JPH1175912A - Face-fastener female member - Google Patents

Face-fastener female member

Info

Publication number
JPH1175912A
JPH1175912A JP10114547A JP11454798A JPH1175912A JP H1175912 A JPH1175912 A JP H1175912A JP 10114547 A JP10114547 A JP 10114547A JP 11454798 A JP11454798 A JP 11454798A JP H1175912 A JPH1175912 A JP H1175912A
Authority
JP
Japan
Prior art keywords
nonwoven fabric
thermocompression bonding
thermocompression
female
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP10114547A
Other languages
Japanese (ja)
Inventor
Yasunori Ikuga
康則 生賀
Hiroyuki Nakagami
博行 中上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP10114547A priority Critical patent/JPH1175912A/en
Publication of JPH1175912A publication Critical patent/JPH1175912A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a face-fastener female member which has a satisfactory engaging force, resists displacement after contact bonding, can be produced easily, and is suitable as an engaging device for sanitary goods such as diapers. SOLUTION: A face-fastener female member comprises a spunbonded nonwoven fabric, made of thermoplastic resin, whose cross-section is not circular or has crimps, and its bulk density is 0.100 g/cm<3> or lower. The female member uses the spunbonded nonwoven fabric partially subjected to heat-contact-bonding so that a straight-line distance between heat-contact-bonded parts 1 in the direction of formation and a perpendicular direction is 6 mm or shorter, or the heat-contact-bonded parts 1 form a matrix, and non heat-contact-bonded parts 2 form a domain.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、おむつ等の主とし
て使い捨ての用途に好適に使用される簡便で安価な面フ
ァスナー雌材に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple and inexpensive hook-and-loop fastener female material suitably used mainly for disposable uses such as diapers.

【0002】[0002]

【従来の技術】面ファスナーは、通常一対のフック(係
合面,雄材)とループ(被係合面,雌材)から構成され
ており、両者を圧着させるだけで係合しうることから、
繰り返し着脱可能な簡易留め具として多方面で広く利用
されている。従来、このような面ファスナーにおいて、
雄材としては、編布のループ先端をカットした立毛状雄
形素子が用いられ、また雌材としては、ループを有する
編布が用いられてきたが、近年においては、安価に提供
できるという有利さから、雄材にはキノコ状の膨頭形等
からなる樹脂製のものが用いられ、また、雌材には不織
布が用いられている。
2. Description of the Related Art A hook-and-loop fastener is usually composed of a pair of hooks (engaging surfaces, male members) and loops (engaged surfaces, female members).
It is widely used in various fields as a simple fastener that can be repeatedly attached and detached. Conventionally, in such a hook-and-loop fastener,
As the male material, a raised nub-shaped element in which the loop tip of a knitted fabric is cut is used, and as the female material, a knitted fabric having a loop has been used. Therefore, a resin material such as a mushroom-shaped head is used for the male material, and a non-woven fabric is used for the female material.

【0003】ところで、このような面ファスナーの雌材
として不織布を用いたものとしては、編布や不織布から
なる基布と熱収縮性の短繊維を積層した後、加熱処理に
より熱収縮させて表面にループや皺を形成したものが提
案されている(例えば、特開平04−105602号公
報,特開平07−313213号公報,特開平08−0
27657号公報等)。これらにおいては、係合力は強
く、繰り返し耐久性も大きい反面、厚く柔軟性に欠け、
製造工程も複雑なものであるという欠点がある。また、
厚み及び柔軟性を改良したものとして、実開平04−0
56008号公報や特開平06−033359号公報に
記載されている技術が提案されているが、これらにおい
ては、係合力は弱く実質的に満足のいく性能を備えてい
るとは言い難い。
[0003] By the way, as a female material of such a hook-and-loop fastener, a nonwoven fabric is used. A base fabric made of a knitted fabric or a nonwoven fabric and a heat-shrinkable short fiber are laminated, and the heat-shrinkable heat-shrinkable surface fibers are used. In addition, there has been proposed a device in which a loop or wrinkles are formed (for example, JP-A-04-105602, JP-A-07-313213, and JP-A-08-0).
27657, etc.). In these, the engagement force is strong, and the durability is also large, but it is thick and lacks flexibility.
There is a disadvantage that the manufacturing process is also complicated. Also,
As the one with improved thickness and flexibility,
Techniques described in Japanese Patent No. 56008 and Japanese Patent Application Laid-Open No. 06-033359 have been proposed. However, in these techniques, the engagement force is weak, and it cannot be said that they have substantially satisfactory performance.

【0004】このように従来技術を見てくると、例え
ば、使い捨ておむつのようなディスポーザブル品用に供
せられるものであって、それほど強い係合力は必要とさ
れず、かつ係合回数も数回乃至せいぜい数十回程度であ
ることから耐久性もほどほどで十分であり、しかも嵩張
らず、安価に供給しうるという利点を持った面ファスナ
ー雌材は未だ得られていないのが現状である。
[0004] As described above, the prior art is used for disposable articles such as disposable diapers, and does not require a strong engaging force, and the number of times of engagement is several. Since the number is about several tens of times at the most, the durability is moderate and sufficient, and the female material of the hook-and-loop fastener having the advantage that it is not bulky and can be supplied at low cost has not yet been obtained.

【0005】[0005]

【発明が解決しようとする課題】本発明は、このような
状況下で、良好な係合力をもち、圧着後のズレも生じに
くく、簡便に製造が可能であり、おむつなどの衛生用品
における係合具として好適な面ファスナー雌材を提供す
るものである。
SUMMARY OF THE INVENTION Under such circumstances, the present invention has a good engaging force, is hardly displaced after crimping, can be easily manufactured, and can be used for sanitary articles such as diapers. An object of the present invention is to provide a hook-and-loop fastener female material suitable as a fitting.

