JP2020163798A - Deodorant antifouling sheet material for wallpaper - Google Patents
Deodorant antifouling sheet material for wallpaper Download PDFInfo
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- JP2020163798A JP2020163798A JP2019068774A JP2019068774A JP2020163798A JP 2020163798 A JP2020163798 A JP 2020163798A JP 2019068774 A JP2019068774 A JP 2019068774A JP 2019068774 A JP2019068774 A JP 2019068774A JP 2020163798 A JP2020163798 A JP 2020163798A
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- Prior art keywords
- deodorant
- layer
- antifouling
- sheet material
- antifouling sheet
- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 70
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- 239000000126 substance Substances 0.000 claims description 41
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Images
Landscapes
- Building Environments (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Laminated Bodies (AREA)
Abstract
Description
本発明は、生活環境、介護・医療現場のような、汚物が関与する環境において用いられる壁紙用の消臭防汚シート材料に関する。
本発明の消臭防汚シート材料は、消臭性と防汚性を要求される様々な分野の製品に適用することができ、特に臭いを発したり、浸透したりする汚物が関与する生活環境、介護・医療現場における壁紙用の消臭防汚シート材料として好適に用いることができる。
The present invention relates to a deodorant and antifouling sheet material for wallpaper used in an environment in which filth is involved, such as a living environment and a nursing / medical field.
The deodorant and antifouling sheet material of the present invention can be applied to products in various fields in which deodorant and antifouling properties are required, and in particular, a living environment involving filth that emits or permeates odors. , Can be suitably used as a deodorant and antifouling sheet material for wallpaper in nursing care / medical sites.
従来、ガス(臭い、水蒸気、酸素)透過特性を有するシートが知られているが、脱酸素剤、乾燥剤、鮮度保持剤、発熱剤、吸湿剤、脱臭剤、防虫剤、除湿剤または芳香剤などの添加剤を収納することを目的としているものであったり（特許文献１）、竹綿と熱溶解性樹脂を混合することで消臭特性とドリップ吸収特性を発現させているシートではあるものの、竹綿では吸着対象のガス成分が限定されてしまい、ガス透過層のみから構成されているために防汚性を備えておらず、液体成分がシート裏側を汚すことが懸念される（特許文献２）ものであった。
よって、ガス透過層と、ガス吸着性と、水分を透過しない防汚特性と、吸着対象のガス成分の多様性とを備えた積層体の開発が望まれている。
Conventionally, sheets having gas (odor, water vapor, oxygen) permeation characteristics are known, but oxygen scavengers, desiccants, freshness preservatives, heat-generating agents, hygroscopic agents, deodorants, insect repellents, dehumidifiers or air fresheners. Although it is intended to store additives such as (Patent Document 1), or it is a sheet that expresses deodorant properties and drip absorption properties by mixing bamboo cotton and a heat-soluble resin. In bamboo cotton, the gas component to be adsorbed is limited, and since it is composed of only a gas permeable layer, it does not have antifouling properties, and there is a concern that the liquid component may stain the back side of the sheet (Patent Documents). 2) It was.
Therefore, it is desired to develop a laminated body having a gas permeable layer, gas adsorption property, antifouling property that does not allow moisture to permeate, and a variety of gas components to be adsorbed.
本発明は、上述の問題を解決し、製造適正に優れ、簡易な層構成でありながら、漏洩や飛散した、ジュース、コーヒー、醤油、ソース等の飲食物や屎尿や吐瀉物等の汚物そのものまたは該汚物からの臭気の浸透を抑制し、且つ消臭することができる壁紙用の消臭防汚シート材料、および、該消臭防汚シート材料から作製される消臭防汚シート資材、消臭防汚壁紙を提供することを課題とする。 The present invention solves the above-mentioned problems, is excellent in manufacturing suitability, and has a simple layer structure, but leaks or scatters of food and drink such as juice, coffee, soy sauce, sauce, and filth itself such as urine and vomit. A deodorant antifouling sheet material for wallpaper that can suppress the penetration of odor from the filth and deodorize, and a deodorant antifouling sheet material and deodorant made from the deodorant antifouling sheet material. The subject is to provide antifouling wallpaper.
本発明者らは、種々検討の結果、特定の布からなるガス透過層と、特定の押出接着層と、防汚層とを有する消臭防汚シート材料が、上記の目的を達成することを見出した。 As a result of various studies, the present inventors have found that a deodorant antifouling sheet material having a gas permeable layer made of a specific cloth, a specific extruded adhesive layer, and an antifouling layer achieves the above object. I found it.
すなわち、本発明は、以下の点を特徴とする。
１．少なくとも、ガス透過層と、押出接着層と、防汚層とを有する、壁紙用の消臭防汚シート材料であって、
該ガス透過層は、該消臭防汚シート材料の片面の表面層であり、繊維材料を用いた布からなる層であり、
該ガス透過層と該押出接着層とは隣接しており、
該押出接着層および／または該防汚層は、消臭剤を含有し、
該押出接着層は、ポリオレフィン系樹脂を含有することを特徴とする、壁紙用の消臭防汚シート材料。
２．前記押出接着層に含有される前記消臭剤が、無機臭気分解剤、無機多孔体からなる群から選ばれる１種または２種以上を含有することを特徴とする、
上記１に記載の、消臭防汚シート材料。
３．前記防汚層に含有される前記消臭剤が、無機臭気分解剤、無機多孔体、化学臭気吸着剤からなる群から選ばれる１種または２種以上を含有することを特徴とする、
上記１に記載の、消臭防汚シート材料。
４．前記消臭剤を含有する層中の、前記消臭剤の含有量が、０．１質量％以上、３０質量％以下であることを特徴とする、
上記１〜３の何れかに記載の、消臭防汚シート材料。
５．前記消臭剤は、最大粒子径が２５μｍ以下であり、数平均粒子径が０．０５μｍ以上、２０μｍ以下であることを特徴とする、
上記１〜４の何れかに記載の、消臭防汚シート材料。
６．前記防汚層は、粘着性樹脂を含有し、自己粘着性を有し、前記消臭防汚シートの片側の表面層であり、
前記粘着性樹脂が、０．８８ｇ／ｃｍ3以上、０．９１５ｇ／ｃｍ3以下の密度を有する、ＬＬＤＰＥを含有することを特徴とする、
上記１〜５の何れかに記載の、消臭防汚シート材料。
７．前記消臭防汚シートの前記防汚層同士を対向して重ねて、４０℃において０．１８ＭＰａの圧力を１２時間かけた後に、３００ｍｍ／ｍｉｎの速度で、剪断方向に剥がした時の粘着力が、１．５Ｎ／１５ｍｍ以上であることを特徴とする、
上記６に記載の、消臭防汚シート材料。
８．前記防汚層は、水蒸気透過率が、２０００ｇ／ｍ2／ｄａｙ以下であることを特徴とする、
上記１〜７の何れかに記載の、消臭防汚シート材料。
９．上記１〜８の何れかに記載の消臭防汚シート材料から作製された、壁紙用の消臭防汚シート資材。
１０．上記１〜８の何れかに記載の消臭防汚シート材料から作製された、消臭防汚壁紙。
That is, the present invention is characterized by the following points.
1. 1. A deodorant and antifouling sheet material for wallpaper having at least a gas permeable layer, an extruded adhesive layer, and an antifouling layer.
The gas permeable layer is a one-sided surface layer of the deodorant and antifouling sheet material, and is a layer made of a cloth using a fiber material.
The gas permeable layer and the extruded adhesive layer are adjacent to each other.
The extruded adhesive layer and / or the antifouling layer contains a deodorant and
The extruded adhesive layer is a deodorant and antifouling sheet material for wallpaper, which comprises a polyolefin-based resin.
2. The deodorant contained in the extrusion adhesive layer is characterized by containing one or more selected from the group consisting of an inorganic odor decomposing agent and an inorganic porous body.
The deodorant and antifouling sheet material described in 1 above.
3. 3. The deodorant contained in the antifouling layer is characterized by containing one or more selected from the group consisting of an inorganic odor decomposing agent, an inorganic porous material, and a chemical odor adsorbent.
The deodorant and antifouling sheet material described in 1 above.
4. The content of the deodorant in the layer containing the deodorant is 0.1% by mass or more and 30% by mass or less.
The deodorant and antifouling sheet material according to any one of 1 to 3 above.
5. The deodorant has a maximum particle diameter of 25 μm or less and a number average particle diameter of 0.05 μm or more and 20 μm or less.
The deodorant and antifouling sheet material according to any one of 1 to 4 above.
6. The antifouling layer contains an adhesive resin, has self-adhesiveness, and is a surface layer on one side of the deodorant antifouling sheet.
The adhesive resin, 0.88 g / cm 3 or more, having a density of 0.915 g / cm 3 or less, characterized by containing the LLDPE,
The deodorant and antifouling sheet material according to any one of 1 to 5 above.
7. Adhesive strength when the antifouling layers of the deodorant antifouling sheet are overlapped with each other facing each other, applied at a pressure of 0.18 MPa at 40 ° C. for 12 hours, and then peeled off at a speed of 300 mm / min in the shearing direction. Is characterized by being 1.5 N / 15 mm or more.
The deodorant and antifouling sheet material according to 6 above.
8. The antifouling layer is characterized by having a water vapor permeability of 2000 g / m 2 / day or less.
The deodorant and antifouling sheet material according to any one of 1 to 7 above.
9. A deodorant / antifouling sheet material for wallpaper, which is produced from the deodorant / antifouling sheet material according to any one of 1 to 8 above.
10. A deodorant / antifouling wallpaper made from the deodorant / antifouling sheet material according to any one of 1 to 8 above.
