JP5006305B2 - Wiping nonwoven fabric for wire - Google Patents

Wiping nonwoven fabric for wire Download PDF

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JP5006305B2
JP5006305B2 JP2008297798A JP2008297798A JP5006305B2 JP 5006305 B2 JP5006305 B2 JP 5006305B2 JP 2008297798 A JP2008297798 A JP 2008297798A JP 2008297798 A JP2008297798 A JP 2008297798A JP 5006305 B2 JP5006305 B2 JP 5006305B2
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nonwoven fabric
wire
fiber
wiping
oil
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JP2010121249A (en
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高広 妹尾
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Kureha Ltd
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Description

本発明は主として溶接用ワイヤーの如きワイヤーの表面に添加された油の過剰部分を拭き取り、表面の油を均一化するのに使用されるワイヤー用ワイピング不織布に関するものである。   The present invention mainly relates to a wiping nonwoven fabric for wire used for wiping off an excess portion of oil added to the surface of a wire such as a welding wire and making the surface oil uniform.

溶接用ワイヤーは表面の酸化防止，潤滑のために油（パーム油）等を付与することが必要である。このワイヤーの表面処理はワイヤーに油を添加し、この油の過剰部分を拭き取り、表面の油を均一にすることであるが、従前においてはワイヤー表面に固体潤滑剤を混合した液体潤滑剤を付着させる方法（例えば特許文献１参照）や有機モリブデンを含有させた液体潤滑剤を付着させる方法（例えば特許文献２参照）の如く潤滑剤の付着方法が提案されていることが多く、油の過剰部分の拭き取りについては殆ど触れられていない。油の過剰部分のふき取りは現在、一般的に不織布が用いられ、走行中のワイヤーに油を添加してその表面を一対の不織布に挟んで余分な油を拭き取ると同時に表面の油の均一を行っている。しかし、現在用いられている不織布はワイヤーに油を付与する過程で不織布がたるみ（皺）やよれを起こしたり表面油斑が生じたり、ワイヤーにより不織布自身が剥離することが起こり、十分なものとは云えなかった。
特開２００２−２３９７７９号公報 特開平６−２６２３８９号公報 It is necessary to apply oil (palm oil) or the like for the surface of the welding wire to prevent oxidation and lubrication. The surface treatment of this wire is to add oil to the wire, wipe off the excess part of this oil, and make the surface oil uniform, but in the past, a liquid lubricant mixed with a solid lubricant was attached to the wire surface In many cases, a method of attaching a lubricant such as a method of attaching a liquid lubricant containing organic molybdenum (see, for example, Patent Document 1) or a method of attaching a liquid lubricant containing organic molybdenum has been proposed. There is little mention of wiping off. Currently, non-woven fabric is generally used for wiping off excess oil. The oil is added to the running wire and the surface is sandwiched between a pair of non-woven fabrics to wipe off excess oil and at the same time make the surface uniform. ing. However, the nonwoven fabric currently in use is sufficient as the nonwoven fabric sags (crawls) or kinks or surface oil spots occur in the process of applying oil to the wire, or the nonwoven fabric itself peels off due to the wire. I couldn't say.
JP 2002-239779 A JP-A-6-262389

本発明は上述の如き実状に対処し、特にワイヤーに油を均一に付与するための不織布の構成ならびに特性に付いて検討を加え、ワイヤー表面処理中に生じるめくれ（不織布の皺）や不織布自身の剥離を抑制した不織布を提供することを目的とするものである。   The present invention addresses the actual situation as described above, and in particular, examines the configuration and characteristics of the nonwoven fabric to uniformly apply oil to the wire, and turns the nonwoven fabric (woven fabric wrinkles) and the nonwoven fabric itself during the wire surface treatment. It aims at providing the nonwoven fabric which suppressed peeling.

即ち、上記目的に適合する本発明ワイピング不織布の特徴は、スパンボンド不織布の如き長繊維からなる基材に疎水性短繊維と親水性短繊維を混繊して得た短繊維層を積層し、ニードル加工して一体化して後に樹脂接着して得た不織布であって、初期伸張弾性率が４０００〜７５００Ｎ／５０ｍｍ／１００％で、０．５ｍｍ圧縮時応力が２．０〜１０．０Ｎ／ｃｍ2／０．５ｍｍ、揚油高さが１．０ｃｍ以上である特性を有することからなる。 That is, the characteristic of the wiping nonwoven fabric of the present invention that meets the above purpose is that a short fiber layer obtained by mixing hydrophobic short fibers and hydrophilic short fibers is laminated on a substrate made of long fibers such as a spunbond nonwoven fabric, Non-woven fabric obtained by needle processing and integration and then resin-bonding, initial tensile elastic modulus is 4000-7500 N / 50 mm / 100%, 0.5 mm compression stress is 2.0-10.0 N / cm 2 / 0.5 mm, and the oil pumping height is 1.0 cm or more.

ここで上記積層体不織布は目付質量が８０〜３００ｇ／ｍ2で、厚さが１．５〜３．０ｍｍの範囲であることが好ましい。また、短繊維層は使用する疎水性繊維がポリエステル繊維、親水性繊維がレーヨン繊維であって、その混繊比率が９０／１０〜４０／６０の範囲であることが実用的である。また、接着樹脂はアクリル系又は酢酸ビニル・アクリル系を主体とした樹脂が最も一般的であり、目付質量２０〜６０ｇ／ｍ2の範囲で使用するのが好適である。 Here, the laminate nonwoven fabric preferably has a basis weight of 80 to 300 g / m 2 and a thickness of 1.5 to 3.0 mm. In the short fiber layer, it is practical that the hydrophobic fibers used are polyester fibers and the hydrophilic fibers are rayon fibers, and the mixing ratio thereof is in the range of 90/10 to 40/60. The adhesive resin is most commonly an acrylic resin or a vinyl acetate / acrylic resin, and is preferably used in a mass range of 20 to 60 g / m 2 .