【0006】[0006]

【課題を解決するための手段】本発明者らは、鋭意研究
を重ねた結果、従来のようにループ形成加工を施さなく
ても、特定の繊維構造を有するスパンボンド不織布を用
いれば、係合力及び繰り返し耐久性において十分な性能
を持つ面ファスナー雌材が得られることを見出した。本
発明は、かかる知見に基づいて完成したものである。
Means for Solving the Problems As a result of diligent studies, the present inventors have found that even if a spunbonded nonwoven fabric having a specific fiber structure is used without using a loop forming process as in the prior art, the engaging force can be increased. Further, it has been found that a female surface fastener having a sufficient performance in repeated durability can be obtained. The present invention has been completed based on such findings.

【0007】即ち、本発明は、以下の面ファスナー雌材
を提供することを目的とするものである。 (1)断面が非円形状である熱可塑性樹脂製のスパンボ
ンド不織布からなり、かさ密度が0.100g/cm3
下である面ファスナー雌材。 (2)クリンプを有する熱可塑性樹脂製のスパンボンド
不織布からなり、かさ密度が0.100g/cm3 以下で
ある面ファスナー雌材。 (3)成形方向における熱圧着部間の直線距離が6mm
以内であり、かつ成形方向に垂直な方向における熱圧着
部間の直線距離が6mm以内であるように部分熱圧着さ
れたスパンボンド不織布を用いたことを特徴とする上記
(1)又は(2)に記載の面ファスナー雌材。 (4)熱圧着部がマトリックスをなし、非熱圧着部がド
メインをなしており、かつ該非熱圧着部の各々のドメイ
ンの面積が10〜400mm2 となるように部分熱圧着
されたスパンボンド不織布を用いたことを特徴とする上
記(1)又は(2)に記載の面ファスナー雌材。
That is, an object of the present invention is to provide the following female fastener material. (1) A female fastener material made of a thermoplastic resin spunbonded non-woven fabric having a non-circular cross section and having a bulk density of 0.100 g / cm 3 or less. (2) A female fastener material made of a spunbonded nonwoven fabric made of a thermoplastic resin having a crimp and having a bulk density of 0.100 g / cm 3 or less. (3) The linear distance between the thermocompression bonding parts in the molding direction is 6 mm
(1) or (2), wherein the spunbonded nonwoven fabric is partially thermocompression-bonded so that the linear distance between the thermocompression bonding portions in the direction perpendicular to the molding direction is within 6 mm. A hook-and-loop fastener female material according to item 1. (4) Spunbond nonwoven fabric in which the thermocompression bonding portion forms a matrix, the non-thermocompression bonding portion forms a domain, and the area of each domain of the non-thermocompression bonding portion is 10 to 400 mm 2. The hook-and-loop fastener female member according to the above (1) or (2), characterized in that:

【0008】[0008]

【発明の実施の形態】以下、本発明の実施の形態を具体
的に説明する。 1.熱可塑性樹脂製のスパンボンド不織布 (1)材料として用いられる熱可塑性樹脂 ポリプロピレン,ポリイミド,ポリエステル等紡糸性を
有する結晶性熱可塑性樹脂が好ましい。中でも、紡糸工
程においてクリンプによる嵩高性が得られやすく、かつ
柔軟性も良好な点からポリプロピレンがより好適に用い
られる。これらの熱可塑性樹脂は、用途に応じて2種以
上を混合して用いることもできる。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below. 1. Spunbonded nonwoven fabric made of thermoplastic resin (1) Thermoplastic resin used as a material A crystalline thermoplastic resin having spinnability, such as polypropylene, polyimide, or polyester, is preferable. Among them, polypropylene is more preferably used in that the bulkiness due to the crimp is easily obtained in the spinning step and the flexibility is good. These thermoplastic resins can be used as a mixture of two or more kinds depending on the application.

【0009】(2)スパンボンド不織布 スパンボンド不織布は、断面が非円形状であるもの又は
クリンプを有するものであることが必要である。 断面が非円形状であるスパンボンド不織布とは、不織
布作製に用いた繊維の断面が非円形であることをいい、
非円形であるならば、その形状は問わない。例えば、長
円形,三角状,菱形状等である。又は、本発明において
は、スパンボンド不織布はクリンプを有するものであっ
てもよいが、通常、繊維の断面を非円形状にすることに
より効果的にクリンプしたものを得ることができる。
(2) Spunbonded nonwoven fabric The spunbonded nonwoven fabric must have a non-circular cross section or a crimp. A spunbonded nonwoven fabric whose cross section is non-circular means that the cross section of the fiber used for producing the nonwoven fabric is non-circular,
If it is non-circular, its shape does not matter. For example, the shape is an oval, a triangle, a rhombus, or the like. Alternatively, in the present invention, the spunbonded nonwoven fabric may have a crimp, but usually, a crimped one can be obtained effectively by making the cross section of the fiber non-circular.

