JP3209414U - Adsorbent cushion floor - Google Patents
Adsorbent cushion floor Download PDFInfo
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- JP3209414U JP3209414U JP2016006019U JP2016006019U JP3209414U JP 3209414 U JP3209414 U JP 3209414U JP 2016006019 U JP2016006019 U JP 2016006019U JP 2016006019 U JP2016006019 U JP 2016006019U JP 3209414 U JP3209414 U JP 3209414U
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- vinyl chloride
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- resin layer
- cushion floor
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- 239000003463 adsorbent Substances 0.000 title claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 52
- 229920005989 resin Polymers 0.000 claims abstract description 52
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 21
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 21
- 230000000274 adsorptive effect Effects 0.000 claims abstract description 20
- 238000007639 printing Methods 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
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- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 79
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- 238000000034 method Methods 0.000 description 11
- -1 etc. Substances 0.000 description 8
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- 239000004088 foaming agent Substances 0.000 description 4
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- 229920002554 vinyl polymer Polymers 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- 230000002745 absorbent Effects 0.000 description 2
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- 239000004808 2-ethylhexylester Substances 0.000 description 1
- KLSJWNVTNUYHDU-UHFFFAOYSA-N Amitrole Chemical compound NC1=NC=NN1 KLSJWNVTNUYHDU-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
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- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 1
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- 239000012964 benzotriazole Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
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- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
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- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 1
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Landscapes
- Floor Finish (AREA)
Abstract
【課題】塩化ビニルを使用した吸着性クッションフロアであっても長尺シート状に製造可能であり、かつ、製造工程中において塩化水素ガスの発生しない吸着性クッションフロアを提供する。【解決手段】ガラス繊維混抄紙からなる基材層10と、基材層10上に形成された塩化ビニル発泡樹脂層と、その上に形成された印刷層と、その上に形成された塩化ビニル透明樹脂層と、基材層10下に貼着されたアクリル樹脂層30と、を備え、長尺シート状に形成された吸着性クッションフロア1により解決する。【選択図】図1The present invention provides an adsorptive cushion floor which can be manufactured in a long sheet shape even with an adsorptive cushion floor using vinyl chloride and which does not generate hydrogen chloride gas during the manufacturing process. A base material layer made of glass fiber mixed paper, a vinyl chloride foamed resin layer formed on the base material layer, a printing layer formed thereon, and a vinyl chloride formed thereon. This is solved by an adsorbent cushion floor 1 comprising a transparent resin layer and an acrylic resin layer 30 adhered under the base material layer 10 and formed in a long sheet shape. [Selection] Figure 1
Description
本考案は、長尺シート状に製造可能な吸着性クッションフロアに関するものである。 The present invention relates to an absorptive cushion floor that can be manufactured in the form of a long sheet.
吸着性クッションフロアとは、吸着性床材とも呼ばれ、ビニール製のクッション性のあるシート状床材を指す。 裏打ち材に不織布やビニール層があり、中間に発泡層、表面に透明ビニールなどを張り合わせたもので、厚さは標準的なもので2mm程度、厚めなもので4mm程度である。加工により凹凸をつければ木目調や石目調などを表現することができ、合板フローリングに比べて安価で、水に濡れてもよく、手入れがしやすい、掃除がしやすい、物を落としても下階に響きにくい等の利点を有することから、住宅や店舗の床材として広く普及している。 The adsorptive cushion floor is also called an adsorptive flooring and refers to a sheet-like flooring made of vinyl and having cushioning properties. The backing material is a non-woven fabric or vinyl layer, with a foam layer in the middle and a transparent vinyl on the surface. The standard thickness is about 2mm, and the thicker is about 4mm. If you make irregularities by processing, you can express wood grain or stone grain, cheaper than plywood flooring, may be wet with water, easy to clean, easy to clean, even if you drop an object Since it has the advantage that it does not resonate with the lower floors, it is widely used as a flooring material for houses and stores.
吸着性クッションフロアとしては、例えば、コンポジション及びホモジニアスのいずれか一方のビニル床タイルである基材と、該基材上に積層された発泡体層とを備え、該発泡体層はアクリル系重合体からなり、吸着性を有するクッションフロアが知られている(特許文献1)。 The adsorbent cushion floor includes, for example, a base material that is one of composition and homogeneous vinyl floor tiles, and a foam layer laminated on the base material, and the foam layer is an acrylic heavy layer. A cushion floor made of a coalescence and having an adsorptive property is known (Patent Document 1).