上記本発明ワイピング不織布は基材として長繊維基材を用いているため、短繊維抜けや毛羽発生が起こらず、ワイヤー表面の品質を阻害することも起こることがない効果を有すると共に、親水性繊維を所要範囲混繊していることによりバインダー樹脂の分散、繊維層間の接着を均一化せしめることができ、また上記各特性を具備せしめることによりワイヤーを挟んだ不織布の特性を十分発揮することが可能となり、不織布で挟まれたワイヤーの走行中に起こる不織布のよれ、たるみや剥離をなくし、均一な油の付与を行い、油の荷重部分の拭き取りを良好ならしめる効果を有している。   Since the above-mentioned wiping nonwoven fabric of the present invention uses a long fiber base material as a base material, there is an effect that short fiber missing and fluff generation do not occur, and the quality of the wire surface is not hindered. By mixing the required range, the dispersion of the binder resin and the adhesion between the fiber layers can be made uniform, and by providing each of the above characteristics, the characteristics of the nonwoven fabric sandwiching the wires can be fully exhibited. Thus, there is an effect of eliminating sag, sag or peeling of the nonwoven fabric that occurs during the running of the wire sandwiched between the nonwoven fabrics, applying uniform oil, and wiping off the oil load.

以下、更に本発明の具体的形態について詳述する。   Hereinafter, specific embodiments of the present invention will be described in detail.

本発明に係るワイピング不織布はワイヤー表面の油剤を均一化して余剰油を拭き取り、余分な油を吸い取る役割を有するものであり、そのためワイヤーを一対の不織布に挟んで（一般には把持長さは７０ｍｍ程度，線速度６００ｍｐｍ）ワイヤーに添加された油をワイヤー表面に均一に延ばし、余分な油を不織布内に吸収する。   The wiping nonwoven fabric according to the present invention has a role of making the oil agent on the surface of the wire uniform and wiping off excess oil and absorbing excess oil. Therefore, the wire is sandwiched between a pair of nonwoven fabrics (generally the gripping length is about 70 mm). , Linear velocity 600 mpm) The oil added to the wire is evenly spread on the wire surface, and excess oil is absorbed into the nonwoven fabric.

図１は上記本発明に係るワイピング不織布の構成の１例を示す概要図、図２は同不織布を一対使用した油均一化処理状態を示す説明図である。これら図において、１は長繊維よりなる基材、２は油の吸着能を有する短繊維層を示し、これら基材１と短繊維層２を積層し、ニードル加工で一体化した後、接着樹脂３で接着することにより本発明不織布が構成されている。そして、上記不織布Ａは図２に示す如く一対の不織布の間にワイヤー４を挟み込んで表面処理に付せられるが、このとき互いに基材１側を対向させて基材１間にワイヤー４を挟み込むようにする。短繊維層側を直接ワイヤーに接触させると繊維の毛羽立ちを生じる恐れがある。   FIG. 1 is a schematic view showing an example of the configuration of the wiping nonwoven fabric according to the present invention, and FIG. 2 is an explanatory view showing a state of oil homogenization using a pair of the nonwoven fabric. In these figures, 1 is a base material made of long fibers, 2 is a short fiber layer having an oil adsorbing ability, these base material 1 and short fiber layer 2 are laminated and integrated by needle processing, and then an adhesive resin The nonwoven fabric of this invention is comprised by adhere | attaching by 3. FIG. And as for the said nonwoven fabric A, as shown in FIG. 2, the wire 4 is inserted | pinched between a pair of nonwoven fabrics, and it is attached | subjected to surface treatment, but the base material 1 side is mutually opposed at this time, and the wire 4 is inserted | pinched between the base materials 1 Like that. If the short fiber layer side is brought into direct contact with the wire, there is a risk of fiber fluffing.

ここで、上記不織布を構成する基材１は長繊維不織布であることが好ましく、短繊維ではワイヤーに接するところで短繊維抜けや毛羽を発生し、ワイヤー表面の品質を損なうことになるので好ましくない。一般に基材はポリエステルのスパンボンド不織布が用いられ、不織布の目付質量範囲としては２０〜５０ｇ／ｍ2が好ましい。目付質量範囲が２０ｇ／ｍ2未満では薄いためにワイヤーとの接触が不均一となり易く、目付質量が５０ｇ／ｍ2を超えるとワイヤーとの接触は問題はないが、余分な油の吸収が遅くなるのでワイヤー表面の油不均一を起こすので好ましくない。 Here, the base material 1 constituting the nonwoven fabric is preferably a long-fiber nonwoven fabric, and short fibers are not preferred because they cause short-fiber omission and fluff when they come into contact with the wire and impair the quality of the wire surface. In general, a polyester spunbond nonwoven fabric is used as the substrate, and the basis weight range of the nonwoven fabric is preferably 20 to 50 g / m2. If the mass per unit area is less than 20 g / m 2 , the contact with the wire tends to be uneven because it is thin, and if the mass per unit area exceeds 50 g / m 2 , there is no problem with contact with the wire, but the absorption of excess oil is slow. Therefore, the oil on the wire surface is not uniform, which is not preferable.

一方、基材１に積層される短繊維層２は、短繊維層内の接着を良好ならしめるため疎水性繊維と、親水性繊維の混繊であることが効果的である。疎水性繊維としては汎用合成繊維であれば特に限定されないが、一般にポリエステル繊維が用いられ、親水性繊維としてはレーヨン，ビニロン繊維が挙げられ、特にレーヨン繊維が好適である。   On the other hand, it is effective that the short fiber layer 2 laminated on the substrate 1 is a mixed fiber of hydrophobic fibers and hydrophilic fibers in order to improve the adhesion in the short fiber layer. Hydrophobic fibers are not particularly limited as long as they are general-purpose synthetic fibers, but polyester fibers are generally used, and hydrophilic fibers include rayon and vinylon fibers, with rayon fibers being particularly preferred.