【0010】繊維には、通常の単繊維の他、芯鞘型,サ
イドバイサイド型,バイメタル型等の複合繊維も含まれ
る。 スパンボンド不織布とは、公知のスパンボンド法によ
り製造された不織布をいう。メルトブロー法やフラッシ
ュ紡糸法にて製造された不織布は緻密すぎて、雄材との
係合に十分な繊維空間が得られない。但し、本発明にお
いては、スパンボンド法とメルトブロー法の複合繊維、
具体的には、スパンボンド法/メルトブロー法/スパン
ボンド法というように複合させたものや、スパンボンド
法/メルトブロー法のように複合させたものも用いるこ
とができるが、この場合には、スパンボンド不織布層が
雄材との係合面となる。
The fibers include, in addition to ordinary single fibers, composite fibers such as core-sheath type, side-by-side type, and bimetal type. Spunbonded nonwoven fabric refers to a nonwoven fabric manufactured by a known spunbonding method. The nonwoven fabric produced by the melt blow method or the flash spinning method is too dense, and a fiber space sufficient for engagement with a male material cannot be obtained. However, in the present invention, spunbond and meltblown conjugate fibers,
Specifically, a composite such as a spun bond method / melt blow method / spun bond method or a composite compound such as a spun bond method / melt blow method can be used. The bonded non-woven fabric layer becomes an engagement surface with the male material.

【0011】断面が非円形状であるスパンボンド不織
布の製造方法は特に制限はなく、例えば、特開平03−
241055号公報や特開平06−313256号公報
等に記載の方法を用いればよい。スパンボンド法は通
常、紡糸,延伸,開繊,捕集,ボンディングの各工程か
らなっているが、特に延伸工程において、フィラメント
のクリンプが効果的に促進されることから、非対称的に
冷風を当てる方法により冷却するのが好ましく行われ
る。
The method for producing a spunbonded nonwoven fabric having a non-circular cross section is not particularly limited.
The method described in Japanese Patent No. 241055 or Japanese Patent Application Laid-Open No. 06-313256 may be used. The spun bond method usually includes the steps of spinning, drawing, opening, collecting, and bonding. In the drawing step, in particular, the crimping of the filament is effectively promoted, so that a cool air is applied asymmetrically. Cooling is preferably performed by a method.

【0012】(3)前記不織布は、部分熱圧着されたもの
であり、成形方向における熱圧着部間の直線距離が6m
m以内であり、かつ成形方向に垂直な方向における熱圧
着部間の直線距離が6mm以内であることが好ましい。
面ファスナーにおいては、繰り返し使用しているうちに
糸切れが生じるが、これは、雄材と雌材を剥がす際、雌
材の繊維が雄材側に引っ張られて繊維が切れることによ
る。そして繊維が切れた後、その繊維が雄材側に付着し
て目詰まりが生じ、そのため係合力が益々低下する結果
となる。このことから不織布製造におけるボンディング
工程は、本発明においては重要なものと考えられ、該工
程においては、不織ウェブが部分熱圧着され、かつ非熱
圧着部分が特定の構造を有していることが必要である。
(3) The nonwoven fabric is partially thermocompression-bonded, and the linear distance between the thermocompression bonding portions in the molding direction is 6 m.
m and the linear distance between the thermocompression-bonded portions in a direction perpendicular to the molding direction is preferably 6 mm or less.
In a hook-and-loop fastener, thread breaks occur during repeated use. This is because when the male and female members are peeled off, the fibers of the female member are pulled toward the male member and the fibers are cut. Then, after the fiber breaks, the fiber adheres to the male material side, causing clogging, and as a result, the engaging force is further reduced. From this, it is considered that the bonding step in the production of the nonwoven fabric is important in the present invention. In this step, the nonwoven web is partially thermocompression-bonded, and the non-thermocompression part has a specific structure. is necessary.

【0013】部分熱圧着とは、不織ウェブを熱接着等に
より接合する場合、全面を接合するのではなく、部分的
に接合させることをいう。具体的には、ドット(点)や
破線、さらには碁盤目状や格子状を凸状部として有する
エンボスロール等を用いて熱接着することである。本発
明においては、好適なスパンボンド不織布として、部分
熱圧着されたものが用いられるが、かかる不織布におい
て熱圧着されていない部分について、次の構造を有して
いることが好ましい。即ち、成形方向における熱圧着部
間の直線距離が6mm以内であり、かつ成形方向に垂直
な方向における熱圧着部間の直線距離が6mm以内であ
ることである。ここで成形方向とは、いわゆるMD方
向,縦方向又は流れ方向と呼ばれるものであり、繊維が
主として配向している方向をいう。また、成形方向に垂
直な方向とは、いわゆるCD方向とよばれるものであ
る。成形方向における熱圧着部間の直線距離は、どの部
分をとってみても、その長さが6mm以内、好ましくは
2mm〜6mmであることが必要であり、かつ成形方向
に垂直な方向における熱圧着部間の直線距離は、どの部
分をとってみても、その長さが6mm以内、好ましくは
2mm〜6mmであることが必要である。糸切れの伝播
は成形方向又は成形方向に垂直な方向に生じやすいこと
から、このように両方向において熱圧着部間の直線距離
を一定値内にすることにより、換言すれば、非熱圧着部
の存在最大長さを一定値内にすることにより、糸切れが
発生しても熱圧着部分がその伝播のストッパーの働きを
し、拡大を効果的に食い止めることが可能となる。
The term "partial thermocompression bonding" means that when a nonwoven web is joined by thermal bonding or the like, it is joined not partially but entirely. More specifically, thermal bonding is performed using an embossing roll or the like having dots (dots), broken lines, or a grid or grid shape as a convex portion. In the present invention, a partially spunbonded nonwoven fabric is used as a suitable spunbonded nonwoven fabric, but a portion of the nonwoven fabric that is not thermocompressed preferably has the following structure. That is, the linear distance between the thermocompression bonding portions in the molding direction is within 6 mm, and the linear distance between the thermocompression bonding portions in the direction perpendicular to the molding direction is within 6 mm. Here, the molding direction is a so-called MD direction, vertical direction or flow direction, and refers to a direction in which fibers are mainly oriented. The direction perpendicular to the molding direction is a so-called CD direction. The linear distance between the thermocompression bonding parts in the molding direction is required to be no more than 6 mm in length, preferably 2 mm to 6 mm, and the thermocompression bonding in a direction perpendicular to the molding direction. Regardless of the portion, the linear distance between the portions must be within 6 mm, preferably 2 mm to 6 mm. Since the propagation of the yarn breakage tends to occur in the molding direction or the direction perpendicular to the molding direction, by setting the linear distance between the thermocompression bonding portions in both directions to be within a certain value, in other words, the non-thermocompression bonding portion By setting the maximum length to be within a certain value, even if a yarn break occurs, the thermocompression bonding portion functions as a stopper for the propagation, and it is possible to effectively stop the expansion.