従来、表面に塩化ビニルを使用した床材は、基材層の裏面に接着剤を使用して床に貼り付けていた。しかしながら、接着剤を使用して床に貼り付ける際、粘着性が得られるまで、両面塗布した被着材を5〜10分放置する必要があり、作業の遅延の要因となっていた。溶剤系の接着剤を使用した場合は溶剤が揮散するまで被着材は必ず5〜10分放置しなければならず、有機溶剤が人体に与える影響も懸念される。さらに、床材を張り替える際には剥離作業や下地に残った接着剤を除去する作業が必要であり、作業者にとって大きな負担となっていた。 Conventionally, floor materials using vinyl chloride on the surface have been attached to the floor using an adhesive on the back surface of the base material layer. However, when sticking to the floor using an adhesive, it was necessary to leave the adherend coated on both sides for 5 to 10 minutes until stickiness was obtained, which caused work delays. When a solvent-based adhesive is used, the adherend must be allowed to stand for 5 to 10 minutes until the solvent is volatilized, and there is a concern that the organic solvent may affect the human body. Furthermore, when the floor material is replaced, it is necessary to perform a peeling operation or an operation for removing the adhesive remaining on the base, which is a heavy burden on the operator.
そこで、基材層の裏面に予めアクリル樹脂を用いた接着剤層が形成された吸着性クッションフロアが提案された。アクリル樹脂からなる接着剤層は作業時に剥離紙を剥がせばすぐに床面に貼付することができ、張替え時に床面からクッションフロアを剥離する際も床面に接着剤層が残存することなく利便性が高いことから、近年、急速に普及している。 Therefore, an adsorptive cushion floor in which an adhesive layer using an acrylic resin is previously formed on the back surface of the base material layer has been proposed. The adhesive layer made of acrylic resin can be applied to the floor as soon as the release paper is peeled off at the time of work, and the adhesive layer does not remain on the floor even when the cushion floor is peeled off from the floor during re-covering Due to its high convenience, it has been spreading rapidly in recent years.
ここで、長尺シート状に製造される吸着性クッションフロアは、吸着性を付与するための発泡層を形成するため、およびアクリル樹脂に硬化性を付与するために加熱工程を必要とする。しかしながら、表面に塩化ビニルを使用した吸着性クッションフロアを製造しようとすると、塩化ビニルが60℃で変性し表面加工を行った塩ビ部分が溶けて光沢を失ってしまうとともに、シートを巻き取ると相互に張り付いてしまい剥離が困難となり商品にならないという問題があった。また、加熱時に塩化水素ガスを発生するため、人体や環境に与える影響も懸念されていた。 Here, the adsorbent cushion floor manufactured in the form of a long sheet requires a heating step in order to form a foam layer for imparting adsorbability and to impart curability to the acrylic resin. However, when trying to produce an absorbent cushion floor using vinyl chloride on the surface, the vinyl chloride is denatured at 60 ° C and the surface-treated vinyl chloride portion melts and loses its gloss. There was a problem that it was stuck to the surface, making it difficult to peel off and becoming a product. In addition, since hydrogen chloride gas is generated during heating, there are concerns about the effects on the human body and the environment.
そこで本考案の目的は、塩化ビニルを使用した吸着性クッションフロアであっても長尺シート状に製造可能であり、かつ、製造工程中において塩化水素ガスの発生しない吸着性クッションフロアを提供することにある。 Accordingly, an object of the present invention is to provide an adsorptive cushion floor that can be produced in a long sheet shape even if it is an adsorbent cushion floor using vinyl chloride and that does not generate hydrogen chloride gas during the manufacturing process. It is in.
本考案者らは、上記課題を解決するため吸着性クッションフロアに使用する材料と製造工程の加熱条件を検討した結果、これまで製造が困難であった塩化ビニルを使用した吸着性クッションフロアを製造することが可能であるとの知見を得た。 As a result of examining the materials used for the adsorptive cushion floor and the heating conditions of the manufacturing process in order to solve the above-mentioned problems, the present inventors manufactured an adsorptive cushion floor using vinyl chloride, which has been difficult to manufacture. I got the knowledge that it is possible.
