JP5120895B2 - Allergen reduced wallpaper - Google Patents
Allergen reduced wallpaper Download PDFInfo
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- JP5120895B2 JP5120895B2 JP2008324185A JP2008324185A JP5120895B2 JP 5120895 B2 JP5120895 B2 JP 5120895B2 JP 2008324185 A JP2008324185 A JP 2008324185A JP 2008324185 A JP2008324185 A JP 2008324185A JP 5120895 B2 JP5120895 B2 JP 5120895B2
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- 239000013566 allergen Substances 0.000 title claims description 66
- 239000002344 surface layer Substances 0.000 claims description 32
- 239000003463 adsorbent Substances 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 25
- 239000002734 clay mineral Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000440 bentonite Substances 0.000 claims description 10
- 229910000278 bentonite Inorganic materials 0.000 claims description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 10
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 7
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 claims description 3
- 229910000271 hectorite Inorganic materials 0.000 claims description 3
- -1 hydelite Chemical compound 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000012855 volatile organic compound Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 208000026935 allergic disease Diseases 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000013573 pollen allergen Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 208000001840 Dandruff Diseases 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 description 1
- 238000002965 ELISA Methods 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 206010039085 Rhinitis allergic Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- 201000010105 allergic rhinitis Diseases 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 description 1
- 235000005487 catechin Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229950001002 cianidanol Drugs 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 231100000676 disease causative agent Toxicity 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
Description
本発明は、壁紙、襖等のシート状内装材に、粘土鉱物からなるアレルゲン吸着剤を塗布し、室内において、壁や襖等に自然対流のうちに付着したハウスダストや花粉等のアレルゲンを不活化するようにした技術に関するものである。 In the present invention, an allergen adsorbent composed of clay minerals is applied to a sheet-like interior material such as wallpaper or straw to prevent allergens such as house dust and pollen adhering to walls and straws from natural convection in the room. It is related to the technology to be activated.
近年、住宅の高気密化にともない、臭いやハウスダストといわれる塵が室内にこもりやすい構造の住宅になっており、これらの塵がアレルギーを引き起こす原因であるアレルゲンとなり、アトピー性皮膚炎、気管支喘息、アレルギー性鼻炎などのアレルギー疾患の症状を多く発症しているといわれている。また、花粉の季節に、扉を開放した時に、屋外から室内に入り込む花粉等のアレルゲンもアレルギー疾患の原因といわれている。 In recent years, with the increase in airtightness of houses, the so-called odor and house dust has become a house with a structure that tends to be trapped indoors. It is said that many symptoms of allergic diseases such as allergic rhinitis have developed. In addition, allergens such as pollen that enter the room from the outside when the door is opened during the pollen season are also said to cause allergic diseases.
アレルゲンには種々なタイプがあり、ダニ（虫体、死骸、抜け殻、糞）、カビ、ペット（毛、フケ）、花粉などがあげられ、アレルギー疾患の主な原因物質として考えられている。これらのアレルゲン対策としては、アレルゲンを室内に入れないようにしたり、入ってしまったアレルゲンを取り除いたり、不活性化する方法が開示されている。 There are various types of allergens, including mites (parasites, carcasses, shells, feces), molds, pets (hair, dandruff), pollen, and the like, which are considered as the main causative agents of allergic diseases. As countermeasures against these allergens, methods are disclosed in which allergens are prevented from entering the room, allergens that have entered are removed, or inactivated.
例えば、エアコンや空気清浄機等を使った消臭、脱臭、集塵が行なわれるようになり、フィルター等によって空気中のアレルゲンを捕集する方法が提案されている。しかし、これらの方法は、室内の空気中に浮遊するアレルギー疾患の原因物質には有効ではあるが、床表面や壁表面にあるアレルゲン原因物質にまで効果が発揮されることはない。 For example, deodorization, deodorization, and dust collection using an air conditioner, an air purifier, and the like are performed, and a method for collecting allergens in the air using a filter or the like has been proposed. However, these methods are effective for causative substances of allergic diseases floating in indoor air, but are not effective even for allergen causative substances on the floor surface or wall surface.