本発明の消臭防汚シート材料および本発明の消臭防汚シート材料から作製された消臭防汚シート資材、消臭防汚壁紙は、製造適正に優れ、簡易な層構成でありながら、漏洩や飛散した、ジュース、コーヒー、醤油、ソース等の飲食物や屎尿や吐瀉物等の汚物そのものまたは該汚物からの臭気の浸透を抑制し、且つ消臭することができる。 The deodorant and antifouling sheet material of the present invention, the deodorant and antifouling sheet material produced from the deodorant and antifouling sheet material of the present invention, and the deodorant and antifouling wallpaper are excellent in manufacturing suitability and have a simple layer structure. Leaked or scattered food and drink such as juice, coffee, soy sauce, sauce, filth itself such as urine and vomitus, or the permeation of odor from the filth can be suppressed and deodorized.
各図においては、解り易くする為に、部材の大きさや比率を変更または誇張して記載することがある。また、見易さの為に説明上不要な部分や繰り返しとなる符号は省略することがある。 In each figure, the size and ratio of the members may be changed or exaggerated for the sake of clarity. In addition, for the sake of readability, unnecessary parts for explanation and repeated codes may be omitted.
本発明の壁紙用の消臭防汚シート材料および本発明の消臭防汚シート材料から作製された消臭防汚シート資材、消臭防汚壁紙について、以下に更に詳しく説明する。具体例を示しながら説明するが、本発明はこれに限定されるものではない。 The deodorant and antifouling sheet material for the wallpaper of the present invention, the deodorant and antifouling sheet material produced from the deodorant and antifouling sheet material of the present invention, and the deodorant and antifouling wallpaper will be described in more detail below. The present invention will be described with reference to specific examples, but the present invention is not limited thereto.
＜＜消臭防汚シート材料＞＞
本発明の壁紙用の消臭防汚シート材料は、漏洩や飛散した、ジュース、コーヒー、醤油、ソース等の飲食物や屎尿や吐瀉物等の汚物そのものまたは該汚物からの臭気の浸透を抑制し、且つ消臭することができるシート材料であって、優れた消臭性と防汚性を有する。
消臭防汚シート材料は、少なくとも、ガス透過層と、押出接着層と、防汚層とを有する積層体であり、ガス透過層は消臭防汚シート材料の片面の表面層であり、且つ押出接着層と隣接している。
該押出接着層および／または該防汚層が消臭剤を含有し、消臭効果を発揮する。
消臭防汚シート材料は、例えば、加工性、耐熱性、耐候性、機械的性質、寸法安定性、抗酸化性、滑り性、離形性、難燃性、抗カビ性、電気的特性、強度等を改良、改質する目的で、種々のプラスチック配合剤や添加剤等を含有することができる。その含有量としては、極微量から数十％まで、その目的に応じて、任意に含有することができる。
上記において、一般的な添加剤としては、例えば、アンチブロッキング剤、滑剤、架橋剤、酸化防止剤、紫外線吸収剤、光安定剤、充填剤、補強剤、帯電防止剤、顔料、改質用樹脂等を含有することができる。
<< Deodorant and antifouling sheet material >>
The deodorant and antifouling sheet material for wallpaper of the present invention suppresses the permeation of leaked or scattered food and drink such as juice, coffee, soy sauce, sauce, filth itself such as human waste and vomitus, or odor from the filth. Moreover, it is a sheet material that can be deodorized and has excellent deodorizing and antifouling properties.
The deodorant and antifouling sheet material is a laminate having at least a gas permeable layer, an extruded adhesive layer, and an antifouling layer, and the gas permeable layer is a one-sided surface layer of the deodorant and antifouling sheet material. Adjacent to the extruded adhesive layer.
The extruded adhesive layer and / or the antifouling layer contains a deodorant and exerts a deodorizing effect.
Deodorant and antifouling sheet materials include, for example, workability, heat resistance, weather resistance, mechanical properties, dimensional stability, antioxidant properties, slipperiness, releasability, flame retardancy, antifungal properties, electrical properties, Various plastic compounding agents, additives and the like can be contained for the purpose of improving and modifying the strength and the like. The content can be arbitrarily contained from a very small amount to several tens of percent depending on the purpose.
In the above, general additives include, for example, antiblocking agents, lubricants, cross-linking agents, antioxidants, ultraviolet absorbers, light stabilizers, fillers, reinforcing agents, antistatic agents, pigments, and modifying resins. Etc. can be contained.
［消臭防汚シート材料の作製方法］
消臭防汚シート材料の作製は、予め作製されたガス透過層を構成するフィルムと、防汚層を構成するフィルム等とを、押出形成された押出接着層を介して積層することが好ましい。
例えば、予め作製されたガス透過層の接着面上に、加熱によって溶融した押出接着層用の組成物をＴダイス等で必要な幅方向に拡大伸張させてカーテン状に押出して流下させて、押出接着層の厚みをコントロールしながら、防汚層等を重ねて、ゴムロールと冷却した金属ロールとで挟持することで圧着して、接着と積層を同時に行うことができる。
[How to make deodorant and antifouling sheet material]
In the production of the deodorant and antifouling sheet material, it is preferable that the film constituting the gas permeable layer prepared in advance and the film constituting the antifouling layer are laminated via the extruded adhesive layer formed by extrusion.
For example, the composition for the extrusion adhesive layer melted by heating is expanded and stretched in the required width direction with a T-die or the like on the adhesive surface of the gas permeable layer prepared in advance, extruded into a curtain shape, and flowed down. While controlling the thickness of the adhesive layer, an antifouling layer or the like is layered and sandwiched between a rubber roll and a cooled metal roll to be crimped, so that adhesion and lamination can be performed at the same time.
また、消臭防汚シート材料を構成する各層間には、接着性を向上させるために、各層の表面に、必要に応じて、予め、所望の表面処理を施すことができる。
例えば、コロナ放電処理、オゾン処理、酸素ガスまたは窒素ガス等を用いた低温プラズマ処理、グロー放電処理、化学薬品等を用いたる酸化処理等の前処理を任意に施して、コロナ処理層、オゾン処理層、プラズマ処理層、酸化処理層等を形成して設けることができる。
或いは、表面に、プライマーコート剤層、アンダーコート剤層、アンカーコート剤層、接着層、蒸着アンカーコート剤層等の各種コート剤層を任意に形成して、表面処理層とすることもできる。
Further, in order to improve the adhesiveness, the surface of each layer can be subjected to a desired surface treatment in advance, if necessary, between the layers constituting the deodorant and antifouling sheet material.
For example, pretreatment such as corona discharge treatment, ozone treatment, low temperature plasma treatment using oxygen gas or nitrogen gas, glow discharge treatment, oxidation treatment using chemicals, etc. is arbitrarily performed to perform corona treatment layer, ozone treatment, etc. A layer, a plasma-treated layer, an oxidation-treated layer and the like can be formed and provided.
Alternatively, various coating agent layers such as a primer coating agent layer, an undercoating agent layer, an anchor coating agent layer, an adhesive layer, and a vapor deposition anchor coating agent layer can be arbitrarily formed on the surface to form a surface treatment layer.
上記の各種コート剤層には、例えば、ポリエステル系樹脂、ポリアミド系樹脂、ポリウレタン系樹脂、エポキシ系樹脂、フェノール系樹脂、（メタ）アクリル系樹脂、ポリ酢酸ビニル系樹脂、ポリエチレンもしくはポリプロピレン等のポリオレフィン系樹脂またはその共重合体ないし変性樹脂、セルロース系樹脂等をビヒクルの主成分とする樹脂組成物を用いることができる。 The above-mentioned various coating agent layers include, for example, polyester resin, polyamide resin, polyurethane resin, epoxy resin, phenol resin, (meth) acrylic resin, polyvinyl acetate resin, polyolefin such as polyethylene or polypropylene. A resin composition containing a based resin or a copolymer or modified resin thereof, a cellulose based resin, or the like as the main component of the vehicle can be used.
＜ガス透過層＞
ガス透過層は、繊維材料を用いたガス透過布からなる層である。該ガス透過布は不織布であってもよく、織布であってもよいが、不織布が好ましい。
ガス透過層は湿気や空気や臭気等のガスを通過することができる層であり。消臭性も防汚性も防水性も有していなくてよい。
ガス透過層は、１層構成であっても、構成が同一または異なる２層以上で構成されていてもよい。
ガス透過層を構成する布の目付量は、１０〜２００ｇ／ｍ2が好ましい。上記範囲よりも小さいとガス透過シートとしての強度が低下し易く、安定した加工特性が得ることが困難であり、上記範囲よりも大きいと、ガス透過性が低下し易く、さらには、ガス透過シートの剛性が高くなり過ぎて、製品としての適用範囲が限定される可能性がある。
<Gas permeable layer>
The gas permeable layer is a layer made of a gas permeable cloth using a fiber material. The gas permeable cloth may be a non-woven fabric or a woven cloth, but a non-woven fabric is preferable.
The gas permeable layer is a layer that allows gas such as moisture, air, and odor to pass through. It does not have to have deodorant property, antifouling property, or waterproof property.
The gas permeable layer may be composed of one layer or two or more layers having the same or different configurations.
The basis weight of the cloth constituting the gas permeable layer is preferably 10 to 200 g / m 2 . If it is smaller than the above range, the strength of the gas permeable sheet tends to decrease, and it is difficult to obtain stable processing characteristics. If it is larger than the above range, the gas permeability tends to decrease, and further, the gas permeable sheet. The rigidity of the product may become too high, limiting the scope of application as a product.