本考案は係る知見に基づきなされたものであり、基材層と、該基材層上に形成された塩化ビニル樹脂層と、該基材層下に貼着されたアクリル樹脂層と、を備えた吸着性クッションフロアを提供するものである。 The present invention has been made based on such knowledge, and includes a base material layer, a vinyl chloride resin layer formed on the base material layer, and an acrylic resin layer adhered under the base material layer. An adsorbent cushion floor is provided.
本考案の吸着性クッションフロアによれば、塩化ビニルを使用したものであっても長尺シート状に製造可能であり、かつ、製造工程中において塩化水素ガスの発生しない吸着性クッションフロアを提供することができる。 According to the adsorbent cushion floor of the present invention, an adsorbent cushion floor that can be produced in a long sheet shape even using vinyl chloride and does not generate hydrogen chloride gas during the manufacturing process is provided. be able to.
図1は、本考案に係る吸着性クッションフロア1の断面図である。本考案に係る吸着性クッションフロア1は、基材層10と、基材層10上に形成された塩化ビニル樹脂層20と、基材層10下に貼着されたアクリル樹脂層30と、を備えている。 FIG. 1 is a sectional view of an adsorptive cushion floor 1 according to the present invention. The adsorptive cushion floor 1 according to the present invention includes a base material layer 10, a vinyl chloride resin layer 20 formed on the base material layer 10, and an acrylic resin layer 30 adhered under the base material layer 10. I have.
基材層10は、公知のクッションフロアの基材層に使用されている材料であればいずれの材料を使用することができる。例えば、ガラス繊維混抄紙、ガラス繊維不織布、ロックウール紙、パルプ紙、合成繊維等の織布、不織布等を挙げることができる。特に、耐熱性、柔軟性、加工性等の特性及びコストの観点から、ガラス繊維混抄紙であることが好ましい。基材層10の材料に温度差による伸縮性の少ない材料を使用すれば、得られる吸着性クッションフロアの柔軟性が温度に大きく影響されることはなくなり、表面や裏面にカールするような不都合も少なくなる。 As long as the base material layer 10 is a material used for the base material layer of a well-known cushion floor, any material can be used. Examples thereof include glass fiber mixed paper, glass fiber nonwoven fabric, rock wool paper, pulp paper, woven fabric such as synthetic fiber, and nonwoven fabric. In particular, glass fiber mixed paper is preferable from the viewpoints of characteristics such as heat resistance, flexibility, workability, and cost. If a material with little elasticity due to temperature difference is used as the material of the base material layer 10, the flexibility of the resulting absorbent cushion floor will not be greatly influenced by the temperature, and there will be inconvenience of curling on the front and back surfaces Less.
基材層10の厚さは適宜設定することができるが、例えば、100〜400μmであることが好ましく、200〜300μmであることがより好ましく、240〜320μmであることがさらに好ましい。 Although the thickness of the base material layer 10 can be set suitably, it is preferable that it is 100-400 micrometers, for example, it is more preferable that it is 200-300 micrometers, and it is more preferable that it is 240-320 micrometers.
塩化ビニル樹脂層20は、基材層10から表層にかけて、塩化ビニル発泡樹脂層22、印刷層24、塩化ビニル透明樹脂層26から構成されている。 The vinyl chloride resin layer 20 includes a vinyl chloride foam resin layer 22, a printing layer 24, and a vinyl chloride transparent resin layer 26 from the base material layer 10 to the surface layer.
塩化ビニル発泡樹脂層22の組成物としては、塩化ビニル系樹脂、可塑剤、安定剤、発泡剤、充填剤、着色剤、および通常使用される添加剤を含有する。ポリ塩化ビニル系樹脂としては、塩化ビニル共重合体、例えば塩化ビニルとエチレン、酢酸ビニル、アクリル、ウレタン等との共重合体のほか、他のポリマーとのブレンド物も含むが、発泡性を重視するため、重合度が800〜3000のものがよい。加熱処理により3〜5倍に発泡することで空隙が形成され、歩行者による歩行時の衝撃を吸収する。 The composition of the vinyl chloride foamed resin layer 22 contains a vinyl chloride resin, a plasticizer, a stabilizer, a foaming agent, a filler, a colorant, and commonly used additives. Polyvinyl chloride resins include vinyl chloride copolymers, such as copolymers of vinyl chloride and ethylene, vinyl acetate, acrylic, urethane, etc., as well as blends with other polymers. Therefore, a polymerization degree of 800 to 3000 is preferable. A void is formed by foaming 3 to 5 times by heat treatment, and absorbs an impact during walking by a pedestrian.