また、ダニ（虫体、死骸、抜け殻、糞）、カビ、ペット（毛、フケ）等のアレルゲンは床面に堆積することが多く、出願人は特許文献１において、カーペットの基布上面にアレルゲン低減化物質を塗布し、カーペットに集積する様々なアレルゲンを低減するのに有効な方法を提案している。 In addition, allergens such as mites (insects, carcasses, shells, feces), molds, pets (hair, dandruff) and the like are often deposited on the floor surface. It has been proposed to apply a reducing material and to reduce the various allergens that accumulate on the carpet.
また、特許文献２においては、消臭、抗菌効果を奏するカテキン等の可溶性有機物からセラミック可溶性有機物を作成し、和紙や塩化ビニル、不織布等からなる壁紙のトップコート剤に混合して使用することにより、強固に固着して、長期にわたって抗菌、消臭効果を奏することが可能な技術を開示している。 Moreover, in patent document 2, ceramic soluble organic substance is created from soluble organic substances, such as catechin which has a deodorizing and antibacterial effect, and it mixes and uses it for the topcoat agent of the wallpaper which consists of Japanese paper, a vinyl chloride, a nonwoven fabric, etc. It discloses a technology that can be firmly fixed and have antibacterial and deodorizing effects over a long period of time.
しかしながら、上記の方法でのアレルゲン低減化物質は、そのほとんどがポリフェノールの一種であり、その効果は、認められるものの、製造工程で高温の加工工程を通過すると、色変化があり、壁装等の表面に加工するには不向きなものであった。本発明は、近年の清潔志向の高まりを踏まえ、空気中に浮遊して室内に侵入した花粉アレルゲンや、床から舞い上がるハウスダストのアレルゲンに対し、有効なアレルゲン低減化機能を発現する壁紙を提供することを課題とする。 However, the allergen-reducing substance in the above method is mostly a kind of polyphenol, and although its effect is recognized, there is a color change when it passes through a high-temperature processing step in the production process, such as wall covering. It was unsuitable for processing on the surface. In light of the recent increase in cleanliness, the present invention provides a wallpaper that exhibits an effective allergen-reducing function for pollen allergens that float in the air and enter the room, or house dust allergens that soar from the floor. This is the issue.
本発明は、上記課題を達成するために、以下の手段を提供する。 The present invention provides the following means in order to achieve the above object.
［１］セルロース系繊維からなる基材層に熱可塑性樹脂シートからなる表面層を積層した壁紙において、前記表面層上に、粘土鉱物からなるアレルゲン吸着剤がバインダー樹脂により固着されていることを特徴とする壁紙。 [1] A wallpaper in which a surface layer made of a thermoplastic resin sheet is laminated on a base material layer made of cellulosic fibers, and an allergen adsorbent made of clay mineral is fixed on the surface layer by a binder resin. Wallpaper.
［２］前記表面層が発泡塩化ビニル製樹脂シートからなることを特徴とする前項１に記載の壁紙。 [2] The wallpaper according to item 1 above, wherein the surface layer is made of a foamed vinyl chloride resin sheet.
［３］前記粘土鉱物からなるアレルゲン吸着剤を、壁紙へ０．０５〜３．０ｇ／ｍ２固着させたことに特徴のある前項１または２に記載の壁紙。 [3] The wallpaper according to item 1 or 2, wherein the allergen adsorbent comprising the clay mineral is fixed to the wallpaper at 0.05 to 3.0 g / m 2 .