【0014】具体的には、図1に示すように非熱圧着部
分が開放された空間になっていてもよい。但し、図2に
示すように、成形方向又は成形方向に垂直な方向におけ
る熱圧着部間の直線距離が6mmを超える場合は除かれ
る。 (4)さらには、熱圧着部がマトリックスをなし、非熱圧
着部がドメインをなしており、かつ該非熱圧着部の各々
のドメインの面積が10〜400mm2 となるように部
分熱圧着されているものも好ましく用いられる。即ち、
熱圧着部は面ファスナーの全表面においてとぎれること
なく連続しており、非熱圧着部は該連続した熱圧着部に
取り囲まれている構造をもつものである。具体的には、
図3,図4,図5等に例示されるような構造になってい
るものである。
Specifically, as shown in FIG. 1, the non-thermocompression bonding portion may be an open space. However, as shown in FIG. 2, the case where the linear distance between the thermocompression bonding portions in the molding direction or the direction perpendicular to the molding direction exceeds 6 mm is excluded. (4) Further, the thermocompression bonding portion forms a matrix, the non-thermocompression bonding portion forms a domain, and is partially thermocompression-bonded such that the area of each domain of the non-thermocompression bonding portion is 10 to 400 mm 2. Are also preferably used. That is,
The thermocompression bonding portion is continuous without interruption on the entire surface of the hook-and-loop fastener, and the non-thermocompression bonding portion has a structure surrounded by the continuous thermocompression bonding portion. In particular,
It has a structure as exemplified in FIGS. 3, 4, 5 and the like.

【0015】このように非熱圧着部が熱圧着部に取り囲
まれていることから、脱着を繰り返し行なった時に繊維
ぎれが発生しても、熱圧着部がその伝播を完全に遮断
し、拡大を食い止めることが可能となる。この場合、該
非熱圧着部の各々のドメインの面積は10〜400mm
2 、好ましくは10〜100mm2 、さらに好ましくは
12〜50mm2 である。10mm2 未満の場合、嵩高
性が小さく、面ファスナー雄材との係合力が不十分にな
るおそれがある。また、400mm2 を超える場合、係
合力は得られるものの、繊維切れの拡大を効果的に防止
できず、繰り返し使用性に劣ったものになるおそれがあ
る。
Since the non-thermocompression section is surrounded by the thermocompression section as described above, even if fiber breakage occurs during repeated attachment / detachment, the thermocompression section completely blocks the propagation and expands. It will be possible to stop it. In this case, the area of each domain of the non-thermocompression bonding part is 10 to 400 mm
2 , preferably 10 to 100 mm 2 , more preferably 12 to 50 mm 2 . If it is less than 10 mm 2 , the bulkiness is small, and the engaging force with the male member of the hook-and-loop fastener may be insufficient. On the other hand, if it exceeds 400 mm 2 , although the engaging force can be obtained, the fiber breakage cannot be effectively prevented, and the reusability may be poor.

【0016】(5)上に述べた部分熱圧着において、熱圧
着部分の面積割合は全体の40%以下、さらには30%
以下が好ましい。40%を超えると、雄材との係合面積
が不足し、係合力が弱くなるおそれがある。 (6)前記部分熱圧着する方法については特に制限はない
が、通常、不織ウェブを1対のロール間を通すことによ
り行われる。この際に用いられる1対のロールのうち、
いずれか一方に複数の凸部又は連続した凸部を有するも
のであればよい。その場合、耐久性や温度調節の容易さ
による表面温度の安定性、ひいては該安定性に基づく接
合強度等の点から、表面に凹凸を有するロールを金属製
にすることが望ましい。またロールの表面温度は樹脂の
融点以下であることが望ましい。
(5) In the above-mentioned partial thermocompression bonding, the area ratio of the thermocompression bonding portion is 40% or less of the whole, and further 30%.
The following is preferred. If it exceeds 40%, the area of engagement with the male material may be insufficient, and the engagement force may be weak. (6) The method of performing the partial thermocompression bonding is not particularly limited, but is usually performed by passing a nonwoven web between a pair of rolls. Of the pair of rolls used at this time,
What is necessary is just to have a some convex part or a continuous convex part in any one. In this case, it is desirable that the roll having the unevenness on the surface is made of metal from the viewpoint of the stability of the surface temperature due to the durability and the easiness of the temperature adjustment, and the bonding strength based on the stability. The surface temperature of the roll is desirably equal to or lower than the melting point of the resin.