可塑剤としては、一般に使用されている可塑剤が使用できるが、代表的な例としては、ジオクチルフタレートやブチルベンジルフタレート等のフタル酸エステル系、ジオクチルアジペイット系の脂肪酸エステル系、トリクレジルフォスフェート等のリン酸エステル系、その他トリメリット酸エステル系、エポキシ大豆油系、安息香酸系、ポリエステル系高分子可塑剤等が挙げられる。 As the plasticizer, commonly used plasticizers can be used. Typical examples include phthalate esters such as dioctyl phthalate and butylbenzyl phthalate, dioctyl adipate fatty acid ester, and tricresyl. Examples include phosphate esters such as phosphates, other trimellitic acid esters, epoxy soybean oils, benzoic acids, and polyester polymer plasticizers.
可塑剤の添加量は、塩化ビニル系樹脂100重量部に対して30〜100重量部の範囲が適用できるが、可塑剤の配合量が多いとケミカルエンボス効果が悪くなるので、好ましくは40〜60重量部の範囲が良い。また粘度調整剤として希釈剤、2次可塑剤および粘度降下剤等を適宜に使用しても支障はない。 The addition amount of the plasticizer can be in the range of 30 to 100 parts by weight with respect to 100 parts by weight of the vinyl chloride resin. However, if the amount of the plasticizer is large, the chemical embossing effect deteriorates, so preferably 40 to 60. Good weight range. Moreover, there is no problem even if a diluent, a secondary plasticizer, a viscosity lowering agent, or the like is appropriately used as the viscosity modifier.
安定剤としては、通常塩化ビニル系樹脂に使用されているものであれば全て使用可能である。一例としては、亜鉛、バリウム、カルシウム、錫等の金属系安定剤、有機リン化合物、エポキシ化合物等を単独で、もしくは2種以上の併用で使用できる。安定剤の添加量は、塩化ビニル系樹脂100重量部に対して0.5〜5重量部が好ましい。 Any stabilizer can be used as long as it is usually used for vinyl chloride resins. As an example, metallic stabilizers such as zinc, barium, calcium and tin, organic phosphorus compounds, epoxy compounds and the like can be used alone or in combination of two or more. The addition amount of the stabilizer is preferably 0.5 to 5 parts by weight with respect to 100 parts by weight of the vinyl chloride resin.
発泡剤としては、通常使用されているものが使用できるが、中でもアゾジカルボンアミド、オキシビスベンゼンスルフォニルヒドラジド、ベンゼンスルフォニルヒドラジド、p−トルエンスフロニルジドラジド等の熱分解型有機系発泡剤が好ましい。その添加量は、塩化ビニル系樹脂100重量部に対して0.5〜5重量部が好ましい。発泡剤の分解を促進するために、酸化亜鉛や有機亜鉛化合物等の亜鉛系発泡助剤を安定剤を兼ねて添加することもできる。 As the foaming agent, commonly used ones can be used, and among them, thermal decomposition type organic foaming agents such as azodicarbonamide, oxybisbenzenesulfonyl hydrazide, benzenesulfonyl hydrazide, p-toluenesulphonyl diazide are preferable. . The addition amount is preferably 0.5 to 5 parts by weight with respect to 100 parts by weight of the vinyl chloride resin. In order to accelerate the decomposition of the foaming agent, a zinc-based foaming aid such as zinc oxide or an organic zinc compound can also be added as a stabilizer.
充填剤は、球状粒子のみでなく、フレーク状、繊維状のものが使用できるが、加熱により物理的変化や化学的変化のないものが望ましく、たとえば炭酸カルシウム、炭酸マグネシウム、クレー、水酸化アルミニウム、ガラス粒、シラスバルーン等の無機充填剤、あるいは粉末繊維素、木粉、コルク粉等の有機充填剤を使用できる。これらの充填剤の添加量は、塩化ビニル系樹脂100重量部に対して50重量部以下が好ましい。 As the filler, not only spherical particles but also flaky and fibrous materials can be used, but those that do not undergo physical or chemical changes upon heating are desirable, such as calcium carbonate, magnesium carbonate, clay, aluminum hydroxide, Inorganic fillers such as glass particles and shirasu balloons, or organic fillers such as powdered fiber, wood powder and cork powder can be used. The amount of these fillers added is preferably 50 parts by weight or less with respect to 100 parts by weight of the vinyl chloride resin.
