JP2011152244A - Tile carpet with cushioning property - Google Patents

Tile carpet with cushioning property Download PDF

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JP2011152244A
JP2011152244A JP2010014894A JP2010014894A JP2011152244A JP 2011152244 A JP2011152244 A JP 2011152244A JP 2010014894 A JP2010014894 A JP 2010014894A JP 2010014894 A JP2010014894 A JP 2010014894A JP 2011152244 A JP2011152244 A JP 2011152244A
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nonwoven fabric
tile carpet
layer
moisture permeability
fabric
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JP5356268B2 (en
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Yoshinobu Nochika
嘉信 野近
Takeshi Sakurai
武 櫻井
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Suminoe Textile Co Ltd
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Suminoe Textile Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a lightweight tile carpet required for a floor material in an office, hotel or public facility, excellent in the cushioning property for securing the comfortable walking. <P>SOLUTION: The tile carpet 1 is formed by bonding and integrating three layers including a surface pile layer 2 made of a pile fabric, a reinforcing layer 3 and a lining layer 4 via bonding resin layers 5. In the lining layer 4, a nonwoven fabric 6 with low moisture permeability and a nonwoven fabric 7 with a cushioning property are layered and integrated with each other by a needle punching process, and the nonwoven fabric with low moisture permeability is disposed on the bonded surface side to the reinforcing layer, so that the lightweight tile carpet having the compression elasticity modulus suitable for walking and a method of efficiently manufacturing the tile carpet are found to attain the invention. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、パイル布帛からなる表面パイル層の裏面に、補強層と、クッション性のある不織布と低透湿性能を有する不織布が、ニードルパンチ加工にて積層一体化された構成からなる裏打ち層が裏打ちされたタイルカーペットに関する。 In the present invention, a backing layer having a configuration in which a reinforcing layer, a cushioning nonwoven fabric, and a nonwoven fabric having low moisture permeability are laminated and integrated by needle punching on the back surface of a surface pile layer made of a pile fabric. For lined tile carpets.

従来、タイルカーペットは、敷設施工し易い、持ち運びが容易、部分的な取換えが容易、色や形状の組み合わせによる意匠性に優れているなどの長所を有しており、これまでにオフィス、ホテル、公共施設等の床材として使用されてきたが、近年、さらに床材に対する要求品質は上昇する一方で、施工、運搬の容易性を向上するための軽量化や、快適な歩行性を確保するためのクッション性が求められている。 Traditionally, tile carpets have the advantages of being easy to lay and install, easy to carry, easy to partially replace, and excellent in design by combining colors and shapes. Although it has been used as a flooring material for public facilities, in recent years, the required quality for flooring has further increased, while ensuring weight reduction and comfortable walking to improve the ease of construction and transportation. Therefore, cushioning properties are required.

前記課題を解決するために、従来タイルカーペットの裏打ち層として使用されてきた重いバッキング材であるアスファルト、ポリオレフィン樹脂、ポリ塩化ビニル(PVC)樹脂などの熱可塑性樹脂に代えて.特許文献1では、軽量で、クッション性を付与するために、ポリウレタン系弾性発泡体からなる裏打ち層を積層したものが開示されているが、軽量でクッション性はあるものの、カーペットからなる表面材と前記裏面材との接着は、ポリウレタン系弾性発泡体の原液を全面に塗布しつつ一体化する方法で、大規模な加工設備を必要とし、またタイルカーペットに通気性が無く、使用時に床と床材との間に湿気がこもっていくという問題があった。 In order to solve the above-mentioned problems, instead of thermoplastic resins such as asphalt, polyolefin resin, and polyvinyl chloride (PVC) resin, which are heavy backing materials conventionally used as a backing layer for tile carpet. Patent Document 1 discloses a lightweight laminated layer of a backing layer made of polyurethane-based elastic foam in order to impart cushioning properties. Although it is lightweight and cushioning, a surface material made of carpet and Adhesion with the back material is a method in which a stock solution of polyurethane-based elastic foam is applied to the entire surface and integrated, requires large-scale processing equipment, and the tile carpet is not breathable and is used when used between floors. There was a problem that moisture was trapped between the materials.

また、特許文献2では、裏打ち層として、厚さ2mm〜10mm、密度0.05〜0.15g/cmの不織布を積層したものが開示されているが、軽量化は図れるものの、表面パイル層と前記不織布とを積層一体化するための接着樹脂が、前記不織布に多量に含浸し、積層一体化するために多くの接着樹脂を必要とし、接着樹脂が含浸した前記不織布はクッション性を失い、快適な歩行性を確保するタイルカーペットではなかった。また、へたりが早く、耐久性のあるクッション性は得られなかった。 Patent Document 2 discloses a laminated layer of non-woven fabric having a thickness of 2 mm to 10 mm and a density of 0.05 to 0.15 g / cm 3 , but the surface pile layer can be reduced in weight. Adhesive resin for laminating and integrating the nonwoven fabric with a large amount impregnated into the nonwoven fabric, requiring a lot of adhesive resin for laminating and integrating, the nonwoven fabric impregnated with the adhesive resin loses cushioning properties, It was not a tile carpet to ensure comfortable walking. Also, the settling was fast and a durable cushioning property was not obtained.