これら短繊維層２における繊維の繊度は特に限定されないが、０．５〜１０デシテックス（ｄｔｅｘ）の範囲が好適である。そして、疎水性繊維と親水性繊維との混繊においてその混繊比率は９０／１０〜４０／６０の範囲、好ましくは８０／２０〜５０／５０がよく、親水性繊維が１０未満であるとバインダーの分散が不十分となり、短繊維層内の繊維間の接着が不均一となり易くなるので好ましくなく、また、親水性繊維が６０を超えるとバインダー量に対して親水性接着繊維の量が多くなり、バインダーの分布が不均一となり易いので、その結果、短繊維層内の繊維間の接着が不均一となり易くなるので好ましくない。   The fineness of the fibers in these short fiber layers 2 is not particularly limited, but a range of 0.5 to 10 dtex is preferable. And in the mixed fiber of hydrophobic fiber and hydrophilic fiber, the mixing ratio is in the range of 90/10 to 40/60, preferably 80/20 to 50/50, and the hydrophilic fiber is less than 10. The dispersion of the binder becomes insufficient, and the adhesion between the fibers in the short fiber layer tends to be non-uniform, which is not preferable. When the number of hydrophilic fibers exceeds 60, the amount of hydrophilic adhesive fibers is larger than the amount of binder. Since the distribution of the binder tends to be non-uniform, adhesion between the fibers in the short fiber layer tends to be non-uniform, which is not preferable.

また、上記混繊による短繊維層の目付質量は４０〜１９０ｇ／ｍ2の範囲が好適である。目付質量が４０ｇ／ｍ2未満であると不織布の必要特性を得ることが難しく、また油吸収能が低下するので好ましくなく、また、目付質量が１９０ｇ／ｍ2を超えると不織布の特性は十分に確保できるが過剰性能となる。またコストの面でも好ましくない。 Also, the basis weight mass of short fiber layer of the above fiber-mixing is preferably in the range of 40~190g / m 2. If the mass per unit area is less than 40 g / m 2 , it is difficult to obtain the necessary properties of the nonwoven fabric, and the oil absorption capacity is lowered, which is not preferable. If the mass per unit area exceeds 190 g / m 2 , the characteristics of the nonwoven fabric are sufficient. Can be secured, but excessive performance. Moreover, it is not preferable also in terms of cost.

そして、上記基材１と短繊維層２はワイピング不織布として使用するにあたり、両者を積層しただけでは走行するワイヤーによって不織布が剪断応力を受けて層間剥離を生じ、容易に層ずれを起こすので、これを防ぐため一体化処理することが必要である。   When the base material 1 and the short fiber layer 2 are used as a wiping nonwoven fabric, the nonwoven fabric is subjected to shear stress by the traveling wire, causing delamination easily by laminating the both, and this easily causes a layer shift. In order to prevent this, it is necessary to perform an integrated process.

そこで、一体化のためにニードル加工による交絡処理と樹脂接着が行なわれるが、何れか一方だけで接着したのでは不充分であるので両者が併用される。この両者の併用により強い接着が可能となり、層間の剥離を起こしにくくすることができる。   Therefore, for the purpose of integration, entanglement processing by needle processing and resin bonding are performed. However, since it is not sufficient to bond only one of them, both are used together. The combination of both enables strong adhesion and makes it difficult to cause delamination between layers.

なお、ニードル加工は基布（スパンボンド不織布）に積層した短繊維層に短繊維層からスパンボンド不織布へニードル針で交絡処理をすることによって行なわれ、交絡の度合いは針深さと針密度で調節する。   Needle processing is performed by tangling the short fiber layer laminated to the base fabric (spunbond nonwoven fabric) from the short fiber layer to the spunbond nonwoven fabric with a needle needle, and the degree of entanglement is adjusted by the needle depth and needle density. To do.

一方、樹脂接着３は特に基布１（スパンボンド不織布）と短繊維層２をニードル加工で一体化した後、繊維間の接着を行なう。バインダー（樹脂）としては酢酸ビニル系やアクリル系の樹脂が好適であり、撥油性のバインダーは好ましくない。繊維構成として親水性繊維が混繊比率で１０〜６０の範囲であると繊維層内のバインダーの均一性を高めるので好ましい。樹脂の付着量は２０〜６０ｇ／ｍ2の範囲が好適であり、付着量が２０ｇ／ｍ2未満であると単繊維間の接着が不充分となり、付着量が６０ｇ／ｍ2を超えると逆に樹脂量が多くなり不織布を硬くするので何れも好ましくない。 On the other hand, in the resin bonding 3, the base fabric 1 (spunbond nonwoven fabric) and the short fiber layer 2 are integrated by needle processing, and then the fibers are bonded. As the binder (resin), vinyl acetate or acrylic resin is suitable, and an oil-repellent binder is not preferred. It is preferable that the hydrophilic fiber has a fiber mixing ratio in the range of 10 to 60 because the uniformity of the binder in the fiber layer is enhanced. Adhesion amount of the resin is preferably in the range of 20 to 60 g / m 2, and the amount of deposition is less than 20 g / m 2 adhesive is insufficient between single fibers, the adhesion amount is more than 60 g / m 2 reverse Since the amount of resin increases and the nonwoven fabric is hardened, neither is preferable.

かくして、以上を総合し、本発明ワイピング不織布は先ず、基材１に疎水性繊維と親水性繊維からなる短繊維層２を積層し、ニードル加工により一体化した後、樹脂接着してなる不織布よりなることを第１の要件とする。この場合、上記積層体不織布は目付質量が８０〜３００ｇ／ｍ2で、厚さが１．５〜３．０ｍｍの範囲であることが好ましい。そして、本発明は上記不織布にもとづいて更にワイヤーのワイピング用として使用するに適した特性を見出したことを第２の要件とするものである。 Thus, by combining the above, the wiping nonwoven fabric of the present invention is a nonwoven fabric obtained by first laminating a short fiber layer 2 composed of hydrophobic fibers and hydrophilic fibers on a base material 1 and integrating them by needle processing, followed by resin bonding. This is the first requirement. In this case, the laminate nonwoven fabric preferably has a mass per unit area of 80 to 300 g / m 2 and a thickness of 1.5 to 3.0 mm. And this invention makes it the 2nd requirement to discover the characteristic suitable for using it further for the use for wiping of a wire based on the said nonwoven fabric.