［ガス透過層を構成する繊維材料］
ガス透過層に用いられる繊維としては、ガス透過層と押出接着層の両者間に高いラミネート強度を有することができる材料であれば、公知の材料が適用できる。
ガス透過層に用いられる繊維材料の具体例としては、綿花・絹・羊毛・麻・パルプ・ポリエチレン繊維、ポリプロピレン繊維、ポリスチレン繊維、ポリエステル‐ポリエチレン２重構造繊維、パルプ‐ポリエチレン‐ポリプロピレン複合繊維、およびこれらの併用等が挙げられる。
上記の繊維材料の中でも、パルプ、ポリエチレン繊維、ポリエステル‐ポリエチレン２重構造繊維、パルプ‐ポリエチレン‐ポリプロピレン複合繊維が、接着性が良好であり、好ましい。
[Fiber material constituting the gas permeable layer]
As the fiber used for the gas permeable layer, a known material can be applied as long as it is a material capable of having high lamination strength between both the gas permeable layer and the extruded adhesive layer.
Specific examples of fiber materials used for the gas permeable layer include cotton, silk, wool, hemp, pulp, polyethylene fiber, polypropylene fiber, polystyrene fiber, polyester-polyethylene double structure fiber, pulp-polyethylene-polypropylene composite fiber, and Examples thereof include a combination of these.
Among the above fiber materials, pulp, polyethylene fiber, polyester-polyethylene double structure fiber, and pulp-polyethylene-polypropylene composite fiber are preferable because they have good adhesiveness.
＜押出接着層＞
押出接着層は、押出（エクストルージョン）形成された接着層である。
押出接着層は、ポリオレフィン系樹脂を含有することが好ましく、さらには、消臭剤を含有することができる。
［押出接着層中のポリオレフィン系樹脂］
押出接着層に含まれるポリオレフィン系樹脂の具体例としては、低密度ポリエチレン（ＬＤＰＥ）、中密度ポリエチレン（ＭＤＰＥ）、高密度ポリエチレン（ＨＤＰＥ）、ポリプロピレン（ＰＰ）、直鎖状（線状）低密度ポリエチレン（ＬＬＤＰＥ）、エチレン−酢酸ビニル共重合体、エチレン−アクリル酸エチル共重合体、エチレン−アクリル酸共重合体、エチレン−メタクリル酸共重合体、エチレン−メチルメタクリル酸共重合体、エチレン−プロピレン共重合体等の低溶出化されたもの及びそれらの樹脂の混合物が挙げられる。
上記の中でも、ポリエチレン系の樹脂が好ましく、ポリエチレン系の樹脂の中でも、ＬＤＰＥおよび／またはＬＬＤＰＥがより好ましく、ＬＤＰＥがさらに好ましい。
<Extrusion adhesive layer>
The extrusion adhesive layer is an extruded adhesive layer.
The extruded adhesive layer preferably contains a polyolefin-based resin, and can further contain a deodorant.
[Polyolefin resin in extruded adhesive layer]
Specific examples of the polyolefin resin contained in the extrusion adhesive layer include low density polyethylene (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE), polypropylene (PP), and linear (linear) low density. Polyethylene (LLDPE), ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, ethylene-methylmethacrylate copolymer, ethylene-propylene Examples thereof include low-elution products such as copolymers and mixtures of resins thereof.
Among the above, polyethylene-based resins are preferable, and among polyethylene-based resins, LDPE and / or LLDPE are more preferable, and LDPE is even more preferable.
［押出接着層に含有される消臭剤］
押出接着層に含有される消臭剤は、無機臭気分解剤、無機多孔体からなる群から選ばれる１種または２種以上を含有することが好ましい。汚物が屎尿の場合には、臭気成分は硫化水素とアンモニアを含有するが、上記の消臭剤はこれらの臭気成分を効率よく消臭することができる。収容物の汚物の臭気の種類によって、消臭剤を選択することが好ましい。また、必要に応じて、上記以外の消臭剤を併用することもできる。
上記の消臭剤は粉体で用いられる場合、粉体の最大粒子径は２５μｍ以下が好ましく、数平均粒子径は０．０５μｍ以上、２０μｍ以下が好ましい。数平均粒子径が上記範囲よりも小さいと、消臭剤が凝集し易くなり、最大粒子径または数平均粒子径が上記範囲よりも大きいと、２５μｍ以下のフィルム厚または層厚の場合に、フィルム厚または層厚よりも大きい粒子が存在して均質性に劣ることになり易く、消臭性能も劣り易くなり、ラミネート強度を低下させ易くなる。
[Deodorant contained in the extruded adhesive layer]
The deodorant contained in the extruded adhesive layer preferably contains one or more selected from the group consisting of an inorganic odor decomposing agent and an inorganic porous body. When the filth is human waste, the odorous components contain hydrogen sulfide and ammonia, and the above-mentioned deodorant can efficiently deodorize these odorous components. It is preferable to select a deodorant according to the type of odor of the filth contained in the container. Further, if necessary, a deodorant other than the above can be used in combination.
When the above deodorant is used as a powder, the maximum particle size of the powder is preferably 25 μm or less, and the number average particle size is preferably 0.05 μm or more and 20 μm or less. If the number average particle size is smaller than the above range, the deodorant is likely to aggregate, and if the maximum particle size or the number average particle size is larger than the above range, the film has a film thickness or layer thickness of 25 μm or less. Particles larger than the thickness or layer thickness tend to be present and the homogeneity tends to be inferior, the deodorizing performance tends to be deteriorated, and the laminate strength tends to be lowered.
消臭剤を含有する層中の、前記消臭剤の含有量は、０．１質量％以上、３０質量％以下が好ましい。上記範囲よりも少ないと、充分な消臭性を発揮し難くなり易く、上記範囲よりも多くても消臭性は特に向上せず、ラミネート強度やヒートシール強度を低下させ易くなる。 The content of the deodorant in the layer containing the deodorant is preferably 0.1% by mass or more and 30% by mass or less. If it is less than the above range, it tends to be difficult to exhibit sufficient deodorant property, and if it is more than the above range, the deodorant property is not particularly improved, and the lamination strength and the heat seal strength are easily lowered.
（無機臭気分解剤）
無機臭気分解剤は、金属担持無機酸化物、または金属カチオンと無機酸アニオンからなる塩が、金属酸化物と混合されたものが挙げられ、具体的には、リン酸塩銅ガラスや、焼ミョウバン（ＡｌＫ（ＳＯ4）2）をＣａＯおよびＺｎＯと混合したもの等が挙げられる。
無機臭気分解剤は、無機臭気分解剤中の金属成分等がイオン化して、硫黄系悪臭物質の分解反応を促進する触媒作用を発揮する。
粉体状の金属担持無機酸化物は、原料の金属酸化物やリン化合物等を混合して、瓶ガラスなどの汎用ガラス作製と同様な常法により溶融して均質化して、冷却後に粉砕して粉体状にし、金属塩を担持することによって、得ることができる。あるいは、原料の溶融前に、金属塩を一緒に予め混合しておいてもよい。
(Inorganic odor decomposition agent)
Examples of the inorganic odor decomposing agent include those obtained by mixing a metal-supported inorganic oxide or a salt composed of a metal cation and an inorganic acid anion with a metal oxide, and specifically, phosphate copper glass or baked myoban. Examples thereof include a mixture of (AlK (SO 4 ) 2 ) with CaO and ZnO.
The inorganic odor decomposing agent exhibits a catalytic action that promotes the decomposition reaction of sulfur-based malodorous substances by ionizing metal components and the like in the inorganic odor decomposing agent.
The powdered metal-supported inorganic oxide is mixed with the raw material metal oxide, phosphorus compound, etc., melted and homogenized by the same method as for making general-purpose glass such as bottle glass, cooled, and then pulverized. It can be obtained by making it into a powder and supporting a metal salt. Alternatively, the metal salts may be premixed together before the raw materials are melted.
（無機多孔体）
無機多孔体は、その表面に多数の細孔を有する物質であり、例えば、活性白土や活性化ベントナイト、ゼオライト、ジルコニウム化合物、二酸化ケイ素、ケイ酸塩、活性炭、チタニア、燐酸カルシウム等の無機燐酸塩、アルミナ、水酸化アルミニウム、水酸化マグネシウム、及びこれらの混合物が挙げられる。
活性白土は、天然に産出するモンモリロナイトを主成分とする酸性白土を硫酸や塩酸等の無機酸で熱処理して得られる、多孔質で大きな比表面積を持ち、吸着性に優れる粘土の一種である。
上記の中でも、臭気吸着性能や、臭気物質の分子サイズやクラスターサイズに対して有効な孔サイズの多孔状態を有することや安全面の観点から、活性白土や活性化ベントナイト、ゼオライトが好ましく用いられる。
(Inorganic porous body)
The inorganic porous body is a substance having a large number of pores on its surface, and is, for example, an inorganic phosphate such as activated clay, activated bentonite, zeolite, zirconium compound, silicon dioxide, silicate, activated carbon, titania, and calcium phosphate. , Alumina, aluminum hydroxide, magnesium hydroxide, and mixtures thereof.
Activated clay is a type of clay that is porous, has a large specific surface area, and has excellent adsorptivity, and is obtained by heat-treating naturally-produced acidic clay containing montmorillonite as the main component with an inorganic acid such as sulfuric acid or hydrochloric acid.
Among the above, activated clay, activated bentonite, and zeolite are preferably used from the viewpoints of odor adsorption performance, having a porous state with pore sizes effective for the molecular size and cluster size of the odorous substance, and safety.
活性白土は比表面積の大きいものが好ましく、比表面積に特に制限は無いが、比表面積５０〜４００ｍ2／ｇのものが入手し易い。ｐＨ（５％サスペンジョン）は２．５〜９が好ましく、３〜７がより好ましい。 The activated clay preferably has a large specific surface area, and the specific surface area is not particularly limited, but one having a specific surface area of 50 to 400 m 2 / g is easily available. The pH (5% suspension) is preferably 2.5-9, more preferably 3-7.