これらの発明は、クッション性のあるタイルカーペットとしての発明であるが、本発明のように、大規模な加工設備を必要とせず、また、大量の接着樹脂を必要とせず、軽量で、適度な通気性を有し、長期間使用してもへたりの無い、耐久性のあるクッション性を持つタイルカーペットは未だ開示されていない。
特開平4−122214号公報 特開平10−61158号公報
Although these inventions are inventions as tile carpets with cushioning properties, they do not require a large-scale processing facility as in the present invention, and do not require a large amount of adhesive resin, and are lightweight and appropriate. A tile carpet having a cushioning property that has air permeability and does not sag even when used for a long period of time has not yet been disclosed.
JP-A-4-122214 JP-A-10-61158

本発明は、前記問題を解決し、オフィス、ホテル、公共施設等の床材に要求される軽量で、快適な歩行性を確保するためのクッション性に優れたタイルカーペットを提供することを課題とする。 It is an object of the present invention to provide a tile carpet that solves the above-mentioned problems and is excellent in cushioning properties for ensuring a comfortable walking property that is lightweight and required for flooring materials such as offices, hotels, and public facilities. To do.

前記課題を達成するために、本発明は以下の手段を提供する。 In order to achieve the above object, the present invention provides the following means.

[1]基布にパイルが植設されたパイル布帛からなる表面パイル層と、ガラス繊維又はポリエステル繊維の不織布や織布からなる補強層と、裏打ち層の3層が接着樹脂層を介して接着一体化されてなるタイルカーペットにおいて、前記裏打ち層が低透湿性能を有する不織布とクッション性のある不織布が、ニードルパンチ加工にて積層一体化されて、前記低透湿性能を有する不織布が前記補強層との接着面側に配置されていること特徴とするタイルカーペット。 [1] A surface pile layer made of a pile fabric in which a pile is planted on a base fabric, a reinforcing layer made of a nonwoven fabric or a woven fabric of glass fiber or polyester fiber, and a backing layer are bonded via an adhesive resin layer. In the integrated tile carpet, the non-woven fabric having a low moisture permeability is reinforced by laminating and integrating the nonwoven fabric having a low moisture permeability and the nonwoven fabric having a cushioning property by needle punching. A tile carpet characterized in that the tile carpet is arranged on the adhesive surface side with the layer.

[2]前記裏打ち層において、前記クッション性のある不織布は、天然繊維または合成繊維、およびそれらの混合物よりなる群から選ばれる少なくとも1種以上の繊維で構成され、厚さが2.0〜7.0mmであり、厚さ方向の圧縮弾性率が80〜97%である前項1に記載のタイルカーペット。 [2] In the backing layer, the cushioning nonwoven fabric is composed of at least one fiber selected from the group consisting of natural fibers or synthetic fibers, and mixtures thereof, and has a thickness of 2.0 to 7 The tile carpet according to item 1 above, having a thickness of 0.0 mm and a compressive modulus in the thickness direction of 80 to 97%.

[3]前記裏打ち層において、前記低透湿性能を有する不織布が合成繊維からなる長繊維で構成され、厚さが0.1〜1.0mmであり、透湿度が500〜4000g/m2・24時間である前項1または2に記載のタイルカーペット。 [3] In the backing layer, the nonwoven fabric having low moisture permeability is composed of long fibers made of synthetic fibers, has a thickness of 0.1 to 1.0 mm, and a moisture permeability of 500 to 4000 g / m 2 · 24. 3. The tile carpet according to 1 or 2 above, which is time.

[1]の発明によれば、表面パイル層及び補強層の下側における裏打ち層がクッション性のある不織布からなるために、軽量かつ耐久性があるクッション性を持つタイルカーペットが得られ、快適な歩行性が確保することが可能となり、施工後に床と床材との間に湿気がこもらない適度な通気性に優れたタイルカーペットが得られる。また、前記裏打ち層が低透湿性能を有する不織布とクッション性のある不織布が、接着剤を用いないニードルパンチ加工にて積層一体化されているので、クッション性が損なわれない裏打ち層となる。さらに、前記低透湿性能を有する不織布が前記補強層との接着面側に配置されているので、前記補強層と前記裏打ち層を接着一体化するための接着樹脂が、前記クッション性のある不織布に含浸することがないので、前記クッション性のある不織布のクッション性を維持させることが可能となり、軽量で、快適な歩行性を確保するためのクッション性優れたタイルカーペットとすることができる。 According to the invention of [1], since the backing layer on the lower side of the surface pile layer and the reinforcing layer is made of the cushioning nonwoven fabric, a lightweight and durable tile carpet having a cushioning property can be obtained and is comfortable. It becomes possible to ensure walking ability, and a tile carpet excellent in moderate air permeability in which moisture does not accumulate between the floor and the flooring after construction is obtained. In addition, since the backing layer is laminated and integrated by needle punching without using an adhesive, the nonwoven fabric having a low moisture permeability and the cushioning nonwoven fabric are formed into a backing layer that does not impair the cushioning property. Furthermore, since the nonwoven fabric having the low moisture permeability is disposed on the adhesive surface side with the reinforcing layer, the adhesive resin for bonding and integrating the reinforcing layer and the backing layer is the cushioning nonwoven fabric. Thus, the cushioning property of the non-woven fabric with cushioning properties can be maintained, and the tile carpet having excellent cushioning properties for securing a comfortable walking ability can be obtained.

[2]の発明によれば、前記裏打ち層において、前記クッション性のある不織布は、厚さが2.0〜7.0mmであるために、周囲の部分と大きな段差が生じる事無く、また、厚さ方向の圧縮弾性率が80〜97%であるために、軽量で、快適な歩行性を確保するためのクッション性優れたタイルカーペットとすることができる。 According to the invention of [2], in the backing layer, the cushioning non-woven fabric has a thickness of 2.0 to 7.0 mm, so that there is no significant step from the surrounding portion, and Since the compression elastic modulus in the thickness direction is 80 to 97%, the tile carpet is lightweight and has excellent cushioning properties for ensuring comfortable walking.