［１］の発明では、セルロース系繊維からなる基材層に熱可塑性樹脂シートからなる表面層を積層した壁紙において、前記表面層上に、粘土鉱物からなるアレルゲン吸着剤がバインダー樹脂により固着されているので、空気中に浮遊して室内に入り込んだ花粉アレルゲンや、床から舞い上がるハウスダスト等のアレルゲンは、自然対流によって壁に接触し、吸着によって粘土鉱物内の細孔に取り込まれ不活性化される。 In the invention of [1], in the wallpaper in which a surface layer made of a thermoplastic resin sheet is laminated on a base material layer made of cellulosic fibers, an allergen adsorbent made of clay mineral is fixed on the surface layer by a binder resin. Therefore, pollen allergens that float in the air and enter the room and allergens such as house dust that soars from the floor come into contact with the walls by natural convection and are absorbed into the pores in the clay mineral by adsorption and are inactivated. The
［２］の発明では、前記表面層が発泡塩化ビニル製樹脂シートからなるので、２００℃を超える高温の加工工程を経て製造されるが、前記アレルゲン吸着剤は、粘土鉱物からなる無機系のアレルゲン吸着剤であるので、高温の加工にも耐え、変色のない壁紙とすることができ、前記表面層は柔らかくボリュウム感があって凹凸があるので、アレルゲンを効果的に吸着し、アレルゲン低減化機能を発揮することができる。 In the invention of [2], since the surface layer is made of a foamed vinyl chloride resin sheet, it is manufactured through a high-temperature processing step exceeding 200 ° C. The allergen adsorbent is an inorganic allergen made of clay mineral. Because it is an adsorbent, it can withstand high-temperature processing and can be used as a wallpaper with no discoloration. The surface layer is soft and has a volume feel and irregularities, so it can absorb allergens effectively and reduce allergens. Can be demonstrated.
［３］の発明では、粘土鉱物からなるアレルゲン吸着剤の壁紙への固着量が０．０５〜３．０ｇ／ｍ２であるので、表面層の風合いを生かしたまま、十分なアレルゲン低減化機能を発揮することができる。 In the invention of [3], the allergen adsorbent made of clay mineral is fixed to the wallpaper in an amount of 0.05 to 3.0 g / m 2 , so that the function of reducing allergen sufficiently while keeping the texture of the surface layer alive. Can be demonstrated.
以下本発明をさらに詳しく説明する。壁は、室内において床や天井に較べ、最も大きな面積を占めている上に、室内空気は壁を伝って下に流れることから、室内空気が室内で最も多く接するのは壁であるといわれ、壁は、室内空間を快適にするために各種機能性を付与する場所として、有利な場所といえる。本発明は、その壁に貼る壁紙であって、壁紙の表面層上にアレルゲン吸着剤をバインダー樹脂により固着せしめ、アレルゲンを効果的に吸着し不活性化する壁紙である。 The present invention will be described in more detail below. The wall occupies the largest area in the room compared to the floor and ceiling, and the indoor air flows down along the wall. Can be said to be an advantageous place for providing various functionalities to make the indoor space comfortable. The present invention is a wallpaper to be affixed to the wall, wherein the allergen adsorbent is fixed on the surface layer of the wallpaper with a binder resin, and the allergen is effectively adsorbed and inactivated.
基材層は、天然パルプ等のセルロース系繊維からなる紙を用いるのが好ましい。基材層は接着剤を介してコンクリートや木製板等の壁に貼着されるが、水分を放出しにくくカビが発生しやすいので、防カビ、抗菌加工が施されているものを使用することが好ましい。また、一般に接着剤は揮発性有機溶剤を含んでいることが多く、使用中に接着剤自身からＶＯＣ（揮発性有機化合物）が発生することもあることから、デンプン糊等揮発性有機溶剤を含まない接着剤が好ましい。 The base material layer is preferably made of paper made of cellulosic fibers such as natural pulp. The base material layer is affixed to walls such as concrete and wooden boards via an adhesive, but it is difficult to release moisture and easily generates mold. Is preferred. In general, adhesives often contain a volatile organic solvent, and VOC (volatile organic compounds) may be generated from the adhesive itself during use. No adhesive is preferred.