【0017】エンボスロールにおいて、凸状部の高さ
は、不織布の嵩を潰さないという点から、不織布の厚み
以上のものを用いるのが望ましい。 (7)前記不織布において、その目付についても特に制限
はないが、15〜150g/m2 、好ましくは20〜8
0g/m2 である。150g/m2 を超えると、物性が
過剰であり、経済的にロスになり、15g/m2 未満で
は、係合力が低下する。厚みは、用いられる雄材の係合
子の長さに応じて適宜選択されるが、通常該雄材の係合
子の長さ以上にするのが、係合時の密着性という点から
好ましい。具体的には、ディスポーザブル用途として
は、2mm以下が好適に用いられる。また、繊度につい
ては、1〜20デニールが好ましく、2〜10デニール
がさらに好ましい。1デニール未満では繊維強度が不足
するため、係合と剥離を繰り返しているうちに毛羽立ち
が生じやすくなったり、嵩高性も低下するおそれがあ
る。20デニール超えると、シートの柔軟性が低下し
て、例えば、おむつのバックシートに装着した場合、硬
くなりすぎて着用感が低下するおそれがある。さらに、
繊維間の距離(L)については、係合する雄材における
最大部分の外径をR,最小部分の外径をrとしたとき、
LはRとrの間にあることが好ましい。rより小さい
と、雄材が前記不織布の内部にくい込んで行くことが難
しく、そのため係合性が低下するおそれがある。また、
Rより大きいと、雄材が前記不織布の内部に容易にくい
込んで行くものの、雄材の先端の引っ掛かりが不足して
係合性が低下するおそれがある。ただし、厳密にLがR
とrの間になければならないという訳ではなく、熱固定
されていない非接着部においては、繊維間ではある程度
の自由度が存在するため、係合時の圧力が大きければ、
繊維間が拡大して雄材が進入していくことが可能とな
る。
In the embossing roll, it is desirable that the height of the protruding portions be equal to or greater than the thickness of the nonwoven fabric from the viewpoint that the bulk of the nonwoven fabric is not crushed. (7) The basis weight of the nonwoven fabric is not particularly limited, but is 15 to 150 g / m 2 , preferably 20 to 8 g / m 2 .
0 g / m 2 . If it exceeds 150 g / m 2 , the physical properties are excessive and economical loss occurs. If it is less than 15 g / m 2 , the engaging force decreases. The thickness is appropriately selected according to the length of the male element engaging element to be used, but it is usually preferable to set the thickness to be equal to or longer than the length of the male element engaging element in terms of the adhesion at the time of engagement. Specifically, 2 mm or less is suitably used for disposable applications. In addition, the fineness is preferably 1 to 20 denier, and more preferably 2 to 10 denier. If the denier is less than 1 denier, the fiber strength is insufficient, so that fuzzing is likely to occur during repeated engagement and separation, and bulkiness may be reduced. If it exceeds 20 denier, the flexibility of the sheet is reduced, and for example, when the sheet is attached to a back sheet of a diaper, the sheet may be too hard and the wearing feeling may be reduced. further,
Regarding the distance (L) between the fibers, assuming that the outer diameter of the largest portion of the engaging male material is R and the outer diameter of the smallest portion is r,
L is preferably between R and r. If it is smaller than r, it is difficult for the male material to enter the inside of the nonwoven fabric, so that the engagement may be reduced. Also,
If it is larger than R, the male material easily gets into the inside of the nonwoven fabric, but the leading end of the male material may be insufficiently caught and the engagement may be reduced. However, strictly L is R
This does not mean that it must be between r and r. In the non-bonded portion that is not heat-fixed, there is a certain degree of freedom between the fibers.
The space between the fibers expands, and the male material can enter.

【0018】(8)前記不織布は、通常単体で用いられる
が、他のフィルムと積層したり粘着剤等を塗布してもよ
い。さらには、面ファスナー雄材との係合面は非円形で
ある繊維からなるスパンボンド不織布を用い、非係合面
はスパンボンド不織布でもよいが他の不織布を積層させ
てもよい。 2.面ファスナー雌材 本発明にかかる面ファスナー雌材は、上記スパンボンド
不織布からなるものであるが、面ファスナー雌材におけ
るかさ密度は、0.100g/cm3 以下であることが必
要である。0.100g/cm3 を超えると、雄材と係合
するのに十分な繊維空間が確保できなくなるおそれがあ
る。 3.雄材 本発明の雌材に係合する雄材については、特に制限はな
いが、嵩張らず、安価に製造できる点から、高密度ポリ
エチレンやポリエチレンテレフタレート,ポリプロピレ
ン等の樹脂成形タイプが好ましく用いられる。また、雌
材である不織布と係合するためには、フックを有してい
ることが望ましい。フックとは、いわゆる引っ掛かり部
分のことで、鉤型やきのこ状などその形状は特に問わな
い。
(8) The nonwoven fabric is usually used alone, but may be laminated with another film or coated with an adhesive or the like. Further, a spunbonded nonwoven fabric made of non-circular fibers is used for the engaging surface with the male surface fastener, and the nonengaging surface may be a spunbonded nonwoven fabric, or another nonwoven fabric may be laminated. 2. Surface fastener female material The surface fastener female material according to the present invention is made of the above spunbonded nonwoven fabric, but the bulk density of the surface fastener female material needs to be 0.100 g / cm 3 or less. If it exceeds 0.100 g / cm 3 , there is a possibility that a sufficient fiber space for engaging with the male material cannot be secured. 3. Male material The male material to be engaged with the female material of the present invention is not particularly limited, but a resin molding type such as high-density polyethylene, polyethylene terephthalate, or polypropylene is preferably used because it is not bulky and can be manufactured at low cost. In order to engage with the nonwoven fabric which is a female material, it is desirable to have a hook. The hook is a so-called hook portion, and its shape such as a hook shape or a mushroom shape is not particularly limited.