発泡抑制剤としては、無水トリメリット酸、無水マレイン酸、フマール酸、ベンゾトリアゾール、アミノトリアゾール等の、通常使用されている抑制剤が使用できる。発泡抑制剤の添加量は、塩化ビニル系樹脂100重量部に対して1〜30重量部、好ましくは10〜20重量部の範囲がよい。10重量部未満では、凹凸の発現が顕著でなく、20重量部以上では10〜20重量部の範囲と比較して抑制効果が添加量と比例して上がって来ないことがある。 As the foaming inhibitor, commonly used inhibitors such as trimellitic anhydride, maleic anhydride, fumaric acid, benzotriazole, and aminotriazole can be used. The amount of the foaming inhibitor added is 1 to 30 parts by weight, preferably 10 to 20 parts by weight, based on 100 parts by weight of the vinyl chloride resin. When the amount is less than 10 parts by weight, the unevenness is not remarkably exhibited, and when the amount is 20 parts by weight or more, the inhibitory effect may not increase in proportion to the amount added in comparison with the range of 10 to 20 parts by weight.
塩化ビニル発泡樹脂層22の厚さは適宜設定することができるが、床材にクッション性を付与する観点から、0.5〜3mmであることが好ましく、1〜2mmであることがより好ましく、1.2〜1.6mmであることがより好ましい。 Although the thickness of the vinyl chloride foamed resin layer 22 can be set as appropriate, it is preferably 0.5 to 3 mm, more preferably 1 to 2 mm, from the viewpoint of imparting cushioning properties to the flooring. More preferably, it is 1.2 to 1.6 mm.
印刷層24は、床材に意匠性を付与するものであり、塩化ビニル発泡樹脂層22の地色を隠蔽するベタ状のものや絵柄等の模様が印刷される。印刷される模様としては、例えば、木目模様、大理石模様等の岩石の表面を模した石目模様、布目や布状の模様を模した布地模様、タイル貼模様、煉瓦積模様等を挙げることができ、これらを複合した寄木、パッチワーク等の模様も印刷することができる。印刷層24を形成する方法としては、例えばオフセット印刷法、グラビア印刷法、凸版印刷法、凹版印刷法、フレキソ印刷法、スクリーン印刷法等の各種印刷法や転写法等、任意の方法を使用することができるが、中でもインキの印刷適性の幅が広く容易なグラビア印刷法が、一般には最も好適である。用いるインキは油性インキ、水性インキ、アルコール性インキ等の印刷インキである。 The printed layer 24 imparts design properties to the floor material, and a solid pattern or a pattern such as a pattern that conceals the ground color of the vinyl chloride foamed resin layer 22 is printed thereon. Examples of patterns to be printed include, for example, a stone pattern simulating the surface of a rock such as a wood grain pattern or a marble pattern, a fabric pattern simulating a texture or cloth-like pattern, a tiled pattern, a brickwork pattern, etc. It is also possible to print patterns such as parquets, patchwork, etc. that combine these. As a method for forming the printing layer 24, for example, any printing method such as an offset printing method, a gravure printing method, a relief printing method, an intaglio printing method, a flexographic printing method, a screen printing method, or an arbitrary method may be used. Of these, the gravure printing method, which has a wide range of ink printing suitability and easy, is most preferable. The ink used is a printing ink such as oil-based ink, water-based ink, alcohol-based ink.