活性化ベントナイトは、Ｃａ型ベントナイトに対して数ｗｔ％の炭酸ナトリウムを加えて人工的にＮａ型化させたものであり、Ｎａ型ベントナイトに近い特性を示すものである。
ここで、ベントナイトとは、粘土鉱物であるモンモリロナイトを主成分し、不純物として石英や長石などの鉱物を含むものであり、Ｎａ+イオンを多く含むＮａ型ベントナイトと、Ｃａ2+イオンを多く含むＣａ型ベントナイトの２種類に大別される。
Activated bentonite is artificially Na-typed by adding several wt% sodium carbonate to Ca-type bentonite, and exhibits properties similar to Na-type bentonite.
Here, bentonite is mainly composed of montmorillonite, which is a clay mineral, and contains minerals such as quartz and feldspar as impurities. Na-type bentonite containing a large amount of Na + ions and Ca containing a large amount of Ca 2+ ions. It is roughly divided into two types: bentonite.
ゼオライトは、ＳｉＯ2／Ａｌ2Ｏ3を主成分とする物質であり、一般的にＳｉＯ2／Ａｌ2Ｏ3のモル比が高い程、疎水性が高くなり、本発明においては、ＳｉＯ2／Ａｌ2Ｏ3のモル比が、３０／１〜８０００／１の疎水性ゼオライトが好ましい。
疎水性ゼオライトは、シートまたはシート材料が２３０℃以上に晒された場合であっても、臭気吸着能を喪失することは無く、臭気物質の吸着による消臭効果を発揮することができる。
疎水性ゼオライトは、疎水性である為に、極性の高い水分子等は吸着し難く、逆に極性の低い、臭い分子、疎水性ガス、親油性ガス（溶剤系ガスも含む）との親和性が高く、これらを吸着し易い。更に、ゼオライト表面に存在する、Ｃａ、Ｎａ、Ｋ等のアルカリ金属、アルカリ土類金属の効果によりゼオライト表面は塩基性を示し、酸性ガスを中和反応によって吸着し易い。
Zeolites are substances mainly composed of SiO 2 / Al 2 O 3, generally higher molar ratio of SiO 2 / Al 2 O 3, the higher the hydrophobicity, in the present invention, SiO 2 / Hydrophobic zeolite having a molar ratio of Al 2 O 3 of 30/1 to 8000/1 is preferable.
Hydrophobic zeolite does not lose its odor adsorbing ability even when the sheet or sheet material is exposed to 230 ° C. or higher, and can exert a deodorizing effect by adsorbing odorous substances.
Since hydrophobic zeolite is hydrophobic, it is difficult to adsorb highly polar water molecules, etc., and conversely, it has an affinity with low-polarity odor molecules, hydrophobic gases, and lipophilic gases (including solvent-based gases). Is high and it is easy to adsorb these. Further, the zeolite surface is basic due to the effects of alkali metals such as Ca, Na and K and alkaline earth metals existing on the zeolite surface, and acid gas is easily adsorbed by a neutralization reaction.
＜防汚層＞
防汚層は、防汚性を有する層である。
防汚層は、熱可塑性樹脂を含有することが好ましく、さらには、消臭剤を含有することができる。
そして、防汚層の水蒸気透過率は、２０００ｇ／ｍ2／ｄａｙ以下が好ましい。上記範囲よりも大きい水蒸気透過率だと、防汚層を臭気や汚水が透過してしまう虞がある。下限値は低いほど好ましく、０ｇ／ｍ2／ｄａｙが最も好ましい。
また、防汚層は、ヒートシール性樹脂、粘着性樹脂、接着剤を含有して、ヒートシール性、粘着性、接着性を高めることができ、これら各々からなるヒートシール層、粘着層、接着層を有することができる。これらの層は消臭防汚シート材料の片側の表面層であることが好ましい。
防汚層は、１層構成であっても、構成が同一または異なる２層以上で構成されていてもよい。例えば、ヒートシール性の異なる３層から構成されていてもよい。特に、防汚層を防汚フィルムから形成する場合には、防汚フィルムの両面にヒートシール性の高い層を積層しておくと積層時の接着性に優れることから防汚層の形成を容易に行うことができ、且つ、防汚層が表面層である場合には、ヒートシール性に優れた消臭防汚シート材料を得ることができる。
<Anti-fouling layer>
The antifouling layer is a layer having antifouling properties.
The antifouling layer preferably contains a thermoplastic resin, and can further contain a deodorant.
The water vapor transmittance of the antifouling layer is preferably 2000 g / m 2 / day or less. If the water vapor permeability is larger than the above range, odor or sewage may permeate through the antifouling layer. The lower the lower limit, the more preferable, and 0 g / m 2 / day is most preferable.
Further, the antifouling layer contains a heat-sealing resin, an adhesive resin, and an adhesive to enhance the heat-sealing property, the adhesiveness, and the adhesiveness, and the heat-sealing layer, the adhesive layer, and the adhesive composed of each of these can be enhanced. It can have layers. These layers are preferably surface layers on one side of the deodorant and antifouling sheet material.
The antifouling layer may be composed of one layer, or may be composed of two or more layers having the same or different configurations. For example, it may be composed of three layers having different heat seal properties. In particular, when the antifouling layer is formed from an antifouling film, it is easy to form the antifouling layer because the adhesiveness at the time of laminating is excellent if layers having high heat-sealing properties are laminated on both sides of the antifouling film. When the antifouling layer is a surface layer, a deodorant antifouling sheet material having excellent heat-sealing properties can be obtained.
［防汚層中の熱可塑性樹脂］
防汚層において、上記のような水蒸気透過率を示したり、防汚性、ヒートシール性、接着性に優れたりする熱可塑性樹脂としては、ポリオレフィン系樹脂が好ましく、ポリオレフィン系の樹脂の中でもポリエチレン系樹脂がより好ましく、ポリエチレン系の樹脂の中でもＬＬＤＰＥまたはＬＤＰＥが更に好ましい。
[Thermoplastic resin in the antifouling layer]
Polyolefin-based resins are preferable as thermoplastic resins that exhibit the above-mentioned water vapor permeability in the antifouling layer and are excellent in antifouling property, heat-sealing property, and adhesiveness, and polyethylene-based resin is preferable among polyolefin-based resins. Resins are more preferable, and LLDPE or LDPE is even more preferable among polyethylene-based resins.
［粘着層］
粘着層は粘着性樹脂を含有するが、防汚層が消臭剤を含有する場合であっても、消臭剤を含有しない層である。粉体である消臭剤を含有しないことで、優れた自己粘着性を発揮することができる。
防汚層が充分な自己粘着性を有している場合には特に設ける必要が無い層であるが、
防汚層に含有される熱可塑性樹脂の粘着性が不十分であったり、消臭層に大量の消臭剤を高濃度に含有して消臭層が充分な自己粘着性を発揮できない場合に、粘着層を防汚層の外部表面に設けることによって、消臭防汚シート材料は優れた自己粘着性を有することができる。
[Adhesive layer]
The adhesive layer contains an adhesive resin, but is a layer that does not contain a deodorant even when the antifouling layer contains a deodorant. By not containing a powdery deodorant, excellent self-adhesiveness can be exhibited.
If the antifouling layer has sufficient self-adhesiveness, it is not necessary to provide it.
When the adhesiveness of the thermoplastic resin contained in the antifouling layer is insufficient, or when the deodorant layer contains a large amount of deodorant at a high concentration and the deodorant layer cannot exhibit sufficient self-adhesiveness. By providing the adhesive layer on the outer surface of the antifouling layer, the deodorant antifouling sheet material can have excellent self-adhesiveness.
粘着層は、自己粘着性を調節する為に、汎用の熱可塑性樹脂を含有することもできる。
粘着層の厚みに特に制限は無いが、１μｍ以上、３０μｍ以下が好ましい。上記範囲よりも薄いと自己粘着性を発揮し難く、上記範囲よりも厚くても自己粘着性はそれほど向上せず、粘着層が変形し易くて均質な層構成を維持し難くなり易い。
粘着性樹脂としては、ポリオレフィン系樹脂、ＥＶＡ、ＮＢＲゴム、ＳＢＲゴム等の粘着性を有するグレードが好ましく、ポリオレフィン系樹脂の粘着性を有するグレードがより好ましく、ＬＬＤＰＥの粘着性を有するグレード（以下、粘着性ＬＬＤＰＥと記載する）がさらに好ましい。
ＬＬＤＰＥは、ＪＩＳ Ｋ６８９９−１：２０００において、密度は０．９１０ｇ／ｃｍ3以上、０．９２５ｇ／ｃｍ3以下であるとされているが、本発明において、粘着性ＬＬＤＰＥは、ＬＬＤＰＥ（直鎖状低密度ポリエチレン）の中でも、特に良好な粘着性を有するＬＬＤＰＥのことであり、密度が０．８８ｇ／ｃｍ3以上、０．９１５ｇ／ｃｍ3以下のＬＬＤＰＥを指す。
密度が上記範囲よりも小さいと、粘着性が強過ぎたり、軟化点が低すぎて、層構造を維持することが困難になり易い。密度が上記範囲よりも大きいと、充分な粘着性を発揮することが困難になり易い。
粘着性は、消臭防汚シートの防汚層同士を対向して重ねて、４０℃において、０．１８ＭＰａの圧力を１２時間かけた後に、３００ｍｍ／ｍｉｎの速度で剪断方向に剥がした時の粘着力が、１．５Ｎ／１５ｍｍ以上が好ましい。
The adhesive layer can also contain a general purpose thermoplastic resin in order to adjust the self-adhesiveness.
The thickness of the adhesive layer is not particularly limited, but is preferably 1 μm or more and 30 μm or less. If it is thinner than the above range, it is difficult to exhibit self-adhesiveness, and if it is thicker than the above range, the self-adhesiveness is not so improved, and the adhesive layer is easily deformed and it is difficult to maintain a homogeneous layer structure.