基材層の上側に表面層を積層する。表面層は、安価で付加価値加工のしやすい熱可塑性樹脂シートが好ましい。中でも、凹凸感のある立体的な風合いの付加がし易い発泡塩化ビニル性樹脂シートは、表面層として好ましく、塩化ビニル樹脂に発泡剤を混入し、シートを形成した後２２０〜２４０℃に加熱し発泡させて作られる。 A surface layer is laminated on the upper side of the base material layer. The surface layer is preferably a thermoplastic resin sheet that is inexpensive and easy to add value processing. Among them, a foamed vinyl chloride resin sheet that is easy to add a three-dimensional texture with a sense of unevenness is preferable as a surface layer. Made by foaming.
基材層と表面層の接着は、接着剤を使う方法を採用することもあるが、接着剤に揮発性有機溶剤が使われると、ＶＯＣ（揮発性有機化合物）が発生するので好ましくない。本発明では、基材層と表面層の間に熱可塑性樹脂を挿入し加熱して圧着する方法が、ＶＯＣ（揮発性有機化合物）の発生を押える方法として好ましい。 Adhesion between the base material layer and the surface layer may employ a method using an adhesive, but use of a volatile organic solvent for the adhesive is not preferable because VOC (volatile organic compound) is generated. In the present invention, a method in which a thermoplastic resin is inserted between the base material layer and the surface layer and heated and pressure-bonded is preferable as a method for suppressing the generation of VOC (volatile organic compound).
粘土鉱物からなるアレルゲン吸着剤としては、ベントナイト、モンモリロナイト、ハイデライト、ヘクトライト、雲母、タルクから選ばれる少なくとも１種を含むアレルゲン吸着剤が好ましい。これらの粘土鉱物は、吸湿性能に優れ、空気中の水分を吸収するのと同様に花粉等のアレルゲンを吸着し粘土鉱物内の細孔にとりこむ。アレルゲン性を有する蛋白質は水に溶ける性質があり、粘土鉱物内の細孔にとりこまれたアレルゲンは不活化される。 The allergen adsorbent composed of clay mineral is preferably an allergen adsorbent containing at least one selected from bentonite, montmorillonite, hydelite, hectorite, mica and talc. These clay minerals are excellent in moisture absorption performance, and adsorb allergens such as pollen into the pores in the clay mineral in the same manner as they absorb moisture in the air. Proteins having allergenic properties are soluble in water, and allergens incorporated into pores in clay minerals are inactivated.
粘土鉱物からなるアレルゲン吸着剤は、無機系なので耐熱性に優れ、２００℃を超える高温で加工する発泡塩化ビニル製樹脂シートからなる表皮層に固着しても、表皮層を変色させないで加工することができる。 Allergen adsorbents made of clay minerals are inorganic, so they have excellent heat resistance and should be processed without discoloring the skin layer even if they adhere to the skin layer made of a foamed vinyl chloride resin sheet processed at a high temperature exceeding 200 ° C. Can do.
粘土鉱物は、保水性に優れ化粧品としてよく使われるものでもあるが、中でも、モンモリロナイトは、層状ケイ酸塩鉱物の一種に分類される粘土鉱物で、結晶構造はケイ酸四面体層−アルミナ八面体層−ケイ酸四面体層の三層が重なっており、その単位層は厚さ約１０Å、広がり０．１〜１μｍのアスペクト比の高い板状構造で構成され、何層も重なり合った状態で存在することから、極めて大きな表面積を有し、吸着能に優れ、アレルゲン吸着剤として好適である。また、ベントナイトは、モンモリロナイトを主成分とし、他に石英、雲母、長石、ゼオライト等の鉱物を含み、モンモリロナイトのもつ特異な物性が、そのままベントナイトの物性となっている。 Clay minerals are excellent in water retention and are often used as cosmetics. Montmorillonite is a clay mineral classified as a layered silicate mineral, and its crystal structure is silicate tetrahedral layer-alumina octahedron. Three layers of layer-silicic acid tetrahedral layer overlap, and the unit layer is composed of a plate-like structure with a high aspect ratio of about 10 mm thick and 0.1 to 1 μm wide, and there are many layers overlapping each other Therefore, it has an extremely large surface area, is excellent in adsorption ability, and is suitable as an allergen adsorbent. Bentonite contains montmorillonite as a main component, and also contains minerals such as quartz, mica, feldspar, and zeolite, and the unique physical properties of montmorillonite are the properties of bentonite as they are.
