JP2018138188A - 弾性ラミネートおよび強化不織布 - Google Patents
弾性ラミネートおよび強化不織布 Download PDFInfo
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- JP2018138188A JP2018138188A JP2018081258A JP2018081258A JP2018138188A JP 2018138188 A JP2018138188 A JP 2018138188A JP 2018081258 A JP2018081258 A JP 2018081258A JP 2018081258 A JP2018081258 A JP 2018081258A JP 2018138188 A JP2018138188 A JP 2018138188A
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- film
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- elastic
- hook
- laminate
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Abstract
【解決手段】特におむつ用の、自己把持フックおよびループ式クロージャから成るフック部であって、フックが突出するシートを含むフック要素と、フック要素に固定されたラミネート要素とを備え、ラミネートが、2つの左右各側方縁部の間の横方向に延在し、不織布の少なくとも1つの層(2、3)に粘着物の層によって固定された層、特に2層の不織布の間に、粘着物の1つのそれぞれの層で不織布の各層に固定することによって挿入した層を含み、この層は、一体層または一体化層であり、特にエラストマー材料でできたフィルムの形態の弾性区域(6)を含む。
【選択図】図1
Description
一体層または一体化層は、フィルムの形態の弾性区域から前記側方縁部の一方に向かって延在するフィルムの形態の少なくとも1つの末端強化区域を含み、
前記側方縁部の一方とフィルムの形態の強化区域との間に弾性区域が配置されず、
フィルムの形態の少なくとも1つの強化区域は、フィルムの形態の前記1つの弾性区域よりも伸長性が小さく、特に弾性が小さく、好ましくは非弾性であり、例えば熱可塑性材料でできている、ことを特徴とする。
サンプルは、温度23℃±2℃および相対湿度50%±5%の、ASTDM5170規格で規定されているように、通常大気中でコンディショニングする。
装置として、EN10002規格に適合した動力計で、特に、MTS Systems Corp.USAから入手可能なSynergie 200H、1カラム、をTESTWORKS 4.04B利用ソフトウェアと共に使用する。
サンプルは、弾性を測定したい製品を長方形のサンプル(例えば、MD方向(図1の平面に垂直な縦方向)に45mmの幅と、CD方向(横方向、図1に対し水平方向)に60mmの長さを有する)の形にカッターを用いて切り出すことによって準備する。
サンプルは、図4に概略的に示すように、顎の間に、弾性を試験したい区域の両側面に接して、かつ各側面に接して配置する。
諸パラメータは、以下のように選ぶ。
顎の間の距離:20mm
機械速度:254mm/分
サイクル数:2
製品の伸長:一定速度で100%
製品は、0.05N程度の初期負荷を印加後、顎の垂直移動によって100%引き伸ばし、次に、その位置に30秒間保持し(第1サイクル)、次に初期位置に復帰させ、そこで60秒間そのままにしておき、次に、再度100%引き伸ばし、30秒間保持して(第2サイクル)初期位置に戻す。こうして、単位Nの引張り力が単位%の伸長の関数である曲線が得られ、前記曲線は、SET(n=2)によって、すなわち第2サイクルの開始時に図5のX軸(単位%の伸長)と交差する曲線の点によって、このように特徴付けることができるヒステリシスを呈示する。
装置として、EN10002規格に適合した動力計で、例えば前記の弾性試験用と同じ、すなわちMTS Systems Corp.USAから入手可能なSynergie 200H、1カラム、をTESTWORKS 4.04B利用ソフトウェアと共に使用する。例えば幅が45mm、長さが60mmである長方形のサンプルを準備する。 サンプルは、図4に概略的に示すように、顎の間に、伸長を試験したい区域の両側面に接して、かつ各側面に接して配置する。
諸パラメータは、以下のように選ぶ。
顎の間の距離:20mm
機械速度:254mm/分
製品の伸長:一定速度で断裂まで
Claims (11)
- 特におむつ用の、自己把持フックおよびループ式クロージャから成るフック部であって、フックが突出するシートを含むフック要素と、前記フック要素に固定されたラミネート要素とを備え、前記ラミネートが、2つの左右各側方縁部の間の横方向に延在し、不織布の少なくとも1つの層(2、3)に粘着物の層によって固定された層、特に2層の不織布の間に、粘着物の1つのそれぞれの層で不織布の各層に固定することによって挿入した層を含み、前記層が、一体層または一体化層であり、特にエラストマー材料でできたフィルムの形態の弾性区域(6、16)を含み、
前記一体層または一体化層が、フィルムの形態の前記弾性区域から前記側方縁部の一方に向かって延在するフィルムの形態の少なくとも1つの末端強化区域(5、15)を含み、 前記側方縁部の一方とフィルムの形態の前記強化区域との間に弾性区域が配置されず、 フィルムの形態の前記少なくとも1つの強化区域(5、15)が、フィルムの形態の前記弾性区域よりも伸長性が小さく、特に弾性が小さく、好ましくは非弾性であり、例えば熱可塑性材料でできていることを特徴とする、フック部。 - 前記一体層または一体化層が、フィルムの形態の前記1つの弾性区域の両側にフィルムの形態の2つの末端強化区域(5、9、15、19)を含むことを特徴とする、請求項1に記載のフック部。
- 前記層が、不織布の2つの層またはシートの間に挿入され、粘着物の1つのそれぞれの層によって、不織布の各層または各シートにそれぞれ固定されることを特徴とする、請求項1または2に記載のフック部。