即ち、ワイヤーへの油付与中の不織布に対する特性としては、先ず、ワイヤーが不織布を走行中に「よれ」の発生が起こる場合があるが、これは不織布の初期伸張弾性率に関係すること、ワイヤーが走行時の不織布のワイヤーを把持する度合いは圧縮時応力が関係すること、そして、ワイヤー表面の余剰油の吸収の度合いは不織布の油含浸性（油吸い上げ高さ）が関係することを検討の結果、知見した。   That is, as for the characteristics of the nonwoven fabric during application of oil to the wire, first, the occurrence of “twisting” may occur while the wire travels through the nonwoven fabric, which is related to the initial elastic modulus of elasticity of the nonwoven fabric. The degree of gripping of the nonwoven fabric wire during travel is related to the stress during compression, and the degree of absorption of excess oil on the wire surface is related to the oil impregnation property (oil uptake height) of the nonwoven fabric. As a result, I found out.

そこで、本発明は上記検討の結果に基づいて夫々の特性を探求し、初期伸張弾性率が４０００〜７５００Ｎ／５０mｍ／１００％で、０．５ｍｍ圧縮時応力が２．０〜０Ｎ／ｃｍ2／０．５ｍｍ ，揚油高さが１．０ｃｍ以上である特性を有することが本発明の目的達成に適性であることを見出した。 Therefore, the present invention explores the respective characteristics based on the results of the above investigation, and the initial tensile elastic modulus is 4000 to 7500 N / 50 mm / 100%, and the stress at the time of 0.5 mm compression is 2.0 to 0 N / cm 2 / It has been found that having the properties of 0.5 mm and the height of oil pumping of 1.0 cm or more is suitable for achieving the object of the present invention.

なお、ここで本発明不織布の目付質量，厚さも当該不織布をワイピング用不織布として使用する上で特定されることが通常であり、前述の如く目付質量としては８０〜３００ｇ／ｍ2の範囲が好ましく、厚さは１．５〜３．０ｍｍの範囲が好適である。目付質量は８０ｇ／ｍ2未満であるとワイヤーを挟み込んだ場合、ワイヤーを把持する不織布の量が少ないために圧縮特性が発現できず、またワイヤー付与の余分な油の吸収性が劣り塗布斑を起こすので好ましくない。 Here, the weight per unit area and thickness of the nonwoven fabric of the present invention are usually specified when the nonwoven fabric is used as a nonwoven fabric for wiping. As described above, the basis weight is preferably in the range of 80 to 300 g / m 2. The thickness is preferably in the range of 1.5 to 3.0 mm. When the weight is less than 80 g / m 2 , when the wire is sandwiched, the amount of nonwoven fabric that grips the wire is small, so compression characteristics cannot be expressed, and the absorption of excess oil applied to the wire is inferior. It is not preferable because it happens.

一方、目付質量は３００ｇ／ｍ2を超えるとワイヤーを挟んだ不織布の特性が十分に発揮でき、均一な油の付与ができ、余分な油の吸収も十分であるが総合的に過剰品質となる。また、不織布の厚さが１．５ｍｍ未満であるとワイヤーを挟み込んだ場合、ワイヤーを把持する不織布の圧縮特性が発揮できず、ワイヤー表面の油を均一にすることが難しくなるので好ましくなく、一方、不織布の厚さが３．０ｍｍを超えるとワイヤーを挟んだ不織布の特性は十分に発揮できるがコスト面から好ましくない。 On the other hand, when the mass per unit area exceeds 300 g / m 2 , the characteristics of the nonwoven fabric sandwiching the wire can be sufficiently exerted, uniform oil can be imparted, and excess oil can be absorbed sufficiently, but the overall quality becomes excessive. . In addition, when the wire is sandwiched when the thickness of the nonwoven fabric is less than 1.5 mm, the compression characteristics of the nonwoven fabric that holds the wire cannot be exhibited, and it is difficult to make the oil on the wire surface uniform. When the thickness of the nonwoven fabric exceeds 3.0 mm, the properties of the nonwoven fabric sandwiching the wire can be sufficiently exhibited, but this is not preferable from the viewpoint of cost.

次に上記不織布の特性については、先ず不織布の初期伸張弾性率は４０００〜７５００Ｎ／５０mｍ／１００％の範囲が良い。不織布の初期伸張弾性率が４０００Ｎ／５０mｍ／１００％未満であると不織布で挟まれたワイヤーが走行中に不織布を引きずり易くなり、不織布自身がよれた状態になり易くなるので適切でなく、また、不織布の初期伸張弾性率が７５００Ｎ／５０mｍ／１００％を超えると不織布で挟まれたワイヤーが走行中に不織布を引きずることはないが、表面が硬いためにワイヤー表面が斑になり易くなるので同様に適当でない。   Next, as for the characteristics of the nonwoven fabric, the initial tensile elastic modulus of the nonwoven fabric is preferably in the range of 4000 to 7500 N / 50 mm / 100%. If the initial tensile elastic modulus of the nonwoven fabric is less than 4000 N / 50 mm / 100%, the wire sandwiched between the nonwoven fabrics is likely to drag the nonwoven fabric during travel, and the nonwoven fabric itself is likely to be in a state of being twisted. If the initial elastic modulus of the nonwoven fabric exceeds 7500 N / 50 mm / 100%, the wire sandwiched between the nonwoven fabrics will not drag the nonwoven fabric during travel, but the surface of the wire is likely to become uneven because the surface is hard. Not appropriate.