[3]の発明によれば、前記裏打ち層において、前記低透湿性能を有する不織布が合成繊維からなる長繊維で構成され、厚さが0.1〜1.0mmであることから、前記裏打ち層を嵩高にする事無く、透湿度が500〜4000g/m2・24時間であることから、前記補強層と前記裏打ち層を接着一体化するための接着樹脂が、接着一体化の加工時に圧力を与えた状態でも、前記クッション性のある不織布に含浸することを防ぐ遮蔽層とすることができる。さらに、使用時に床とタイルカーペットとの間に湿気がこもらない適度な通気性を維持することができる。 According to the invention of [3], in the backing layer, the nonwoven fabric having the low moisture permeability is composed of long fibers made of synthetic fibers and has a thickness of 0.1 to 1.0 mm. Since the moisture permeability is 500 to 4000 g / m 2 · 24 hours without making the layer bulky, the adhesive resin for bonding and integrating the reinforcing layer and the backing layer is pressure applied during the process of bonding integration. Even in the applied state, it can be a shielding layer that prevents impregnation of the cushioned nonwoven fabric. Furthermore, it is possible to maintain an appropriate air permeability so that moisture does not accumulate between the floor and the tile carpet during use.

以下に、この発明に係わるタイルカーペットの一実施形態を図面を参照しつつ説明する。本実施形態のタイルカーペット(1)は、表面パイル層(2)の裏面に接着樹脂層(5)が積層され、該接着樹脂層(5)の中間に補強層(3)が挿入され、さらに、接着樹脂層(5)の裏面に裏打ち層(4)が積層され、該裏打ち層(4)は低透湿性能を有する不織布(6)とクッション性のある不織布(7)とが、ニードルパンチ加工にて積層一体化された構成からなるタイルカーペットである。図1は、本実施形態のタイルカーペットの一部を拡大して示す概略断面図である。 Hereinafter, an embodiment of a tile carpet according to the present invention will be described with reference to the drawings. In the tile carpet (1) of the present embodiment, the adhesive resin layer (5) is laminated on the back surface of the surface pile layer (2), and the reinforcing layer (3) is inserted in the middle of the adhesive resin layer (5). The backing layer (4) is laminated on the back surface of the adhesive resin layer (5). The backing layer (4) comprises a nonwoven fabric (6) having low moisture permeability and a cushioning nonwoven fabric (7). This is a tile carpet having a configuration in which processing is laminated and integrated. FIG. 1 is an enlarged schematic cross-sectional view showing a part of the tile carpet of the present embodiment.

本発明における表面パイル層(2)は、基布にパイル糸をタフティング等により植設したタフトカーペットを用いることが好ましく、また、短繊維ウェブをニードルパンチにより起毛させたニードルパンチカーペットや、表面が起毛されてなる織編布や立体織編布、通常の織編布を使用してもよい。 The surface pile layer (2) in the present invention is preferably a tuft carpet in which a pile yarn is planted by tufting or the like on a base fabric, and a needle punch carpet in which a short fiber web is raised by needle punch, A woven or knitted fabric, a three-dimensional woven fabric, or a normal woven or knitted fabric may be used.

表面パイル層(2)を構成するパイル素材としては、一般的にカーペット素材として使用しているものを用いればよく、ウール、麻、コットン等の天然繊維やポリアミド系繊維、ポリエステル系繊維、ポリアクリル系繊維、ポリプロピレン系繊維等の合成樹脂繊維等が挙げられる。またパイルが植設される基布はポリエステル系繊維、ポリプロピレン系繊維等の合成樹脂繊維からなる織布や不織布を用いることが好ましい。なお、必要に応じて表面パイル層(2)における繊維の脱落を防止するために、表面パイル層(2)の下面にスチレン−ブタジエンゴム等のラテックス層を設けて繊維を固定しパイル抜けを防止することができる。 As a pile material constituting the surface pile layer (2), a material generally used as a carpet material may be used. Natural fibers such as wool, hemp and cotton, polyamide fibers, polyester fibers, polyacrylic are used. And synthetic resin fibers such as polypropylene fibers and polypropylene fibers. Moreover, it is preferable to use the woven fabric and nonwoven fabric which consist of synthetic resin fibers, such as a polyester fiber and a polypropylene fiber, as the base fabric by which a pile is planted. If necessary, a latex layer such as styrene-butadiene rubber is provided on the lower surface of the surface pile layer (2) to prevent the fibers from falling off the surface pile layer (2), thereby preventing the pile from coming off. can do.

本発明の補強層(3)はタイルカーペットの形状及び寸法安定性を向上させるものであって、ガラス繊維又はポリエステル繊維の不織布、織布、組布等が使用され、不織布としてはモノフィラメントを不規則に配列してバインダー又は熱で固定したもの、織布としてはモノフィラメントの束を織ったもの、組布としてはモノフィラメントの束を縦横斜めに配列してバインダーで固定したものを用いることができる。この補強層(3)は、接着樹脂層(5)の中間に配置される。これらの不織布、織布、組布等は、形状及び寸法安定性を向上させると同時に、通気性が高く、タイルカーペットに高い通気量を付与することができる。 The reinforcing layer (3) of the present invention improves the shape and dimensional stability of the tile carpet. Glass fiber or polyester fiber nonwoven fabric, woven fabric, braided fabric, etc. are used, and monofilaments are irregular as the nonwoven fabric. As the woven fabric, a bundle of monofilaments woven, and as the braided fabric, a bundle of monofilaments arranged vertically and horizontally and fixed with a binder can be used. This reinforcing layer (3) is disposed in the middle of the adhesive resin layer (5). These non-woven fabrics, woven fabrics, braided fabrics and the like improve shape and dimensional stability, and at the same time have high air permeability, and can impart a high air permeability to the tile carpet.

