JP5330713B2 - Polyolefin wallpaper - Google Patents
Polyolefin wallpaper Download PDFInfo
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- JP5330713B2 JP5330713B2 JP2008059519A JP2008059519A JP5330713B2 JP 5330713 B2 JP5330713 B2 JP 5330713B2 JP 2008059519 A JP2008059519 A JP 2008059519A JP 2008059519 A JP2008059519 A JP 2008059519A JP 5330713 B2 JP5330713 B2 JP 5330713B2
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- polyolefin
- wallpaper
- surface layer
- layer material
- resin
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本発明は、ポリオレフィン系樹脂からなる表層材を用いた壁紙に関する。 The present invention relates to a wallpaper using a surface layer material made of a polyolefin resin.
従来、ポリオレフィン系樹脂からなる表層材を用いた壁紙として、特許文献１に記載されたものが提案されている。特許文献１の壁紙は、特定の成分を含有するポリオレフィン系樹脂組成物からなる発泡倍率１．５倍以上の発泡シートに難燃紙を積層したものである。 Conventionally, a wallpaper described in Patent Document 1 has been proposed as a wallpaper using a surface layer material made of polyolefin resin. The wallpaper of Patent Document 1 is obtained by laminating flame retardant paper on a foam sheet having a foaming ratio of 1.5 times or more made of a polyolefin resin composition containing a specific component.
特許文献１の実施例では、上記ポリオレフィン系樹脂組成物からなる発泡シートの発泡倍率を１．９〜３．０倍としている。 In the Example of patent document 1, the expansion ratio of the foamed sheet which consists of the said polyolefin resin composition is 1.9-3.0 times.
上述したように、特許文献１の壁紙は、ポリオレフィン系樹脂からなる表層材の発泡倍率が３．０倍以下と低く、そのため下記（ａ）〜（ｃ）の欠点を有するものであった。
（ａ）壁紙の軽量化を図ることが難しい。
（ｂ）表層が弱く、また汚れやすい。
（ｃ）表層材を厚くすることが難しい。
As described above, the wallpaper of Patent Document 1 has a foaming ratio as low as 3.0 times or less of a surface layer material made of a polyolefin resin, and thus has the following defects (a) to (c).
(A) It is difficult to reduce the weight of the wallpaper.
(B) The surface layer is weak and easily soiled.
(C) It is difficult to increase the thickness of the surface layer material.
本発明は、前述した事情に鑑みてなされたもので、ポリオレフィン系樹脂からなる表層材を用いた壁紙であって、上記表層材の発泡倍率が高い壁紙を提供することを目的とする。 This invention is made | formed in view of the situation mentioned above, It aims at providing the wallpaper using the surface layer material which consists of polyolefin resin, Comprising: The foaming magnification of the said surface layer material is high.
本発明は、前記目的を達成するため、下地材にポリオレフィン系架橋発泡体からなる厚さ０．５〜２．０ｍｍの表層材を貼り合わせ、前記下地材と前記表層材の間にアクリル系もしくはゴム系の接着剤層またはポリオレフィン系樹脂層を有することを特徴とするポリオレフィン系壁紙を提供する。 In order to achieve the above object, the present invention is a method in which a surface layer material having a thickness of 0.5 to 2.0 mm made of a polyolefin-based crosslinked foam is bonded to a base material, and acrylic or Provided is a polyolefin-based wallpaper having a rubber-based adhesive layer or a polyolefin-based resin layer.
本発明では、表層材としてポリオレフィン系架橋発泡体からなるものを用いたので、上記架橋の効果により、表層材の発泡倍率を高くすることができる。 In the present invention, since the surface layer material made of a polyolefin-based crosslinked foam is used, the expansion ratio of the surface layer material can be increased by the effect of the crosslinking.
本発明では、ポリオレフィン系架橋発泡体の発泡倍率を５〜３０倍、特に５〜１５倍とすることが好ましい。発泡倍率が５倍未満であると前述した従来の壁紙の欠点（ａ）〜（ｃ）を解消することができず、３０倍を超えると表層材のエンボス加工の自由度が小さくなる、表面性状が悪くなる、印刷用インクが付着しにくくなるといった問題が生じる。 In the present invention, the expansion ratio of the polyolefin-based crosslinked foam is preferably 5 to 30 times, particularly 5 to 15 times. If the expansion ratio is less than 5 times, the above-mentioned defects (a) to (c) of the conventional wallpaper cannot be solved, and if it exceeds 30 times, the degree of freedom of embossing of the surface layer material becomes small. This causes problems such as poor printing and difficulty in adhering printing ink.
本発明のポリオレフィン系壁紙は、下記（１）〜（５）の効果を奏する。
（１）表層材の発泡倍率が高いので、壁紙の軽量化を図ることができる。
（２）表層材の発泡倍率が高いので、しっかりとした表面を有する表層材を得ることができる。
（３）表層材の発泡倍率が高いので、表層材のクッション性が高く、衝撃吸収効果が期待できるので、この特性を活かした製品を作ることができる。
（４）表層材の発泡倍率が高いので、表層材のエンボス加工の自由度を大きくすることができる。
（５）表層材にポリオレフィン系架橋発泡体を用いたので、表層材の耐熱性と表面の機械的強度が高い。
The polyolefin-based wallpaper of the present invention has the following effects (1) to (5).