塩化ビニル透明樹脂層26は、吸着性クッションフロア1の最上層(表面層)を構成しており、歩行者に直接踏まれる場所であることから、耐摩耗性が高くなるように、重合度が1000〜3000の塩化ビニル樹脂により形成されている。材料には、ポリ塩化ビニルプラスチゾルに、安定剤を添加した塩化ビニル樹脂が使用されている。透明用安定剤としては、一般に使用されるカルシウム系、亜鉛系、バリウム系等の複合安定剤が用いられ、その添加量は、塩化ビニル樹脂100重量部に対して0.5〜5.0重量部であることが好ましい。
塩化ビニル透明樹脂層26の厚さは適宜設定することができるが、50〜250μmであることが好ましく、70〜200μmであることがより好ましく、100〜150μmであることがさらに好ましい。
Since the vinyl chloride transparent resin layer 26 constitutes the uppermost layer (surface layer) of the adsorptive cushion floor 1 and is a place that can be directly stepped on by pedestrians, the degree of polymerization is increased so as to increase wear resistance. It is formed of 1000 to 3000 vinyl chloride resin. As the material, a polyvinyl chloride resin obtained by adding a stabilizer to polyvinyl chloride plastisol is used. As the stabilizer for transparency, commonly used composite stabilizers such as calcium-based, zinc-based and barium-based are used, and the amount added is 0.5 to 5.0 weight with respect to 100 parts by weight of the vinyl chloride resin. Part.
Although the thickness of the vinyl chloride transparent resin layer 26 can be appropriately set, it is preferably 50 to 250 μm, more preferably 70 to 200 μm, and further preferably 100 to 150 μm.
塩化ビニル透明樹脂層26には難燃剤が含有されることが好ましい。一部を難燃性可塑剤で置換することにより、透明性を失うことなく難燃性が得られると共に、耐候性も同時に満足する透明塩化ビニル樹脂層が得られる。 The vinyl chloride transparent resin layer 26 preferably contains a flame retardant. By substituting a part with a flame retardant plasticizer, flame retardant properties can be obtained without losing transparency, and a transparent vinyl chloride resin layer satisfying weather resistance at the same time can be obtained.
塩化ビニル透明樹脂層26に含有される可塑剤としては、塩化ビニル樹脂に適用される通常の可塑剤が使用できるが、例えば、リン酸トリフェニルエステル(TPP)、リン酸クレジルフェニルエステル(CDP)、リン酸ジフエニルイソプロピルフェニルエステル、リン酸トリ−2−エチルヘキシルエステル(TOP)、リン酸オクチルジフェニルエステル、リン酸イソデシルジフェニルエステル等のリン酸エステル類、リン酸トリスジクロルプロピルエステル、リン酸トリスブロムクロルプロピルエステル等のハロゲン含有リン酸エステル類、塩素化パラフィン等のハロゲン含有可塑剤類で置換したものを挙げることができる。 As a plasticizer contained in the vinyl chloride transparent resin layer 26, a normal plasticizer applied to a vinyl chloride resin can be used. For example, phosphoric acid triphenyl ester (TPP), phosphoric acid cresyl phenyl ester (CDP) ), Phosphoric acid diphenyl isopropylphenyl ester, phosphoric acid tri-2-ethylhexyl ester (TOP), phosphoric acid octyl diphenyl ester, phosphoric acid isodecyl diphenyl ester, etc., phosphoric acid esters, phosphoric acid trisdichloropropyl ester, phosphorous Examples include halogen-containing phosphate esters such as acid trisbromochloropropyl ester and those substituted with halogen-containing plasticizers such as chlorinated paraffin.
アクリル樹脂層30は、アクリル系重合体を含有するエマルジョンに、空気又は不活性ガスを圧入して気液混合物を調製し、その後、気液混合物を基材層の裏面に塗布し、次いで、調厚し、その後、加熱し、硬化させることで製造することができる。このように形成されたアクリル樹脂層30は、吸着性クッションフロアの床面に対する吸着効果を付与するため、作業時に別途接着剤を塗布することなくすぐに床面に貼付することができ、張替え時に床面から吸着性クッションフロアを剥離する際も床面に接着剤層が残存することが少ない。 The acrylic resin layer 30 is prepared by injecting air or an inert gas into an emulsion containing an acrylic polymer to prepare a gas-liquid mixture, and then applying the gas-liquid mixture to the back surface of the base material layer. It can be manufactured by thickening and then heating and curing. The acrylic resin layer 30 formed in this way gives an adsorbing effect to the floor surface of the adsorbent cushion floor, so that it can be immediately applied to the floor surface without separately applying an adhesive during work, Even when the adsorptive cushion floor is peeled off from the floor surface, the adhesive layer hardly remains on the floor surface.