粘土鉱物からなるアレルゲン吸着剤を表面層に固着するのにバインダー樹脂を使用する。バインダー樹脂としては、例えば、アクリル系樹脂、ウレタン系樹脂、エポキシ樹脂、アクリルシリコン系樹脂等を挙げることができる。なかでも、アクリル系樹脂はアレルゲン吸着剤との混和性の良さから好適である。 A binder resin is used to fix the allergen adsorbent made of clay mineral to the surface layer. Examples of the binder resin include acrylic resins, urethane resins, epoxy resins, and acrylic silicon resins. Of these, acrylic resins are preferred because of their good miscibility with allergen adsorbents.
粘土鉱物からなるアレルゲン吸着剤の壁紙への固着量は０．０５〜３．０ｇ／ｍ２であるのが好ましい。０．０５ｇ／ｍ２を下回ると、十分なアレルゲン吸着機能のある壁紙が得られない。また、３．０ｇ／ｍ２を超えて塗布しても、徒に塗布量を増やすだけで、塗布量の増加に見合った効果が得られるわけではない。さらに好ましいアレルゲン吸着剤の固着量は、０．３〜２．０ｇ／ｍ２である The adhering amount of the allergen adsorbent made of clay mineral to the wallpaper is preferably 0.05 to 3.0 g / m 2 . If it is less than 0.05 g / m 2 , a wallpaper having a sufficient allergen adsorption function cannot be obtained. Moreover, even if it applies exceeding 3.0 g / m < 2 >, the effect commensurate with the increase in application amount is not acquired only by increasing the application amount. A more preferable allergen adsorbent adhering amount is 0.3 to 2.0 g / m 2 .
アレルゲン吸着剤の壁紙へ塗布する方法は、特に限定しないが、以下のコーティング法を例示できる。例えばグラビアロール加工、スプレー加工、ロールコーター加工、ジェットプリント加工、転写プリント加工、スクリーンプリント加工等を挙げることができる。また、表皮層を基材層の上側に積層一体化する前に、表皮層にアレルゲン吸着剤溶液をコーティングし、加熱して基材層と接着一体化させてもよいし、表皮層と基材層を積層一体化するのと同時にアレルゲン吸着剤溶液をコーティングしてもよい。また、表皮層が発泡塩化ビニル製樹脂シートのときは、塩化ビニル樹脂を発泡させる前にアレルゲン低減化剤を塗布し、加熱しながら表皮層に固着し、同時に基材層と一体化するのが効率的である。 Although the method of apply | coating to the wallpaper of an allergen adsorption agent is not specifically limited, The following coating methods can be illustrated. For example, gravure roll processing, spray processing, roll coater processing, jet printing processing, transfer printing processing, screen printing processing and the like can be mentioned. Further, before the skin layer is laminated and integrated on the upper side of the base material layer, the skin layer may be coated with an allergen adsorbent solution and heated to be integrated with the base material layer, or the skin layer and the base material may be integrated. The allergen adsorbent solution may be coated at the same time as the layers are laminated and integrated. Also, when the skin layer is a foamed vinyl chloride resin sheet, an allergen reducing agent is applied before foaming the vinyl chloride resin, and is fixed to the skin layer while being heated, and at the same time integrated with the base material layer. Efficient.
次ぎに実施例により、本発明を具体的に説明する。なお実施例における各アレルゲン低減性能（不活性化性能）の評価は次のように行った。 Next, the present invention will be described specifically by way of examples. In addition, evaluation of each allergen reduction performance (inactivation performance) in an Example was performed as follows.