形状及び寸法安定性の観点から、中でもガラス又はポリエステル系不織布が好ましく、該ガラス又はポリエステル系不織布は、上下樹脂層の層間に挿入することにより、タイルカーペットの形状安定性を向上させるものである。即ち、前記ガラス又はポリエステル系不織布は樹脂層との接触面積が大であるので、有効にカーペットの形状を安定化することが可能である。この点から目付け量は、好ましくはガラス系不織布では15〜60g/mの範囲とし、ポリエステル系不織布では20〜100g/mの範囲である。いずれもこの範囲より低い目付け量では、寸法安定性の効果が不足し、またこの範囲を超える高い目付け量では、いずれも裏打ち層(4)と不織布間の層間剥離が生じ易く好ましくない。 From the viewpoints of shape and dimensional stability, glass or polyester-based non-woven fabric is preferable, and the glass or polyester-based non-woven fabric improves shape stability of the tile carpet by being inserted between the upper and lower resin layers. That is, since the glass or polyester-based nonwoven fabric has a large contact area with the resin layer, the shape of the carpet can be stabilized effectively. Basis weight from this point is preferably in the glass system nonwoven fabric in the range of 15 to 60 g / m 2, the range of 20 to 100 g / m 2 in the polyester nonwoven fabric. In any case, if the basis weight is lower than this range, the effect of dimensional stability is insufficient, and if the basis weight exceeds this range, any delamination between the backing layer (4) and the nonwoven fabric is likely to occur.

本発明における裏打ち層(4)は、タイルカーペット(1)の寸法安定性を確保し、タイルカーペット(1)にクッション性を付与する役割を果たすものであり、不織布が最適に使用される。本発明の裏打ち層(4)は低透湿性能を有する不織布(6)とクッション性のある不織布(7)で構成されている。 The backing layer (4) in the present invention plays a role of ensuring dimensional stability of the tile carpet (1) and imparting cushioning properties to the tile carpet (1), and a nonwoven fabric is optimally used. The backing layer (4) of the present invention is composed of a nonwoven fabric (6) having a low moisture permeability and a cushioned nonwoven fabric (7).

本発明において、前記低透湿性能を有する不織布(6)はスパンボンド不織布を用いる必要がある。前記スパンボンド不織布は、溶融押出機で溶融紡糸等した長繊維を堆積させ、これをエンボスローラーによって長繊維の溶融温度以上の温度で加熱圧接することによって、薄いシート状に作成されるものであり、繊維の拘束点が増える為、低透湿性能を有する不織布となる。また、均一性に優れた繊維ウェブにより安定した強度と剛性を有し、寸法安定性に優れた補強材としての効果も有する不織布となる
In the present invention, the nonwoven fabric (6) having low moisture permeability needs to be a spunbonded nonwoven fabric. The spunbonded non-woven fabric is formed into a thin sheet by depositing long fibers melt-spun with a melt extruder and heat-welding them with an embossing roller at a temperature higher than the melting temperature of the long fibers. Since the restraint points of the fibers increase, the nonwoven fabric has low moisture permeability. Moreover, it becomes the nonwoven fabric which has the effect as a reinforcing material which has the stable intensity | strength and rigidity with the fiber web excellent in uniformity, and was excellent in dimensional stability.

前記低透湿性能を有する不織布(6)を構成する繊維としては、ポリエステル繊維、ナイロン繊維、ポリオレフィン系繊維等の合成繊維等からなる長繊維が挙げられるが、熱による寸法変化の少ないポリエステル繊維が好ましい。また、構成する繊維の平均繊維径は10〜80μmが好ましく、20〜50μmがより好ましい。80μmを超えると、繊維組織が粗く、透湿性能が高くなり過ぎて、接着樹脂層(5)を構成する接着樹脂が下層の前記クッション性のある不織布(7)まで浸透し、多量の接着樹脂が必要となり、また、前記クッション性のある不織布(7)のクッション性が損なわれる結果となる。一方、10μm未満では、繊維組織が緻密過ぎて通気性が無くなる場合がある。 Examples of the fibers constituting the nonwoven fabric (6) having low moisture permeability include long fibers made of synthetic fibers such as polyester fibers, nylon fibers, polyolefin fibers, and the like. preferable. Moreover, 10-80 micrometers is preferable and, as for the average fiber diameter of the fiber to comprise, 20-50 micrometers is more preferable. When the thickness exceeds 80 μm, the fiber structure is too rough, the moisture permeability performance becomes too high, and the adhesive resin constituting the adhesive resin layer (5) penetrates into the cushioned nonwoven fabric (7), and a large amount of the adhesive resin. And the cushioning property of the cushioning nonwoven fabric (7) is impaired. On the other hand, if it is less than 10 μm, the fiber structure may be too dense and air permeability may be lost.

前記低透湿性能を有する不織布(6)の厚さは0.1〜1.0mmが好ましく、この範囲であれば、タイルカーペット(1)が嵩高になることなく、好適に寸法安定性を付与し、さらに前記クッション性のある不織布(7)のクッション性を減少させる事が無い。より好ましくは0.3〜0.7mmである。厚さが1.0mmを超える場合は嵩高になりすぎ、歩行が不安定になり、タイルカーペット(1)のクッション性が損なわれる。また、0.1mmを下回れば透湿性能が発揮されず、接着樹脂層(5)を構成する接着剤が前記クッション性のある不織布(7)の表面にまで染み出す可能性が生じる。また、厚さがその範囲であれば、前記低透湿性能を有する不織布(6)の目付は30〜120g/mとなり軽量なタイルカーペット(1)となる。 The thickness of the non-woven fabric (6) having low moisture permeability is preferably 0.1 to 1.0 mm, and within this range, the tile carpet (1) is suitably bulky without being bulky. Furthermore, the cushioning property of the cushioning nonwoven fabric (7) is not reduced. More preferably, it is 0.3-0.7 mm. When the thickness exceeds 1.0 mm, it becomes too bulky, walking becomes unstable, and the cushioning property of the tile carpet (1) is impaired. Further, if the thickness is less than 0.1 mm, moisture permeability is not exhibited, and the adhesive constituting the adhesive resin layer (5) may ooze out to the surface of the cushioning nonwoven fabric (7). Moreover, if thickness is the range, the fabric weight of the said nonwoven fabric (6) which has the low moisture permeability will be 30-120 g / m < 2 >, and will become a lightweight tile carpet (1).

