subjected to the provision of the unevenness and the lamination of the base material 1 by the cooling roll 8 having the unevenness.
【００１４】図３に、上記第二の場合の工程を示す。溶
融押出の温度を発泡剤の分解温度以下で行うことで、発
泡せずに溶融押出された樹脂７を、前記の場合と同様、
凹凸の施された冷却ロール８により、凹凸付与と基材１
との積層を同時に行う。その後これを加熱炉１２で加熱
発泡させる。FIG. 3 shows the steps in the second case. By performing the temperature of the melt extrusion below the decomposition temperature of the foaming agent, the resin 7 melt-extruded without foaming is formed in the same manner as described above.
The unevenness is applied to the base material 1 by the cooling roll 8 having the unevenness.
At the same time. Thereafter, this is heated and foamed in the heating furnace 12.
【００１５】以上のような方法により、塩化ビニル樹脂
壁紙等で行われている型押しのような機械的に凹凸を付
与しているのではなく、溶融している樹脂を型に入れて
いる方法なので、任意の凹凸付与が可能で、例えばホロ
グラムに用いられているような非常に微細な凹凸も入
り、凹凸付与後の加熱による凹凸変形のない、いわゆる
エンボス耐熱性にも優れたものが得られる。According to the above-mentioned method, a method in which a molten resin is put into a mold instead of mechanically imparting unevenness as in the case of embossing performed with a vinyl chloride resin wallpaper or the like. Therefore, it is possible to impart any irregularities, for example, very fine irregularities such as those used in holograms are included, and there is no irregularity deformation due to heating after applying irregularities, so that what is called excellent in emboss heat resistance is obtained. .
【００１６】また、例えばジクミロパーオキサイド、ポ
リスルホンアミド等の化学架橋剤を溶融押出を行う樹脂
に混合して押出した後、発泡剤分解温度以下で加熱する
ことにより、樹脂表面を化学的に架橋することにより、
さらには押出された樹脂表面を加熱発泡する前に電子線
で架橋することにより、均一で高倍率の発泡状態を得る
ということも可能となる。[0016] Further, after a chemical cross-linking agent such as dicumyl peroxide or polysulfonamide is mixed with a resin to be melt-extruded and extruded, the resin surface is chemically cross-linked by heating at a temperature lower than a foaming agent decomposition temperature. By doing
Further, by crosslinking the extruded resin surface with an electron beam before heating and foaming, it is possible to obtain a uniform and high-magnification foaming state.
【００１７】[0017]
【作用】以上に示したように、基材上に積層した、オレ
フィン系樹脂に着色剤、酸化防止剤、紫外線吸収剤、発
泡剤を混合した樹脂からなる層に、発泡と凹凸を施して
なることにより、塩化ビニル樹脂を使用せず、なおかつ
適度な柔軟性、エンボスの施し易さ、耐薬品性、耐汚染
性、耐候性、発泡による量感等のバランスの取れた性質
を有する壁紙が可能となる。As described above, foaming and unevenness are applied to a layer of an olefin resin mixed with a coloring agent, an antioxidant, an ultraviolet absorber, and a foaming agent, which is laminated on the base material. This makes it possible to use wallpaper that does not use vinyl chloride resin, and that has a balance of properties such as moderate flexibility, ease of embossing, chemical resistance, stain resistance, weather resistance, and bulkiness due to foaming. Become.
【００１８】[0018]
【実施例】基材として８０ｇ／ｍ2の壁紙用裏打紙を用
い、この上に酸化チタン、チタンイエロー、酸化鉄、カ
ーボンブラック等からなる着色剤を５重量部、ヒンダー
ドフェノール系酸化防止剤（城北化学工業（株）製：
「ＪＸ−１」）０．３重量部、ベンゾトリアゾール系紫
外線吸収剤（城北化学工業（株）製：「ＪＦ−７９」）
０．５重量部、アゾジカルボアマイド系発泡剤（永和化
成工業（株）製：「ビニホール」）８．０重量部をオレ
フィン系熱可塑性エラストマー（日本石油化学（株）
製：「ソフトレックス」）１００重量部に混合した後、
押出機を用いて樹脂温度１９０℃で溶融押出し、さらに
凹凸を施した冷却ロールにより凹凸を付与した。得られ
た未発泡の積層物を２１０℃の加熱炉を通すことによ
り、厚さ１２ｍｍの発泡壁紙を得た。EXAMPLE An 80 g / m 2 backing paper for wallpaper was used as a substrate, on which 5 parts by weight of a coloring agent composed of titanium oxide, titanium yellow, iron oxide, carbon black, etc., and a hindered phenol-based antioxidant (Johoku Chemical Co., Ltd .:
0.3 parts by weight of "JX-1"), a benzotriazole-based ultraviolet absorber ("JF-79" manufactured by Johoku Chemical Co., Ltd.)