アクリル樹脂層30は基材層10の裏面全体に形成することもできるが、張り替え時の剥離性を考慮すれば、図1に示すように、基材層10の裏面に線状又はドット状に形成することが好ましい。アクリル樹脂層30の厚さは、100〜1000μmであることが好ましく、500〜1000μmであることがより好ましい。 The acrylic resin layer 30 can be formed on the entire back surface of the base material layer 10, but in consideration of peelability at the time of re-stretching, as shown in FIG. It is preferable to form. The thickness of the acrylic resin layer 30 is preferably 100 to 1000 μm, and more preferably 500 to 1000 μm.
アクリル樹脂層30の下方には、粘着性を保持するため剥離シート40を貼付することが好ましい。剥離シート40としては、例えば、10〜30μm厚のポリエチレンフィルムを使用することができる。作業時に剥離シート40を剥がすことにより、容易に床面に吸着性クッションフロア1を床面に貼付することができる。なお、剥離シート40は市販品を利用することもでき、例えば、ラジテックスEX−7629(ヒガシ化学社製)などを挙げることができる。 A release sheet 40 is preferably attached below the acrylic resin layer 30 in order to maintain adhesiveness. As the release sheet 40, for example, a polyethylene film having a thickness of 10 to 30 μm can be used. By removing the release sheet 40 during operation, the adsorbent cushion floor 1 can be easily attached to the floor surface. In addition, a commercial item can also be utilized for the peeling sheet 40, for example, Raditex EX-7629 (made by Higashi Chemical Co., Ltd.) etc. can be mentioned.
本実施形態の吸着性クッションフロア1は、例えば1m×20mの長尺シート状に形成することができる。従来、塩化ビニル樹脂層とアクリル樹脂層とを有する床材を長尺シート状に形成しようとすると、アクリル樹脂が熱硬化性であるため、熱をかけないと硬化しない一方、その加熱により塩化ビニル樹脂が熱変性を起こし、塩化ビニル樹脂層が溶けて巻き取りを行った後に剥離が困難となっていた。それに対し本実施形態の吸着性クッションフロア1は、以下の製造方法により上記の問題を解決することができる。 The adsorptive cushion floor 1 of this embodiment can be formed in a long sheet shape of 1 m × 20 m, for example. Conventionally, when an attempt is made to form a floor material having a vinyl chloride resin layer and an acrylic resin layer into a long sheet, the acrylic resin is thermosetting, so that it does not cure unless it is heated. The resin was thermally denatured, and it was difficult to peel off after the vinyl chloride resin layer was melted and wound up. On the other hand, the absorptive cushion floor 1 of the present embodiment can solve the above problems by the following manufacturing method.
本実施形態の吸着性クッションフロア1の製造は、大きく、基材層10及び塩化ビニル樹脂層20を形成する吸着性クッションフロア製造工程と、アクリル樹脂層30及び剥離シート40を形成する吸着加工工程に分けることができる。以下、本実施形態の吸着性クッションフロア1の製造方法の一例を説明する。 The manufacturing of the adsorptive cushion floor 1 of the present embodiment is large, and the adsorbing cushion floor manufacturing process for forming the base material layer 10 and the vinyl chloride resin layer 20 and the adsorption processing process for forming the acrylic resin layer 30 and the release sheet 40 are performed. Can be divided into Hereinafter, an example of the manufacturing method of the adsorptive cushion floor 1 of this embodiment is demonstrated.
吸着性クッションフロア製造工程は、まず、塩化ビニル発泡樹脂層22の原料となる塩化ビニル系樹脂等の組成物(重合度800〜3000)と可塑剤等とを混合して樹脂ペーストを調製する。その樹脂ペーストを、BCコーター等の塗工機を用いて基材層10の原料となるガラス繊維混抄紙等へ塗工することにより、基材層10と樹脂ペースト層からなるシートを形成する。その後、乾燥炉により樹脂ペーストを180〜220℃でゲル化する。 In the adsorbent cushion floor manufacturing process, first, a resin paste is prepared by mixing a composition (polymerization degree: 800 to 3000) such as a vinyl chloride resin used as a raw material of the vinyl chloride foam resin layer 22 and a plasticizer. The resin paste is applied to a glass fiber mixed paper or the like that is a raw material of the base material layer 10 using a coating machine such as a BC coater, thereby forming a sheet made of the base material layer 10 and the resin paste layer. Thereafter, the resin paste is gelled at 180 to 220 ° C. in a drying furnace.