また、不織布の０．５ｍｍ時圧縮応力は２．０〜１０．０Ｎ／ｃｍ2／０．５ｍｍの範囲が良く、不織布の０．５ｍｍ時圧縮応力が２．０Ｎ／ｃｍ2／０．５ｍｍ未満では不織布に挟まれたワイヤーが走行中に把持力が弱いためにワイヤー表面に油を均一に付与することが出来なくなるので好ましくなく、不織布の０．５ｍｍ時圧縮応力が１０．０Ｎ／ｃｍ２／０．５ｍｍを超えると不織布で挟まれたワイヤーが走行中に把持力が強すぎてワイヤー表面の油を均一に付与することが出来なくなるので好ましくない、更に不織布の油含浸性（油吸い上げ高さ）、即ち、揚油高さが１．０ｃｍ以上であることが重要である。不織布の揚油高さ（油吸い上げ高さ）が１．０ｃｍ未満であるとワイヤーに塗布した余分な油を速やかに吸収することが出来にくくワイヤーの表面に塗布斑を起こさせることがあるので好ましくない。 Further, 0.5 mm when the compression stress of the nonwoven fabric may have a range of 2.0~10.0N / cm 2 /0.5mm, 0.5mm when compressive stress of the nonwoven fabric is 2.0 N / cm less than 2 0.5 mM In this case, since the wire sandwiched between the nonwoven fabrics has a weak gripping force during traveling, it is not preferable since oil cannot be uniformly applied to the wire surface, and the compressive stress at 0.5 mm of the nonwoven fabric is 10.0 N / cm2 / 0. If the wire length exceeds 5 mm, the gripping force of the wire sandwiched between the nonwoven fabrics is too strong during travel, making it impossible to uniformly apply oil on the wire surface. That is, it is important that the pumping height is 1.0 cm or more. It is not preferable that the lifting height (oil suction height) of the nonwoven fabric is less than 1.0 cm because it is difficult to quickly absorb excess oil applied to the wire, and it may cause application spots on the surface of the wire. .

以上のように本発明不織布はワイピング用として上記各特性を具備することにより前記不織布構成と相俟ってワイヤー用ワイピング不織布としてワイヤーに油を付与する処理中においてワイヤーによってめくれ（不織布の皺）や不織布自身の剥離を生ずることもなく、効果的に油の均一付与，余剰オイルの拭き取りを行なうことができる。以下、更に本発明の具体的な実施例を比較例と対照して説明する。   As described above, the nonwoven fabric of the present invention has the above-mentioned properties for wiping, and in combination with the nonwoven fabric configuration, the wire is turned up by the wire during the process of applying oil to the wire as a wiping nonwoven fabric for wires (nonwoven fabric wrinkles) It is possible to effectively impart uniform oil and wipe off excess oil without causing the nonwoven fabric itself to peel off. Hereinafter, specific examples of the present invention will be described in contrast to comparative examples.

実施例１
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維７０質量％と、繊度１．７デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維３０質量％を均一混繊して目付質量が１００ｇ／ｍ2の短繊維層を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量２５ｇ／ｍ2）に積層し短繊維層からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１９本／ｃｍ2、引き続き針深さ１５．０ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量３５ｇ／ｍ2を付与した。得られたワイピング不織布は目付質量１６０．０ｇ／ｍ2、厚さ１．７ｍｍであった。 Example 1
Uniform mixing of 70% by mass of polyester fiber with a fineness of 2.2 decitex (dtex) and a fiber length of 51 mm and 30% by mass of rayon fiber with a fineness of 1.7 dtex and a fiber length of 38 mm gives a basis weight of 100 g / m. Two short fiber layers were obtained. This is laminated on a polyester spunbonded non-woven fabric having a fineness of 2.2 dtex (weight per unit area: 25 g / m 2 ), and the needle depth is 14.5 mm and the needle density is 19 / cm 2 from the short fiber layer to the spunbonded non-woven fabric. Needle punching with a needle depth of 15.0 mm and a needle density of 38 needles / cm 2 was performed. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin An amount of 35 g / m 2 was applied. The obtained wiping nonwoven fabric had a mass per unit area of 160.0 g / m 2 and a thickness of 1.7 mm.

実施例２
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維５０質量％と、繊度１．７デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維５０質量％を均一混繊して目付質量が１００ｇ／ｍ2の短繊維層を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量２５ｇ／ｍ2）に積層し、短繊維層からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１９本／ｃｍ2、引き続き針深さ１５．０ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量３５ｇ／ｍ2を付与した。得られたワイピング不織布は目付質量１６０．０ｇ／ｍ2、厚さ１．７ｍｍであった。 Example 2
A 50-mass% polyester fiber with a fineness of 2.2 decitex (dtex) and a fiber length of 51 mm and a 50-mass rayon fiber with a fineness of 1.7 decitex (dtex) and a fiber length of 38 mm are uniformly mixed to give a basis weight of 100 g / m. Two short fiber layers were obtained. This is laminated on a polyester spunbonded nonwoven fabric having a fineness of 2.2 dtex and a basis weight of 25 g / m 2. From the short fiber layer to the spunbonded nonwoven fabric, the needle depth is 14.5 mm, the needle density is 19 / cm 2 , Subsequently, needle punching with a needle depth of 15.0 mm and a needle density of 38 needles / cm 2 was performed. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin An amount of 35 g / m 2 was applied. The obtained wiping nonwoven fabric had a mass per unit area of 160.0 g / m 2 and a thickness of 1.7 mm.

実施例３
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維７０質量％と、繊度１．７デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維３０質量％を均一混繊して目付質量が５０ｇ／ｍ2の短繊維層を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量５０ｇ／ｍ2）に積層し、短繊維層からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１９本／ｃｍ2、引き続き針深さ１５．０ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量２３ｇ／ｍ2を付与した。得られたワイピング不織布は目付質量９８．０ｇ／ｍ2、厚さ１．２ｍｍであった。 Example 3
70 g / m of polyester fiber having a fineness of 2.2 dtex and a fiber length of 51 mm and 30% by mass of rayon fiber having a fineness of 1.7 dtex and a fiber length of 38 mm are uniformly mixed to give a basis weight of 50 g / m. Two short fiber layers were obtained. This is laminated on a polyester spunbonded non-woven fabric having a fineness of 2.2 dtex (weight per unit area: 50 g / m 2 ), and the needle depth is 14.5 mm and the needle density is 19 / cm 2 from the short fiber layer to the spunbonded non-woven fabric. Subsequently, needle punching with a needle depth of 15.0 mm and a needle density of 38 needles / cm 2 was performed. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin An amount of 23 g / m 2 was applied. The obtained wiping nonwoven fabric had a weight per unit area of 98.0 g / m 2 and a thickness of 1.2 mm.