＜アレルゲン低減性能試験＞
ＥＬＩＳＡ法のサンドイッチ法にて測定し、生成した発色物質の吸光度を吸光度計で読み取り、濃度既知の標準品を用いて作成した標準曲線から、サンプル中のアレルゲン量を定量して、アレルゲン低減化率を算出し、下記の４段階で評価し、評価「１」「２」を合格とした。
（判定基準）
「１」・・アレルゲンの汚染はない。（アレルゲン低減化率８０％以上）
「２」・・ややアレルゲンに汚染されている程度である。（アレルゲン低減化率６０％以上８０％未満）
「３」・・アレルゲンに汚染されている。（アレルゲン低減化率４０％以上６０％未満）
「４」・・非常にアレルゲンに汚染されている。（アレルゲン低減化率４０％未満）
<Allergen reduction performance test>
Measure the ELISA sandwich method, read the absorbance of the generated chromogenic material with an absorptiometer, quantify the allergen amount in the sample from a standard curve created using a standard product with a known concentration, and reduce the allergen Was calculated and evaluated in the following four stages, and evaluations “1” and “2” were regarded as acceptable.
(Criteria)
“1” ・ ・ There is no allergen contamination. (Allergen reduction rate of 80% or more)
"2" ... Slightly contaminated with allergens. (Allergen reduction rate of 60% or more and less than 80%)
"3" ... contaminated with allergens. (Allergen reduction rate of 40% or more and less than 60%)
"4" ... Very contaminated with allergens. (Allergen reduction rate less than 40%)
＜実施例１＞
基材層としてクラフト紙を用い、表面層として塩化ビニルシートを用意した。また、ベントナイト５重量部と水５重量部、アクリルバインダー樹脂９０重量部を混合した加工液を、ロールコート加工にて塩化ビニルシート上に塗布し、ホットメルト樹脂を散布した前記クラフト紙に重ね、１６０℃５分間加熱して接着して壁紙を得た。アレルゲン吸着剤の壁紙表面層への固着量は０．５ｇ／ｍ２で、表面層の変色も無かった。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は、低減化率８５％で「１」の評価であった。
<Example 1>
Kraft paper was used as the base material layer, and a vinyl chloride sheet was prepared as the surface layer. In addition, a processing liquid in which 5 parts by weight of bentonite, 5 parts by weight of water, and 90 parts by weight of an acrylic binder resin are mixed is applied onto a vinyl chloride sheet by roll coating, and is superimposed on the kraft paper sprayed with hot melt resin. It was heated at 160 ° C. for 5 minutes and adhered to obtain a wallpaper. The amount of allergen adsorbent fixed to the wallpaper surface layer was 0.5 g / m 2 and the surface layer was not discolored. The allergen-reducing wallpaper thus obtained had an allergen-reducing performance of “1” at a reduction rate of 85%.
＜実施例２＞
実施例１において、モンモリロナイト５重量部とした以外は、実施例１と同様にして壁紙を得た。アレルゲン吸着剤の壁紙表面層への固着量は０．５ｇ／ｍ２で、表面層の変色も無かった。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は「２」の評価であった。
<Example 2>
A wallpaper was obtained in the same manner as in Example 1 except that 5 parts by weight of montmorillonite was used. The amount of allergen adsorbent fixed to the wallpaper surface layer was 0.5 g / m 2 and the surface layer was not discolored. The allergen-reducing wallpaper thus obtained had an allergen-reducing performance of “2”.
＜実施例３＞
実施例１において、塩化ビニルシートを、塩化ビニル樹脂に発泡剤を混入したシートとし、ベントナイト５重量部とし、２２０℃５分間加熱した以外は、実施例１と同様にして壁紙を得た。アレルゲン吸着剤の壁紙表面層への固着量は０．５ｇ／ｍ２で、表面層の変色も無かった。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は「１」の評価であった。
<Example 3>
In Example 1, a wallpaper was obtained in the same manner as in Example 1 except that the vinyl chloride sheet was a sheet in which a foaming agent was mixed in a vinyl chloride resin, 5 parts by weight of bentonite, and heated at 220 ° C. for 5 minutes. The amount of allergen adsorbent fixed to the wallpaper surface layer was 0.5 g / m 2 and the surface layer was not discolored. The allergen-reducing wallpaper thus obtained has an allergen-reducing performance of “1”.