As the adhesive resin, a grade having adhesiveness such as a polyolefin resin, EVA, NBR rubber, and SBR rubber is preferable, a grade having adhesiveness of the polyolefin resin is more preferable, and a grade having adhesiveness of LLDPE (hereinafter, hereafter. Adhesive LLDPE) is more preferred.
LLDPE is, JIS K6899-1: In 2000, the density is 0.910 g / cm 3 or more, but there is a is 0.925 g / cm 3 or less, in the present invention, tackiness LLDPE is, LLDPE (linear Among low-density polyethylenes), it is an LLDPE having particularly good adhesiveness, and refers to an LLDPE having a density of 0.88 g / cm 3 or more and 0.915 g / cm 3 or less.
If the density is smaller than the above range, the adhesiveness is too strong or the softening point is too low, and it tends to be difficult to maintain the layered structure. If the density is higher than the above range, it tends to be difficult to exhibit sufficient adhesiveness.
The adhesiveness is obtained when the antifouling layers of the deodorant antifouling sheet are stacked facing each other, applied at a pressure of 0.18 MPa for 12 hours at 40 ° C., and then peeled off in the shearing direction at a speed of 300 mm / min. The adhesive strength is preferably 1.5 N / 15 mm or more.
［防汚層に含有される消臭剤］
前記防汚層に含有される前記消臭剤が、無機臭気分解剤、無機多孔体、化学臭気吸着剤からなる群から選ばれる１種または２種以上を含有することを特徴とする。
（無機臭気分解剤）
無機臭気分解剤は、金属担持無機酸化物、金属酸化物、金属カチオンと無機酸アニオンからなる塩が、金属酸化物と混合されたもの等が挙げられ、具体的には、リン酸塩銅ガラスや、焼ミョウバン（ＡｌＫ（ＳＯ4）2）をＣａＯおよびＺｎＯと混合したもの等が挙げられる。
無機臭気分解剤は、無機臭気分解剤中の金属成分等がイオン化して、硫黄系悪臭物質の分解反応を促進する触媒作用を発揮する。
粉体状の金属担持無機酸化物は、原料の金属酸化物やリン化合物等を混合して、瓶ガラスなどの汎用ガラス作製と同様な常法により溶融して均質化して、冷却後に粉砕して粉体状にし、金属塩を担持することによって、得ることができる。あるいは、原料の溶融前に、金属塩を一緒に予め混合しておいてもよい。
[Deodorant contained in antifouling layer]
The deodorant contained in the antifouling layer is characterized by containing one or more selected from the group consisting of an inorganic odor decomposing agent, an inorganic porous body, and a chemical odor adsorbent.
(Inorganic odor decomposition agent)
Examples of the inorganic odor decomposing agent include a metal-supported inorganic oxide, a metal oxide, a salt composed of a metal cation and an inorganic acid anion mixed with the metal oxide, and the like, and specifically, a copper phosphate glass. Examples thereof include a mixture of baked myoban (AlK (SO 4 ) 2 ) with CaO and ZnO.
The inorganic odor decomposing agent exhibits a catalytic action that promotes the decomposition reaction of sulfur-based malodorous substances by ionizing metal components and the like in the inorganic odor decomposing agent.
The powdered metal-supported inorganic oxide is mixed with the raw material metal oxide, phosphorus compound, etc., melted and homogenized by the same method as for making general-purpose glass such as bottle glass, cooled, and then pulverized. It can be obtained by making it into a powder and supporting a metal salt. Alternatively, the metal salts may be premixed together before the raw materials are melted.
（無機多孔体）
無機多孔体は、その表面に多数の細孔を有する物質であり、例えば、活性白土や活性化ベントナイト、ゼオライト、ジルコニウム化合物、二酸化ケイ素、ケイ酸塩、活性炭、チタニア、燐酸カルシウム等の無機燐酸塩、アルミナ、水酸化アルミニウム、水酸化マグネシウム、及びこれらの混合物が挙げられる。
活性白土は、天然に産出するモンモリロナイトを主成分とする酸性白土を硫酸や塩酸等の無機酸で熱処理して得られる、多孔質で大きな比表面積を持ち、吸着性に優れる粘土の一種である。
上記の中でも、臭気吸着性能や、臭気物質の分子サイズやクラスターサイズに対して有効な孔サイズの多孔状態を有することや安全面の観点から、活性白土や活性化ベントナイト、ゼオライトが好ましく用いられる。
(Inorganic porous body)
The inorganic porous body is a substance having a large number of pores on its surface, and is, for example, an inorganic phosphate such as activated clay, activated bentonite, zeolite, zirconium compound, silicon dioxide, silicate, activated carbon, titania, and calcium phosphate. , Alumina, aluminum hydroxide, magnesium hydroxide, and mixtures thereof.
Activated clay is a type of clay that is porous, has a large specific surface area, and has excellent adsorptivity, and is obtained by heat-treating naturally-produced acidic clay containing montmorillonite as the main component with an inorganic acid such as sulfuric acid or hydrochloric acid.
Among the above, activated clay, activated bentonite, and zeolite are preferably used from the viewpoints of odor adsorption performance, having a porous state with pore sizes effective for the molecular size and cluster size of the odorous substance, and safety.
活性白土は比表面積の大きいものが好ましく、比表面積に特に制限は無いが、比表面積５０〜４００ｍ2／ｇのものが入手し易い。ｐＨ（５％サスペンジョン）は２．５〜９が好ましく、３〜７がより好ましい。 The activated clay preferably has a large specific surface area, and the specific surface area is not particularly limited, but one having a specific surface area of 50 to 400 m 2 / g is easily available. The pH (5% suspension) is preferably 2.5-9, more preferably 3-7.
活性化ベントナイトは、Ｃａ型ベントナイトに対して数ｗｔ％の炭酸ナトリウムを加えて人工的にＮａ型化させたものであり、Ｎａ型ベントナイトに近い特性を示すものである。
ここで、ベントナイトとは、粘土鉱物であるモンモリロナイトを主成分し、不純物として石英や長石などの鉱物を含むものであり、Ｎａ+イオンを多く含むＮａ型ベントナイトと、Ｃａ2+イオンを多く含むＣａ型ベントナイトの２種類に大別される。
Activated bentonite is artificially Na-typed by adding several wt% sodium carbonate to Ca-type bentonite, and exhibits properties similar to Na-type bentonite.
Here, bentonite is mainly composed of montmorillonite, which is a clay mineral, and contains minerals such as quartz and feldspar as impurities. Na-type bentonite containing a large amount of Na + ions and Ca containing a large amount of Ca 2+ ions. It is roughly divided into two types: bentonite.
ゼオライトは、ＳｉＯ2／Ａｌ2Ｏ3を主成分とする物質であり、一般的にＳｉＯ2／Ａｌ2Ｏ3のモル比が高い程、疎水性が高くなり、本発明においては、ＳｉＯ2／Ａｌ2Ｏ3のモル比が、３０／１〜８０００／１の疎水性ゼオライトが好ましい。
疎水性ゼオライトは、シートまたはシート材料が２３０℃以上に晒された場合であっても、臭気吸着能を喪失することは無く、臭気物質の吸着による消臭効果を発揮することができる。
疎水性ゼオライトは、疎水性である為に、極性の高い水分子等は吸着し難く、逆に極性の低い、臭い分子、疎水性ガス、親油性ガス（溶剤系ガスも含む）との親和性が高く、これらを吸着し易い。更に、ゼオライト表面に存在する、Ｃａ、Ｎａ、Ｋ等のアルカリ金属、アルカリ土類金属の効果によりゼオライト表面は塩基性を示し、酸性ガスを中和反応によって吸着し易い。
Zeolites are substances mainly composed of SiO 2 / Al 2 O 3, generally higher molar ratio of SiO 2 / Al 2 O 3, the higher the hydrophobicity, in the present invention, SiO 2 / Hydrophobic zeolite having a molar ratio of Al 2 O 3 of 30/1 to 8000/1 is preferable.
Hydrophobic zeolite does not lose its odor adsorbing ability even when the sheet or sheet material is exposed to 230 ° C. or higher, and can exert a deodorizing effect by adsorbing odorous substances.
Since hydrophobic zeolite is hydrophobic, it is difficult to adsorb highly polar water molecules, etc., and conversely, it has an affinity with low-polarity odor molecules, hydrophobic gases, and lipophilic gases (including solvent-based gases). Is high and it is easy to adsorb these. Further, the zeolite surface is basic due to the effects of alkali metals such as Ca, Na and K and alkaline earth metals existing on the zeolite surface, and acid gas is easily adsorbed by a neutralization reaction.
（化学臭気吸着剤）
本発明において、化学臭気吸着剤とは、臭気物質と化学反応を起こして結合する反応性官能基を有する化合物であり、例えば、種々のアルデヒド類、ケトン類、カルボン酸類等の臭気物質と結合する反応性を有する官能基を有する化合物である。
この際、化学吸着であることにより、一旦吸着した臭気物質は脱離することがなく、効率的に臭気吸着を行うことができる。
さらに、臭気と水蒸気とが同一の吸着部位に吸着される物理吸着剤とは異なり、臭気物質は化学臭気吸着剤の特定の官能基と結合するため、臭気吸着能を低下させる種々の物質、例えば水蒸気等の影響を受けにくい。
(Chemical odor adsorbent)
In the present invention, the chemical odor adsorbent is a compound having a reactive functional group that chemically reacts with an odorous substance to bind to it, and for example, binds to an odorous substance such as various aldehydes, ketones, and carboxylic acids. It is a compound having a reactive functional group.
At this time, due to the chemical adsorption, the odorous substance once adsorbed is not desorbed, and the odor adsorption can be efficiently performed.