- 前記一体化層が、フィルムの形態の前記弾性区域からある距離のところにフィルムの形態の第2の弾性区域(8)を含み、前記2つの末端強化区域の外側にフィルムの形態の中央区域(7)が、フィルムの形態の前記1つの弾性区域とフィルムの形態の前記第2の弾性区域との間で延在することを特徴とする、請求項1、2または3に記載のフック部。
- 前記(1つまたは複数の)弾性フィルムおよび前記(1つまたは複数の)強化区域の厚さが、それらのそれぞれの接合部の領域で、前記層の上面および/または下面に粗い縁部または不連続部を実質的に伴わないような厚さであることを特徴とする、請求項1から4の一項に記載のフック部。
- 前記接合部の領域で前記2つのフィルムそれぞれが、前記接合部の付近よりも薄く、前記接合部の領域の前記2つのフィルムの合計厚さが、前記接合部の付近の前記フィルムの一方または他方の厚さとほぼ等しいことを特徴とする、請求項5に記載のフック部。
- 2つの弾性区域と強化区域の間の接合部が、斜面の形の境界面に沿った接合部の領域に形成されることを特徴とする、請求項6に記載のフック部。
- 前記フック要素が、前記ラミネートの外面で、(1つまたは複数の)フィルムの形態の前記末端強化区域のうちの1つの領域に位置する区域に固定されることを特徴とする、前記請求項の一項に記載のフック部。
- 不織布の前記層の1つまたは少なくとも1つが、5から15g/m2の範囲の坪量を有することを特徴とする、請求項1から8の一項に記載のフック部。
- 強化フィルムの形態の区域(5、7、9、15、19)、および(1つまたは複数の)弾性フィルムの形態の(1つまたは複数の)区域(6、8、16)を共押出し成形によって、共押出し成形装置内でフィルムの形態の上記区域を形成する各材料が、それらのそれぞれの側方縁部(12、13、14、17)に沿って軟化材料状態で接触するように成形し、圧力をかけることによって、(1つまたは複数の)フィルムの形態の(1つまたは複数の)強化区域と、(1つまたは複数の)フィルムの形態の(1つまたは複数の)弾性区域とが、一体層または一体化層を前記共押出し成形装置の出口で形成させ、冷却してこのアセンブリを維持するようにしたことを特徴とする、請求項1から9の一項に記載のフック部を得る方法。
- 特におむつのウエストバンドの領域で、前記おむつを閉止するために互いに協働するように前記おむつにそれぞれが固定または取り付けられる、請求項1から9の一項に記載のループ部およびフック部を有する自己把持クロージャを備えるおむつ。
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US20210031428A1 (en) * | 2018-02-06 | 2021-02-04 | Zuiko Corporation | Stretchable sheet, disposable article using stretchable sheet, and method for manufacturing same |
FR3079166B1 (fr) * | 2018-03-21 | 2023-10-20 | Aplix Sa | Ensemble lamine, couche culotte comprenant un tel ensemble et procede de fabrication d'un tel ensemble |
DE102019104225A1 (de) * | 2019-02-20 | 2020-08-20 | Rkw Se | Dehnbares Windelelement |
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FR3098144B1 (fr) | 2019-07-04 | 2022-01-07 | Aplix Sa | Stratifié élastique à crochets |
BR112023018462A2 (pt) * | 2021-03-12 | 2023-10-10 | Aplix Sa | Laminado extensível para dispositivo incontinente |
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- 2010-03-05 EP EP20170217.2A patent/EP3718764A1/fr active Pending
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TW201039804A (en) | 2010-11-16 |
JP2012521239A (ja) | 2012-09-13 |
US20120022490A1 (en) | 2012-01-26 |
JP6329571B2 (ja) | 2018-05-23 |
MX2011009889A (es) | 2011-09-30 |
EP2411212B1 (fr) | 2020-06-24 |
CN102361747B (zh) | 2015-04-22 |
CA2750401A1 (fr) | 2010-09-30 |
EP2411212A1 (fr) | 2012-02-01 |
TWI520718B (zh) | 2016-02-11 |
FR2943356B1 (fr) | 2011-07-08 |
EP3718764A1 (fr) | 2020-10-07 |
KR20170056031A (ko) | 2017-05-22 |
KR20110139231A (ko) | 2011-12-28 |
JP2016073827A (ja) | 2016-05-12 |
BRPI1013519A2 (pt) | 2016-04-05 |
FR2943356A1 (fr) | 2010-09-24 |
US8998874B2 (en) | 2015-04-07 |
WO2010109087A1 (fr) | 2010-09-30 |
KR101871130B1 (ko) | 2018-06-25 |
CA2750401C (fr) | 2017-07-04 |
BRPI1013519B1 (pt) | 2020-02-04 |
JP6317063B2 (ja) | 2018-04-25 |
CN102361747A (zh) | 2012-02-22 |
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