(1) Since the expansion ratio of the surface layer material is high, the wallpaper can be reduced in weight.
(2) Since the expansion ratio of the surface material is high, a surface material having a firm surface can be obtained.
(3) Since the expansion ratio of the surface layer material is high, the cushioning property of the surface layer material is high, and an impact absorbing effect can be expected. Therefore, a product utilizing this characteristic can be made.
(4) Since the expansion ratio of the surface material is high, the degree of freedom of embossing of the surface material can be increased.
(5) Since a polyolefin-based crosslinked foam is used for the surface layer material, the heat resistance and surface mechanical strength of the surface layer material are high.
以下、本発明につきさらに詳しく説明する。本発明において、下地材の材質に限定はなく、紙、布、樹脂フィルム等を使用することができるが、特に紙が好ましい。下地材の厚さは３０〜２００μｍ程度とすることが適当である。 Hereinafter, the present invention will be described in more detail. In the present invention, the material of the base material is not limited, and paper, cloth, resin film or the like can be used, but paper is particularly preferable. The thickness of the base material is suitably about 30 to 200 μm.
本発明において、ポリオレフィン系架橋発泡体の製造に用いるポリオレフィン系樹脂としては、例えば、低密度ポリエチレン、直鎖低密度ポリエチレン、高密度ポリエチレン、ポリプロピレン、エチレンプロピレンゴム、エチレンプロピレンジエン三元共重合体、スチレンブタジエンゴム、エチレン酢酸ビニル共重合体、エチレンビニルアルコール樹脂、エチレンエチルアクリレート樹脂、エチレンアクリル酸エチル共重合体等が挙げられるが、これらに限られるものではない。これらの樹脂は、単独または２踵以上の混合物として使用することができる。 In the present invention, as the polyolefin resin used for the production of the polyolefin-based crosslinked foam, for example, low density polyethylene, linear low density polyethylene, high density polyethylene, polypropylene, ethylene propylene rubber, ethylene propylene diene terpolymer, Examples thereof include, but are not limited to, styrene butadiene rubber, ethylene vinyl acetate copolymer, ethylene vinyl alcohol resin, ethylene ethyl acrylate resin, and ethylene ethyl acrylate copolymer. These resins can be used alone or as a mixture of two or more.
上記ポリオレフィン系樹脂には、必要に応じて熱安定剤、加工助剤、滑剤、衝撃改質剤、充填剤、酸化防止剤、紫外線吸収剤、光安定剤、顔料等が適宜添加されていてもよい。 The polyolefin-based resin may contain a heat stabilizer, a processing aid, a lubricant, an impact modifier, a filler, an antioxidant, an ultraviolet absorber, a light stabilizer, a pigment, and the like as necessary. Good.
本発明において、ポリオレフィン系架橋発泡体を化学架橋法により架橋させる場合、架橋剤としては、例えば、ジクミルパーオキサイド、２，５−ジメチル−２，５−ジ−（ｔ−ブチルパーオキシ）−へキシン−３、α、α’−ビス（ｔ−ブチルパーオキシジイソプロピル）ベンゼン、ｔ−ブチルパーオキシクメン、４，４−ジ（ｔ−ブチルパーオキシ）バレリック酸ｎ−ブチルエステル、１−ジ（ｔ−ブチルパーオキシ）−３，３，５−トリメチルシクロへキサン、１，１−ジ（ｔ−ブチルパーオキシ）シクロヘキサン等の有機過酸化物を用いることができる。 In the present invention, when the polyolefin-based crosslinked foam is crosslinked by a chemical crosslinking method, examples of the crosslinking agent include dicumyl peroxide, 2,5-dimethyl-2,5-di- (t-butylperoxy)- Hexin-3, α, α′-bis (t-butylperoxydiisopropyl) benzene, t-butylperoxycumene, 4,4-di (t-butylperoxy) valeric acid n-butyl ester, 1-di Organic peroxides such as (t-butylperoxy) -3,3,5-trimethylcyclohexane and 1,1-di (t-butylperoxy) cyclohexane can be used.
本発明においては、ポリオレフィン系架橋発泡体を電離性放射線を用いた放射線架橋法によって架橋させてもよい。 In the present invention, the polyolefin-based crosslinked foam may be crosslinked by a radiation crosslinking method using ionizing radiation.