Furthermore, unlike physical adsorbents in which odor and water vapor are adsorbed on the same adsorption site, odorous substances bind to specific functional groups of chemical odor adsorbents, so that various substances that reduce the ability to adsorb odors, such as Not easily affected by water vapor.
このような化学臭気吸着剤としては、アミノ基を含有する化合物、例えばアルキルアミン、テトラメチレンジアミン等のポリアミン、エタノールアミン、ピペリジン、ヒドロキシル基等の塩基性官能基を有する化合物、例えば、水酸化ナトリウム、水酸化カリウム、水酸化マグネシウム、水酸化鉄等の水酸化物、炭酸ナトリウム、炭酸水素ナトリウム、炭酸カルシウム等の炭酸塩、炭酸水素塩、２‐アクリルアミド‐２‐メチルプロパンスルホン酸等のアミド基含有化合物等が挙げられが、これらに限定されない。
例えば、化学臭気吸着剤のヒドロキシル基は、臭気物質のカルボキシル基と化学反応を起こし、化学臭気吸着剤のアミノ基は、臭気物質のアルデヒド基と化学反応を起こしし、臭気象物質を吸着し易い。
上記の中でも、アミノ基を有する化合物、例えばポリアミン、例えばエチレンジアミン、ジエチレントリアミン、トリエチレントリアミン、テトラエチレンペンタミン、ピペラジン、メタフェニレンジアミン等が特に優れた吸着効果を発揮する。
Examples of such a chemical odor adsorbent include compounds containing an amino group, for example, polyamines such as alkylamines and tetramethylenediamine, and compounds having basic functional groups such as ethanolamine, piperidine, and hydroxyl groups, for example, sodium hydroxide. , Hydroxides such as potassium hydroxide, magnesium hydroxide and iron hydroxide, carbonates such as sodium carbonate, sodium hydrogencarbonate and calcium carbonate, hydrogencarbonates and amide groups such as 2-acrylamide-2-methylpropanesulfonic acid. Examples include, but are not limited to, contained compounds.
For example, the hydroxyl group of a chemical odor adsorbent causes a chemical reaction with the carboxyl group of an odorous substance, and the amino group of a chemical odor adsorbent causes a chemical reaction with an aldehyde group of an odorous substance, and easily adsorbs odorous meteorological substances. ..
Among the above, compounds having an amino group, such as polyamines such as ethylenediamine, diethylenetriamine, triethylenetriamine, tetraethylenepentamine, piperazine, and metaphenylenediamine, exhibit particularly excellent adsorption effects.
化学臭気吸着剤は、無機多孔体に担持させて用いることが好ましい。担持させる無機多孔体としては、上記の無機多孔体の中でもゼオライト、ジルコニウム化合物が好ましい。
担持方法としては、公知または慣用の担持方法を適用することができ、例えば、化学臭気吸着剤を含有する溶液を、無機多孔体に含浸させて、乾燥することにより、担持させることができる。
化学臭気吸着剤を無機多孔体に担持させることにより、化学臭気吸着剤の単位質量当たりの吸着能を大幅に高めることができ、積層体中の化学臭気吸着剤の含有率を減らすことができる。また無機多孔体の孔部分に対する物理吸着特性も期待できる。また、化学臭気吸着剤を粉体として扱うことができる。
The chemical odor adsorbent is preferably used by being supported on an inorganic porous body. Among the above-mentioned inorganic porous bodies, zeolite and zirconium compounds are preferable as the inorganic porous body to be supported.
As a supporting method, a known or conventional supporting method can be applied. For example, it can be supported by impregnating an inorganic porous body with a solution containing a chemical odor adsorbent and drying it.
By supporting the chemical odor adsorbent on the inorganic porous body, the adsorptive capacity of the chemical odor adsorbent per unit mass can be significantly increased, and the content of the chemical odor adsorbent in the laminate can be reduced. In addition, physical adsorption characteristics for the pores of the inorganic porous body can be expected. In addition, the chemical odor adsorbent can be treated as a powder.
＜＜消臭防汚シート資材＞＞
消臭防汚シート資材は、本発明の壁紙用の消臭防汚シート材料を用いて作製したシート資材であり、消臭性と防汚性とを有し、必要に応じてヒートシール性、自己粘着性、接着性等を有することができる。
消臭防汚シート資材の具体例としては、消臭防汚シート材料のロール巻等が挙げられる。
<< Deodorant and antifouling sheet material >>
The deodorant and antifouling sheet material is a sheet material produced by using the deodorant and antifouling sheet material for wallpaper of the present invention, has deodorant and antifouling properties, and has heat-sealing properties as necessary. It can have self-adhesiveness, adhesiveness, and the like.
Specific examples of the deodorant and antifouling sheet material include roll winding of the deodorant and antifouling sheet material.
＜＜消臭防汚壁紙＞＞
消臭防汚壁紙は、本発明の消臭防汚シート材料を用いて作製した壁紙であり、消臭性と防汚性とを有し、必要に応じてヒートシール性、自己粘着性、接着性等を有することができる。
<< Deodorant and antifouling wallpaper >>
The deodorant and antifouling wallpaper is a wallpaper produced by using the deodorant and antifouling sheet material of the present invention, has deodorant and antifouling properties, and has heat sealability, self-adhesiveness, and adhesion as required. Can have sex and the like.
＜原材料＞
実施例に用いた原料の詳細は下記の通りである。
［消臭剤］
（化学臭気吸着剤）
・化学臭気吸着剤１：東亞合成（株）社製アミノ基含有化合物担持無機多孔体、ケスモンＮＳ−２４１。平均粒子径３．５μｍ。
・化学臭気吸着剤２：東亞合成（株）社製ヒドロキシル基担持ジルコニウム、ケスモンＮＳ−８０Ｅ。平均粒子径２μｍ。
・化学臭気吸着剤３：東亞合成（株）社製、リン酸ジルコニウム化合物、ケスモンＮＳ−１０。平均粒子径１μｍ。
（無機臭気分解剤）
・無機臭気分解剤１：石塚硝子（株）社製、銅混錬硝子、デオグラ。平均粒子径＝３〜４μｍ。
・無機臭気分解剤２：（株）シナネンゼオミック社製、酸化銅・酸化亜鉛複合化アルミノケイ酸、ダッシュライトＣＺＵ。平均粒子径＝３〜５μｍ。
・無機臭気分解剤３：大日精化工業（株）社製、ＡｌＫ（ＳＯ4）2とＣａＯとＺｎＯの混合物／ＬＤＰＥ＝３０／７０質量比のマスターバッチダイムシュー。
（無機多孔体）
・無機多孔体１：水澤化学工業（株）社製、活性白土、ガレオンアースＳＨ。平均粒子径＝５μｍ。
・無機多孔体２：水澤化学工業（株）社製、ゼオライト、シルトンＭＴ１００。ＳｉＯ2／ＡＬ2Ｏ3モル比＝１００／１、平均粒子径３〜４．５μｍ。
<Raw materials>
Details of the raw materials used in the examples are as follows.
[Deodorants]
(Chemical odor adsorbent)
-Chemical odor adsorbent 1: Kesmon NS-241, an amino group-containing compound-supported inorganic porous body manufactured by Toagosei Co., Ltd. Average particle size 3.5 μm.
-Chemical odor adsorbent 2: Hydroxy group-supported zirconium manufactured by Toagosei Co., Ltd., Kesmon NS-80E.
-Chemical odor adsorbent 3: Zirconium phosphate compound, Kesmon NS-10, manufactured by Toagosei Co., Ltd.
(Inorganic odor decomposition agent)
-Inorganic odor decomposition agent 1: Copper kneaded glass manufactured by Ishizuka Glass Co., Ltd., Deogra. Average particle size = 3-4 μm.
-Inorganic odor decomposing agent 2: Copper oxide / zinc oxide composite aluminosilicate, dash light CZU manufactured by Sinanen Zeomic Co., Ltd. Average particle size = 3-5 μm.
-Inorganic odor decomposing agent 3: A master batch dime shoe manufactured by Dainichi Seika Kogyo Co., Ltd., which is a mixture of AlK (SO 4 ) 2 , CaO and ZnO / LDPE = 30/70 mass ratio.
(Inorganic porous body)
-Inorganic porous body 1: Made by Mizusawa Industrial Chemicals, Inc., activated clay, galleon earth SH. Average particle size = 5 μm.
-Inorganic porous body 2: Zeolite, Silton MT100 manufactured by Mizusawa Industrial Chemicals, Inc. SiO 2 / AL 2 O 3 molar ratio = 100/1,
［ガス透過布］
・ガス透過布１：ユニチカ（株）社製、エルブス。目付量；４０ｇ／ｍ2、スパンボンドタイプ、ポリエステル‐ポリエチレン２重構造繊維使用。
・ガス透過布２：三和製紙（株）社製、サンモアソフト。目付量；７０ｇ／ｍ2、長繊維湿式不織布タイプ、パルプ‐ポリエチレン‐ポリプロピレン複合繊維使用。
・ガス透過布３：東洋紡（株）社製、エクレール３４０１Ａ。目付量；４０ｇ／ｍ2、スパンボンドタイプ、ポリエステル系繊維使用。
[Gas permeable cloth]
-Gas permeable cloth 1: Elves manufactured by Unitika Ltd. Metsuke amount: 40 g / m 2 , spunbond type, polyester-polyethylene double structure fiber used.
-Gas permeable cloth 2: Sunmore Soft, manufactured by Sanwa Paper Co., Ltd. Metsuke amount: 70 g / m 2 , long fiber wet non-woven fabric type, pulp-polyethylene-polypropylene composite fiber used.