【0019】[0019]

【実施例】次に、本発明を実施例によりさらに詳しく説
明するが、本発明は、これらの例によってなんら限定さ
れるものではない。得られた面ファスナー雌材の性状の
評価は、以下に示す方法で行った。 厚み: 加圧子の直径が40mmで荷重が10g/c
2 のデジタル式厚み計にて測定した値(mm)であ
る。
Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples. The properties of the obtained hook-and-loop fastener female material were evaluated by the following methods. Thickness: Presser diameter is 40mm and load is 10g / c
It is a value (mm) measured by a digital thickness meter of m 2 .

【0020】かさ密度: かさ密度(g/cm3 )=
目付量/厚みで表される。ここで、厚みとは、上記で
得られたものであるが、かさ密度の計算にあたっては、
かさ密度の単位がg/cm3 になるように目付量及び厚
みの単位を選べばよい。 剥離強度(雄材との係合強さ) 雄材として、住友スリーエム社製の樹脂成形マッシュル
ームタイプ・CS−200−2500ppsiを使用
し、JIS−L−3416に準拠して、係合荷重1kg
/cmで前記雄材と不織布製雌材を係合した。
Bulk density: bulk density (g / cm 3 ) =
It is expressed by the basis weight / thickness. Here, the thickness is obtained from the above, but in calculating the bulk density,
The unit of the basis weight and the unit of the thickness may be selected so that the unit of the bulk density is g / cm 3 . Peel strength (engagement strength with male material) As a male material, a resin molded mushroom type CS-200-2500 psi manufactured by Sumitomo 3M Co., Ltd. is used, and an engagement load is 1 kg according to JIS-L-3416.
/ Cm engaged the male material and the non-woven female material.

【0021】剥離強度は、幅30mmの試験片を50m
mの長さに重ね合わせ、定速伸長引張試験機にて、引張
速度300mm/分で剥離させた時の強度である。 剪断強度 上記と同様にして雄材と不織布製雌材を係合した。有
効幅30mm,重ね合わせ長さ50mmで、引張速度3
00mm/分で分離させた時の強度である。
The peel strength of a test piece having a width of 30 mm was 50 m.
m is the strength when peeled at a tensile speed of 300 mm / min using a constant-speed elongation tensile tester. Shear strength A male material and a nonwoven fabric female material were engaged in the same manner as described above. Effective width 30mm, overlap length 50mm, tensile speed 3
This is the strength when separated at 00 mm / min.

【0022】実用試験 住友スリーエム社製の樹脂成形マッシュルームタイプ・
CS−200−2500ppsiを用いた雄材を座席の
ヘッドレスト部背面に取り付けた>下記の実施例1及び
比較例1で得た不織布シートを300mm×300mm
に裁断し、これに前記雄材を係合させ、ヘッドレストカ
バーとして試用した。
Practical test Resin molded mushroom type manufactured by Sumitomo 3M Limited
Male material using CS-200-2500 psi was attached to the back of the headrest portion of the seat> The nonwoven sheet obtained in the following Example 1 and Comparative Example 1 was 300 mm x 300 mm
, And the male member was engaged with the male member, and used as a headrest cover.

【0023】 評価: ○:係合力は十分で、ずれもなく実用に供する。 ×:係合力が弱く、剥がれて実用性に問題があった。 繰り返し回数試験 上記と同様にして雄材と不織布製雌材を係合し、つい
で剥離させ、その後上記に記載の方法により剪断強度
を測定する。こうして係合、剥離を繰り返しその都度、
剪断強度を測定し、剪断強度が1kgを下回るまでの回
数を繰り返し回数とした。 〔実施例1〕ノズル断面形状が偏平状(長軸と短軸の比
が4.2)の紡糸口金から押出温度230℃でMIが60
g/10分のポリプロピレン樹脂を押し出した。紡出さ
れたフィラメントの片側に冷却風を当てて繊維をクリン
プさせた。続いて、エアサッカー装置に導入して速度3
000m/分で牽引して延伸し、開繊させながら網状ベ
ルトコンベア上に捕集した。捕集したウェブを取り出し
て、図6で示すような下記エンボスロールを用いて、図
3に示すように熱接着させた、嵩高なスパンボンド不織
布シートを得た。
Evaluation: :: Engagement force is sufficient and practically used without deviation. X: The engaging force was weak, and peeled off, and there was a problem in practicality. Repeat number test In the same manner as above, the male material and the nonwoven fabric female material are engaged, and then peeled off, and then the shear strength is measured by the method described above. In this way, engagement and peeling are repeated each time,
The shear strength was measured, and the number of times until the shear strength fell below 1 kg was defined as the number of repetitions. Example 1 From a spinneret having a flat nozzle cross section (the ratio of the major axis to the minor axis is 4.2), the MI was 60 at the extrusion temperature of 230 ° C.
g / 10 min of polypropylene resin was extruded. Cooling air was applied to one side of the spun filament to crimp the fiber. Then, it was introduced into the air soccer device and the speed 3
It was drawn at 000 m / min, stretched, and collected on a mesh belt conveyor while being spread. The collected web was taken out, and a bulky spun-bonded nonwoven sheet thermally bonded as shown in FIG. 3 was obtained using the following embossing roll as shown in FIG.

【0024】(エンボスロールの仕様) 凸部の形状: 幅 0.6mmの碁盤目タイプ 凸部の間隔: 4.0mm 1個の非熱圧着部の面積: 16mm2 凸部の深さ: 2.0mm 圧着温度 : 140℃ 得られた結果を第1表に示す。(Specifications of embossing roll) Shape of convex part: grid type with width of 0.6 mm Distance between convex parts: 4.0 mm Area of one non-thermocompression part: 16 mm 2 Depth of convex part: 2. 0 mm Compression temperature: 140 ° C. The results obtained are shown in Table 1.