前記低透湿性能を有する不織布(6)の透湿度は500〜4000g/m・24時間であり、前記補強層(3)と前記裏打ち層(4)を接着一体化するための接着樹脂が、接着一体化の加工時に圧力を与えた状態でも、前記低透湿性能を有する不織布(6)が前記補強層(3)との接着面側に配置されているので、前記クッション性のある不織布に含浸することを防ぐ遮蔽層とすることができる。その結果、接着樹脂を大量に使用することなく接着させることが可能となり、前記クッション性のある不織布に含浸することがないので、前記クッション性のある不織布のクッション性を維持させることが可能となる。また、該透湿度の範囲であれば、使用時に床とタイルカーペット(1)との間に湿気がこもらない適度な通気性を維持することができる。透湿度が500g/m・24時間に満たないと、使用時に床とタイルカーペット(1)との間に湿気がこもっていくという問題がり、4000g/m・24時間を超えると、接着一体化の加工時に圧力を与えた状態でも、前記補強層と前記裏打ち層を接着一体化するための接着樹脂が、前記クッション性のある不織布に含浸する。 The nonwoven fabric (6) having low moisture permeability has a moisture permeability of 500 to 4000 g / m 2 · 24 hours, and an adhesive resin for bonding and integrating the reinforcing layer (3) and the backing layer (4) is used. Since the nonwoven fabric (6) having the low moisture permeability is disposed on the adhesive surface side with the reinforcing layer (3) even in a state where pressure is applied during the process of bonding integration, the cushioning nonwoven fabric is provided. It can be set as the shielding layer which prevents impregnating. As a result, it is possible to bond without using a large amount of adhesive resin, and since the cushioning nonwoven fabric is not impregnated, the cushioning property of the cushioning nonwoven fabric can be maintained. . Moreover, if it is the range of this moisture permeability, the moderate air permeability which does not accumulate moisture between a floor and a tile carpet (1) at the time of use can be maintained. When the moisture permeability is less than 500g / m 2 · 24 hours, rising problem of moisture is gradually muffled between the floor and carpet tiles (1) at the time of use, and when it is more than 4000g / m 2 · 24 hours, the adhesive together Even in a state where pressure is applied during the processing, the cushioning nonwoven fabric is impregnated with an adhesive resin for bonding and integrating the reinforcing layer and the backing layer.

前記クッション性のある不織布(7)を構成する繊維としては、ポリエステル繊維、ナイロン繊維、ポリオレフィン系繊維等の合成繊維等または羊毛、木綿等の天然繊維等を単一または複数混合したものを挙げられるが、熱による寸法変化の少ないポリエステル繊維が好ましい。不織布の種類としては、短繊維フェルト、ニードルパンチ不織布、ケミカルボンド不織布等が挙げられるが、クッション性及び通気性を考慮すればニードルパンチ不織布が好ましい。 Examples of the fibers constituting the cushion nonwoven fabric (7) include single fibers or a mixture of synthetic fibers such as polyester fibers, nylon fibers and polyolefin fibers, or natural fibers such as wool and cotton. However, a polyester fiber with little dimensional change due to heat is preferable. Examples of the nonwoven fabric include short fiber felts, needle punched nonwoven fabrics, chemical bond nonwoven fabrics, and the like, but needle punched nonwoven fabrics are preferable in consideration of cushioning properties and air permeability.

また、前記クッション性のある不織布(7)は、厚さが2.0〜7.0mmと歩行に好適な裏打ち層(3)を形成している。この範囲であれば、タイルカーペット(1)に好適に寸法安定性及びクッション性を付与することができる。好ましくは4.0〜6.0mmである。厚さが2.0mmに満たないと好適な寸法安定性及びクッション性が得られず、7.0mmを超えると歩行が不安定なタイルカーペット(1)となる。またこの範囲であれば、重量は100〜800g/mとなり、従来のタイルカーペットと比較して格段に軽量化され、施工や運搬の容易性を向上されたタイルカーペット(1)となる。 Further, the cushioned nonwoven fabric (7) has a thickness of 2.0 to 7.0 mm and forms a backing layer (3) suitable for walking. If it is this range, dimension stability and cushioning property can be suitably provided to a tile carpet (1). Preferably it is 4.0-6.0 mm. If the thickness is less than 2.0 mm, suitable dimensional stability and cushioning properties cannot be obtained, and if it exceeds 7.0 mm, the walking becomes unstable tile carpet (1). Moreover, if it is this range, a weight will be 100-800 g / m < 2 >, and it will become a tile carpet (1) which was remarkably reduced in weight compared with the conventional tile carpet, and the ease of construction and conveyance was improved.

また、前記クッション性のある不織布(7)においては、繊維が3次元的に絡合している構造により、クッション性が発現し、軽量で快適な歩行性が確保できるタイルカーペット(1)が得られる。前記クッション性のある不織布(7)の圧縮弾性率は80〜97%であり、80%未満であると快適な歩行性が低下し、97%を超えるとクッション性が低下する。 Moreover, in the said nonwoven fabric (7) with a cushioning property, the tile carpet (1) which can provide a cushioning property and can ensure lightweight and comfortable walkability by the structure where the fiber is entangled three-dimensionally is obtained. It is done. The compression elastic modulus of the cushioning nonwoven fabric (7) is 80 to 97%. If it is less than 80%, the comfortable walking performance is lowered, and if it exceeds 97%, the cushioning property is lowered.