-Gas permeable cloth 3: Eclair 3401A manufactured by Toyobo Co., Ltd. Metsuke amount: 40 g / m 2 , spunbond type, polyester fiber used.
［ヒートシール性熱可塑性樹脂、熱可塑性樹脂、ＥＣ用接着剤］
・ＬＬＤＰＥ１：、プライムポリマー（株）社製ＬＬＤＰＥ、エボリューＳＰ０５１１。密度０．９０３ｇ／ｃｍ3、ＭＦＲ１．２ｇ／１０分、水蒸気透過率３３ｇ／ｍ2／ｄａｙ（５０μｍフィルムで評価）。
・ＬＬＤＰＥ２：プライムポリマー（株）社製ＬＬＤＰＥ、ウルトゼックス１５２０Ｌ、密度０．９１６ｇ／ｃｍ3、ＭＦＲ２．３ｇ／１０分、水蒸気透過率２３ｇ／ｍ2／ｄａｙ（５０μｍフィルムで評価）。
・ＬＤＰＥ１：日本ポリエチレン（株）社製ＬＤＰＥ、ノバテックＬＣ６００Ａ。密度０．９１８ｇ／ｃｍ3、ＭＦＲ７．０ｇ／１０分。
・ＬＤＰＥ２：日本ポリエチレン（株）社製ＬＤＰＥ、ノバテックＬＣ５２０。ＭＦＲ３．６ｇ／１０分、密度０．９２３ｇ／ｃｍ3。
[Heat-sealable thermoplastic resin, thermoplastic resin, adhesive for EC]
-LLDPE1: LLDPE manufactured by Prime Polymer Co., Ltd., Evolu SP0511. Density 0.903 g / cm 3 , MFR 1.2 g / 10 min, water vapor permeability 33 g / m 2 / day (evaluated on 50 μm film).
LLDPE2: LLDPE manufactured by Prime Polymer Co., Ltd., Ultozex 1520L, density 0.916 g / cm 3 , MFR 2.3 g / 10 minutes, water vapor permeability 23 g / m 2 / day (evaluated on a 50 μm film).
-LDPE1: LDPE manufactured by Japan Polyethylene Corporation, Novatec LC600A. Density 0.918 g / cm 3 , MFR 7.0 g / 10 minutes.
-LDPE2: LDPE manufactured by Japan Polyethylene Corporation, Novatec LC520. MFR 3.6 g / 10 minutes, density 0.923 g / cm 3 .
＜マスターバッチの調製＞
マスターバッチを下記のように調整した。
［マスターバッチ１の調整］
ＬＤＰＥ１と、化学臭気吸着剤１とを下記割合でメルトブレンドし、マスターバッチ１（ＭＢ１）を得た。
ＬＤＰＥ１ ９０質量部
化学臭気吸着剤１ １０質量部
［マスターバッチ２〜１３の調整］
表１の配合に従って、マスターバッチ１と同様に、メルトブレンドし、マスターバッチ２〜１２（ＭＢ２〜１３）を得た。
<Preparation of masterbatch>
The masterbatch was adjusted as follows.
[Adjustment of Masterbatch 1]
LDPE1 and the
LDPE1 90 parts by mass
According to the formulation shown in Table 1,
＜実施例１＞
［防汚層用フィルムの作製］
上記で得たＭＢ１、ＭＢ２、ＭＢ３とＬＬＤＰＥ１とを下記割合でドライブレンドして、消臭層樹脂組成物１を得た。
マスターバッチ１ １６．７質量部
マスターバッチ２ ３３．３質量部
マスターバッチ３ ３３．３質量部
ＬＬＤＰＥ１ １６．７質量部
そして、上記で得た消臭層樹脂組成物１と、ヒートシール層用のＬＬＤＰＥ１とを、１６０℃でインフレーション製膜によって積層し、下記３層構成の防汚層用フィルム１を得た。
ヒートシール層１（１０μｍ）／消臭層（３０μｍ）／ヒートシール層２（１０μｍ）
［消臭防汚シートの作製］
次に、ガス透過布１と、上記で得られた防汚層用フィルム１とを、ＬＤＰＥ１を用いてエクストルージョンコート法により３２０℃で接着して、下記層構成の消臭防汚シートを得て、臭気吸着性能、防汚特性を評価した。
ガス透過布層（４０ｇ／ｍ2）／押出接着層（１５μｍ）／防汚層［ヒートシール層１（１０μｍ）／消臭層（３０μｍ）／ヒートシール層２（１０μｍ）］
<Example 1>
[Preparation of antifouling layer film]
The MB1, MB2, MB3 and LLDPE1 obtained above were dry-blended at the following ratios to obtain a deodorant
Heat seal layer 1 (10 μm) / Deodorant layer (30 μm) / Heat seal layer 2 (10 μm)
[Making deodorant and antifouling sheet]
Next, the gas
Gas permeable cloth layer (40 g / m 2 ) / extrusion adhesive layer (15 μm) / antifouling layer [heat seal layer 1 (10 μm) / deodorant layer (30 μm) / heat seal layer 2 (10 μm)]
＜実施例２〜１０＞
表２、表３の記載に従ってマスターバッチを選択して用いて防汚層消臭層樹脂組成物を作製し、ガス透過布を選択し、実施例１と同様に操作して、防汚層用フィルム、消臭防汚シートを作製し、同様に評価した。
<Examples 2 to 10>
An antifouling layer deodorant layer resin composition is prepared by selecting and using a master batch according to the description in Tables 2 and 3, a gas permeable cloth is selected, and the same operation as in Example 1 is performed for the antifouling layer. A film and a deodorant and antifouling sheet were prepared and evaluated in the same manner.
＜実施例１１＞
［押出接着層樹脂組成物の作製］
上記で得たＭＢ４、ＭＢ８とＬＤＰＥ２とを下記割合でドライブレンドして、押出接着層樹脂組成物１１を得た。
マスターバッチ４ ３３．３質量部
マスターバッチ８ ５０質量部
ＬＤＰＥ２ １６．７質量部
［防汚層用フィルムの作製］
ＬＬＤＰＥ１を、１６０℃でインフレーション製膜によって製膜し、５０μｍの防汚層用フィルム１１を得た。
［消臭防汚シートの作製］
次に、ガス透過布１と、上記で得られた防汚層用フィルム１１とを、上記で得られた押出接着層樹脂組成物１１を用いてエクストルージョンコート法により３２０℃で接着して、下記層構成の消臭防汚シートを得て、実施例１と同様に評価した。
ガス透過布層（４０ｇ／ｍ2）／押出接着層（２０μｍ）／防汚層（５０μｍ）
<Example 11>
[Preparation of Extruded Adhesive Layer Resin Composition]
The MB4, MB8 and LDPE2 obtained above were dry-blended at the following ratios to obtain an extruded adhesive layer resin composition 11.
LLDPE1 was formed by inflation film formation at 160 ° C. to obtain a 50 μm antifouling layer film 11.
[Making deodorant and antifouling sheet]
Next, the gas
Gas permeable cloth layer (40 g / m 2 ) / extrusion adhesive layer (20 μm) / antifouling layer (50 μm)
＜実施例１２〜１６＞
表３、表４の記載に従ってマスターバッチを選択して用いて押出接着層樹脂組成物を作製し、実施例１１と同様に操作して、防汚層用フィルム、消臭防汚シートを作製し、同様に評価した。
<Examples 12 to 16>
An extruded adhesive layer resin composition is prepared by selecting and using a masterbatch according to the description in Tables 3 and 4, and the same operation as in Example 11 is carried out to prepare a film for an antifouling layer and a deodorant antifouling sheet. , Evaluated in the same way.
＜実施例１７＞
［押出接着層樹脂組成物の作製］
上記で得たＭＢ４、ＭＢ８とＬＤＰＥ２とを下記割合でドライブレンドして、押出接着層樹脂組成物１７を得た。
マスターバッチ４ ３３．３質量部
マスターバッチ８ ５０質量部
ＬＤＰＥ２ １６．７質量部
［防汚層用フィルムの作製］
上記で得たＭＢ１、ＭＢ２、ＭＢ３とＬＬＤＰＥ１とを下記割合でドライブレンドして、消臭層樹脂組成物１７を得た。
マスターバッチ１ １６．７質量部
マスターバッチ２ ３３．３質量部
マスターバッチ３ ３３．３質量部
ＬＬＤＰＥ１ １６．７質量部
そして、上記で得た消臭層用の消臭層樹脂組成物１７と、ヒートシール層用のＬＬＤＰＥ１とを、１６０℃でインフレーション製膜によって積層し、下記３層構成の防汚層用フィルム１７を得た。
ヒートシール層１（１０μｍ）／消臭層（３０μｍ）／ヒートシール層２（１０μｍ）
［消臭防汚シートの作製］
次に、ガス透過布１と、上記で得られた防汚層用フィルム１７とを、上記で得られた押出接着層樹脂組成物１７を用いてエクストルージョンコート法により３２０℃で接着して、下記層構成の消臭防汚シートを得て、実施例１と同様に評価した。
ガス透過層（４０ｇ／ｍ2）／押出接着層（２０μｍ）／防汚層［ヒートシール層１（１０μｍ）／消臭層（３０μｍ）／ヒートシール層２（１０μｍ）］
<Example 17>
[Preparation of Extruded Adhesive Layer Resin Composition]
The MB4, MB8 and LDPE2 obtained above were dry-blended at the following ratios to obtain an extruded adhesive layer resin composition 17.
The MB1, MB2, MB3 and LLDPE1 obtained above were dry-blended at the following ratios to obtain a deodorant layer resin composition 17.