【0025】[0025]

【表1】 [Table 1]

【0026】〔実施例2〕実施例1において、下記エン
ボスロールを用いて図4に示すように熱接着させた以外
は、実施例1と同様に行なった。 (エンボスロールの仕様) 凹部の形状: 径が10mmの円 凹部の間隔: 隣り合う円と円の間隔 2.0mm 1個の非熱圧着部の面積: 78.5mm2 凸部の深さ: 1.5mm 圧着温度 : 140℃ 得られた結果を第1表に示す。 〔実施例3〕実施例1において、下記エンボスロールを
用いて図5に示すように熱接着させた以外は、実施例1
と同様に行なった。
Example 2 The procedure of Example 1 was repeated, except that the following embossing rolls were used to perform thermal bonding as shown in FIG. (Specifications of embossing roll) Shape of concave portion: circle with a diameter of 10 mm Distance between concave portions: space between adjacent circles 2.0 mm Area of one non-thermocompression bonding portion: 78.5 mm 2 Depth of convex portion: 1 .5mm Crimping temperature: 140 ° C The results obtained are shown in Table 1. Example 3 Example 1 was the same as Example 1 except that the following embossing rolls were used for heat bonding as shown in FIG.
Was performed in the same manner as described above.

【0027】(エンボスロールの仕様) 凹部の形状: 1辺の長さ16mmの正三角形 凸部の幅 : 1.0mm 1個の非熱圧着部の面積: 110.8mm2 凸部の深さ: 2.0mm 圧着温度 : 140℃ 得られた結果を第1表に示す。 〔比較例1〕実施例1において、ノズル断面形状が円形
のものを用い、また、紡出されたフィラメントの両側に
冷却風を当てた以外は実施例1と同様に行った。
(Specifications of embossing roll) Shape of concave portion: equilateral triangle having a length of 16 mm on one side Width of convex portion: 1.0 mm Area of one non-thermocompression bonding portion: 110.8 mm 2 Depth of convex portion: 2.0 mm Compression temperature: 140 ° C. The results obtained are shown in Table 1. [Comparative Example 1] The same operation as in Example 1 was carried out except that a nozzle having a circular cross section was used and cooling air was applied to both sides of the spun filament.

【0028】得られた結果を第1表に示す。 〔比較例2〕実施例1において、エンボスロールの仕様
として、凸部の間隔が3.0mmとした以外は実施例1と
同様に行った。この時、1個の非熱圧着部の面積は9.0
mm2 であった。 〔比較例3〕実施例2において、エンボスロールの仕様
として、凹部の形状が径が24mmの円とした以外は実
施例2と同様に行った。
The results obtained are shown in Table 1. [Comparative Example 2] The same procedure as in Example 1 was carried out except that the embossing rolls were changed to have a spacing of 3.0 mm as the specifications of the embossing roll. At this time, the area of one non-thermocompression bonding part is 9.0
mm 2 . Comparative Example 3 Example 2 was carried out in the same manner as in Example 2 except that the specifications of the embossing roll were such that the shape of the recess was a circle having a diameter of 24 mm.

【0029】[0029]

【発明の効果】本発明の面ファスナー雌材は、良好な係
合力を持ち、圧着後のズレも生じず、さらに簡便に製造
が可能であり、おむつなどの衛生用品における係合具と
して好適である。
The female surface fastener according to the present invention has a good engaging force, does not cause displacement after crimping, can be manufactured more easily, and is suitable as an engaging tool for sanitary articles such as diapers. is there.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 非熱圧着部分が開放された空間になっている
スパンボンド不織布の概略図(十字状の場合)。
FIG. 1 is a schematic diagram of a spunbonded nonwoven fabric in which a non-thermocompression part is an open space (in the case of a cross shape).

【図2】 成形方向又は成形方向に垂直な方向における
熱圧着部間の直線距離が6mmを超えるスパンボンド不
織布の概略図(ドット状の場合)。
FIG. 2 is a schematic view of a spunbonded nonwoven fabric in which a linear distance between thermocompression-bonded portions in a molding direction or a direction perpendicular to the molding direction exceeds 6 mm (in a case of a dot shape).

【図3】 非熱圧着部分が閉じた空間(矩形)になって
いるスパンボンド不織布の概略図(碁盤目状の場合)。
FIG. 3 is a schematic diagram of a spunbonded nonwoven fabric in which a non-thermocompression part is a closed space (rectangle) (in a grid pattern).

【図4】 非熱圧着部分が閉じた空間(円)になってい
るスパンボンド不織布の概略図
FIG. 4 is a schematic view of a spunbonded nonwoven fabric in which a non-thermocompression part is a closed space (circle).

【図5】 非熱圧着部分が閉じた空間(正三角形)にな
っているスパンボンド不織布の概略図
FIG. 5 is a schematic view of a spunbonded nonwoven fabric in which a non-thermocompression part is a closed space (regular triangle).

【図6】 実施例1において用いたエンボスロールの概
略断面図
FIG. 6 is a schematic sectional view of the embossing roll used in Example 1.