さらに、前記前記クッション性のある不織布(7)は繊維が3次元的に絡合している構造により、厚さ方向の通気度は1〜50(cm3/cm2・秒)を有し、床とタイルカーペット(1)との間に湿気がこもる事の無い通気性を確保できる。 Further, the cushioned nonwoven fabric (7) has a structure in which fibers are intertwined three-dimensionally, and has an air permeability of 1 to 50 (cm 3 / cm 2 · sec) in the thickness direction, Air permeability that does not accumulate moisture between the tile carpet (1) can be secured.

本発明の裏打ち層(4)を構成する低透湿性能を有する不織布(6)とクッション性のある不織布(7)はニードルパンチ加工にて積層一体化されていることを特徴とする。接着剤を用いないことにより、クッション性のある不織布(7)の好適なクッション性は維持される。また、引張強度が高く、寸法安定性に優れたスパンボンド不織布からなる低透湿性能を有する不織布(6)の補強効果で、クッション性のある不織布(7)の繊維が3次元的に絡合している構造が保持され、形状の安定した、好適な通気度を有し、クッション性のある裏打ち層(4)となる。 The nonwoven fabric (6) having low moisture permeability and the cushioning nonwoven fabric (7) constituting the backing layer (4) of the present invention are laminated and integrated by needle punching. By not using an adhesive, a suitable cushioning property of the cushioning nonwoven fabric (7) is maintained. In addition, the nonwoven fabric (7) with a cushioning property is three-dimensionally entangled with the reinforcing effect of the nonwoven fabric (6) having a low moisture permeability made of a spunbond nonwoven fabric with high tensile strength and excellent dimensional stability. Thus, the backing layer (4) has a cushioning property, a stable shape, a suitable air permeability, and a cushioning property.

本発明における表面パイル層(2)と、補強層(3)と裏打ち層(4)とを一体化させる接着樹脂層(5)は、公知の素材から構成することができ、例えば、樹脂ペースト塩化ビニル系樹脂からなるPVCベース、塩化ビニル−酢酸ビニル共重合体からなるEVAベース、APP樹脂からなるAPPベース、イソシアネート、及びポリオール等からなるPURベース等を用いることができる。加工性、経済性からPVCベースが好ましく、PVCベースとはポリ塩化ビニルからなるPVC系ゾルとワックスからなる可塑剤との混合物ゾルに充填剤、安定剤、顔料等の所要の添加剤を配合したペースト状物であり、加熱によってゲル化して均質な接着樹脂層(5)を形成する。 The adhesive resin layer (5) for integrating the surface pile layer (2), the reinforcing layer (3) and the backing layer (4) in the present invention can be composed of a known material, for example, resin paste chloride A PVC base made of a vinyl resin, an EVA base made of a vinyl chloride-vinyl acetate copolymer, an APP base made of an APP resin, a PUR base made of an isocyanate, a polyol, or the like can be used. PVC base is preferable from the viewpoint of processability and economy. PVC base is a mixture sol of PVC sol made of polyvinyl chloride and plasticizer made of wax, and necessary additives such as fillers, stabilizers and pigments are blended. It is a paste-like material and gels by heating to form a uniform adhesive resin layer (5).

前記塩化ビニルからなるPVC系ゾルの190℃での溶融粘度は300〜30000cPの範囲にあり、表面パイル層(2)へ十分に塗布含浸し糸抜け止性の優れたタイルカーペットとなる。また、前記塩化ビニルの強い材料強度により、収縮が発生しにくい優れたタイルカーペットとなる。 The PVC-based sol made of vinyl chloride has a melt viscosity at 190 ° C. in the range of 300 to 30000 cP, and is sufficiently impregnated and impregnated into the surface pile layer (2) to provide a tile carpet having excellent yarn slip-out prevention properties. Further, due to the strong material strength of the vinyl chloride, it becomes an excellent tile carpet in which shrinkage hardly occurs.

本発明における接着樹脂層(5)は前記補強層(3)の上層、下層に配置され、総塗布量は500〜1000g/mが好ましい。500g/mを下回れば接着強度が不足し、1000g/mを上回れば。施工や運搬の容易性を向上された軽量化されたタイルカーペット(1)とはならない。 The adhesive resin layer (5) in this invention is arrange | positioned at the upper layer of the said reinforcement layer (3), and a lower layer, and 500-1000 g / m < 2 > is preferable for the total application quantity. If it is below 500 g / m 2 , the adhesive strength is insufficient, and if it is above 1000 g / m 2 . It is not a lightweight tile carpet (1) with improved ease of construction and transportation.

次に本発明のタイルカーペット(1)の製造方法を以下に示す。まず始めに、クッション性のある不織布(7)となるニードルパンチ不織布に低透湿性能を有する不織布(6)となるスパンボンドを公知のニードルパンチ加工機によって接着一体化し裏打ち層(4)を準備する。 Next, the manufacturing method of the tile carpet (1) of this invention is shown below. First, a backing layer (4) is prepared by bonding and integrating a spunbond, which is a nonwoven fabric (6) having low moisture permeability, to a needle punched nonwoven fabric, which is a cushioning nonwoven fabric (7), using a known needle punch processing machine. To do.