次に、基材層10と樹脂ペースト層からなるシートは印刷ユニットに搬送され、ゲル化した樹脂ペースト層の表面に、所望の意匠を施した印刷層が形成される。 Next, the sheet | seat which consists of the base material layer 10 and the resin paste layer is conveyed to a printing unit, and the printing layer which gave the desired design is formed in the surface of the gelatinized resin paste layer.
その印刷層の表面に、TCコーター等の塗工機を用いて塩化ビニル透明樹脂が塗工される。そして、シートを発泡炉に移送し、ここで200〜240℃、100〜140秒の条件で加熱処理されることにより、樹脂ペースト層が3〜5倍に発泡した塩化ビニル発泡樹脂層22が形成される。その結果、基材層10、塩化ビニル発泡樹脂層22、印刷層24、塩化ビニル透明樹脂層26を備えた吸着性クッションフロアを製造する。 A vinyl chloride transparent resin is applied to the surface of the printed layer using a coating machine such as a TC coater. And the sheet | seat is transferred to a foaming furnace, and the vinyl chloride foaming resin layer 22 in which the resin paste layer foamed 3-5 times is formed by heat-processing here on the conditions of 200-240 degreeC and 100-140 second. Is done. As a result, an adsorptive cushion floor including the base material layer 10, the vinyl chloride foamed resin layer 22, the printing layer 24, and the vinyl chloride transparent resin layer 26 is manufactured.
その後吸着性クッションフロアは冷却され、ローラー等で巻き取り、次の吸着加工工程に付される。 Thereafter, the adsorbent cushion floor is cooled, wound with a roller or the like, and subjected to the next adsorption processing step.
吸着加工工程では、まずはじめに塗工機によりアクリル樹脂を基材層10に塗布する。アクリル樹脂は基材層10の裏面全体に塗布することもできるが、張り替え時の剥離性を考慮すれば、図1に示すように、基材層10の裏面に線状又はドット状に形成することが好ましい。次いで乾燥機により130〜140℃、3.0〜4.0m/分の条件でドライヤー乾燥される。このような乾燥条件により、塩化ビニル樹脂層20を加熱劣化させることなく、吸着性クッションフロアにアクリル樹脂層30を形成することができる。その後、シートを所望の幅に切断し、アクリル樹脂層30に剥離フィルムを貼付して、ローラーでシートを巻き取ることにより、所望の吸着性クッションフロアシートを製造する。 In the adsorption processing step, first, an acrylic resin is applied to the base material layer 10 by a coating machine. The acrylic resin can be applied to the entire back surface of the base material layer 10, but in consideration of the peelability at the time of re-stretching, it is formed in a linear or dot shape on the back surface of the base material layer 10 as shown in FIG. It is preferable. Next, it is dried by a dryer under conditions of 130 to 140 ° C. and 3.0 to 4.0 m / min. Under such drying conditions, the acrylic resin layer 30 can be formed on the adsorptive cushion floor without heating and deteriorating the vinyl chloride resin layer 20. Then, a sheet | seat is cut | disconnected to a desired width | variety, a peeling film is stuck on the acrylic resin layer 30, and a desired absorptive cushion floor sheet is manufactured by winding up a sheet | seat with a roller.
1…吸着性クッションフロア
10…基材層
20…塩化ビニル樹脂層
22…塩化ビニル発泡樹脂層
24…印刷層
26…塩化ビニル透明樹脂層
30…アクリル樹脂層
40…剥離層
DESCRIPTION OF SYMBOLS 1 ... Adsorbent cushion floor 10 ... Base material layer 20 ... Vinyl chloride resin layer 22 ... Vinyl chloride foamed resin layer 24 ... Print layer 26 ... Vinyl chloride transparent resin layer 30 ... Acrylic resin layer 40 ... Release layer
Claims (5)
該基材層上に形成された塩化ビニル樹脂層と、
該基材層下に貼着されたアクリル樹脂層と、
を備えた吸着性クッションフロア。 A base material layer;
A vinyl chloride resin layer formed on the substrate layer;
An acrylic resin layer adhered under the base material layer;
Adsorbent cushion floor with.
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