【符号の説明】[Explanation of symbols]

1: 熱圧着部分 2: 非熱圧着部分 3: 非熱圧着部分に存在する連続した任意の直線の長
さ 4: エンボスロールの凸部 5: エンボスロールの凸部の幅 6: エンボスロールの凸部の間隔 7: エンボスロールの凸部の深さ
1: thermo-compression bonding part 2: non-thermo-compression bonding part 3: continuous arbitrary straight line length existing in non-thermo-compression bonding part 4: convex part of embossing roll 5: width of convex part of embossing roll 6: convexity of embossing roll Interval between parts 7: Depth of convex part of embossing roll

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 断面が非円形状である熱可塑性樹脂製の
スパンボンド不織布からなり、かさ密度が0.100g/
cm3 以下である面ファスナー雌材。
1. A spunbond nonwoven fabric made of a thermoplastic resin having a non-circular cross section and a bulk density of 0.100 g /
A hook and loop fastener female material having a size of not more than cm 3 .
【請求項2】 クリンプを有する熱可塑性樹脂製のスパ
ンボンド不織布からなり、かさ密度が0.100g/cm
3 以下である面ファスナー雌材。
2. A spunbond nonwoven fabric made of a thermoplastic resin having a crimp and having a bulk density of 0.100 g / cm.
Hook-and-loop fastener female material of 3 or less.
【請求項3】 成形方向における熱圧着部間の直線距離
が6mm以内であり、かつ成形方向に垂直な方向におけ
る熱圧着部間の直線距離が6mm以内であるように部分
熱圧着されたスパンボンド不織布を用いたことを特徴と
する請求項1又は2に記載の面ファスナー雌材。
3. A spun bond partially thermocompression-bonded so that a linear distance between thermocompression bonding portions in a molding direction is within 6 mm and a linear distance between thermocompression bonding portions in a direction perpendicular to the molding direction is within 6 mm. The female fastener material according to claim 1 or 2, wherein a nonwoven fabric is used.
【請求項4】 熱圧着部がマトリックスをなし、非熱圧
着部がドメインをなしており、かつ該非熱圧着部の各々
のドメインの面積が10〜400mm2 となるように部
分熱圧着されたスパンボンド不織布を用いたことを特徴
とする請求項1又は2に記載の面ファスナー雌材。
4. A span which is partially thermocompression-bonded so that the thermocompression bonding portion forms a matrix, the non-thermocompression bonding portion forms a domain, and each domain of the non-thermocompression bonding portion has an area of 10 to 400 mm 2. The female fastener material according to claim 1 or 2, wherein a bonded nonwoven fabric is used.
JP10114547A 1997-07-15 1998-04-24 Face-fastener female member Withdrawn JPH1175912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10114547A JPH1175912A (en) 1997-07-15 1998-04-24 Face-fastener female member

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9-188833 1997-07-15
JP18883397 1997-07-15
JP10114547A JPH1175912A (en) 1997-07-15 1998-04-24 Face-fastener female member

Publications (1)

Publication Number Publication Date
JPH1175912A true JPH1175912A (en) 1999-03-23

Family

ID=26453293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10114547A Withdrawn JPH1175912A (en) 1997-07-15 1998-04-24 Face-fastener female member

Country Status (1)

Country Link
JP (1) JPH1175912A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020091377A (en) * 2001-05-30 2002-12-06 주식회사 라크인더스트리 The Loop burst fiber manufactring prosess of a diapers waist band.
KR20030016920A (en) * 2001-08-23 2003-03-03 주식회사 라크인더스트리 The loop nonwoven fabric for waistbands fastening tabs and a manufacturing process have a high peel strength
JP2006265782A (en) * 2005-03-24 2006-10-05 Asahi Kasei Fibers Corp Engaging filament nonwoven fabric
US8123734B2 (en) 2001-08-22 2012-02-28 Sca Hygiene Products Ab Absorbent article
JP2012125594A (en) * 2007-04-17 2012-07-05 Aplix Inc Loop material for loop and hook type fastener used in disposable article or garment
JP2014512213A (en) * 2011-04-01 2014-05-22 エルカーヴェー・ソシエタス・ヨーロピア Spunlace nonwoven as a hook and loop fastener element
CN109825948A (en) * 2019-01-17 2019-05-31 福建金坛实业有限公司 A kind of on-deformable dry and comfortable non-woven fabrics
JP2021011656A (en) * 2019-07-05 2021-02-04 大紀商事株式会社 Polylactic acid based spun-bonded nonwoven fabric and production method thereof and embossing roll used for production method thereof

Cited By (8)

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KR20020091377A (en) * 2001-05-30 2002-12-06 주식회사 라크인더스트리 The Loop burst fiber manufactring prosess of a diapers waist band.
US8123734B2 (en) 2001-08-22 2012-02-28 Sca Hygiene Products Ab Absorbent article
KR20030016920A (en) * 2001-08-23 2003-03-03 주식회사 라크인더스트리 The loop nonwoven fabric for waistbands fastening tabs and a manufacturing process have a high peel strength
JP2006265782A (en) * 2005-03-24 2006-10-05 Asahi Kasei Fibers Corp Engaging filament nonwoven fabric
JP2012125594A (en) * 2007-04-17 2012-07-05 Aplix Inc Loop material for loop and hook type fastener used in disposable article or garment
JP2014512213A (en) * 2011-04-01 2014-05-22 エルカーヴェー・ソシエタス・ヨーロピア Spunlace nonwoven as a hook and loop fastener element
CN109825948A (en) * 2019-01-17 2019-05-31 福建金坛实业有限公司 A kind of on-deformable dry and comfortable non-woven fabrics
JP2021011656A (en) * 2019-07-05 2021-02-04 大紀商事株式会社 Polylactic acid based spun-bonded nonwoven fabric and production method thereof and embossing roll used for production method thereof

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