そして次に、図2で示すように所定の速度で移動するベルトの上に、低透湿性能を有する不織布(6)面を上に裏打ち層(4)を乗せ、その上に接着樹脂層(5)を構成する組成物を1.0〜2.0mmの厚さに塗布し、補強層(3)としてガラス又はポリエステル系不織布をその上に貼リ合わせ、更に接着樹脂層(5)を構成する組成物を1.0〜2.0mmの厚さに塗布し、その上に表面パイル層(2)を積層し、次いでロール圧着し一体化させて、前記接着樹脂層(5)を構成する組成物をキュアさせるゲル化が達成されるのに十分な温度と時間を与えた後に、冷却工程を経て、最後に所定形状、例えば500mm角の正方形に裁断すれば、最終製品としてのタイルカーペットが得られる。 Then, as shown in FIG. 2, a backing layer (4) is placed on a non-woven fabric (6) surface having low moisture permeability on a belt moving at a predetermined speed, and an adhesive resin layer ( 5) is applied to a thickness of 1.0 to 2.0 mm, glass or a polyester-based non-woven fabric is laminated thereon as the reinforcing layer (3), and an adhesive resin layer (5) is further formed. The composition to be applied is applied to a thickness of 1.0 to 2.0 mm, the surface pile layer (2) is laminated thereon, and then roll-pressed and integrated to form the adhesive resin layer (5). After providing a temperature and time sufficient to achieve gelation for curing the composition, a cooling process is performed, and finally, the tile carpet as a final product is obtained by cutting into a predetermined shape, for example, a 500 mm square. can get.

以下に、本発明の実施例を記載するが、本発明は以下の実施例に限定されるものではない。 Examples of the present invention will be described below, but the present invention is not limited to the following examples.

本発明の通気度は、下記の方法により測定したものである。 The air permeability of the present invention is measured by the following method.

[圧縮弾性率]JIS L1022の参考試験にある圧縮率測定方法により測定した。 [Compressive elastic modulus] The compressive elastic modulus was measured by the compressive modulus measuring method in the reference test of JIS L1022.

<実施例1>所定の速度で移動するベルトの上に、下記仕様からなる裏打ち層を低透湿性能を有する不織布(6)面を上に乗せて、その上にPVC系ゾルに充填剤として炭酸カルシウムが含有させた接着樹脂層を構成する組成物を、厚さ1.5mm、塗布量400g/mを塗布し、40g/mのガラス不織布を補強層としてその上に張り合わせ、さらに接着樹脂層を構成する組成物を、厚さ1.5mm、塗布量400g/mを塗布し、その上に下記仕様からなる表面パイル層を積層し、次いでロール圧着して、樹脂層のPVC系ゾルをキュアさせる熱処理領域の温度を250℃で熱処理を施して、PVC系ゾルをゲル化させて冷却し、最後に500mm角の正方形に裁断し、タイルカーペットを製造した。このタイルカーペットにおける厚さ方向の圧縮弾性率が86%であった。重量は2460g/mであった。 [表面パイル層] ポリエステル長繊維不織布よりなる120g/mのタフテッドカーペット用一次基布に、ナイロン加工糸のパイル糸と原着ポリエステル捲縮糸(繊度3000dtx/192のパイル糸を1/10ゲージ、ループのタフティングマシンにセットしてステッチ(38/10cm)、パイル長(4mm)、目付け(800g/m)のタフテッドパイル原反を得た。重量は920g/mであった。 [裏打ち層] クッション性のある不織布として、厚さ4.5mm、目付け600g/m、厚さ方向の圧縮弾性率が90%のポリエステル繊維からなるニードルパンチ不織布を準備し、低透湿性能を有する不織布として、厚さが0.5mm、目付け100g/m、透湿度が2000g/m2・24時間のポリエステル繊維からなるスパンボンドをニードルパンチ加工機によって接着一体化し裏打ち層とした。重量は700g/mであった。 <Example 1> On a belt moving at a predetermined speed, a backing layer having the following specifications is placed on a non-woven fabric (6) surface having low moisture permeability, and a PVC sol is used as a filler thereon. the composition constituting the adhesive resin layer of calcium carbonate was contained, thickness 1.5 mm, the coating amount 400 g / m 2 was coated, laminated thereon a glass nonwoven 40 g / m 2 as a reinforcing layer, further adhesion The composition constituting the resin layer is applied with a thickness of 1.5 mm and a coating amount of 400 g / m 2 , and a surface pile layer having the following specifications is laminated thereon, followed by roll pressure bonding, and the PVC layer of the resin layer A heat treatment was performed at a temperature of 250 ° C. for curing the sol, the PVC sol was gelled and cooled, and finally cut into a 500 mm square to produce a tile carpet. The compression elastic modulus in the thickness direction of this tile carpet was 86%. The weight was 2460 g / m 2 . [Surface pile layer] Pile yarn of nylon-processed yarn and original polyester crimped yarn (pile yarn with a fineness of 3000 dtx / 192) are applied to a primary fabric for tufted carpet of 120 g / m 2 made of polyester long fiber nonwoven fabric. gauge was set in a tufting machine loop stitch (38/10 cm), the pile length (4 mm), to obtain a tufted pile raw basis weight (800g / m 2). weight was 920 g / m 2 [Backing layer] As a cushioning nonwoven fabric, a needle punched nonwoven fabric made of polyester fiber having a thickness of 4.5 mm, a basis weight of 600 g / m 2 , and a compressive elastic modulus in the thickness direction of 90% is prepared. as the nonwoven fabric with, 0.5 mm thickness, basis weight 100 g / m 2, moisture permeability or polyester fibers 2000g / m2 · 24 hours It was bonded and integrated to the backing layer by a spunbond made of needle punch machine. Weight was 700 g / m 2.