0.5 parts by weight of an azodicarbonamide-based blowing agent (manufactured by Eiwa Kasei Kogyo Co., Ltd .: "Vinihole") 8.0 parts by weight of an olefin-based thermoplastic elastomer (Nippon Petrochemical Co., Ltd.)
Manufactured by "Soft Rex")
The resin was melt-extruded at a resin temperature of 190 ° C. using an extruder, and further provided with irregularities by a cooling roll having irregularities. The obtained unfoamed laminate was passed through a heating furnace at 210 ° C. to obtain a foamed wallpaper having a thickness of 12 mm.
【００１９】[0019]
【００２０】以上の実施例で得られた発泡壁紙は、素材
が塩化ビニル以外の樹脂であるばかりでなく、適度な柔
軟性を保持しており、凹凸も非常に尖鋭で量感があり、
耐薬品性、耐汚染性、耐溶剤性、耐候性にも優れたもの
であった。The foamed wallpaper obtained in the above examples is not only made of a resin other than vinyl chloride, but also has an appropriate flexibility, has very sharp irregularities, and has a large volume.
It was also excellent in chemical resistance, stain resistance, solvent resistance, and weather resistance.
【００２１】[0021]
【発明の効果】以上、詳細に説明したように、本発明の
発泡壁紙は、塩化ビニルを一切使用していないことから
環境問題の心配もなく、かつ物性的には塩化ビニル壁紙
と同等もしくはそれ以上のものとなっている。また意匠
的に凹凸を施した冷却ロールによる効果と発泡効果があ
いまって非常に凹凸の尖鋭な量感のある壁紙となる。As described in detail above, the foamed wallpaper of the present invention does not use any vinyl chloride, so there is no concern about environmental problems, and its physical properties are equivalent to or equivalent to those of the vinyl chloride wallpaper. That's all. In addition, the effect of the cooling roll having irregularities in design and the foaming effect combine to provide a wallpaper with a very sharp and uneven volume.
【図１】本発明に係る凹凸を有する発泡壁紙の断面の概
略図である。FIG. 1 is a schematic view of a cross section of a foamed wallpaper having irregularities according to the present invention.
【図２】本発明に係る凹凸を有する発泡壁紙の製造工程
の一例を示す概略図である。FIG. 2 is a schematic view showing an example of a production process of a foamed wallpaper having irregularities according to the present invention.
【図３】本発明に係る凹凸を有する発泡壁紙の製造工程
の一例を示す概略図である。FIG. 3 is a schematic view showing an example of a production process of a foamed wallpaper having irregularities according to the present invention.
１…基材 ２…樹脂層 ３…凹凸部 ４…巻出ロール ５…加圧ロール ６…溶融押出機 ７…溶融樹脂 ８…凹凸模様の施された冷却ロール ９…剥離ロール １０…凹凸模様を有する発泡壁紙 １１…未発泡の押出積層物 １２…加熱炉 DESCRIPTION OF SYMBOLS 1 ... Base material 2 ... Resin layer 3 ... Uneven part 4 ... Unwinding roll 5 ... Pressure roll 6 ... Melt extruder 7 ... Molten resin 8 ... Cooling roll with uneven pattern 9 ... Peeling roll 10 ... Uneven pattern Foamed wallpaper having 11 ... unfoamed extruded laminate 12 ... heating furnace
Claims (1)
エラストマー、エチレン−アクリル酸共重合体樹脂、ポ
リブテンから選ばれるオレフィン系樹脂に着色剤、酸化
防止剤、紫外線吸収剤、発泡剤を混合した樹脂からなる
層に、発泡と凹凸を施してなることを特徴とする凹凸を
有する発泡壁紙。1. An olefinic thermoplastic laminated on a substrate .
Elastomer, ethylene-acrylic acid copolymer resin,
A foamed wallpaper having irregularities, characterized by applying foaming and irregularities to a layer made of a resin obtained by mixing a coloring agent, an antioxidant, an ultraviolet absorber, and a foaming agent with an olefin resin selected from ribene .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8672199A JP3206588B2 (en) | 1999-03-29 | 1999-03-29 | Foamed wallpaper with irregularities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8672199A JP3206588B2 (en) | 1999-03-29 | 1999-03-29 | Foamed wallpaper with irregularities |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5058577A Division JP2962090B2 (en) | 1993-03-18 | 1993-03-18 | Method for producing foamed wallpaper having irregularities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11320733A JPH11320733A (en) | 1999-11-24 |
| JP3206588B2 true JP3206588B2 (en) | 2001-09-10 |
Family
ID=13894750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8672199A Expired - Lifetime JP3206588B2 (en) | 1999-03-29 | 1999-03-29 | Foamed wallpaper with irregularities |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3206588B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5028778B2 (en) * | 2005-09-30 | 2012-09-19 | 大日本印刷株式会社 | Foam wallpaper |
-
1999
- 1999-03-29 JP JP8672199A patent/JP3206588B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11320733A (en) | 1999-11-24 |
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