実施例４
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維７０質量％と、繊度１．７デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維３０質量％を均一混繊して目付質量が１５０ｇ／ｍ2の短繊維層を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量５０ｇ／ｍ2）に積層し、短繊維層からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１９本／ｃｍ2、引き続き針深さ１５．ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量４５ｇ／ｍ2を付与した、得られたワイピング不織布は目付質量％２４５．０ｇ／ｍ2、厚さ２．２ｍｍであった。 Example 4
70 mass% of polyester fiber with a fineness of 2.2 decitex (dtex) and fiber length of 51 mm and 30 mass% of rayon fiber with a fineness of 1.7 decitex (dtex) and fiber length of 38 mm are uniformly mixed to a basis weight of 150 g / m. Two short fiber layers were obtained. This is laminated on a polyester spunbonded non-woven fabric having a fineness of 2.2 dtex (weight per unit area: 50 g / m 2 ), and the needle depth is 14.5 mm and the needle density is 19 / cm 2 from the short fiber layer to the spunbonded non-woven fabric. Continue needle depth 15. A needle punching treatment of mm and needle density of 38 / cm 2 was performed. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin The obtained wiping nonwoven fabric provided with an amount of 45 g / m 2 had a mass per unit area of 245.0 g / m 2 and a thickness of 2.2 mm.

比較例１
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維１０質量％と、繊度１．７デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維９０質量％を均一混繊して目付質量が１００ｇ／ｍ2の短繊維層を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量２５ｇ／ｍ2）に積層し、短繊維層からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１９本／ｃｍ2、引き続き針深さ１５．０ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量３５ｇ／ｍ2を付与した。得られたワイピング不織布は目付質量１６０．０ｇ／ｍ2、厚さ２．０ｍｍであった。 Comparative Example 1
10 mass% of polyester fiber having a fineness of 2.2 decitex (dtex) and a fiber length of 51 mm, and 90 mass% of rayon fiber having a fineness of 1.7 decitex (dtex) and a fiber length of 38 mm are uniformly mixed to have a basis weight of 100 g / m. Two short fiber layers were obtained. This is laminated on a polyester spunbonded nonwoven fabric having a fineness of 2.2 dtex and a basis weight of 25 g / m 2. From the short fiber layer to the spunbonded nonwoven fabric, the needle depth is 14.5 mm, the needle density is 19 / cm 2 , Subsequently, needle punching with a needle depth of 15.0 mm and a needle density of 38 needles / cm 2 was performed. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin An amount of 35 g / m 2 was applied. The obtained wiping nonwoven fabric had a basis weight of 160.0 g / m 2 and a thickness of 2.0 mm.

比較例２
繊度１．３デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのポリエステル繊維５５質量％と、繊度４．４デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル接着性複合繊維（鞘成分：低融点１１０℃）１５質量％、繊度１．１デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維３０質量％を均一混繊して目付質量が４１ｇ／ｍ2の短繊維層Ａ１を得た。更に繊度１．３デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのポリエステル繊維５０質量％と繊度１．１デシテックス（ｄｔｅｘ）、繊維長３８ｍｍのレーヨン繊維５０質量％を均一混繊して目付質量が５０ｇ／ｍ2の短繊維層Ｂ１を得た。これをポリエステルスパンボンド不織布（目付質量２５ｇ／ｍ2）に短繊維層Ｂ１を、その上に短繊維層Ａ１を積層し短繊維層Ａ１からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度１８本／ｃｍ2、引き続き針深さ１４．０ｍｍ、針密度３８本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体としたバインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、得られたワイピング不織布は目付質量１５８．０ｇ／ｍ2、厚さ１．３ｍｍであった。 Comparative Example 2
55% by mass of polyester fiber having a fineness of 1.3 dtex and a fiber length of 38 mm, and 15% by mass of a polyester adhesive composite fiber having a fineness of 4.4 dtex and a fiber length of 51 mm (sheath component: low melting point 110 ° C.) Further, 30% by mass of rayon fibers having a fineness of 1.1 dtex and a fiber length of 38 mm were uniformly mixed to obtain a short fiber layer A1 having a basis weight of 41 g / m 2 . Further, 50 mass% of polyester fiber having a fineness of 1.3 dtex and a fiber length of 38 mm and 50 mass% of rayon fiber having a fineness of 1.1 dtex and a fiber length of 38 mm are uniformly mixed to have a basis weight of 50 g / m. 2 short fiber layers B1 were obtained. A short fiber layer B1 is laminated on a polyester spunbonded nonwoven fabric (weight per unit area: 25 g / m 2 ), a short fiber layer A1 is laminated thereon, and a needle depth of 14.5 mm and a needle density of 18 are formed from the short fiber layer A1 to the spunbonded nonwoven fabric. Needle / cm 2 , followed by needle punching with a needle depth of 14.0 mm and a needle density of 38 needles / cm 2 . The obtained laminate was continuously immersed in a 26% binder concentration solution mainly composed of vinyl acetate / acrylic resin, and suction was adjusted from the spunbond nonwoven fabric layer side to dry the resin at a drying temperature of 150 ° C. The obtained wiping nonwoven fabric had a basis weight of 158.0 g / m 2 and a thickness of 1.3 mm.