<比較例1>裏打ち層として、低透湿性能を有する不織布を用いずに、クッション性のある不織布として、厚さ4.5mm、厚さ方向の圧縮弾性率が90%のポリエステル繊維からなるニードルパンチ不織布のみを使用したこと以外実施例1と全く同様にして、タイルカーペットを得た。このタイルカーペット(1)における厚さ方向の圧縮弾性率が65%であった。重量は2360g/mであった。 <Comparative Example 1> As a backing layer, a needle made of polyester fiber having a thickness of 4.5 mm and a compressive modulus in the thickness direction of 90% is used as a cushioning nonwoven fabric without using a nonwoven fabric having low moisture permeability. A tile carpet was obtained in exactly the same manner as in Example 1 except that only a punched nonwoven fabric was used. The compressive elastic modulus in the thickness direction of this tile carpet (1) was 65%. The weight was 2360 g / m 2 .

<比較例2>クッション性のある不織布として、厚さ4.5mm、厚さ方向の圧縮弾性率が90%のポリエステル繊維からなるニードルパンチ不織布を準備し、低透湿性能を有する不織布として、厚さが0.5mm、透湿度が2000g/m2・24時間のポリエステル繊維からなるスパンボンドをウレタン系接着剤80g/m塗布し、接着一体化し裏打ち層としたこと以外実施例1と全く同様にして、タイルカーペットを得た。このタイルカーペット(1)における厚さ方向の圧縮弾性率が68%であった。重量は2440g/mであった。 <Comparative Example 2> As a nonwoven fabric having cushioning properties, a needle punched nonwoven fabric made of polyester fiber having a thickness of 4.5 mm and a compressive elastic modulus in the thickness direction of 90% is prepared. Spunbond made of polyester fiber with a thickness of 0.5 mm and moisture permeability of 2000 g / m 2 · 24 hours was applied in the same manner as in Example 1 except that urethane adhesive 80 g / m 2 was applied and integrated into a backing layer. I got a tile carpet. The compression elastic modulus in the thickness direction of this tile carpet (1) was 68%. The weight was 2440 g / m 2 .

実施例1、比較例1、2から明らかなように、実施例1のタイルカーペットは、軽量で圧縮弾性率に優れた十分に使用に耐えうるタイルカーペットを得た。これに対し、比較例1,2のタイルカーペットは軽量であるものの、良好なクッション性のあるタイルカーペットが得られなかった。 As is clear from Example 1 and Comparative Examples 1 and 2, the tile carpet of Example 1 obtained a tile carpet that was light and excellent in compression elastic modulus and could be fully used. On the other hand, although the tile carpets of Comparative Examples 1 and 2 were lightweight, a tile carpet having good cushioning properties could not be obtained.

本発明の一実施形態に係わる本発明タイルカーペットの断面図である。It is sectional drawing of this invention tile carpet concerning one Embodiment of this invention. 本発明の一実施形態に係わる本発明タイルカーペットの製造装置の概略図である。It is the schematic of the manufacturing apparatus of this invention tile carpet concerning one Embodiment of this invention.

1………タイルカーペット2………表面パイル層3………補強層4………裏打ち層5………接着樹脂層6………低透湿性能を有する不織布7………クッション性のある不織布 DESCRIPTION OF SYMBOLS 1 ......... Tile carpet 2 ......... Surface pile layer 3 ......... Reinforcement layer 4 ...... Backing layer 5 ......... Adhesive resin layer 6 ......... Non-woven fabric 7 having low moisture permeability ......... Cushioning A certain nonwoven fabric

Claims (3)

基布にパイルが植設されたパイル布帛からなる表面パイル層と、ガラス繊維又はポリエステル繊維の不織布、或いは織布からなる補強層と、裏打ち層の3層が接着樹脂層を介して接着一体化されてなるタイルカーペットにおいて、前記裏打ち層が低透湿性能を有する不織布とクッション性のある不織布が、ニードルパンチ加工にて積層一体化されて、前記低透湿性能を有する不織布が前記補強層との接着面側に配置されていること特徴とするタイルカーペット。 A surface pile layer made of a pile fabric in which a pile is planted on a base fabric, a reinforcing layer made of a nonwoven fabric or a woven fabric of glass fiber or polyester fiber, and a backing layer are bonded and integrated through an adhesive resin layer. In the tile carpet, the nonwoven fabric having low moisture permeability and the nonwoven fabric having cushioning properties are laminated and integrated by needle punching, and the nonwoven fabric having low moisture permeability is the reinforcing layer. A tile carpet characterized in that the tile carpet is arranged on the adhesive surface side. 前記裏打ち層において、前記クッション性のある不織布は、天然繊維または合成繊維、およびそれらの混合物よりなる群から選ばれる少なくとも1種以上の繊維で構成され、厚さが2.0〜7.0mmであり、厚さ方向の圧縮弾性率が80〜97%である請求項1に記載のタイルカーペット。 In the backing layer, the cushioned nonwoven fabric is composed of at least one fiber selected from the group consisting of natural fibers or synthetic fibers, and mixtures thereof, and has a thickness of 2.0 to 7.0 mm. The tile carpet according to claim 1, wherein the compressive elastic modulus in the thickness direction is 80 to 97%. 前記裏打ち層において、前記低透湿性能を有する不織布が合成繊維からなる長繊維で構成され、厚さが0.1〜1.0mmであり、透湿度が500〜4000g/m・24時間である請求項1または2に記載のタイルカーペット。 In the backing layer, the nonwoven fabric having low moisture permeability is composed of long fibers made of synthetic fibers, has a thickness of 0.1 to 1.0 mm, and a moisture permeability of 500 to 4000 g / m 2 · 24 hours. The tile carpet according to claim 1 or 2.
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JP2013248322A (en) * 2012-06-04 2013-12-12 Tajima Inc Carpet tile
JP2019183353A (en) * 2018-04-17 2019-10-24 山形県 Treatment method of animal fiber, and fiber product

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JP2013248322A (en) * 2012-06-04 2013-12-12 Tajima Inc Carpet tile
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