本発明において、ポリオレフィン系架橋発泡体の製造に用いる発泡剤としては、例えば、アゾジカルボンアミド（ＡＤＣＡ）、ｐ，ｐ−オキシビスベンゼンスルホニルヒドラジド（ＯＢＳＨ）、Ｎ，Ｎ’−ジニトロソペンタメチレンテトラミン（ＤＰＴ）、ｐ−トルエンスルホニルヒドラジド、ベンゼンスルホニルヒドラジド、ジアゾアミノベンゼン、Ｎ，Ｎ’−ジメチルＮ，Ｎ’−ジニトロテレフタルアミド、アゾビスイソプチロニトリル等を用いることができる。これらの発泡剤は、単独または２踵以上の混合物として使用することができる。 In the present invention, examples of the foaming agent used in the production of the polyolefin-based crosslinked foam include azodicarbonamide (ADCA), p, p-oxybisbenzenesulfonylhydrazide (OBSH), and N, N′-dinitrosopentamethylenetetramine. (DPT), p-toluenesulfonyl hydrazide, benzenesulfonyl hydrazide, diazoaminobenzene, N, N′-dimethyl N, N′-dinitroterephthalamide, azobisisoptyronitrile and the like can be used. These foaming agents can be used alone or as a mixture of two or more.
本発明において、ポリオレフィン系架橋発泡体を製造する方法としては、例えば、ポリオレフィン系樹脂に架橋剤および発泡剤を所定量混合して樹脂組成物を製造し、次いで発泡剤および架橋剤が分解しない温度で押出成形などの手段によって樹脂組成物をシート状に成形し、得られたシートを発泡剤および架橋剤が分解する温度に設定された熱風炉に投入して、架橋と同時に発泡させる方法などが挙げられる。 In the present invention, a method for producing a polyolefin-based crosslinked foam includes, for example, mixing a polyolefin resin with a predetermined amount of a crosslinking agent and a foaming agent to produce a resin composition, and then a temperature at which the foaming agent and the crosslinking agent do not decompose The resin composition is formed into a sheet by means such as extrusion molding, and the obtained sheet is placed in a hot air oven set at a temperature at which the foaming agent and the crosslinking agent decompose, and foamed simultaneously with crosslinking. Can be mentioned.
本発明において、ポリオレフィン系架橋発泡体からなる表層材の表面には、模様等を印刷したり、エンボス加工を施したりすることができる。また、表層材の厚さは０．５〜２．０ｍｍ程度とすることが適当である。 In the present invention, a pattern or the like can be printed or embossed on the surface of the surface layer material made of a polyolefin-based crosslinked foam. The thickness of the surface layer material is suitably about 0.5 to 2.0 mm.
本発明において、下地材に表層材を貼り合わせる方法としては、下地材に表層材をアクリル系接着剤、ゴム系接着剤等の接着剤により貼り合わせる方法、下地材にポリオレフィン系樹脂を塗布して複合シートを製造し、この複合シートのポリオレフィン系樹脂塗布面に表層材を熱融着させる方法などが挙げられるが、後者の方法は有機溶剤を使用しないので、作業環境、住環境に悪影響を与えず、また接着剤のように乾燥時間を必要としない点で好ましい。 In the present invention, as a method of bonding the surface layer material to the base material, a method of bonding the surface layer material to the base material with an adhesive such as an acrylic adhesive or a rubber adhesive, and applying a polyolefin resin to the base material There is a method of manufacturing a composite sheet and heat-sealing the surface layer material to the polyolefin resin-coated surface of this composite sheet. However, the latter method does not use an organic solvent, so it adversely affects the work environment and living environment. Moreover, it is preferable in that a drying time is not required unlike an adhesive.
本発明に係るポリオレフィン系壁紙の一実施形態を図１に示す。図１のポリオレフィン系壁紙は、紙、布、樹脂フィルム等からなる下地材２の片面上に設けたポリオレフィン系樹脂塗布層４にポリオレフィン系架橋発泡体からなる表層材６を熱融着したり、下地材２に表層材６を接着剤８により貼り合わせたりしたものである。表層材６の表面には、印刷やエンボス加工１０が施されている。
One embodiment of a polyolefin-based wallpaper according to the present invention is shown in FIG. The polyolefin-based wallpaper of FIG. 1 is obtained by heat-sealing a surface layer material 6 made of a polyolefin-based crosslinked foam on a polyolefin-based resin coating layer 4 provided on one side of a
２ 下地材
４ ポリオレフィン系樹脂塗布層
６ 表層材
８ 接着剤
１０エンボス加工
2 Base material 4 Polyolefin resin coating layer 6 Surface layer material 8 Adhesive 10 Embossing
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008059519A JP5330713B2 (en) | 2008-03-10 | 2008-03-10 | Polyolefin wallpaper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008059519A JP5330713B2 (en) | 2008-03-10 | 2008-03-10 | Polyolefin wallpaper |
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| Publication Number | Publication Date |
|---|---|
| JP2009214385A JP2009214385A (en) | 2009-09-24 |
| JP5330713B2 true JP5330713B2 (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008059519A Expired - Fee Related JP5330713B2 (en) | 2008-03-10 | 2008-03-10 | Polyolefin wallpaper |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3923580B2 (en) * | 1997-01-17 | 2007-06-06 | 大日本印刷株式会社 | wallpaper |
| JP4009873B2 (en) * | 2005-08-11 | 2007-11-21 | 大日本印刷株式会社 | Foam wallpaper |
| JP4110422B2 (en) * | 2005-08-11 | 2008-07-02 | 大日本印刷株式会社 | Foam wallpaper |
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| JP2009214385A (en) | 2009-09-24 |
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