Heat seal layer 1 (10 μm) / Deodorant layer (30 μm) / Heat seal layer 2 (10 μm)
[Making deodorant and antifouling sheet]
Next, the gas
Gas permeable layer (40 g / m 2 ) / extrusion adhesive layer (20 μm) / antifouling layer [heat seal layer 1 (10 μm) / deodorant layer (30 μm) / heat seal layer 2 (10 μm)]
＜実施例１８、１９＞
表４の記載に従ってマスターバッチを選択して用いて、押出接着層樹脂組成物と防汚層の消臭層樹脂組成物を作製し、実施例１７と同様に操作して、防汚層用フィルム、消臭防汚シートを作製し、同様に評価した。
<Examples 18 and 19>
The extruded adhesive layer resin composition and the deodorant layer resin composition of the antifouling layer were prepared by selecting and using the masterbatch according to the description in Table 4, and operated in the same manner as in Example 17 to prepare the antifouling layer film. , A deodorant and antifouling sheet was prepared and evaluated in the same manner.
＜比較例１＞
押出接着層と防汚層を形成せず、ガス透過層のガス透過布１のみを使用し、実施例１と同様に評価した。
<Comparative example 1>
Only the gas
＜比較例２＞
押出接着層をＬＤＰＥ２で形成したこと以外は、実施例１と同様の操作を行い、防汚層用フィルム、消臭防汚シートを作製し、同様に評価した。
<Comparative example 2>
The same operation as in Example 1 was performed except that the extruded adhesive layer was formed of LDPE2, and a film for an antifouling layer and a deodorant antifouling sheet were produced and evaluated in the same manner.
＜比較例３＞
ガス透過布３を使用した以外は、実施例１７と同様の操作を行い、防汚層用フィルム、消臭防汚シートを作製し、同様に評価した。
<Comparative example 3>
The same operation as in Example 17 was carried out except that the gas
＜結果まとめ＞
本願発明の実施例の消臭防汚シートは、良好なラミネート特性、消臭性能、防汚特性を示した。一方、本願発明に該当しない比較例１〜４では、ラミネート特性、消臭性能、防汚特性の何れかの特性で不十分な性能を示した。
<Summary of results>
The deodorant and antifouling sheet according to the embodiment of the present invention exhibited good laminating properties, deodorizing performance, and antifouling properties. On the other hand, in Comparative Examples 1 to 4 which do not correspond to the present invention, any one of the lamination property, the deodorant property, and the antifouling property showed insufficient performance.
＜評価方法＞
［ラミネート特性］
○：押出接着剤層を介したガス透過層／消臭防汚層間の接着性が良好である。
×：押出接着剤層を介したガス透過層／消臭防汚層間の接着性が弱く、容易に剥がれる。
<Evaluation method>
[Laminating characteristics]
◯: Good adhesiveness between the gas permeable layer / deodorant and antifouling layer via the extruded adhesive layer.
X: The adhesiveness between the gas permeable layer / deodorant and antifouling layer via the extruded adhesive layer is weak and can be easily peeled off.
［消臭性能］
消臭防汚シートを２０×２０ｃｍにカットし、１０００ｍｌをガスサンプリングバック（層構成：ＩＢ−ＰＥＴ−ＰＩＲ１２μｍ／接着層／ＯＮｙ１５μｍ／接着層／ＬＬＤＰＥフィルム６０μｍ）に入れ、２日放置後の臭気変化を官能評価により測定した。臭気成分としては、アセトアルデヒド：２００ｐｐｍ、酢酸：３０ｐｐｍ、硫化水素：２０ｐｐｍ、アンモニア：３０ｐｐｍとなる様に調整した。
評価基準は以下のとおりである。
・１＝初期と変化無く臭い。
・２＝初期から多少臭いが緩和された。
・３＝初期と比較して大幅に臭いが緩和された。
・４＝全く臭いがしない。
[Deodorant performance]
Cut the deodorant and antifouling sheet to 20 x 20 cm, put 1000 ml in a gas sampling bag (layer structure: IB-PET-PIR 12 μm / adhesive layer / ONy 15 μm / adhesive layer / LLDPE film 60 μm), and change the odor after leaving for 2 days. Was measured by sensory evaluation. The odor components were adjusted to be acetaldehyde: 200 ppm, acetic acid: 30 ppm, hydrogen sulfide: 20 ppm, and ammonia: 30 ppm.
The evaluation criteria are as follows.
・ 1 = Smell without change from the initial stage.
・ 2 = The odor was alleviated from the beginning.
・ 3 = The odor was significantly reduced compared to the initial stage.
・ 4 = No smell at all.
［防汚特性］
消臭防汚シートのガス透過層側を内面にして、インパルスシーラーにより４方シールを行い、１３ｃｍ×１７ｃｍのパウチを作製し、このパウチ内に１００ｍｌの水を充填し、１時間保管後における漏れの有無を評価した。
〇：パウチから水漏れが無く、充填水が維持された。
×：パウチから水漏れが発生。
[Anti-fouling characteristics]
With the gas permeation layer side of the deodorant and antifouling sheet as the inner surface, seal on four sides with an impulse sealer to prepare a pouch of 13 cm x 17 cm, fill this pouch with 100 ml of water, and leak after storage for 1 hour. Was evaluated.
〇: There was no water leakage from the pouch, and the filled water was maintained.
×: Water leaks from the pouch.
１ 消臭防汚シート
２ ガス透過層
３ 押出接着層
４ 防汚層
４ａ ヒートシール層
４ｂ 消臭層
４ｃ 粘着層、接着層
1
Claims (10)
該ガス透過層は、該消臭防汚シート材料の片面の表面層であり、繊維材料を用いた布からなる層であり、
該ガス透過層と該押出接着層とは隣接しており、
該押出接着層および／または該防汚層は、消臭剤を含有し、
該押出接着層は、ポリオレフィン系樹脂を含有することを特徴とする、壁紙用の消臭防汚シート材料。 A deodorant and antifouling sheet material for wallpaper having at least a gas permeable layer, an extruded adhesive layer, and an antifouling layer.
The gas permeable layer is a one-sided surface layer of the deodorant and antifouling sheet material, and is a layer made of a cloth using a fiber material.
The gas permeable layer and the extruded adhesive layer are adjacent to each other.
The extruded adhesive layer and / or the antifouling layer contains a deodorant and
The extruded adhesive layer is a deodorant and antifouling sheet material for wallpaper, which comprises a polyolefin resin.
請求項１に記載の、消臭防汚シート材料。 The deodorant contained in the extrusion adhesive layer is characterized by containing one or more selected from the group consisting of an inorganic odor decomposing agent and an inorganic porous body.
The deodorant and antifouling sheet material according to claim 1.
請求項１に記載の、消臭防汚シート材料。 The deodorant contained in the antifouling layer is characterized by containing one or more selected from the group consisting of an inorganic odor decomposing agent, an inorganic porous body, and a chemical odor adsorbent.
The deodorant and antifouling sheet material according to claim 1.
請求項１〜３の何れか１項に記載の、消臭防汚シート材料。 The content of the deodorant in the layer containing the deodorant is 0.1% by mass or more and 30% by mass or less.
The deodorant and antifouling sheet material according to any one of claims 1 to 3.
請求項１〜４の何れか１項に記載の、消臭防汚シート材料。 The deodorant has a maximum particle diameter of 25 μm or less and a number average particle diameter of 0.05 μm or more and 20 μm or less.
The deodorant and antifouling sheet material according to any one of claims 1 to 4.
前記粘着性樹脂が、０．８８ｇ／ｃｍ3以上、０．９１５ｇ／ｃｍ3以下の密度を有する、ＬＬＤＰＥを含有することを特徴とする、
請求項１〜５の何れか１項に記載の、消臭防汚シート材料。 The antifouling layer contains an adhesive resin, has self-adhesiveness, and is a surface layer on one side of the deodorant antifouling sheet.
The adhesive resin, 0.88 g / cm 3 or more, having a density of 0.915 g / cm 3 or less, characterized by containing the LLDPE,
The deodorant and antifouling sheet material according to any one of claims 1 to 5.
請求項６に記載の、消臭防汚シート材料。 Adhesive strength when the antifouling layers of the deodorant antifouling sheet are overlapped with each other and peeled off in the shearing direction at a speed of 300 mm / min after applying a pressure of 0.18 MPa at 40 ° C. for 12 hours. Is characterized by being 1.5 N / 15 mm or more.
The deodorant and antifouling sheet material according to claim 6.
請求項１〜７の何れか１項に記載の、消臭防汚シート材料。 The antifouling layer is characterized by having a water vapor permeability of 2000 g / m 2 / day or less.
The deodorant and antifouling sheet material according to any one of claims 1 to 7.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0710708A (en) * | 1993-04-26 | 1995-01-13 | Sumitomo Chem Co Ltd | Chemicals-containing air-permeable film and its production |
| WO2005046744A1 (en) * | 2003-11-14 | 2005-05-26 | Idemitsu Technofine Co., Ltd. | Deodorant and deodorizing article |
| JP2007300957A (en) * | 2006-05-08 | 2007-11-22 | Toyobo Co Ltd | Adsorbent sheet |
| JP2008149634A (en) * | 2006-12-19 | 2008-07-03 | Aichi Plastics Kogyo Kk | Multi-layer hot-melt film |
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2019
- 2019-03-29 JP JP2019068774A patent/JP7367327B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0710708A (en) * | 1993-04-26 | 1995-01-13 | Sumitomo Chem Co Ltd | Chemicals-containing air-permeable film and its production |
| WO2005046744A1 (en) * | 2003-11-14 | 2005-05-26 | Idemitsu Technofine Co., Ltd. | Deodorant and deodorizing article |
| JP2007300957A (en) * | 2006-05-08 | 2007-11-22 | Toyobo Co Ltd | Adsorbent sheet |
| JP2008149634A (en) * | 2006-12-19 | 2008-07-03 | Aichi Plastics Kogyo Kk | Multi-layer hot-melt film |
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