比較例３
繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維７０質量％と、繊度３．３デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのレーヨン繊維３０質量％を均一混繊して目付質量が４５ｇ／ｍ2の短繊維層Ａ２を得た。更に繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維３０質量と繊度３．３デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのレーヨン繊維７０質量％を均一混繊して目付質量が４５ｇ／ｍ2の短繊維層Ｂ２を得て、更に繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのポリエステル繊維２０質量％と繊度２．２デシテックス（ｄｔｅｘ）、繊維長５１ｍｍのレーヨン繊維８０質量を均一混繊して目付質量が４５ｇ／ｍ2の短繊維層Ｃ１を得た。これを繊度２．２デシテックス（ｄｔｅｘ）のポリエステルスパンボンド不織布（目付質量２５ｇ／ｍ2）に短繊維層Ｃ１を、その上に短繊維層Ｂ２を、更にその上に短繊維層Ａ２を積層して短繊維層Ａ２からスパンボンド不織布へ針深さ１４．５ｍｍ、針密度３０本／ｃｍ2のニードルパンチ処理を施した。得られた積層体を連続して酢酸ビニル・アクリル系樹脂を主体バインダー濃度２６％溶液に浸漬し、スパンボンド不織布層側から吸引して樹脂付着を調整し、乾燥温度１５０℃で乾燥、樹脂付与量３５ｇ／ｍ2を付与した、得られたワイピング不織布は目付質量１８０．０ｇ／ｍ2、厚さ２．０ｍｍであった。 Comparative Example 3
70 mass% polyester fiber with a fineness of 2.2 decitex (dtex) and fiber length of 51 mm, and 30 mass% of rayon fiber with a fineness of 3.3 decitex (dtex) and fiber length of 51 mm are uniformly mixed to give a basis weight of 45 g / m. 2 short fiber layers A2 were obtained. Further, 30 masses of polyester fiber having a fineness of 2.2 decitex (dtex) and a fiber length of 51 mm and 70 mass% of rayon fiber having a fineness of 3.3 decitex (dtex) and a fiber length of 51 mm were uniformly mixed to give a basis weight of 45 g / m 2. And further mixed with 20 mass% of polyester fiber with a fineness of 2.2 decitex (dtex), a fiber length of 51 mm, a fineness of 2.2 decitex (dtex), and 80 masses of rayon fiber with a fiber length of 51 mm. Thus, a short fiber layer C1 having a basis weight of 45 g / m 2 was obtained. A short fiber layer C1, a short fiber layer B2 and a short fiber layer A2 are laminated on a polyester spunbond nonwoven fabric (weight per unit area 25 g / m 2 ) having a fineness of 2.2 decitex (dtex). Then, a needle punch treatment with a needle depth of 14.5 mm and a needle density of 30 / cm 2 was applied from the short fiber layer A2 to the spunbonded nonwoven fabric. The resulting laminate is continuously dipped in a vinyl acetate / acrylic resin in a 26% main binder concentration solution, and sucked from the spunbond nonwoven fabric layer side to adjust the resin adhesion, and dried at a drying temperature of 150 ° C. to give the resin the amount was granted 35 g / m 2, a wiping nonwoven fabric obtained are basis weight mass 180.0 g / m 2, and a thickness of 2.0 mm.

次に上記実施例，比較例より得られた各ワイピング不織布について夫々、ワイピング用としての特性を対比した結果を纏めて表１に示す。表中の各項目の測定方法は下記に従って行った。   Next, Table 1 summarizes the results of comparing the characteristics for wiping of the wiping nonwoven fabrics obtained from the above-mentioned Examples and Comparative Examples. The measurement method for each item in the table was as follows.

（イ）目付質量：ｇ／ｍ2 ＪＩＳ Ｌ１９０６の４．２に記載の方法に従って求めた。 (B) Mass per unit area: g / m 2 Determined according to the method described in JIS L1906 4.2.

（ロ）厚さ ：ｍｍ ＪＩＳ Ｌ１９０６の４．１に記載の方法に従って荷重２ＫＰａで測定した。   (B) Thickness: mm Measured at a load of 2 KPa according to the method described in 4.1 of JIS L1906.

（ハ）強伸度測定：東洋ボールドイン社製テンシロンを用い、下記条件で測定した。   (C) Strength measurement: Tensilon manufactured by Toyo Bald Inn was used under the following conditions.

試料：２００ｍｍ 試料巾：５０ｍｍ
測定試長：１００ｍｍ 試料布：５０ｍｍ
引張り速度：２００ｍｍ／ｍｉｎ
ｎ＝５
・初期伸張弾性率：Ｎ／５０ｍｍ／１００％
初期２％での伸張応力を１００％換算にした数値で示す。 Sample: 200 mm Sample width: 50 mm
Measurement length: 100 mm Sample cloth: 50 mm
Tensile speed: 200 mm / min
n = 5
Initial tensile elastic modulus: N / 50mm / 100%
It is indicated by a numerical value obtained by converting the tensile stress at the initial 2% to 100%.

（ニ）圧縮測定
圧縮応力試験は東洋ボールドイン社製５０Ｋｇテンシロンを用い、１０ｍｍφの圧縮治具で圧縮速度５０ｍｍ／ｍｉｎで試料を圧縮する。試料調整は直径３０ｍｍφの試料を作成し１００ｍｍφのステンレス台に乗せて試料円形の中心に圧縮治具（２０ｍｍφ）を当てる。 (D) Compression measurement The compression stress test uses a 50 kg Tensilon manufactured by Toyo Bald-In Co., Ltd., and compresses the sample at a compression speed of 50 mm / min with a 10 mmφ compression jig. For sample preparation, a sample having a diameter of 30 mmφ is prepared, placed on a 100 mmφ stainless steel base, and a compression jig (20 mmφ) is applied to the center of the sample circle.

・０．５ｍｍ圧縮応力：Ｎ／ｃｍ2／０．５ｍｍ
０．５ｍｍの圧縮点の荷重値を単位面積当たりの圧縮応力で示す。測定は５回測定（ｎ＝５）してその平均値で示す。単位はＮに換算して示す。 0.5 mm compressive stress: N / cm 2 /0.5 mm
A load value at a compression point of 0.5 mm is shown as a compressive stress per unit area. The measurement is performed 5 times (n = 5) and is shown as an average value. The unit is shown in terms of N.