＜比較例１＞
実施例３において、アレルゲン低減化剤として植物性のアレルゲン中和剤（有限会社アルカディア社製ＳＣ−ＤＵＳＴＲＯＹ）１０重量部とした以外は、実施例３と同様にして壁紙を得た。アレルゲン低減化剤の壁紙表面層への固着量は１．０ｇ／ｍ２で、表面層はやや黄みをおびて変色していた。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は「３」の評価であった。
<Comparative Example 1>
A wallpaper was obtained in the same manner as in Example 3 except that 10 parts by weight of a plant allergen neutralizing agent (SC-DUSTROY manufactured by Arcadia Co., Ltd.) was used as the allergen reducing agent in Example 3. The fixing amount of the allergen reducing agent to the wallpaper surface layer was 1.0 g / m 2 , and the surface layer was slightly yellowish and discolored. The allergen-reducing wallpaper thus obtained had an allergen-reducing performance of “3”.
＜比較例２＞
実施例１において、ベントナイト０．５重量部、水０．５重量部とした以外は、実施例１と同様にして壁紙を得た。アレルゲン吸着剤の壁紙表面層への固着量は０．０５ｇ／ｍ２で、表面層の変色も無かった。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は「３」の評価であった。
<Comparative example 2>
In Example 1, wallpaper was obtained in the same manner as in Example 1 except that 0.5 parts by weight of bentonite and 0.5 parts by weight of water were used. The amount of the allergen adsorbent fixed to the wallpaper surface layer was 0.05 g / m 2 , and there was no discoloration of the surface layer. The allergen-reducing wallpaper thus obtained had an allergen-reducing performance of “3”.
＜比較例３＞
実施例１において、ベントナイト４０重量部、水４０重量部とした以外は、実施例１と同様にして壁紙を得た。アレルゲン吸着剤の壁紙表面層への固着量は４．０ｇ／ｍ２で、表面層の変色も無かった。こうして得られたアレルゲン低減化壁紙の、アレルゲン低減性能は、低減化率８７％で「１」の評価であったが、アレルゲン低減化率の向上はそれほど見られなかった。
<Comparative Example 3>
A wallpaper was obtained in the same manner as in Example 1 except that 40 parts by weight of bentonite and 40 parts by weight of water were used. The adhesion amount of the allergen adsorbent to the wallpaper surface layer was 4.0 g / m 2 , and there was no discoloration of the surface layer. The allergen-reducing performance of the thus obtained allergen-reducing wallpaper was evaluated as “1” at a reduction rate of 87%, but the improvement of the allergen reduction rate was not so much.
＜比較例４＞
実施例１において、ベントナイトを０、水を０とした以外は、実施例１と同様にして壁紙を得た。もちろんアレルゲン吸着剤の壁紙表面層への固着量は０で、アレルゲン低減性能は「４」の評価であった。
<Comparative example 4>
A wallpaper was obtained in the same manner as in Example 1 except that bentonite was 0 and water was 0 in Example 1. Of course, the amount of allergen adsorbent adhering to the wallpaper surface layer was 0, and the allergen reduction performance was evaluated as “4”.
本発明の技術は、壁紙の表皮層にアレルゲン吸着剤を塗布させて、花粉アレルゲン等を不活性化するものであるが、利用される分野は壁紙に限らず、家電製品等のパッケージ、インテリア用小物、車両の内装材等、花粉アレルゲン等の付着しやすいものの高温で加工されるものに広く利用される。 The technology of the present invention is to inactivate pollen allergens by applying an allergen adsorbent to the skin layer of wallpaper, but the field of use is not limited to wallpaper, but for packages such as home appliances, interior use It is widely used for small items, vehicle interior materials, etc., which easily adhere to pollen allergens, etc., but are processed at high temperatures.
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