（ホ）揚油高さ：ｍｍ
試料を２０ｍｍ×２００ｍｍの大きさに切り出し、試料の上端を挟んで垂直に吊るす。試料の下端を下から２０ｍｍ油槽（２０℃のパーム油：粘度１００ｃｐｓ）に漬ける。６０ｍｉｎ後の油面からの高さを測定する。表示はｍｍで示す。 (E) Oil pumping height: mm
The sample is cut into a size of 20 mm × 200 mm and suspended vertically with the upper end of the sample interposed therebetween. The lower end of the sample is immersed in a 20 mm oil tank (palm oil at 20 ° C .: viscosity 100 cps) from the bottom. The height from the oil level after 60 minutes is measured. The display is shown in mm.

（ヘ）ワイヤー拭き取り評価
ワイヤー径１．２ｍｍのＪＩＳ Ｚ３１１３ ＹＦＷ−Ｃ５０ＤＲのメッキなしワイヤーに防錆剤等の添加剤を含むパーム油（２０℃粘度１００ｃｐｓ）を最終ダイス後添加して引き続き一対の試料（不織布：横幅７０ｍｍ）に挟んで均一な塗布処理をした。試料の送速度は５ｍｍ／ｍｉｎでワイヤーの速度は６００ｍｍ／ｍｉｎで１０００Ｋｇの処理での試料（不織布）の状態，ワイピングクロスの表面状態を評価して判断した。 (F) Wire wiping evaluation Palm oil (20 ° C. viscosity 100 cps) containing additives such as a rust preventive agent is added to an unplated wire of JIS Z3113 YFW-C50DR with a wire diameter of 1.2 mm after the final die and then a pair of samples. A uniform coating treatment was performed sandwiched between (nonwoven fabric: width 70 mm). The sample feeding speed was 5 mm / min, the wire speed was 600 mm / min, and the state of the sample (nonwoven fabric) and the surface state of the wiping cloth were evaluated in the 1000 kg treatment.

不織布はよれ、剥離なく、ワイヤーの表面も均一で何の問題もない。 ○
不織布は毛羽が発生している、ワイヤーの表面がやや不均一。 △
不織布はよれ、剥離が生じている、ワイヤーの表面が不均一。 × The non-woven fabric is kinked, does not peel off, the wire surface is uniform, and there is no problem. ○
Non-woven fabric has fuzz and the surface of the wire is slightly uneven. △
The non-woven fabric is twisted and peeled, and the wire surface is uneven. ×

Figure 0005006305
上記表１より本発明のワイピング不織布は対比した各比較不織布に比しワイピング用として優れた特性を有しており、十分、本発明の目的を達成することが分かる。
Figure 0005006305
 From Table 1 above, it can be seen that the wiping nonwoven fabric of the present invention has excellent properties for wiping as compared with the comparative nonwoven fabrics compared with each other, and sufficiently achieves the object of the present invention.

本発明に係るワイピング不織布の積層態様を示す概要図である。It is a schematic diagram which shows the lamination | stacking aspect of the wiping nonwoven fabric which concerns on this invention. 一対の上記図１の不織布間にワイヤーを挟んだ使用時態様を示す説明図である。It is explanatory drawing which shows the mode at the time of use which pinched the wire between a pair of nonwoven fabrics of the said FIG.

符号の説明Explanation of symbols

１：基材
２：短繊維層
３：樹脂接着
４：ワイヤー 1: Base material 2: Short fiber layer 3: Resin adhesion 4: Wire

Claims (5)

長繊維からなる基材に疎水性繊維と親水性繊維の混繊からなる短繊維層を積層し、ニードル加工により一体化して後、樹脂接着してなる不織布であって、初期伸張弾性率が４０００〜７５００Ｎ／５０ｍｍ／１００％で、０．５ｍｍ圧縮時応力が２．０〜１０．０Ｎ／ｃｍ2／０．５ｍｍ、揚油高さが１．０ｃｍ以上である特性を有してなることを特徴とするワイヤー用ワイピング不織布。 A non-woven fabric formed by laminating a short fiber layer composed of a mixture of hydrophobic fibers and hydrophilic fibers on a base material composed of long fibers, integrated by needle processing, and then resin-bonded, and has an initial elastic modulus of 4000 -7500 N / 50 mm / 100%, 0.5 mm compressive stress is 2.0-10.0 N / cm 2 /0.5 mm, and oil pumping height is 1.0 cm or more. Wiping nonwoven fabric for wire. 前記積層体不織布の目付質量が８０〜３００ｇ／ｍ2で、厚さが１．５〜３．０ｍｍの範囲である請求項１記載のワイヤー用ワイピング不織布。 The wiping nonwoven fabric for wires according to claim 1, wherein the laminated nonwoven fabric has a weight per unit area of 80 to 300 g / m 2 and a thickness of 1.5 to 3.0 mm. 疎水性繊維がポリエステル繊維であり、親水性繊維がレーヨン繊維であって、両者の混繊比率が９０／１０〜４０／６０の範囲である請求項１または２記載のワイヤー用ワイピング不織布。   The wiping nonwoven fabric for wire according to claim 1 or 2, wherein the hydrophobic fiber is a polyester fiber, the hydrophilic fiber is a rayon fiber, and the mixing ratio of the two is 90/10 to 40/60. 基材がポリエステルのスパンボンド不織布であって、目付質量が２０〜５０ｇ／ｍ2の範囲である請求項１，２または３記載のワイヤー用ワイピング不織布。 The wiping nonwoven fabric for wires according to claim 1, 2 or 3, wherein the substrate is a polyester spunbonded nonwoven fabric having a mass per unit area of 20 to 50 g / m2. 接着樹脂がアクリル系、または酢酸ビニル・アクリル系を主体とした樹脂であり、目付質量が２０〜６０ｇ／ｍ2である請求項１，２，３または４記載のワイヤー用ワイピング不織布。 Adhesive resin is a resin mainly composed of an acrylic or vinyl acetate-acrylic, claims 1, 2, 3 or 4 wire for wiping nonwoven fabric according basis weight mass of 20 to 60 g / m 2.
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